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bdevperf: enable multi-core running for less bdevs

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If number of bdev is smaller than number of configured
cores, the bdevperf tool will exit abnormally.

Change-Id: I88e08d1bc71af8b927c701c80f6ddd2bf22c659c
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/469669
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
GangCao 2019-09-27 17:16:56 -04:00 committed by Jim Harris
parent 31e77a7331
commit a424dcbcc6
1 changed files with 3 additions and 2 deletions
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5
test/bdev/bdevperf/bdevperf.c
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@ -113,7 +113,7 @@ struct io_target {
struct io_target **g_head; struct io_target **g_head;
uint32_t *g_coremap; uint32_t *g_coremap;
static int g_target_count = 0; static uint32_t g_target_count = 0;
/* /*
* Used to determine how the I/O buffers should be aligned. * Used to determine how the I/O buffers should be aligned.
@ -1252,6 +1252,7 @@ bdevperf_test(void)
struct io_target *target; struct io_target *target;
struct spdk_event *event; struct spdk_event *event;
int rc; int rc;
uint32_t core_count = spdk_min(g_target_count, spdk_env_get_core_count());
rc = bdevperf_construct_targets_tasks(); rc = bdevperf_construct_targets_tasks();
if (rc) { if (rc) {
@ -1269,7 +1270,7 @@ bdevperf_test(void)
} }
/* Send events to start all I/O */ /* Send events to start all I/O */
for (i = 0; i < spdk_env_get_core_count(); i++) { for (i = 0; i < core_count; i++) {
target = g_head[i]; target = g_head[i];
if (target == NULL) { if (target == NULL) {
return -1; return -1;