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