diff options
| -rw-r--r-- | tools/perf/builtin-trace.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index fb8b8e78d7b5..872c9cc982a5 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -4128,7 +4128,22 @@ int cmd_trace(int argc, const char **argv) if (perf_evsel__init_augmented_syscall_tp(augmented, evsel) || perf_evsel__init_augmented_syscall_tp_args(augmented)) goto out; + /* + * Augmented is __augmented_syscalls__ BPF_OUTPUT event + * Above we made sure we can get from the payload the tp fields + * that we get from syscalls:sys_enter tracefs format file. + */ augmented->handler = trace__sys_enter; + /* + * Now we do the same for the *syscalls:sys_enter event so that + * if we handle it directly, i.e. if the BPF prog returns 0 so + * as not to filter it, then we'll handle it just like we would + * for the BPF_OUTPUT one: + */ + if (perf_evsel__init_augmented_syscall_tp(evsel, evsel) || + perf_evsel__init_augmented_syscall_tp_args(evsel)) + goto out; + evsel->handler = trace__sys_enter; } if (strstarts(perf_evsel__name(evsel), "syscalls:sys_exit_")) { |