Commit f76d16ef authored by Ziye Yang's avatar Ziye Yang Committed by Jim Harris
Browse files

nvme/perf: enable the trace for nvme perf 



The puprose is to print some trace info. We support
it in nvme identitfy. Also -L is occupied by other usage,
so we use -T instead.

Signed-off-by: default avatarZiye Yang <ziye.yang@intel.com>
Change-Id: I29f018c2a5951e5e3aad04dbeaa7ee74a2d7e3f4
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/469919


Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent 23975858

examples/nvme/perf/perf.c

+19 −1
Original line number Diff line number Diff line
@@ -1126,6 +1126,8 @@ static void usage(char *program_name) 
	printf("\t[-m max completions per poll]\n");

	printf("\t\t(default: 0 - unlimited)\n");

	printf("\t[-i shared memory group ID]\n");

	printf("\t");

	spdk_log_usage(stdout, "-T");

	printf("\t[-V enable VMD enumeration]\n");

#ifdef DEBUG

	printf("\t[-G enable debug logging]\n");
@@ -1534,6 +1536,7 @@ parse_args(int argc, char **argv) 
	int op;

	bool mix_specified = false;

	long int val;

	int rc;



	/* default value */

	g_queue_depth = 0;
@@ -1544,7 +1547,7 @@ parse_args(int argc, char **argv) 
	g_core_mask = NULL;

	g_max_completions = 0;



	while ((op = getopt(argc, argv, "c:e:i:lm:n:o:q:r:k:s:t:w:DGHILM:NU:V")) != -1) {

	while ((op = getopt(argc, argv, "c:e:i:lm:n:o:q:r:k:s:t:w:DGHILM:NT:U:V")) != -1) {

		switch (op) {

		case 'i':

		case 'm':
@@ -1642,6 +1645,21 @@ parse_args(int argc, char **argv) 
		case 'N':

			g_no_shn_notification = true;

			break;

		case 'T':

			rc = spdk_log_set_flag(optarg);

			if (rc < 0) {

				fprintf(stderr, "unknown flag\n");

				usage(argv[0]);

				exit(EXIT_FAILURE);

			}

			spdk_log_set_print_level(SPDK_LOG_DEBUG);

#ifndef DEBUG

			fprintf(stderr, "%s must be rebuilt with CONFIG_DEBUG=y for -T flag.\n",

				argv[0]);

			usage(argv[0]);

			return 0;

#endif

			break;

		case 'V':

			g_vmd = true;

			break;