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ftrace profiling script

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old-commit-hash: c8629a4b36b286972338fe92daced0ca63e04361
This commit is contained in:
Adeeb Shihadeh
2022-05-12 11:58:56 -07:00
parent 4e1ff7b16b
commit 8abd24a15e
1 changed files with 23 additions and 0 deletions
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23
selfdrive/debug/profiling/ftrace.sh Executable file
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#!/usr/bin/bash
set -e
cd /sys/kernel/tracing
echo 1 > tracing_on
echo boot > trace_clock
echo 1000 > buffer_size_kb
# /sys/kernel/tracing/available_events
echo 1 > events/irq/enable
echo 1 > events/sched/enable
echo 1 > events/kgsl/enable
echo 1 > events/camera/enable
echo 1 > events/workqueue/enable
echo > trace
sleep 5
echo 0 > tracing_on
cp trace /tmp/trace
chown comma: /tmp/trace
echo /tmp/trace