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Get rid of locks in prof recent test

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This commit is contained in:
Yinan Zhang 2020-04-06 16:19:53 -07:00
parent 2deabac079
commit c4e9ea8cc6
3 changed files with 32 additions and 61 deletions
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2
include/jemalloc/internal/prof_recent.h
View File

@ -9,7 +9,7 @@ void edata_prof_recent_alloc_init(edata_t *edata);
#ifdef JEMALLOC_JET
typedef ql_head(prof_recent_t) prof_recent_list_t;
extern prof_recent_list_t prof_recent_alloc_list;
prof_recent_t *edata_prof_recent_alloc_get(tsd_t *tsd, const edata_t *edata);
prof_recent_t *edata_prof_recent_alloc_get_no_lock(const edata_t *edata);
#endif
#endif /* JEMALLOC_INTERNAL_PROF_RECENT_EXTERNS_H */

10
src/prof_recent.c
View File

@ -93,15 +93,15 @@ edata_prof_recent_alloc_init(edata_t *edata) {
edata_prof_recent_alloc_set_dont_call_directly(edata, NULL);
}
static inline prof_recent_t *
edata_prof_recent_alloc_get_no_lock(const edata_t *edata) {
return edata_prof_recent_alloc_get_dont_call_directly(edata);
}
#ifndef JEMALLOC_JET
static inline
#endif
prof_recent_t *
edata_prof_recent_alloc_get_no_lock(const edata_t *edata) {
return edata_prof_recent_alloc_get_dont_call_directly(edata);
}
static inline prof_recent_t *
edata_prof_recent_alloc_get(tsd_t *tsd, const edata_t *edata) {
malloc_mutex_assert_owner(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
prof_recent_t *recent_alloc =

81
test/unit/prof_recent.c
View File

@ -101,43 +101,38 @@ TEST_END
#define NTH_REQ_SIZE(n) ((n) * 97 + 101)
static void
confirm_malloc(tsd_t *tsd, void *p) {
confirm_malloc(void *p) {
assert_ptr_not_null(p, "malloc failed unexpectedly");
edata_t *e = emap_edata_lookup(TSDN_NULL, &emap_global, p);
assert_ptr_not_null(e, "NULL edata for living pointer");
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
prof_recent_t *n = edata_prof_recent_alloc_get(tsd, e);
prof_recent_t *n = edata_prof_recent_alloc_get_no_lock(e);
assert_ptr_not_null(n, "Record in edata should not be NULL");
expect_ptr_not_null(n->alloc_tctx,
"alloc_tctx in record should not be NULL");
expect_ptr_eq(e, n->alloc_edata,
"edata pointer in record is not correct");
expect_ptr_null(n->dalloc_tctx, "dalloc_tctx in record should be NULL");
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
}
static void
confirm_record_size(tsd_t *tsd, prof_recent_t *n, unsigned kth) {
malloc_mutex_assert_owner(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
confirm_record_size(prof_recent_t *n, unsigned kth) {
expect_zu_eq(n->size, NTH_REQ_SIZE(kth),
"Recorded allocation size is wrong");
}
static void
confirm_record_living(tsd_t *tsd, prof_recent_t *n) {
malloc_mutex_assert_owner(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
confirm_record_living(prof_recent_t *n) {
expect_ptr_not_null(n->alloc_tctx,
"alloc_tctx in record should not be NULL");
assert_ptr_not_null(n->alloc_edata,
"Recorded edata should not be NULL for living pointer");
expect_ptr_eq(n, edata_prof_recent_alloc_get(tsd, n->alloc_edata),
expect_ptr_eq(n, edata_prof_recent_alloc_get_no_lock(n->alloc_edata),
"Record in edata is not correct");
expect_ptr_null(n->dalloc_tctx, "dalloc_tctx in record should be NULL");
}
static void
confirm_record_released(tsd_t *tsd, prof_recent_t *n) {
malloc_mutex_assert_owner(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
confirm_record_released(prof_recent_t *n) {
expect_ptr_not_null(n->alloc_tctx,
"alloc_tctx in record should not be NULL");
expect_ptr_null(n->alloc_edata,
@ -168,14 +163,10 @@ TEST_BEGIN(test_prof_recent_alloc) {
for (i = 0; i < 2 * OPT_ALLOC_MAX; ++i) {
req_size = NTH_REQ_SIZE(i);
p = malloc(req_size);
confirm_malloc(tsd, p);
confirm_malloc(p);
if (i < OPT_ALLOC_MAX - 1) {
malloc_mutex_lock(tsd_tsdn(tsd),
&prof_recent_alloc_mtx);
assert_false(ql_empty(&prof_recent_alloc_list),
"Empty recent allocation");
malloc_mutex_unlock(tsd_tsdn(tsd),
&prof_recent_alloc_mtx);
free(p);
/*
* The recorded allocations may still include some
@ -185,17 +176,15 @@ TEST_BEGIN(test_prof_recent_alloc) {
continue;
}
c = 0;
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
ql_foreach(n, &prof_recent_alloc_list, link) {
++c;
confirm_record_size(tsd, n, i + c - OPT_ALLOC_MAX);
confirm_record_size(n, i + c - OPT_ALLOC_MAX);
if (c == OPT_ALLOC_MAX) {
confirm_record_living(tsd, n);
confirm_record_living(n);
} else {
confirm_record_released(tsd, n);
confirm_record_released(n);
}
}
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_u_eq(c, OPT_ALLOC_MAX,
"Incorrect total number of allocations");
free(p);
@ -216,13 +205,11 @@ TEST_BEGIN(test_prof_recent_alloc) {
p = malloc(req_size);
assert_ptr_not_null(p, "malloc failed unexpectedly");
c = 0;
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
ql_foreach(n, &prof_recent_alloc_list, link) {
confirm_record_size(tsd, n, c + OPT_ALLOC_MAX);
confirm_record_released(tsd, n);
confirm_record_size(n, c + OPT_ALLOC_MAX);
confirm_record_released(n);
++c;
}
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_u_eq(c, OPT_ALLOC_MAX,
"Incorrect total number of allocations");
free(p);
@ -243,12 +230,11 @@ TEST_BEGIN(test_prof_recent_alloc) {
for (; i < 4 * OPT_ALLOC_MAX; ++i) {
req_size = NTH_REQ_SIZE(i);
p = malloc(req_size);
confirm_malloc(tsd, p);
confirm_malloc(p);
c = 0;
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
ql_foreach(n, &prof_recent_alloc_list, link) {
++c;
confirm_record_size(tsd, n,
confirm_record_size(n,
/* Is the allocation from the third batch? */
i + c - OPT_ALLOC_MAX >= 3 * OPT_ALLOC_MAX ?
/* If yes, then it's just recorded. */
@ -259,12 +245,11 @@ TEST_BEGIN(test_prof_recent_alloc) {
*/
i + c - 2 * OPT_ALLOC_MAX);
if (c == OPT_ALLOC_MAX) {
confirm_record_living(tsd, n);
confirm_record_living(n);
} else {
confirm_record_released(tsd, n);
confirm_record_released(n);
}
}
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_u_eq(c, OPT_ALLOC_MAX,
"Incorrect total number of allocations");
free(p);
@ -275,13 +260,11 @@ TEST_BEGIN(test_prof_recent_alloc) {
assert_d_eq(mallctl("experimental.prof_recent.alloc_max",
NULL, NULL, &future, sizeof(ssize_t)), 0, "Write error");
c = 0;
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
ql_foreach(n, &prof_recent_alloc_list, link) {
confirm_record_size(tsd, n, c + 3 * OPT_ALLOC_MAX);
confirm_record_released(tsd, n);
confirm_record_size(n, c + 3 * OPT_ALLOC_MAX);
confirm_record_released(n);
++c;
}
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_u_eq(c, OPT_ALLOC_MAX,
"Incorrect total number of allocations");
@ -293,13 +276,11 @@ TEST_BEGIN(test_prof_recent_alloc) {
assert_d_eq(mallctl("experimental.prof_recent.alloc_max",
NULL, NULL, &future, sizeof(ssize_t)), 0, "Write error");
c = 0;
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
ql_foreach(n, &prof_recent_alloc_list, link) {
confirm_record_size(tsd, n, c + 3 * OPT_ALLOC_MAX);
confirm_record_released(tsd, n);
confirm_record_size(n, c + 3 * OPT_ALLOC_MAX);
confirm_record_released(n);
++c;
}
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_u_eq(c, OPT_ALLOC_MAX,
"Incorrect total number of allocations");
@ -311,13 +292,11 @@ TEST_BEGIN(test_prof_recent_alloc) {
assert_d_eq(mallctl("experimental.prof_recent.alloc_max",
NULL, NULL, &future, sizeof(ssize_t)), 0, "Write error");
c = 0;
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
ql_foreach(n, &prof_recent_alloc_list, link) {
++c;
confirm_record_size(tsd, n, c + 3 * OPT_ALLOC_MAX);
confirm_record_released(tsd, n);
confirm_record_size(n, c + 3 * OPT_ALLOC_MAX);
confirm_record_released(n);
}
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_u_eq(c, OPT_ALLOC_MAX - 1,
"Incorrect total number of allocations");
@ -326,13 +305,11 @@ TEST_BEGIN(test_prof_recent_alloc) {
assert_d_eq(mallctl("experimental.prof_recent.alloc_max",
NULL, NULL, &future, sizeof(ssize_t)), 0, "Write error");
c = 0;
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
ql_foreach(n, &prof_recent_alloc_list, link) {
++c;
confirm_record_size(tsd, n, c + 3 * OPT_ALLOC_MAX);
confirm_record_released(tsd, n);
confirm_record_size(n, c + 3 * OPT_ALLOC_MAX);
confirm_record_released(n);
}
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_u_eq(c, OPT_ALLOC_MAX - 1,
"Incorrect total number of allocations");
@ -340,32 +317,26 @@ TEST_BEGIN(test_prof_recent_alloc) {
future = 1;
assert_d_eq(mallctl("experimental.prof_recent.alloc_max",
NULL, NULL, &future, sizeof(ssize_t)), 0, "Write error");
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_false(ql_empty(&prof_recent_alloc_list), "Recent list is empty");
n = ql_first(&prof_recent_alloc_list);
confirm_record_size(tsd, n, 4 * OPT_ALLOC_MAX - 1);
confirm_record_released(tsd, n);
confirm_record_size(n, 4 * OPT_ALLOC_MAX - 1);
confirm_record_released(n);
n = ql_next(&prof_recent_alloc_list, n, link);
assert_ptr_null(n, "Recent list should only contain one record");
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
/* Completely turn off. */
future = 0;
assert_d_eq(mallctl("experimental.prof_recent.alloc_max",
NULL, NULL, &future, sizeof(ssize_t)), 0, "Write error");
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_true(ql_empty(&prof_recent_alloc_list),
"Recent list should be empty");
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
/* Restore the settings. */
future = OPT_ALLOC_MAX;
assert_d_eq(mallctl("experimental.prof_recent.alloc_max",
NULL, NULL, &future, sizeof(ssize_t)), 0, "Write error");
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
assert_true(ql_empty(&prof_recent_alloc_list),
"Recent list should be empty");
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
confirm_prof_setup(tsd);
}