From: David Boreham <david_list@boreham.org>
To: "Frank Ch. Eigler" <fche@redhat.com>
Cc: SystemTap <systemtap@sources.redhat.com>
Subject: Re: user mode backtrace
Date: Fri, 20 Oct 2006 00:15:00 -0000 [thread overview]
Message-ID: <45381525.7000100@boreham.org> (raw)
In-Reply-To: <y0m3b9jx3vi.fsf@ton.toronto.redhat.com>
>
>
>We don't yet have a good answer to user-space stuff in general. We
>may adopt a mixture of two approaches: one where the compiled
>systemtap probes get some extract of backtrace-enabling unwind
>information for selected user-space programs and libraries (so the
>backtrace processing can be done instantly right there); and another
>one where the probe may snapshot only an approximation (say a vector
>of probable PCs from the thread's stack frame), and rely on a
>user-space helper to correct/complete it for output later, off-line.
>
>
Given the choice I'd prefer the latter because it'd be less intrusive.
next prev parent reply other threads:[~2006-10-20 0:15 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-19 20:47 David Boreham
2006-10-19 22:33 ` Vara Prasad
2006-10-19 22:51 ` David Boreham
2006-10-20 14:28 ` William Cohen
2006-10-20 14:50 ` David Boreham
2006-10-19 23:50 ` Frank Ch. Eigler
2006-10-20 0:15 ` David Boreham [this message]
2006-10-20 0:27 ` Frank Ch. Eigler
2006-10-19 22:56 Stone, Joshua I
2006-10-19 23:07 ` David Boreham
2006-10-19 23:24 ` David Boreham
2006-10-20 0:09 ` Frank Ch. Eigler
2006-10-20 2:02 Stone, Joshua I
2006-10-20 2:13 Stone, Joshua I
2006-10-20 18:34 Stone, Joshua I
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