project-base/server-skynet-source-3rd-jemalloc
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Test prof.reset mallctl and fix numerous discovered bugs.

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This commit is contained in:
Jason Evans
2014-10-02 23:01:10 -07:00
parent cc9e626ea9
commit 20c31deaae
5 changed files with 404 additions and 75 deletions
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1
include/jemalloc/internal/private_symbols.txt
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@@ -292,6 +292,7 @@ prof_boot0
prof_boot1
prof_boot2
prof_bt_count
prof_dump_header
prof_dump_open
prof_free
prof_free_sampled_object

24
include/jemalloc/internal/prof.h
View File

@@ -151,22 +151,23 @@ struct prof_gctx_s {
};
typedef rb_tree(prof_gctx_t) prof_gctx_tree_t;
typedef enum {
prof_tdata_state_attached, /* Active thread attached, data valid. */
prof_tdata_state_detached, /* Defunct thread, data remain valid. */
prof_tdata_state_expired /* Predates reset, omit data from dump. */
} prof_tdata_state_t;
struct prof_tdata_s {
malloc_mutex_t *lock;
/* Monotonically increasing unique thread identifier. */
uint64_t thr_uid;
/*
* Monotonically increasing discriminator among tdata structures
* associated with the same thr_uid.
*/
uint64_t thr_discrim;
/* Included in heap profile dumps if non-NULL. */
char *thread_name;
prof_tdata_state_t state;
bool attached;
bool expired;
rb_node(prof_tdata_t) tdata_link;
@@ -257,9 +258,13 @@ void bt_init(prof_bt_t *bt, void **vec);
void prof_backtrace(prof_bt_t *bt);
prof_tctx_t *prof_lookup(tsd_t *tsd, prof_bt_t *bt);
#ifdef JEMALLOC_JET
size_t prof_tdata_count(void);
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 *);
extern prof_dump_header_t *prof_dump_header;
#endif
void prof_idump(void);
bool prof_mdump(const char *filename);
@@ -312,12 +317,11 @@ prof_tdata_get(tsd_t *tsd, bool create)
if (unlikely(tdata == NULL)) {
tdata = prof_tdata_init(tsd);
tsd_prof_tdata_set(tsd, tdata);
} else if (unlikely(tdata->state == prof_tdata_state_expired)) {
} else if (unlikely(tdata->expired)) {
tdata = prof_tdata_reinit(tsd, tdata);
tsd_prof_tdata_set(tsd, tdata);
}
assert(tdata == NULL ||
tdata->state == prof_tdata_state_attached);
assert(tdata == NULL || tdata->attached);
}
return (tdata);