/* * 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); }