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Commit 6a2489cf authored by Ben Murdoch's avatar Ben Murdoch
Browse files

Add a hidden API to set trace tag on atrace counters. 

Currently the only counter API on trace uses the APP tag. Add a new
(hidden) API that will allow the system to set counters with different
tags.

Bug: 358369221
Flag: EXEMPT - adding hidden API only with no usage yet
Test: Try to add a counter with TRACE_TAG_WINDOW_MANAGER and check trace
Change-Id: I874d60998a26b7a80ac93b0a5e70ffddcaa9197c
parent a9910754

core/java/android/os/Trace.java

+14 −2
Original line number Diff line number Diff line
@@ -520,8 +520,20 @@ public final class Trace { 
     * @param counterValue The counter value.

     */

    public static void setCounter(@NonNull String counterName, long counterValue) {

        if (isTagEnabled(TRACE_TAG_APP)) {

            nativeTraceCounter(TRACE_TAG_APP, counterName, counterValue);

        setCounter(TRACE_TAG_APP, counterName, counterValue);

    }



    /**

     * Writes trace message to indicate the value of a given counter under a given trace tag.

     *

     * @param traceTag The trace tag.

     * @param counterName The counter name to appear in the trace.

     * @param counterValue The counter value.

     * @hide

     */

    public static void setCounter(long traceTag, @NonNull String counterName, long counterValue) {

        if (isTagEnabled(traceTag)) {

            nativeTraceCounter(traceTag, counterName, counterValue);

        }

    }