<div dir="ltr"><div>Hi, On Mon, Jan 5, 2015 at 10:47 PM, Michael Stahl <<a href="mailto:mstahl@redhat.com" target="_blank">mstahl@redhat.com</a>> wrote: > > On 05.01.2015 18:36, Maarten Hoes wrote: > > > > For what its worth, i can easily reproduce the script takes fairly long > > (about ~50 seconds on my vm's) to complete on both Ubuntu 14.04 and > > Fedora 21, both with the distro supplied binaries and a recent master. > > > > I ran the script using strace -f. It shows a lot of calls on futex( > > 'FUTEX_WAIT_PRIVATE'), though im not sure how relevant that may be. I > > attached the strace output. > > please try that again and use strace options -T -r so it's easier to see > where the time is spent. > Done. Unfortunately, the resulting file (even compressed) is too large as an attachment for this mailing list. Instead, I uploaded it here : <a href="http://filebin.ca/1nCIQSm4AW6n/strace-f-T-r.log.txt.gz">http://filebin.ca/1nCIQSm4AW6n/strace-f-T-r.log.txt.gz</a> </div>Please tell me if that proves to be problematic; im open for other suggestions. <div> > > this problem is probably not CPU bound, > This is correct. My hosts CPU is barely doing anything during the run of the script - Maarten </div></div>