fall back to .debug_info scan in fatal signal handler

[folly.git] / folly / experimental / symbolizer / test / DwarfBenchmark.cpp

diff --git a/folly/experimental/symbolizer/test/DwarfBenchmark.cpp b/folly/experimental/symbolizer/test/DwarfBenchmark.cpp
index 877b58118014fbc40851761f4da0707860d79bfc..50f63c80f94d30f6d4a8a93e6b5ea25ee55dbc8c 100644 (file)
--- a/folly/experimental/symbolizer/test/DwarfBenchmark.cpp
+++ b/folly/experimental/symbolizer/test/DwarfBenchmark.cpp
@@ -20,9 +20,12 @@
 
 void dummy() {}
 
-BENCHMARK(DwarfFindAddress, n) {
+namespace {
+
+using namespace folly::symbolizer;
+
+void run(Dwarf::LocationInfoMode mode, size_t n) {
   folly::BenchmarkSuspender suspender;
-  using namespace folly::symbolizer;
   // NOTE: Using '/proc/self/exe' only works if the code for @dummy is
   // statically linked into the binary.
   ElfFile elf("/proc/self/exe");
@@ -30,10 +33,20 @@ BENCHMARK(DwarfFindAddress, n) {
   suspender.dismiss();
   for (size_t i = 0; i < n; i++) {
     Dwarf::LocationInfo info;
-    dwarf.findAddress(uintptr_t(&dummy), info);
+    dwarf.findAddress(uintptr_t(&dummy), info, mode);
   }
 }
 
+} // namespace
+
+BENCHMARK(DwarfFindAddressFast, n) {
+  run(folly::symbolizer::Dwarf::LocationInfoMode::FAST, n);
+}
+
+BENCHMARK(DwarfFindAddressFull, n) {
+  run(folly::symbolizer::Dwarf::LocationInfoMode::FULL, n);
+}
+
 int main(int argc, char* argv[]) {
   gflags::ParseCommandLineFlags(&argc, &argv, true);
   google::InitGoogleLogging(argv[0]);