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Add stats for metadata_thp.

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Report number of THPs used in arena and aggregated stats.
This commit is contained in:
Qi Wang 2017-08-25 13:24:49 -07:00 • committed by Qi Wang
parent 47b20bb654
commit e55c3ca267
10 changed files with 125 additions and 21 deletions
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24
test/unit/base.c
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@ -28,22 +28,28 @@ static extent_hooks_t hooks_not_null = {
TEST_BEGIN(test_base_hooks_default) {
base_t *base;
size_t allocated0, allocated1, resident, mapped;
size_t allocated0, allocated1, resident, mapped, n_thp;
tsdn_t *tsdn = tsd_tsdn(tsd_fetch());
base = base_new(tsdn, 0, (extent_hooks_t *)&extent_hooks_default);
if (config_stats) {
base_stats_get(tsdn, base, &allocated0, &resident, &mapped);
base_stats_get(tsdn, base, &allocated0, &resident, &mapped,
&n_thp);
assert_zu_ge(allocated0, sizeof(base_t),
"Base header should count as allocated");
if (opt_metadata_thp == metadata_thp_always) {
assert_zu_gt(n_thp, 0,
"Base should have 1 THP at least.");
}
}
assert_ptr_not_null(base_alloc(tsdn, base, 42, 1),
"Unexpected base_alloc() failure");
if (config_stats) {
base_stats_get(tsdn, base, &allocated1, &resident, &mapped);
base_stats_get(tsdn, base, &allocated1, &resident, &mapped,
&n_thp);
assert_zu_ge(allocated1 - allocated0, 42,
"At least 42 bytes were allocated by base_alloc()");
}
@ -55,7 +61,7 @@ TEST_END
TEST_BEGIN(test_base_hooks_null) {
extent_hooks_t hooks_orig;
base_t *base;
size_t allocated0, allocated1, resident, mapped;
size_t allocated0, allocated1, resident, mapped, n_thp;
extent_hooks_prep();
try_dalloc = false;
@ -71,16 +77,22 @@ TEST_BEGIN(test_base_hooks_null) {
assert_ptr_not_null(base, "Unexpected base_new() failure");
if (config_stats) {
base_stats_get(tsdn, base, &allocated0, &resident, &mapped);
base_stats_get(tsdn, base, &allocated0, &resident, &mapped,
&n_thp);
assert_zu_ge(allocated0, sizeof(base_t),
"Base header should count as allocated");
if (opt_metadata_thp == metadata_thp_always) {
assert_zu_gt(n_thp, 0,
"Base should have 1 THP at least.");
}
}
assert_ptr_not_null(base_alloc(tsdn, base, 42, 1),
"Unexpected base_alloc() failure");
if (config_stats) {
base_stats_get(tsdn, base, &allocated1, &resident, &mapped);
base_stats_get(tsdn, base, &allocated1, &resident, &mapped,
&n_thp);
assert_zu_ge(allocated1 - allocated0, 42,
"At least 42 bytes were allocated by base_alloc()");
}