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Add background thread related stats.

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Qi Wang 2017-05-12 12:30:33 -07:00 • committed by Qi Wang
parent b693c7868e
commit 2bee0c6251
9 changed files with 214 additions and 21 deletions
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2
include/jemalloc/internal/background_thread_externs.h
View file

@ -19,6 +19,8 @@ void background_thread_prefork0(tsdn_t *tsdn);
void background_thread_prefork1(tsdn_t *tsdn);
void background_thread_postfork_parent(tsdn_t *tsdn);
void background_thread_postfork_child(tsdn_t *tsdn);
bool background_thread_stats_read(tsdn_t *tsdn,
background_thread_stats_t *stats);
#if defined(JEMALLOC_BACKGROUND_THREAD) || defined(JEMALLOC_LAZY_LOCK)
extern int (*pthread_create_fptr)(pthread_t *__restrict, const pthread_attr_t *,

11
include/jemalloc/internal/background_thread_structs.h
View file

@ -18,8 +18,19 @@ struct background_thread_info_s {
* background thread to wake up earlier.
*/
size_t npages_to_purge_new;
/* Stats: total number of runs since started. */
uint64_t tot_n_runs;
/* Stats: total sleep time since started. */
nstime_t tot_sleep_time;
#endif /* ifdef JEMALLOC_BACKGROUND_THREAD */
};
typedef struct background_thread_info_s background_thread_info_t;
struct background_thread_stats_s {
size_t num_threads;
uint64_t num_runs;
nstime_t run_interval;
};
typedef struct background_thread_stats_s background_thread_stats_t;
#endif /* JEMALLOC_INTERNAL_BACKGROUND_THREAD_STRUCTS_H */

1
include/jemalloc/internal/ctl.h
View file

@ -52,6 +52,7 @@ typedef struct ctl_stats_s {
size_t mapped;
size_t retained;
background_thread_stats_t background_thread;
mutex_prof_data_t mutex_prof_data[mutex_prof_num_global_mutexes];
} ctl_stats_t;

2
include/jemalloc/internal/nstime.h
View file

@ -18,7 +18,9 @@ uint64_t nstime_nsec(const nstime_t *time);
void nstime_copy(nstime_t *time, const nstime_t *source);
int nstime_compare(const nstime_t *a, const nstime_t *b);
void nstime_add(nstime_t *time, const nstime_t *addend);
void nstime_iadd(nstime_t *time, uint64_t addend);
void nstime_subtract(nstime_t *time, const nstime_t *subtrahend);
void nstime_isubtract(nstime_t *time, uint64_t subtrahend);
void nstime_imultiply(nstime_t *time, uint64_t multiplier);
void nstime_idivide(nstime_t *time, uint64_t divisor);
uint64_t nstime_divide(const nstime_t *time, const nstime_t *divisor);