diff options
| -rw-r--r-- | tools/perf/include/bpf/pid_filter.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/perf/include/bpf/pid_filter.h b/tools/perf/include/bpf/pid_filter.h new file mode 100644 index 000000000000..6e61c4bdf548 --- /dev/null +++ b/tools/perf/include/bpf/pid_filter.h @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: LGPL-2.1 + +#ifndef _PERF_BPF_PID_FILTER_ +#define _PERF_BPF_PID_FILTER_ + +#include <bpf.h> + +#define pid_filter(name) pid_map(name, bool) + +static int pid_filter__add(struct bpf_map *pids, pid_t pid) +{ + bool value = true; + return bpf_map_update_elem(pids, &pid, &value, BPF_NOEXIST); +} + +static bool pid_filter__has(struct bpf_map *pids, pid_t pid) +{ + return bpf_map_lookup_elem(pids, &pid) != NULL; +} + +#endif // _PERF_BPF_PID_FILTER_ |