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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)
memset(&params, 0, sizeof(params));
}
+static void pr_err_with_code(const char *msg, int err)
+{
+ pr_err("%s", msg);
+ pr_debug(" Reason: %s (Code: %d)", strerror(-err), err);
+ pr_err("\n");
+}
+
static int
__cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
{
@@ -379,7 +386,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
}
ret = parse_probe_event_argv(argc, argv);
if (ret < 0) {
- pr_err(" Error: Parse Error. (%d)\n", ret);
+ pr_err_with_code(" Error: Command Parse Error.", ret);
return ret;
}
}
@@ -419,8 +426,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
}
ret = show_perf_probe_events();
if (ret < 0)
- pr_err(" Error: Failed to show event list. (%d)\n",
- ret);
+ pr_err_with_code(" Error: Failed to show event list.", ret);
return ret;
}
if (params.show_funcs) {
@@ -445,8 +451,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
strfilter__delete(params.filter);
params.filter = NULL;
if (ret < 0)
- pr_err(" Error: Failed to show functions."
- " (%d)\n", ret);
+ pr_err_with_code(" Error: Failed to show functions.", ret);
return ret;
}
@@ -464,7 +469,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
ret = show_line_range(&params.line_range, params.target);
if (ret < 0)
- pr_err(" Error: Failed to show lines. (%d)\n", ret);
+ pr_err_with_code(" Error: Failed to show lines.", ret);
return ret;
}
if (params.show_vars) {
@@ -485,7 +490,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
strfilter__delete(params.filter);
params.filter = NULL;
if (ret < 0)
- pr_err(" Error: Failed to show vars. (%d)\n", ret);
+ pr_err_with_code(" Error: Failed to show vars.", ret);
return ret;
}
#endif
@@ -493,7 +498,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
if (params.dellist) {
ret = del_perf_probe_events(params.dellist);
if (ret < 0) {
- pr_err(" Error: Failed to delete events. (%d)\n", ret);
+ pr_err_with_code(" Error: Failed to delete events.", ret);
return ret;
}
}
@@ -504,7 +509,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
params.target,
params.force_add);
if (ret < 0) {
- pr_err(" Error: Failed to add events. (%d)\n", ret);
+ pr_err_with_code(" Error: Failed to add events.", ret);
return ret;
}
}

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