Add systrace logging to ScopedCodeCacheWrite
Shows if we are taking a long time to mprotect.
Bug: 27502458
(cherry picked from commit 462cd2cfa8c5fbb6548419eb8f27b448a12aca11)
Change-Id: Ic0f24641f5856b13f3b949dcd53dc01ec952d171
diff --git a/runtime/jit/jit_code_cache.cc b/runtime/jit/jit_code_cache.cc
index 1545cb7..0b0f926 100644
--- a/runtime/jit/jit_code_cache.cc
+++ b/runtime/jit/jit_code_cache.cc
@@ -169,12 +169,16 @@
return false;
}
-class ScopedCodeCacheWrite {
+class ScopedCodeCacheWrite : ScopedTrace {
public:
- explicit ScopedCodeCacheWrite(MemMap* code_map) : code_map_(code_map) {
+ explicit ScopedCodeCacheWrite(MemMap* code_map)
+ : ScopedTrace("ScopedCodeCacheWrite"),
+ code_map_(code_map) {
+ ScopedTrace trace("mprotect all");
CHECKED_MPROTECT(code_map_->Begin(), code_map_->Size(), kProtAll);
}
~ScopedCodeCacheWrite() {
+ ScopedTrace trace("mprotect code");
CHECKED_MPROTECT(code_map_->Begin(), code_map_->Size(), kProtCode);
}
private: