commit a486981bff957507c21c11e821d52b76d00dd6b5
author Florian Mayer <fmayer@google.com> Tue Jun 05 09:48:10 2018 -0700
committer android-build-merger <android-build-merger@google.com> Tue Jun 05 09:48:10 2018 -0700
tree 55e37ec9ed751703a3d640c698da9bfa08f26e0e
parent bf346df6e80e74ac877af7493b65a21faae5835f
parent 693e05d21ae6999a8ebfe149eaaa07366d69396a

Merge "Allow access to tracing/per_cpu/cpu?/trace files." am: 978e43d7a1
am: 693e05d21a

Change-Id: I82a74f322c38716f4ec1b14ed982f6a636edf051

cmds/atrace/atrace.rc

diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index d10c539..579cfaf 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -135,6 +135,42 @@
     chmod 0666 /sys/kernel/debug/tracing/trace
     chmod 0666 /sys/kernel/tracing/trace
 
+# Read and truncate the per-CPU kernel trace.
+# Cannot use wildcards in .rc files. Update this if there is a phone with
+# more CPUs.
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu0/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu0/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu1/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu1/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu2/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu2/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu3/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu3/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu4/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu4/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu5/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu5/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu6/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu6/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu6/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu7/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu8/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu8/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu9/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu9/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu10/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu10/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu11/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu11/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu12/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu12/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu13/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu13/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu14/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu14/trace
+    chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu15/trace
+    chmod 0666 /sys/kernel/tracing/per_cpu/cpu15/trace
+
 on property:persist.debug.atrace.boottrace=1
     start boottrace