From 7c44fd68f000374d20610e547f26b84b0794c494 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Sun, 27 Apr 2014 19:31:25 +0100 Subject: [cmdline] Add "profstat" command to display profiling statistics Signed-off-by: Michael Brown --- src/usr/profstat.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 src/usr/profstat.c (limited to 'src/usr') diff --git a/src/usr/profstat.c b/src/usr/profstat.c new file mode 100644 index 00000000..99142747 --- /dev/null +++ b/src/usr/profstat.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2014 Michael Brown . + * + * 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 +#include +#include + +/** @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 ); + } +} -- cgit v1.2.3-55-g7522