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Add mallctl to set and get ncached_max of each cache_bin.

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1. `thread_tcache_ncached_max_read_sizeclass` allows users to get the
    ncached_max of the bin with the input sizeclass, passed in through
    oldp (will be upper casted if not an exact bin size is given).
2. `thread_tcache_ncached_max_write` takes in a char array
    representing the settings for bins in the tcache.
This commit is contained in:
guangli-dai 2023-09-19 14:37:09 -07:00 • committed by Qi Wang
parent 6b197fdd46
commit 630f7de952
14 changed files with 477 additions and 70 deletions
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8
include/jemalloc/internal/util.h
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@ -130,4 +130,12 @@ util_prefetch_write_range(void *ptr, size_t sz) {
#undef UTIL_INLINE
/*
* Reads the settings in the following format:
* key1-key2:value|key3-key4:value|...
* Note it does not handle the ending '\0'.
*/
bool
multi_setting_parse_next(const char **setting_segment_cur, size_t *len_left,
size_t *key_start, size_t *key_end, size_t *value);
#endif /* JEMALLOC_INTERNAL_UTIL_H */