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    Subject[PATCH 13/18] acpi: Provide config option to enable power tracepoints
    Date
    CC: linux-acpi@vger.kernel.org
    Signed-off-by: Jan Kara <jack@suse.cz>
    ---
    include/trace/events/power.h | 2 ++
    kernel/trace/Kconfig | 9 +++++++++
    2 files changed, 11 insertions(+), 0 deletions(-)

    diff --git a/include/trace/events/power.h b/include/trace/events/power.h
    index c4efe9b..6d84fc1 100644
    --- a/include/trace/events/power.h
    +++ b/include/trace/events/power.h
    @@ -1,5 +1,7 @@
    #undef TRACE_SYSTEM
    +#undef TRACE_CONFIG
    #define TRACE_SYSTEM power
    +#define TRACE_CONFIG CONFIG_POWER_TRACER

    #if !defined(_TRACE_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
    #define _TRACE_POWER_H
    diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
    index 787f52e..a48ff49 100644
    --- a/kernel/trace/Kconfig
    +++ b/kernel/trace/Kconfig
    @@ -430,6 +430,15 @@ config TIMER_TRACER

    If unsure, say N

    +config POWER_TRACER
    + bool "Trace power events"
    + select GENERIC_TRACER
    + help
    + Provide trace points for events like changing CPU frequency,
    + turning CPUs on / off.
    +
    + If unsure, say N
    +
    config WORKQUEUE_TRACER
    bool "Trace workqueues"
    select GENERIC_TRACER
    --
    1.6.4.2


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