| 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
| ||
|
Message-Id: <1252976472.20020.64.camel@gandalf.stny.rr.com> Date: Mon, 14 Sep 2009 21:01:12 -0400 From: Steven Rostedt <rostedt@...dmis.org> To: Carsten Emde <Carsten.Emde@...dl.org> Cc: Thomas Gleixner <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org>, RT-Users <linux-rt-users@...r.kernel.org> Subject: Re: [PATCH RT] Add histograms of potential and effective wakeup latencies On Tue, 2009-09-15 at 02:20 +0200, Carsten Emde wrote: > Resuscitated and enhanced the kernel latency histograms provided > originally by Yi Yang and adapted and converted by Steven Rostedt. > > Latency histograms in the current version > - can be enabled online and independently > - have virtually no performance penalty when configured but not enabled > - have very little performance penalty when enabled > - use already available wakeup and switch tracepoints > - give corresponding results with the related tracer > - allow to record wakeup latency histograms of a single process > - record the process where the highest wakeup latency occurred > - are documented in Documentation/trace/histograms.txt > > Signed-off-by: Carsten Emde <C.Emde@...dl.org> I did a quick scan of the patch and this looks much nicer. Good work! Acked-by: Steven Rostedt <rostedt@...dmis.org> -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists