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424 lines
8.3 KiB
424 lines
8.3 KiB
/*
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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 <stdio.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "globals.h"
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#define SETBUFFER_SIZE (64 * 1024)
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#define S_OPTS "aAB:d:D:e:hi:I:l:L:m:M:o:p:P:q:Q:rs:S:t:T:u:VvXz:Z"
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static struct option l_opts[] = {
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{
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.name = "seek-absolute",
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.has_arg = no_argument,
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.flag = NULL,
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.val = 'a'
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},
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{
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.name = "all-data",
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.has_arg = no_argument,
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.flag = NULL,
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.val = 'A'
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},
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{
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.name = "dump-blocknos",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'B'
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},
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{
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.name = "range-delta",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'd'
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},
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{
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.name = "devices",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'D'
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},
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{
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.name = "exes",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'e'
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},
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{
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.name = "help",
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.has_arg = no_argument,
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.flag = NULL,
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.val = 'h'
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},
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{
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.name = "input-file",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'i'
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},
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{
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.name = "iostat",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'I'
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},
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{
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.name = "d2c-latencies",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'l'
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},
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{
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.name = "periodic-latencies",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'L'
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},
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{
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.name = "seeks-per-second",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'm'
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},
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{
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.name = "dev-maps",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'M'
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},
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{
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.name = "output-file",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'o'
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},
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{
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.name = "per-io-dump",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'p'
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},
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{
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.name = "per-io-trees",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'P'
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},
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{
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.name = "q2c-latencies",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'q'
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},
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{
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.name = "active-queue-depth",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'Q'
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},
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{
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.name = "no-remaps",
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.has_arg = no_argument,
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.flag = NULL,
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.val = 'r'
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},
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{
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.name = "seeks",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 's'
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},
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{
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.name = "iostat-interval",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'S'
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},
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{
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.name = "time-start",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 't'
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},
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{
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.name = "time-end",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'T'
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},
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{
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.name = "unplug-hist",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'u'
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},
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{
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.name = "version",
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.has_arg = no_argument,
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.flag = NULL,
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.val = 'V'
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},
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{
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.name = "verbose",
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.has_arg = no_argument,
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.flag = NULL,
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.val = 'v'
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},
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{
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.name = "do-active",
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.has_arg = no_argument,
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.flag = NULL,
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.val = 'z'
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},
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{
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.name = "easy-parse-avgs",
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.has_arg = no_argument,
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.flag = NULL,
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.val = 'X'
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},
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{
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.name = "q2d-latencies",
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.has_arg = required_argument,
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.flag = NULL,
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.val = 'z'
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},
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{
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.name = NULL,
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}
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};
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static char usage_str[] = \
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"\n[ -a | --seek-absolute ]\n" \
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"[ -A | --all-data ]\n" \
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"[ -B <output name> | --dump-blocknos=<output name> ]\n" \
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"[ -d <seconds> | --range-delta=<seconds> ]\n" \
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"[ -D <dev;...> | --devices=<dev;...> ]\n" \
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"[ -e <exe,...> | --exes=<exe,...> ]\n" \
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"[ -h | --help ]\n" \
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"[ -i <input name> | --input-file=<input name> ]\n" \
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"[ -I <output name> | --iostat=<output name> ]\n" \
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"[ -l <output name> | --d2c-latencies=<output name> ]\n" \
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"[ -L <freq> | --periodic-latencies=<freq> ]\n" \
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"[ -m <output name> | --seeks-per-second=<output name> ]\n" \
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"[ -M <dev map> | --dev-maps=<dev map>\n" \
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"[ -o <output name> | --output-file=<output name> ]\n" \
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"[ -p <output name> | --per-io-dump=<output name> ]\n" \
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"[ -P <output name> | --per-io-trees=<output name> ]\n" \
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"[ -q <output name> | --q2c-latencies=<output name> ]\n" \
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"[ -Q <output name> | --active-queue-depth=<output name> ]\n" \
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"[ -r | --no-remaps ]\n" \
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"[ -s <output name> | --seeks=<output name> ]\n" \
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"[ -S <interval> | --iostat-interval=<interval> ]\n" \
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"[ -t <sec> | --time-start=<sec> ]\n" \
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"[ -T <sec> | --time-end=<sec> ]\n" \
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"[ -u <output name> | --unplug-hist=<output name> ]\n" \
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"[ -V | --version ]\n" \
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"[ -v | --verbose ]\n" \
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"[ -X | --easy-parse-avgs ]\n" \
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"[ -z <output name> | --q2d-latencies=<output name> ]\n" \
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"[ -Z | --do-active\n" \
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"\n";
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static void usage(char *prog)
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{
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fprintf(stderr, "Usage: %s %s", prog, usage_str);
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}
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static FILE *setup_ofile(char *fname)
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{
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if (fname) {
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char *buf;
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FILE *ofp = my_fopen(fname, "w");
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if (!ofp) {
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perror(fname);
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exit(1);
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}
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buf = malloc(SETBUFFER_SIZE);
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setbuffer(ofp, buf, SETBUFFER_SIZE);
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add_file(ofp, fname);
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add_buf(buf);
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return ofp;
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}
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return NULL;
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}
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static FILE *std_open(char *output_name, char *sfx, char *msg)
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{
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FILE *fp;
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char fname[strlen(output_name) + 32];
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sprintf(fname, "%s.%s", output_name, sfx);
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fp = my_fopen(fname, "w");
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if (fp == NULL) {
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perror(fname);
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exit(1);
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}
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if (verbose)
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printf("Sending %s to %s\n", msg, fname);
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return fp;
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}
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void handle_args(int argc, char *argv[])
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{
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int c;
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while ((c = getopt_long(argc, argv, S_OPTS, l_opts, NULL)) != -1) {
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switch (c) {
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case 'a':
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seek_absolute = 1;
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break;
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case 'A':
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output_all_data = 1;
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break;
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case 'B':
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bno_dump_name = optarg;
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break;
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case 'd':
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sscanf(optarg, "%lf", &range_delta);
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break;
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case 'D':
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devices = optarg;
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break;
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case 'e':
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exes = optarg;
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break;
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case 'h':
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usage(argv[0]);
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exit(0);
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case 'i':
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input_name = optarg;
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break;
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case 'l':
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d2c_name = optarg;
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break;
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case 'L':
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plat_freq = atof(optarg);
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break;
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case 'I':
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iostat_name = strdup(optarg);
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break;
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case 'm':
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sps_name = optarg;
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break;
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case 'M':
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if (dev_map_read(optarg))
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exit(1);
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break;
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case 'o':
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output_name = optarg;
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break;
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case 'p':
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per_io_name = strdup(optarg);
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break;
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case 'P':
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per_io_trees = optarg;
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break;
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case 'q':
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q2c_name = optarg;
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break;
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case 'Q':
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aqd_name = optarg;
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break;
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case 'r':
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ignore_remaps = 1;
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break;
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case 's':
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seek_name = optarg;
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break;
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case 'S': {
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unsigned int interval;
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sscanf(optarg, "%u", &interval);
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iostat_interval = (__u64)interval * 1000000000LL;
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break;
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}
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case 't':
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sscanf(optarg, "%lf", &t_astart);
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time_bounded = 1;
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break;
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case 'T':
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sscanf(optarg, "%lf", &t_aend);
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time_bounded = 1;
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break;
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case 'u':
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unplug_hist_name = optarg;
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break;
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case 'v':
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verbose = 1;
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break;
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case 'V':
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printf("%s version %s\n", argv[0], bt_timeline_version);
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exit(0);
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case 'X':
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easy_parse_avgs++;
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break;
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case 'z':
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q2d_name = optarg;
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break;
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case 'Z':
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do_p_live = 1;
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break;
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default:
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usage(argv[0]);
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exit(1);
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}
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}
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if (input_name == NULL) {
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usage(argv[0]);
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exit(1);
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}
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if (sps_name && !seek_name) {
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fprintf(stderr, "FATAL: -m option requires -s options\n");
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exit(1);
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}
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setup_ifile(input_name);
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if (output_name == NULL) {
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rngs_ofp = avgs_ofp = msgs_ofp = stdout;
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easy_parse_avgs = 0;
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} else {
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rngs_ofp = std_open(output_name, "dat", "range data");
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avgs_ofp = std_open(output_name, "avg", "stats data");
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msgs_ofp = std_open(output_name, "msg", "K messages");
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if (easy_parse_avgs) {
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xavgs_ofp = std_open(output_name, "xvg",
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"EZ stats data");
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}
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}
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iostat_ofp = setup_ofile(iostat_name);
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per_io_ofp = setup_ofile(per_io_name);
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}
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