commit bd1ef90448c32e2beec4c66f08fe613bcc632cc8
author Mark Salyzyn <salyzyn@google.com> Thu Oct 02 13:07:05 2014 -0700
committer Mark Salyzyn <salyzyn@google.com> Mon Jun 15 07:41:03 2015 -0700
tree 0bd1f2974aed9990a2128152800fcc37ff376f1d
parent e9c9106fbb876864c06bb94e95737fc776e9b3ce

logd: filter on __android_log_is_loggable

(cherry pick from commit e59c469fa89d438d2d7150b7d8cd6b401900709b)

- Default level when not specified is ANDROID_LOG_VERBOSE
  which is inert.

Bug: 20416721
Bug: 19544788
Bug: 17760225
Change-Id: Icc098e53dc47ceaaeb24ec42eb6f61d6430ec2f6

logd/LogBufferElement.cpp

diff --git a/logd/LogBufferElement.cpp b/logd/LogBufferElement.cpp
index 8238a52..7df1123 100644
--- a/logd/LogBufferElement.cpp
+++ b/logd/LogBufferElement.cpp
@@ -105,8 +105,12 @@
 size_t LogBufferElement::populateDroppedMessage(char *&buffer,
         LogBuffer *parent) {
     static const char tag[] = "chatty";
-    static const char format_uid[] = "uid=%u%s%s expire %u line%s";
 
+    if (!__android_log_is_loggable(ANDROID_LOG_INFO, tag, ANDROID_LOG_VERBOSE)) {
+        return 0;
+    }
+
+    static const char format_uid[] = "uid=%u%s%s expire %u line%s";
     char *name = parent->uidToName(mUid);
     char *commName = android::tidToName(mTid);
     if (!commName && (mTid != mPid)) {