[PATCH 18/18] Create config option for enabling IRQ tracepoints
in [Kernel]
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From: Jan Kara on 22 Mar 2010 20:40 Signed-off-by: Jan Kara <jack(a)suse.cz> --- include/trace/events/irq.h | 2 ++ kernel/trace/Kconfig | 6 ++++++ 2 files changed, 8 insertions(+), 0 deletions(-) diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h index 0e4cfb6..dd9cdb7 100644 --- a/include/trace/events/irq.h +++ b/include/trace/events/irq.h @@ -1,5 +1,7 @@ #undef TRACE_SYSTEM +#undef TRACE_CONFIG #define TRACE_SYSTEM irq +#define TRACE_CONFIG CONFIG_IRQ_TRACER #if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_IRQ_H diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index abcd529..7893ea4 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -152,6 +152,10 @@ config FUNCTION_GRAPH_TRACER address on the current task structure into a stack of calls. +# Config option to determine whether IRQ tracepoins should be compiled +config IRQ_TRACER + bool + config IRQSOFF_TRACER bool "Interrupts-off Latency Tracer" default n @@ -161,6 +165,7 @@ config IRQSOFF_TRACER select GENERIC_TRACER select TRACER_MAX_TRACE select RING_BUFFER_ALLOW_SWAP + select IRQ_TRACER help This option measures the time spent in irqs-off critical sections, with microsecond accuracy. @@ -183,6 +188,7 @@ config PREEMPT_TRACER select GENERIC_TRACER select TRACER_MAX_TRACE select RING_BUFFER_ALLOW_SWAP + select IRQ_TRACER help This option measures the time spent in preemption-off critical sections, with microsecond accuracy. -- 1.6.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |