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-rw-r--r--tools/perf/builtin-probe.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index cdcd4eb3a57d..c63fa2925075 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -288,6 +288,13 @@ static void cleanup_params(void)
288 memset(&params, 0, sizeof(params)); 288 memset(&params, 0, sizeof(params));
289} 289}
290 290
291static void pr_err_with_code(const char *msg, int err)
292{
293 pr_err("%s", msg);
294 pr_debug(" Reason: %s (Code: %d)", strerror(-err), err);
295 pr_err("\n");
296}
297
291static int 298static int
292__cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) 299__cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
293{ 300{
@@ -379,7 +386,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
379 } 386 }
380 ret = parse_probe_event_argv(argc, argv); 387 ret = parse_probe_event_argv(argc, argv);
381 if (ret < 0) { 388 if (ret < 0) {
382 pr_err(" Error: Parse Error. (%d)\n", ret); 389 pr_err_with_code(" Error: Command Parse Error.", ret);
383 return ret; 390 return ret;
384 } 391 }
385 } 392 }
@@ -419,8 +426,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
419 } 426 }
420 ret = show_perf_probe_events(); 427 ret = show_perf_probe_events();
421 if (ret < 0) 428 if (ret < 0)
422 pr_err(" Error: Failed to show event list. (%d)\n", 429 pr_err_with_code(" Error: Failed to show event list.", ret);
423 ret);
424 return ret; 430 return ret;
425 } 431 }
426 if (params.show_funcs) { 432 if (params.show_funcs) {
@@ -445,8 +451,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
445 strfilter__delete(params.filter); 451 strfilter__delete(params.filter);
446 params.filter = NULL; 452 params.filter = NULL;
447 if (ret < 0) 453 if (ret < 0)
448 pr_err(" Error: Failed to show functions." 454 pr_err_with_code(" Error: Failed to show functions.", ret);
449 " (%d)\n", ret);
450 return ret; 455 return ret;
451 } 456 }
452 457
@@ -464,7 +469,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
464 469
465 ret = show_line_range(&params.line_range, params.target); 470 ret = show_line_range(&params.line_range, params.target);
466 if (ret < 0) 471 if (ret < 0)
467 pr_err(" Error: Failed to show lines. (%d)\n", ret); 472 pr_err_with_code(" Error: Failed to show lines.", ret);
468 return ret; 473 return ret;
469 } 474 }
470 if (params.show_vars) { 475 if (params.show_vars) {
@@ -485,7 +490,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
485 strfilter__delete(params.filter); 490 strfilter__delete(params.filter);
486 params.filter = NULL; 491 params.filter = NULL;
487 if (ret < 0) 492 if (ret < 0)
488 pr_err(" Error: Failed to show vars. (%d)\n", ret); 493 pr_err_with_code(" Error: Failed to show vars.", ret);
489 return ret; 494 return ret;
490 } 495 }
491#endif 496#endif
@@ -493,7 +498,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
493 if (params.dellist) { 498 if (params.dellist) {
494 ret = del_perf_probe_events(params.dellist); 499 ret = del_perf_probe_events(params.dellist);
495 if (ret < 0) { 500 if (ret < 0) {
496 pr_err(" Error: Failed to delete events. (%d)\n", ret); 501 pr_err_with_code(" Error: Failed to delete events.", ret);
497 return ret; 502 return ret;
498 } 503 }
499 } 504 }
@@ -504,7 +509,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
504 params.target, 509 params.target,
505 params.force_add); 510 params.force_add);
506 if (ret < 0) { 511 if (ret < 0) {
507 pr_err(" Error: Failed to add events. (%d)\n", ret); 512 pr_err_with_code(" Error: Failed to add events.", ret);
508 return ret; 513 return ret;
509 } 514 }
510 } 515 }