spdk_top: Add ncurses interface
Signed-off-by: Maciej Szwed <maciej.szwed@intel.com> Change-Id: I18a6c18048e73399deb1cc624bbad38a3b5570a1 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1057 Community-CI: Mellanox Build Bot Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Maciej Szwed
Tomasz Zawadzki
parent
68731c59d7
commit
95648eb763
@ -39,5 +39,6 @@ APP = spdk_top
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C_SRCS := spdk_top.c
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SPDK_LIB_LIST = jsonrpc json rpc log util
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LIBS=-lncurses -lpanel
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include $(SPDK_ROOT_DIR)/mk/spdk.app.mk
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@ -36,11 +36,41 @@
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#include "spdk/rpc.h"
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#include "spdk/event.h"
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#include "spdk/util.h"
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#include "spdk/env.h"
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#include <ncurses.h>
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#include <panel.h>
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#define RPC_MAX_THREADS 1024
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#define RPC_MAX_POLLERS 1024
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#define MAX_STRING_LEN 12289 /* 3x 4k monitors + 1 */
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#define TAB_WIN_HEIGHT 3
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#define TAB_WIN_LOCATION_ROW 1
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#define TABS_SPACING 2
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#define TABS_LOCATION_ROW 4
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#define TABS_LOCATION_COL 0
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#define TABS_DATA_START_ROW 3
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#define TABS_DATA_START_COL 3
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#define MENU_WIN_HEIGHT 3
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#define MENU_WIN_SPACING 4
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#define MENU_WIN_LOCATION_COL 0
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enum tabs {
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THREADS_TAB,
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POLLERS_TAB,
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CORES_TAB,
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NUMBER_OF_TABS,
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};
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const char *g_tab_title[NUMBER_OF_TABS] = {"[1] THREADS", "[2] POLLERS", "[3] CORES"};
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struct spdk_jsonrpc_client *g_rpc_client;
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WINDOW *g_menu_win, *g_tab_win[NUMBER_OF_TABS], *g_tabs[NUMBER_OF_TABS];
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PANEL *g_tab_panels[NUMBER_OF_TABS];
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uint16_t g_max_row, g_max_col;
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uint16_t g_data_win_size;
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uint32_t g_last_threads_count, g_last_pollers_count, g_last_cores_count;
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struct rpc_thread_info {
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char *name;
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@ -255,19 +285,16 @@ rpc_send_req(char *rpc_name, struct spdk_jsonrpc_client_response **resp)
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} while (rc == 0 || rc == -ENOTCONN);
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if (rc <= 0) {
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printf("Failed to get response: %d\n", rc);
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return -1;
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}
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json_resp = spdk_jsonrpc_client_get_response(g_rpc_client);
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if (json_resp == NULL) {
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printf("spdk_jsonrpc_client_get_response() failed\n");
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return -1;
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}
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/* Check for error response */
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if (json_resp->error != NULL) {
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printf("Unexpected error response\n");
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return -1;
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}
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@ -324,6 +351,303 @@ free_data(void)
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free_rpc_pollers_stats(&g_pollers_stats);
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}
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static void
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print_max_len(WINDOW *win, uint16_t row, uint16_t col, const char *string)
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{
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int len, max_col;
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int max_row __attribute__((unused));
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len = strlen(string);
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getmaxyx(win, max_row, max_col);
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assert(row < max_row);
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/* Check if provided string position limit + "..." exceeds screen width */
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if (col + 3 > max_col) {
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col = max_col - 4;
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}
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if (col + len > max_col - 1) {
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char tmp_str[MAX_STRING_LEN];
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snprintf(tmp_str, max_col - col - 3, "%s", string);
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snprintf(&tmp_str[max_col - col - 4], 4, "...");
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mvwprintw(win, row, col, tmp_str);
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} else {
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mvwprintw(win, row, col, string);
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}
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refresh();
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wrefresh(win);
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}
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static void
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draw_menu_win(void)
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{
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wbkgd(g_menu_win, COLOR_PAIR(2));
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box(g_menu_win, 0, 0);
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print_max_len(g_menu_win, 1, 1,
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" [q] Quit | [1-3] TAB selection | [PgUp] Previous page | [PgDown] Next page | [f] Filters | [s] Sorting");
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}
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static void
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draw_tab_win(enum tabs tab)
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{
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uint16_t col;
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uint8_t white_spaces = TABS_SPACING * NUMBER_OF_TABS;
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wbkgd(g_tab_win[tab], COLOR_PAIR(2));
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box(g_tab_win[tab], 0, 0);
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col = ((g_max_col - white_spaces) / NUMBER_OF_TABS / 2) - (strlen(g_tab_title[tab]) / 2) -
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TABS_SPACING;
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print_max_len(g_tab_win[tab], 1, col, g_tab_title[tab]);
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}
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static void
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draw_tabs(enum tabs tab)
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{
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static const char *desc[NUMBER_OF_TABS] = {" Thread name | Active pollers | Timed pollers | Paused pollers ",
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" Poller name | Type | On thread ",
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" Core mask "
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};
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print_max_len(g_tabs[tab], 1, 1, desc[tab]);
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print_max_len(g_tabs[tab], 2, 1, ""); /* Move to next line */
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whline(g_tabs[tab], ACS_HLINE, MAX_STRING_LEN);
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box(g_tabs[tab], 0, 0);
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wrefresh(g_tabs[tab]);
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}
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static void
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resize_interface(enum tabs tab)
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{
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int i;
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clear();
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wclear(g_menu_win);
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mvwin(g_menu_win, g_max_row - MENU_WIN_SPACING, MENU_WIN_LOCATION_COL);
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wresize(g_menu_win, MENU_WIN_HEIGHT, g_max_col);
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draw_menu_win();
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for (i = 0; i < NUMBER_OF_TABS; i++) {
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wclear(g_tabs[i]);
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wresize(g_tabs[i], g_max_row - MENU_WIN_HEIGHT - TAB_WIN_HEIGHT - 2, g_max_col);
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mvwin(g_tabs[i], TABS_LOCATION_ROW, TABS_LOCATION_COL);
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draw_tabs(i);
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}
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draw_tabs(tab);
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for (i = 0; i < NUMBER_OF_TABS; i++) {
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wclear(g_tab_win[i]);
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wresize(g_tab_win[i], TAB_WIN_HEIGHT,
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(g_max_col - (TABS_SPACING * NUMBER_OF_TABS)) / NUMBER_OF_TABS);
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mvwin(g_tab_win[i], TAB_WIN_LOCATION_ROW, 1 + (g_max_col / NUMBER_OF_TABS) * i);
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draw_tab_win(i);
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}
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update_panels();
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doupdate();
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}
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static void
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switch_tab(enum tabs tab)
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{
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top_panel(g_tab_panels[tab]);
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update_panels();
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doupdate();
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}
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static void
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refresh_threads_tab(void)
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{
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uint64_t i;
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uint16_t j;
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/* Clear screen if number of threads changed */
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if (g_last_threads_count != g_threads_stats.threads.threads_count) {
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for (i = TABS_DATA_START_ROW; i < g_data_win_size; i++) {
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for (j = 1; j < g_max_col - 1; j++) {
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mvwprintw(g_tabs[THREADS_TAB], i, j, " ");
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}
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}
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g_last_threads_count = g_threads_stats.threads.threads_count;
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}
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for (i = 0; i < g_threads_stats.threads.threads_count; i++) {
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print_max_len(g_tabs[THREADS_TAB], TABS_DATA_START_ROW + i, TABS_DATA_START_COL,
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g_threads_stats.threads.thread_info[i].name);
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}
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}
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static void
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print_pollers(struct rpc_pollers *pollers, uint64_t pollers_count, uint16_t *current_line)
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{
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uint64_t i;
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for (i = 0; i < pollers_count; i++) {
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print_max_len(g_tabs[POLLERS_TAB], (*current_line)++, TABS_DATA_START_COL,
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pollers->pollers[i].name);
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}
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}
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static void
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refresh_pollers_tab(void)
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{
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struct rpc_poller_thread_info *thread;
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uint64_t i, pollers_count = 0;
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uint16_t j, current_line = TABS_DATA_START_ROW;
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for (i = 0; i < g_pollers_stats.pollers_threads.threads_count; i++) {
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thread = &g_pollers_stats.pollers_threads.threads[i];
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pollers_count += thread->active_pollers.pollers_count + thread->timed_pollers.pollers_count +
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thread->paused_pollers.pollers_count;
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}
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/* Clear screen if number of pollers changed */
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if (g_last_pollers_count != pollers_count) {
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for (i = TABS_DATA_START_ROW; i < g_data_win_size; i++) {
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for (j = 1; j < g_max_col - 1; j++) {
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mvwprintw(g_tabs[POLLERS_TAB], i, j, " ");
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}
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}
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g_last_pollers_count = pollers_count;
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}
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for (i = 0; i < g_pollers_stats.pollers_threads.threads_count; i++) {
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thread = &g_pollers_stats.pollers_threads.threads[i];
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print_pollers(&thread->active_pollers, thread->active_pollers.pollers_count, ¤t_line);
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print_pollers(&thread->timed_pollers, thread->timed_pollers.pollers_count, ¤t_line);
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print_pollers(&thread->paused_pollers, thread->paused_pollers.pollers_count, ¤t_line);
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}
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}
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static void
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refresh_cores_tab(void)
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{
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}
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static void
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refresh_tab(enum tabs tab)
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{
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void (*refresh_function[NUMBER_OF_TABS])(void) = {refresh_threads_tab, refresh_pollers_tab, refresh_cores_tab};
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int color_pair[NUMBER_OF_TABS] = {COLOR_PAIR(2), COLOR_PAIR(2), COLOR_PAIR(2)};
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int i;
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color_pair[tab] = COLOR_PAIR(1);
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for (i = 0; i < NUMBER_OF_TABS; i++) {
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wbkgd(g_tab_win[i], color_pair[i]);
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}
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(*refresh_function[tab])();
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refresh();
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for (i = 0; i < NUMBER_OF_TABS; i++) {
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wrefresh(g_tab_win[i]);
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}
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}
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static void
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show_stats(void)
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{
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const char *refresh_error = "ERROR occurred while getting data";
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int c, rc;
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int max_row, max_col;
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uint8_t active_tab = THREADS_TAB;
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switch_tab(THREADS_TAB);
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while (1) {
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/* Check if interface has to be resized (terminal size changed) */
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getmaxyx(stdscr, max_row, max_col);
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if (max_row != g_max_row || max_col != g_max_col) {
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g_max_row = max_row;
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g_max_col = max_col;
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g_data_win_size = g_max_row - MENU_WIN_HEIGHT - TAB_WIN_HEIGHT - TABS_DATA_START_ROW;
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resize_interface(active_tab);
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}
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c = getch();
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if (c == 'q') {
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break;
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}
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switch (c) {
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case '1':
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case '2':
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case '3':
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active_tab = c - '1';
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switch_tab(active_tab);
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break;
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default:
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break;
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}
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rc = get_data();
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if (rc) {
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mvprintw(g_max_row - 1, g_max_col - strlen(refresh_error) - 2, refresh_error);
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}
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refresh_tab(active_tab);
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free_data();
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refresh();
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}
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}
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static void
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draw_interface(void)
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{
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int i;
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getmaxyx(stdscr, g_max_row, g_max_col);
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g_data_win_size = g_max_row - MENU_WIN_HEIGHT - TAB_WIN_HEIGHT - TABS_DATA_START_ROW;
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g_menu_win = newwin(MENU_WIN_HEIGHT, g_max_col, g_max_row - MENU_WIN_HEIGHT - 1,
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MENU_WIN_LOCATION_COL);
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draw_menu_win();
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for (i = 0; i < NUMBER_OF_TABS; i++) {
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g_tab_win[i] = newwin(TAB_WIN_HEIGHT, g_max_col / NUMBER_OF_TABS - TABS_SPACING,
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TAB_WIN_LOCATION_ROW, g_max_col / NUMBER_OF_TABS * i + 1);
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draw_tab_win(i);
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g_tabs[i] = newwin(g_max_row - MENU_WIN_HEIGHT - TAB_WIN_HEIGHT - 2, g_max_col, TABS_LOCATION_ROW,
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TABS_LOCATION_COL);
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draw_tabs(i);
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g_tab_panels[i] = new_panel(g_tabs[i]);
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}
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update_panels();
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doupdate();
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}
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static void
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setup_ncurses(void)
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{
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clear();
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noecho();
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halfdelay(1);
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curs_set(0);
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start_color();
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init_pair(1, COLOR_BLACK, COLOR_GREEN);
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init_pair(2, COLOR_BLACK, COLOR_WHITE);
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if (has_colors() == FALSE) {
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endwin();
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printf("Your terminal does not support color\n");
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exit(1);
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}
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}
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static void
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usage(const char *program_name)
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{
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@ -336,7 +660,7 @@ usage(const char *program_name)
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int main(int argc, char **argv)
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{
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int op, rc;
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int op;
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char *socket = SPDK_DEFAULT_RPC_ADDR;
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while ((op = getopt(argc, argv, "r:h")) != -1) {
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@ -357,14 +681,13 @@ int main(int argc, char **argv)
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return 1;
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}
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rc = get_data();
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if (rc) {
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fprintf(stderr, "Error occurred while getting required data from SPDK: %d\n", rc);
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free_data();
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return 1;
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}
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initscr();
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setup_ncurses();
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draw_interface();
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show_stats();
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free_data();
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/* End curses mode */
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endwin();
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spdk_jsonrpc_client_close(g_rpc_client);
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