aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/perf.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/perf.c')
-rw-r--r--tools/perf/perf.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 95c58fc15284..eed3fb2a3af0 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -13,11 +13,12 @@
13#include "util/quote.h" 13#include "util/quote.h"
14#include "util/run-command.h" 14#include "util/run-command.h"
15#include "util/parse-events.h" 15#include "util/parse-events.h"
16#include "util/debug.h"
16#include <api/fs/debugfs.h> 17#include <api/fs/debugfs.h>
17#include <pthread.h> 18#include <pthread.h>
18 19
19const char perf_usage_string[] = 20const char perf_usage_string[] =
20 "perf [--version] [--help] COMMAND [ARGS]"; 21 "perf [--version] [--debug variable[=VALUE]] [--help] COMMAND [ARGS]";
21 22
22const char perf_more_info_string[] = 23const char perf_more_info_string[] =
23 "See 'perf help COMMAND' for more information on a specific command."; 24 "See 'perf help COMMAND' for more information on a specific command.";
@@ -212,6 +213,16 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
212 printf("%s ", p->cmd); 213 printf("%s ", p->cmd);
213 } 214 }
214 exit(0); 215 exit(0);
216 } else if (!strcmp(cmd, "--debug")) {
217 if (*argc < 2) {
218 fprintf(stderr, "No variable specified for --debug.\n");
219 usage(perf_usage_string);
220 }
221 if (perf_debug_option((*argv)[1]))
222 usage(perf_usage_string);
223
224 (*argv)++;
225 (*argc)--;
215 } else { 226 } else {
216 fprintf(stderr, "Unknown option: %s\n", cmd); 227 fprintf(stderr, "Unknown option: %s\n", cmd);
217 usage(perf_usage_string); 228 usage(perf_usage_string);