All of lore.kernel.org
 help / color / mirror / Atom feed
From: Namhyung Kim <namhyung@kernel.org>
To: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Jiri Olsa <jolsa@kernel.org>,
	Stephane Eranian <eranian@google.com>,
	Ian Rogers <irogers@google.com>, Joe Mario <jmario@redhat.com>,
	Leo Yan <leo.yan@linaro.org>,
	alisaidi@amazon.com, Andi Kleen <ak@linux.intel.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	dave.hansen@linux.intel.com, "H. Peter Anvin" <hpa@zytor.com>,
	Ingo Molnar <mingo@redhat.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Borislav Petkov <bp@alien8.de>,
	x86@kernel.org,
	linux-perf-users <linux-perf-users@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Sandipan Das <sandipan.das@amd.com>,
	ananth.narayan@amd.com, Kim Phillips <kim.phillips@amd.com>,
	santosh.shukla@amd.com
Subject: Re: [PATCH v3 04/15] perf/x86/amd: Support PERF_SAMPLE_{WEIGHT|WEIGHT_STRUCT}
Date: Thu, 29 Sep 2022 22:09:03 -0700	[thread overview]
Message-ID: <CAM9d7chNQsydfqMbVLY5tHFXE9kyjkqDA1SKWtR5vsBCV5u1hg@mail.gmail.com> (raw)
In-Reply-To: <20220928095805.596-5-ravi.bangoria@amd.com>

On Wed, Sep 28, 2022 at 2:59 AM Ravi Bangoria <ravi.bangoria@amd.com> wrote:
>
> IbsDcMissLat indicates the number of clock cycles from when a miss is
> detected in the data cache to when the data was delivered to the core.
> Similarly, IbsTagToRetCtr provides number of cycles from when the op
> was tagged to when the op was retired. Consider these fields for
> sample->weight.
>
> Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
> ---
> Note:
> While opening a new event, perf tool starts with a set of attributes
> and goes on reverting some attributes in a predefined order until it
> succeeds or run out or all attempts. Here, 1st attempt includes both
> WEIGHT_STRUCT and exclude_guest which always fails because IBS does
> not support guest filtering. The problem however is, perf reverts
> WEIGHT_STRUCT but keeps trying with exclude_guest. Thus, although,
> this patch enables WEIGHT_STRUCT support from kernel, using it from
> the perf tool needs more changes(not included in this series).

Yeah, it'd be nice if kernel could expose more pmu capabilities like
no-exclude then tools can skip setting it for them.

Thanks,
Namhyung

  reply	other threads:[~2022-09-30  5:09 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-28  9:57 [PATCH v3 00/15] perf mem/c2c: Add support for AMD Ravi Bangoria
2022-09-28  9:57 ` [PATCH v3 01/15] perf/mem: Introduce PERF_MEM_LVLNUM_{EXTN_MEM|IO} Ravi Bangoria
2022-09-30  9:31   ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2022-09-30 10:48   ` [PATCH v3 01/15] " kajoljain
2022-09-30 12:50     ` Ravi Bangoria
2022-09-30 14:17       ` Liang, Kan
2022-10-01  6:37         ` Ravi Bangoria
2022-10-03 13:15           ` Liang, Kan
2022-10-06 11:38             ` Ravi Bangoria
2022-10-14 13:53               ` Arnaldo Carvalho de Melo
2022-10-14 15:04                 ` Ravi Bangoria
2022-10-27  8:25           ` Peter Zijlstra
2022-10-28  6:41           ` [tip: perf/urgent] perf/mem: Rename PERF_MEM_LVLNUM_EXTN_MEM to PERF_MEM_LVLNUM_CXL tip-bot2 for Ravi Bangoria
2022-09-28  9:57 ` [PATCH v3 02/15] perf/x86/amd: Add IBS OP_DATA2 DataSrc bit definitions Ravi Bangoria
2022-09-30  4:41   ` Namhyung Kim
2022-09-30  4:48     ` Ravi Bangoria
2022-09-30  5:11       ` Namhyung Kim
2022-09-30  6:16         ` Ravi Bangoria
2022-09-30  9:31   ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2022-09-28  9:57 ` [PATCH v3 03/15] perf/x86/amd: Support PERF_SAMPLE_DATA_SRC Ravi Bangoria
2022-09-30  9:31   ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2022-09-28  9:57 ` [PATCH v3 04/15] perf/x86/amd: Support PERF_SAMPLE_{WEIGHT|WEIGHT_STRUCT} Ravi Bangoria
2022-09-30  5:09   ` Namhyung Kim [this message]
2022-09-30  9:31   ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2022-09-28  9:57 ` [PATCH v3 05/15] perf/x86/amd: Support PERF_SAMPLE_ADDR Ravi Bangoria
2022-09-30  9:31   ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2022-09-28  9:57 ` [PATCH v3 06/15] perf/x86/amd: Support PERF_SAMPLE_PHY_ADDR Ravi Bangoria
2022-09-30  4:59   ` Namhyung Kim
2022-09-30  5:05     ` Ravi Bangoria
2022-09-30  9:31   ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2022-09-30 17:02   ` [PATCH v3 06/15] " Jiri Olsa
2022-09-28  9:57 ` [PATCH v3 07/15] perf/uapi: Define PERF_MEM_SNOOPX_PEER in kernel header file Ravi Bangoria
2022-09-30  9:31   ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2022-09-28  9:57 ` [PATCH v3 08/15] perf tool: Sync include/uapi/linux/perf_event.h header Ravi Bangoria
2022-09-28  9:57 ` [PATCH v3 09/15] perf tool: Sync arch/x86/include/asm/amd-ibs.h header Ravi Bangoria
2022-09-28  9:58 ` [PATCH v3 10/15] perf mem: Add support for printing PERF_MEM_LVLNUM_{EXTN_MEM|IO} Ravi Bangoria
2022-09-28  9:58 ` [PATCH v3 11/15] perf mem/c2c: Set PERF_SAMPLE_WEIGHT for LOAD_STORE events Ravi Bangoria
2022-09-28  9:58 ` [PATCH v3 12/15] perf mem/c2c: Add load store event mappings for AMD Ravi Bangoria
2022-09-28  9:58 ` [PATCH v3 13/15] perf mem/c2c: Avoid printing empty lines for unsupported events Ravi Bangoria
2022-09-28  9:58 ` [PATCH v3 14/15] perf mem: Use more generic term for LFB Ravi Bangoria
2022-09-28  9:58 ` [PATCH v3 15/15] perf script: Add missing fields in usage hint Ravi Bangoria

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAM9d7chNQsydfqMbVLY5tHFXE9kyjkqDA1SKWtR5vsBCV5u1hg@mail.gmail.com \
    --to=namhyung@kernel.org \
    --cc=acme@kernel.org \
    --cc=ak@linux.intel.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=alisaidi@amazon.com \
    --cc=ananth.narayan@amd.com \
    --cc=bp@alien8.de \
    --cc=dave.hansen@linux.intel.com \
    --cc=eranian@google.com \
    --cc=hpa@zytor.com \
    --cc=irogers@google.com \
    --cc=jmario@redhat.com \
    --cc=jolsa@kernel.org \
    --cc=kan.liang@linux.intel.com \
    --cc=kim.phillips@amd.com \
    --cc=leo.yan@linaro.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-perf-users@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=mingo@redhat.com \
    --cc=peterz@infradead.org \
    --cc=ravi.bangoria@amd.com \
    --cc=sandipan.das@amd.com \
    --cc=santosh.shukla@amd.com \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.