Mailinglist Archive: opensuse-kernel (77 mails)

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Re: [opensuse-kernel] tracer in 2.6.32...
  • From: Tony Jones <tonyj@xxxxxxx>
  • Date: Mon, 7 Dec 2009 20:28:27 -0800
  • Message-id: <20091208042827.GA23838@xxxxxxx>
On Thu, Dec 03, 2009 at 03:45:12PM +0100, Matthias Hopf wrote:
On Dec 02, 09 19:12:03 +0100, Takashi Iwai wrote:
any particular reason why approximately all tracers in the kernel are
not compiled as modules by default in 2.6.32rc?
In particular, I'm interested in the sysprof tracer, because I use
sysprof every now and then. I checked the config, and all
CONFIG_*_TRACER are not set.

I don't see the reasoning behind that ATM, as the according tracer can
only be loaded and activated by root.

I also don't know the reason, but doesn't perf work enough for you?

Not even close. You need to recompile for perf, it only profiles a
single application, output is unreadable.

Are we talking about the same /usr/bin/perf packaged in 11.2?

I can't see why (for the -trace flavor) CONFIG_*_TRACER should not be enabled.
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