commit 682dcb46712567b7cd8d76c987bac4e313dbadb2
author Florian Mayer <fmayer@google.com> Tue Jun 05 09:52:24 2018 -0700
committer android-build-merger <android-build-merger@google.com> Tue Jun 05 09:52:24 2018 -0700
tree b892792015904765c06845cc7797e066527c8a29
parent 0d18d8f910e0ecd6cb35705a3da770ccca8a2e92
parent a486981bff957507c21c11e821d52b76d00dd6b5

Merge "Allow access to tracing/per_cpu/cpu?/trace files." am: 978e43d7a1 am: 693e05d21a
am: a486981bff

Change-Id: I4a1802c8032c7b6e90385230002c911263f816f8

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