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Hide size class computation behind a layer of indirection.

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This class removes almost all the dependencies on size_classes.h, accessing the
data there only via the new module sc.h, which does not depend on any
configuration options.

In a subsequent commit, we'll remove the configure-time size class computations,
doing them at boot time, instead.
This commit is contained in:
David Goldblatt
2017-12-14 12:46:39 -08:00
committed by David Goldblatt
parent fb924dd7bf
commit e904f813b4
46 changed files with 886 additions and 459 deletions
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11
test/unit/stats.c
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@@ -33,7 +33,7 @@ TEST_BEGIN(test_stats_large) {
size_t sz;
int expected = config_stats ? 0 : ENOENT;
p = mallocx(SMALL_MAXCLASS+1, MALLOCX_ARENA(0));
p = mallocx(sc_data_global.small_maxclass + 1, MALLOCX_ARENA(0));
assert_ptr_not_null(p, "Unexpected mallocx() failure");
assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),
@@ -74,9 +74,10 @@ TEST_BEGIN(test_stats_arenas_summary) {
uint64_t dirty_npurge, dirty_nmadvise, dirty_purged;
uint64_t muzzy_npurge, muzzy_nmadvise, muzzy_purged;
little = mallocx(SMALL_MAXCLASS, MALLOCX_ARENA(0));
little = mallocx(sc_data_global.small_maxclass, MALLOCX_ARENA(0));
assert_ptr_not_null(little, "Unexpected mallocx() failure");
large = mallocx((1U << LG_LARGE_MINCLASS), MALLOCX_ARENA(0));
large = mallocx((1U << sc_data_global.lg_large_minclass),
MALLOCX_ARENA(0));
assert_ptr_not_null(large, "Unexpected mallocx() failure");
dallocx(little, 0);
@@ -148,7 +149,7 @@ TEST_BEGIN(test_stats_arenas_small) {
no_lazy_lock(); /* Lazy locking would dodge tcache testing. */
p = mallocx(SMALL_MAXCLASS, MALLOCX_ARENA(0));
p = mallocx(sc_data_global.small_maxclass, MALLOCX_ARENA(0));
assert_ptr_not_null(p, "Unexpected mallocx() failure");
assert_d_eq(mallctl("thread.tcache.flush", NULL, NULL, NULL, 0),
@@ -191,7 +192,7 @@ TEST_BEGIN(test_stats_arenas_large) {
uint64_t epoch, nmalloc, ndalloc;
int expected = config_stats ? 0 : ENOENT;
p = mallocx((1U << LG_LARGE_MINCLASS), MALLOCX_ARENA(0));
p = mallocx((1U << sc_data_global.lg_large_minclass), MALLOCX_ARENA(0));
assert_ptr_not_null(p, "Unexpected mallocx() failure");
assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),