You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.4 KiB
48 lines
1.4 KiB
/*
|
|
* blktrace output analysis: generate a timeline & gather statistics
|
|
*
|
|
* Copyright (C) 2007 Alan D. Brunelle <Alan.Brunelle@hp.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
#include "globals.h"
|
|
|
|
static __u64 get_nio_up(struct io *u_iop)
|
|
{
|
|
__u64 *val = u_iop->pdu;
|
|
return be64_to_cpu(*val);
|
|
}
|
|
|
|
void trace_unplug_io(struct io *u_iop)
|
|
{
|
|
unplug_hist_add(u_iop);
|
|
dip_unplug(u_iop->t.device, BIT_TIME(u_iop->t.time), get_nio_up(u_iop));
|
|
io_release(u_iop);
|
|
}
|
|
|
|
void trace_unplug_timer(struct io *ut_iop)
|
|
{
|
|
dip_unplug_tm(ut_iop->t.device, BIT_TIME(ut_iop->t.time),
|
|
get_nio_up(ut_iop));
|
|
io_release(ut_iop);
|
|
}
|
|
|
|
void trace_plug(struct io *p_iop)
|
|
{
|
|
dip_plug(p_iop->t.device, BIT_TIME(p_iop->t.time));
|
|
io_release(p_iop);
|
|
}
|