linux-kernel - Re: [PATCH] perf test: Ignore .scale and other special files

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 6 Jun 2016 09:31:16 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	jolsa@...nel.org
Subject: Re: [PATCH] perf test: Ignore .scale and other special files

> [root@...et ~]# 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@...et ~]#
> 
> 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
-- 
ak@...ux.intel.com -- Speaking for myself only