logd: Add Tag statistics
- Optional class of statistics for events Tags
- export tagToName from LogBuffer (located in main.cp to address
https://android-review.googlesource.com/#/c/110204)
- Can not handle dropped because getTag() can not work,
will need to be fixed if we start filtering.
Bug: 19608965
Change-Id: I7b90607ca588bf37bab71f19b1570a290e772776
diff --git a/logd/LogBufferElement.h b/logd/LogBufferElement.h
index b6c6196..75ec59e 100644
--- a/logd/LogBufferElement.h
+++ b/logd/LogBufferElement.h
@@ -36,6 +36,9 @@
// Furnished in LogStatistics.cpp. Caller must own and free returned value
char *pidToName(pid_t pid);
+// Furnished in main.cpp. Thread safe.
+const char *tagToName(uint32_t tag);
+
}
static inline bool worstUidEnabledForLogid(log_id_t id) {
@@ -85,6 +88,8 @@
static uint64_t getCurrentSequence(void) { return sequence.load(memory_order_relaxed); }
log_time getRealTime(void) const { return mRealTime; }
+ uint32_t getTag(void) const;
+
static const uint64_t FLUSH_ERROR;
uint64_t flushTo(SocketClient *writer, LogBuffer *parent);
};