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Message-ID: <20090813152045.GB16682@hmsreliant.think-freely.org> Date: Thu, 13 Aug 2009 11:20:45 -0400 From: Neil Horman <nhorman@...driver.com> To: netdev@...r.kernel.org Cc: davem@...emloft.net, rostedt@...dmis.org Subject: Re: [PATCH 2/3] net: skb ftracer - Add config option to enable new ftracer (v3) skb allocation / consumption corelator - Add config option This patch adds a Kconfig option to enable the addtition of the skb source tracer. Signed-off-by: Neil Horman <nhorman@...driver.com> Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 019f380..dcb263d 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -234,6 +234,16 @@ config BOOT_TRACER You must pass in initcall_debug and ftrace=initcall to the kernel command line to enable this on bootup. +config SKB_SOURCES_TRACER + bool "Trace skb source information + select GENERIC_TRACER + help + This tracer helps developers/sysadmins correlate skb allocation and + consumption. The idea being that some processes will primarily consume data + that was allocated on certain numa nodes. By being able to visualize which + nodes the data was allocated on, a sysadmin or developer can optimize the + scheduling of those processes to cut back on cross node chatter. + config TRACE_BRANCH_PROFILING bool select GENERIC_TRACER -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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