summaryrefslogtreecommitdiff
path: root/tools/perf/util/evsel.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-05-29 10:10:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-05-29 10:10:15 -0700
commit09f73a1ab8207481d1d6bd91ab7d0125c6722005 (patch)
tree7d067275e1089d28b7d77b1adefd16bb2c3e8d3d /tools/perf/util/evsel.c
parent664a393a2663a0f62fc1b18157ccae33dcdbb8c8 (diff)
parent9dde6cadb92b5670b23b97ec53091df0530ec38b (diff)
Merge tag 'perf-tools-for-v5.19-2022-05-28' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull more perf tools updates from Arnaldo Carvalho de Melo: - Add BPF based off-CPU profiling - Improvements for system wide recording, specially for Intel PT - Improve DWARF unwinding on arm64 - Support Arm CoreSight trace data disassembly in 'perf script' python - Fix build with new libbpf version, related to supporting older versions of distro released libbpf packages - Fix event syntax error caused by ExtSel in the JSON events infra - Use stdio interface if slang is not supported in 'perf c2c' - Add 'perf test' checking for perf stat CSV output - Sync the msr-index.h copy with the kernel sources * tag 'perf-tools-for-v5.19-2022-05-28' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (38 commits) tools arch x86: Sync the msr-index.h copy with the kernel sources perf scripts python: Support Arm CoreSight trace data disassembly perf scripting python: Expose dso and map information perf jevents: Fix event syntax error caused by ExtSel perf tools arm64: Add support for VG register perf unwind arm64: Decouple Libunwind register names from Perf perf unwind: Use dynamic register set for DWARF unwind perf tools arm64: Copy perf_regs.h from the kernel perf unwind arm64: Use perf's copy of kernel headers perf c2c: Use stdio interface if slang is not supported perf test: Add a basic offcpu profiling test perf record: Add cgroup support for off-cpu profiling perf record: Handle argument change in sched_switch perf record: Implement basic filtering for off-cpu perf record: Enable off-cpu analysis with BPF perf report: Do not extend sample type of bpf-output event perf test: Add checking for perf stat CSV output. perf tools: Allow system-wide events to keep their own threads perf tools: Allow system-wide events to keep their own CPUs libperf evsel: Add comments for booleans ...
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r--tools/perf/util/evsel.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index ef169ad15236..ce499c5da8d7 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -296,8 +296,8 @@ struct evsel *evsel__new_idx(struct perf_event_attr *attr, int idx)
return NULL;
evsel__init(evsel, attr, idx);
- if (evsel__is_bpf_output(evsel)) {
- evsel->core.attr.sample_type |= (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
+ if (evsel__is_bpf_output(evsel) && !attr->sample_type) {
+ evsel->core.attr.sample_type = (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
evsel->core.attr.sample_period = 1;
}
@@ -409,6 +409,7 @@ struct evsel *evsel__clone(struct evsel *orig)
evsel->core.threads = perf_thread_map__get(orig->core.threads);
evsel->core.nr_members = orig->core.nr_members;
evsel->core.system_wide = orig->core.system_wide;
+ evsel->core.requires_cpu = orig->core.requires_cpu;
if (orig->name) {
evsel->name = strdup(orig->name);
@@ -896,7 +897,7 @@ static void __evsel__config_callchain(struct evsel *evsel, struct record_opts *o
"specifying a subset with --user-regs may render DWARF unwinding unreliable, "
"so the minimal registers set (IP, SP) is explicitly forced.\n");
} else {
- attr->sample_regs_user |= PERF_REGS_MASK;
+ attr->sample_regs_user |= arch__user_reg_mask();
}
attr->sample_stack_user = param->dump_size;
attr->exclude_callchain_user = 1;