1 /* 2 * blktrace output analysis: generate a timeline & gather statistics 3 * 4 * Copyright (C) 2007 Alan D. Brunelle <Alan.Brunelle (at) 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 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 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 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 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
