Commit 3f2002ea authored by Jim Harris's avatar Jim Harris Committed by Tomasz Zawadzki
Browse files

nvme/perf: store master core as global variable 



This will be used in a future patch.

Signed-off-by: default avatarJim Harris <james.r.harris@intel.com>
Change-Id: Ie88daa20842f5f166b4a7a5abccafd6683d6da64

Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/473338


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarAlexey Marchuk <alexeymar@mellanox.com>
parent 437dce1a

examples/nvme/perf/perf.c

+3 −3
Original line number Diff line number Diff line
@@ -194,6 +194,7 @@ static struct ns_entry *g_namespaces = NULL; 
static int g_num_namespaces = 0;

static struct worker_thread *g_workers = NULL;

static int g_num_workers = 0;

static uint32_t g_master_core;



static uint64_t g_tsc_rate;
@@ -1993,7 +1994,6 @@ int main(int argc, char **argv) 
{

	int rc;

	struct worker_thread *worker, *master_worker;

	unsigned master_core;

	struct spdk_env_opts opts;

	pthread_t thread_id = 0;
@@ -2063,11 +2063,11 @@ int main(int argc, char **argv) 
	printf("Initialization complete. Launching workers.\n");



	/* Launch all of the slave workers */

	master_core = spdk_env_get_current_core();

	g_master_core = spdk_env_get_current_core();

	master_worker = NULL;

	worker = g_workers;

	while (worker != NULL) {

		if (worker->lcore != master_core) {

		if (worker->lcore != g_master_core) {

			spdk_env_thread_launch_pinned(worker->lcore, work_fn, worker);

		} else {

			assert(master_worker == NULL);