commit 0eeb06b932f185e10377e4494475d2cdd6adfa1b
author Mark Salyzyn <salyzyn@google.com> Fri Dec 02 10:08:48 2016 -0800
committer Mark Salyzyn <salyzyn@google.com> Fri Dec 09 12:40:17 2016 -0800
tree 70b797c0f3f752a6a76e9818640b1fadf06ca189
parent aece425166b1636de79efbddb5997ecdcea2ce03

utils: Add FastStrcmp.h

Move existing fast<str*cmp> templates for general use, pulled from
the implementation used in logd that dealt with speed through cache
locality and subroutine call mitigation.  Rename to fastcmp.

Test: logd-benchmarks and based on manual profiling from the past
Bug: 31456426
Change-Id: Ic62f4a437fc3e06ffdeaae73a6f34e197957a6b0

logd/LogReader.cpp

diff --git a/logd/LogReader.cpp b/logd/LogReader.cpp
index 61d4c49..1b50b4e 100644
--- a/logd/LogReader.cpp
+++ b/logd/LogReader.cpp
@@ -108,7 +108,7 @@
     }
 
     bool nonBlock = false;
-    if (!fast<strncmp>(buffer, "dumpAndClose", 12)) {
+    if (!fastcmp<strncmp>(buffer, "dumpAndClose", 12)) {
         // Allow writer to get some cycles, and wait for pending notifications
         sched_yield();
         LogTimeEntry::lock();