diff options
| -rw-r--r-- | tools/perf/builtin-trace.c | 16 | ||||
| -rw-r--r-- | tools/perf/examples/bpf/augmented_raw_syscalls.c | 6 |
2 files changed, 22 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 9bd5ecd6a8dd..07df952a0d7f 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -88,6 +88,7 @@ struct trace { *sys_exit, *augmented; } events; + struct bpf_program *unaugmented_prog; } syscalls; struct { struct bpf_map *map; @@ -2733,6 +2734,14 @@ out_enomem: } #ifdef HAVE_LIBBPF_SUPPORT +static struct bpf_program *trace__find_bpf_program_by_title(struct trace *trace, const char *name) +{ + if (trace->bpf_obj == NULL) + return NULL; + + return bpf_object__find_program_by_title(trace->bpf_obj, name); +} + static void trace__init_bpf_map_syscall_args(struct trace *trace, int id, struct bpf_map_syscall_entry *entry) { struct syscall *sc = trace__syscall_info(trace, NULL, id); @@ -2814,6 +2823,12 @@ static int trace__init_syscalls_bpf_map(struct trace *trace __maybe_unused) { return 0; } + +static struct bpf_program *trace__find_bpf_program_by_title(struct trace *trace __maybe_unused, + const char *name __maybe_unused) +{ + return NULL; +} #endif // HAVE_LIBBPF_SUPPORT static int trace__set_ev_qualifier_filter(struct trace *trace) @@ -3914,6 +3929,7 @@ int cmd_trace(int argc, const char **argv) trace__set_bpf_map_filtered_pids(&trace); trace__set_bpf_map_syscalls(&trace); + trace.syscalls.unaugmented_prog = trace__find_bpf_program_by_title(&trace, "!raw_syscalls:unaugmented"); } err = bpf__setup_stdout(trace.evlist); diff --git a/tools/perf/examples/bpf/augmented_raw_syscalls.c b/tools/perf/examples/bpf/augmented_raw_syscalls.c index 2f822bb51717..48a536b1be6d 100644 --- a/tools/perf/examples/bpf/augmented_raw_syscalls.c +++ b/tools/perf/examples/bpf/augmented_raw_syscalls.c @@ -88,6 +88,12 @@ unsigned int augmented_filename__read(struct augmented_filename *augmented_filen return len; } +SEC("!raw_syscalls:unaugmented") +int syscall_unaugmented(struct syscall_enter_args *args) +{ + return 1; +} + SEC("raw_syscalls:sys_enter") int sys_enter(struct syscall_enter_args *args) { |