1 /*
2  * blktrace output analysis: generate a timeline & gather statistics
3  *
4  * Copyright (C) 2007 Alan D. Brunelle <Alan.Brunelle@hp.com>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  *
20  */
21 #include "globals.h"
22 
get_nio_up(struct io * u_iop)23 static __u64 get_nio_up(struct io *u_iop)
24 {
25 	__u64 *val = u_iop->pdu;
26 	return be64_to_cpu(*val);
27 }
28 
trace_unplug_io(struct io * u_iop)29 void trace_unplug_io(struct io *u_iop)
30 {
31 	unplug_hist_add(u_iop);
32 	dip_unplug(u_iop->t.device, BIT_TIME(u_iop->t.time), get_nio_up(u_iop));
33 	io_release(u_iop);
34 }
35 
trace_unplug_timer(struct io * ut_iop)36 void trace_unplug_timer(struct io *ut_iop)
37 {
38 	dip_unplug_tm(ut_iop->t.device, BIT_TIME(ut_iop->t.time),
39 			get_nio_up(ut_iop));
40 	io_release(ut_iop);
41 }
42 
trace_plug(struct io * p_iop)43 void trace_plug(struct io *p_iop)
44 {
45 	dip_plug(p_iop->t.device, BIT_TIME(p_iop->t.time));
46 	io_release(p_iop);
47 }
48