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From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
To: Runzhen Wang <runzhen@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	michael@ellerman.id.au, paulus@samba.org, acme@redhat.com,
	xiaoguangrong@linux.vnet.ibm.com, icycoder@gmail.com
Subject: Re: [PATCH 2/2] perf tools: Make Power7 events available for perf
Date: Wed, 19 Jun 2013 09:14:46 -0700	[thread overview]
Message-ID: <20130619161446.GB13326@us.ibm.com> (raw)
In-Reply-To: <1371633326-7696-2-git-send-email-runzhen@linux.vnet.ibm.com>

Runzhen Wang [runzhen@linux.vnet.ibm.com] wrote:
| Power7 supports over 530 different perf events but only a small
| subset of these can be specified by name, for the remaining
| events, we must specify them by their raw code:
| 
|         perf stat -e r2003c <application>
| 
| This patch makes all the POWER7 events available in sysfs.
| So we can instead specify these as:
| 
|         perf stat -e 'cpu/PM_CMPLU_STALL_DFU/' <application>
| 
| where PM_CMPLU_STALL_DFU is the r2003c in previous example.
| 
| Before this patch is applied, the size of power7-pmu.o is:
| 
| $ size arch/powerpc/perf/power7-pmu.o
|    text	   data	    bss	    dec	    hex	filename
|    3073	   2720	      0	   5793	   16a1	arch/powerpc/perf/power7-pmu.o
| 
| and after the patch is applied, it is:
| 
| $ size arch/powerpc/perf/power7-pmu.o
|    text	   data	    bss	    dec	    hex	filename
|   14451	  31112	      0	  45563	   b1fb	arch/powerpc/perf/power7-pmu.o
| 
| Signed-off-by: Runzhen Wang <runzhen@linux.vnet.ibm.com>

Reviewed-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>


WARNING: multiple messages have this Message-ID (diff)
From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
To: Runzhen Wang <runzhen@linux.vnet.ibm.com>
Cc: acme@redhat.com, icycoder@gmail.com,
	linux-kernel@vger.kernel.org, xiaoguangrong@linux.vnet.ibm.com,
	paulus@samba.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 2/2] perf tools: Make Power7 events available for perf
Date: Wed, 19 Jun 2013 09:14:46 -0700	[thread overview]
Message-ID: <20130619161446.GB13326@us.ibm.com> (raw)
In-Reply-To: <1371633326-7696-2-git-send-email-runzhen@linux.vnet.ibm.com>

Runzhen Wang [runzhen@linux.vnet.ibm.com] wrote:
| Power7 supports over 530 different perf events but only a small
| subset of these can be specified by name, for the remaining
| events, we must specify them by their raw code:
| 
|         perf stat -e r2003c <application>
| 
| This patch makes all the POWER7 events available in sysfs.
| So we can instead specify these as:
| 
|         perf stat -e 'cpu/PM_CMPLU_STALL_DFU/' <application>
| 
| where PM_CMPLU_STALL_DFU is the r2003c in previous example.
| 
| Before this patch is applied, the size of power7-pmu.o is:
| 
| $ size arch/powerpc/perf/power7-pmu.o
|    text	   data	    bss	    dec	    hex	filename
|    3073	   2720	      0	   5793	   16a1	arch/powerpc/perf/power7-pmu.o
| 
| and after the patch is applied, it is:
| 
| $ size arch/powerpc/perf/power7-pmu.o
|    text	   data	    bss	    dec	    hex	filename
|   14451	  31112	      0	  45563	   b1fb	arch/powerpc/perf/power7-pmu.o
| 
| Signed-off-by: Runzhen Wang <runzhen@linux.vnet.ibm.com>

Reviewed-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>

  reply	other threads:[~2013-06-19 16:15 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-19  9:15 [PATCH 1/2] perf tools: fix a typo of a Power7 event name Runzhen Wang
2013-06-19  9:15 ` Runzhen Wang
2013-06-19  9:15 ` [PATCH 2/2] perf tools: Make Power7 events available for perf Runzhen Wang
2013-06-19  9:15   ` Runzhen Wang
2013-06-19 16:14   ` Sukadev Bhattiprolu [this message]
2013-06-19 16:14     ` Sukadev Bhattiprolu
2013-06-20  1:41   ` Michael Ellerman
2013-06-20  1:41     ` Michael Ellerman
2013-06-20 10:57     ` David Laight
2013-06-20 10:57       ` David Laight
2013-06-19 16:13 ` [PATCH 1/2] perf tools: fix a typo of a Power7 event name Sukadev Bhattiprolu
2013-06-19 16:13   ` Sukadev Bhattiprolu
2013-06-20  1:21 ` Michael Ellerman
2013-06-20  1:21   ` Michael Ellerman
2013-06-20  2:28   ` Sukadev Bhattiprolu
2013-06-20  2:28     ` Sukadev Bhattiprolu

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