From 9745512ce79de686df354dc70a8d1a74d801892d Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Fri, 25 Jan 2008 21:08:34 +0100 Subject: sched: latencytop support LatencyTOP kernel infrastructure; it measures latencies in the scheduler and tracks it system wide and per process. Signed-off-by: Arjan van de Ven Signed-off-by: Ingo Molnar --- lib/Kconfig.debug | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'lib') diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index a601093..14fb355 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -517,4 +517,18 @@ config FAULT_INJECTION_STACKTRACE_FILTER help Provide stacktrace filter for fault-injection capabilities +config LATENCYTOP + bool "Latency measuring infrastructure" + select FRAME_POINTER if !MIPS + select KALLSYMS + select KALLSYMS_ALL + select STACKTRACE + select SCHEDSTATS + select SCHED_DEBUG + depends on X86 || X86_64 + help + Enable this option if you want to use the LatencyTOP tool + to find out which userspace is blocking on what kernel operations. + + source "samples/Kconfig" -- cgit v1.1