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bdevperf: new parameter to send I/Os to each bdevs from all cores

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Add a new parameter "-C" to allow to send I/Os to all specified
bdevs from all allocated cores. This means any bdev will get I/Os
from all specified cores. This is same logic together with the "-T"
parameter to specify one bdev.

Change-Id: I1e38d49824afe8084fcad72b18649657eb5c50cd
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/470805
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
GangCao 2019-10-09 15:10:17 -04:00 committed by Jim Harris
parent a424dcbcc6
commit 8fbf2b687f
1 changed files with 23 additions and 5 deletions
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28
test/bdev/bdevperf/bdevperf.c
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@ -83,6 +83,7 @@ static bool g_mix_specified;
static const char *g_target_bdev_name;
static bool g_wait_for_tests = false;
static struct spdk_jsonrpc_request *g_request = NULL;
static bool g_every_core_for_each_bdev = false;
static struct spdk_poller *g_perf_timer = NULL;
@ -393,6 +394,13 @@ bdevperf_construct_targets(void)
{
struct spdk_bdev *bdev;
int rc;
uint8_t core_idx, core_count_for_each_bdev;
if (g_every_core_for_each_bdev == false) {
core_count_for_each_bdev = 1;
} else {
core_count_for_each_bdev = spdk_env_get_core_count();
}
if (g_target_bdev_name != NULL) {
bdev = spdk_bdev_get_by_name(g_target_bdev_name);
@ -401,14 +409,21 @@ bdevperf_construct_targets(void)
return;
}
bdevperf_construct_target(bdev);
} else {
bdev = spdk_bdev_first_leaf();
while (bdev != NULL) {
for (core_idx = 0; core_idx < core_count_for_each_bdev; core_idx++) {
rc = bdevperf_construct_target(bdev);
if (rc != 0) {
return;
}
}
} else {
bdev = spdk_bdev_first_leaf();
while (bdev != NULL) {
for (core_idx = 0; core_idx < core_count_for_each_bdev; core_idx++) {
rc = bdevperf_construct_target(bdev);
if (rc != 0) {
return;
}
}
bdev = spdk_bdev_next_leaf(bdev);
}
@ -947,6 +962,7 @@ bdevperf_usage(void)
printf(" -S <period> show performance result in real time every <period> seconds\n");
printf(" -T <target> target bdev\n");
printf(" -z start bdevperf, but wait for RPC to start tests\n");
printf(" -C enable every core to send I/Os to each bdev\n");
}
/*
@ -1369,6 +1385,8 @@ bdevperf_parse_arg(int ch, char *arg)
g_target_bdev_name = optarg;
} else if (ch == 'z') {
g_wait_for_tests = true;
} else if (ch == 'C') {
g_every_core_for_each_bdev = true;
} else {
tmp = spdk_strtoll(optarg, 10);
if (tmp < 0) {
@ -1486,7 +1504,7 @@ main(int argc, char **argv)
g_time_in_sec = 0;
g_mix_specified = false;
if ((rc = spdk_app_parse_args(argc, argv, &opts, "zq:o:t:w:M:P:S:T:", NULL,
if ((rc = spdk_app_parse_args(argc, argv, &opts, "zq:o:t:w:CM:P:S:T:", NULL,
bdevperf_parse_arg, bdevperf_usage)) !=
SPDK_APP_PARSE_ARGS_SUCCESS) {
return rc;