| From | Frederic Weisbecker <> | Subject | [PATCH 32/32] nohz/cpuset: Disable under some configs | Date | Wed, 21 Mar 2012 14:58:38 +0100 |
| |
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: Ingo Molnar <mingo@kernel.org> 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> Cc: Zen Lin <zen@openhuawei.org> --- init/Kconfig | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/init/Kconfig b/init/Kconfig index 7cdb8be..3080b16 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -640,7 +640,7 @@ 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 -- 1.7.5.4
|