diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index b516a8e19d51..590a27fc212f 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -191,6 +191,7 @@ config IRQSOFF_TRACER select GENERIC_TRACER select TRACER_MAX_TRACE select RING_BUFFER_ALLOW_SWAP + select TRACER_SNAPSHOT help This option measures the time spent in irqs-off critical sections, with microsecond accuracy. @@ -213,6 +214,7 @@ config PREEMPT_TRACER select GENERIC_TRACER select TRACER_MAX_TRACE select RING_BUFFER_ALLOW_SWAP + select TRACER_SNAPSHOT help This option measures the time spent in preemption-off critical sections, with microsecond accuracy. @@ -232,6 +234,7 @@ config SCHED_TRACER select GENERIC_TRACER select CONTEXT_SWITCH_TRACER select TRACER_MAX_TRACE + select TRACER_SNAPSHOT help This tracer tracks the latency of the highest priority task to be scheduled in, starting from the point it has woken up. |