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Diffstat (limited to 'Documentation/trace/power.txt')
| -rw-r--r-- | Documentation/trace/power.txt | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/Documentation/trace/power.txt b/Documentation/trace/power.txt deleted file mode 100644 index cd805e1..0000000 --- a/Documentation/trace/power.txt +++ /dev/null @@ -1,17 +0,0 @@ -The power tracer collects detailed information about C-state and P-state -transitions, instead of just looking at the high-level "average" -information. - -There is a helper script found in scrips/tracing/power.pl in the kernel -sources which can be used to parse this information and create a -Scalable Vector Graphics (SVG) picture from the trace data. - -To use this tracer: - - echo 0 > /sys/kernel/debug/tracing/tracing_enabled - echo power > /sys/kernel/debug/tracing/current_tracer - echo 1 > /sys/kernel/debug/tracing/tracing_enabled - sleep 1 - echo 0 > /sys/kernel/debug/tracing/tracing_enabled - cat /sys/kernel/debug/tracing/trace | \ - perl scripts/tracing/power.pl > out.sv |
