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authorIngo Molnar <mingo@elte.hu>2009-06-03 13:36:07 -0400
committerIngo Molnar <mingo@elte.hu>2009-06-03 13:36:07 -0400
commit44db76c8553c328f4ae02481d77bb3a88ca17645 (patch)
tree048acfb361233b83af2d9a5f3ca079c5b4929fee /Documentation
parente98e96fe43ae92fad0930f05fb2b298e49b9f3b5 (diff)
perf stat: Print out all arguments
Before: Performance counter stats for '/home/mingo/hackbench': After: Performance counter stats for '/home/mingo/hackbench 10': Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/perf_counter/builtin-stat.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/perf_counter/builtin-stat.c b/Documentation/perf_counter/builtin-stat.c
index 2357a663b675..4fc0d80440e7 100644
--- a/Documentation/perf_counter/builtin-stat.c
+++ b/Documentation/perf_counter/builtin-stat.c
@@ -228,6 +228,7 @@ static int do_perfstat(int argc, const char **argv)
228 int counter; 228 int counter;
229 int status; 229 int status;
230 int pid; 230 int pid;
231 int i;
231 232
232 if (!system_wide) 233 if (!system_wide)
233 nr_cpus = 1; 234 nr_cpus = 1;
@@ -243,14 +244,17 @@ static int do_perfstat(int argc, const char **argv)
243 244
244 if ((pid = fork()) < 0) 245 if ((pid = fork()) < 0)
245 perror("failed to fork"); 246 perror("failed to fork");
247
246 if (!pid) { 248 if (!pid) {
247 if (execvp(argv[0], (char **)argv)) { 249 if (execvp(argv[0], (char **)argv)) {
248 perror(argv[0]); 250 perror(argv[0]);
249 exit(-1); 251 exit(-1);
250 } 252 }
251 } 253 }
254
252 while (wait(&status) >= 0) 255 while (wait(&status) >= 0)
253 ; 256 ;
257
254 prctl(PR_TASK_PERF_COUNTERS_DISABLE); 258 prctl(PR_TASK_PERF_COUNTERS_DISABLE);
255 t1 = rdclock(); 259 t1 = rdclock();
256 260
@@ -259,8 +263,12 @@ static int do_perfstat(int argc, const char **argv)
259 fflush(stdout); 263 fflush(stdout);
260 264
261 fprintf(stderr, "\n"); 265 fprintf(stderr, "\n");
262 fprintf(stderr, " Performance counter stats for \'%s\':\n", 266 fprintf(stderr, " Performance counter stats for \'%s", argv[0]);
263 argv[0]); 267
268 for (i = 1; i < argc; i++)
269 fprintf(stderr, " %s", argv[i]);
270
271 fprintf(stderr, "\':\n");
264 fprintf(stderr, "\n"); 272 fprintf(stderr, "\n");
265 273
266 for (counter = 0; counter < nr_counters; counter++) 274 for (counter = 0; counter < nr_counters; counter++)