140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/*
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* Copyright (c) 2003-2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <getopt.h>
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#include "cmd.h"
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#include "block/aio.h"
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#include "qemu/main-loop.h"
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#define _(x) x /* not gettext support yet */
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/* from libxcmd/command.c */
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#define EXABYTES(x) ((long long)(x) << 60)
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#define PETABYTES(x) ((long long)(x) << 50)
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#define TERABYTES(x) ((long long)(x) << 40)
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#define GIGABYTES(x) ((long long)(x) << 30)
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#define MEGABYTES(x) ((long long)(x) << 20)
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#define KILOBYTES(x) ((long long)(x) << 10)
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#define TO_EXABYTES(x) ((x) / EXABYTES(1))
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#define TO_PETABYTES(x) ((x) / PETABYTES(1))
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#define TO_TERABYTES(x) ((x) / TERABYTES(1))
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#define TO_GIGABYTES(x) ((x) / GIGABYTES(1))
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#define TO_MEGABYTES(x) ((x) / MEGABYTES(1))
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#define TO_KILOBYTES(x) ((x) / KILOBYTES(1))
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void
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cvtstr(
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double value,
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char *str,
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size_t size)
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{
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char *trim;
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const char *suffix;
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if (value >= EXABYTES(1)) {
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suffix = " EiB";
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snprintf(str, size - 4, "%.3f", TO_EXABYTES(value));
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} else if (value >= PETABYTES(1)) {
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suffix = " PiB";
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snprintf(str, size - 4, "%.3f", TO_PETABYTES(value));
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} else if (value >= TERABYTES(1)) {
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suffix = " TiB";
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snprintf(str, size - 4, "%.3f", TO_TERABYTES(value));
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} else if (value >= GIGABYTES(1)) {
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suffix = " GiB";
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snprintf(str, size - 4, "%.3f", TO_GIGABYTES(value));
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} else if (value >= MEGABYTES(1)) {
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suffix = " MiB";
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snprintf(str, size - 4, "%.3f", TO_MEGABYTES(value));
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} else if (value >= KILOBYTES(1)) {
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suffix = " KiB";
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snprintf(str, size - 4, "%.3f", TO_KILOBYTES(value));
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} else {
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suffix = " bytes";
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snprintf(str, size - 6, "%f", value);
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}
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trim = strstr(str, ".000");
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if (trim) {
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strcpy(trim, suffix);
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} else {
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strcat(str, suffix);
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}
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}
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struct timeval
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tsub(struct timeval t1, struct timeval t2)
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{
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t1.tv_usec -= t2.tv_usec;
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if (t1.tv_usec < 0) {
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t1.tv_usec += 1000000;
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t1.tv_sec--;
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}
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t1.tv_sec -= t2.tv_sec;
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return t1;
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}
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double
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tdiv(double value, struct timeval tv)
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{
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return value / ((double)tv.tv_sec + ((double)tv.tv_usec / 1000000.0));
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}
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#define HOURS(sec) ((sec) / (60 * 60))
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#define MINUTES(sec) (((sec) % (60 * 60)) / 60)
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#define SECONDS(sec) ((sec) % 60)
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void
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timestr(
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struct timeval *tv,
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char *ts,
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size_t size,
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int format)
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{
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double usec = (double)tv->tv_usec / 1000000.0;
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if (format & TERSE_FIXED_TIME) {
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if (!HOURS(tv->tv_sec)) {
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snprintf(ts, size, "%u:%02u.%02u",
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(unsigned int) MINUTES(tv->tv_sec),
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(unsigned int) SECONDS(tv->tv_sec),
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(unsigned int) (usec * 100));
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return;
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}
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format |= VERBOSE_FIXED_TIME; /* fallback if hours needed */
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}
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if ((format & VERBOSE_FIXED_TIME) || tv->tv_sec) {
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snprintf(ts, size, "%u:%02u:%02u.%02u",
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(unsigned int) HOURS(tv->tv_sec),
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(unsigned int) MINUTES(tv->tv_sec),
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(unsigned int) SECONDS(tv->tv_sec),
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(unsigned int) (usec * 100));
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} else {
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snprintf(ts, size, "0.%04u sec", (unsigned int) (usec * 10000));
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}
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}
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