On 5/6/22 06:30, Lukáš Doktor wrote:
Hello all,
thank you for the responses, I ran 3 runs per each commit using 5 iteration of
fio-nbd using
f9fc8932b11f3bcf2a2626f567cb6fdd36a33a94
f9fc8932b11f3bcf2a2626f567cb6fdd36a33a94 + Stefan's commit
d7482ffe9756919531307330fd1c6dbec66e8c32
Ok, there'
On 5/6/22 06:30, Lukáš Doktor wrote:
Also let me briefly share the details about the execution:
Thanks, this is super useful!
I got very similar results to yours:
QEMU 6.2bw=1132MiB/s
QEMU 7.0bw=1046MiB/s
QEMU 7.0 + patchbw=1012M
Hello all,
thank you for the responses, I ran 3 runs per each commit using 5 iteration of
fio-nbd using
f9fc8932b11f3bcf2a2626f567cb6fdd36a33a94
f9fc8932b11f3bcf2a2626f567cb6fdd36a33a94 + Stefan's commit
d7482ffe9756919531307330fd1c6dbec66e8c32
using the regressed f9fc8932b11f3bcf2a2626f567cb6
On 5/5/22 14:44, Daniel P. Berrangé wrote:
util/thread-pool.c uses qemu_sem_*() to notify worker threads when work
becomes available. It makes sense that this operation is
performance-critical and that's why the benchmark regressed.
Doh, I questioned whether the change would have a performance
On Thu, May 05, 2022 at 11:09:08AM +0100, Stefan Hajnoczi wrote:
> On Tue, May 03, 2022 at 09:43:15AM +0200, Lukáš Doktor wrote:
> > Hello Mike, Paolo, others,
> >
> > in my perf pipeline I noticed a regression bisected to the
> > f9fc8932b11f3bcf2a2626f567cb6fdd36a33a94 - "thread-posix: remove t
Hi Stefan,
在 2022/5/5 18:09, Stefan Hajnoczi 写道:
On Tue, May 03, 2022 at 09:43:15AM +0200, Lukáš Doktor wrote:
Hello Mike, Paolo, others,
in my perf pipeline I noticed a regression bisected to the
f9fc8932b11f3bcf2a2626f567cb6fdd36a33a94 - "thread-posix: remove the posix semaphore
support" c
On Tue, May 03, 2022 at 09:43:15AM +0200, Lukáš Doktor wrote:
> Hello Mike, Paolo, others,
>
> in my perf pipeline I noticed a regression bisected to the
> f9fc8932b11f3bcf2a2626f567cb6fdd36a33a94 - "thread-posix: remove the posix
> semaphore support" commit and I'd like to ask you to verify it
Hello Mike, Paolo, others,
in my perf pipeline I noticed a regression bisected to the
f9fc8932b11f3bcf2a2626f567cb6fdd36a33a94 - "thread-posix: remove the posix
semaphore support" commit and I'd like to ask you to verify it might have
caused that and eventually consider fixing it. The regressio
