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-rw-r--r--tools/perf/builtin-top.c20
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;
static int default_interval = 0;
static bool kptr_restrict_warned;
+static bool vmlinux_warned;
static bool inherit = false;
static int realtime_prio = 0;
static bool group = false;
@@ -754,6 +755,7 @@ static void perf_event__process_sample(const union perf_event *event,
}
if (al.sym == NULL) {
+ const char *msg = "Kernel samples will not be resolved.\n";
/*
* As we do lazy loading of symtabs we only will know if the
* 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,
* --hide-kernel-symbols, even if the user specifies an
* invalid --vmlinux ;-)
*/
- if (al.map == machine->vmlinux_maps[MAP__FUNCTION] &&
+ if (!kptr_restrict_warned && !vmlinux_warned &&
+ al.map == machine->vmlinux_maps[MAP__FUNCTION] &&
RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) {
- ui__warning("The %s file can't be used\n",
- symbol_conf.vmlinux_name);
- exit_browser(0);
- exit(1);
+ if (symbol_conf.vmlinux_name) {
+ ui__warning("The %s file can't be used.\n%s",
+ symbol_conf.vmlinux_name, msg);
+ } else {
+ ui__warning("A vmlinux file was not found.\n%s",
+ msg);
+ }
+
+ if (use_browser <= 0)
+ sleep(5);
+ vmlinux_warned = true;
}
return;