Commit | Line | Data |
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095181f2 JA |
1 | /* |
2 | * blktrace output analysis: generate a timeline & gather statistics | |
3 | * | |
4 | * Copyright (C) 2006 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 | ||
4c48f14e | 23 | static void handle_queue(struct io *q_iop) |
095181f2 | 24 | { |
4c48f14e | 25 | seeki_add(q_iop->dip->q2q_handle, q_iop); |
4c48f14e AB |
26 | update_qregion(&all_regions, q_iop->t.time); |
27 | dip_update_q(q_iop->dip, q_iop); | |
28 | pip_update_q(q_iop); | |
ae6d30f4 AB |
29 | if (remapper_dev(q_iop->t.device)) |
30 | update_lq(&last_q, &all_avgs.q2q_dm, q_iop->t.time); | |
31 | else { | |
4c48f14e | 32 | update_q_histo(q_iop->t.bytes); |
ae6d30f4 AB |
33 | update_lq(&last_q, &all_avgs.q2q, q_iop->t.time); |
34 | } | |
4c48f14e | 35 | |
8b10aae0 | 36 | q_iop->i_time = q_iop->g_time = q_iop->i_time = q_iop->m_time = |
ae6d30f4 | 37 | q_iop->d_time = (__u64)-1; |
77f256cd | 38 | q_iop->dip->n_qs++; |
50f73899 AB |
39 | |
40 | q_iop->dip->t_act_q += q_iop->dip->n_act_q; | |
41 | q_iop->dip->n_act_q++; | |
095181f2 JA |
42 | } |
43 | ||
d76c5b81 | 44 | void trace_queue(struct io *q_iop) |
095181f2 | 45 | { |
354db430 AB |
46 | if (q_iop->t.bytes == 0) |
47 | return; | |
48 | ||
4c48f14e AB |
49 | if (io_setup(q_iop, IOP_Q)) |
50 | handle_queue(q_iop); | |
d76c5b81 AB |
51 | else |
52 | io_release(q_iop); | |
095181f2 | 53 | } |