> [root@jouet ~]# perf stat -e
> topdown-total-slots:u,cpu/event=topdown-total-slots/u usleep 1
> event syntax error: 'topdown-total-slots:u,cpu/event=topdown-total-slots/u'
> \___ parser error
> Run 'perf list' for a list of valid events
>
> Usage: perf stat [<options>] [<command>]
>
> -e, --event <event> event selector. use 'perf list' to list available
> events
> [root@jouet ~]#
>
> that it fails, Jiri, probably something obvious to you? :-)
Works for me here
./perf stat -e topdown-total-slots:u,cpu/event=topdown-total-slots/u sleep 1
Performance counter stats for 'sleep 1':
515,204 topdown-total-slots:u
514,712 cpu/event=topdown-total-slots/u
1.001438114 seconds time elapsed
Did you perhaps miss this hunk?
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -259,6 +259,7 @@ cycles-ct { return
str(yyscanner, PE_KERNEL_PMU_EVENT); }
cycles-t { return str(yyscanner,
PE_KERNEL_PMU_EVENT); }
mem-loads { return str(yyscanner,
PE_KERNEL_PMU_EVENT); }
mem-stores { return str(yyscanner,
PE_KERNEL_PMU_EVENT); }
+topdown-[a-z-]+ { return str(yyscanner,
PE_KERN
-Andi
--
[email protected] -- Speaking for myself only
