diff options
Diffstat (limited to 'tools/tracing/rtla/src/timerlat_bpf.c')
| -rw-r--r-- | tools/tracing/rtla/src/timerlat_bpf.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/tracing/rtla/src/timerlat_bpf.c b/tools/tracing/rtla/src/timerlat_bpf.c index 0bc44ce5d69b..1666215dd687 100644 --- a/tools/tracing/rtla/src/timerlat_bpf.c +++ b/tools/tracing/rtla/src/timerlat_bpf.c @@ -106,6 +106,19 @@ int timerlat_bpf_wait(int timeout) return retval; } +/* + * timerlat_bpf_restart_tracing - restart stopped tracing + */ +int timerlat_bpf_restart_tracing(void) +{ + unsigned int key = 0; + unsigned long long value = 0; + + return bpf_map__update_elem(bpf->maps.stop_tracing, + &key, sizeof(key), + &value, sizeof(value), BPF_ANY); +} + static int get_value(struct bpf_map *map_irq, struct bpf_map *map_thread, struct bpf_map *map_user, |