diff options
Diffstat (limited to 'tools/perf/util/bpf_counter_cgroup.c')
| -rw-r--r-- | tools/perf/util/bpf_counter_cgroup.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/tools/perf/util/bpf_counter_cgroup.c b/tools/perf/util/bpf_counter_cgroup.c index 3c2df7522f6f..1c82377ed78b 100644 --- a/tools/perf/util/bpf_counter_cgroup.c +++ b/tools/perf/util/bpf_counter_cgroup.c @@ -116,27 +116,19 @@ static int bperf_load_program(struct evlist *evlist) /* open single copy of the events w/o cgroup */ err = evsel__open_per_cpu(evsel, evsel->core.cpus, -1); - if (err) { - pr_err("Failed to open first cgroup events\n"); - goto out; - } + if (err == 0) + evsel->supported = true; map_fd = bpf_map__fd(skel->maps.events); perf_cpu_map__for_each_cpu(cpu, j, evsel->core.cpus) { int fd = FD(evsel, j); __u32 idx = evsel->core.idx * total_cpus + cpu.cpu; - err = bpf_map_update_elem(map_fd, &idx, &fd, - BPF_ANY); - if (err < 0) { - pr_err("Failed to update perf_event fd\n"); - goto out; - } + bpf_map_update_elem(map_fd, &idx, &fd, BPF_ANY); } evsel->cgrp = leader_cgrp; } - evsel->supported = true; if (evsel->cgrp == cgrp) continue; |