diff options
| author | Ingo Molnar <mingo@kernel.org> | 2023-02-23 11:16:39 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-02-23 11:16:39 +0300 |
| commit | 585a78c1f77be305b1f6adad392f16047fb66ffd (patch) | |
| tree | 765143b487d582832c7695c9fbcae141c35baa4c /tools/perf/util/bpf_counter_cgroup.c | |
| parent | 37064583f63eca93c98a9cdf2360485ea05f617a (diff) | |
| parent | 69308402ca6f5b80a5a090ade0b13bd146891420 (diff) | |
| download | linux-585a78c1f77be305b1f6adad392f16047fb66ffd.tar.xz | |
Merge branch 'linus' into objtool/core, to pick up Xen dependencies
Pick up dependencies - freshly merged upstream via xen-next - before applying
dependent objtool changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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; |