diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig index 2c5aa3407d6..1862c689307 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -326,10 +326,25 @@ source "kernel/time/Kconfig" menu "CPU/Task time and stats accounting" +choice + prompt "Cputime accounting" + default TICK_CPU_ACCOUNTING if !PPC64 + default VIRT_CPU_ACCOUNTING if PPC64 + +# Kind of a stub config for the pure tick based cputime accounting +config TICK_CPU_ACCOUNTING + bool "Simple tick based cputime accounting" + depends on !S390 + help + This is the basic tick based cputime accounting that maintains + statistics about user, system and idle time spent on per jiffies + granularity. + + If unsure, say Y. + config VIRT_CPU_ACCOUNTING bool "Deterministic task and CPU time accounting" depends on HAVE_VIRT_CPU_ACCOUNTING - default y if PPC64 help Select this option to enable more accurate task and CPU time accounting. This is done by reading a CPU counter on each @@ -339,6 +354,19 @@ config VIRT_CPU_ACCOUNTING this also enables accounting of stolen time on logically-partitioned systems. +config IRQ_TIME_ACCOUNTING + bool "Fine granularity task level IRQ time accounting" + depends on HAVE_IRQ_TIME_ACCOUNTING + help + Select this option to enable fine granularity task irq time + accounting. This is done by reading a timestamp on each + transitions between softirq and hardirq state, so there can be a + small performance impact. + + If in doubt, say N here. + +endchoice + config BSD_PROCESS_ACCT bool "BSD Process Accounting" help |