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Date: Wed, 22 Jun 2016 22:25:49 -0400 From: riel@...hat.com To: linux-kernel@...r.kernel.org Cc: peterz@...radead.org, mingo@...nel.org, pbonzini@...hat.com, fweisbec@...hat.com, wanpeng.li@...mail.com, efault@....de, tglx@...utronix.de, rkrcmar@...hat.com Subject: [PATCH 3/5] cputime: allow irq time accounting to be selected as an option From: Rik van Riel <riel@...hat.com> Allow CONFIG_IRQ_TIME_ACCOUNTING to be selected as an option, on top of CONFIG_VIRT_CPU_ACCOUNTING_GEN (and potentially others?). This allows for the irq time accounting code to be used with nohz_idle CPUs, which is how several distributions ship their kernels. Using the same code for several timer modes also allows us to drop duplicate code. Signed-off-by: Rik van Riel <riel@...hat.com> --- init/Kconfig | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/init/Kconfig b/init/Kconfig index 0dfd09d54c65..4c7ee4f136cf 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -375,9 +375,11 @@ config VIRT_CPU_ACCOUNTING_GEN If unsure, say N. +endchoice + config IRQ_TIME_ACCOUNTING bool "Fine granularity task level IRQ time accounting" - depends on HAVE_IRQ_TIME_ACCOUNTING && !NO_HZ_FULL + depends on HAVE_IRQ_TIME_ACCOUNTING && !VIRT_CPU_ACCOUNTING_NATIVE help Select this option to enable fine granularity task irq time accounting. This is done by reading a timestamp on each @@ -386,8 +388,6 @@ config IRQ_TIME_ACCOUNTING If in doubt, say N here. -endchoice - config BSD_PROCESS_ACCT bool "BSD Process Accounting" depends on MULTIUSER -- 2.5.5
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