From 5a165657bef7c47e5ff4cd138f7758ef6278e87b Mon Sep 17 00:00:00 2001 From: Neil Horman Date: Thu, 13 Aug 2009 05:20:45 +0000 Subject: [PATCH] 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 Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) Signed-off-by: David S. Miller --- kernel/trace/Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 019f380fd764..f09d7635c0e1 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 -- 2.11.0