diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/stacktrace_map.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/stacktrace_map.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/stacktrace_map.c b/tools/testing/selftests/bpf/progs/stacktrace_map.c index 47568007b668..0c77df05be7f 100644 --- a/tools/testing/selftests/bpf/progs/stacktrace_map.c +++ b/tools/testing/selftests/bpf/progs/stacktrace_map.c @@ -50,6 +50,7 @@ struct sched_switch_args { int next_prio; }; +__u32 stack_id; SEC("tracepoint/sched/sched_switch") int oncpu(struct sched_switch_args *ctx) { @@ -64,6 +65,7 @@ int oncpu(struct sched_switch_args *ctx) /* The size of stackmap and stackid_hmap should be the same */ key = bpf_get_stackid(ctx, &stackmap, 0); if ((int)key >= 0) { + stack_id = key; bpf_map_update_elem(&stackid_hmap, &key, &val, 0); stack_p = bpf_map_lookup_elem(&stack_amap, &key); if (stack_p) |