Reduce emulator logspam
The emulator doesn't support systrace, but we should point that out
at most once per process.
Bug 7436352
Change-Id: I06b2c1ea0df6c02c11cd2496423c337f8d7c62a1
diff --git a/libs/utils/Trace.cpp b/libs/utils/Trace.cpp
index 5cd5731..f5aaea3 100644
--- a/libs/utils/Trace.cpp
+++ b/libs/utils/Trace.cpp
@@ -25,7 +25,7 @@
volatile int32_t Tracer::sIsReady = 0;
int Tracer::sTraceFD = -1;
-uint64_t Tracer::sEnabledTags = 0;
+uint64_t Tracer::sEnabledTags = ATRACE_TAG_NOT_READY;
Mutex Tracer::sMutex;
void Tracer::changeCallback() {
@@ -46,7 +46,7 @@
sTraceFD = open(traceFileName, O_WRONLY);
if (sTraceFD == -1) {
ALOGE("error opening trace file: %s (%d)", strerror(errno), errno);
- // sEnabledTags remains zero indicating that no tracing can occur
+ sEnabledTags = 0; // no tracing can occur
} else {
loadSystemProperty();
}