Problem with pmcstat
Invernizzi Fabrizio
fabrizio.invernizzi at telecomitalia.it
Thu Aug 6 13:07:51 UTC 2009
Hi all
i am doing some performance testing with FreeBSD (64 bit) and i would like to use pmcstat.
I recompiled the kernel with
options HWPMC_HOOKS
device hwpmc
When i restart the system looks like being ok
#sysctl -a | grep hwpmc
kern.hwpmc.nbuffers: 16
kern.hwpmc.logbuffersize: 4
kern.hwpmc.mtxpoolsize: 32
kern.hwpmc.nsamples: 32
kern.hwpmc.hashsize: 16
but the pmcstat gives me this error:
# pmcstat -s p6-hw-int-rx -w 1
pmcstat: ERROR: Initialization of the pmc(3) library failed: No such file or directory
I googled a lot, but nothing about this problem. Consider that on the same hardware with 7.2-RELEASE 32 bit everything was working.
Anyone can help me?
This are some details:
uname -a
FreeBSD INTRUDER-64.ipv6.tilab.com 7.2-RELEASE FreeBSD 7.2-RELEASE #3: Thu Aug 6 11:36:53 CEST 2009 amd64
Server: HP DL 180G5
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Telecom Italia
Fabrizio INVERNIZZI
Technology - TILAB
Accesso Fisso e Trasporto
Via Reiss Romoli, 274 10148 Torino
Tel. +39 011 2285497
Mob. +39 3316001344
Fax +39 06 41867287
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