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examples/accel_perf: add support for dual cast

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Dual-cast copies the same source to two separate destination buffers.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I0535720b2b167ee8191e90998e55c2d5ac4ce6ef
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2130
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
paul luse 2020-04-30 18:09:17 -04:00 committed by Tomasz Zawadzki
parent a68b315772
commit 0ef079c6e5
1 changed files with 44 additions and 3 deletions
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47
examples/accel/perf/accel_perf.c
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@ -41,6 +41,7 @@
#include "spdk/crc32.h"
#define DATA_PATTERN 0x5a
#define ALIGN_4K 0x1000
static uint64_t g_tsc_rate;
static uint64_t g_tsc_us_rate;
@ -75,6 +76,7 @@ struct worker_thread {
struct ap_task {
void *src;
void *dst;
void *dst2;
struct worker_thread *worker;
int status;
int expected_status; /* used for compare */
@ -119,7 +121,7 @@ usage(void)
printf("\t[-n number of channels]\n");
printf("\t[-o transfer size in bytes]\n");
printf("\t[-t time in seconds]\n");
printf("\t[-w workload type must be one of these: copy, fill, crc32c, compare\n");
printf("\t[-w workload type must be one of these: copy, fill, crc32c, compare, dualcast\n");
printf("\t[-s for crc32c workload, use this seed value (default 0)\n");
printf("\t[-P for compare workload, percentage of operations that should miscompare (percent, default 0)\n");
printf("\t[-y verify result if this switch is on]\n");
@ -157,6 +159,8 @@ parse_args(int argc, char *argv)
g_workload_selection = ACCEL_CRC32C;
} else if (!strcmp(g_workload_type, "compare")) {
g_workload_selection = ACCEL_COMPARE;
} else if (!strcmp(g_workload_type, "dualcast")) {
g_workload_selection = ACCEL_DUALCAST;
}
break;
default:
@ -226,6 +230,11 @@ _submit_single(void *arg1, void *arg2)
worker->ch, task->dst, task->src,
g_xfer_size_bytes, accel_done);
break;
case ACCEL_DUALCAST:
rc = spdk_accel_submit_dualcast(__accel_task_from_ap_task(task),
worker->ch, task->dst, task->dst2,
task->src, g_xfer_size_bytes, accel_done);
break;
default:
assert(false);
break;
@ -263,6 +272,16 @@ _accel_done(void *arg1)
worker->xfer_failed++;
}
break;
case ACCEL_DUALCAST:
if (memcmp(task->src, task->dst, g_xfer_size_bytes)) {
SPDK_NOTICELOG("Data miscompare, first destination\n");
worker->xfer_failed++;
}
if (memcmp(task->src, task->dst2, g_xfer_size_bytes)) {
SPDK_NOTICELOG("Data miscompare, second destination\n");
worker->xfer_failed++;
}
break;
default:
assert(false);
break;
@ -285,6 +304,9 @@ _accel_done(void *arg1)
} else {
spdk_free(task->src);
spdk_free(task->dst);
if (g_workload_selection == ACCEL_DUALCAST) {
spdk_free(task->dst2);
}
spdk_mempool_put(worker->task_pool, task);
}
}
@ -373,6 +395,7 @@ _init_thread(void *arg1)
char task_pool_name[30];
struct ap_task *task;
int i;
uint32_t align = 0;
worker = calloc(1, sizeof(*worker));
if (worker == NULL) {
@ -380,6 +403,13 @@ _init_thread(void *arg1)
return;
}
/* For dualcast, the DSA HW requires 4K alignment on destination addresses but
* we do this for all engines to keep it simple.
*/
if (g_workload_selection == ACCEL_DUALCAST) {
align = ALIGN_4K;
}
worker->core = spdk_env_get_current_core();
worker->thread = spdk_get_thread();
worker->next = g_workers;
@ -420,11 +450,21 @@ _init_thread(void *arg1)
}
memset(task->src, DATA_PATTERN, g_xfer_size_bytes);
task->dst = spdk_dma_zmalloc(g_xfer_size_bytes, 0, NULL);
task->dst = spdk_dma_zmalloc(g_xfer_size_bytes, align, NULL);
if (task->dst == NULL) {
fprintf(stderr, "Unable to alloc dst buffer\n");
return;
}
if (g_workload_selection == ACCEL_DUALCAST) {
task->dst2 = spdk_dma_zmalloc(g_xfer_size_bytes, align, NULL);
if (task->dst2 == NULL) {
fprintf(stderr, "Unable to alloc dst buffer\n");
return;
}
memset(task->dst2, ~DATA_PATTERN, g_xfer_size_bytes);
}
/* For compare we want the buffers to match, otherwise not. */
if (g_workload_selection == ACCEL_COMPARE) {
memset(task->dst, DATA_PATTERN, g_xfer_size_bytes);
@ -494,7 +534,8 @@ main(int argc, char **argv)
if ((g_workload_selection != ACCEL_COPY) &&
(g_workload_selection != ACCEL_FILL) &&
(g_workload_selection != ACCEL_CRC32C) &&
(g_workload_selection != ACCEL_COMPARE)) {
(g_workload_selection != ACCEL_COMPARE) &&
(g_workload_selection != ACCEL_DUALCAST)) {
usage();
rc = -1;
goto cleanup;