Messages in this thread | | | Date | Thu, 1 Mar 2007 14:20:19 +0300 | From | Evgeniy Polyakov <> | Subject | Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 |
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On Thu, Mar 01, 2007 at 12:14:44PM +0100, Eric Dumazet (dada1@cosmosbay.com) wrote: > On Thursday 01 March 2007 11:59, Evgeniy Polyakov wrote: > > > Yes, it is about 98-100% in both cases. > > I've just re-run tests on my amd64 test machine without debug options: > > > > epoll 4794.23 > > kevent 6468.95 > > > > It would be valuable if you could post oprofile results (CPU_CLK_UNHALTED) for > both tests.
I can't - oprofile does not work on this x86_64 machine:
#opcontrol --setup --vmlinux=/home/s0mbre/aWork/git/linux-2.6.kevent/vmlinux # opcontrol --start Using default event: CPU_CLK_UNHALTED:100000:0:1:1 /usr/bin/opcontrol: line 994: /dev/oprofile/0/enabled: No such file or directory /usr/bin/opcontrol: line 994: /dev/oprofile/0/event: No such file or directory /usr/bin/opcontrol: line 994: /dev/oprofile/0/count: No such file or directory /usr/bin/opcontrol: line 994: /dev/oprofile/0/kernel: No such file or directory /usr/bin/opcontrol: line 994: /dev/oprofile/0/user: No such file or directory /usr/bin/opcontrol: line 994: /dev/oprofile/0/unit_mask: No such file or directory
# ls -l /dev/oprofile/ total 0 drwxr-xr-x 1 root root 0 2007-03-01 09:41 1 drwxr-xr-x 1 root root 0 2007-03-01 09:41 2 drwxr-xr-x 1 root root 0 2007-03-01 09:41 3 -rw-r--r-- 1 root root 0 2007-03-01 09:41 backtrace_depth -rw-r--r-- 1 root root 0 2007-03-01 09:41 buffer -rw-r--r-- 1 root root 0 2007-03-01 09:41 buffer_size -rw-r--r-- 1 root root 0 2007-03-01 09:41 buffer_watershed -rw-r--r-- 1 root root 0 2007-03-01 09:41 cpu_buffer_size -rw-r--r-- 1 root root 0 2007-03-01 09:41 cpu_type -rw-rw-rw- 1 root root 0 2007-03-01 09:41 dump -rw-r--r-- 1 root root 0 2007-03-01 09:41 enable -rw-r--r-- 1 root root 0 2007-03-01 09:41 pointer_size drwxr-xr-x 1 root root 0 2007-03-01 09:41 stats
> Thank you
-- Evgeniy Polyakov - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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