Re: [patch] recover lost ticks

Andrea Arcangeli (andrea@e-mind.com)
Wed, 17 Mar 1999 15:25:35 +0100 (CET)


On Wed, 17 Mar 1999, Andrea Arcangeli wrote:

>1 tick got lost after an atapi-cdrom reset due a bad cdrom I think.
>Luckily my patch recovered it fine ;).

I discovered another daily-work case which leads to lost ticks:

32752 pages of RAM
925 reserved pages
455 pages shared
0 pages swap cached
239 pages in file cache
239 pages in page cache
0 pages in page table cache
Buffer memory: 110220kB
Buffer heads: 110236
Buffer blocks: 110220
CLEAN: 110228 buffers, 25 used (last=110228), 8 locked, 0 protected, 0
dirty
Networking buffers in use : 0
Total network buffer allocations : 0
Total failed network buffer allocs : 0
IP fragment buffer size : 0
0 request in kpiod queue
recover_lost_timer: lost 1 ticks from c0182f88
andrea@laser:~$ ksymresolv
c0182f88
c0182f88 <keyboard_interrupt+2c/30>

Pressing SHIFT+SCROLL_LOCK or SysRQ+M at boot time during an fsck will
show it.

Andrea Arcangeli

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