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From: Randy Dunlap on 12 Aug 2010 15:40
From: Randy Dunlap <randy.dunlap(a)oracle.com>

warning: (LATENCYTOP && HAVE_LATENCYTOP_SUPPORT) selects SCHED_DEBUG which has unmet direct dependencies (DEBUG_KERNEL && PROC_FS)
warning: (LATENCYTOP && HAVE_LATENCYTOP_SUPPORT) selects SCHEDSTATS which has unmet direct dependencies (DEBUG_KERNEL && PROC_FS)

Add depends on STACKTRACE_SUPPORT for 'select STACKTRACE'.
Add depends on PROC_FS since that is where the output goes.

Signed-off-by: Randy Dunlap <randy.dunlap(a)oracle.com>
Cc: Arjan van de Ven <arjan(a)linux.intel.com>
Cc: Ingo Molnar <mingo(a)elte.hu>
---
lib/Kconfig.debug | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

--- linux-next-20100810.orig/lib/Kconfig.debug
+++ linux-next-20100810/lib/Kconfig.debug
@@ -1004,13 +1004,16 @@ config FAULT_INJECTION_STACKTRACE_FILTER

config LATENCYTOP
bool "Latency measuring infrastructure"
+ depends on HAVE_LATENCYTOP_SUPPORT
+ depends on DEBUG_KERNEL
+ depends on STACKTRACE_SUPPORT
+ depends on PROC_FS
select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE
select KALLSYMS
select KALLSYMS_ALL
select STACKTRACE
select SCHEDSTATS
select SCHED_DEBUG
- depends on HAVE_LATENCYTOP_SUPPORT
help
Enable this option if you want to use the LatencyTOP tool
to find out which userspace is blocking on what kernel operations.
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