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Diffstat (limited to 'nsprpub/pr/tests/instrumt.c')
| -rw-r--r-- | nsprpub/pr/tests/instrumt.c | 475 |
1 files changed, 475 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/instrumt.c b/nsprpub/pr/tests/instrumt.c new file mode 100644 index 000000000..5094e5dbc --- /dev/null +++ b/nsprpub/pr/tests/instrumt.c @@ -0,0 +1,475 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* +** File: instrumt.c +** Description: This test is for the NSPR debug aids defined in +** prcountr.h, prtrace.h, prolock.h +** +** The test case tests the three debug aids in NSPR: +** +** Diagnostic messages can be enabled using "instrumt -v 6" +** This sets the msgLevel to something that PR_LOG() likes. +** Also define in the environment "NSPR_LOG_MODULES=Test:6" +** +** CounterTest() tests the counter facility. This test +** creates 4 threads. Each thread either increments, decrements, +** adds to or subtracts from a counter, depending on an argument +** passed to the thread at thread-create time. Each of these threads +** does COUNT_LIMIT iterations doing its thing. When all 4 threads +** are done, the result of the counter is evaluated. If all was atomic, +** the the value of the counter should be zero. +** +** TraceTest(): +** This test mingles with the counter test. Counters trace. +** A thread to extract trace entries on the fly is started. +** A thread to dump trace entries to a file is started. +** +** OrderedLockTest(): +** +** +** +** +** +*/ + +#include <stdio.h> +#include <plstr.h> +#include <prclist.h> +#include <prmem.h> +#include <plgetopt.h> +#include <prlog.h> +#include <prmon.h> +#include <pratom.h> +#include <prtrace.h> +#include <prcountr.h> +#include <prolock.h> + +#define COUNT_LIMIT (10 * ( 1024)) + +#define SMALL_TRACE_BUFSIZE ( 60 * 1024 ) + +typedef enum +{ + CountLoop = 1, + TraceLoop = 2, + TraceFlow = 3 +} TraceTypes; + + +PRLogModuleLevel msgLevel = PR_LOG_ALWAYS; + +PRBool help = PR_FALSE; +PRBool failed = PR_FALSE; + + +PRLogModuleInfo *lm; +PRMonitor *mon; +PRInt32 activeThreads = 0; +PR_DEFINE_COUNTER( hCounter ); +PR_DEFINE_TRACE( hTrace ); + +static void Help(void) +{ + printf("Help? ... Ha!\n"); +} + +static void ListCounters(void) +{ + PR_DEFINE_COUNTER( qh ); + PR_DEFINE_COUNTER( rh ); + const char *qn, *rn, *dn; + const char **qname = &qn, **rname = &rn, **desc = &dn; + PRUint32 tCtr; + + PR_INIT_COUNTER_HANDLE( qh, NULL ); + PR_FIND_NEXT_COUNTER_QNAME(qh, qh ); + while ( qh != NULL ) + { + PR_INIT_COUNTER_HANDLE( rh, NULL ); + PR_FIND_NEXT_COUNTER_RNAME(rh, rh, qh ); + while ( rh != NULL ) + { + PR_GET_COUNTER_NAME_FROM_HANDLE( rh, qname, rname, desc ); + PR_GET_COUNTER(tCtr, rh); + PR_LOG( lm, msgLevel, + ( "QName: %s RName: %s Desc: %s Value: %ld\n", + qn, rn, dn, tCtr )); + PR_FIND_NEXT_COUNTER_RNAME(rh, rh, qh ); + } + PR_FIND_NEXT_COUNTER_QNAME(qh, qh); + } + return; +} /* end ListCounters() */ + +static void ListTraces(void) +{ + PR_DEFINE_TRACE( qh ); + PR_DEFINE_TRACE( rh ); + const char *qn, *rn, *dn; + const char **qname = &qn, **rname = &rn, **desc = &dn; + + PR_INIT_TRACE_HANDLE( qh, NULL ); + PR_FIND_NEXT_TRACE_QNAME(qh, qh ); + while ( qh != NULL ) + { + PR_INIT_TRACE_HANDLE( rh, NULL ); + PR_FIND_NEXT_TRACE_RNAME(rh, rh, qh ); + while ( rh != NULL ) + { + PR_GET_TRACE_NAME_FROM_HANDLE( rh, qname, rname, desc ); + PR_LOG( lm, msgLevel, + ( "QName: %s RName: %s Desc: %s", + qn, rn, dn )); + PR_FIND_NEXT_TRACE_RNAME(rh, rh, qh ); + } + PR_FIND_NEXT_TRACE_QNAME(qh, qh); + } + return; +} /* end ListCounters() */ + + +static PRInt32 one = 1; +static PRInt32 two = 2; +static PRInt32 three = 3; +static PRInt32 four = 4; + +/* +** Thread to iteratively count something. +*/ +static void PR_CALLBACK CountSomething( void *arg ) +{ + PRInt32 switchVar = *((PRInt32 *)arg); + PRInt32 i; + + PR_LOG( lm, msgLevel, + ("CountSomething: begin thread %ld", switchVar )); + + for ( i = 0; i < COUNT_LIMIT ; i++) + { + switch ( switchVar ) + { + case 1 : + PR_INCREMENT_COUNTER( hCounter ); + break; + case 2 : + PR_DECREMENT_COUNTER( hCounter ); + break; + case 3 : + PR_ADD_TO_COUNTER( hCounter, 1 ); + break; + case 4 : + PR_SUBTRACT_FROM_COUNTER( hCounter, 1 ); + break; + default : + PR_ASSERT( 0 ); + break; + } + PR_TRACE( hTrace, CountLoop, switchVar, i, 0, 0, 0, 0, 0 ); + } /* end for() */ + + PR_LOG( lm, msgLevel, + ("CounterSomething: end thread %ld", switchVar )); + + PR_EnterMonitor(mon); + --activeThreads; + PR_Notify( mon ); + PR_ExitMonitor(mon); + + return; +} /* end CountSomething() */ + +/* +** Create the counter threads. +*/ +static void CounterTest( void ) +{ + PRThread *t1, *t2, *t3, *t4; + PRIntn i = 0; + PR_DEFINE_COUNTER( tc ); + PR_DEFINE_COUNTER( zCounter ); + + PR_LOG( lm, msgLevel, + ("Begin CounterTest")); + + /* + ** Test Get and Set of a counter. + ** + */ + PR_CREATE_COUNTER( zCounter, "Atomic", "get/set test", "test get and set of counter" ); + PR_SET_COUNTER( zCounter, 9 ); + PR_GET_COUNTER( i, zCounter ); + if ( i != 9 ) + { + failed = PR_TRUE; + PR_LOG( lm, msgLevel, + ("Counter set/get failed")); + } + + activeThreads += 4; + PR_CREATE_COUNTER( hCounter, "Atomic", "SMP Tests", "test atomic nature of counter" ); + + PR_GET_COUNTER_HANDLE_FROM_NAME( tc, "Atomic", "SMP Tests" ); + PR_ASSERT( tc == hCounter ); + + t1 = PR_CreateThread(PR_USER_THREAD, + CountSomething, &one, + PR_PRIORITY_NORMAL, + PR_GLOBAL_THREAD, + PR_UNJOINABLE_THREAD, + 0); + PR_ASSERT(t1); + + t2 = PR_CreateThread(PR_USER_THREAD, + CountSomething, &two, + PR_PRIORITY_NORMAL, + PR_GLOBAL_THREAD, + PR_UNJOINABLE_THREAD, + 0); + PR_ASSERT(t2); + + t3 = PR_CreateThread(PR_USER_THREAD, + CountSomething, &three, + PR_PRIORITY_NORMAL, + PR_GLOBAL_THREAD, + PR_UNJOINABLE_THREAD, + 0); + PR_ASSERT(t3); + + t4 = PR_CreateThread(PR_USER_THREAD, + CountSomething, &four, + PR_PRIORITY_NORMAL, + PR_GLOBAL_THREAD, + PR_UNJOINABLE_THREAD, + 0); + PR_ASSERT(t4); + + PR_LOG( lm, msgLevel, + ("Counter Threads started")); + + ListCounters(); + return; +} /* end CounterTest() */ + +/* +** Thread to dump trace buffer to a file. +*/ +static void PR_CALLBACK RecordTrace(void *arg ) +{ + PR_RECORD_TRACE_ENTRIES(); + + PR_EnterMonitor(mon); + --activeThreads; + PR_Notify( mon ); + PR_ExitMonitor(mon); + + return; +} /* end RecordTrace() */ + + + +#define NUM_TRACE_RECORDS ( 10000 ) +/* +** Thread to extract and print trace entries from the buffer. +*/ +static void PR_CALLBACK SampleTrace( void *arg ) +{ +#if defined(DEBUG) || defined(FORCE_NSPR_TRACE) + PRInt32 found, rc; + PRTraceEntry *foundEntries; + PRInt32 i; + + foundEntries = (PRTraceEntry *)PR_Malloc( NUM_TRACE_RECORDS * sizeof(PRTraceEntry)); + PR_ASSERT(foundEntries != NULL ); + + do + { + rc = PR_GetTraceEntries( foundEntries, NUM_TRACE_RECORDS, &found); + PR_LOG( lm, msgLevel, + ("SampleTrace: Lost Data: %ld found: %ld", rc, found )); + + if ( found != 0) + { + for ( i = 0 ; i < found; i++ ) + { + PR_LOG( lm, msgLevel, + ("SampleTrace, detail: Thread: %p, Time: %llX, UD0: %ld, UD1: %ld, UD2: %8.8ld", + (foundEntries +i)->thread, + (foundEntries +i)->time, + (foundEntries +i)->userData[0], + (foundEntries +i)->userData[1], + (foundEntries +i)->userData[2] )); + } + } + PR_Sleep(PR_MillisecondsToInterval(50)); + } + while( found != 0 && activeThreads >= 1 ); + + PR_Free( foundEntries ); + + PR_EnterMonitor(mon); + --activeThreads; + PR_Notify( mon ); + PR_ExitMonitor(mon); + + PR_LOG( lm, msgLevel, + ("SampleTrace(): exiting")); + +#endif + return; +} /* end RecordTrace() */ + +/* +** Basic trace test. +*/ +static void TraceTest( void ) +{ + PRInt32 i; + PRInt32 size; + PR_DEFINE_TRACE( th ); + PRThread *t1, *t2; + + PR_LOG( lm, msgLevel, + ("Begin TraceTest")); + + size = SMALL_TRACE_BUFSIZE; + PR_SET_TRACE_OPTION( PRTraceBufSize, &size ); + PR_GET_TRACE_OPTION( PRTraceBufSize, &i ); + + PR_CREATE_TRACE( th, "TraceTest", "tt2", "A description for the trace test" ); + PR_CREATE_TRACE( th, "TraceTest", "tt3", "A description for the trace test" ); + PR_CREATE_TRACE( th, "TraceTest", "tt4", "A description for the trace test" ); + PR_CREATE_TRACE( th, "TraceTest", "tt5", "A description for the trace test" ); + PR_CREATE_TRACE( th, "TraceTest", "tt6", "A description for the trace test" ); + PR_CREATE_TRACE( th, "TraceTest", "tt7", "A description for the trace test" ); + PR_CREATE_TRACE( th, "TraceTest", "tt8", "A description for the trace test" ); + + PR_CREATE_TRACE( th, "Trace Test", "tt0", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt1", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt2", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt3", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt4", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt5", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt6", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt7", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt8", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt9", "QName is Trace Test, not TraceTest" ); + PR_CREATE_TRACE( th, "Trace Test", "tt10", "QName is Trace Test, not TraceTest" ); + + + + activeThreads += 2; + t1 = PR_CreateThread(PR_USER_THREAD, + RecordTrace, NULL, + PR_PRIORITY_NORMAL, + PR_GLOBAL_THREAD, + PR_UNJOINABLE_THREAD, + 0); + PR_ASSERT(t1); + + t2 = PR_CreateThread(PR_USER_THREAD, + SampleTrace, 0, + PR_PRIORITY_NORMAL, + PR_GLOBAL_THREAD, + PR_UNJOINABLE_THREAD, + 0); + PR_ASSERT(t2); + + ListTraces(); + + PR_GET_TRACE_HANDLE_FROM_NAME( th, "TraceTest","tt1" ); + PR_ASSERT( th == hTrace ); + + PR_LOG( lm, msgLevel, + ("End TraceTest")); + return; +} /* end TraceTest() */ + + +/* +** Ordered lock test. +*/ +static void OrderedLockTest( void ) +{ + PR_LOG( lm, msgLevel, + ("Begin OrderedLockTest")); + + +} /* end OrderedLockTest() */ + + +int main(int argc, char **argv) +{ +#if defined(DEBUG) || defined(FORCE_NSPR_TRACE) + PRUint32 counter; + PLOptStatus os; + PLOptState *opt = PL_CreateOptState(argc, argv, "hdv:"); + lm = PR_NewLogModule("Test"); + + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) + { + if (PL_OPT_BAD == os) continue; + switch (opt->option) + { + case 'v': /* verbose mode */ + msgLevel = (PRLogModuleLevel)atol( opt->value); + break; + case 'h': /* help message */ + Help(); + help = PR_TRUE; + break; + default: + break; + } + } + PL_DestroyOptState(opt); + + PR_CREATE_TRACE( hTrace, "TraceTest", "tt1", "A description for the trace test" ); + mon = PR_NewMonitor(); + PR_EnterMonitor( mon ); + + TraceTest(); + CounterTest(); + OrderedLockTest(); + + /* Wait for all threads to exit */ + while ( activeThreads > 0 ) { + if ( activeThreads == 1 ) + PR_SET_TRACE_OPTION( PRTraceStopRecording, NULL ); + PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT); + PR_GET_COUNTER( counter, hCounter ); + } + PR_ExitMonitor( mon ); + + /* + ** Evaluate results + */ + PR_GET_COUNTER( counter, hCounter ); + if ( counter != 0 ) + { + failed = PR_TRUE; + PR_LOG( lm, msgLevel, + ("Expected counter == 0, found: %ld", counter)); + printf("FAIL\n"); + } + else + { + printf("PASS\n"); + } + + + PR_DESTROY_COUNTER( hCounter ); + + PR_DestroyMonitor( mon ); + + PR_TRACE( hTrace, TraceFlow, 0xfff,0,0,0,0,0,0); + PR_DESTROY_TRACE( hTrace ); +#else + printf("Test not defined\n"); +#endif + return 0; +} /* main() */ +/* end instrumt.c */ + |