diff options
| author | Neil Horman <nhorman@tuxdriver.com> | 2009-08-13 07:20:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-08-14 01:42:37 +0200 |
| commit | 5a165657bef7c47e5ff4cd138f7758ef6278e87b (patch) | |
| tree | 1fb410c2333353b3c36dfc8ac72b9f2b74945acb /kernel | |
| parent | net: skb ftracer - add tracepoint to skb_copy_datagram_iovec (v3) (diff) | |
| download | linux-5a165657bef7c47e5ff4cd138f7758ef6278e87b.tar.xz linux-5a165657bef7c47e5ff4cd138f7758ef6278e87b.zip | |
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@tuxdriver.com>
Kconfig | 10 ++++++++++
1 file changed, 10 insertions(+)
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
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 |