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-rw-r--r--tools/perf/util/probe-event.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index b2a02c9ab8ea..0c24bc7afbca 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -29,6 +29,7 @@
#include "color.h"
#include "map.h"
#include "maps.h"
+#include "mutex.h"
#include "symbol.h"
#include <api/fs/fs.h>
#include "trace-event.h" /* For __maybe_unused */
@@ -180,8 +181,10 @@ struct map *get_target_map(const char *target, struct nsinfo *nsi, bool user)
map = dso__new_map(target);
if (map && map->dso) {
+ mutex_lock(&map->dso->lock);
nsinfo__put(map->dso->nsinfo);
map->dso->nsinfo = nsinfo__get(nsi);
+ mutex_unlock(&map->dso->lock);
}
return map;
} else {
@@ -332,7 +335,7 @@ static int kernel_get_module_dso(const char *module, struct dso **pdso)
char module_name[128];
snprintf(module_name, sizeof(module_name), "[%s]", module);
- map = maps__find_by_name(&host_machine->kmaps, module_name);
+ map = maps__find_by_name(machine__kernel_maps(host_machine), module_name);
if (map) {
dso = map->dso;
goto found;
@@ -1349,7 +1352,7 @@ int parse_line_range_desc(const char *arg, struct line_range *lr)
/*
* Adjust the number of lines here.
* If the number of lines == 1, the
- * the end of line should be equal to
+ * end of line should be equal to
* the start of line.
*/
lr->end--;
@@ -1775,8 +1778,10 @@ int parse_perf_probe_command(const char *cmd, struct perf_probe_event *pev)
if (!pev->event && pev->point.function && pev->point.line
&& !pev->point.lazy_line && !pev->point.offset) {
if (asprintf(&pev->event, "%s_L%d", pev->point.function,
- pev->point.line) < 0)
- return -ENOMEM;
+ pev->point.line) < 0) {
+ ret = -ENOMEM;
+ goto out;
+ }
}
/* Copy arguments and ensure return probe has no C argument */
@@ -3083,6 +3088,9 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
for (j = 0; j < num_matched_functions; j++) {
sym = syms[j];
+ if (sym->type != STT_FUNC)
+ continue;
+
/* There can be duplicated symbols in the map */
for (i = 0; i < j; i++)
if (sym->start == syms[i]->start) {