diff options
Diffstat (limited to 'qemu/roms/ipxe/src/tests/profile_test.c')
| -rw-r--r-- | qemu/roms/ipxe/src/tests/profile_test.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/qemu/roms/ipxe/src/tests/profile_test.c b/qemu/roms/ipxe/src/tests/profile_test.c deleted file mode 100644 index d2f8df211..000000000 --- a/qemu/roms/ipxe/src/tests/profile_test.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * 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. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -/** @file - * - * Profiling self-tests - * - */ - -/* Forcibly enable assertions */ -#undef NDEBUG - -#include <string.h> -#include <assert.h> -#include <ipxe/test.h> -#include <ipxe/profile.h> - -/** A profiling test */ -struct profile_test { - /** Sample values */ - const unsigned long *samples; - /** Number of samples */ - unsigned int count; - /** Expected mean sample value */ - unsigned long mean; - /** Expected standard deviation */ - unsigned long stddev; -}; - -/** Define inline data */ -#define DATA(...) { __VA_ARGS__ } - -/** Define a profiling test */ -#define PROFILE_TEST( name, MEAN, STDDEV, SAMPLES ) \ - static const unsigned long name ## _samples[] = SAMPLES; \ - static struct profile_test name = { \ - .samples = name ## _samples, \ - .count = ( sizeof ( name ## _samples ) / \ - sizeof ( name ## _samples [0] ) ), \ - .mean = MEAN, \ - .stddev = STDDEV, \ - } - -/** Empty data set */ -PROFILE_TEST ( empty, 0, 0, DATA() ); - -/** Single-element data set (zero) */ -PROFILE_TEST ( zero, 0, 0, DATA ( 0 ) ); - -/** Single-element data set (non-zero) */ -PROFILE_TEST ( single, 42, 0, DATA ( 42 ) ); - -/** Multiple identical element data set */ -PROFILE_TEST ( identical, 69, 0, DATA ( 69, 69, 69, 69, 69, 69, 69 ) ); - -/** Small element data set */ -PROFILE_TEST ( small, 5, 2, DATA ( 3, 5, 9, 4, 3, 2, 5, 7 ) ); - -/** Random data set */ -PROFILE_TEST ( random, 70198, 394, - DATA ( 69772, 70068, 70769, 69653, 70663, 71078, 70101, 70341, - 70215, 69600, 70020, 70456, 70421, 69972, 70267, 69999, - 69972 ) ); - -/** Large-valued random data set */ -PROFILE_TEST ( large, 93533894UL, 25538UL, - DATA ( 93510333UL, 93561169UL, 93492361UL, 93528647UL, - 93557566UL, 93503465UL, 93540126UL, 93549020UL, - 93502307UL, 93527320UL, 93537152UL, 93540125UL, - 93550773UL, 93586731UL, 93521312UL ) ); - -/** - * Report a profiling test result - * - * @v test Profiling test - * @v file Test code file - * @v line Test code line - */ -static void profile_okx ( struct profile_test *test, const char *file, - unsigned int line ) { - struct profiler profiler; - unsigned long mean; - unsigned long stddev; - unsigned int i; - - /* Initialise profiler */ - memset ( &profiler, 0, sizeof ( profiler ) ); - - /* Record sample values */ - for ( i = 0 ; i < test->count ; i++ ) - profile_update ( &profiler, test->samples[i] ); - - /* Check resulting statistics */ - mean = profile_mean ( &profiler ); - stddev = profile_stddev ( &profiler ); - DBGC ( test, "PROFILE calculated mean %ld stddev %ld\n", mean, stddev ); - okx ( mean == test->mean, file, line ); - okx ( stddev == test->stddev, file, line ); -} -#define profile_ok( test ) profile_okx ( test, __FILE__, __LINE__ ) - -/** - * Perform profiling self-tests - * - */ -static void profile_test_exec ( void ) { - - /* Perform profiling tests */ - profile_ok ( &empty ); - profile_ok ( &zero ); - profile_ok ( &single ); - profile_ok ( &identical ); - profile_ok ( &small ); - profile_ok ( &random ); - profile_ok ( &large ); -} - -/** Profiling self-test */ -struct self_test profile_test __self_test = { - .name = "profile", - .exec = profile_test_exec, -}; |