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[cmdline] Add "profstat" command to display profiling statistics

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2014-04-27 19:31:25 +01:00
parent e5f6a9be38
commit 7c44fd68f0
5 changed files with 132 additions and 0 deletions
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3
src/config/config.c
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@ -290,6 +290,9 @@ REQUIRE_OBJECT ( console_cmd );
#ifdef IPSTAT_CMD
REQUIRE_OBJECT ( ipstat_cmd );
#endif
#ifdef PROFSTAT_CMD
REQUIRE_OBJECT ( profstat_cmd );
#endif
/*
* Drag in miscellaneous objects

1
src/config/general.h
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@ -149,6 +149,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
//#define PING_CMD /* Ping command */
//#define CONSOLE_CMD /* Console command */
//#define IPSTAT_CMD /* IP statistics commands */
//#define PROFSTAT_CMD /* Profiling commands */
/*
* ROM-specific options

70
src/hci/commands/profstat_cmd.c Normal file
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@ -0,0 +1,70 @@
/*
* Copyright (C) 2014 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdio.h>
#include <getopt.h>
#include <ipxe/command.h>
#include <ipxe/parseopt.h>
#include <usr/profstat.h>
/** @file
*
* Profiling commands
*
*/
/** "profstat" options */
struct profstat_options {};
/** "profstat" option list */
static struct option_descriptor profstat_opts[] = {};
/** "profstat" command descriptor */
static struct command_descriptor profstat_cmd =
COMMAND_DESC ( struct profstat_options, profstat_opts, 0, 0, NULL );
/**
* The "profstat" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Return status code
*/
static int profstat_exec ( int argc, char **argv ) {
struct profstat_options opts;
int rc;
/* Parse options */
if ( ( rc = parse_options ( argc, argv, &profstat_cmd, &opts ) ) != 0 )
return rc;
profstat();
return 0;
}
/** Profiling commands */
struct command profstat_commands[] __command = {
{
.name = "profstat",
.exec = profstat_exec,
},
};

14
src/include/usr/profstat.h Normal file
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@ -0,0 +1,14 @@
#ifndef _USR_PROFSTAT_H
#define _USR_PROFSTAT_H
/** @file
*
* Profiling
*
*/
FILE_LICENCE ( GPL2_OR_LATER );
extern void profstat ( void );
#endif /* _USR_PROFSTAT_H */

44
src/usr/profstat.c Normal file
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@ -0,0 +1,44 @@
/*
* Copyright (C) 2014 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdio.h>
#include <ipxe/profile.h>
#include <usr/profstat.h>
/** @file
*
* Profiling
*
*/
/**
* Print profiling statistics
*
*/
void profstat ( void ) {
struct profiler *profiler;
for_each_table_entry ( profiler, PROFILERS ) {
printf ( "%s: %ld +/- %ld ticks (%d samples)\n",
profiler->name, profile_mean ( profiler ),
profile_stddev ( profiler ), profiler->count );
}
}