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platform_system_core
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am 1e96e16f: am 0f3974c3: Merge "Enable tracing on user builds" into jb-dev 

* commit '1e96e16f81ce46adf5329b1db4662b53b927d4e2':
  Enable tracing on user builds
This commit is contained in:
Jamie Gennis 2012-06-12 13:05:49 -07:00 committed by Android Git Automerger
parent 60f3d65c83 1e96e16f81
commit c06be8a15d
2 changed files with 32 additions and 5 deletions
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6
rootdir/init.rc
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@ -6,6 +6,7 @@
import /init.${ro.hardware}.rc
import /init.usb.rc
import /init.trace.rc
on early-init
# Set init and its forked children's oom_adj.
@ -354,10 +355,6 @@ service console /system/bin/sh
on property:ro.debuggable=1
start console
# Allow writing to the kernel trace log. Enabling tracing still requires root.
on property:ro.debuggable=1
chmod 0222 /sys/kernel/debug/tracing/trace_marker
# adbd is controlled via property triggers in init.<platform>.usb.rc
service adbd /sbin/adbd
class core
@ -492,4 +489,3 @@ service mdnsd /system/bin/mdnsd
socket mdnsd stream 0660 mdnsr inet
disabled
oneshot

31
rootdir/init.trace.rc Normal file
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@ -0,0 +1,31 @@
## Permissions to allow system-wide tracing to the kernel trace buffer.
##
on boot
# Allow writing to the kernel trace log.
chmod 0222 /sys/kernel/debug/tracing/trace_marker
# Allow the shell group to enable (some) kernel tracing.
chown root shell /sys/kernel/debug/tracing/trace_clock
chown root shell /sys/kernel/debug/tracing/buffer_size_kb
chown root shell /sys/kernel/debug/tracing/options/overwrite
chown root shell /sys/kernel/debug/tracing/events/sched/sched_switch/enable
chown root shell /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
chown root shell /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
chown root shell /sys/kernel/debug/tracing/events/power/cpu_idle/enable
chown root shell /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
chown root shell /sys/kernel/debug/tracing/tracing_on
chmod 0664 /sys/kernel/debug/tracing/trace_clock
chmod 0664 /sys/kernel/debug/tracing/buffer_size_kb
chmod 0664 /sys/kernel/debug/tracing/options/overwrite
chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_switch/enable
chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_idle/enable
chmod 0664 /sys/kernel/debug/tracing/events/cpufreq_interactive/enable
chmod 0664 /sys/kernel/debug/tracing/tracing_on
# Allow only the shell group to read and truncate the kernel trace.
chown root shell /sys/kernel/debug/tracing/trace
chmod 0660 /sys/kernel/debug/tracing/trace