sched: latencytop support
[linux-2.6.git] / lib / Kconfig.debug
index a601093..14fb355 100644 (file)
@@ -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"