Date: Tue, 4 Sep 2012 15:33:23 +0200 From: Davide Italiano <davide@freebsd.org> To: Fabien Thomas <fabien.thomas@netasq.com> Cc: Baptiste Daroussin <bapt@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: [CFT] hwpmc support for Intel Ivy Bridge Message-ID: <CACYV=-Fyz_HOhcodoWA1c%2BWEB3XeN2CaifjLNDxhDZ0-0ddFKg@mail.gmail.com> In-Reply-To: <60A32BCE-756A-4A0D-A24D-7AC42F71BD1A@netasq.com> References: <0D822C75-7240-42E3-8780-18CABC9C45A1@netasq.com> <20120903212340.GE88081@ithaqua.etoilebsd.net> <60A32BCE-756A-4A0D-A24D-7AC42F71BD1A@netasq.com>
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On Tue, Sep 4, 2012 at 9:35 AM, Fabien Thomas <fabien.thomas@netasq.com> wr= ote: > > Le 3 sept. 2012 =E0 23:23, Baptiste Daroussin a =E9crit : > >> On Mon, Sep 03, 2012 at 02:04:21PM +0200, Fabien Thomas wrote: >>> Hi, >>> >>> Find a patch that add Intel Ivy Bridge support to hwpmc(9). >>> The patch also support offcore RSP token for Sandy Bridge. >>> Note: No uncore support. >>> >>> Tested on: >>> Intel(R) Xeon(R) CPU E3-1265L V2 @ 2.50GHz (2494.35-MHz K8-class CPU) >>> Origin =3D "GenuineIntel" Id =3D 0x306a9 Family =3D 6 Model =3D 3a = Stepping =3D 9 >>> >>> http://people.freebsd.org/~fabient/patch-hwpmc_ivy_bridge_head >>> >>> cd /usr/src && patch -p0 < patch-hwpmc_ivy_bridge_head >>> and rebuild world. >>> >>> >>> Fabien >> >> World building, I'll keep you in touch >> >> Is there any particulat testing, I can do other than using the new world= ? > > Thanks for testing! > > Yes you can test it quickly using top mode for example: > > kldload hwpmc > pmccontrol -L to list all events > > some test: > > - offcore > pmcstat -SOFF_CORE_RESPONSE_0,rsp=3DREQ_DMND_DATA_RD+RES_ANY -w1 -T > > - unhalted cycle (programmable counter) > pmcstat -n2000000 -SCPU_CLK_UNHALTED.THREAD_P -w4 -T > > - INSTR_RETIRED_ANY (fixed counter) > pmcstat -n2000000 -S INSTR_RETIRED_ANY -w4 -T > > - Soft counter: > pmcstat -SPAGE_FAULT.ALL -w4 -T > > all at the same time (and change view by pressing 'p': > pmcstat -SOFF_CORE_RESPONSE_0,rsp=3DREQ_DMND_DATA_RD+RES_ANY -n2000000 -S= CPU_CLK_UNHALTED.THREAD_P -n2000000 -S INSTR_RETIRED_ANY -SPAGE_FAULT.ALL= -w1 -T > > > all events are described in the man page pmc.ivybridge > > >> >> regards, >> Bapt > I suggest you to run the script you can find in /head/tools/test/hwpmc/pmctest.py , courtesy of gnn@. Thanks Davide
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