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-rw-r--r--tools/perf/util/evlist.c12
-rw-r--r--tools/perf/util/evlist.h3
2 files changed, 12 insertions, 3 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 4a30c87d24e..96b3ef547db 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1029,7 +1029,7 @@ out_err:
int perf_evlist__prepare_workload(struct perf_evlist *evlist, struct target *target,
const char *argv[], bool pipe_output,
- bool want_signal)
+ void (*exec_error)(int signo, siginfo_t *info, void *ucontext))
{
int child_ready_pipe[2], go_pipe[2];
char bf;
@@ -1073,7 +1073,7 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, struct target *tar
execvp(argv[0], (char **)argv);
- if (want_signal) {
+ if (exec_error) {
union sigval val;
val.sival_int = errno;
@@ -1084,6 +1084,14 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, struct target *tar
exit(-1);
}
+ if (exec_error) {
+ struct sigaction act = {
+ .sa_flags = SA_SIGINFO,
+ .sa_sigaction = exec_error,
+ };
+ sigaction(SIGUSR1, &act, NULL);
+ }
+
if (target__none(target))
evlist->threads->map[0] = evlist->workload.pid;
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 2fe51958ed8..18d1222c076 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -103,7 +103,8 @@ int record_opts__config(struct record_opts *opts);
int perf_evlist__prepare_workload(struct perf_evlist *evlist,
struct target *target,
const char *argv[], bool pipe_output,
- bool want_signal);
+ void (*exec_error)(int signo, siginfo_t *info,
+ void *ucontext));
int perf_evlist__start_workload(struct perf_evlist *evlist);
int perf_evlist__parse_mmap_pages(const struct option *opt,