Messages in this thread | | | Subject | Re: [PATCH 2/2] trace,x86: Add x86 irq vector entry/exit tracepoints | From | Steven Rostedt <> | Date | Fri, 03 Feb 2012 10:40:56 -0500 |
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On Wed, 2011-12-14 at 17:34 +0100, Frederic Weisbecker wrote:
> Well ftrace is a whole subsystem that includes the function tracer and also an interface > for tracepoints in debugfs. I was rather suggesting the latter one. This is a good > choice for background tracing. And it supports stacktraces. If those generate too much > overhead perhaps you can tune the number of entries in the stacktrace, I don't remember > if we can do that currently but this can be an interesting feature.
Setting individual stack tracing does sound like a neat feature. Maybe even determine a limit of how much to backtrace. Trace the full stack, or just trace a given amount of frames.
This shouldn't be too hard to implement.
-- Steve
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