Re: [PATCH] perf stat: Support regex pattern in --for-each-cgroup

[Andi Kleen]

On Fri, Oct 23, 2020 at 04:42:34PM +0900, Namhyung Kim wrote:
> To make the command line even more compact with cgroups, support regex
> pattern matching in cgroup names.
> 
>   $ perf stat -a -e cpu-clock,cycles --for-each-cgroup '^.$' sleep 1

The example doesn't exactly show the benefit. So ^.$ would be only
for one character cgroups?

Missing documentation updates.

-Andi