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Message-ID: <ZA9sYL/re/aNVpo+@kernel.org>
Date: Mon, 13 Mar 2023 15:33:04 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Thomas Richter <tmricht@...ux.ibm.com>,
linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
sumanthk@...ux.ibm.com, svens@...ux.ibm.com, gor@...ux.ibm.com,
hca@...ux.ibm.com
Subject: Re: [PATCH 2/6] tools/perf/json: Add cache metrics for s390 z16
Em Mon, Mar 13, 2023 at 08:22:44AM -0700, Ian Rogers escreveu:
> On Mon, Mar 13, 2023 at 1:30 AM Thomas Richter <tmricht@...ux.ibm.com> wrote:
> >
> > Add metrics for s390 z16
> > - Percentage sourced from Level 2 cache
> > - Percentage sourced from Level 3 on same chip cache
> > - Percentage sourced from Level 4 Local cache on same book
> > - Percentage sourced from Level 4 Remote cache on different book
> > - Percentage sourced from memory
> >
> > For details about the formulas see this documentation:
> > https://www.ibm.com/support/pages/system/files/inline-files/CPU%20MF%20Formulas%20including%20z16%20-%20May%202022_1.pdf
> >
> > Outpuf after:
> > # ./perf stat -M l4rp -- dd if=/dev/zero of=/dev/null bs=10M count=10K
> > .... dd output deleted
> >
> > Performance counter stats for 'dd if=/dev/zero of=/dev/null bs=10M count=10K':
> >
> > 0 IDCW_OFF_DRAWER_CHIP_HIT # 0.00 l4rp
> > 431,866 L1I_DIR_WRITES
> > 2,395 IDCW_OFF_DRAWER_IV
> > 0 ICW_OFF_DRAWER
> > 0 IDCW_OFF_DRAWER_DRAWER_HIT
> > 1,437 DCW_OFF_DRAWER
> > 425,960,793 L1D_DIR_WRITES
> >
> > 12.165030699 seconds time elapsed
> >
> > 0.001037000 seconds user
> > 12.162140000 seconds sys
> >
> > #
> >
> > Signed-off-by: Thomas Richter <tmricht@...ux.ibm.com>
> > Acked-By: Sumanth Korikkar <sumanthk@...ux.ibm.com>
>
> Acked-by: Ian Rogers <irogers@...gle.com>
Thanks, applied the first two patches, please address the review
suggestions for patches 3-6 and resubmit only those.
The patches will be in the public perf-tools-next branch later today.
- Arnaldo
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