Messages in this thread Patch in this message | | | Date | Mon, 29 Oct 2012 16:27:42 -0400 | From | Steven Rostedt <> | Subject | [PATCH 31/32] nohz/cpuset: Disable under some configs |
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From: Frederic Weisbecker <fweisbec@gmail.com>
This shows the various things that are not yet handled by the nohz cpusets: perf events, irq work, irq time accounting.
But there are further things that have yet to be handled: sched clock tick, runqueue clock, sched_class::task_tick(), rq clock, cpu load, complete handling of cputimes, ...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Alessio Igor Bogani <abogani@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Avi Kivity <avi@redhat.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Christoph Lameter <cl@linux.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Geoff Levand <geoff@infradead.org> Cc: Gilad Ben Yossef <gilad@benyossef.com> Cc: Hakan Akkan <hakanakkan@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Kevin Hilman <khilman@ti.com> Cc: Max Krasnyansky <maxk@qualcomm.com> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Sven-Thorsten Dietrich <thebigcorporation@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> --- init/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/init/Kconfig b/init/Kconfig index 418e078..78e793c 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -751,7 +751,7 @@ config PROC_PID_CPUSET config CPUSETS_NO_HZ bool "Tickless cpusets" - depends on CPUSETS && HAVE_CPUSETS_NO_HZ && NO_HZ && HIGH_RES_TIMERS + depends on CPUSETS && HAVE_CPUSETS_NO_HZ && NO_HZ && HIGH_RES_TIMERS && !IRQ_TIME_ACCOUNTING help This options let you apply a nohz property to a cpuset such that the periodic timer tick tries to be avoided when possible on -- 1.7.10.4
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