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    Subject[PATCH 14/18] net: Provide config option for enabling SKB tracing
    Date
    CC: "David S. Miller" <davem@davemloft.net>
    CC: netdev@vger.kernel.org
    Signed-off-by: Jan Kara <jack@suse.cz>
    ---
    include/trace/events/skb.h | 2 ++
    kernel/trace/Kconfig | 10 ++++++++++
    2 files changed, 12 insertions(+), 0 deletions(-)

    diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
    index 4b2be6d..cd340df 100644
    --- a/include/trace/events/skb.h
    +++ b/include/trace/events/skb.h
    @@ -1,5 +1,7 @@
    #undef TRACE_SYSTEM
    +#undef TRACE_CONFIG
    #define TRACE_SYSTEM skb
    +#define TRACE_CONFIG CONFIG_SKB_TRACER

    #if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
    #define _TRACE_SKB_H
    diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
    index a48ff49..a02d577 100644
    --- a/kernel/trace/Kconfig
    +++ b/kernel/trace/Kconfig
    @@ -498,6 +498,16 @@ config JBD2_TRACER

    If unsure, say N.

    +config SKB_TRACER
    + bool "SKB tracing"
    + depends on NET
    + select GENERIC_TRACER
    + help
    + Provide tracing for copying datagrams into iovecs and freeing
    + skbs.
    +
    + If unsure, say N.
    +
    config KPROBE_EVENT
    depends on KPROBES
    depends on HAVE_REGS_AND_STACK_ACCESS_API
    --
    1.6.4.2


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