Commit | Line | Data |
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63eba147 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 <stdio.h> | |
22 | #include <string.h> | |
23 | #include <unistd.h> | |
d76c5b81 AB |
24 | #include <sys/time.h> |
25 | #include <time.h> | |
63eba147 JA |
26 | #include "globals.h" |
27 | ||
ee27874b | 28 | char bt_timeline_version[] = "2.08"; |
63eba147 | 29 | |
69040794 | 30 | char *devices, *exes, *input_name, *output_name, *seek_name, *bno_dump_name; |
fc16a815 | 31 | char *d2c_name, *q2c_name, *per_io_name, *unplug_hist_name; |
a22df989 | 32 | char *sps_name, *aqd_name, *q2d_name, *per_io_trees; |
c053af42 | 33 | FILE *rngs_ofp, *avgs_ofp, *xavgs_ofp, *per_io_ofp, *msgs_ofp; |
69040794 | 34 | int verbose, done, time_bounded, output_all_data, seek_absolute; |
ee27874b | 35 | int easy_parse_avgs, ignore_remaps; |
001b2633 | 36 | double t_astart, t_aend; |
6eb42155 | 37 | unsigned long n_traces; |
63eba147 | 38 | struct avgs_info all_avgs; |
63eba147 | 39 | unsigned int n_devs; |
6eb42155 | 40 | time_t genesis, last_vtrace; |
63eba147 | 41 | LIST_HEAD(all_devs); |
63eba147 | 42 | LIST_HEAD(all_procs); |
8b10aae0 | 43 | LIST_HEAD(all_ios); |
6eb42155 | 44 | LIST_HEAD(free_ios); |
69040794 | 45 | LIST_HEAD(free_bilinks); |
fa0ab85d | 46 | __u64 q_histo[N_HIST_BKTS], d_histo[N_HIST_BKTS]; |
63eba147 | 47 | |
2baef508 | 48 | double plat_freq = 0.0; |
001b2633 JA |
49 | double range_delta = 0.1; |
50 | __u64 last_q = (__u64)-1; | |
51 | ||
63eba147 JA |
52 | struct region_info all_regions = { |
53 | .qranges = LIST_HEAD_INIT(all_regions.qranges), | |
54 | .cranges = LIST_HEAD_INIT(all_regions.cranges), | |
63eba147 JA |
55 | }; |
56 | ||
63eba147 JA |
57 | int process(void); |
58 | ||
59 | int main(int argc, char *argv[]) | |
60 | { | |
61 | handle_args(argc, argv); | |
62 | ||
6eb42155 | 63 | init_dev_heads(); |
21e47d90 | 64 | iostat_init(); |
c053af42 | 65 | if (process() || output_avgs(avgs_ofp) || output_ranges(rngs_ofp)) |
63eba147 JA |
66 | return 1; |
67 | ||
69040794 AB |
68 | if (iostat_ofp) { |
69 | fprintf(iostat_ofp, "\n"); | |
70 | iostat_dump_stats(iostat_last_stamp, 1); | |
71 | } | |
72 | ||
84a26fcd AB |
73 | if (msgs_ofp != stdout) |
74 | fclose(msgs_ofp); | |
c053af42 AB |
75 | if (rngs_ofp != stdout) |
76 | fclose(rngs_ofp); | |
8b10aae0 | 77 | if (avgs_ofp != stdout) |
69040794 | 78 | fclose(avgs_ofp); |
c053af42 AB |
79 | if (xavgs_ofp) |
80 | fclose(xavgs_ofp); | |
69040794 | 81 | |
c053af42 | 82 | dip_cleanup(); |
69040794 AB |
83 | dev_map_exit(); |
84 | dip_exit(); | |
85 | pip_exit(); | |
86 | io_free_all(); | |
69040794 | 87 | region_exit(&all_regions); |
c053af42 | 88 | clean_allocs(); |
69040794 | 89 | |
63eba147 JA |
90 | return 0; |
91 | } | |
92 | ||
d76c5b81 AB |
93 | static inline double tv2dbl(struct timeval *tv) |
94 | { | |
95 | return (double)tv->tv_sec + (((double)tv->tv_usec) / (1000.0 * 1000.0)); | |
96 | } | |
97 | ||
63eba147 JA |
98 | int process(void) |
99 | { | |
100 | int ret = 0; | |
6eb42155 | 101 | struct io *iop = io_alloc(); |
69040794 | 102 | struct timeval tvs, tve; |
63eba147 | 103 | |
6eb42155 | 104 | genesis = last_vtrace = time(NULL); |
d76c5b81 AB |
105 | gettimeofday(&tvs, NULL); |
106 | while (!done && next_trace(&iop->t, &iop->pdu)) { | |
63eba147 | 107 | add_trace(iop); |
6eb42155 | 108 | iop = io_alloc(); |
63eba147 | 109 | } |
001b2633 | 110 | |
6eb42155 | 111 | io_release(iop); |
d76c5b81 | 112 | gettimeofday(&tve, NULL); |
b2ecdd0f | 113 | |
6eb42155 | 114 | if (verbose) { |
69040794 | 115 | double tps, dt_input = tv2dbl(&tve) - tv2dbl(&tvs); |
8b10aae0 | 116 | |
d76c5b81 | 117 | tps = (double)n_traces / dt_input; |
69040794 AB |
118 | printf("\r " |
119 | " \r"); | |
120 | printf("%10lu traces @ %.1lf Ktps in %.6lf seconds\n", | |
d76c5b81 | 121 | n_traces, tps/1000.0, |
69040794 | 122 | dt_input); |
6eb42155 | 123 | } |
63eba147 | 124 | |
63eba147 JA |
125 | return ret; |
126 | } |