From: "Daniel P. Berrange" <berrange@redhat.com>
To: Gadre Nayan <gadrenayan@gmail.com>
Cc: qemu-devel@nongnu.org, qemu-discuss@nongnu.org
Subject: Re: [Qemu-devel] Libvirt add ftrace option
Date: Wed, 17 Aug 2016 09:56:19 +0100 [thread overview]
Message-ID: <20160817085619.GB4697@redhat.com> (raw)
In-Reply-To: <CAKJ7aR5PLZg2OZN6StZ3SdQwahG--=11ugsuLjeXBCB01p-p+A@mail.gmail.com>
On Wed, Aug 17, 2016 at 09:43:10AM +0530, Gadre Nayan wrote:
> Ok. so I will then shift to using system tap, Are the timestamps
> generated for events compatible with the ftrace timestamps? so that I
> can still merge the traces using TSC_OFFSET.
I'm not sure what timestamps exactl you're using with ftrace, but systemtap
provides a range of time functions. See man pages for
function::get_cycles, function::jiffies, function::HZ, function::gettimeofday_us
function::ctime and more.
Regards,
Daniel
--
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prev parent reply other threads:[~2016-08-17 8:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-16 14:03 [Qemu-devel] Libvirt add ftrace option Gadre Nayan
2016-08-16 14:18 ` Daniel P. Berrange
2016-08-16 14:24 ` Gadre Nayan
2016-08-16 14:35 ` Daniel P. Berrange
2016-08-17 4:13 ` Gadre Nayan
2016-08-17 8:56 ` Daniel P. Berrange [this message]
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