Re: SATA is to slow comparing with linux

omise > nor my VIA controller. So all the numbers now for the "old" ata driver. What mode do you have set for your controllers in BIOS? AHCI or IDE/Legacy/etc? -- Andriy Gapon ___ freebsd-performance@freebsd.org mailing list http://

Re: tuning zfs for large file reads

rhaps something to look at. -- Andriy Gapon ___ 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: monitoring per-process disk io

; which is the output of: > > dstat -c --top-cpu -d --top-bio --top-latency > > would be good...iostat, vmstat don't give that sort of info... > > any suggestions or hints? 1) top -m io 2) rolling your own customized monitoring using dtrace -- Andriy Gapon __

Re: TTY task group scheduling

=1 > > Well, > it would be nice to have those improvements in FreeBSD, but I doubt this will > make > it in due time to FreeBSD's kernel. Well, I think that those improvements apply only to a very specific usage pattern and are greatly ov

Re: TTY task group scheduling

f", sometimes watching videos from the web (like e.g. trailers). On this machine/hardware I have never personally felt a need for improvements in the scheduler. And I run KDE4 with all bells and whistles enabled. YMMV. P.S. I don't discourage anyone from improving our scheduler, I even

Re: TTY task group scheduling

I had some videos that were CPU-bound on my Athlon II X2 250 with then-version of mplayer from ports. YMMV. -- Andriy Gapon ___ 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: TTY task group scheduling

; often resorted to canceling it and running it on a syscons console > instead to improve performance. > So, what was it a problem with scheduler or with, e.g., "something X" being too slow rendering glyphs? Who can tell... -- Andriy Gapon _

Re: TTY task group scheduling

scheduling could be a very useful subcase. BTW, http://www.mjmwired.net/kernel/Documentation/cgroups.txt -- Andriy Gapon ___ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, sen

tlb shootdown

Anyone knows of a benchmark/test that can measure/demonstrate difference in tlb shootdown performance (or its lack)? -- Andriy Gapon ___ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To

Re: tlb shootdown

on 02/06/2011 15:02 Ivan Voras said the following: > On 01/06/2011 13:11, Andriy Gapon wrote: >> >> Anyone knows of a benchmark/test that can measure/demonstrate difference in >> tlb >> shootdown performance (or its lack)? > > The "tlb" utility from lmb

Re: http://www.freebsd.org/marketing/os-comparison.html

feature list about DTrace, but no schedule list about > when to fix it. 4. There is a missing developer/maintainer for DTrace on FreeBSD. Nevertheless the kernel DTrace is quite usable and useful for kernel debugging. -- Andriy Gapon ___ freebsd-perfo

Re: http://www.freebsd.org/marketing/os-comparison.html

on 30/08/2011 18:39 Andriy Gapon said the following: > 4. There is a missing developer/maintainer for DTrace on FreeBSD. I probably should clarify this point: it doesn't have to be *the* maintainer, a collective maintainer is also perfect. Thus, contributions are very welcome. > N

Re: ffmpeg & ULE

> >> > > probably because you have a system processor with 2 cores...? > if yes - then use the 4BSD...it is better for the two cores... IMHO Do you have any facts to substantiate your claim? -- Andriy Gapon ___ freebsd-performance@fr

Re: ffmpeg & ULE

on 18/10/2011 18:27 Ivan Klymenko said the following: > What tests should I do with ffmpeg? I don't know - what the original poster did? I.e. compare ffmpeg multithreaded performance with different schedulers. -- Andriy Gapon ___ freebsd-per

Re: SCHED_ULE should not be the default

other words, I thought that it was ULE that took into account cpu/cache affinities while 4BSD was deliberately entirely ignorant of those details. -- Andriy Gapon ___ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listi

Re: I like iostat, but...

/~david/FreeBSD/bmake/>. > > I believe that having an ability to correlate the "iostat -x" > information with the CPU, load average, and memory utilization would be > useful -- but I don't see a reasonable way to go about it. If anyone > has suggestions, I'm listening. :-} -- Andriy Gapon ___ 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"