Re: [PATCH 2/7] libperf: Move idx to perf_evsel::idx
From: Arnaldo Carvalho de Melo <acme@kernel.org>
Date: 2021-07-07 14:50:54
Also in:
lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Em Tue, Jul 06, 2021 at 05:16:59PM +0200, Jiri Olsa escreveu:
Moving evsel::idx to perf_evsel::idx, so we can move the group interface to libperf.
I fixed up this, that appearead on my tree after you cooked up this patch:
diff --git a/tools/perf/util/bpf_counter_cgroup.c b/tools/perf/util/bpf_counter_cgroup.c
index 21261f1a05011d62..89aa5e71db1a9a23 100644
--- a/tools/perf/util/bpf_counter_cgroup.c
+++ b/tools/perf/util/bpf_counter_cgroup.c@@ -124,7 +124,7 @@ static int bperf_load_program(struct evlist *evlist) map_fd = bpf_map__fd(skel->maps.events); for (cpu = 0; cpu < nr_cpus; cpu++) { int fd = FD(evsel, cpu); - __u32 idx = evsel->idx * total_cpus + + __u32 idx = evsel->core.idx * total_cpus + evlist->core.all_cpus->map[cpu]; err = bpf_map_update_elem(map_fd, &idx, &fd,
@@ -221,7 +221,7 @@ static int bperf_cgrp__sync_counters(struct evlist *evlist) static int bperf_cgrp__enable(struct evsel *evsel) { - if (evsel->idx) + if (evsel->core.idx) return 0; bperf_cgrp__sync_counters(evsel->evlist);
@@ -232,7 +232,7 @@ static int bperf_cgrp__enable(struct evsel *evsel) static int bperf_cgrp__disable(struct evsel *evsel) { - if (evsel->idx) + if (evsel->core.idx) return 0; bperf_cgrp__sync_counters(evsel->evlist);
@@ -251,7 +251,7 @@ static int bperf_cgrp__read(struct evsel *evsel) int reading_map_fd, err = 0; __u32 idx; - if (evsel->idx) + if (evsel->core.idx) return 0; bperf_cgrp__sync_counters(evsel->evlist);
@@ -263,7 +263,7 @@ static int bperf_cgrp__read(struct evsel *evsel) reading_map_fd = bpf_map__fd(skel->maps.cgrp_readings); evlist__for_each_entry(evlist, evsel) { - idx = evsel->idx; + idx = evsel->core.idx; err = bpf_map_lookup_elem(reading_map_fd, &idx, values); if (err) { pr_err("bpf map lookup falied: idx=%u, event=%s, cgrp=%s\n",
@@ -288,7 +288,7 @@ static int bperf_cgrp__read(struct evsel *evsel) static int bperf_cgrp__destroy(struct evsel *evsel) { - if (evsel->idx) + if (evsel->core.idx) return 0; bperf_cgroup_bpf__destroy(skel);