From: Jiri Olsa <jolsa@redhat.com>
To: Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
mingo@elte.hu, ak@linux.intel.com, acme@redhat.com,
namhyung.kim@lge.com
Subject: Re: [PATCH v4 07/18] perf: add generic memory sampling interface
Date: Sat, 5 Jan 2013 19:38:16 +0100 [thread overview]
Message-ID: <20130105183816.GA995@krava.brq.redhat.com> (raw)
In-Reply-To: <1356018108-6081-8-git-send-email-eranian@google.com>
On Thu, Dec 20, 2012 at 04:41:37PM +0100, Stephane Eranian wrote:
> This patch adds PERF_SAMPLE_COST and PERF_SAMPLE_DSRC.
I guess PERF_SAMPLE_COST was replaced by PERF_SAMPLE_WEIGHT added by Andi
jirka
> The first collects a cost associated with the sampled
> event. In case of memory access, the cost would be
> the latency of the load, otherwise it defaults to
> the sampling period.
>
> PERF_SAMPLE_DSRC collects the data source, i.e., where
> did the data associated with the sampled instruction
> come from. Information is stored in a perf_mem_dsrc
> structure. It contains opcode, mem level, tlb, snoop,
> lock information, subject to availability in hardware.
>
> Signed-off-by: Stephane Eranian <eranian@google.com>
next prev parent reply other threads:[~2013-01-05 18:38 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-20 15:41 [PATCH v4 00/18] perf: add memory access sampling support Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 01/18] perf, x86: Support CPU specific sysfs events Stephane Eranian
2013-01-02 14:04 ` Jiri Olsa
2013-01-02 17:07 ` Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 02/18] perf/x86: improve sysfs event mapping with event string Stephane Eranian
2013-01-02 14:05 ` Jiri Olsa
2012-12-20 15:41 ` [PATCH v4 03/18] perf/x86: add flags to event constraints Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 04/18] perf, core: Add a concept of a weightened sample Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 05/18] perf: add minimal support for PERF_SAMPLE_WEIGHT Stephane Eranian
2013-01-02 14:07 ` Jiri Olsa
2013-01-07 13:10 ` Stephane Eranian
2013-01-07 13:27 ` Jiri Olsa
2013-01-07 14:03 ` Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 06/18] perf: add support for PERF_SAMPLE_ADDR in dump_sampple() Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 07/18] perf: add generic memory sampling interface Stephane Eranian
2013-01-05 18:38 ` Jiri Olsa [this message]
2013-01-05 19:05 ` Jiri Olsa
2013-01-06 6:43 ` Andi Kleen
2012-12-20 15:41 ` [PATCH v4 08/18] perf/x86: add memory profiling via PEBS Load Latency Stephane Eranian
2013-01-05 18:43 ` Jiri Olsa
2013-01-06 20:37 ` Stephane Eranian
2013-01-07 10:11 ` Jiri Olsa
2013-01-07 12:34 ` Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 09/18] perf/x86: export PEBS load latency threshold register to sysfs Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 10/18] perf/x86: add support for PEBS Precise Store Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 11/18] perf tools: add mem access sampling core support Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 12/18] perf report: add support for mem access profiling Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 13/18] perf record: " Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 14/18] perf tools: add new mem command for memory " Stephane Eranian
2013-01-02 14:16 ` Jiri Olsa
2013-01-07 13:04 ` Stephane Eranian
2013-01-07 13:08 ` Jiri Olsa
2012-12-20 15:41 ` [PATCH v4 15/18] perf: add PERF_RECORD_MISC_MMAP_DATA to RECORD_MMAP Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 16/18] perf tools: detect data vs. text mappings Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 17/18] perf tools: Ignore ABS symbols when loading data maps Stephane Eranian
2012-12-20 15:41 ` [PATCH v4 18/18] perf tools: Fix output of symbol_daddr offset Stephane Eranian
2012-12-20 16:05 ` [PATCH v4 00/18] perf: add memory access sampling support Jiri Olsa
2012-12-20 16:07 ` Stephane Eranian
2012-12-20 16:12 ` Jiri Olsa
2012-12-20 16:44 ` Stephane Eranian
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