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Diffstat (limited to '')
| -rw-r--r-- | src/libs/xpcom18a4/nsprpub/pr/tests/inrval.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/nsprpub/pr/tests/inrval.c b/src/libs/xpcom18a4/nsprpub/pr/tests/inrval.c new file mode 100644 index 00000000..b057c685 --- /dev/null +++ b/src/libs/xpcom18a4/nsprpub/pr/tests/inrval.c @@ -0,0 +1,242 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* +** file: inrval.c +** description: Interval conversion test. +** Modification History: +** 15-May-97 AGarcia- Converted the test to accomodate the debug_mode flag. +** The debug mode will print all of the printfs associated with this test. +** The regress mode will be the default mode. Since the regress tool limits +** the output to a one line status:PASS or FAIL,all of the printf statements +** have been handled with an if (debug_mode) statement. +** 04-June-97 AGarcia removed the Test_Result function. Regress tool has been updated to +** recognize the return code from tha main program. +**/ +/*********************************************************************** +** Includes +***********************************************************************/ +/* Used to get the command line option */ +#include "plgetopt.h" + +#include "prinit.h" +#ifdef XP_MAC +#include "pralarm.h" +#else +#include "obsolete/pralarm.h" +#endif + +#include "prio.h" +#include "prprf.h" +#include "prlock.h" +#include "prlong.h" +#include "prcvar.h" +#include "prinrval.h" +#include "prtime.h" + +#include "plgetopt.h" + +#include <stdio.h> +#include <stdlib.h> + +static PRIntn debug_mode; +static PRFileDesc *output; + + +static void TestConversions(void) +{ + PRIntervalTime ticks = PR_TicksPerSecond(); + + if (debug_mode) { + PR_fprintf(output, "PR_TicksPerSecond: %ld\n\n", ticks); + PR_fprintf(output, "PR_SecondsToInterval(1): %ld\n", PR_SecondsToInterval(1)); + PR_fprintf(output, "PR_MillisecondsToInterval(1000): %ld\n", PR_MillisecondsToInterval(1000)); + PR_fprintf(output, "PR_MicrosecondsToInterval(1000000): %ld\n\n", PR_MicrosecondsToInterval(1000000)); + + PR_fprintf(output, "PR_SecondsToInterval(3): %ld\n", PR_SecondsToInterval(3)); + PR_fprintf(output, "PR_MillisecondsToInterval(3000): %ld\n", PR_MillisecondsToInterval(3000)); + PR_fprintf(output, "PR_MicrosecondsToInterval(3000000): %ld\n\n", PR_MicrosecondsToInterval(3000000)); + + PR_fprintf(output, "PR_IntervalToSeconds(%ld): %ld\n", ticks, PR_IntervalToSeconds(ticks)); + PR_fprintf(output, "PR_IntervalToMilliseconds(%ld): %ld\n", ticks, PR_IntervalToMilliseconds(ticks)); + PR_fprintf(output, "PR_IntervalToMicroseconds(%ld): %ld\n\n", ticks, PR_IntervalToMicroseconds(ticks)); + + ticks *= 3; + PR_fprintf(output, "PR_IntervalToSeconds(%ld): %ld\n", ticks, PR_IntervalToSeconds(ticks)); + PR_fprintf(output, "PR_IntervalToMilliseconds(%ld): %ld\n", ticks, PR_IntervalToMilliseconds(ticks)); + PR_fprintf(output, "PR_IntervalToMicroseconds(%ld): %ld\n\n", ticks, PR_IntervalToMicroseconds(ticks)); + } /*end debug mode */ +} /* TestConversions */ + +static void TestIntervalOverhead(void) +{ + /* Hopefully the optimizer won't delete this function */ + PRUint32 elapsed, per_call, loops = 1000000; + + PRIntervalTime timeout, timein = PR_IntervalNow(); + while (--loops > 0) + timeout = PR_IntervalNow(); + + elapsed = 1000U * PR_IntervalToMicroseconds(timeout - timein); + per_call = elapsed / 1000000U; + PR_fprintf( + output, "Overhead of 'PR_IntervalNow()' is %u nsecs\n\n", per_call); +} /* TestIntervalOverhead */ + +static void TestNowOverhead(void) +{ + PRTime timeout, timein; + PRInt32 overhead, loops = 1000000; + PRInt64 elapsed, per_call, ten23rd, ten26th; + + LL_I2L(ten23rd, 1000); + LL_I2L(ten26th, 1000000); + + timein = PR_Now(); + while (--loops > 0) + timeout = PR_Now(); + + LL_SUB(elapsed, timeout, timein); + LL_MUL(elapsed, elapsed, ten23rd); + LL_DIV(per_call, elapsed, ten26th); + LL_L2I(overhead, per_call); + PR_fprintf( + output, "Overhead of 'PR_Now()' is %u nsecs\n\n", overhead); +} /* TestNowOverhead */ + +static void TestIntervals(void) +{ + PRStatus rv; + PRUint32 delta; + PRInt32 seconds; + PRUint64 elapsed, thousand; + PRTime timein, timeout; + PRLock *ml = PR_NewLock(); + PRCondVar *cv = PR_NewCondVar(ml); + for (seconds = 0; seconds < 10; ++seconds) + { + PRIntervalTime ticks = PR_SecondsToInterval(seconds); + PR_Lock(ml); + timein = PR_Now(); + rv = PR_WaitCondVar(cv, ticks); + timeout = PR_Now(); + PR_Unlock(ml); + LL_SUB(elapsed, timeout, timein); + LL_I2L(thousand, 1000); + LL_DIV(elapsed, elapsed, thousand); + LL_L2UI(delta, elapsed); + if (debug_mode) PR_fprintf(output, + "TestIntervals: %swaiting %ld seconds took %ld msecs\n", + ((rv == PR_SUCCESS) ? "" : "FAILED "), seconds, delta); + } + PR_DestroyCondVar(cv); + PR_DestroyLock(ml); + if (debug_mode) PR_fprintf(output, "\n"); +} /* TestIntervals */ + +static PRIntn PR_CALLBACK RealMain(int argc, char** argv) +{ + PRUint32 vcpu, cpus = 0, loops = 1000; + + /* The command line argument: -d is used to determine if the test is being run + in debug mode. The regress tool requires only one line output:PASS or FAIL. + All of the printfs associated with this test has been handled with a if (debug_mode) + test. + Usage: test_name -d + */ + + /* main test */ + + PLOptStatus os; + PLOptState *opt = PL_CreateOptState(argc, argv, "dl:c:"); + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) + { + if (PL_OPT_BAD == os) continue; + switch (opt->option) + { + case 'd': /* debug mode */ + debug_mode = 1; + break; + case 'c': /* concurrency counter */ + cpus = atoi(opt->value); + break; + case 'l': /* loop counter */ + loops = atoi(opt->value); + break; + default: + break; + } + } + PL_DestroyOptState(opt); + + output = PR_GetSpecialFD(PR_StandardOutput); + PR_fprintf(output, "inrval: Examine stdout to determine results.\n"); + + if (cpus == 0) cpus = 8; + if (loops == 0) loops = 1000; + + if (debug_mode > 0) + { + PR_fprintf(output, "Inrval: Using %d loops\n", loops); + PR_fprintf(output, "Inrval: Using 1 and %d cpu(s)\n", cpus); + } + + for (vcpu = 1; vcpu <= cpus; vcpu += cpus - 1) + { + if (debug_mode) + PR_fprintf(output, "\nInrval: Using %d CPU(s)\n\n", vcpu); + PR_SetConcurrency(vcpu); + + TestNowOverhead(); + TestIntervalOverhead(); + TestConversions(); + TestIntervals(); + } + + return 0; +} + + +PRIntn main(PRIntn argc, char *argv[]) +{ + PRIntn rv; + + PR_STDIO_INIT(); + rv = PR_Initialize(RealMain, argc, argv, 0); + return rv; +} /* main */ + |