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Add witness, a simple online locking validator.

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This resolves #358.
This commit is contained in:
Jason Evans
2016-04-13 23:36:15 -07:00
parent 8413463f3a
commit b2c0d6322d
33 changed files with 2118 additions and 1302 deletions
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78
include/jemalloc/internal/prof.h
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@@ -281,7 +281,7 @@ extern uint64_t prof_interval;
extern size_t lg_prof_sample;
void prof_alloc_rollback(tsd_t *tsd, prof_tctx_t *tctx, bool updated);
void prof_malloc_sample_object(const void *ptr, size_t usize,
void prof_malloc_sample_object(tsd_t *tsd, const void *ptr, size_t usize,
prof_tctx_t *tctx);
void prof_free_sampled_object(tsd_t *tsd, size_t usize, prof_tctx_t *tctx);
void bt_init(prof_bt_t *bt, void **vec);
@@ -293,32 +293,32 @@ size_t prof_bt_count(void);
const prof_cnt_t *prof_cnt_all(void);
typedef int (prof_dump_open_t)(bool, const char *);
extern prof_dump_open_t *prof_dump_open;
typedef bool (prof_dump_header_t)(bool, const prof_cnt_t *);
typedef bool (prof_dump_header_t)(tsd_t *, bool, const prof_cnt_t *);
extern prof_dump_header_t *prof_dump_header;
#endif
void prof_idump(void);
bool prof_mdump(const char *filename);
void prof_gdump(void);
void prof_idump(tsd_t *tsd);
bool prof_mdump(tsd_t *tsd, const char *filename);
void prof_gdump(tsd_t *tsd);
prof_tdata_t *prof_tdata_init(tsd_t *tsd);
prof_tdata_t *prof_tdata_reinit(tsd_t *tsd, prof_tdata_t *tdata);
void prof_reset(tsd_t *tsd, size_t lg_sample);
void prof_tdata_cleanup(tsd_t *tsd);
const char *prof_thread_name_get(void);
bool prof_active_get(void);
bool prof_active_set(bool active);
const char *prof_thread_name_get(tsd_t *tsd);
bool prof_active_get(tsd_t *tsd);
bool prof_active_set(tsd_t *tsd, bool active);
int prof_thread_name_set(tsd_t *tsd, const char *thread_name);
bool prof_thread_active_get(void);
bool prof_thread_active_set(bool active);
bool prof_thread_active_init_get(void);
bool prof_thread_active_init_set(bool active_init);
bool prof_gdump_get(void);
bool prof_gdump_set(bool active);
bool prof_thread_active_get(tsd_t *tsd);
bool prof_thread_active_set(tsd_t *tsd, bool active);
bool prof_thread_active_init_get(tsd_t *tsd);
bool prof_thread_active_init_set(tsd_t *tsd, bool active_init);
bool prof_gdump_get(tsd_t *tsd);
bool prof_gdump_set(tsd_t *tsd, bool active);
void prof_boot0(void);
void prof_boot1(void);
bool prof_boot2(void);
void prof_prefork(void);
void prof_postfork_parent(void);
void prof_postfork_child(void);
bool prof_boot2(tsd_t *tsd);
void prof_prefork(tsd_t *tsd);
void prof_postfork_parent(tsd_t *tsd);
void prof_postfork_child(tsd_t *tsd);
void prof_sample_threshold_update(prof_tdata_t *tdata);
#endif /* JEMALLOC_H_EXTERNS */
@@ -329,17 +329,17 @@ void prof_sample_threshold_update(prof_tdata_t *tdata);
bool prof_active_get_unlocked(void);
bool prof_gdump_get_unlocked(void);
prof_tdata_t *prof_tdata_get(tsd_t *tsd, bool create);
prof_tctx_t *prof_tctx_get(tsd_t *tsd, const void *ptr);
void prof_tctx_set(tsd_t *tsd, const void *ptr, size_t usize,
prof_tctx_t *tctx);
void prof_tctx_reset(tsd_t *tsd, const void *ptr, size_t usize,
const void *old_ptr, prof_tctx_t *tctx);
bool prof_sample_accum_update(tsd_t *tsd, size_t usize, bool commit,
prof_tdata_t **tdata_out);
prof_tctx_t *prof_alloc_prep(tsd_t *tsd, size_t usize, bool prof_active,
bool update);
prof_tctx_t *prof_tctx_get(const void *ptr);
void prof_tctx_set(const void *ptr, size_t usize, prof_tctx_t *tctx);
void prof_tctx_reset(const void *ptr, size_t usize, const void *old_ptr,
void prof_malloc(tsd_t *tsd, const void *ptr, size_t usize,
prof_tctx_t *tctx);
void prof_malloc_sample_object(const void *ptr, size_t usize,
prof_tctx_t *tctx);
void prof_malloc(const void *ptr, size_t usize, prof_tctx_t *tctx);
void prof_realloc(tsd_t *tsd, const void *ptr, size_t usize,
prof_tctx_t *tctx, bool prof_active, bool updated, const void *old_ptr,
size_t old_usize, prof_tctx_t *old_tctx);
@@ -397,34 +397,34 @@ prof_tdata_get(tsd_t *tsd, bool create)
}
JEMALLOC_ALWAYS_INLINE prof_tctx_t *
prof_tctx_get(const void *ptr)
prof_tctx_get(tsd_t *tsd, const void *ptr)
{
cassert(config_prof);
assert(ptr != NULL);
return (arena_prof_tctx_get(ptr));
return (arena_prof_tctx_get(tsd, ptr));
}
JEMALLOC_ALWAYS_INLINE void
prof_tctx_set(const void *ptr, size_t usize, prof_tctx_t *tctx)
prof_tctx_set(tsd_t *tsd, const void *ptr, size_t usize, prof_tctx_t *tctx)
{
cassert(config_prof);
assert(ptr != NULL);
arena_prof_tctx_set(ptr, usize, tctx);
arena_prof_tctx_set(tsd, ptr, usize, tctx);
}
JEMALLOC_ALWAYS_INLINE void
prof_tctx_reset(const void *ptr, size_t usize, const void *old_ptr,
prof_tctx_reset(tsd_t *tsd, const void *ptr, size_t usize, const void *old_ptr,
prof_tctx_t *old_tctx)
{
cassert(config_prof);
assert(ptr != NULL);
arena_prof_tctx_reset(ptr, usize, old_ptr, old_tctx);
arena_prof_tctx_reset(tsd, ptr, usize, old_ptr, old_tctx);
}
JEMALLOC_ALWAYS_INLINE bool
@@ -479,17 +479,17 @@ prof_alloc_prep(tsd_t *tsd, size_t usize, bool prof_active, bool update)
}
JEMALLOC_ALWAYS_INLINE void
prof_malloc(const void *ptr, size_t usize, prof_tctx_t *tctx)
prof_malloc(tsd_t *tsd, const void *ptr, size_t usize, prof_tctx_t *tctx)
{
cassert(config_prof);
assert(ptr != NULL);
assert(usize == isalloc(ptr, true));
assert(usize == isalloc(tsd, ptr, true));
if (unlikely((uintptr_t)tctx > (uintptr_t)1U))
prof_malloc_sample_object(ptr, usize, tctx);
prof_malloc_sample_object(tsd, ptr, usize, tctx);
else
prof_tctx_set(ptr, usize, (prof_tctx_t *)(uintptr_t)1U);
prof_tctx_set(tsd, ptr, usize, (prof_tctx_t *)(uintptr_t)1U);
}
JEMALLOC_ALWAYS_INLINE void
@@ -503,7 +503,7 @@ prof_realloc(tsd_t *tsd, const void *ptr, size_t usize, prof_tctx_t *tctx,
assert(ptr != NULL || (uintptr_t)tctx <= (uintptr_t)1U);
if (prof_active && !updated && ptr != NULL) {
assert(usize == isalloc(ptr, true));
assert(usize == isalloc(tsd, ptr, true));
if (prof_sample_accum_update(tsd, usize, true, NULL)) {
/*
* Don't sample. The usize passed to prof_alloc_prep()
@@ -520,9 +520,9 @@ prof_realloc(tsd_t *tsd, const void *ptr, size_t usize, prof_tctx_t *tctx,
old_sampled = ((uintptr_t)old_tctx > (uintptr_t)1U);
if (unlikely(sampled))
prof_malloc_sample_object(ptr, usize, tctx);
prof_malloc_sample_object(tsd, ptr, usize, tctx);
else
prof_tctx_reset(ptr, usize, old_ptr, old_tctx);
prof_tctx_reset(tsd, ptr, usize, old_ptr, old_tctx);
if (unlikely(old_sampled))
prof_free_sampled_object(tsd, old_usize, old_tctx);
@@ -531,10 +531,10 @@ prof_realloc(tsd_t *tsd, const void *ptr, size_t usize, prof_tctx_t *tctx,
JEMALLOC_ALWAYS_INLINE void
prof_free(tsd_t *tsd, const void *ptr, size_t usize)
{
prof_tctx_t *tctx = prof_tctx_get(ptr);
prof_tctx_t *tctx = prof_tctx_get(tsd, ptr);
cassert(config_prof);
assert(usize == isalloc(ptr, true));
assert(usize == isalloc(tsd, ptr, true));
if (unlikely((uintptr_t)tctx > (uintptr_t)1U))
prof_free_sampled_object(tsd, usize, tctx);