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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
commit8665bd53f2f2e27e5511d90428cb3f60e6d0ce15 (patch)
tree8d58900dc0ebd4a3011f92c128d2fe45bc7c4bf2 /tools/perf/util/session.c
parentAdding debian version 6.7.12-1. (diff)
downloadlinux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.tar.xz
linux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/session.c')
-rw-r--r--tools/perf/util/session.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 1e9aa8ed15..199d3e8df3 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -115,6 +115,11 @@ static int perf_session__open(struct perf_session *session, int repipe_fd)
return -1;
}
+ if (perf_header__has_feat(&session->header, HEADER_AUXTRACE)) {
+ /* Auxiliary events may reference exited threads, hold onto dead ones. */
+ symbol_conf.keep_exited_threads = true;
+ }
+
if (perf_data__is_pipe(data))
return 0;
@@ -1150,9 +1155,13 @@ static void callchain__printf(struct evsel *evsel,
i, callchain->ips[i]);
}
-static void branch_stack__printf(struct perf_sample *sample, bool callstack)
+static void branch_stack__printf(struct perf_sample *sample,
+ struct evsel *evsel)
{
struct branch_entry *entries = perf_sample__branch_entries(sample);
+ bool callstack = evsel__has_branch_callstack(evsel);
+ u64 *branch_stack_cntr = sample->branch_stack_cntr;
+ struct perf_env *env = evsel__env(evsel);
uint64_t i;
if (!callstack) {
@@ -1194,6 +1203,13 @@ static void branch_stack__printf(struct perf_sample *sample, bool callstack)
}
}
}
+
+ if (branch_stack_cntr) {
+ printf("... branch stack counters: nr:%" PRIu64 " (counter width: %u max counter nr:%u)\n",
+ sample->branch_stack->nr, env->br_cntr_width, env->br_cntr_nr);
+ for (i = 0; i < sample->branch_stack->nr; i++)
+ printf("..... %2"PRIu64": %016" PRIx64 "\n", i, branch_stack_cntr[i]);
+ }
}
static void regs_dump__printf(u64 mask, u64 *regs, const char *arch)
@@ -1355,7 +1371,7 @@ static void dump_sample(struct evsel *evsel, union perf_event *event,
callchain__printf(evsel, sample);
if (evsel__has_br_stack(evsel))
- branch_stack__printf(sample, evsel__has_branch_callstack(evsel));
+ branch_stack__printf(sample, evsel);
if (sample_type & PERF_SAMPLE_REGS_USER)
regs_user__printf(sample, arch);