1 The power tracer collects detailed information about C-state and P-state
2 transitions, instead of just looking at the high-level "average"
5 There is a helper script found in scrips/tracing/power.pl in the kernel
6 sources which can be used to parse this information and create a
7 Scalable Vector Graphics (SVG) picture from the trace data.
11 echo 0 > /sys/kernel/debug/tracing/tracing_enabled
12 echo power > /sys/kernel/debug/tracing/current_tracer
13 echo 1 > /sys/kernel/debug/tracing/tracing_enabled
15 echo 0 > /sys/kernel/debug/tracing/tracing_enabled
16 cat /sys/kernel/debug/tracing/trace | \
17 perl scripts/tracing/power.pl > out.sv