Re: [PATCH 2/3] net: Add ftracer to help optimize process scheduling based on incomming frame allocations (v2)

[Neil Horman <nhorman@tuxdriver.com>]

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@tuxdriver.com>


 Kconfig |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 1551f47..1aeec05 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -234,6 +234,16 @@ config BOOT_TRACER
 	  You must pass in 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
--
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