1
Fork 0
mirror of git://git.sv.gnu.org/emacs.git synced 2026-01-08 04:30:45 -08:00
emacs/mps/test/function/217.c
Nick Barnes 7acfca905d Branch imports for masters.
Copied from Perforce
 Change: 23678
 ServerID: perforce.ravenbrook.com
2001-10-31 14:40:56 +00:00

95 lines
2 KiB
C

/*
TEST_HEADER
id = $HopeName$
summary = MVFF allocate from SW log (af_six)
language = c
link = testlib.o
stdin = af_six
parameters = EXTENDBY=65536 AVGSIZE=128 ALIGN=8 ARENAHIGH=1 SLOTHIGH=1 FIRST=1
OUTPUT_SPEC
result = pass
END_HEADER
*/
#include "testlib.h"
#include "mpscmvff.h"
#include "mpsavm.h"
#define MAXOBJS (30000)
mps_addr_t objs[MAXOBJS];
size_t sizes[MAXOBJS];
size_t total_size;
size_t committed;
int fragmentation;
int lastfrag=0;
void *stackpointer;
mps_arena_t arena;
static void test(void)
{
mps_thr_t thread;
mps_pool_t pool;
log_event event;
int id;
char *c;
size_t size;
unsigned long maxcom;
maxcom = 0;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t) (1024*1024*100)),
"create space");
cdie(mps_thread_reg(&thread, arena), "register thread");
cdie(
mps_pool_create(&pool, arena, mps_class_mvff(),
EXTENDBY, AVGSIZE, ALIGN, ARENAHIGH, SLOTHIGH, FIRST),
"create MVFF pool");
committed = mps_arena_committed(arena);
while (read_event(&event)) {
if (event.type == EVENT_ALLOC) {
id = event.alloc.id;
asserts(id < MAXOBJS, "MAXOBJS too small");
size = event.alloc.size;
sizes[id] = size;
size = ((size+7)/8)*8;
die(mps_alloc(&objs[id], pool, size), "alloc");
if (mps_arena_committed(arena) > committed) {
fragmentation = (100*(committed-total_size)/committed);
if (fragmentation != lastfrag) {
lastfrag = fragmentation;
report("fragmentation", "%d", fragmentation);
}
}
total_size+=sizes[id];
c = objs[id];
*c = 43;
} else if (event.type == EVENT_FREE) {
id = event.free.id;
mps_free(pool, objs[id], sizes[id]);
total_size-=sizes[id];
}
committed = mps_arena_committed(arena);
if (committed > maxcom) maxcom=committed;
}
report("maxcom", "%ld", maxcom);
mps_pool_destroy(pool);
mps_thread_dereg(thread);
mps_arena_destroy(arena);
}
int main(void)
{
void *m;
stackpointer=&m; /* hack to get stack pointer */
easy_tramp(test);
pass();
return 0;
}