libbacktrace: add benchmarks for Backtrace::Create, CreateNew.
Test: backtrace_benchmarks
Change-Id: I80ba5adb31d446314060edd00149f09e14e6815e
diff --git a/libbacktrace/backtrace_benchmarks.cpp b/libbacktrace/backtrace_benchmarks.cpp
index 9fdf60c..2593e05 100644
--- a/libbacktrace/backtrace_benchmarks.cpp
+++ b/libbacktrace/backtrace_benchmarks.cpp
@@ -32,6 +32,7 @@
#include <backtrace/Backtrace.h>
#include <backtrace/BacktraceMap.h>
+#include <unwindstack/Memory.h>
// Definitions of prctl arguments to set a vma name in Android kernels.
#define ANDROID_PR_SET_VMA 0x53564d41
@@ -153,4 +154,26 @@
}
BENCHMARK(BM_create_map_new);
+
+using BacktraceCreateFn = decltype(Backtrace::Create);
+
+static void CreateBacktrace(benchmark::State& state, BacktraceMap* map, BacktraceCreateFn fn) {
+ while (state.KeepRunning()) {
+ std::unique_ptr<Backtrace> backtrace(fn(getpid(), gettid(), map));
+ backtrace->Unwind(0);
+ }
+}
+
+static void BM_create_backtrace(benchmark::State& state) {
+ std::unique_ptr<BacktraceMap> backtrace_map(BacktraceMap::Create(getpid()));
+ CreateBacktrace(state, backtrace_map.get(), Backtrace::Create);
+}
+BENCHMARK(BM_create_backtrace);
+
+static void BM_create_backtrace_new(benchmark::State& state) {
+ std::unique_ptr<BacktraceMap> backtrace_map(BacktraceMap::CreateNew(getpid()));
+ CreateBacktrace(state, backtrace_map.get(), Backtrace::CreateNew);
+}
+BENCHMARK(BM_create_backtrace_new);
+
BENCHMARK_MAIN();