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: Tue, 14 Apr 2009 02:11:55 +0200 From: Ingo Molnar <mingo@...e.hu> To: Steven Rostedt <srostedt@...hat.com> Cc: Lai Jiangshan <laijs@...fujitsu.com>, Frederic Weisbecker <fweisbec@...il.com>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] tracing: mark get_parent_ip() notrace * Steven Rostedt <srostedt@...hat.com> wrote: > > On Mon, 2009-04-13 at 14:17 +0800, Lai Jiangshan wrote: > > Frederic Weisbecker wrote: > > > On Thu, Apr 02, 2009 at 02:18:25PM +0800, Lai Jiangshan wrote: > > >> Impact: remove redundancy tracing log > > >> > > >> When tracer is "function" or "function_graph", too much > > >> "get_parent_ip" are recorded in ring_buffer. > > > > > > > > > Thanks, indeed this get_parent_ip was a bit harrassing > > > in the traces, though I still don't understand why it is > > > called so often. > > > > > > Anyway, tracing it seems to me not useful. > > > > > > Acked-by: Frederic Weisbecker <fweisbec@...il.com> > > > > > > > > > > Hi, Ingo, > > Could you apply this fix? > > > > get_parent_ip() is a helper function for ftace, and it is called > > by preempt_disable() and preempt_enable(), so it is occurred very > > often. > > I can pull it in too, if Ingo is busy. I have put it into tip:sched/urgent - it belongs there file-wise. Will go upstream after -rc2 most likely. Ingo -- 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