From: Andrew M. <ak...@os...> - 2006-05-08 21:17:39
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Balbir Singh <ba...@in...> wrote: > > @@ -550,6 +550,12 @@ struct task_delay_info { > * Atomicity of updates to XXX_delay, XXX_count protected by > * single lock above (split into XXX_lock if contention is an issue). > */ > + > + struct timespec blkio_start, blkio_end; /* Shared by blkio, swapin */ > + u64 blkio_delay; /* wait for sync block io completion */ > + u64 swapin_delay; /* wait for swapin block io completion */ > + u32 blkio_count; > + u32 swapin_count; These fields are a bit mystifying. In what units are blkio_delay and swapin_delay? What is the meaning behind blkio_count and swapin_count? Better comments needed, please. |