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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-18 11:16:55 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-18 11:16:55 +1000
commit4b337c5f245b6587ba844ac7bb13c313a2912f7b (patch)
tree999c6a6580b76a083c8efb9dabff709d1c49fcd0 /scripts/tracing/draw_functrace.py
parent492b057c426e4aa747484958e18e9da29003985d (diff)
parent3fe0344faf7fdcb158bd5c1a9aec960a8d70c8e8 (diff)
downloadlinux-4b337c5f245b6587ba844ac7bb13c313a2912f7b.tar.bz2
Merge commit 'origin/master' into next
Diffstat (limited to 'scripts/tracing/draw_functrace.py')
-rw-r--r--scripts/tracing/draw_functrace.py7
1 files changed, 3 insertions, 4 deletions
diff --git a/scripts/tracing/draw_functrace.py b/scripts/tracing/draw_functrace.py
index 902f9a992620..db40fa04cd51 100644
--- a/scripts/tracing/draw_functrace.py
+++ b/scripts/tracing/draw_functrace.py
@@ -12,10 +12,9 @@ calls. Only the functions's names and the the call time are provided.
Usage:
Be sure that you have CONFIG_FUNCTION_TRACER
- # mkdir /debugfs
- # mount -t debug debug /debug
- # echo function > /debug/tracing/current_tracer
- $ cat /debug/tracing/trace_pipe > ~/raw_trace_func
+ # mount -t debugfs nodev /sys/kernel/debug
+ # echo function > /sys/kernel/debug/tracing/current_tracer
+ $ cat /sys/kernel/debug/tracing/trace_pipe > ~/raw_trace_func
Wait some times but not too much, the script is a bit slow.
Break the pipe (Ctrl + Z)
$ scripts/draw_functrace.py < raw_trace_func > draw_functrace