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author | Dave Watson <davejwatson@fb.com> | 2018-03-29 12:58:13 -0700 |
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committer | Dave Watson <davejwatson@fb.com> | 2018-04-10 14:01:45 -0700 |
commit | 8b14f3abc05f01419f9321a6a65ab9dd68dcebac (patch) | |
tree | 89bd0d868edc7d8337c02d7fa881ad1c61f2f497 /include | |
parent | 4be74d51121e8772d356e8be088dc93f927fd709 (diff) | |
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background_thread: add max thread count config
Looking at the thread counts in our services, jemalloc's background thread
is useful, but mostly idle. Add a config option to tune down the number of threads.
Diffstat (limited to 'include')
-rw-r--r-- | include/jemalloc/internal/background_thread_externs.h | 2 | ||||
-rw-r--r-- | include/jemalloc/internal/background_thread_structs.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/include/jemalloc/internal/background_thread_externs.h b/include/jemalloc/internal/background_thread_externs.h index 8b4b8471..3209aa49 100644 --- a/include/jemalloc/internal/background_thread_externs.h +++ b/include/jemalloc/internal/background_thread_externs.h @@ -2,9 +2,11 @@ #define JEMALLOC_INTERNAL_BACKGROUND_THREAD_EXTERNS_H extern bool opt_background_thread; +extern size_t opt_max_background_threads; extern malloc_mutex_t background_thread_lock; extern atomic_b_t background_thread_enabled_state; extern size_t n_background_threads; +extern size_t max_background_threads; extern background_thread_info_t *background_thread_info; extern bool can_enable_background_thread; diff --git a/include/jemalloc/internal/background_thread_structs.h b/include/jemalloc/internal/background_thread_structs.h index e69a7d02..c1107dfe 100644 --- a/include/jemalloc/internal/background_thread_structs.h +++ b/include/jemalloc/internal/background_thread_structs.h @@ -8,6 +8,7 @@ #endif #define BACKGROUND_THREAD_INDEFINITE_SLEEP UINT64_MAX +#define MAX_BACKGROUND_THREAD_LIMIT MALLOCX_ARENA_LIMIT typedef enum { background_thread_stopped, |