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authorIngo Molnar <mingo@kernel.org>2022-05-06 10:21:46 +0200
committerIngo Molnar <mingo@kernel.org>2022-05-06 10:21:46 +0200
commitd70522fc541224b8351ac26f4765f2c6268f8d72 (patch)
tree5c924231da32485f3675f8e9911399e838fa2437 /tools/perf/util/unwind.h
parent1a90bfd220201fbe050dfc15deaac20ca5f15638 (diff)
parent672c0c5173427e6b3e2a9bbb7be51ceeec78093a (diff)
Merge tag 'v5.18-rc5' into sched/core to pull in fixes & to resolve a conflict
- sched/core is on a pretty old -rc1 base - refresh it to include recent fixes. - this also allows up to resolve a (trivial) .mailmap conflict Conflicts: .mailmap Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/util/unwind.h')
-rw-r--r--tools/perf/util/unwind.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h
index ab8ad469c8de..b2a03fa5289b 100644
--- a/tools/perf/util/unwind.h
+++ b/tools/perf/util/unwind.h
@@ -23,13 +23,19 @@ struct unwind_libunwind_ops {
void (*finish_access)(struct maps *maps);
int (*get_entries)(unwind_entry_cb_t cb, void *arg,
struct thread *thread,
- struct perf_sample *data, int max_stack);
+ struct perf_sample *data, int max_stack, bool best_effort);
};
#ifdef HAVE_DWARF_UNWIND_SUPPORT
+/*
+ * When best_effort is set, don't report errors and fail silently. This could
+ * be expanded in the future to be more permissive about things other than
+ * error messages.
+ */
int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
struct thread *thread,
- struct perf_sample *data, int max_stack);
+ struct perf_sample *data, int max_stack,
+ bool best_effort);
/* libunwind specific */
#ifdef HAVE_LIBUNWIND_SUPPORT
#ifndef LIBUNWIND__ARCH_REG_ID
@@ -65,7 +71,8 @@ unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
void *arg __maybe_unused,
struct thread *thread __maybe_unused,
struct perf_sample *data __maybe_unused,
- int max_stack __maybe_unused)
+ int max_stack __maybe_unused,
+ bool best_effort __maybe_unused)
{
return 0;
}