commit 2ded52d4eac593e105f2d968360e8e87786930e6
author Wei Wang <wvw@google.com> Fri Jul 31 01:13:58 2020 -0700
committer Wei Wang <wvw@google.com> Fri Jul 31 01:23:09 2020 -0700
tree 2d7517df0a756f90e8ac1c4e72513973e8b30d32
parent 635bd93613b125bd856c9511322dd0b60fe07667

atrace: Add cpuhp trace points

Bug: 162568440
Test: take systrace
Change-Id: I67f58bd0374e50c3d8aec5dc8f2391d174920c4f

cmds/atrace/atrace.cpp

diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index fc3572c..08f44c8 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -172,6 +172,8 @@
         { OPT,      "events/clk/clk_enable/enable" },
         { OPT,      "events/power/cpu_frequency_limits/enable" },
         { OPT,      "events/power/suspend_resume/enable" },
+        { OPT,      "events/cpuhp/cpuhp_enter/enable" },
+        { OPT,      "events/cpuhp/cpuhp_exit/enable" },
     } },
     { "membus",     "Memory Bus Utilization", 0, {
         { REQ,      "events/memory_bus/enable" },

cmds/atrace/atrace.rc

diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 28770f2..0637693 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -47,6 +47,10 @@
     chmod 0666 /sys/kernel/tracing/events/power/clock_set_rate/enable
     chmod 0666 /sys/kernel/debug/tracing/events/power/cpu_frequency_limits/enable
     chmod 0666 /sys/kernel/tracing/events/power/cpu_frequency_limits/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/cpuhp/cpuhp_enter/enable
+    chmod 0666 /sys/kernel/tracing/events/cpuhp/cpuhp_enter/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/cpuhp/cpuhp_exit/enable
+    chmod 0666 /sys/kernel/tracing/events/cpuhp/cpuhp_exit/enable
     chmod 0666 /sys/kernel/debug/tracing/events/power/gpu_frequency/enable
     chmod 0666 /sys/kernel/tracing/events/power/gpu_frequency/enable
     chmod 0666 /sys/kernel/debug/tracing/events/power/suspend_resume/enable