diff options
Diffstat (limited to 'tools/perf/util/bpf_skel/off_cpu.bpf.c')
-rw-r--r-- | tools/perf/util/bpf_skel/off_cpu.bpf.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/perf/util/bpf_skel/off_cpu.bpf.c b/tools/perf/util/bpf_skel/off_cpu.bpf.c index cc6d7fd55118..143a8b7acf87 100644 --- a/tools/perf/util/bpf_skel/off_cpu.bpf.c +++ b/tools/perf/util/bpf_skel/off_cpu.bpf.c @@ -85,6 +85,7 @@ int enabled = 0; int has_cpu = 0; int has_task = 0; int has_cgroup = 0; +int uses_tgid = 0; const volatile bool has_prev_state = false; const volatile bool needs_cgroup = false; @@ -144,7 +145,12 @@ static inline int can_record(struct task_struct *t, int state) if (has_task) { __u8 *ok; - __u32 pid = t->pid; + __u32 pid; + + if (uses_tgid) + pid = t->tgid; + else + pid = t->pid; ok = bpf_map_lookup_elem(&task_filter, &pid); if (!ok) |