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Remove utilization query mallctl

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This commit is contained in:
Slobodan Predolac 2026-05-28 10:54:42 -07:00
parent 39d4b20890
commit 44bb61e19e
4 changed files with 3 additions and 306 deletions
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142
test/unit/inspect.c
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@ -11,8 +11,6 @@
"Output content touched when given invalid arguments"); \
} while (0)
#define TEST_UTIL_QUERY_EINVAL(a, b, c, d, why_inval) \
TEST_UTIL_EINVAL("query", a, b, c, d, why_inval)
#define TEST_UTIL_BATCH_EINVAL(a, b, c, d, why_inval) \
TEST_UTIL_EINVAL("batch_query", a, b, c, d, why_inval)
@ -30,139 +28,6 @@
#define TEST_MAX_SIZE (1 << 20)
TEST_BEGIN(test_query) {
size_t sz;
/*
* Select some sizes that can span both small and large sizes, and are
* numerically unrelated to any size boundaries.
*/
for (sz = 7; sz <= TEST_MAX_SIZE && sz <= SC_LARGE_MAXCLASS;
sz += (sz <= SC_SMALL_MAXCLASS ? 1009 : 99989)) {
void *p = mallocx(sz, 0);
void **in = &p;
size_t in_sz = sizeof(const void *);
size_t out_sz = sizeof(void *) + sizeof(size_t) * 5;
void *out = mallocx(out_sz, 0);
void *out_ref = mallocx(out_sz, 0);
size_t out_sz_ref = out_sz;
assert_ptr_not_null(p, "test pointer allocation failed");
assert_ptr_not_null(out, "test output allocation failed");
assert_ptr_not_null(
out_ref, "test reference output allocation failed");
#define SLABCUR_READ(out) (*(void **)out)
#define COUNTS(out) ((size_t *)((void **)out + 1))
#define NFREE_READ(out) COUNTS(out)[0]
#define NREGS_READ(out) COUNTS(out)[1]
#define SIZE_READ(out) COUNTS(out)[2]
#define BIN_NFREE_READ(out) COUNTS(out)[3]
#define BIN_NREGS_READ(out) COUNTS(out)[4]
SLABCUR_READ(out) = NULL;
NFREE_READ(out) = NREGS_READ(out) = SIZE_READ(out) = -1;
BIN_NFREE_READ(out) = BIN_NREGS_READ(out) = -1;
memcpy(out_ref, out, out_sz);
/* Test invalid argument(s) errors */
TEST_UTIL_QUERY_EINVAL(NULL, &out_sz, in, in_sz, "old is NULL");
TEST_UTIL_QUERY_EINVAL(out, NULL, in, in_sz, "oldlenp is NULL");
TEST_UTIL_QUERY_EINVAL(
out, &out_sz, NULL, in_sz, "newp is NULL");
TEST_UTIL_QUERY_EINVAL(out, &out_sz, in, 0, "newlen is zero");
in_sz -= 1;
TEST_UTIL_QUERY_EINVAL(
out, &out_sz, in, in_sz, "invalid newlen");
in_sz += 1;
out_sz_ref = out_sz -= 2 * sizeof(size_t);
TEST_UTIL_QUERY_EINVAL(
out, &out_sz, in, in_sz, "invalid *oldlenp");
out_sz_ref = out_sz += 2 * sizeof(size_t);
/* Examine output for valid call */
TEST_UTIL_VALID("query");
expect_zu_le(sz, SIZE_READ(out),
"Extent size should be at least allocation size");
expect_zu_eq(SIZE_READ(out) & (PAGE - 1), 0,
"Extent size should be a multiple of page size");
/*
* We don't do much bin checking if prof is on, since profiling
* can produce extents that are for small size classes but not
* slabs, which interferes with things like region counts.
*/
if (!opt_prof && sz <= SC_SMALL_MAXCLASS) {
expect_zu_le(NFREE_READ(out), NREGS_READ(out),
"Extent free count exceeded region count");
expect_zu_le(NREGS_READ(out), SIZE_READ(out),
"Extent region count exceeded size");
expect_zu_ne(NREGS_READ(out), 0,
"Extent region count must be positive");
expect_true(NFREE_READ(out) == 0
|| (SLABCUR_READ(out) != NULL
&& SLABCUR_READ(out) <= p),
"Allocation should follow first fit principle");
if (config_stats) {
expect_zu_le(BIN_NFREE_READ(out),
BIN_NREGS_READ(out),
"Bin free count exceeded region count");
expect_zu_ne(BIN_NREGS_READ(out), 0,
"Bin region count must be positive");
expect_zu_le(NFREE_READ(out),
BIN_NFREE_READ(out),
"Extent free count exceeded bin free count");
expect_zu_le(NREGS_READ(out),
BIN_NREGS_READ(out),
"Extent region count exceeded "
"bin region count");
expect_zu_eq(
BIN_NREGS_READ(out) % NREGS_READ(out), 0,
"Bin region count isn't a multiple of "
"extent region count");
expect_zu_le(
BIN_NFREE_READ(out) - NFREE_READ(out),
BIN_NREGS_READ(out) - NREGS_READ(out),
"Free count in other extents in the bin "
"exceeded region count in other extents "
"in the bin");
expect_zu_le(NREGS_READ(out) - NFREE_READ(out),
BIN_NREGS_READ(out) - BIN_NFREE_READ(out),
"Extent utilized count exceeded "
"bin utilized count");
}
} else if (sz > SC_SMALL_MAXCLASS) {
expect_zu_eq(NFREE_READ(out), 0,
"Extent free count should be zero");
expect_zu_eq(NREGS_READ(out), 1,
"Extent region count should be one");
expect_ptr_null(SLABCUR_READ(out),
"Current slab must be null for large size classes");
if (config_stats) {
expect_zu_eq(BIN_NFREE_READ(out), 0,
"Bin free count must be zero for "
"large sizes");
expect_zu_eq(BIN_NREGS_READ(out), 0,
"Bin region count must be zero for "
"large sizes");
}
}
#undef BIN_NREGS_READ
#undef BIN_NFREE_READ
#undef SIZE_READ
#undef NREGS_READ
#undef NFREE_READ
#undef COUNTS
#undef SLABCUR_READ
free(out_ref);
free(out);
free(p);
}
}
TEST_END
TEST_BEGIN(test_batch) {
size_t sz;
/*
@ -217,10 +82,7 @@ TEST_BEGIN(test_batch) {
"Extent size should be at least allocation size");
expect_zu_eq(SIZE_READ(out, 0) & (PAGE - 1), 0,
"Extent size should be a multiple of page size");
/*
* See the corresponding comment in test_query; profiling breaks
* our slab count expectations.
*/
/* Profiling breaks our slab count expectations. */
if (sz <= SC_SMALL_MAXCLASS && !opt_prof) {
expect_zu_le(NFREE_READ(out, 0), NREGS_READ(out, 0),
"Extent free count exceeded region count");
@ -270,5 +132,5 @@ int
main(void) {
assert_zu_lt(SC_SMALL_MAXCLASS + 100000, TEST_MAX_SIZE,
"Test case cannot cover large classes");
return test(test_query, test_batch);
return test(test_batch);
}