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Diffstat (limited to 'nsprpub/lib/tests/arena.c')
| -rw-r--r-- | nsprpub/lib/tests/arena.c | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/nsprpub/lib/tests/arena.c b/nsprpub/lib/tests/arena.c new file mode 100644 index 000000000..e82e4f8b5 --- /dev/null +++ b/nsprpub/lib/tests/arena.c @@ -0,0 +1,369 @@ +/* -*- 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: arena.c +** Description: Testing arenas +** +*/ + +#include <string.h> +#include <time.h> +#include <stdlib.h> +#include "nspr.h" +#include "plarena.h" +#include "plgetopt.h" + +PRLogModuleInfo *tLM; +PRIntn threadCount = 0; +PRMonitor *tMon; +PRBool failed_already = PR_FALSE; + +/* Arguments from the command line with default values */ +PRIntn debug_mode = 0; +PRIntn poolMin = 4096; +PRIntn poolMax = (100 * 4096); +PRIntn arenaMin = 40; +PRIntn arenaMax = (100 * 40); +PRIntn stressIterations = 15; +PRIntn maxAlloc = (1024 * 1024); +PRIntn stressThreads = 4; + +void DumpAll( void ) +{ + return; +} + +/* +** Test Arena allocation. +*/ +static void ArenaAllocate( void ) +{ + PLArenaPool ap; + void *ptr; + PRInt32 i; + + PL_InitArenaPool( &ap, "AllocArena", 2048, sizeof(double)); + PR_LOG( tLM, PR_LOG_DEBUG, ("AA, InitPool -- Pool: %p. first: %p, current: %p, size: %d", + &ap, ap.first, ap.current, ap.arenasize )); + + for( i = 0; i < 150; i++ ) + { + PL_ARENA_ALLOCATE( ptr, &ap, 512 ); + PR_LOG( tLM, PR_LOG_DEBUG,("AA, after alloc -- Pool: %p. first: %p, current: %p, size: %d", + &ap, ap.first, ap.current, ap.arenasize )); + PR_LOG( tLM, PR_LOG_DEBUG,( + "AA -- Pool: %p. alloc: %p ", &ap, ptr )); + } + + PL_FreeArenaPool( &ap ); + + for( i = 0; i < 221; i++ ) + { + PL_ARENA_ALLOCATE( ptr, &ap, 512 ); + PR_LOG( tLM, PR_LOG_DEBUG,("AA, after alloc -- Pool: %p. first: %p, current: %p, size: %d", + &ap, ap.first, ap.current, ap.arenasize )); + PR_LOG( tLM, PR_LOG_DEBUG,( + "AA -- Pool: %p. alloc: %p ", &ap, ptr )); + } + + PL_FreeArenaPool( &ap ); + + return; +} /* end ArenaGrow() */ +/* +** Test Arena grow. +*/ +static void ArenaGrow( void ) +{ + PLArenaPool ap; + void *ptr; + PRInt32 i; + + PL_InitArenaPool( &ap, "TheArena", 4096, sizeof(double)); + PL_ARENA_ALLOCATE( ptr, &ap, 512 ); + + PR_LOG( tLM, PR_LOG_DEBUG, ("Before growth -- Pool: %p. alloc: %p ", &ap, ptr )); + + for( i = 0; i < 10; i++ ) + { + PL_ARENA_GROW( ptr, &ap, 512, 7000 ); + PR_LOG( tLM, PR_LOG_DEBUG, ("After growth -- Pool: %p. alloc: %p ", &ap, ptr )); + } + + + return; +} /* end ArenaGrow() */ + + +/* +** Test arena Mark and Release. +*/ +static void MarkAndRelease( void ) +{ + PLArenaPool ap; + void *ptr = NULL; + void *mark0, *mark1; + PRIntn i; + + PL_InitArenaPool( &ap, "TheArena", 4096, sizeof(double)); + mark0 = PL_ARENA_MARK( &ap ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("mark0. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p, m0: %p", + &ap, ap.first.next, ap.current, ap.arenasize, ptr, mark0 )); + + for( i = 0; i < 201; i++ ) + { + PL_ARENA_ALLOCATE( ptr, &ap, 512 ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("mr. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p", + &ap, ap.first.next, ap.current, ap.arenasize, ptr )); + } + + mark1 = PL_ARENA_MARK( &ap ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("mark1. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p, m1: %p", + &ap, ap.first.next, ap.current, ap.arenasize, ptr, mark1 )); + + + for( i = 0; i < 225; i++ ) + { + PL_ARENA_ALLOCATE( ptr, &ap, 512 ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("mr. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p", + &ap, ap.first.next, ap.current, ap.arenasize, ptr )); + } + + PL_ARENA_RELEASE( &ap, mark1 ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("Release-1: %p -- Pool: %p. first: %p, current: %p, size: %d", + mark1, &ap, ap.first, ap.current, ap.arenasize )); + + for( i = 0; i < 20; i++ ) + { + PL_ARENA_ALLOCATE( ptr, &ap, 512 ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("mr. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p", + &ap, ap.first.next, ap.current, ap.arenasize, ptr )); + } + + PL_ARENA_RELEASE( &ap, mark1 ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("Release-1. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p", + &ap, ap.first.next, ap.current, ap.arenasize, ptr )); + + PL_ARENA_RELEASE( &ap, mark0 ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("Release-0. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p", + &ap, ap.first.next, ap.current, ap.arenasize, ptr )); + + PL_FreeArenaPool( &ap ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("Free. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p", + &ap, ap.first.next, ap.current, ap.arenasize, ptr )); + + PL_FinishArenaPool( &ap ); + PR_LOG( tLM, PR_LOG_DEBUG, + ("Finish. ap: %p, ap.f: %p, ap.c: %p, ap.siz: %d, alloc: %p", + &ap, ap.first.next, ap.current, ap.arenasize, ptr )); + + return; +} /* end MarkAndRelease() */ + +/* +** RandSize() returns a random number in the range +** min..max, rounded to the next doubleword +** +*/ +static PRIntn RandSize( PRIntn min, PRIntn max ) +{ + PRIntn sz = (rand() % (max -min)) + min + sizeof(double); + + sz &= ~sizeof(double)-1; + + return(sz); +} + + +/* +** StressThread() +** A bunch of these beat on individual arenas +** This tests the free_list protection. +** +*/ +static void PR_CALLBACK StressThread( void *arg ) +{ + PLArenaPool ap; + PRIntn i; + PRIntn sz; + void *ptr; + PRThread *tp = PR_GetCurrentThread(); + + PR_LOG( tLM, PR_LOG_DEBUG, ("Stress Thread %p started\n", PR_GetCurrentThread())); + PL_InitArenaPool( &ap, "TheArena", RandSize( poolMin, poolMax), sizeof(double)); + + for ( i = 0; i < stressIterations; i++ ) + { + PRIntn allocated = 0; + + while ( allocated < maxAlloc ) + { + sz = RandSize( arenaMin, arenaMax ); + PL_ARENA_ALLOCATE( ptr, &ap, sz ); + if ( ptr == NULL ) + { + PR_LOG( tLM, PR_LOG_ERROR, ("ARENA_ALLOCATE() returned NULL\n\tAllocated: %d\n", allocated)); + break; + } + allocated += sz; + } + PR_LOG( tLM, PR_LOG_DEBUG, ("Stress thread %p finished one iteration\n", tp)); + PL_FreeArenaPool( &ap ); + } + PR_LOG( tLM, PR_LOG_DEBUG, ("Stress thread %p finished all iteration\n", tp)); + PL_FinishArenaPool( &ap ); + PR_LOG( tLM, PR_LOG_DEBUG, ("Stress thread %p after FinishArenaPool()\n", tp)); + + /* That's all folks! let's quit */ + PR_EnterMonitor(tMon); + threadCount--; + PR_Notify(tMon); + PR_ExitMonitor(tMon); + return; +} + +/* +** Stress() +** Flog the hell out of arenas multi-threaded. +** Do NOT pass an individual arena to another thread. +** +*/ +static void Stress( void ) +{ + PRThread *tt; + PRIntn i; + + tMon = PR_NewMonitor(); + + for ( i = 0 ; i < stressThreads ; i++ ) + { + PR_EnterMonitor(tMon); + tt = PR_CreateThread(PR_USER_THREAD, + StressThread, + NULL, + PR_PRIORITY_NORMAL, + PR_GLOBAL_THREAD, + PR_UNJOINABLE_THREAD, + 0); + threadCount++; + PR_ExitMonitor(tMon); + } + + /* Wait for all threads to exit */ + PR_EnterMonitor(tMon); + while ( threadCount != 0 ) + { + PR_Wait(tMon, PR_INTERVAL_NO_TIMEOUT); + } + PR_ExitMonitor(tMon); + PR_DestroyMonitor(tMon); + + return; +} /* end Stress() */ + +/* +** EvaluateResults() +** uses failed_already to display results and set program +** exit code. +*/ +static PRIntn EvaluateResults(void) +{ + PRIntn rc = 0; + + if ( failed_already == PR_TRUE ) + { + PR_LOG( tLM, PR_LOG_DEBUG, ("FAIL\n")); + rc =1; + } + else + { + PR_LOG( tLM, PR_LOG_DEBUG, ("PASS\n")); + } + return(rc); +} /* EvaluateResults() */ + +void Help( void ) +{ + printf("arena [options]\n"); + printf("where options are:\n"); + printf("-p <n> minimum size of an arena pool. Default(%d)\n", poolMin); + printf("-P <n> maximum size of an arena pool. Default(%d)\n", poolMax); + printf("-a <n> minimum size of an arena allocation. Default(%d)\n", arenaMin); + printf("-A <n> maximum size of an arena allocation. Default(%d)\n", arenaMax); + printf("-i <n> number of iterations in a stress thread. Default(%d)\n", stressIterations); + printf("-s <n> maximum allocation for a single stress thread. Default(%d)\n", maxAlloc); + printf("-t <n> number of stress threads. Default(%d)\n", stressThreads ); + printf("-d enable debug mode\n"); + printf("\n"); + exit(1); +} + +PRIntn main(PRIntn argc, char *argv[]) +{ + PLOptStatus os; + PLOptState *opt = PL_CreateOptState(argc, argv, "dhp:P:a:A:i:s:t:"); + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) + { + if (PL_OPT_BAD == os) continue; + switch (opt->option) + { + case 'a': /* arena Min size */ + arenaMin = atol( opt->value ); + break; + case 'A': /* arena Max size */ + arenaMax = atol( opt->value ); + break; + case 'p': /* pool Min size */ + poolMin = atol( opt->value ); + break; + case 'P': /* pool Max size */ + poolMax = atol( opt->value ); + break; + case 'i': /* Iterations in stress tests */ + stressIterations = atol( opt->value ); + break; + case 's': /* storage to get per iteration */ + maxAlloc = atol( opt->value ); + break; + case 't': /* Number of stress threads to create */ + stressThreads = atol( opt->value ); + break; + case 'd': /* debug mode */ + debug_mode = 1; + break; + case 'h': /* help */ + default: + Help(); + } /* end switch() */ + } /* end while() */ + PL_DestroyOptState(opt); + + srand( (unsigned)time( NULL ) ); /* seed random number generator */ + tLM = PR_NewLogModule("testcase"); + + +#if 0 + ArenaAllocate(); + ArenaGrow(); +#endif + + MarkAndRelease(); + + Stress(); + + return(EvaluateResults()); +} /* end main() */ + +/* arena.c */ |