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/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2000, 2001 by Martin Pool <mbp@sourcefrog.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** \file stats.c
* stats reporting functions.
*
* \todo Other things to show in statistics: number of input and output bytes,
* number of times we blocked waiting for input or output, number of blocks. */
#include "config.h" /* IWYU pragma: keep */
#include <stdio.h>
#include "librsync.h"
#include "trace.h"
int rs_log_stats(rs_stats_t const *stats)
{
char buf[1000];
rs_format_stats(stats, buf, sizeof buf - 1);
rs_log(RS_LOG_INFO | RS_LOG_NONAME, "%s", buf);
return 0;
}
char *rs_format_stats(rs_stats_t const *stats, char *buf, size_t size)
{
char const *op = stats->op;
int len, sec;
double mb_in, mb_out;
if (!op)
op = "noop";
len = snprintf(buf, size, "%s statistics: ", op);
if (stats->lit_cmds) {
len +=
snprintf(buf + len, size - (size_t)len,
"literal[%d cmds, " FMT_LONG " bytes, " FMT_LONG
" cmdbytes] ", stats->lit_cmds, stats->lit_bytes,
stats->lit_cmdbytes);
}
if (stats->sig_cmds) {
len +=
snprintf(buf + len, size - (size_t)len,
"in-place-signature[" FMT_LONG " cmds, " FMT_LONG
" bytes] ", stats->sig_cmds, stats->sig_bytes);
}
if (stats->copy_cmds || stats->false_matches) {
len +=
snprintf(buf + len, size - (size_t)len,
"copy[" FMT_LONG " cmds, " FMT_LONG " bytes, " FMT_LONG
" cmdbytes, %d false]", stats->copy_cmds,
stats->copy_bytes, stats->copy_cmdbytes,
stats->false_matches);
}
if (stats->sig_blocks) {
len +=
snprintf(buf + len, size - (size_t)len,
"signature[" FMT_LONG " blocks, " FMT_SIZE
" bytes per block]", stats->sig_blocks, stats->block_len);
}
sec = (int)(stats->end - stats->start);
if (sec == 0)
sec = 1; // avoid division by zero
mb_in = (double)stats->in_bytes / 1e6;
mb_out = (double)stats->out_bytes / 1e6;
snprintf(buf + len, size - (size_t)len,
" speed[%.1f MB (%.1f MB/s) in, %.1f MB (%.1f MB/s) out, %d sec]",
mb_in, mb_in / sec, mb_out, mb_out / sec, sec);
return buf;
}
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