On Wed, Nov 7, 2012 at 3:53 PM, Masami Hiramatsu
wrote:
> (2012/11/07 5:52), Arnaldo Carvalho de Melo wrote:
>> Em Mon, Nov 05, 2012 at 02:50:47PM +0100, Stephane Eranian escreveu:
>>> Or if one is interested in the data view:
>>> $ perf mem -t load rep --sort=symbol_daddr,cost
>>> # Samples: 19K
(2012/11/07 5:52), Arnaldo Carvalho de Melo wrote:
> Em Mon, Nov 05, 2012 at 02:50:47PM +0100, Stephane Eranian escreveu:
>> Or if one is interested in the data view:
>> $ perf mem -t load rep --sort=symbol_daddr,cost
>> # Samples: 19K of event 'cpu/mem-loads/pp'
>> # Total cost : 1013994
>> # Sort
On Wed, Nov 7, 2012 at 8:38 AM, Namhyung Kim wrote:
> Hi Arnaldo,
>
> On Tue, 6 Nov 2012 17:52:21 -0300, Arnaldo Carvalho de Melo wrote:
>> Em Mon, Nov 05, 2012 at 02:50:47PM +0100, Stephane Eranian escreveu:
>> [root@sandy acme]# perf mem -t load rep --stdio
>> --sort=symbol,symbol_daddr,cost
>>
Hi Arnaldo,
On Tue, 6 Nov 2012 17:52:21 -0300, Arnaldo Carvalho de Melo wrote:
> Em Mon, Nov 05, 2012 at 02:50:47PM +0100, Stephane Eranian escreveu:
> [root@sandy acme]# perf mem -t load rep --stdio
> --sort=symbol,symbol_daddr,cost
> # Samples: 30 of event 'cpu/mem-loads/pp'
> # Total cost : 6
Em Mon, Nov 05, 2012 at 02:50:47PM +0100, Stephane Eranian escreveu:
> Or if one is interested in the data view:
> $ perf mem -t load rep --sort=symbol_daddr,cost
> # Samples: 19K of event 'cpu/mem-loads/pp'
> # Total cost : 1013994
> # Sort order : symbol_daddr,cost
> #
> # Overhead Samples
This patch series had a new feature to the kernel perf_events
interface and corresponding user level tool, perf.
With this patch, it is possible to sample (not trace) memory
accesses (load, store). For loads, the instruction and data
addresses are captured along with the latency and data source.
F
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