linux-kernel - Ftraced always polls once a minute even when no tracer is active

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-next>] [day] [month] [year] [list]

Message-Id: <E1KJzHJ-0003Yj-68@closure.thunk.org>
Date:	Fri, 18 Jul 2008 19:22:21 -0400
From:	"Theodore Ts'o" <tytso@....EDU>
To:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>
cc:	linux-kernel@...r.kernel.org
Subject: Ftraced always polls once a minute even when no tracer is active


I noticed with powertop that ftraced waks up once a second, even if no
tracer is active.  Is there a reason why the kernel thread can't be
suspended in that case?

Thanks, regards,

						- Ted


--
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/