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| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2016-11-15 03:06:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-11-15 09:51:05 +0100 |
| commit | 40565b5aedd6d0ca88b7dfd3859d709d2f6f8cf9 (patch) | |
| tree | 5fc1766834a640d3ae404c463ba99c3194eba8c7 /arch/Kconfig | |
| parent | 981ee2d444408fc55b9390d6a4a54a6697513611 (diff) | |
| download | lwn-40565b5aedd6d0ca88b7dfd3859d709d2f6f8cf9.tar.gz lwn-40565b5aedd6d0ca88b7dfd3859d709d2f6f8cf9.zip | |
sched/cputime, powerpc, s390: Make scaled cputime arch specific
Only s390 and powerpc have hardware facilities allowing to measure
cputimes scaled by frequency. On all other architectures
utimescaled/stimescaled are equal to utime/stime (however they are
accounted separately).
Remove {u,s}timescaled accounting on all architectures except
powerpc and s390, where those values are explicitly accounted
in the proper places.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20161031162143.GB12646@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 659bdd079277..abab6590f08f 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -512,6 +512,9 @@ config HAVE_CONTEXT_TRACKING config HAVE_VIRT_CPU_ACCOUNTING bool +config ARCH_HAS_SCALED_CPUTIME + bool + config HAVE_VIRT_CPU_ACCOUNTING_GEN bool default y if 64BIT |