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On Thu, 2004-10-07 at 06:52, Ingo Molnar wrote: > i've released the -T3 VP patch: > > http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc3-mm3-T3 > Wow, this is a really bad one - 5576 usecs in shmem_truncate! I think this was triggered by Mozilla deleting a large video file from /tmp which is a tmpfs mount. (mozilla-bin/16141): new 5576 us maximum-latency critical section. => started at: <shmem_truncate+0x67/0x630> => ended at: <shmem_truncate+0x3bc/0x630> [<c013d96a>] check_preempt_timing+0x14a/0x1e0 [<c013d2f5>] __mcount+0x15/0x20 [<c02dd08a>] preempt_schedule+0xa/0x70 [<c013dbba>] sub_preempt_count+0x5a/0x90 [<c016b39c>] shmem_truncate+0x3bc/0x630 [<c016b39c>] shmem_truncate+0x3bc/0x630 [<c016b964>] shmem_delete_inode+0x134/0x340 [<c016b830>] shmem_delete_inode+0x0/0x340 [<c01991ee>] generic_delete_inode+0xde/0x300 [<c0189615>] sys_unlink+0xf5/0x150 [<c0106b47>] syscall_call+0x7/0xb Full trace: http://krustophenia.net/testresults.php?dataset=2.6.9-rc3-mm3-VP-T3#/var/www/2.6.9-rc3-mm3-VP-T3/shmem-truncate-latency-trace.txt Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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