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Ravikiran G Thirumalai c4f3b63fe1 softlockup: add a /proc tuning parameter 
Control the trigger limit for softlockup warnings.  This is useful for
debugging softlockups, by lowering the softlockup_thresh to identify
possible softlockups earlier.

This patch:
1. Adds a sysctl softlockup_thresh with valid values of 1-60s
   (Higher value to disable false positives)
2. Changes the softlockup printk to print the cpu softlockup time

[akpm@linux-foundation.org: Fix various warnings and add definition of "two"]
Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17 08:42:47 -07:00
..
acpi
asm-alpha alpha: beautify vmlinux.lds 2007-10-16 09:43:03 -07:00
asm-arm imxfb: fast read flag and nonstandard field configurable 2007-10-16 09:43:21 -07:00
asm-arm26 softlockup: make asm/irq_regs.h available on every platform 2007-10-17 08:42:47 -07:00
asm-avr32 kprobes: support kretprobe blacklist 2007-10-16 09:43:10 -07:00
asm-blackfin bf54x-lq043fb: framebuffer driver for Blackfin BF54x framebuffer device driver 2007-10-16 09:43:20 -07:00
asm-cris softlockup: make asm/irq_regs.h available on every platform 2007-10-17 08:42:47 -07:00
asm-frv include/asm-frv/thread_info.h: kmalloc + memset conversion to kzalloc 2007-10-16 09:43:03 -07:00
asm-generic flush icache before set_pte() on ia64: flush icache at set_pte 2007-10-16 09:42:59 -07:00
asm-h8300
asm-ia64 Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block 2007-10-16 10:09:16 -07:00
asm-m32r m32r: convert to generic sys_ptrace 2007-10-16 09:43:04 -07:00
asm-m68k m68k: Export cachectl.h 2007-10-13 09:41:03 -07:00
asm-m68knommu M68KNOMMU: remove unused config symbol CONFIG_DISKtel 2007-10-16 09:43:03 -07:00
asm-mips Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus 2007-10-16 10:44:35 -07:00
asm-parisc
asm-powerpc powerpc: add Altivec/VMX state to coredumps 2007-10-17 08:42:44 -07:00
asm-ppc softlockup: make asm/irq_regs.h available on every platform 2007-10-17 08:42:47 -07:00
asm-s390 kprobes: support kretprobe blacklist 2007-10-16 09:43:10 -07:00
asm-sh x86: optimize page faults like all other achitectures and kill notifier cruft 2007-10-16 09:42:50 -07:00
asm-sh64 Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh64-2.6 2007-10-13 09:50:26 -07:00
asm-sparc SPARC: sg chaining support 2007-10-16 11:27:32 +02:00
asm-sparc64 Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block 2007-10-16 10:09:16 -07:00
asm-um uml: style fixes in FP code 2007-10-16 09:43:07 -07:00
asm-v850 softlockup: make asm/irq_regs.h available on every platform 2007-10-17 08:42:47 -07:00
asm-x86 Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
asm-xtensa
crypto
keys
linux softlockup: add a /proc tuning parameter 2007-10-17 08:42:47 -07:00
math-emu
media v4l: copy_to_user() is not a good method name 2007-10-13 09:58:59 -07:00
mtd
net [IPV6]: Replace sk_buff ** with sk_buff * in input handlers 2007-10-15 12:50:28 -07:00
pcmcia pcmcia: use DMA_MASK_NONE for the default for all pcmcia devices 2007-10-16 09:42:50 -07:00
rdma IB/cm: Modify interface to send MRAs in response to duplicate messages 2007-10-09 19:59:17 -07:00
rxrpc
scsi remove sglist_len 2007-10-16 11:24:44 +02:00
sound [ALSA] version 1.0.15 2007-10-16 16:57:46 +02:00
video pm2fb: hardware cursor support for the Permedia2 2007-10-16 09:43:18 -07:00
xen
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