Attachment 180167 Details for Bug 216178 – dtrace script

dtrace script

file_216178.txt (text/plain), 1.02 KB, created by Andriy Gapon on 2017-02-20 16:11:44 UTC

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Creator: Andriy Gapon

Created: 2017-02-20 16:11:44 UTC

Size: 1.02 KB

patch

obsolete

>
>fbt::l2arc_write_buffers:entry
>{
>	self->dev = args[1];
>	printf("%s writing  %d - %d", stringof(self->dev->l2ad_vdev->vdev_path),
>	    self->dev->l2ad_hand, self->dev->l2ad_hand + args[2]);
>}
>
>fbt::l2arc_write_buffers:entry
>/self->dev/
>{
>	this->offset = self->dev->l2ad_buflist.list_offset;
>	this->tail_ = self->dev->l2ad_buflist.list_head.list_prev;
>	this->tail = (arc_buf_hdr_t *)((char*)this->tail_ - this->offset);
>	this->head_ = self->dev->l2ad_buflist.list_head.list_next;
>	this->head = (arc_buf_hdr_t *)((char*)this->head_ - this->offset);
>	printf("oldest - newset: %d - %d", this->tail->b_l2hdr.b_daddr, this->head->b_l2hdr.b_daddr);
>}
>
>fbt::l2arc_write_buffers:return
>/self->dev/
>{
>	printf("%s done at  %d", stringof(self->dev->l2ad_vdev->vdev_path),
>	    self->dev->l2ad_hand);
>	self->dev = 0;
>}
>
>fbt::l2arc_evict:entry
>{
>	printf("%s evicting %d - %d %s", stringof(args[0]->l2ad_vdev->vdev_path),
>	    args[0]->l2ad_hand, args[0]->l2ad_hand + args[1],
>	    args[0]->l2ad_first ? "(first pass)" : "");
>}

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Attachments on bug 216178: 179917 | 180167 | 180235