Add a decompression scoped timing for image loading

Shows up in systrace.

Bug: 22858531

(cherry picked from commit 31317c319667cf1d7d0f61229ccb5e76f22606cf)

Change-Id: Id4997fb9abc28fa8c1dd1e78ff01234637b229d3

diff --git a/runtime/gc/space/image_space.cc b/runtime/gc/space/image_space.cc
index 2e1bd33..a484eab 100644 (file)
--- a/runtime/gc/space/image_space.cc
+++ b/runtime/gc/space/image_space.cc
@@ -1213,6 +1213,7 @@ ImageSpace* ImageSpace::Init(const char* image_filename,
         }
         memcpy(map->Begin(), image_header, sizeof(ImageHeader));
         const uint64_t start = NanoTime();
+        TimingLogger::ScopedTiming timing2("LZ4 decompress image", &logger);
         const size_t decompressed_size = LZ4_decompress_safe(
             reinterpret_cast<char*>(temp_map->Begin()) + sizeof(ImageHeader),
             reinterpret_cast<char*>(map->Begin()) + write_offset,