Date: Wed, 5 Sep 2012 09:33:55 +0200 From: Fabien Thomas <fabien.thomas@netasq.com> To: Baptiste Daroussin <bapt@FreeBSD.org> Cc: freebsd-current <freebsd-current@FreeBSD.org> Subject: Re: [CFT] hwpmc support for Intel Ivy Bridge Message-ID: <441C9DEC-517B-4991-A2F9-33E8080C0B19@netasq.com> In-Reply-To: <20120904192320.GF88081@ithaqua.etoilebsd.net> References: <0D822C75-7240-42E3-8780-18CABC9C45A1@netasq.com> <20120903212340.GE88081@ithaqua.etoilebsd.net> <60A32BCE-756A-4A0D-A24D-7AC42F71BD1A@netasq.com> <20120904192320.GF88081@ithaqua.etoilebsd.net>
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>=20 > Hi, >=20 > here are the results >=20 > # pmccontrol -L > SOFT > CLOCK.STAT > CLOCK.HARD > LOCK.FAILED > PAGE_FAULT.WRITE > PAGE_FAULT.READ > PAGE_FAULT.ALL >=20 Seems that the CPU was not detected can you dump the dmesg with CPU: = section ?=20 As Davide ask, if you are in a VM pmc are not usable in the virtualized = HW. > # pmcstat -SOFF_CORE_RESPONSE_0,rsp=3DREQ_DMND_DATA_RD+RES_ANY -w1 -T > pmcstat: ERROR: Cannot allocate system-mode pmc with specification = "OFF_CORE_RESPONSE_0,rsp=3DREQ_DMND_DATA_RD+RES_ANY": Invalid argument >=20 > # pmcstat -n2000000 -S INSTR_RETIRED_ANY -w4 -T > pmcstat: ERROR: Cannot allocate system-mode pmc with specification = "INSTR_RETIRED_ANY": Invalid argument >=20 > # pmcstat -n2000000 -S INSTR_RETIRED_ANY -w4 -T > pmcstat: ERROR: Cannot allocate system-mode pmc with specification = "INSTR_RETIRED_ANY": Invalid argument >=20 > # pmcstat -SPAGE_FAULT.ALL -w4 -T > (This one seems to work correctly >=20 > # pmcstat -SOFF_CORE_RESPONSE_0,rsp=3DREQ_DMND_DATA_RD+RES_ANY = -n2000000 -SCPU_CLK_UNHALTED.THREAD_P -n2000000 -S INSTR_RETIRED_ANY = -SPAGE_FAULT > pmcstat: ERROR: Cannot allocate system-mode pmc with specification = "OFF_CORE_RESPONSE_0,rsp=3DREQ_DMND_DATA_RD+RES_ANY": Invalid argument >=20 > The pmctest.py fails:=20 > # ./test/hwpmc/pmctest.py > Traceback (most recent call last): > File "./test/hwpmc/pmctest.py", line 94, in <module> > main() > File "./test/hwpmc/pmctest.py", line 81, in main > stdout=3DPIPE) > File "/usr/local/lib/python2.7/subprocess.py", line 679, in __init__ > errread, errwrite) > File "/usr/local/lib/python2.7/subprocess.py", line 1249, in = _execute_child > raise child_exception > TypeError: execv() arg 2 must contain only strings >=20 >=20 > regards, > Bapt
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