commit c6877d6a1c46887ee191acb695a048c5725a140d
author Andy Hung <hunga@google.com> Tue Oct 17 18:43:12 2023 -0700
committer Andy Hung <hunga@google.com> Tue Oct 31 19:41:28 2023 -0700
tree 596c0aeecdb6c57d30d95c638d49db517ecd8a9d
parent fba891dadd1a21fbda95718a6da146225e5b173b

AudioFlinger: dumpsys of audio mutexes held

Test: adb shell dumpsys media.audio_flinger
Bug: 209491695
Change-Id: Ie133b88a9137e2af1b38c16a6c23fdadfb367988

services/audioflinger/AudioFlinger.cpp

diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 1bd94f1..900ba1c 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -880,6 +880,10 @@
         // dump mutex stats
         const auto mutexStats = audio_utils::mutex::all_stats_to_string();
         write(fd, mutexStats.c_str(), mutexStats.size());
+
+        // dump held mutexes
+        const auto mutexThreadInfo = audio_utils::mutex::all_threads_to_string();
+        write(fd, mutexThreadInfo.c_str(), mutexThreadInfo.size());
     }
     return NO_ERROR;
 }