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Remove malloced and maxmalloced memory counter

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The malloced and maxmalloced memory counters were mostly useless since
we removed the internal allocator blocks - it would only differ from
inuse by the memory context size itself.
This commit is contained in:
Ondřej Surý
2023-01-19 11:41:34 +01:00
parent 7d8aa63026
commit 971df0b4ed
4 changed files with 5 additions and 103 deletions
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77
lib/isc/mem.c
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@@ -144,8 +144,6 @@ struct isc_mem {
atomic_size_t total;
atomic_size_t inuse;
atomic_size_t maxinuse;
atomic_size_t malloced;
atomic_size_t maxmalloced;
atomic_bool hi_called;
atomic_bool is_overmem;
isc_mem_water_t water;
@@ -211,22 +209,6 @@ static void
print_active(isc_mem_t *ctx, FILE *out);
#endif /* ISC_MEM_TRACKLINES */
static void
increment_malloced(isc_mem_t *ctx, size_t size) {
size_t malloced = atomic_fetch_add_relaxed(&ctx->malloced, size) + size;
size_t maxmalloced = atomic_load_relaxed(&ctx->maxmalloced);
if (malloced > maxmalloced) {
atomic_compare_exchange_strong(&ctx->maxmalloced, &maxmalloced,
malloced);
}
}
static void
decrement_malloced(isc_mem_t *ctx, size_t size) {
(void)atomic_fetch_sub_relaxed(&ctx->malloced, size);
}
#if ISC_MEM_TRACKLINES
/*!
* mctx must not be locked.
@@ -261,7 +243,6 @@ add_trace_entry(isc_mem_t *mctx, const void *ptr, size_t size FLARG) {
dl = mallocx(sizeof(debuglink_t), 0);
INSIST(dl != NULL);
increment_malloced(mctx, sizeof(debuglink_t));
ISC_LINK_INIT(dl, link);
dl->ptr = ptr;
@@ -308,7 +289,6 @@ delete_trace_entry(isc_mem_t *mctx, const void *ptr, size_t size,
while (dl != NULL) {
if (dl->ptr == ptr) {
ISC_LIST_UNLINK(mctx->debuglist[idx], dl, link);
decrement_malloced(mctx, sizeof(*dl));
sdallocx(dl, sizeof(*dl), 0);
goto unlock;
}
@@ -404,8 +384,6 @@ mem_getstats(isc_mem_t *ctx, size_t size) {
atomic_fetch_add_relaxed(&stats->gets, 1);
atomic_fetch_add_relaxed(&stats->totalgets, 1);
increment_malloced(ctx, size);
}
/*!
@@ -423,8 +401,6 @@ mem_putstats(isc_mem_t *ctx, void *ptr, size_t size) {
g = atomic_fetch_sub_release(&stats->gets, 1);
INSIST(g >= 1);
decrement_malloced(ctx, size);
}
/*
@@ -487,8 +463,6 @@ mem_create(isc_mem_t **ctxp, unsigned int debugging, unsigned int flags) {
atomic_init(&ctx->total, 0);
atomic_init(&ctx->inuse, 0);
atomic_init(&ctx->maxinuse, 0);
atomic_init(&ctx->malloced, sizeof(*ctx));
atomic_init(&ctx->maxmalloced, sizeof(*ctx));
atomic_init(&ctx->hi_water, 0);
atomic_init(&ctx->lo_water, 0);
atomic_init(&ctx->hi_called, false);
@@ -511,8 +485,6 @@ mem_create(isc_mem_t **ctxp, unsigned int debugging, unsigned int flags) {
for (i = 0; i < DEBUG_TABLE_COUNT; i++) {
ISC_LIST_INIT(ctx->debuglist[i]);
}
increment_malloced(ctx,
DEBUG_TABLE_COUNT * sizeof(debuglist_t));
}
#endif /* if ISC_MEM_TRACKLINES */
@@ -554,14 +526,11 @@ destroy(isc_mem_t *ctx) {
ISC_LIST_UNLINK(ctx->debuglist[i], dl, link);
sdallocx(dl, sizeof(*dl), 0);
decrement_malloced(ctx, sizeof(*dl));
}
}
sdallocx(ctx->debuglist,
(DEBUG_TABLE_COUNT * sizeof(debuglist_t)), 0);
decrement_malloced(ctx,
DEBUG_TABLE_COUNT * sizeof(debuglist_t));
}
#endif /* if ISC_MEM_TRACKLINES */
@@ -586,7 +555,7 @@ destroy(isc_mem_t *ctx) {
isc_mutex_destroy(&ctx->lock);
if (ctx->checkfree) {
INSIST(atomic_load(&ctx->malloced) == 0);
INSIST(atomic_load(&ctx->inuse) == 0);
}
sdallocx(ctx, sizeof(*ctx), ISC_MEM_ALIGN(isc_os_cacheline()));
}
@@ -1073,20 +1042,6 @@ isc_mem_total(isc_mem_t *ctx) {
return (atomic_load_acquire(&ctx->total));
}
size_t
isc_mem_malloced(isc_mem_t *ctx) {
REQUIRE(VALID_CONTEXT(ctx));
return (atomic_load_acquire(&ctx->malloced));
}
size_t
isc_mem_maxmalloced(isc_mem_t *ctx) {
REQUIRE(VALID_CONTEXT(ctx));
return (atomic_load_acquire(&ctx->maxmalloced));
}
void
isc_mem_clearwater(isc_mem_t *mctx) {
isc_mem_setwater(mctx, NULL, NULL, 0, 0);
@@ -1459,7 +1414,6 @@ isc_mem_references(isc_mem_t *ctx) {
typedef struct summarystat {
uint64_t total;
uint64_t inuse;
uint64_t malloced;
uint64_t contextsize;
} summarystat_t;
@@ -1521,17 +1475,6 @@ xml_renderctx(isc_mem_t *ctx, summarystat_t *summary, xmlTextWriterPtr writer) {
(uint64_t)isc_mem_maxinuse(ctx)));
TRY0(xmlTextWriterEndElement(writer)); /* maxinuse */
summary->malloced += isc_mem_malloced(ctx);
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "malloced"));
TRY0(xmlTextWriterWriteFormatString(writer, "%" PRIu64 "",
(uint64_t)isc_mem_malloced(ctx)));
TRY0(xmlTextWriterEndElement(writer)); /* malloced */
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "maxmalloced"));
TRY0(xmlTextWriterWriteFormatString(
writer, "%" PRIu64 "", (uint64_t)isc_mem_maxmalloced(ctx)));
TRY0(xmlTextWriterEndElement(writer)); /* maxmalloced */
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "pools"));
TRY0(xmlTextWriterWriteFormatString(writer, "%u", ctx->poolcnt));
TRY0(xmlTextWriterEndElement(writer)); /* pools */
@@ -1594,11 +1537,6 @@ isc_mem_renderxml(void *writer0) {
summary.inuse));
TRY0(xmlTextWriterEndElement(writer)); /* InUse */
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "Malloced"));
TRY0(xmlTextWriterWriteFormatString(writer, "%" PRIu64 "",
summary.malloced));
TRY0(xmlTextWriterEndElement(writer)); /* InUse */
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "ContextSize"));
TRY0(xmlTextWriterWriteFormatString(writer, "%" PRIu64 "",
summary.contextsize));
@@ -1632,7 +1570,6 @@ json_renderctx(isc_mem_t *ctx, summarystat_t *summary, json_object *array) {
summary->contextsize += sizeof(*ctx);
summary->total += isc_mem_total(ctx);
summary->inuse += isc_mem_inuse(ctx);
summary->malloced += isc_mem_malloced(ctx);
#if ISC_MEM_TRACKLINES
if (ctx->debuglist != NULL) {
summary->contextsize += DEBUG_TABLE_COUNT *
@@ -1671,14 +1608,6 @@ json_renderctx(isc_mem_t *ctx, summarystat_t *summary, json_object *array) {
CHECKMEM(obj);
json_object_object_add(ctxobj, "maxinuse", obj);
obj = json_object_new_int64(isc_mem_malloced(ctx));
CHECKMEM(obj);
json_object_object_add(ctxobj, "malloced", obj);
obj = json_object_new_int64(isc_mem_maxmalloced(ctx));
CHECKMEM(obj);
json_object_object_add(ctxobj, "maxmalloced", obj);
obj = json_object_new_int64(ctx->poolcnt);
CHECKMEM(obj);
json_object_object_add(ctxobj, "pools", obj);
@@ -1731,10 +1660,6 @@ isc_mem_renderjson(void *memobj0) {
CHECKMEM(obj);
json_object_object_add(memobj, "InUse", obj);
obj = json_object_new_int64(summary.malloced);
CHECKMEM(obj);
json_object_object_add(memobj, "Malloced", obj);
obj = json_object_new_int64(summary.contextsize);
CHECKMEM(obj);
json_object_object_add(memobj, "ContextSize", obj);