]> git.baikalelectronics.ru Git - kernel.git/commit
sched/cputime: Allow accounting system time using cpustat index
authorFrederic Weisbecker <fweisbec@gmail.com>
Thu, 5 Jan 2017 17:11:43 +0000 (18:11 +0100)
committerIngo Molnar <mingo@kernel.org>
Sat, 14 Jan 2017 08:54:11 +0000 (09:54 +0100)
commit52b3e0b7839ba67715d53e54015e32940a7b8ac1
tree141b28194f4c518043ef42a30493fe9c3501fcd2
parentf040cabbea35e3a4c156b48b8aa4d6e1c8690b76
sched/cputime: Allow accounting system time using cpustat index

In order to prepare for CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y to delay
cputime accounting to the tick, let's provide APIs to account system
time to precise contexts: hardirq, softirq, pure system, ...

Inspired-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Link: http://lkml.kernel.org/r/1483636310-6557-4-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
include/linux/kernel_stat.h
kernel/sched/cputime.c