On 2016-08-17 16:58:49 -0700, Peter Geoghegan wrote:
> On Wed, Aug 17, 2016 at 4:28 PM, Andres Freund <andres@anarazel.de> wrote:
> > Could you also provide a strace -ttt -T -c and a cpu cycles flamegraph?
>
> Here is the output from that strace invocation, plus a -p (to attach
> to the relevant backend):
>
> strace: -t has no effect with -c
> strace: -T has no effect with -c
Ugh, swapped -c and -C, sorry.
> This doesn't seem that interesting, but not sure what you're looking for.
I'd like to know the amount of time spent in various syscalls, and how
much that varies.
> I also attach cycles flamegraph.
Thanks.
Andres