diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 9b4e24217c468..43a699cfcadfd 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -3216,8 +3216,9 @@ int cmd_trace(int argc, const char **argv) }; bool __maybe_unused max_stack_user_set = true; bool mmap_pages_user_set = true; + struct perf_evsel *evsel; const char * const trace_subcommands[] = { "record", NULL }; - int err; + int err = -1; char bf[BUFSIZ]; signal(SIGSEGV, sighandler_dump_stack); @@ -3240,9 +3241,9 @@ int cmd_trace(int argc, const char **argv) "cgroup monitoring only available in system-wide mode"); } - err = bpf__setup_output_event(trace.evlist, "__augmented_syscalls__"); - if (err) { - bpf__strerror_setup_output_event(trace.evlist, err, bf, sizeof(bf)); + evsel = bpf__setup_output_event(trace.evlist, "__augmented_syscalls__"); + if (IS_ERR(evsel)) { + bpf__strerror_setup_output_event(trace.evlist, PTR_ERR(evsel), bf, sizeof(bf)); pr_err("ERROR: Setup trace syscalls enter failed: %s\n", bf); goto out; } |