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| author | Arjan van de Ven <arjan@linux.intel.com> | 2008-01-25 20:08:34 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-25 20:08:34 (GMT) |
| commit | 9745512ce79de686df354dc70a8d1a74d801892d (patch) | |
| tree | 9b64e2b2e6d2ae534beef136922082f21701c7b9 /lib | |
| parent | 326587b840785c60f5dc18557235a23bafefd620 (diff) | |
| download | linux-9745512ce79de686df354dc70a8d1a74d801892d.tar.xz | |
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 <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 14 |
1 files changed, 14 insertions, 0 deletions
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" |