hwpmc overflow

2011-09-20 Thread Anton Yuzhaninov
output I see overflous. Example output: http://pastebin.com/JiEF9AcU 2120463169 2139646836 281472837488169 281472855479093 2139646836 is near to 2^31 - max value for signed int (int32_t) -- Anton Yuzhaninov ___ freebsd-performance@freebsd.org mailing

Re: hwpmc overflow

2011-09-20 Thread Anton Yuzhaninov
On Tue, 20 Sep 2011 16:12:57 + (UTC), Anton Yuzhaninov wrote: AY> pmcstat -C -w1 -d -p AY> INSTR_RETIRED_ANY -p DTLB_MISSES.ANY -p MEM_LOAD_RETIRED.DTLB_MISS -p AY> ITLB_MISSES.ANY -p MEM_LOAD_RETIRED.L3_MISS AY> AY> With -C values should monotonous increase, but in output I se

Re: hwpmc overflow

2011-09-21 Thread Anton Yuzhaninov
lue was. AC> It sounds like maybe that isn't working correctly for a certain class AC> of counters? CPU: Intel(R) Xeon(R) CPU E5645 @ 2.40GHz -- Anton Yuzhaninov ___ freebsd-performance@freebsd.org mailing list http://lists.freebsd.or

Re: hwpmc overflow

2011-09-28 Thread Anton Yuzhaninov
564 1097495460707 1097519426191 -- Anton Yuzhaninov ___ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org"

Re: Apparent performance regression 8.3@ -> 8.4@r255966?

2013-12-24 Thread Anton Yuzhaninov
On Fri, 11 Oct 2013 08:57:54, David Wolfskill wrote: DW> The only hardware upgrade was to increase RAM from 6GB to 96GB, DW> which was done for all of the machines being discussed. FYI: RAM size increase can cause performance regression, probably due to decreased CPU TLB cache hit rate. _