diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/builtin-top.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 472f62790022..f2f3f4937aa2 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c | |||
@@ -81,6 +81,7 @@ static bool use_tui, use_stdio; | |||
81 | static int default_interval = 0; | 81 | static int default_interval = 0; |
82 | 82 | ||
83 | static bool kptr_restrict_warned; | 83 | static bool kptr_restrict_warned; |
84 | static bool vmlinux_warned; | ||
84 | static bool inherit = false; | 85 | static bool inherit = false; |
85 | static int realtime_prio = 0; | 86 | static int realtime_prio = 0; |
86 | static bool group = false; | 87 | static bool group = false; |
@@ -754,6 +755,7 @@ static void perf_event__process_sample(const union perf_event *event, | |||
754 | } | 755 | } |
755 | 756 | ||
756 | if (al.sym == NULL) { | 757 | if (al.sym == NULL) { |
758 | const char *msg = "Kernel samples will not be resolved.\n"; | ||
757 | /* | 759 | /* |
758 | * As we do lazy loading of symtabs we only will know if the | 760 | * As we do lazy loading of symtabs we only will know if the |
759 | * specified vmlinux file is invalid when we actually have a | 761 | * specified vmlinux file is invalid when we actually have a |
@@ -765,12 +767,20 @@ static void perf_event__process_sample(const union perf_event *event, | |||
765 | * --hide-kernel-symbols, even if the user specifies an | 767 | * --hide-kernel-symbols, even if the user specifies an |
766 | * invalid --vmlinux ;-) | 768 | * invalid --vmlinux ;-) |
767 | */ | 769 | */ |
768 | if (al.map == machine->vmlinux_maps[MAP__FUNCTION] && | 770 | if (!kptr_restrict_warned && !vmlinux_warned && |
771 | al.map == machine->vmlinux_maps[MAP__FUNCTION] && | ||
769 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { | 772 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { |
770 | ui__warning("The %s file can't be used\n", | 773 | if (symbol_conf.vmlinux_name) { |
771 | symbol_conf.vmlinux_name); | 774 | ui__warning("The %s file can't be used.\n%s", |
772 | exit_browser(0); | 775 | symbol_conf.vmlinux_name, msg); |
773 | exit(1); | 776 | } else { |
777 | ui__warning("A vmlinux file was not found.\n%s", | ||
778 | msg); | ||
779 | } | ||
780 | |||
781 | if (use_browser <= 0) | ||
782 | sleep(5); | ||
783 | vmlinux_warned = true; | ||
774 | } | 784 | } |
775 | 785 | ||
776 | return; | 786 | return; |