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Added TCMalloc and JEMalloc projects

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This commit is contained in:
Brian Fiete 2022-06-02 17:55:17 -07:00
parent 53376f3861
commit 652142e189
242 changed files with 67746 additions and 6 deletions
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BeefRT/JEMalloc/include/jemalloc/internal/background_thread_structs.h Normal file
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#ifndef JEMALLOC_INTERNAL_BACKGROUND_THREAD_STRUCTS_H
#define JEMALLOC_INTERNAL_BACKGROUND_THREAD_STRUCTS_H
/* This file really combines "structs" and "types", but only transitionally. */
#if defined(JEMALLOC_BACKGROUND_THREAD) || defined(JEMALLOC_LAZY_LOCK)
# define JEMALLOC_PTHREAD_CREATE_WRAPPER
#endif
#define BACKGROUND_THREAD_INDEFINITE_SLEEP UINT64_MAX
#define MAX_BACKGROUND_THREAD_LIMIT MALLOCX_ARENA_LIMIT
#define DEFAULT_NUM_BACKGROUND_THREAD 4
/*
* These exist only as a transitional state. Eventually, deferral should be
* part of the PAI, and each implementation can indicate wait times with more
* specificity.
*/
#define BACKGROUND_THREAD_HPA_INTERVAL_MAX_UNINITIALIZED (-2)
#define BACKGROUND_THREAD_HPA_INTERVAL_MAX_DEFAULT_WHEN_ENABLED 5000
#define BACKGROUND_THREAD_DEFERRED_MIN UINT64_C(0)
#define BACKGROUND_THREAD_DEFERRED_MAX UINT64_MAX
typedef enum {
background_thread_stopped,
background_thread_started,
/* Thread waits on the global lock when paused (for arena_reset). */
background_thread_paused,
} background_thread_state_t;
struct background_thread_info_s {
#ifdef JEMALLOC_BACKGROUND_THREAD
/* Background thread is pthread specific. */
pthread_t thread;
pthread_cond_t cond;
#endif
malloc_mutex_t mtx;
background_thread_state_t state;
/* When true, it means no wakeup scheduled. */
atomic_b_t indefinite_sleep;
/* Next scheduled wakeup time (absolute time in ns). */
nstime_t next_wakeup;
/*
* Since the last background thread run, newly added number of pages
* that need to be purged by the next wakeup. This is adjusted on
* epoch advance, and is used to determine whether we should signal the
* 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;
};
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;
mutex_prof_data_t max_counter_per_bg_thd;
};
typedef struct background_thread_stats_s background_thread_stats_t;
#endif /* JEMALLOC_INTERNAL_BACKGROUND_THREAD_STRUCTS_H */