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Subject[PATCH 32/32] nohz/cpuset: Disable under some configs
Date
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


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