Re: [CFT] hwpmc support for Intel Ivy Bridge


>=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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