Em Tue, Jan 03, 2023 at 10:43:58PM -0800, Namhyung Kim escreveu: > Hello, > > This is a collection of small fixes for perf stat bpf counters (bperf). > > The bperf framework maintains perf_attr_map in the BPF fs to share the > same event as much as possible. But the size was limited to 16 and > perf stat with -ddd option would create more than 16 events and fails. > > Also cgroup events with --for-each-cgroup had some other problems when > dealing with unsupported events and duplicate cgroups. > > The code is available at 'perf/stat-bpf-fix-v1' branch in > > git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git The first two are improvements, not strict fixes, so I'm leaving them for the next merge window. - Arnaldo > Thanks, > Namhyung > > Namhyung Kim (4): > perf bpf_counter: Add more error messages for bperf > perf bpf_counter: Increase perf_attr_map entries to 32 > perf bpf_counter: Handle unsupported cgroup events > perf stat: Do not use the same cgroup more than once > > tools/perf/util/bpf_counter.c | 11 ++++++++--- > tools/perf/util/bpf_counter_cgroup.c | 14 +++----------- > tools/perf/util/cgroup.c | 23 ++++++++++++++++++----- > 3 files changed, 29 insertions(+), 19 deletions(-) > > > base-commit: d8d85ce86dc82de4f88b821a78f533b9d5b22a45 > -- > 2.39.0.314.g84b9a713c41-goog -- - Arnaldo
