numam-spdk/app/spdk_top/spdk_top.c
Krzysztof Karas 38ea8d54f3 spdk_top: fix memory leaks upon exiting application
Fixes momory leak in spdk_top upon exiting due to not freeing
json response.

Fixes #2129

Change-Id: Ia0fee94e2c12dceda921cc540f6e3466ef4f6905
Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9313
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
2021-09-24 07:39:09 +00:00

2836 lines
80 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/stdinc.h"
#include "spdk/jsonrpc.h"
#include "spdk/rpc.h"
#include "spdk/event.h"
#include "spdk/util.h"
#include "spdk/env.h"
#if defined __has_include
#if __has_include(<ncurses/panel.h>)
#include <ncurses/ncurses.h>
#include <ncurses/panel.h>
#include <ncurses/menu.h>
#else
#include <ncurses.h>
#include <panel.h>
#include <menu.h>
#endif
#else
#include <ncurses.h>
#include <panel.h>
#include <menu.h>
#endif
#define RPC_MAX_THREADS 1024
#define RPC_MAX_POLLERS 1024
#define RPC_MAX_CORES 255
#define MAX_THREAD_NAME 128
#define MAX_POLLER_NAME 128
#define MAX_THREADS 4096
#define RR_MAX_VALUE 255
#define MAX_STRING_LEN 12289 /* 3x 4k monitors + 1 */
#define TAB_WIN_HEIGHT 3
#define TAB_WIN_LOCATION_ROW 1
#define TABS_SPACING 2
#define TABS_LOCATION_ROW 4
#define TABS_LOCATION_COL 0
#define TABS_DATA_START_ROW 3
#define TABS_DATA_START_COL 2
#define TABS_COL_COUNT 10
#define MENU_WIN_HEIGHT 3
#define MENU_WIN_SPACING 4
#define MENU_WIN_LOCATION_COL 0
#define RR_WIN_WIDTH 32
#define RR_WIN_HEIGHT 5
#define MAX_THREAD_NAME_LEN 26
#define MAX_THREAD_COUNT_STR_LEN 14
#define MAX_POLLER_NAME_LEN 36
#define MAX_POLLER_COUNT_STR_LEN 16
#define MAX_POLLER_TYPE_STR_LEN 8
#define MAX_POLLER_IND_STR_LEN 28
#define MAX_CORE_MASK_STR_LEN 16
#define MAX_CORE_STR_LEN 6
#define MAX_CORE_FREQ_STR_LEN 18
#define MAX_TIME_STR_LEN 12
#define MAX_POLLER_RUN_COUNT 20
#define MAX_PERIOD_STR_LEN 12
#define MAX_INTR_LEN 6
#define WINDOW_HEADER 12
#define FROM_HEX 16
#define THREAD_WIN_WIDTH 69
#define THREAD_WIN_HEIGHT 9
#define THREAD_WIN_FIRST_COL 2
#define CORE_WIN_FIRST_COL 16
#define CORE_WIN_WIDTH 48
#define CORE_WIN_HEIGHT 11
#define POLLER_WIN_HEIGHT 8
#define POLLER_WIN_WIDTH 64
#define POLLER_WIN_FIRST_COL 14
#define FIRST_DATA_ROW 7
#define HELP_WIN_WIDTH 88
#define HELP_WIN_HEIGHT 22
enum tabs {
THREADS_TAB,
POLLERS_TAB,
CORES_TAB,
NUMBER_OF_TABS,
};
enum spdk_poller_type {
SPDK_ACTIVE_POLLER,
SPDK_TIMED_POLLER,
SPDK_PAUSED_POLLER,
SPDK_POLLER_TYPES_COUNT,
};
struct col_desc {
const char *name;
uint8_t name_len;
uint8_t max_data_string;
bool disabled;
};
struct run_counter_history {
char *poller_name;
uint64_t thread_id;
uint64_t last_run_counter;
uint64_t last_busy_counter;
TAILQ_ENTRY(run_counter_history) link;
};
uint8_t g_sleep_time = 1;
uint16_t g_selected_row;
uint16_t g_max_selected_row;
uint64_t g_tick_rate;
const char *poller_type_str[SPDK_POLLER_TYPES_COUNT] = {"Active", "Timed", "Paused"};
const char *g_tab_title[NUMBER_OF_TABS] = {"[1] THREADS", "[2] POLLERS", "[3] CORES"};
struct spdk_jsonrpc_client *g_rpc_client;
static TAILQ_HEAD(, run_counter_history) g_run_counter_history = TAILQ_HEAD_INITIALIZER(
g_run_counter_history);
WINDOW *g_menu_win, *g_tab_win[NUMBER_OF_TABS], *g_tabs[NUMBER_OF_TABS];
PANEL *g_panels[NUMBER_OF_TABS];
uint16_t g_max_row, g_max_col;
uint16_t g_data_win_size, g_max_data_rows;
uint32_t g_last_threads_count, g_last_pollers_count, g_last_cores_count;
uint8_t g_current_sort_col[NUMBER_OF_TABS] = {0, 0, 0};
bool g_interval_data = true;
bool g_quit_app = false;
pthread_mutex_t g_thread_lock;
static struct col_desc g_col_desc[NUMBER_OF_TABS][TABS_COL_COUNT] = {
{ {.name = "Thread name", .max_data_string = MAX_THREAD_NAME_LEN},
{.name = "Core", .max_data_string = MAX_CORE_STR_LEN},
{.name = "Active pollers", .max_data_string = MAX_POLLER_COUNT_STR_LEN},
{.name = "Timed pollers", .max_data_string = MAX_POLLER_COUNT_STR_LEN},
{.name = "Paused pollers", .max_data_string = MAX_POLLER_COUNT_STR_LEN},
{.name = "Idle [us]", .max_data_string = MAX_TIME_STR_LEN},
{.name = "Busy [us]", .max_data_string = MAX_TIME_STR_LEN},
{.name = (char *)NULL}
},
{ {.name = "Poller name", .max_data_string = MAX_POLLER_NAME_LEN},
{.name = "Type", .max_data_string = MAX_POLLER_TYPE_STR_LEN},
{.name = "On thread", .max_data_string = MAX_THREAD_NAME_LEN},
{.name = "Run count", .max_data_string = MAX_POLLER_RUN_COUNT},
{.name = "Period [us]", .max_data_string = MAX_PERIOD_STR_LEN},
{.name = "Status (busy count)", .max_data_string = MAX_POLLER_IND_STR_LEN},
{.name = (char *)NULL}
},
{ {.name = "Core", .max_data_string = MAX_CORE_STR_LEN},
{.name = "Thread count", .max_data_string = MAX_THREAD_COUNT_STR_LEN},
{.name = "Poller count", .max_data_string = MAX_POLLER_COUNT_STR_LEN},
{.name = "Idle [us]", .max_data_string = MAX_TIME_STR_LEN},
{.name = "Busy [us]", .max_data_string = MAX_TIME_STR_LEN},
{.name = "Frequency [MHz]", .max_data_string = MAX_CORE_FREQ_STR_LEN},
{.name = "Intr", .max_data_string = MAX_INTR_LEN},
{.name = (char *)NULL}
}
};
struct rpc_thread_info {
char *name;
uint64_t id;
int core_num;
char *cpumask;
uint64_t busy;
uint64_t last_busy;
uint64_t idle;
uint64_t last_idle;
uint64_t active_pollers_count;
uint64_t timed_pollers_count;
uint64_t paused_pollers_count;
};
struct rpc_poller_info {
char *name;
char *state;
uint64_t run_count;
uint64_t busy_count;
uint64_t period_ticks;
enum spdk_poller_type type;
char thread_name[MAX_THREAD_NAME];
uint64_t thread_id;
};
struct rpc_core_thread_info {
char *name;
uint64_t id;
char *cpumask;
uint64_t elapsed;
};
struct rpc_core_threads {
uint64_t threads_count;
struct rpc_core_thread_info *thread;
};
struct rpc_core_info {
uint32_t lcore;
uint64_t pollers_count;
uint64_t busy;
uint64_t idle;
uint32_t core_freq;
uint64_t last_idle;
uint64_t last_busy;
bool in_interrupt;
struct rpc_core_threads threads;
};
struct rpc_thread_info g_threads_info[RPC_MAX_THREADS];
struct rpc_poller_info g_pollers_info[RPC_MAX_POLLERS];
struct rpc_core_info g_cores_info[RPC_MAX_CORES];
static void
init_str_len(void)
{
int i, j;
for (i = 0; i < NUMBER_OF_TABS; i++) {
for (j = 0; g_col_desc[i][j].name != NULL; j++) {
g_col_desc[i][j].name_len = strlen(g_col_desc[i][j].name);
}
}
}
static void
free_rpc_threads_stats(struct rpc_thread_info *req)
{
free(req->name);
req->name = NULL;
free(req->cpumask);
req->cpumask = NULL;
}
static const struct spdk_json_object_decoder rpc_thread_info_decoders[] = {
{"name", offsetof(struct rpc_thread_info, name), spdk_json_decode_string},
{"id", offsetof(struct rpc_thread_info, id), spdk_json_decode_uint64},
{"cpumask", offsetof(struct rpc_thread_info, cpumask), spdk_json_decode_string},
{"busy", offsetof(struct rpc_thread_info, busy), spdk_json_decode_uint64},
{"idle", offsetof(struct rpc_thread_info, idle), spdk_json_decode_uint64},
{"active_pollers_count", offsetof(struct rpc_thread_info, active_pollers_count), spdk_json_decode_uint64},
{"timed_pollers_count", offsetof(struct rpc_thread_info, timed_pollers_count), spdk_json_decode_uint64},
{"paused_pollers_count", offsetof(struct rpc_thread_info, paused_pollers_count), spdk_json_decode_uint64},
};
static int
rpc_decode_threads_array(struct spdk_json_val *val, struct rpc_thread_info *out,
uint64_t *current_threads_count)
{
struct spdk_json_val *thread = val;
uint64_t i = 0;
int rc;
/* Fetch the beginning of threads array */
rc = spdk_json_find_array(thread, "threads", NULL, &thread);
if (rc) {
printf("Could not fetch threads array from JSON.\n");
goto end;
}
for (thread = spdk_json_array_first(thread); thread != NULL; thread = spdk_json_next(thread)) {
rc = spdk_json_decode_object(thread, rpc_thread_info_decoders,
SPDK_COUNTOF(rpc_thread_info_decoders), &out[i]);
if (rc) {
printf("Could not decode thread object from JSON.\n");
break;
}
i++;
}
end:
*current_threads_count = i;
return rc;
}
static void
free_rpc_poller(struct rpc_poller_info *poller)
{
free(poller->name);
poller->name = NULL;
free(poller->state);
poller->state = NULL;
}
static void
free_rpc_core_info(struct rpc_core_info *core_info, size_t size)
{
struct rpc_core_threads *threads;
struct rpc_core_thread_info *thread;
uint64_t i, core_number;
for (core_number = 0; core_number < size; core_number++) {
threads = &core_info[core_number].threads;
for (i = 0; i < threads->threads_count; i++) {
thread = &threads->thread[i];
free(thread->name);
free(thread->cpumask);
}
free(threads->thread);
}
}
static const struct spdk_json_object_decoder rpc_pollers_decoders[] = {
{"name", offsetof(struct rpc_poller_info, name), spdk_json_decode_string},
{"state", offsetof(struct rpc_poller_info, state), spdk_json_decode_string},
{"run_count", offsetof(struct rpc_poller_info, run_count), spdk_json_decode_uint64},
{"busy_count", offsetof(struct rpc_poller_info, busy_count), spdk_json_decode_uint64},
{"period_ticks", offsetof(struct rpc_poller_info, period_ticks), spdk_json_decode_uint64, true},
};
static int
rpc_decode_pollers_array(struct spdk_json_val *poller, struct rpc_poller_info *out,
uint64_t *poller_count,
const char *thread_name, uint64_t thread_name_length, uint64_t thread_id,
enum spdk_poller_type poller_type)
{
int rc;
for (poller = spdk_json_array_first(poller); poller != NULL; poller = spdk_json_next(poller)) {
out[*poller_count].thread_id = thread_id;
memcpy(out[*poller_count].thread_name, thread_name, sizeof(char) * thread_name_length);
out[*poller_count].type = poller_type;
rc = spdk_json_decode_object(poller, rpc_pollers_decoders,
SPDK_COUNTOF(rpc_pollers_decoders), &out[*poller_count]);
if (rc) {
printf("Could not decode poller object from JSON.\n");
return rc;
}
(*poller_count)++;
if (*poller_count == RPC_MAX_POLLERS) {
return -1;
}
}
return 0;
}
static const struct spdk_json_object_decoder rpc_thread_pollers_decoders[] = {
{"name", offsetof(struct rpc_thread_info, name), spdk_json_decode_string},
{"id", offsetof(struct rpc_thread_info, id), spdk_json_decode_uint64},
};
static int
rpc_decode_pollers_threads_array(struct spdk_json_val *val, struct rpc_poller_info *out,
uint32_t *num_pollers)
{
struct spdk_json_val *thread = val, *poller;
/* This is a temporary poller structure to hold thread name and id.
* It is filled with data only once per thread change and then
* that memory is copied to each poller running on that thread. */
struct rpc_thread_info thread_info = {};
uint64_t poller_count = 0, i, thread_name_length;
int rc;
const char *poller_typenames[] = { "active_pollers", "timed_pollers", "paused_pollers" };
enum spdk_poller_type poller_types[] = { SPDK_ACTIVE_POLLER, SPDK_TIMED_POLLER, SPDK_PAUSED_POLLER };
/* Fetch the beginning of threads array */
rc = spdk_json_find_array(thread, "threads", NULL, &thread);
if (rc) {
printf("Could not fetch threads array from JSON.\n");
goto end;
}
for (thread = spdk_json_array_first(thread); thread != NULL; thread = spdk_json_next(thread)) {
rc = spdk_json_decode_object_relaxed(thread, rpc_thread_pollers_decoders,
SPDK_COUNTOF(rpc_thread_pollers_decoders), &thread_info);
if (rc) {
printf("Could not decode thread info from JSON.\n");
goto end;
}
thread_name_length = strlen(thread_info.name);
for (i = 0; i < SPDK_COUNTOF(poller_types); i++) {
/* Find poller array */
rc = spdk_json_find(thread, poller_typenames[i], NULL, &poller,
SPDK_JSON_VAL_ARRAY_BEGIN);
if (rc) {
printf("Could not fetch pollers array from JSON.\n");
goto end;
}
rc = rpc_decode_pollers_array(poller, out, &poller_count, thread_info.name,
thread_name_length,
thread_info.id, poller_types[i]);
if (rc) {
printf("Could not decode the first object in pollers array.\n");
goto end;
}
}
}
*num_pollers = poller_count;
end:
/* Since we rely in spdk_json_object_decode() to free this value
* each time we rewrite it, we need to free the last allocation
* manually. */
free(thread_info.name);
if (rc) {
*num_pollers = 0;
for (i = 0; i < poller_count; i++) {
free_rpc_poller(&out[i]);
}
}
return rc;
}
static const struct spdk_json_object_decoder rpc_core_thread_info_decoders[] = {
{"name", offsetof(struct rpc_core_thread_info, name), spdk_json_decode_string},
{"id", offsetof(struct rpc_core_thread_info, id), spdk_json_decode_uint64},
{"cpumask", offsetof(struct rpc_core_thread_info, cpumask), spdk_json_decode_string},
{"elapsed", offsetof(struct rpc_core_thread_info, elapsed), spdk_json_decode_uint64},
};
static int
rpc_decode_core_threads_object(const struct spdk_json_val *val, void *out)
{
struct rpc_core_thread_info *info = out;
return spdk_json_decode_object(val, rpc_core_thread_info_decoders,
SPDK_COUNTOF(rpc_core_thread_info_decoders), info);
}
#define RPC_THREAD_ENTRY_SIZE (SPDK_COUNTOF(rpc_core_thread_info_decoders) * 2)
static int
rpc_decode_cores_lw_threads(const struct spdk_json_val *val, void *out)
{
struct rpc_core_threads *threads = out;
/* The number of thread entries received from RPC can be calculated using
* above define value (each JSON line = key + value, hence '* 2' ) and JSON
* 'val' value (-2 is to subtract VAL_OBJECT_BEGIN/END). */
size_t threads_count = (spdk_json_val_len(val) - 2) / RPC_THREAD_ENTRY_SIZE;
threads->thread = calloc(threads_count, sizeof(struct rpc_core_thread_info));
if (!out) {
fprintf(stderr, "Unable to allocate memory for a thread array.\n");
return -1;
}
return spdk_json_decode_array(val, rpc_decode_core_threads_object, threads->thread, threads_count,
&threads->threads_count, sizeof(struct rpc_core_thread_info));
}
static const struct spdk_json_object_decoder rpc_core_info_decoders[] = {
{"lcore", offsetof(struct rpc_core_info, lcore), spdk_json_decode_uint32},
{"busy", offsetof(struct rpc_core_info, busy), spdk_json_decode_uint64},
{"idle", offsetof(struct rpc_core_info, idle), spdk_json_decode_uint64},
{"core_freq", offsetof(struct rpc_core_info, core_freq), spdk_json_decode_uint32, true},
{"in_interrupt", offsetof(struct rpc_core_info, in_interrupt), spdk_json_decode_bool},
{"lw_threads", offsetof(struct rpc_core_info, threads), rpc_decode_cores_lw_threads},
};
static int
rpc_decode_core_object(const struct spdk_json_val *val, void *out)
{
struct rpc_core_info *info = out;
return spdk_json_decode_object(val, rpc_core_info_decoders,
SPDK_COUNTOF(rpc_core_info_decoders), info);
}
static int
rpc_decode_cores_array(struct spdk_json_val *val, struct rpc_core_info *out,
uint32_t *current_cores_count)
{
struct spdk_json_val *core = val;
size_t cores_count;
int rc;
/* Fetch the beginning of reactors array. */
rc = spdk_json_find_array(core, "reactors", NULL, &core);
if (rc) {
printf("Could not fetch cores array from JSON.");
goto end;
}
rc = spdk_json_decode_array(core, rpc_decode_core_object, out, RPC_MAX_CORES, &cores_count,
sizeof(struct rpc_core_info));
*current_cores_count = (uint32_t)cores_count;
end:
return rc;
}
static int
rpc_send_req(char *rpc_name, struct spdk_jsonrpc_client_response **resp)
{
struct spdk_jsonrpc_client_response *json_resp = NULL;
struct spdk_json_write_ctx *w;
struct spdk_jsonrpc_client_request *request;
int rc;
request = spdk_jsonrpc_client_create_request();
if (request == NULL) {
return -ENOMEM;
}
w = spdk_jsonrpc_begin_request(request, 1, rpc_name);
spdk_jsonrpc_end_request(request, w);
spdk_jsonrpc_client_send_request(g_rpc_client, request);
do {
rc = spdk_jsonrpc_client_poll(g_rpc_client, 1);
} while (rc == 0 || rc == -ENOTCONN);
if (rc <= 0) {
return -1;
}
json_resp = spdk_jsonrpc_client_get_response(g_rpc_client);
if (json_resp == NULL) {
return -1;
}
/* Check for error response */
if (json_resp->error != NULL) {
spdk_jsonrpc_client_free_response(json_resp);
return -1;
}
assert(json_resp->result);
*resp = json_resp;
return 0;
}
static int
sort_threads(const void *p1, const void *p2)
{
const struct rpc_thread_info thread_info1 = *(struct rpc_thread_info *)p1;
const struct rpc_thread_info thread_info2 = *(struct rpc_thread_info *)p2;
uint64_t count1, count2;
switch (g_current_sort_col[THREADS_TAB]) {
case 0: /* Sort by name */
return strcmp(thread_info1.name, thread_info2.name);
case 1: /* Sort by core */
count2 = thread_info1.core_num;
count1 = thread_info2.core_num;
break;
case 2: /* Sort by active pollers number */
count1 = thread_info1.active_pollers_count;
count2 = thread_info2.active_pollers_count;
break;
case 3: /* Sort by timed pollers number */
count1 = thread_info1.timed_pollers_count;
count2 = thread_info2.timed_pollers_count;
break;
case 4: /* Sort by paused pollers number */
count1 = thread_info1.paused_pollers_count;
count2 = thread_info2.paused_pollers_count;
break;
case 5: /* Sort by idle time */
if (g_interval_data) {
count1 = thread_info1.idle - thread_info1.last_idle;
count2 = thread_info2.idle - thread_info2.last_idle;
} else {
count1 = thread_info1.idle;
count2 = thread_info2.idle;
}
break;
case 6: /* Sort by busy time */
if (g_interval_data) {
count1 = thread_info1.busy - thread_info1.last_busy;
count2 = thread_info2.busy - thread_info2.last_busy;
} else {
count1 = thread_info1.busy;
count2 = thread_info2.busy;
}
break;
default:
return 0;
}
if (count2 > count1) {
return 1;
} else if (count2 < count1) {
return -1;
} else {
return 0;
}
}
static void
store_last_counters(const char *poller_name, uint64_t thread_id, uint64_t last_run_counter,
uint64_t last_busy_counter)
{
struct run_counter_history *history;
TAILQ_FOREACH(history, &g_run_counter_history, link) {
if (!strcmp(history->poller_name, poller_name) && history->thread_id == thread_id) {
history->last_run_counter = last_run_counter;
history->last_busy_counter = last_busy_counter;
return;
}
}
history = calloc(1, sizeof(*history));
if (history == NULL) {
fprintf(stderr, "Unable to allocate a history object in store_last_counters.\n");
return;
}
history->poller_name = strdup(poller_name);
if (!history->poller_name) {
fprintf(stderr, "Unable to allocate poller_name of a history object in store_last_counters.\n");
free(history);
return;
}
history->thread_id = thread_id;
history->last_run_counter = last_run_counter;
history->last_busy_counter = last_busy_counter;
TAILQ_INSERT_TAIL(&g_run_counter_history, history, link);
}
static int
get_thread_data(void)
{
struct spdk_jsonrpc_client_response *json_resp = NULL;
struct rpc_thread_info thread_info[RPC_MAX_THREADS], *thread;
struct rpc_core_info *core_info;
uint64_t i, j, k, current_threads_count = 0;
int rc = 0;
rc = rpc_send_req("thread_get_stats", &json_resp);
if (rc) {
return rc;
}
/* Decode json */
memset(thread_info, 0, sizeof(struct rpc_thread_info) * RPC_MAX_THREADS);
if (rpc_decode_threads_array(json_resp->result, thread_info, &current_threads_count)) {
rc = -EINVAL;
for (i = 0; i < current_threads_count; i++) {
free_rpc_threads_stats(&thread_info[i]);
}
goto end;
}
pthread_mutex_lock(&g_thread_lock);
/* This is to free allocated char arrays with old thread names */
for (i = 0; i < g_last_threads_count; i++) {
free_rpc_threads_stats(&g_threads_info[i]);
}
for (i = 0; i < current_threads_count; i++) {
for (j = 0; j < g_last_threads_count; j++) {
if (thread_info[i].id == g_threads_info[j].id) {
thread_info[i].last_busy = g_threads_info[j].busy;
thread_info[i].last_idle = g_threads_info[j].idle;
}
}
}
g_last_threads_count = current_threads_count;
memcpy(g_threads_info, thread_info, sizeof(struct rpc_thread_info) * RPC_MAX_THREADS);
for (i = 0; i < g_last_threads_count; i++) {
g_threads_info[i].core_num = -1;
}
for (i = 0; i < g_last_cores_count; i++) {
core_info = &g_cores_info[i];
for (j = 0; j < core_info->threads.threads_count; j++) {
for (k = 0; k < g_last_threads_count; k++) {
/* For each thread on current core: check if it's ID also exists
* in g_thread_info data structure. If it does then assign current
* core's number to that thread, otherwise application state is inconsistent
* (e.g. scheduler is moving threads between cores). */
thread = &g_threads_info[k];
if (thread->id == core_info->threads.thread[j].id) {
thread->core_num = core_info->lcore;
break;
}
}
}
}
qsort(g_threads_info, g_last_threads_count, sizeof(struct rpc_thread_info), sort_threads);
pthread_mutex_unlock(&g_thread_lock);
end:
spdk_jsonrpc_client_free_response(json_resp);
return rc;
}
static uint64_t
get_last_run_counter(const char *poller_name, uint64_t thread_id)
{
struct run_counter_history *history;
TAILQ_FOREACH(history, &g_run_counter_history, link) {
if (!strcmp(history->poller_name, poller_name) && history->thread_id == thread_id) {
return history->last_run_counter;
}
}
return 0;
}
static uint64_t
get_last_busy_counter(const char *poller_name, uint64_t thread_id)
{
struct run_counter_history *history;
TAILQ_FOREACH(history, &g_run_counter_history, link) {
if (!strcmp(history->poller_name, poller_name) && history->thread_id == thread_id) {
return history->last_busy_counter;
}
}
return 0;
}
enum sort_type {
BY_NAME,
USE_GLOBAL,
};
static int
#ifdef __FreeBSD__
sort_pollers(void *arg, const void *p1, const void *p2)
#else
sort_pollers(const void *p1, const void *p2, void *arg)
#endif
{
const struct rpc_poller_info *poller1 = (struct rpc_poller_info *)p1;
const struct rpc_poller_info *poller2 = (struct rpc_poller_info *)p2;
enum sort_type sorting = *(enum sort_type *)arg;
uint64_t count1, count2;
if (sorting == BY_NAME) {
/* Sorting by name requested explicitly */
return strcmp(poller1->name, poller2->name);
} else {
/* Use globaly set sorting */
switch (g_current_sort_col[POLLERS_TAB]) {
case 0: /* Sort by name */
return strcmp(poller1->name, poller2->name);
case 1: /* Sort by type */
return poller1->type - poller2->type;
case 2: /* Sort by thread */
return strcmp(poller1->thread_name, poller2->thread_name);
case 3: /* Sort by run counter */
if (g_interval_data) {
count1 = poller1->run_count - get_last_run_counter(poller1->name, poller1->thread_id);
count2 = poller2->run_count - get_last_run_counter(poller2->name, poller2->thread_id);
} else {
count1 = poller1->run_count;
count2 = poller2->run_count;
}
break;
case 4: /* Sort by period */
count1 = poller1->period_ticks;
count2 = poller2->period_ticks;
break;
default:
return 0;
}
}
if (count2 > count1) {
return 1;
} else if (count2 < count1) {
return -1;
} else {
return 0;
}
}
static int
get_pollers_data(void)
{
struct spdk_jsonrpc_client_response *json_resp = NULL;
int rc = 0;
uint64_t i = 0;
uint32_t current_pollers_count;
struct rpc_poller_info pollers_info[RPC_MAX_POLLERS];
enum sort_type sorting;
rc = rpc_send_req("thread_get_pollers", &json_resp);
if (rc) {
return rc;
}
/* Decode json */
memset(&pollers_info, 0, sizeof(pollers_info));
if (rpc_decode_pollers_threads_array(json_resp->result, pollers_info, &current_pollers_count)) {
rc = -EINVAL;
for (i = 0; i < current_pollers_count; i++) {
free_rpc_poller(&pollers_info[i]);
}
goto end;
}
pthread_mutex_lock(&g_thread_lock);
/* Save last run counter of each poller before updating g_pollers_stats. */
for (i = 0; i < g_last_pollers_count; i++) {
store_last_counters(g_pollers_info[i].name, g_pollers_info[i].thread_id,
g_pollers_info[i].run_count, g_pollers_info[i].busy_count);
}
/* Free old pollers values before allocating memory for new ones */
for (i = 0; i < g_last_pollers_count; i++) {
free_rpc_poller(&g_pollers_info[i]);
}
g_last_pollers_count = current_pollers_count;
sorting = BY_NAME;
qsort_r(&pollers_info, g_last_pollers_count, sizeof(struct rpc_poller_info), sort_pollers,
(void *)&sorting);
sorting = USE_GLOBAL;
qsort_r(&pollers_info, g_last_pollers_count, sizeof(struct rpc_poller_info), sort_pollers,
(void *)&sorting);
memcpy(&g_pollers_info, &pollers_info, sizeof(struct rpc_poller_info) * g_last_pollers_count);
pthread_mutex_unlock(&g_thread_lock);
end:
spdk_jsonrpc_client_free_response(json_resp);
return rc;
}
static int
sort_cores(const void *p1, const void *p2)
{
const struct rpc_core_info core_info1 = *(struct rpc_core_info *)p1;
const struct rpc_core_info core_info2 = *(struct rpc_core_info *)p2;
uint64_t count1, count2;
switch (g_current_sort_col[CORES_TAB]) {
case 0: /* Sort by core */
count1 = core_info2.lcore;
count2 = core_info1.lcore;
break;
case 1: /* Sort by threads number */
count1 = core_info1.threads.threads_count;
count2 = core_info2.threads.threads_count;
break;
case 2: /* Sort by pollers number */
count1 = core_info1.pollers_count;
count2 = core_info2.pollers_count;
break;
case 3: /* Sort by idle time */
if (g_interval_data) {
count1 = core_info1.last_idle - core_info1.idle;
count2 = core_info2.last_idle - core_info2.idle;
} else {
count1 = core_info1.idle;
count2 = core_info2.idle;
}
break;
case 4: /* Sort by busy time */
if (g_interval_data) {
count1 = core_info1.last_busy - core_info1.busy;
count2 = core_info2.last_busy - core_info2.busy;
} else {
count1 = core_info1.busy;
count2 = core_info2.busy;
}
break;
default:
return 0;
}
if (count2 > count1) {
return 1;
} else if (count2 < count1) {
return -1;
} else {
return 0;
}
}
static int
get_cores_data(void)
{
struct spdk_jsonrpc_client_response *json_resp = NULL;
struct rpc_core_info *core_info;
uint64_t i, j, k;
uint32_t current_cores_count;
struct rpc_core_info cores_info[RPC_MAX_CORES];
int rc = 0;
rc = rpc_send_req("framework_get_reactors", &json_resp);
if (rc) {
return rc;
}
/* Decode json */
memset(cores_info, 0, sizeof(struct rpc_core_info) * RPC_MAX_CORES);
if (rpc_decode_cores_array(json_resp->result, cores_info, &current_cores_count)) {
rc = -EINVAL;
goto end;
}
pthread_mutex_lock(&g_thread_lock);
for (i = 0; i < current_cores_count; i++) {
cores_info[i].last_busy = g_cores_info[i].busy;
cores_info[i].last_idle = g_cores_info[i].idle;
}
for (i = 0; i < current_cores_count; i++) {
for (j = 0; j < g_last_cores_count; j++) {
/* Do not consider threads which changed cores when issuing
* RPCs to get_core_data and get_thread_data and threads
* not currently assigned to this core. */
if ((int)cores_info[j].lcore == g_threads_info[i].core_num) {
cores_info[j].pollers_count += g_threads_info[i].active_pollers_count +
g_threads_info[i].timed_pollers_count +
g_threads_info[i].paused_pollers_count;
}
}
}
/* Free old cores values before allocating memory for new ones */
free_rpc_core_info(g_cores_info, current_cores_count);
memcpy(g_cores_info, cores_info, sizeof(struct rpc_core_info) * current_cores_count);
for (i = 0; i < g_last_cores_count; i++) {
core_info = &g_cores_info[i];
core_info->threads.thread = cores_info[i].threads.thread;
for (j = 0; j < core_info->threads.threads_count; j++) {
memcpy(&core_info->threads.thread[j], &cores_info[i].threads.thread[j],
sizeof(struct rpc_core_thread_info));
for (k = 0; k < g_last_threads_count; k++) {
if (core_info->threads.thread[j].id == g_threads_info[k].id) {
g_threads_info[k].core_num = core_info->lcore;
}
}
}
}
g_last_cores_count = current_cores_count;
qsort(&g_cores_info, g_last_cores_count, sizeof(struct rpc_core_info), sort_cores);
end:
pthread_mutex_unlock(&g_thread_lock);
spdk_jsonrpc_client_free_response(json_resp);
return rc;
}
enum str_alignment {
ALIGN_LEFT,
ALIGN_RIGHT,
};
static void
print_max_len(WINDOW *win, int row, uint16_t col, uint16_t max_len, enum str_alignment alignment,
const char *string)
{
const char dots[] = "...";
int DOTS_STR_LEN = sizeof(dots) / sizeof(dots[0]);
char tmp_str[MAX_STRING_LEN];
int len, max_col, max_str, cmp_len;
int max_row;
len = strlen(string);
getmaxyx(win, max_row, max_col);
if (row > max_row) {
/* We are in a process of resizing and this may happen */
return;
}
if (max_len != 0 && col + max_len < max_col) {
max_col = col + max_len;
}
max_str = max_col - col;
if (max_str <= DOTS_STR_LEN + 1) {
/* No space to print anything, but we have to let a user know about it */
mvwprintw(win, row, max_col - DOTS_STR_LEN - 1, "...");
refresh();
wrefresh(win);
return;
}
if (max_len) {
if (alignment == ALIGN_LEFT) {
snprintf(tmp_str, max_str, "%s%*c", string, max_len - len - 1, ' ');
} else {
snprintf(tmp_str, max_str, "%*c%s", max_len - len - 1, ' ', string);
}
cmp_len = max_len - 1;
} else {
snprintf(tmp_str, max_str, "%s", string);
cmp_len = len;
}
if (col + cmp_len > max_col - 1) {
snprintf(&tmp_str[max_str - DOTS_STR_LEN - 2], DOTS_STR_LEN, "%s", dots);
}
mvwprintw(win, row, col, tmp_str);
refresh();
wrefresh(win);
}
static void
draw_menu_win(void)
{
wbkgd(g_menu_win, COLOR_PAIR(2));
box(g_menu_win, 0, 0);
print_max_len(g_menu_win, 1, 1, 0, ALIGN_LEFT,
" [q] Quit | [1-3][Tab] Switch tab | [PgUp] Previous page | [PgDown] Next page | [Enter] Item details | [h] Help");
}
static void
draw_tab_win(enum tabs tab)
{
uint16_t col;
uint8_t white_spaces = TABS_SPACING * NUMBER_OF_TABS;
wbkgd(g_tab_win[tab], COLOR_PAIR(2));
box(g_tab_win[tab], 0, 0);
col = ((g_max_col - white_spaces) / NUMBER_OF_TABS / 2) - (strlen(g_tab_title[tab]) / 2) -
TABS_SPACING;
print_max_len(g_tab_win[tab], 1, col, 0, ALIGN_LEFT, g_tab_title[tab]);
}
static void
draw_tabs(enum tabs tab_index, uint8_t sort_col)
{
struct col_desc *col_desc = g_col_desc[tab_index];
WINDOW *tab = g_tabs[tab_index];
int i, j;
uint16_t offset, draw_offset;
uint16_t tab_height = g_max_row - MENU_WIN_HEIGHT - TAB_WIN_HEIGHT - 3;
for (i = 0; col_desc[i].name != NULL; i++) {
if (col_desc[i].disabled) {
continue;
}
offset = 1;
for (j = i; j != 0; j--) {
if (!col_desc[j - 1].disabled) {
offset += col_desc[j - 1].max_data_string;
offset += col_desc[j - 1].name_len % 2 + 1;
}
}
draw_offset = offset + (col_desc[i].max_data_string / 2) - (col_desc[i].name_len / 2);
if (i == sort_col) {
wattron(tab, COLOR_PAIR(3));
print_max_len(tab, 1, draw_offset, 0, ALIGN_LEFT, col_desc[i].name);
wattroff(tab, COLOR_PAIR(3));
} else {
print_max_len(tab, 1, draw_offset, 0, ALIGN_LEFT, col_desc[i].name);
}
if (offset != 1) {
print_max_len(tab, 1, offset - 1, 0, ALIGN_LEFT, "|");
}
}
print_max_len(tab, 2, 1, 0, ALIGN_LEFT, ""); /* Move to next line */
whline(tab, ACS_HLINE, g_max_col - 2);
/* Border lines */
mvwhline(tab, 0, 1, ACS_HLINE, g_max_col - 2);
mvwhline(tab, tab_height, 1, ACS_HLINE, g_max_col - 2);
wrefresh(tab);
}
static void
resize_interface(enum tabs tab)
{
int i;
clear();
wclear(g_menu_win);
mvwin(g_menu_win, g_max_row - MENU_WIN_SPACING, MENU_WIN_LOCATION_COL);
wresize(g_menu_win, MENU_WIN_HEIGHT, g_max_col);
draw_menu_win();
for (i = 0; i < NUMBER_OF_TABS; i++) {
wclear(g_tabs[i]);
wresize(g_tabs[i], g_max_row - MENU_WIN_HEIGHT - TAB_WIN_HEIGHT - 2, g_max_col);
mvwin(g_tabs[i], TABS_LOCATION_ROW, TABS_LOCATION_COL);
draw_tabs(i, g_current_sort_col[i]);
}
draw_tabs(tab, g_current_sort_col[tab]);
for (i = 0; i < NUMBER_OF_TABS; i++) {
wclear(g_tab_win[i]);
wresize(g_tab_win[i], TAB_WIN_HEIGHT,
(g_max_col - (TABS_SPACING * NUMBER_OF_TABS)) / NUMBER_OF_TABS);
mvwin(g_tab_win[i], TAB_WIN_LOCATION_ROW, 1 + (g_max_col / NUMBER_OF_TABS) * i);
draw_tab_win(i);
}
update_panels();
doupdate();
}
static void
switch_tab(enum tabs tab)
{
wclear(g_tabs[tab]);
draw_tabs(tab, g_current_sort_col[tab]);
top_panel(g_panels[tab]);
update_panels();
doupdate();
}
static void
get_time_str(uint64_t ticks, char *time_str)
{
uint64_t time;
time = ticks * SPDK_SEC_TO_USEC / g_tick_rate;
snprintf(time_str, MAX_TIME_STR_LEN, "%" PRIu64, time);
}
static void
draw_row_background(uint8_t item_index, uint8_t tab)
{
int k;
if (item_index == g_selected_row) {
wattron(g_tabs[tab], COLOR_PAIR(2));
}
for (k = 1; k < g_max_col - 1; k++) {
mvwprintw(g_tabs[tab], TABS_DATA_START_ROW + item_index, k, " ");
}
}
static uint8_t
refresh_threads_tab(uint8_t current_page)
{
struct col_desc *col_desc = g_col_desc[THREADS_TAB];
uint64_t i, j, threads_count;
uint16_t col, empty_col = 0;
uint8_t max_pages, item_index;
char pollers_number[MAX_POLLER_COUNT_STR_LEN], idle_time[MAX_TIME_STR_LEN],
busy_time[MAX_TIME_STR_LEN], core_str[MAX_CORE_MASK_STR_LEN];
threads_count = g_last_threads_count;
max_pages = (threads_count + g_max_data_rows - 1) / g_max_data_rows;
for (i = current_page * g_max_data_rows;
i < (uint64_t)((current_page + 1) * g_max_data_rows);
i++) {
item_index = i - (current_page * g_max_data_rows);
/* When number of threads decreases, this will print spaces in places
* where non existent threads were previously displayed. */
if (i >= threads_count) {
for (j = 1; j < (uint64_t)g_max_col - 1; j++) {
mvwprintw(g_tabs[THREADS_TAB], item_index + TABS_DATA_START_ROW, j, " ");
}
empty_col++;
continue;
}
col = TABS_DATA_START_COL;
draw_row_background(item_index, THREADS_TAB);
if (!col_desc[0].disabled) {
print_max_len(g_tabs[THREADS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[0].max_data_string, ALIGN_LEFT, g_threads_info[i].name);
col += col_desc[0].max_data_string;
}
if (!col_desc[1].disabled) {
snprintf(core_str, MAX_CORE_STR_LEN, "%d", g_threads_info[i].core_num);
print_max_len(g_tabs[THREADS_TAB], TABS_DATA_START_ROW + item_index,
col, col_desc[1].max_data_string, ALIGN_RIGHT, core_str);
col += col_desc[1].max_data_string + 2;
}
if (!col_desc[2].disabled) {
snprintf(pollers_number, MAX_POLLER_COUNT_STR_LEN, "%ld", g_threads_info[i].active_pollers_count);
print_max_len(g_tabs[THREADS_TAB], TABS_DATA_START_ROW + item_index,
col + (col_desc[2].name_len / 2), col_desc[2].max_data_string, ALIGN_LEFT, pollers_number);
col += col_desc[2].max_data_string + 2;
}
if (!col_desc[3].disabled) {
snprintf(pollers_number, MAX_POLLER_COUNT_STR_LEN, "%ld", g_threads_info[i].timed_pollers_count);
print_max_len(g_tabs[THREADS_TAB], TABS_DATA_START_ROW + item_index,
col + (col_desc[3].name_len / 2), col_desc[3].max_data_string, ALIGN_LEFT, pollers_number);
col += col_desc[3].max_data_string + 1;
}
if (!col_desc[4].disabled) {
snprintf(pollers_number, MAX_POLLER_COUNT_STR_LEN, "%ld", g_threads_info[i].paused_pollers_count);
print_max_len(g_tabs[THREADS_TAB], TABS_DATA_START_ROW + item_index,
col + (col_desc[4].name_len / 2), col_desc[4].max_data_string, ALIGN_LEFT, pollers_number);
col += col_desc[4].max_data_string + 2;
}
if (!col_desc[5].disabled) {
if (g_interval_data == true) {
get_time_str(g_threads_info[i].idle - g_threads_info[i].last_idle, idle_time);
} else {
get_time_str(g_threads_info[i].idle, idle_time);
}
print_max_len(g_tabs[THREADS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[5].max_data_string, ALIGN_RIGHT, idle_time);
col += col_desc[5].max_data_string;
}
if (!col_desc[6].disabled) {
if (g_interval_data == true) {
get_time_str(g_threads_info[i].busy - g_threads_info[i].last_busy, busy_time);
} else {
get_time_str(g_threads_info[i].busy, busy_time);
}
print_max_len(g_tabs[THREADS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[6].max_data_string, ALIGN_RIGHT, busy_time);
}
if (item_index == g_selected_row) {
wattroff(g_tabs[THREADS_TAB], COLOR_PAIR(2));
}
}
g_max_selected_row = i - current_page * g_max_data_rows - 1 - empty_col;
return max_pages;
}
static uint8_t
refresh_pollers_tab(uint8_t current_page)
{
struct col_desc *col_desc = g_col_desc[POLLERS_TAB];
uint64_t last_run_counter, last_busy_counter;
uint64_t i, j;
uint16_t col;
uint8_t max_pages, item_index;
char run_count[MAX_POLLER_RUN_COUNT], period_ticks[MAX_PERIOD_STR_LEN],
status[MAX_POLLER_IND_STR_LEN];
max_pages = (g_last_pollers_count + g_max_data_rows - 1) / g_max_data_rows;
/* Display info */
for (i = current_page * g_max_data_rows;
i < (uint64_t)((current_page + 1) * g_max_data_rows);
i++) {
item_index = i - (current_page * g_max_data_rows);
/* When number of pollers decreases, this will print spaces in places
* where non existent pollers were previously displayed. */
if (i >= g_last_pollers_count) {
for (j = 1; j < (uint64_t)g_max_col - 1; j++) {
mvwprintw(g_tabs[POLLERS_TAB], item_index + TABS_DATA_START_ROW, j, " ");
}
continue;
}
col = TABS_DATA_START_COL;
last_busy_counter = get_last_busy_counter(g_pollers_info[i].name, g_pollers_info[i].thread_id);
draw_row_background(item_index, POLLERS_TAB);
if (!col_desc[0].disabled) {
print_max_len(g_tabs[POLLERS_TAB], TABS_DATA_START_ROW + item_index, col + 1,
col_desc[0].max_data_string, ALIGN_LEFT, g_pollers_info[i].name);
col += col_desc[0].max_data_string + 2;
}
if (!col_desc[1].disabled) {
print_max_len(g_tabs[POLLERS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[1].max_data_string, ALIGN_LEFT, poller_type_str[g_pollers_info[i].type]);
col += col_desc[1].max_data_string + 2;
}
if (!col_desc[2].disabled) {
print_max_len(g_tabs[POLLERS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[2].max_data_string, ALIGN_LEFT, g_pollers_info[i].thread_name);
col += col_desc[2].max_data_string + 1;
}
if (!col_desc[3].disabled) {
last_run_counter = get_last_run_counter(g_pollers_info[i].name, g_pollers_info[i].thread_id);
if (g_interval_data == true) {
snprintf(run_count, MAX_POLLER_RUN_COUNT, "%" PRIu64,
g_pollers_info[i].run_count - last_run_counter);
} else {
snprintf(run_count, MAX_POLLER_RUN_COUNT, "%" PRIu64, g_pollers_info[i].run_count);
}
print_max_len(g_tabs[POLLERS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[3].max_data_string, ALIGN_RIGHT, run_count);
col += col_desc[3].max_data_string;
}
if (!col_desc[4].disabled) {
if (g_pollers_info[i].period_ticks != 0) {
get_time_str(g_pollers_info[i].period_ticks, period_ticks);
print_max_len(g_tabs[POLLERS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[4].max_data_string, ALIGN_RIGHT, period_ticks);
}
col += col_desc[4].max_data_string + 7;
}
if (!col_desc[5].disabled) {
if (g_pollers_info[i].busy_count > last_busy_counter) {
if (g_interval_data == true) {
snprintf(status, MAX_POLLER_IND_STR_LEN, "Busy (%" PRIu64 ")",
g_pollers_info[i].busy_count - last_busy_counter);
} else {
snprintf(status, MAX_POLLER_IND_STR_LEN, "Busy (%" PRIu64 ")", g_pollers_info[i].busy_count);
}
if (item_index != g_selected_row) {
wattron(g_tabs[POLLERS_TAB], COLOR_PAIR(6));
print_max_len(g_tabs[POLLERS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[5].max_data_string, ALIGN_LEFT, status);
wattroff(g_tabs[POLLERS_TAB], COLOR_PAIR(6));
} else {
wattron(g_tabs[POLLERS_TAB], COLOR_PAIR(8));
print_max_len(g_tabs[POLLERS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[5].max_data_string, ALIGN_LEFT, status);
wattroff(g_tabs[POLLERS_TAB], COLOR_PAIR(8));
}
} else {
if (g_interval_data == true) {
snprintf(status, MAX_POLLER_IND_STR_LEN, "%s", "Idle");
} else {
snprintf(status, MAX_POLLER_IND_STR_LEN, "Idle (%" PRIu64 ")", g_pollers_info[i].busy_count);
}
if (item_index != g_selected_row) {
wattron(g_tabs[POLLERS_TAB], COLOR_PAIR(7));
print_max_len(g_tabs[POLLERS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[5].max_data_string, ALIGN_LEFT, status);
wattroff(g_tabs[POLLERS_TAB], COLOR_PAIR(7));
} else {
wattron(g_tabs[POLLERS_TAB], COLOR_PAIR(9));
print_max_len(g_tabs[POLLERS_TAB], TABS_DATA_START_ROW + item_index, col,
col_desc[5].max_data_string, ALIGN_LEFT, status);
wattroff(g_tabs[POLLERS_TAB], COLOR_PAIR(9));
}
}
}
if (item_index == g_selected_row) {
wattroff(g_tabs[POLLERS_TAB], COLOR_PAIR(2));
}
}
g_max_selected_row = i - current_page * g_max_data_rows - 1;
return max_pages;
}
static uint8_t
refresh_cores_tab(uint8_t current_page)
{
struct col_desc *col_desc = g_col_desc[CORES_TAB];
uint64_t i;
uint16_t offset, count = 0;
uint8_t max_pages, item_index;
char core[MAX_CORE_STR_LEN], threads_number[MAX_THREAD_COUNT_STR_LEN],
pollers_number[MAX_POLLER_COUNT_STR_LEN], idle_time[MAX_TIME_STR_LEN],
busy_time[MAX_TIME_STR_LEN], core_freq[MAX_CORE_FREQ_STR_LEN],
in_interrupt[MAX_INTR_LEN];
count = g_last_cores_count;
max_pages = (count + g_max_row - WINDOW_HEADER - 1) / (g_max_row - WINDOW_HEADER);
for (i = current_page * g_max_data_rows;
i < spdk_min(count, (uint64_t)((current_page + 1) * g_max_data_rows));
i++) {
item_index = i - (current_page * g_max_data_rows);
snprintf(threads_number, MAX_THREAD_COUNT_STR_LEN, "%ld", g_cores_info[i].threads.threads_count);
snprintf(pollers_number, MAX_POLLER_COUNT_STR_LEN, "%ld", g_cores_info[i].pollers_count);
offset = 1;
draw_row_background(item_index, CORES_TAB);
if (!col_desc[0].disabled) {
snprintf(core, MAX_CORE_STR_LEN, "%d", g_cores_info[i].lcore);
print_max_len(g_tabs[CORES_TAB], TABS_DATA_START_ROW + item_index, offset,
col_desc[0].max_data_string, ALIGN_RIGHT, core);
offset += col_desc[0].max_data_string + 2;
}
if (!col_desc[1].disabled) {
print_max_len(g_tabs[CORES_TAB], TABS_DATA_START_ROW + item_index,
offset + (col_desc[1].name_len / 2), col_desc[1].max_data_string, ALIGN_LEFT, threads_number);
offset += col_desc[1].max_data_string + 2;
}
if (!col_desc[2].disabled) {
print_max_len(g_tabs[CORES_TAB], TABS_DATA_START_ROW + item_index,
offset + (col_desc[2].name_len / 2), col_desc[2].max_data_string, ALIGN_LEFT, pollers_number);
offset += col_desc[2].max_data_string;
}
if (!col_desc[3].disabled) {
if (g_interval_data == true) {
get_time_str(g_cores_info[i].idle - g_cores_info[i].last_idle, idle_time);
} else {
get_time_str(g_cores_info[i].idle, idle_time);
}
print_max_len(g_tabs[CORES_TAB], TABS_DATA_START_ROW + item_index, offset,
col_desc[3].max_data_string, ALIGN_RIGHT, idle_time);
offset += col_desc[3].max_data_string + 2;
}
if (!col_desc[4].disabled) {
if (g_interval_data == true) {
get_time_str(g_cores_info[i].busy - g_cores_info[i].last_busy, busy_time);
} else {
get_time_str(g_cores_info[i].busy, busy_time);
}
print_max_len(g_tabs[CORES_TAB], TABS_DATA_START_ROW + item_index, offset,
col_desc[4].max_data_string, ALIGN_RIGHT, busy_time);
offset += col_desc[4].max_data_string + 2;
}
if (!col_desc[5].disabled) {
if (!g_cores_info[i].core_freq) {
snprintf(core_freq, MAX_CORE_FREQ_STR_LEN, "%s", "N/A");
} else {
snprintf(core_freq, MAX_CORE_FREQ_STR_LEN, "%" PRIu32,
g_cores_info[i].core_freq);
}
print_max_len(g_tabs[CORES_TAB], TABS_DATA_START_ROW + item_index, offset,
col_desc[5].max_data_string, ALIGN_RIGHT, core_freq);
offset += col_desc[5].max_data_string + 2;
}
if (!col_desc[6].disabled) {
snprintf(in_interrupt, MAX_INTR_LEN, "%s", g_cores_info[i].in_interrupt ? "Yes" : "No");
print_max_len(g_tabs[CORES_TAB], TABS_DATA_START_ROW + item_index,
offset + (col_desc[6].name_len / 2), col_desc[6].max_data_string, ALIGN_LEFT, in_interrupt);
}
if (item_index == g_selected_row) {
wattroff(g_tabs[CORES_TAB], COLOR_PAIR(2));
}
}
g_max_selected_row = i - current_page * g_max_data_rows - 1;
return max_pages;
}
static uint8_t
refresh_tab(enum tabs tab, uint8_t current_page)
{
uint8_t (*refresh_function[NUMBER_OF_TABS])(uint8_t current_page) = {refresh_threads_tab, refresh_pollers_tab, refresh_cores_tab};
int color_pair[NUMBER_OF_TABS] = {COLOR_PAIR(2), COLOR_PAIR(2), COLOR_PAIR(2)};
int i;
uint8_t max_pages = 0;
color_pair[tab] = COLOR_PAIR(1);
for (i = 0; i < NUMBER_OF_TABS; i++) {
wbkgd(g_tab_win[i], color_pair[i]);
}
max_pages = (*refresh_function[tab])(current_page);
refresh();
for (i = 0; i < NUMBER_OF_TABS; i++) {
wrefresh(g_tab_win[i]);
}
draw_menu_win();
return max_pages;
}
static void
print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color)
{
int length, temp;
length = strlen(string);
temp = (width - length) / 2;
wattron(win, color);
mvwprintw(win, starty, startx + temp, "%s", string);
wattroff(win, color);
refresh();
}
static void
print_left(WINDOW *win, int starty, int startx, int width, char *string, chtype color)
{
wattron(win, color);
mvwprintw(win, starty, startx, "%s", string);
wattroff(win, color);
refresh();
}
static void
apply_filters(enum tabs tab)
{
wclear(g_tabs[tab]);
draw_tabs(tab, g_current_sort_col[tab]);
}
static ITEM **
draw_filtering_menu(uint8_t position, WINDOW *filter_win, uint8_t tab, MENU **my_menu)
{
const int ADDITIONAL_ELEMENTS = 3;
const int ROW_PADDING = 6;
const int WINDOW_START_X = 1;
const int WINDOW_START_Y = 3;
const int WINDOW_COLUMNS = 2;
struct col_desc *col_desc = g_col_desc[tab];
ITEM **my_items;
MENU *menu;
int i, elements;
uint8_t len = 0;
for (i = 0; col_desc[i].name != NULL; ++i) {
len = spdk_max(col_desc[i].name_len, len);
}
elements = i;
my_items = (ITEM **)calloc(elements * WINDOW_COLUMNS + ADDITIONAL_ELEMENTS, sizeof(ITEM *));
if (my_items == NULL) {
fprintf(stderr, "Unable to allocate an item list in draw_filtering_menu.\n");
return NULL;
}
for (i = 0; i < elements * 2; i++) {
my_items[i] = new_item(col_desc[i / WINDOW_COLUMNS].name, NULL);
i++;
my_items[i] = new_item(col_desc[i / WINDOW_COLUMNS].disabled ? "[ ]" : "[*]", NULL);
}
my_items[i] = new_item(" CLOSE", NULL);
set_item_userptr(my_items[i], apply_filters);
menu = new_menu((ITEM **)my_items);
menu_opts_off(menu, O_SHOWDESC);
set_menu_format(menu, elements + 1, WINDOW_COLUMNS);
set_menu_win(menu, filter_win);
set_menu_sub(menu, derwin(filter_win, elements + 1, len + ROW_PADDING, WINDOW_START_Y,
WINDOW_START_X));
*my_menu = menu;
post_menu(menu);
refresh();
wrefresh(filter_win);
for (i = 0; i < position / WINDOW_COLUMNS; i++) {
menu_driver(menu, REQ_DOWN_ITEM);
}
return my_items;
}
static void
delete_filtering_menu(MENU *my_menu, ITEM **my_items, uint8_t elements)
{
int i;
unpost_menu(my_menu);
free_menu(my_menu);
for (i = 0; i < elements * 2 + 2; ++i) {
free_item(my_items[i]);
}
free(my_items);
}
static ITEM **
refresh_filtering_menu(MENU **my_menu, WINDOW *filter_win, uint8_t tab, ITEM **my_items,
uint8_t elements, uint8_t position)
{
delete_filtering_menu(*my_menu, my_items, elements);
return draw_filtering_menu(position, filter_win, tab, my_menu);
}
static void
filter_columns(uint8_t tab)
{
const int WINDOW_HEADER_LEN = 5;
const int WINDOW_BORDER_LEN = 8;
const int WINDOW_HEADER_END_LINE = 2;
const int WINDOW_COLUMNS = 2;
struct col_desc *col_desc = g_col_desc[tab];
PANEL *filter_panel;
WINDOW *filter_win;
ITEM **my_items;
MENU *my_menu = NULL;
int i, c, elements;
bool stop_loop = false;
ITEM *cur;
void (*p)(enum tabs tab);
uint8_t current_index, len = 0;
bool disabled[TABS_COL_COUNT];
for (i = 0; col_desc[i].name != NULL; ++i) {
len = spdk_max(col_desc[i].name_len, len);
}
elements = i;
filter_win = newwin(elements + WINDOW_HEADER_LEN, len + WINDOW_BORDER_LEN,
(g_max_row - elements - 1) / 2, (g_max_col - len) / 2);
assert(filter_win != NULL);
keypad(filter_win, TRUE);
filter_panel = new_panel(filter_win);
assert(filter_panel != NULL);
top_panel(filter_panel);
update_panels();
doupdate();
box(filter_win, 0, 0);
print_in_middle(filter_win, 1, 0, len + WINDOW_BORDER_LEN, "Filtering", COLOR_PAIR(3));
mvwaddch(filter_win, WINDOW_HEADER_END_LINE, 0, ACS_LTEE);
mvwhline(filter_win, WINDOW_HEADER_END_LINE, 1, ACS_HLINE, len + WINDOW_BORDER_LEN - 2);
mvwaddch(filter_win, WINDOW_HEADER_END_LINE, len + WINDOW_BORDER_LEN - 1, ACS_RTEE);
my_items = draw_filtering_menu(0, filter_win, tab, &my_menu);
if (my_items == NULL || my_menu == NULL) {
goto fail;
}
for (int i = 0; i < TABS_COL_COUNT; i++) {
disabled[i] = col_desc[i].disabled;
}
while (!stop_loop) {
c = wgetch(filter_win);
switch (c) {
case KEY_DOWN:
menu_driver(my_menu, REQ_DOWN_ITEM);
break;
case KEY_UP:
menu_driver(my_menu, REQ_UP_ITEM);
break;
case 27: /* ESC */
case 'q':
for (int i = 0; i < TABS_COL_COUNT; i++) {
cur = current_item(my_menu);
col_desc[i].disabled = disabled[i];
my_items = refresh_filtering_menu(&my_menu, filter_win, tab, my_items, elements,
item_index(cur) + 1);
if (my_items == NULL || my_menu == NULL) {
goto fail;
}
}
stop_loop = true;
break;
case ' ': /* Space */
cur = current_item(my_menu);
current_index = item_index(cur) / WINDOW_COLUMNS;
col_desc[current_index].disabled = !col_desc[current_index].disabled;
my_items = refresh_filtering_menu(&my_menu, filter_win, tab, my_items, elements,
item_index(cur) + 1);
if (my_items == NULL || my_menu == NULL) {
goto fail;
}
break;
case 10: /* Enter */
cur = current_item(my_menu);
current_index = item_index(cur) / WINDOW_COLUMNS;
if (current_index == elements) {
stop_loop = true;
p = item_userptr(cur);
p(tab);
} else {
col_desc[current_index].disabled = !col_desc[current_index].disabled;
my_items = refresh_filtering_menu(&my_menu, filter_win, tab, my_items, elements,
item_index(cur) + 1);
if (my_items == NULL || my_menu == NULL) {
goto fail;
}
}
break;
}
wrefresh(filter_win);
}
delete_filtering_menu(my_menu, my_items, elements);
del_panel(filter_panel);
delwin(filter_win);
wclear(g_menu_win);
draw_menu_win();
return;
fail:
fprintf(stderr, "Unable to filter the columns due to allocation failure.\n");
assert(false);
}
static void
sort_type(enum tabs tab, int item_index)
{
g_current_sort_col[tab] = item_index;
wclear(g_tabs[tab]);
draw_tabs(tab, g_current_sort_col[tab]);
}
static void
change_sorting(uint8_t tab)
{
const int WINDOW_HEADER_LEN = 4;
const int WINDOW_BORDER_LEN = 3;
const int WINDOW_START_X = 1;
const int WINDOW_START_Y = 3;
const int WINDOW_HEADER_END_LINE = 2;
PANEL *sort_panel;
WINDOW *sort_win;
ITEM **my_items;
MENU *my_menu;
int i, c, elements;
bool stop_loop = false;
ITEM *cur;
void (*p)(enum tabs tab, int item_index);
uint8_t len = 0;
for (i = 0; g_col_desc[tab][i].name != NULL; ++i) {
len = spdk_max(len, g_col_desc[tab][i].name_len);
}
elements = i;
my_items = (ITEM **)calloc(elements + 1, sizeof(ITEM *));
if (my_items == NULL) {
fprintf(stderr, "Unable to allocate an item list in change_sorting.\n");
return;
}
for (i = 0; i < elements; ++i) {
my_items[i] = new_item(g_col_desc[tab][i].name, NULL);
set_item_userptr(my_items[i], sort_type);
}
my_menu = new_menu((ITEM **)my_items);
menu_opts_off(my_menu, O_SHOWDESC);
sort_win = newwin(elements + WINDOW_HEADER_LEN, len + WINDOW_BORDER_LEN, (g_max_row - elements) / 2,
(g_max_col - len) / 2);
assert(sort_win != NULL);
keypad(sort_win, TRUE);
sort_panel = new_panel(sort_win);
assert(sort_panel != NULL);
top_panel(sort_panel);
update_panels();
doupdate();
set_menu_win(my_menu, sort_win);
set_menu_sub(my_menu, derwin(sort_win, elements, len + 1, WINDOW_START_Y, WINDOW_START_X));
box(sort_win, 0, 0);
print_in_middle(sort_win, 1, 0, len + WINDOW_BORDER_LEN, "Sorting", COLOR_PAIR(3));
mvwaddch(sort_win, WINDOW_HEADER_END_LINE, 0, ACS_LTEE);
mvwhline(sort_win, WINDOW_HEADER_END_LINE, 1, ACS_HLINE, len + 1);
mvwaddch(sort_win, WINDOW_HEADER_END_LINE, len + WINDOW_BORDER_LEN - 1, ACS_RTEE);
post_menu(my_menu);
refresh();
wrefresh(sort_win);
while (!stop_loop) {
c = wgetch(sort_win);
switch (c) {
case KEY_DOWN:
menu_driver(my_menu, REQ_DOWN_ITEM);
break;
case KEY_UP:
menu_driver(my_menu, REQ_UP_ITEM);
break;
case 27: /* ESC */
stop_loop = true;
break;
case 10: /* Enter */
stop_loop = true;
cur = current_item(my_menu);
p = item_userptr(cur);
p(tab, item_index(cur));
break;
}
wrefresh(sort_win);
}
unpost_menu(my_menu);
free_menu(my_menu);
for (i = 0; i < elements; ++i) {
free_item(my_items[i]);
}
free(my_items);
del_panel(sort_panel);
delwin(sort_win);
wclear(g_menu_win);
draw_menu_win();
}
static void
change_refresh_rate(void)
{
const int WINDOW_HEADER_END_LINE = 2;
PANEL *refresh_panel;
WINDOW *refresh_win;
int c;
bool stop_loop = false;
uint32_t rr_tmp, refresh_rate = 0;
char refresh_rate_str[MAX_STRING_LEN];
refresh_win = newwin(RR_WIN_HEIGHT, RR_WIN_WIDTH, (g_max_row - RR_WIN_HEIGHT - 1) / 2,
(g_max_col - RR_WIN_WIDTH) / 2);
assert(refresh_win != NULL);
keypad(refresh_win, TRUE);
refresh_panel = new_panel(refresh_win);
assert(refresh_panel != NULL);
top_panel(refresh_panel);
update_panels();
doupdate();
box(refresh_win, 0, 0);
print_in_middle(refresh_win, 1, 0, RR_WIN_WIDTH + 1, "Enter refresh rate value [s]", COLOR_PAIR(3));
mvwaddch(refresh_win, WINDOW_HEADER_END_LINE, 0, ACS_LTEE);
mvwhline(refresh_win, WINDOW_HEADER_END_LINE, 1, ACS_HLINE, RR_WIN_WIDTH - 2);
mvwaddch(refresh_win, WINDOW_HEADER_END_LINE, RR_WIN_WIDTH, ACS_RTEE);
mvwprintw(refresh_win, WINDOW_HEADER_END_LINE + 1, (RR_WIN_WIDTH - 1) / 2, "%d", refresh_rate);
refresh();
wrefresh(refresh_win);
while (!stop_loop) {
c = wgetch(refresh_win);
switch (c) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
rr_tmp = refresh_rate * 10 + c - '0';
if (rr_tmp <= RR_MAX_VALUE) {
refresh_rate = rr_tmp;
snprintf(refresh_rate_str, MAX_STRING_LEN - 1, "%d", refresh_rate);
mvwprintw(refresh_win, WINDOW_HEADER_END_LINE + 1,
(RR_WIN_WIDTH - 1 - strlen(refresh_rate_str)) / 2, "%d", refresh_rate);
refresh();
wrefresh(refresh_win);
}
break;
case KEY_BACKSPACE:
case 127:
case '\b':
refresh_rate = refresh_rate / 10;
snprintf(refresh_rate_str, MAX_STRING_LEN - 1, "%d", refresh_rate);
mvwprintw(refresh_win, WINDOW_HEADER_END_LINE + 1,
(RR_WIN_WIDTH - 1 - strlen(refresh_rate_str) - 2) / 2, " ");
mvwprintw(refresh_win, WINDOW_HEADER_END_LINE + 1,
(RR_WIN_WIDTH - 1 - strlen(refresh_rate_str)) / 2, "%d", refresh_rate);
refresh();
wrefresh(refresh_win);
break;
case 27: /* ESC */
case 'q':
stop_loop = true;
break;
case 10: /* Enter */
g_sleep_time = refresh_rate;
stop_loop = true;
break;
}
wrefresh(refresh_win);
}
del_panel(refresh_panel);
delwin(refresh_win);
}
static void
free_poller_history(void)
{
struct run_counter_history *history, *tmp;
TAILQ_FOREACH_SAFE(history, &g_run_counter_history, link, tmp) {
TAILQ_REMOVE(&g_run_counter_history, history, link);
free(history->poller_name);
free(history);
}
}
static uint64_t
get_position_for_window(uint64_t window_size, uint64_t max_size)
{
/* This function calculates position for pop-up detail window.
* Since horizontal and vertical positions are calculated the same way
* there is no need for separate functions. */
window_size = spdk_min(window_size, max_size);
return (max_size - window_size) / 2;
}
static void
display_thread(struct rpc_thread_info *thread_info)
{
PANEL *thread_panel;
WINDOW *thread_win;
uint64_t pollers_count, current_row, i, time;
int c;
bool stop_loop = false;
char idle_time[MAX_TIME_STR_LEN], busy_time[MAX_TIME_STR_LEN];
pthread_mutex_lock(&g_thread_lock);
pollers_count = thread_info->active_pollers_count +
thread_info->timed_pollers_count +
thread_info->paused_pollers_count;
thread_win = newwin(pollers_count + THREAD_WIN_HEIGHT, THREAD_WIN_WIDTH,
get_position_for_window(THREAD_WIN_HEIGHT + pollers_count, g_max_row),
get_position_for_window(THREAD_WIN_WIDTH, g_max_col));
keypad(thread_win, TRUE);
thread_panel = new_panel(thread_win);
top_panel(thread_panel);
update_panels();
doupdate();
box(thread_win, 0, 0);
print_in_middle(thread_win, 1, 0, THREAD_WIN_WIDTH, thread_info->name,
COLOR_PAIR(3));
mvwhline(thread_win, 2, 1, ACS_HLINE, THREAD_WIN_WIDTH - 2);
mvwaddch(thread_win, 2, THREAD_WIN_WIDTH, ACS_RTEE);
print_left(thread_win, 3, THREAD_WIN_FIRST_COL, THREAD_WIN_WIDTH,
"Core: Idle [us]: Busy [us]:", COLOR_PAIR(5));
mvwprintw(thread_win, 3, THREAD_WIN_FIRST_COL + 6, "%" PRIu64,
thread_info->core_num);
if (g_interval_data) {
get_time_str(thread_info->idle - thread_info->last_idle, idle_time);
mvwprintw(thread_win, 3, THREAD_WIN_FIRST_COL + 32, idle_time);
get_time_str(thread_info->busy - thread_info->last_busy, busy_time);
mvwprintw(thread_win, 3, THREAD_WIN_FIRST_COL + 54, busy_time);
} else {
get_time_str(thread_info->idle, idle_time);
mvwprintw(thread_win, 3, THREAD_WIN_FIRST_COL + 32, idle_time);
get_time_str(thread_info->busy, busy_time);
mvwprintw(thread_win, 3, THREAD_WIN_FIRST_COL + 54, busy_time);
}
print_left(thread_win, 4, THREAD_WIN_FIRST_COL, THREAD_WIN_WIDTH,
"Active pollers: Timed pollers: Paused pollers:", COLOR_PAIR(5));
mvwprintw(thread_win, 4, THREAD_WIN_FIRST_COL + 17, "%" PRIu64,
thread_info->active_pollers_count);
mvwprintw(thread_win, 4, THREAD_WIN_FIRST_COL + 36, "%" PRIu64,
thread_info->timed_pollers_count);
mvwprintw(thread_win, 4, THREAD_WIN_FIRST_COL + 59, "%" PRIu64,
thread_info->paused_pollers_count);
mvwhline(thread_win, 5, 1, ACS_HLINE, THREAD_WIN_WIDTH - 2);
print_in_middle(thread_win, 6, 0, THREAD_WIN_WIDTH,
"Pollers Type Total run count Period", COLOR_PAIR(5));
mvwhline(thread_win, 7, 1, ACS_HLINE, THREAD_WIN_WIDTH - 2);
current_row = 8;
for (i = 0; i < g_last_pollers_count; i++) {
if (g_pollers_info[i].thread_id == thread_info->id) {
mvwprintw(thread_win, current_row, THREAD_WIN_FIRST_COL, "%s", g_pollers_info[i].name);
if (g_pollers_info[i].type == SPDK_ACTIVE_POLLER) {
mvwprintw(thread_win, current_row, THREAD_WIN_FIRST_COL + 33, "Active");
} else if (g_pollers_info[i].type == SPDK_TIMED_POLLER) {
mvwprintw(thread_win, current_row, THREAD_WIN_FIRST_COL + 33, "Timed");
} else {
mvwprintw(thread_win, current_row, THREAD_WIN_FIRST_COL + 33, "Paused");
}
mvwprintw(thread_win, current_row, THREAD_WIN_FIRST_COL + 41, "%" PRIu64,
g_pollers_info[i].run_count);
if (g_pollers_info[i].period_ticks) {
time = g_pollers_info[i].period_ticks * SPDK_SEC_TO_USEC / g_tick_rate;
mvwprintw(thread_win, current_row, THREAD_WIN_FIRST_COL + 59, "%" PRIu64, time);
}
current_row++;
}
}
refresh();
wrefresh(thread_win);
pthread_mutex_unlock(&g_thread_lock);
while (!stop_loop) {
c = wgetch(thread_win);
switch (c) {
case 27: /* ESC */
stop_loop = true;
break;
default:
break;
}
}
del_panel(thread_panel);
delwin(thread_win);
}
static void
show_thread(uint8_t current_page)
{
struct rpc_thread_info thread_info;
uint64_t thread_number = current_page * g_max_data_rows + g_selected_row;
pthread_mutex_lock(&g_thread_lock);
assert(thread_number < g_last_threads_count);
thread_info = g_threads_info[thread_number];
pthread_mutex_unlock(&g_thread_lock);
display_thread(&thread_info);
}
static void
show_single_thread(uint64_t thread_id)
{
uint64_t i;
struct rpc_thread_info thread_info;
pthread_mutex_lock(&g_thread_lock);
for (i = 0; i < g_last_threads_count; i++) {
if (g_threads_info[i].id == thread_id) {
thread_info = g_threads_info[i];
pthread_mutex_unlock(&g_thread_lock);
display_thread(&thread_info);
return;
}
}
pthread_mutex_unlock(&g_thread_lock);
}
static void
show_core(uint8_t current_page)
{
PANEL *core_panel;
WINDOW *core_win;
uint64_t core_number = current_page * g_max_data_rows + g_selected_row;
struct rpc_core_info *core_info = &g_cores_info[core_number];
uint64_t threads_count, i;
uint64_t thread_id = 0;
uint16_t current_threads_row;
int c;
char core_win_title[25];
bool stop_loop = false;
char idle_time[MAX_TIME_STR_LEN], busy_time[MAX_TIME_STR_LEN];
pthread_mutex_lock(&g_thread_lock);
assert(core_number < g_last_cores_count);
threads_count = g_cores_info[core_number].threads.threads_count;
core_win = newwin(threads_count + CORE_WIN_HEIGHT, CORE_WIN_WIDTH,
get_position_for_window(CORE_WIN_HEIGHT + threads_count, g_max_row),
get_position_for_window(CORE_WIN_WIDTH, g_max_col));
keypad(core_win, TRUE);
core_panel = new_panel(core_win);
top_panel(core_panel);
update_panels();
doupdate();
box(core_win, 0, 0);
snprintf(core_win_title, sizeof(core_win_title), "Core %" PRIu32 " details",
core_info->lcore);
print_in_middle(core_win, 1, 0, CORE_WIN_WIDTH, core_win_title, COLOR_PAIR(3));
mvwaddch(core_win, -1, 0, ACS_LTEE);
mvwhline(core_win, 2, 1, ACS_HLINE, CORE_WIN_WIDTH - 2);
mvwaddch(core_win, 2, CORE_WIN_WIDTH, ACS_RTEE);
print_left(core_win, 3, 1, CORE_WIN_WIDTH - (CORE_WIN_WIDTH / 3),
"Frequency: Intr:", COLOR_PAIR(5));
if (core_info->core_freq) {
mvwprintw(core_win, 3, CORE_WIN_FIRST_COL - 3, "%" PRIu32,
core_info->core_freq);
} else {
mvwprintw(core_win, 3, CORE_WIN_FIRST_COL - 3, "%s", "N/A");
}
mvwprintw(core_win, 3, CORE_WIN_FIRST_COL + 15, "%s",
core_info->in_interrupt ? "Yes" : "No");
mvwaddch(core_win, -1, 0, ACS_LTEE);
mvwhline(core_win, 4, 1, ACS_HLINE, CORE_WIN_WIDTH - 2);
mvwaddch(core_win, 4, CORE_WIN_WIDTH, ACS_RTEE);
print_left(core_win, 5, 1, CORE_WIN_WIDTH, "Thread count: Idle time:", COLOR_PAIR(5));
mvwprintw(core_win, 5, CORE_WIN_FIRST_COL, "%" PRIu64,
core_info->threads.threads_count);
if (g_interval_data == true) {
get_time_str(core_info->idle - core_info->last_idle, idle_time);
get_time_str(core_info->busy - core_info->last_busy, busy_time);
} else {
get_time_str(core_info->idle, idle_time);
get_time_str(core_info->busy, busy_time);
}
mvwprintw(core_win, 5, CORE_WIN_FIRST_COL + 20, idle_time);
mvwhline(core_win, 6, 1, ACS_HLINE, CORE_WIN_WIDTH - 2);
print_left(core_win, 7, 1, CORE_WIN_WIDTH, "Poller count: Busy time:", COLOR_PAIR(5));
mvwprintw(core_win, 7, CORE_WIN_FIRST_COL, "%" PRIu64,
core_info->pollers_count);
mvwprintw(core_win, 7, CORE_WIN_FIRST_COL + 20, busy_time);
mvwhline(core_win, 8, 1, ACS_HLINE, CORE_WIN_WIDTH - 2);
print_left(core_win, 9, 1, CORE_WIN_WIDTH, "Threads on this core", COLOR_PAIR(5));
for (i = 0; i < core_info->threads.threads_count; i++) {
mvwprintw(core_win, i + 10, 1, core_info->threads.thread[i].name);
}
pthread_mutex_unlock(&g_thread_lock);
refresh();
wrefresh(core_win);
current_threads_row = 0;
while (!stop_loop) {
pthread_mutex_lock(&g_thread_lock);
for (i = 0; i < core_info->threads.threads_count; i++) {
if (i != current_threads_row) {
mvwprintw(core_win, i + 10, 1, core_info->threads.thread[i].name);
} else {
print_left(core_win, i + 10, 1, CORE_WIN_WIDTH - 2,
core_info->threads.thread[i].name, COLOR_PAIR(2));
}
}
pthread_mutex_unlock(&g_thread_lock);
wrefresh(core_win);
c = wgetch(core_win);
switch (c) {
case 10: /* ENTER */
pthread_mutex_lock(&g_thread_lock);
if (core_info->threads.threads_count > 0) {
thread_id = core_info->threads.thread[current_threads_row].id;
}
pthread_mutex_unlock(&g_thread_lock);
if (thread_id != 0) {
show_single_thread(thread_id);
}
break;
case 27: /* ESC */
stop_loop = true;
break;
case KEY_UP:
if (current_threads_row != 0) {
current_threads_row--;
}
break;
case KEY_DOWN:
pthread_mutex_lock(&g_thread_lock);
if (current_threads_row != core_info->threads.threads_count - 1) {
current_threads_row++;
}
pthread_mutex_unlock(&g_thread_lock);
break;
default:
break;
}
}
del_panel(core_panel);
delwin(core_win);
}
static void
show_poller(uint8_t current_page)
{
PANEL *poller_panel;
WINDOW *poller_win;
uint64_t last_run_counter, last_busy_counter, busy_count;
uint64_t poller_number = current_page * g_max_data_rows + g_selected_row;
struct rpc_poller_info *poller;
bool stop_loop = false;
char poller_period[MAX_TIME_STR_LEN];
int c;
pthread_mutex_lock(&g_thread_lock);
assert(poller_number < g_last_pollers_count);
poller = &g_pollers_info[poller_number];
poller_win = newwin(POLLER_WIN_HEIGHT, POLLER_WIN_WIDTH,
get_position_for_window(POLLER_WIN_HEIGHT, g_max_row),
get_position_for_window(POLLER_WIN_WIDTH, g_max_col));
keypad(poller_win, TRUE);
poller_panel = new_panel(poller_win);
top_panel(poller_panel);
update_panels();
doupdate();
box(poller_win, 0, 0);
print_in_middle(poller_win, 1, 0, POLLER_WIN_WIDTH, poller->name, COLOR_PAIR(3));
mvwhline(poller_win, 2, 1, ACS_HLINE, POLLER_WIN_WIDTH - 2);
mvwaddch(poller_win, 2, POLLER_WIN_WIDTH, ACS_RTEE);
print_left(poller_win, 3, 2, POLLER_WIN_WIDTH, "Type: On thread:", COLOR_PAIR(5));
mvwprintw(poller_win, 3, POLLER_WIN_FIRST_COL,
poller_type_str[poller->type]);
mvwprintw(poller_win, 3, POLLER_WIN_FIRST_COL + 23, poller->thread_name);
print_left(poller_win, 4, 2, POLLER_WIN_WIDTH, "Run count:", COLOR_PAIR(5));
last_run_counter = get_last_run_counter(poller->name, poller->thread_id);
last_busy_counter = get_last_busy_counter(poller->name, poller->thread_id);
if (g_interval_data) {
mvwprintw(poller_win, 4, POLLER_WIN_FIRST_COL, "%" PRIu64, poller->run_count - last_run_counter);
} else {
mvwprintw(poller_win, 4, POLLER_WIN_FIRST_COL, "%" PRIu64, poller->run_count);
}
if (poller->period_ticks != 0) {
print_left(poller_win, 4, 28, POLLER_WIN_WIDTH, "Period:", COLOR_PAIR(5));
get_time_str(poller->period_ticks, poller_period);
mvwprintw(poller_win, 4, POLLER_WIN_FIRST_COL + 23, poller_period);
}
mvwhline(poller_win, 5, 1, ACS_HLINE, POLLER_WIN_WIDTH - 2);
busy_count = g_interval_data ? poller->busy_count - last_busy_counter : poller->busy_count;
if (busy_count != 0) {
print_left(poller_win, 6, 2, POLLER_WIN_WIDTH, "Status: Busy count:", COLOR_PAIR(5));
if (g_interval_data == false && poller->busy_count == last_busy_counter) {
print_left(poller_win, 6, POLLER_WIN_FIRST_COL, POLLER_WIN_WIDTH, "Idle", COLOR_PAIR(7));
} else {
print_left(poller_win, 6, POLLER_WIN_FIRST_COL, POLLER_WIN_WIDTH, "Busy", COLOR_PAIR(6));
}
mvwprintw(poller_win, 6, POLLER_WIN_FIRST_COL + 23, "%" PRIu64, busy_count);
} else {
print_in_middle(poller_win, 6, 1, POLLER_WIN_WIDTH - 7, "Status:", COLOR_PAIR(5));
print_in_middle(poller_win, 6, 1, POLLER_WIN_WIDTH + 6, "Idle", COLOR_PAIR(7));
}
refresh();
wrefresh(poller_win);
pthread_mutex_unlock(&g_thread_lock);
while (!stop_loop) {
c = wgetch(poller_win);
switch (c) {
case 27: /* ESC */
stop_loop = true;
break;
default:
break;
}
}
del_panel(poller_panel);
delwin(poller_win);
}
static void
print_bottom_error_message(char *msg)
{
mvprintw(g_max_row - 1, g_max_col - strlen(msg) - 2, msg);
}
static void *
data_thread_routine(void *arg)
{
int rc;
while (1) {
pthread_mutex_lock(&g_thread_lock);
if (g_quit_app) {
pthread_mutex_unlock(&g_thread_lock);
break;
}
pthread_mutex_unlock(&g_thread_lock);
/* Get data from RPC for each object type.
* Start with cores since their number should not change. */
rc = get_cores_data();
if (rc) {
print_bottom_error_message("ERROR occurred while getting cores data");
}
rc = get_thread_data();
if (rc) {
print_bottom_error_message("ERROR occurred while getting threads data");
}
rc = get_pollers_data();
if (rc) {
print_bottom_error_message("ERROR occurred while getting pollers data");
}
usleep(g_sleep_time * SPDK_SEC_TO_USEC);
}
return NULL;
}
static void
help_window_display(void)
{
PANEL *help_panel;
WINDOW *help_win;
bool stop_loop = false;
int c;
uint64_t row = 1, col = 2, desc_second_row_col = 26, header_footer_col = 0;
help_win = newwin(HELP_WIN_HEIGHT, HELP_WIN_WIDTH,
get_position_for_window(HELP_WIN_HEIGHT, g_max_row),
get_position_for_window(HELP_WIN_WIDTH, g_max_col));
help_panel = new_panel(help_win);
top_panel(help_panel);
update_panels();
doupdate();
box(help_win, 0, 0);
/* Header */
print_in_middle(help_win, row, header_footer_col, HELP_WIN_WIDTH, "HELP", COLOR_PAIR(3));
mvwhline(help_win, 2, 1, ACS_HLINE, HELP_WIN_WIDTH - 2);
mvwaddch(help_win, 2, HELP_WIN_WIDTH, ACS_RTEE);
row = 3;
/* Content */
print_left(help_win, row, col, HELP_WIN_WIDTH, "MENU options", COLOR_PAIR(5));
print_left(help_win, ++row, ++col, HELP_WIN_WIDTH, "[q] Quit - quit this application",
COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[Tab] Next tab - switch to next tab", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[1-3] Select tab - switch to THREADS, POLLERS or CORES tab", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[PgUp] Previous page - scroll up to previous page", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[PgDown] Next page - scroll down to next page", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[Up] Arrow key - go to previous data row", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[Down] Arrow key - go to next data row", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[c] Columns - choose data columns to display", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[s] Sorting - change sorting by column", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[r] Refresh rate - set refresh rate <0, 255> in seconds", COLOR_PAIR(10));
print_left(help_win, ++row, desc_second_row_col, HELP_WIN_WIDTH, "that value in seconds",
COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[Enter] Item details - show current data row details (Enter to open, Esc to close)",
COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[t] Total/Interval - switch to display data measured from the start of SPDK", COLOR_PAIR(10));
print_left(help_win, ++row, desc_second_row_col, HELP_WIN_WIDTH,
"application or last refresh", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH, "[h] Help - show this help window",
COLOR_PAIR(10));
/* Footer */
mvwhline(help_win, HELP_WIN_HEIGHT - 3, 1, ACS_HLINE, HELP_WIN_WIDTH - 2);
mvwaddch(help_win, HELP_WIN_HEIGHT - 3, HELP_WIN_WIDTH, ACS_RTEE);
print_in_middle(help_win, HELP_WIN_HEIGHT - 2, header_footer_col, HELP_WIN_WIDTH,
"[Esc] Close this window", COLOR_PAIR(10));
refresh();
wrefresh(help_win);
while (!stop_loop) {
c = wgetch(help_win);
switch (c) {
case 27: /* ESC */
stop_loop = true;
break;
default:
break;
}
}
del_panel(help_panel);
delwin(help_win);
}
static void
show_stats(pthread_t *data_thread)
{
const int CURRENT_PAGE_STR_LEN = 50;
long int time_last, time_dif;
struct timespec time_now;
int c;
int max_row, max_col;
uint8_t active_tab = THREADS_TAB;
uint8_t current_page = 0;
uint8_t max_pages = 1;
uint16_t required_size = WINDOW_HEADER + 1;
uint64_t i;
char current_page_str[CURRENT_PAGE_STR_LEN];
bool force_refresh = true;
clock_gettime(CLOCK_REALTIME, &time_now);
time_last = time_now.tv_sec;
switch_tab(THREADS_TAB);
while (1) {
/* Check if interface has to be resized (terminal size changed) */
getmaxyx(stdscr, max_row, max_col);
if (max_row != g_max_row || max_col != g_max_col) {
g_max_row = spdk_max(max_row, required_size);
g_max_col = max_col;
g_data_win_size = g_max_row - required_size + 1;
g_max_data_rows = g_max_row - WINDOW_HEADER;
resize_interface(active_tab);
}
clock_gettime(CLOCK_REALTIME, &time_now);
time_dif = time_now.tv_sec - time_last;
if (time_dif < 0) {
time_dif = g_sleep_time;
}
if (time_dif >= g_sleep_time || force_refresh) {
time_last = time_now.tv_sec;
pthread_mutex_lock(&g_thread_lock);
max_pages = refresh_tab(active_tab, current_page);
pthread_mutex_unlock(&g_thread_lock);
snprintf(current_page_str, CURRENT_PAGE_STR_LEN - 1, "Page: %d/%d", current_page + 1, max_pages);
mvprintw(g_max_row - 1, 1, current_page_str);
refresh();
}
c = getch();
if (c == 'q') {
pthread_mutex_lock(&g_thread_lock);
g_quit_app = true;
pthread_mutex_unlock(&g_thread_lock);
break;
}
force_refresh = true;
switch (c) {
case '1':
case '2':
case '3':
active_tab = c - '1';
current_page = 0;
g_selected_row = 0;
switch_tab(active_tab);
break;
case '\t':
if (active_tab < NUMBER_OF_TABS - 1) {
active_tab++;
} else {
active_tab = THREADS_TAB;
}
g_selected_row = 0;
current_page = 0;
switch_tab(active_tab);
break;
case 's':
change_sorting(active_tab);
break;
case 'c':
filter_columns(active_tab);
break;
case 'r':
change_refresh_rate();
break;
case 't':
g_interval_data = !g_interval_data;
break;
case KEY_NPAGE: /* PgDown */
if (current_page + 1 < max_pages) {
current_page++;
}
wclear(g_tabs[active_tab]);
g_selected_row = 0;
draw_tabs(active_tab, g_current_sort_col[active_tab]);
break;
case KEY_PPAGE: /* PgUp */
if (current_page > 0) {
current_page--;
}
wclear(g_tabs[active_tab]);
g_selected_row = 0;
draw_tabs(active_tab, g_current_sort_col[active_tab]);
break;
case KEY_UP: /* Arrow up */
if (g_selected_row > 0) {
g_selected_row--;
}
break;
case KEY_DOWN: /* Arrow down */
if (g_selected_row < g_max_selected_row) {
g_selected_row++;
}
break;
case 10: /* Enter */
if (active_tab == THREADS_TAB) {
show_thread(current_page);
} else if (active_tab == CORES_TAB) {
show_core(current_page);
} else if (active_tab == POLLERS_TAB) {
show_poller(current_page);
}
break;
case 'h':
help_window_display();
break;
default:
force_refresh = false;
break;
}
}
pthread_join(*data_thread, NULL);
free_poller_history();
/* Free memory holding current data states before quitting application */
for (i = 0; i < g_last_pollers_count; i++) {
free_rpc_poller(&g_pollers_info[i]);
}
for (i = 0; i < g_last_threads_count; i++) {
free_rpc_threads_stats(&g_threads_info[i]);
}
free_rpc_core_info(g_cores_info, g_last_cores_count);
}
static void
draw_interface(void)
{
int i;
uint16_t required_size = WINDOW_HEADER + 1;
getmaxyx(stdscr, g_max_row, g_max_col);
g_max_row = spdk_max(g_max_row, required_size);
g_data_win_size = g_max_row - required_size;
g_max_data_rows = g_max_row - WINDOW_HEADER;
g_menu_win = newwin(MENU_WIN_HEIGHT, g_max_col, g_max_row - MENU_WIN_HEIGHT - 1,
MENU_WIN_LOCATION_COL);
assert(g_menu_win != NULL);
draw_menu_win();
for (i = 0; i < NUMBER_OF_TABS; i++) {
g_tab_win[i] = newwin(TAB_WIN_HEIGHT, g_max_col / NUMBER_OF_TABS - TABS_SPACING,
TAB_WIN_LOCATION_ROW, g_max_col / NUMBER_OF_TABS * i + 1);
assert(g_tab_win[i] != NULL);
draw_tab_win(i);
g_tabs[i] = newwin(g_max_row - MENU_WIN_HEIGHT - TAB_WIN_HEIGHT - 2, g_max_col, TABS_LOCATION_ROW,
TABS_LOCATION_COL);
draw_tabs(i, g_current_sort_col[i]);
g_panels[i] = new_panel(g_tabs[i]);
assert(g_panels[i] != NULL);
}
update_panels();
doupdate();
}
static void
finish(int sig)
{
/* End ncurses mode */
endwin();
spdk_jsonrpc_client_close(g_rpc_client);
exit(0);
}
static void
setup_ncurses(void)
{
clear();
noecho();
timeout(1);
curs_set(0);
keypad(stdscr, TRUE);
start_color();
init_pair(1, COLOR_BLACK, COLOR_GREEN);
init_pair(2, COLOR_BLACK, COLOR_WHITE);
init_pair(3, COLOR_YELLOW, COLOR_BLACK);
init_pair(4, COLOR_BLACK, COLOR_YELLOW);
init_pair(5, COLOR_GREEN, COLOR_BLACK);
init_pair(6, COLOR_RED, COLOR_BLACK);
init_pair(7, COLOR_BLUE, COLOR_BLACK);
init_pair(8, COLOR_RED, COLOR_WHITE);
init_pair(9, COLOR_BLUE, COLOR_WHITE);
init_pair(10, COLOR_WHITE, COLOR_BLACK);
if (has_colors() == FALSE) {
endwin();
printf("Your terminal does not support color\n");
exit(1);
}
/* Handle signals to exit gracfully cleaning up ncurses */
(void) signal(SIGINT, finish);
(void) signal(SIGPIPE, finish);
(void) signal(SIGABRT, finish);
}
static void
usage(const char *program_name)
{
printf("%s [options]", program_name);
printf("\n");
printf("options:\n");
printf(" -r <path> RPC connect address (default: /var/tmp/spdk.sock)\n");
printf(" -h show this usage\n");
}
static int
rpc_decode_tick_rate(struct spdk_json_val *val, uint64_t *tick_rate)
{
struct t_rate {
uint64_t tr;
};
const struct spdk_json_object_decoder rpc_tick_rate_decoder[] = {
{"tick_rate", offsetof(struct t_rate, tr), spdk_json_decode_uint64}
};
int rc;
struct t_rate tmp;
rc = spdk_json_decode_object_relaxed(val, rpc_tick_rate_decoder,
SPDK_COUNTOF(rpc_tick_rate_decoder), &tmp);
*tick_rate = tmp.tr;
return rc;
}
static int
wait_init(pthread_t *data_thread)
{
struct spdk_jsonrpc_client_response *json_resp = NULL;
char *uninit_log = "Waiting for SPDK target application to initialize...",
*uninit_error = "Unable to read SPDK application state!";
int c, max_col, rc = 0;
uint64_t tick_rate;
max_col = getmaxx(stdscr);
print_in_middle(stdscr, FIRST_DATA_ROW, 1, max_col, uninit_log, COLOR_PAIR(5));
rc = rpc_send_req("framework_wait_init", &json_resp);
if (rc) {
while (1) {
print_in_middle(stdscr, FIRST_DATA_ROW, 1, max_col, uninit_error, COLOR_PAIR(8));
c = getch();
if (c == 'q') {
return -1;
}
}
}
spdk_jsonrpc_client_free_response(json_resp);
rc = pthread_mutex_init(&g_thread_lock, NULL);
if (rc) {
fprintf(stderr, "mutex lock failed to initialize: %d\n", errno);
return -1;
}
memset(&g_threads_info, 0, sizeof(struct rpc_thread_info) * RPC_MAX_THREADS);
memset(&g_cores_info, 0, sizeof(struct rpc_core_info) * RPC_MAX_CORES);
/* Decode tick rate */
rc = rpc_send_req("framework_get_reactors", &json_resp);
if (rc) {
return rc;
}
if (rpc_decode_tick_rate(json_resp->result, &tick_rate)) {
spdk_jsonrpc_client_free_response(json_resp);
return -EINVAL;
}
spdk_jsonrpc_client_free_response(json_resp);
g_tick_rate = tick_rate;
/* This is to get first batch of data for display functions.
* Since data thread makes RPC calls that take more time than
* startup of display functions on main thread, without these
* calls both threads would be subject to a race condition. */
rc = get_thread_data();
if (rc) {
return -1;
}
rc = get_pollers_data();
if (rc) {
return -1;
}
rc = get_cores_data();
if (rc) {
return -1;
}
rc = pthread_create(data_thread, NULL, &data_thread_routine, NULL);
if (rc) {
fprintf(stderr, "data thread creation failed: %d\n", errno);
return -1;
}
return 0;
}
int main(int argc, char **argv)
{
int op, rc;
char *socket = SPDK_DEFAULT_RPC_ADDR;
pthread_t data_thread;
while ((op = getopt(argc, argv, "r:h")) != -1) {
switch (op) {
case 'r':
socket = optarg;
break;
default:
usage(argv[0]);
return op == 'h' ? 0 : 1;
}
}
g_rpc_client = spdk_jsonrpc_client_connect(socket, AF_UNIX);
if (!g_rpc_client) {
fprintf(stderr, "spdk_jsonrpc_client_connect() failed: %d\n", errno);
return 1;
}
initscr();
init_str_len();
setup_ncurses();
draw_interface();
rc = wait_init(&data_thread);
if (!rc) {
show_stats(&data_thread);
}
finish(0);
return (0);
}