Messages in this thread |  | | | Date | Mon, 12 Oct 2009 15:59:15 +0200 | | Subject | Re: [PATCH] ftrace: add kernel command line graph function filtering | | From | Frédéric Weisbecker <> |
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Le 12 octobre 2009 15:46, Steven Rostedt <rostedt@goodmis.org> a écrit : > On Mon, 2009-10-12 at 11:09 +0200, Frédéric Weisbecker wrote: >> 2009/10/12 Stefan Assmann <sassmann@redhat.com>: >> > From 894e934e782ddaa33eb6d156d8326cdf479b5f62 Mon Sep 17 00:00:00 2001 >> > From: Stefan Assmann <sassmann@redhat.com> >> > Date: Mon, 12 Oct 2009 09:11:47 +0200 >> > Subject: [PATCH] ftrace: add kernel command line graph function filtering >> > >> > Add a command line parameter to allow limiting the function graphs that >> > are traced on boot up, when ftrace=function_graph is specified. >> > >> > This patch adds the following command line option: >> > ftrace_graph_filter=function-list >> >> >> If we use this parameter, we undoubtedly want to launch the function >> graph tracer. >> I'd then suggest to arm ftrace=function_graph automatically if we have >> ftrace_graph_filter >> set. >> > > Actually, I disagree. I may just be lazy, and want to set up the > function graph to a particular set of functions. It doesn't mean I want > to run the function_graph tracer on boot up. > > This is the same reason I don't automatically set up ftrace=function > when the filter and notrace functions are set.
No problem. I'll take the previous patch then, plus the kernel parameter doc fix in the current one :-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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