From: Peter Zijlstra <peterz@infradead.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@redhat.com>, Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Linux PPC <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH v2 02/11] perf core: export swevent hrtimer helpers
Date: Tue, 25 Feb 2014 11:20:08 +0100 [thread overview]
Message-ID: <20140225102008.GI9987@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20140225033326.7BB942C0228@ozlabs.org>
On Tue, Feb 25, 2014 at 02:33:26PM +1100, Michael Ellerman wrote:
> On Fri, 2014-14-02 at 22:02:06 UTC, Cody P Schafer wrote:
> > Export the swevent hrtimer helpers currently only used in events/core.c
> > to allow the addition of architecture specific sw-like pmus.
>
> Peter, Ingo, can we get your ACK on this please?
How are they used? I saw some usage in patch 9 or so; but its not
explained anywhere. All patches have non-existent Changelogs and the few
comments that are there are pretty hardware specific.
So please do tell; what do you need this for?
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>,
Linux PPC <linuxppc-dev@lists.ozlabs.org>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Ingo Molnar <mingo@redhat.com>, Paul Mackerras <paulus@samba.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 02/11] perf core: export swevent hrtimer helpers
Date: Tue, 25 Feb 2014 11:20:08 +0100 [thread overview]
Message-ID: <20140225102008.GI9987@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20140225033326.7BB942C0228@ozlabs.org>
On Tue, Feb 25, 2014 at 02:33:26PM +1100, Michael Ellerman wrote:
> On Fri, 2014-14-02 at 22:02:06 UTC, Cody P Schafer wrote:
> > Export the swevent hrtimer helpers currently only used in events/core.c
> > to allow the addition of architecture specific sw-like pmus.
>
> Peter, Ingo, can we get your ACK on this please?
How are they used? I saw some usage in patch 9 or so; but its not
explained anywhere. All patches have non-existent Changelogs and the few
comments that are there are pretty hardware specific.
So please do tell; what do you need this for?
next prev parent reply other threads:[~2014-02-25 10:20 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-14 22:02 [PATCH v2 00/11] powerpc: Add support for Power Hypervisor supplied performance counters Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 01/11] perf: add PMU_RANGE_ATTR() helper for use by sw-like pmus Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 20:33 ` Cody P Schafer
2014-02-25 22:19 ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 02/11] perf core: export swevent hrtimer helpers Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 10:20 ` Peter Zijlstra [this message]
2014-02-25 10:20 ` Peter Zijlstra
2014-02-25 21:38 ` Cody P Schafer
2014-02-25 21:38 ` Cody P Schafer
2014-02-26 8:29 ` Peter Zijlstra
2014-02-26 8:29 ` Peter Zijlstra
2014-02-27 19:33 ` Cody P Schafer
2014-02-27 19:33 ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 03/11] sysfs: create bin_attributes under the requested group Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-15 20:15 ` Greg Kroah-Hartman
2014-02-15 20:15 ` Greg Kroah-Hartman
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 3:33 ` Michael Ellerman
2014-02-14 22:02 ` [PATCH v2 04/11] powerpc: add hvcalls for 24x7 and gpci (get performance counter info) Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 21:13 ` Cody P Schafer
2014-02-25 21:13 ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 05/11] powerpc: add hv_gpci interface header Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 20:35 ` Cody P Schafer
2014-02-25 20:35 ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 06/11] powerpc: add 24x7 " Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 07/11] powerpc: add a shared interface to get gpci version and capabilities Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 21:20 ` Cody P Schafer
2014-02-25 21:20 ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 08/11] powerpc/perf: add support for the hv gpci (get performance counter info) interface Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 21:25 ` Cody P Schafer
2014-02-25 21:25 ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 09/11] powerpc/perf: add support for the hv 24x7 interface Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 20:55 ` Cody P Schafer
2014-02-25 20:55 ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 10/11] powerpc/perf: add kconfig option for hypervisor provided counters Cody P Schafer
2014-02-14 22:02 ` Cody P Schafer
2014-02-14 22:32 ` Scott Wood
2014-02-15 0:25 ` Cody P Schafer
2014-02-15 0:25 ` Cody P Schafer
2014-02-17 7:11 ` Michael Ellerman
2014-02-17 7:11 ` Michael Ellerman
2014-02-17 19:41 ` Cody P Schafer
2014-02-17 19:41 ` Cody P Schafer
2014-02-21 0:14 ` [PATCH v2.1 9/11] " Cody P Schafer
2014-02-21 0:14 ` Cody P Schafer
2014-02-21 0:24 ` Cody P Schafer
2014-02-21 0:24 ` Cody P Schafer
2014-02-25 3:33 ` [PATCH v2 10/11] " Michael Ellerman
2014-02-25 3:33 ` Michael Ellerman
2014-02-25 21:31 ` Cody P Schafer
2014-02-25 21:31 ` Cody P Schafer
2014-02-26 3:48 ` Michael Ellerman
2014-02-26 3:48 ` Michael Ellerman
2014-02-14 22:02 ` [PATCH v2 11/11] powerpc/perf/hv_{gpci, 24x7}: add documentation of device attributes Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 11/11] powerpc/perf/hv_{gpci,24x7}: " Cody P Schafer
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