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;
                 }
         }