From: Matt Fleming <matt@console-pimps.org>
To: Marc Titinger <mtittinge@hotmail.com>
Cc: robert.richter@amd.com, linux-arch@vger.kernel.org,
linux@arm.linux.org.uk, linux-sh@vger.kernel.org,
peterz@infradead.org, fweisbec@gmail.com, will.deacon@arm.com,
acme@redhat.com, lethal@linux-sh.org, mingo@elte.hu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH V3 0/6] Generalise ARM perf-events backend for oprofile
Date: Mon, 13 Sep 2010 08:50:25 +0100 [thread overview]
Message-ID: <20100913075025.GA14882@console-pimps.org> (raw)
In-Reply-To: <SNT125-W35B89F6AA83C8DD22E7946BA770@phx.gbl>
On Mon, Sep 13, 2010 at 09:13:32AM +0200, Marc Titinger wrote:
>
> Hi,
>
> I'm just being curious : do these patches change the way those chips
> should be supported, that do not have a PMU-like IP, but implement
> PC-sampling thanks to a general purpose timer (not the system timer)
> ?
CPUs that do not have a PMU are not required to use the perf-events
oprofile backend, it is entirely optional. The pc-sampling timer in
oprofile is not affected by this series.
WARNING: multiple messages have this Message-ID (diff)
From: Matt Fleming <matt@console-pimps.org>
To: Marc Titinger <mtittinge@hotmail.com>
Cc: robert.richter@amd.com, linux-arch@vger.kernel.org,
linux@arm.linux.org.uk, linux-sh@vger.kernel.org,
peterz@infradead.org, fweisbec@gmail.com, will.deacon@arm.com,
acme@redhat.com, lethal@linux-sh.org, mingo@elte.hu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH V3 0/6] Generalise ARM perf-events backend for oprofile
Date: Mon, 13 Sep 2010 07:50:25 +0000 [thread overview]
Message-ID: <20100913075025.GA14882@console-pimps.org> (raw)
In-Reply-To: <SNT125-W35B89F6AA83C8DD22E7946BA770@phx.gbl>
On Mon, Sep 13, 2010 at 09:13:32AM +0200, Marc Titinger wrote:
>
> Hi,
>
> I'm just being curious : do these patches change the way those chips
> should be supported, that do not have a PMU-like IP, but implement
> PC-sampling thanks to a general purpose timer (not the system timer)
> ?
CPUs that do not have a PMU are not required to use the perf-events
oprofile backend, it is entirely optional. The pc-sampling timer in
oprofile is not affected by this series.
WARNING: multiple messages have this Message-ID (diff)
From: matt@console-pimps.org (Matt Fleming)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V3 0/6] Generalise ARM perf-events backend for oprofile
Date: Mon, 13 Sep 2010 08:50:25 +0100 [thread overview]
Message-ID: <20100913075025.GA14882@console-pimps.org> (raw)
In-Reply-To: <SNT125-W35B89F6AA83C8DD22E7946BA770@phx.gbl>
On Mon, Sep 13, 2010 at 09:13:32AM +0200, Marc Titinger wrote:
>
> Hi,
>
> I'm just being curious : do these patches change the way those chips
> should be supported, that do not have a PMU-like IP, but implement
> PC-sampling thanks to a general purpose timer (not the system timer)
> ?
CPUs that do not have a PMU are not required to use the perf-events
oprofile backend, it is entirely optional. The pc-sampling timer in
oprofile is not affected by this series.
next prev parent reply other threads:[~2010-09-13 7:50 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-13 6:07 [PATCH V3 0/6] Generalise ARM perf-events backend for oprofile Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-13 6:07 ` [PATCH 1/6] perf: Add helper function to return number of counters Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-16 12:32 ` Robert Richter
2010-09-16 12:32 ` Robert Richter
2010-09-16 12:32 ` [PATCH 1/6] perf: Add helper function to return number of Robert Richter
2010-09-13 6:07 ` [PATCH 2/6] ARM: oprofile: Rename op_arm to oprofile_perf Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-16 12:46 ` Robert Richter
2010-09-16 12:46 ` Robert Richter
2010-09-16 12:46 ` Robert Richter
2010-09-13 6:07 ` [PATCH 3/6] ARM: oprofile: Move non-ARM code into separate init/exit functions Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-16 12:55 ` Robert Richter
2010-09-16 12:55 ` Robert Richter
2010-09-16 12:55 ` [PATCH 3/6] ARM: oprofile: Move non-ARM code into separate Robert Richter
2010-09-13 6:07 ` [PATCH 4/6] oprofile: Abstract the perf-events backend Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-16 13:15 ` Robert Richter
2010-09-16 13:15 ` Robert Richter
2010-09-16 13:15 ` Robert Richter
2010-09-13 6:07 ` [PATCH 5/6] ARM: Make oprofile depend on CONFIG_HW_PERF_EVENTS Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-13 8:39 ` Will Deacon
2010-09-13 8:39 ` Will Deacon
2010-09-13 8:39 ` Will Deacon
2010-09-16 13:34 ` Robert Richter
2010-09-16 13:34 ` Robert Richter
2010-09-16 13:34 ` Robert Richter
2010-09-13 9:22 ` Sergei Shtylyov
2010-09-13 9:22 ` Sergei Shtylyov
2010-09-13 9:22 ` Sergei Shtylyov
2010-09-13 6:07 ` [PATCH 6/6] sh: oprofile: Use perf-events oprofile backend Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-13 6:07 ` Matt Fleming
2010-09-16 14:32 ` Robert Richter
2010-09-16 14:32 ` Robert Richter
2010-09-16 14:32 ` Robert Richter
2010-09-27 20:01 ` Matt Fleming
2010-09-27 20:01 ` Matt Fleming
2010-09-27 20:01 ` Matt Fleming
2010-09-27 22:07 ` Robert Richter
2010-09-27 22:07 ` Robert Richter
2010-09-27 22:07 ` Robert Richter
2010-09-27 22:26 ` Matt Fleming
2010-09-27 22:26 ` Matt Fleming
2010-09-27 22:26 ` Matt Fleming
2010-09-27 22:45 ` Robert Richter
2010-09-27 22:45 ` Robert Richter
2010-09-27 22:45 ` Robert Richter
2010-09-27 22:45 ` Robert Richter
2010-09-28 8:33 ` Matt Fleming
2010-09-28 8:33 ` Matt Fleming
2010-09-28 8:33 ` Matt Fleming
2010-09-30 1:04 ` Paul Mundt
2010-09-30 1:04 ` Paul Mundt
2010-09-30 1:04 ` Paul Mundt
2010-09-30 8:14 ` Will Deacon
2010-09-30 8:14 ` Will Deacon
2010-09-30 8:14 ` Will Deacon
2010-09-13 7:13 ` [PATCH V3 0/6] Generalise ARM perf-events backend for oprofile Marc Titinger
2010-09-13 7:13 ` Marc Titinger
2010-09-13 7:50 ` Matt Fleming [this message]
2010-09-13 7:50 ` Matt Fleming
2010-09-13 7:50 ` Matt Fleming
2010-09-13 8:51 ` Ingo Molnar
2010-09-13 8:51 ` Ingo Molnar
2010-09-13 8:51 ` Ingo Molnar
2010-09-13 11:04 ` Matt Fleming
2010-09-13 11:04 ` Matt Fleming
2010-09-13 11:04 ` Matt Fleming
2010-09-13 10:08 ` Will Deacon
2010-09-13 10:08 ` Will Deacon
2010-09-13 10:08 ` Will Deacon
2010-09-13 11:18 ` Matt Fleming
2010-09-13 11:18 ` Matt Fleming
2010-09-13 11:18 ` Matt Fleming
2010-09-16 14:48 ` Robert Richter
2010-09-16 14:48 ` Robert Richter
2010-09-16 14:48 ` Robert Richter
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