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Date: Wed, 23 Apr 2014 14:54:21 -0500 (CDT) From: Christoph Lameter <cl@...ux.com> To: Max Krasnyansky <maxk@....qualcomm.com> cc: Viresh Kumar <viresh.kumar@...aro.org>, Andrew Morton <akpm@...ux-foundation.org>, Gilad Ben-Yossef <gilad@...yossef.com>, Thomas Gleixner <tglx@...utronix.de>, Tejun Heo <tj@...nel.org>, John Stultz <johnstul@...ibm.com>, Mike Frysinger <vapier@...too.org>, Minchan Kim <minchan.kim@...il.com>, Hakan Akkan <hakanakkan@...il.com>, Frederic Weisbecker <fweisbec@...il.com>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, linux-mm@...ck.org Subject: Re: vmstat: On demand vmstat workers V3 On Wed, 23 Apr 2014, Max Krasnyansky wrote: > The updates are done via the regular priority workqueue. Yup so things could be fixed at that level with setting an additional workqueue flag? > I'm playing with isolation as well (has been more or less a background thing > for the last 6+ years). Our threads that run on the isolated cores are SCHED_FIFO > and therefor low prio workqueue stuff, like vmstat, doesn't get in the way. > I do have a few patches for the workqueues to make things better for isolation. Would you share those with us please? -- 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/
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