| 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
| ||
|
Date: Wed, 04 Dec 2013 11:47:48 -0700 From: David Ahern <dsahern@...il.com> To: "Pavey, Nicholas" <npavey@...mai.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: Using perf to locate source of context switches On 12/4/13, 10:42 AM, Pavey, Nicholas wrote: > NB: I have also used 'perf record -e cs -g -a -- sleep 2', while the Add -c 1 to capture *all* context switch events. perf script will show each event. perf report provides a histogram summary. I have a time-history command for analyzing scheduling events. It is not yet in upstream code. You can try the code in this branch: https://github.com/dsahern/linux/tree/perf-sched-timehist-3.11 Or download this version (requires Arnaldo's tree): https://lkml.org/lkml/2013/11/18/555 David -- 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