/*
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* blktrace output analysis: generate a timeline & gather statistics
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*
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* Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "globals.h"
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static void handle_queue(struct io *q_iop)
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{
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seeki_add(q_iop->dip->q2q_handle, q_iop);
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update_qregion(&all_regions, q_iop->t.time);
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dip_update_q(q_iop->dip, q_iop);
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pip_update_q(q_iop);
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if (remapper_dev(q_iop->t.device))
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update_lq(&last_q, &all_avgs.q2q_dm, q_iop->t.time);
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else {
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update_q_histo(q_iop->t.bytes);
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update_lq(&last_q, &all_avgs.q2q, q_iop->t.time);
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}
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q_iop->i_time = q_iop->g_time = q_iop->c_time = q_iop->m_time =
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q_iop->d_time = (__u64)-1;
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q_iop->dip->n_qs++;
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q_iop->dip->t_act_q += q_iop->dip->n_act_q;
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q_iop->dip->n_act_q++;
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}
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void trace_queue(struct io *q_iop)
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{
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if (q_iop->t.bytes == 0)
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return;
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if (io_setup(q_iop, IOP_Q))
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handle_queue(q_iop);
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else
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io_release(q_iop);
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}
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