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Add bytes counter to arena large stats.

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To prepare for the upcoming usize changes, stats collected by
multiplying alive allocations and the bin size is no longer accurate.
Thus, add separate counters to record the bytes malloced and dalloced.
This commit is contained in:
guangli-dai 2024-03-25 15:53:59 -07:00 • committed by Guangli Dai
parent bffe921ba0
commit 96b15d5d43
3 changed files with 41 additions and 8 deletions
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10
include/jemalloc/internal/arena_stats.h
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@ -14,12 +14,18 @@ JEMALLOC_DIAGNOSTIC_DISABLE_SPURIOUS
typedef struct arena_stats_large_s arena_stats_large_t;
struct arena_stats_large_s {
/*
* Total number of allocation/deallocation requests served directly by
* the arena.
* Total number of large allocation/deallocation requests served directly
* by the arena.
*/
locked_u64_t nmalloc;
locked_u64_t ndalloc;
/*
* Total large active bytes (allocated - deallocated) served directly
* by the arena.
*/
locked_u64_t active_bytes;
/*
* Number of allocation requests that correspond to this size class.
* This includes requests served by tcache, though tcache only