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Diffstat (limited to 'tools/perf/util/bpf_skel/off_cpu.bpf.c')
-rw-r--r--tools/perf/util/bpf_skel/off_cpu.bpf.c8
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)