Files
TrinityCore/dep/include/jemalloc/internal/stats.h
raczman 1532a2f9a2 Use jemalloc as memory allocator on linux.
In comparison to standard glibc allocator,
jemalloc fargments adress space less,
and scales linearly in multithreaded environment.
Author: Jason Evans, mad props to him.

--HG--
branch : trunk
2010-04-20 10:58:41 +02:00

175 lines
4.6 KiB
C

/******************************************************************************/
#ifdef JEMALLOC_H_TYPES
#define UMAX2S_BUFSIZE 65
#ifdef JEMALLOC_STATS
typedef struct tcache_bin_stats_s tcache_bin_stats_t;
typedef struct malloc_bin_stats_s malloc_bin_stats_t;
typedef struct malloc_large_stats_s malloc_large_stats_t;
typedef struct arena_stats_s arena_stats_t;
#endif
#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
typedef struct chunk_stats_s chunk_stats_t;
#endif
#endif /* JEMALLOC_H_TYPES */
/******************************************************************************/
#ifdef JEMALLOC_H_STRUCTS
#ifdef JEMALLOC_STATS
#ifdef JEMALLOC_TCACHE
struct tcache_bin_stats_s {
/*
* Number of allocation requests that corresponded to the size of this
* bin.
*/
uint64_t nrequests;
};
#endif
struct malloc_bin_stats_s {
/*
* Current number of bytes allocated, including objects currently
* cached by tcache.
*/
size_t allocated;
/*
* Total number of allocation/deallocation requests served directly by
* the bin. Note that tcache may allocate an object, then recycle it
* many times, resulting many increments to nrequests, but only one
* each to nmalloc and ndalloc.
*/
uint64_t nmalloc;
uint64_t ndalloc;
/*
* Number of allocation requests that correspond to the size of this
* bin. This includes requests served by tcache, though tcache only
* periodically merges into this counter.
*/
uint64_t nrequests;
#ifdef JEMALLOC_TCACHE
/* Number of tcache fills from this bin. */
uint64_t nfills;
/* Number of tcache flushes to this bin. */
uint64_t nflushes;
#endif
/* Total number of runs created for this bin's size class. */
uint64_t nruns;
/*
* Total number of runs reused by extracting them from the runs tree for
* this bin's size class.
*/
uint64_t reruns;
/* High-water mark for this bin. */
size_t highruns;
/* Current number of runs in this bin. */
size_t curruns;
};
struct malloc_large_stats_s {
/*
* Total number of allocation/deallocation requests served directly by
* the arena. Note that tcache may allocate an object, then recycle it
* many times, resulting many increments to nrequests, but only one
* each to nmalloc and ndalloc.
*/
uint64_t nmalloc;
uint64_t ndalloc;
/*
* Number of allocation requests that correspond to this size class.
* This includes requests served by tcache, though tcache only
* periodically merges into this counter.
*/
uint64_t nrequests;
/* High-water mark for this size class. */
size_t highruns;
/* Current number of runs of this size class. */
size_t curruns;
};
struct arena_stats_s {
/* Number of bytes currently mapped. */
size_t mapped;
/*
* Total number of purge sweeps, total number of madvise calls made,
* and total pages purged in order to keep dirty unused memory under
* control.
*/
uint64_t npurge;
uint64_t nmadvise;
uint64_t purged;
/* Per-size-category statistics. */
size_t allocated_large;
uint64_t nmalloc_large;
uint64_t ndalloc_large;
uint64_t nrequests_large;
/*
* One element for each possible size class, including sizes that
* overlap with bin size classes. This is necessary because ipalloc()
* sometimes has to use such large objects in order to assure proper
* alignment.
*/
malloc_large_stats_t *lstats;
};
#endif /* JEMALLOC_STATS */
#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
struct chunk_stats_s {
# ifdef JEMALLOC_STATS
/* Number of chunks that were allocated. */
uint64_t nchunks;
# endif
/* High-water mark for number of chunks allocated. */
size_t highchunks;
/*
* Current number of chunks allocated. This value isn't maintained for
* any other purpose, so keep track of it in order to be able to set
* highchunks.
*/
size_t curchunks;
};
#endif /* JEMALLOC_STATS */
#endif /* JEMALLOC_H_STRUCTS */
/******************************************************************************/
#ifdef JEMALLOC_H_EXTERNS
extern bool opt_stats_print;
char *umax2s(uintmax_t x, unsigned base, char *s);
#ifdef JEMALLOC_STATS
void malloc_cprintf(void (*write)(void *, const char *), void *cbopaque,
const char *format, ...) JEMALLOC_ATTR(format(printf, 3, 4));
void malloc_printf(const char *format, ...)
JEMALLOC_ATTR(format(printf, 1, 2));
#endif
void stats_print(void (*write)(void *, const char *), void *cbopaque,
const char *opts);
#endif /* JEMALLOC_H_EXTERNS */
/******************************************************************************/
#ifdef JEMALLOC_STATS
#ifdef JEMALLOC_H_INLINES
#endif /* JEMALLOC_H_INLINES */
#endif /* JEMALLOC_STATS */
/******************************************************************************/