Re: Preempt Threshold Measurements

From: Lenar Lõhmus
Date: Tue Jul 13 2004 - 06:10:03 EST


With all those little patches added and 2.6.8-rc1-ck5 I got this in
my dmesg (preempt=0 voluntary=1 if it makes difference):

bad: ld(3362) scheduling while atomic (1)!
[<c02797ff>] schedule+0x43f/0x480
[<c01161a3>] kmap_atomic+0x13/0x70
[<c0117b5b>] __touch_preempt_timing+0xb/0x30
[<c0146ef7>] shmem_file_write+0x2f7/0x320
[<c014d890>] vfs_write+0xb0/0x100
[<c014d978>] sys_write+0x38/0x60
[<c0103ee1>] sysenter_past_esp+0x52/0x71
bad: krootimage(3483) scheduling while atomic (1)!
[<c02797ff>] schedule+0x43f/0x480
[<c01161a3>] kmap_atomic+0x13/0x70
[<c0117b5b>] __touch_preempt_timing+0xb/0x30
[<c0146ef7>] shmem_file_write+0x2f7/0x320
[<c014d890>] vfs_write+0xb0/0x100
[<c014d978>] sys_write+0x38/0x60
[<c0103ee1>] sysenter_past_esp+0x52/0x71

Lenar

William Lee Irwin III wrote:

That's not quite right. Amazing it didn't catch might_sleep() warnings.



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