From: Ingo Molnar <mingo@kernel.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl,
akpm@linux-foundation.org, acme@redhat.com, eranian@google.com,
jolsa@redhat.com, namhyung@kernel.org,
Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 04/12] perf, x86: Support the TSX intx/intx_cp qualifiers v2
Date: Sun, 27 Jan 2013 14:14:51 +0100 [thread overview]
Message-ID: <20130127131451.GE3933@gmail.com> (raw)
In-Reply-To: <20130126210000.GK30577@one.firstfloor.org>
* Andi Kleen <andi@firstfloor.org> wrote:
> On Sat, Jan 26, 2013 at 12:54:02PM +0100, Ingo Molnar wrote:
> >
> > * Andi Kleen <andi@firstfloor.org> wrote:
> >
> > > From: Andi Kleen <ak@linux.intel.com>
> > >
> > > Implement the TSX transaction and checkpointed transaction
> > > qualifiers for Haswell. This allows e.g. to profile the number
> > > of cycles in transactions.
> >
> > The changelog should explain why this is a basic feature
> > that is a must-have to have basic perf support. (i.e.
> > default 'perf record', 'perf report', 'perf stat' and 'perf
> > top' works and is meaningful.)
>
> The patch is not needed for primitive cycle sampling only.
So please re-send a truly minimal hw-enabling series first, as
requested - a minimal series that enables most of the everyday
usecases.
> These qualifiers are a fundamental feature for any TSX tuning.
Any new, Haswell-specific profiling features should obviously be
in a second (or third) series of patches.
Thanks,
Ingo
next prev parent reply other threads:[~2013-01-27 13:15 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-25 22:00 Basic perf PMU support for Haswell v1 Andi Kleen
2013-01-25 22:00 ` [PATCH 01/12] perf, x86: Add PEBSv2 record support Andi Kleen
2013-01-28 13:15 ` Stephane Eranian
2013-01-28 16:10 ` Andi Kleen
2013-01-31 17:15 ` Stephane Eranian
2013-01-25 22:00 ` [PATCH 02/12] perf, x86: Basic Haswell PMU support v2 Andi Kleen
2013-01-28 15:34 ` Stephane Eranian
2013-01-28 16:16 ` Andi Kleen
2013-01-25 22:00 ` [PATCH 03/12] perf, x86: Basic Haswell PEBS support v3 Andi Kleen
2013-01-28 15:56 ` Stephane Eranian
2013-01-25 22:00 ` [PATCH 04/12] perf, x86: Support the TSX intx/intx_cp qualifiers v2 Andi Kleen
2013-01-26 11:54 ` Ingo Molnar
2013-01-26 21:00 ` Andi Kleen
2013-01-27 13:14 ` Ingo Molnar [this message]
[not found] ` <20130128050234.GQ30577@one.firstfloor.org>
2013-01-28 10:47 ` Ingo Molnar
2013-01-28 16:52 ` Stephane Eranian
2013-01-28 17:37 ` Andi Kleen
2013-01-25 22:00 ` [PATCH 05/12] perf, x86: Support Haswell v4 LBR format Andi Kleen
2013-01-28 21:47 ` Stephane Eranian
2013-01-28 22:08 ` Andi Kleen
2013-01-28 22:20 ` Stephane Eranian
2013-01-25 22:00 ` [PATCH 06/12] perf, x86: Support full width counting Andi Kleen
2013-01-25 22:00 ` [PATCH 07/12] perf, x86: Avoid checkpointed counters causing excessive TSX aborts v3 Andi Kleen
2013-01-28 22:32 ` Stephane Eranian
2013-01-28 23:16 ` Andi Kleen
2013-01-29 0:30 ` Stephane Eranian
2013-01-29 1:00 ` Andi Kleen
2013-01-30 8:51 ` Stephane Eranian
2013-01-30 20:58 ` Andi Kleen
2013-01-25 22:00 ` [PATCH 08/12] perf, x86: Move NMI clearing to end of PMI handler after the counter registers are reset Andi Kleen
2013-01-25 22:00 ` [PATCH 09/12] perf, x86: Disable LBR recording for unknown LBR_FMT Andi Kleen
2013-01-25 22:00 ` [PATCH 10/12] perf, x86: Support LBR filtering by INTX/NOTX/ABORT v2 Andi Kleen
2013-01-25 22:00 ` [PATCH 11/12] perf, tools: Support sorting by intx, abort branch flags v2 Andi Kleen
2013-01-25 22:00 ` [PATCH 12/12] perf, tools: Add abort_tx,no_tx,in_tx branch filter options to perf record -j v3 Andi Kleen
2013-01-31 17:19 ` Basic perf PMU support for Haswell v1 Stephane Eranian
2013-01-31 17:47 ` Andi Kleen
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