Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 6 Aug 2009 20:04:38 -0400 (EDT) | From | Steven Rostedt <> | Subject | Re: [PATCH] ftrace: Add vim script to enable folding for function_graph traces |
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On Thu, 6 Aug 2009, Josh Triplett wrote:
> function_graph traces look like nested function calls, complete with > braces denoting the start and end of functions. function-graph-fold.vim > teaches vim how to fold these functions, to make it more convenient to > browse them. > > To use, :source function-graph-fold.vim while viewing a function_graph > trace, or use "view -S function-graph-fold.vim some-trace" to load it > from the command-line together with a trace. You can then use the usual > vim fold commands, such as "za", to open and close nested functions. > While closed, a fold will show the total time taken for a call, as would > normally appear on the line with the closing brace. Folded functions > will not include finish_task_switch(), so folding should remain > relatively sane even through a context switch. > > Note that this will almost certainly only work well with a single-CPU > trace (e.g. trace-cmd report --cpu 1). It also takes some time to run > (a few seconds for a large trace on my laptop). Nevertheless, I found > it very handy to get an overview of a trace and then drill down on > problematic calls. > > Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Thanks Josh,
I queued it up for 32.
-- Steve
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