lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Tue, 20 Oct 2009 08:00:43 +0200
From:	Ingo Molnar <>
To:	Peter Zijlstra <>,
	Arnaldo Carvalho de Melo <>,
	Mike Galbraith <>,
	Frédéric Weisbecker <>
Cc:	Tim Blechmann <>,
Subject: Re: pref record question

* Peter Zijlstra <> wrote:

> On Mon, 2009-10-19 at 19:04 +0200, Tim Blechmann wrote:
> > i am trying to do some profiling with perf ( while 
> > thread-level profiling works fine, i haven't been able to record 
> > profiling data of a whole process (i.e. main thread + child 
> > threads). from my understanding, this should be enabled by running 
> > 'perf record -i' on the main thread. this does only collect the data 
> > from the main thread, though.
> > 
> > is this an issue with perf or with my understanding of perf?
> -i will only inherit the counters on new fork()/clone() calls, so an 
> existing process/task tree will not automagically get the counters.

Looks like something very much worth fixing.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists