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Merge pull request #16 from derkling/add_ftrace_function_profiling

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Add ftrace function profiling
This commit is contained in:
setrofim
2016-01-27 10:41:59 +00:00
parent 3f1577dd02 082a82c7c5
commit 798745ff4e
2 changed files with 96 additions and 4 deletions
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15
devlib/bin/scripts/shutils.in
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@@ -43,6 +43,18 @@ cpufreq_trace_all_frequencies() {
done
}
################################################################################
# FTrace Utility Functions
################################################################################
ftrace_get_function_stats() {
for CPU in $(ls /sys/kernel/debug/tracing/trace_stat | sed 's/function//'); do
REPLACE_STRING="s/ Function/\n Function (CPU$CPU)/"
cat /sys/kernel/debug/tracing/trace_stat/function$CPU \
| sed "$REPLACE_STRING"
done
}
################################################################################
# Main Function Dispatcher
################################################################################
@@ -63,6 +75,9 @@ cpufreq_get_all_governors)
cpufreq_trace_all_frequencies)
cpufreq_trace_all_frequencies $*
;;
ftrace_get_function_stats)
ftrace_get_function_stats
;;
*)
echo "Command [$CMD] not supported"
exit -1