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hub / github.com/facebook/CacheLib / getCounters

Method getCounters

cachelib/object_cache/ObjectCacheSizeController.h:333–361  ·  view source on GitHub ↗

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331
332template <typename AllocatorT>
333void ObjectCacheSizeController<AllocatorT>::getCounters(
334 const util::CounterVisitor& visitor) const {
335 visitor("objcache.num_placeholders", objCache_.getNumPlaceholders());
336 if (folly::usingJEMalloc()) {
337 auto [jemallocAllocatedBytes, jemallocActiveBytes] =
338 trackJemallocMemStats();
339 visitor("objcache.jemalloc_active_bytes", jemallocActiveBytes);
340 visitor("objcache.jemalloc_allocated_bytes", jemallocAllocatedBytes);
341 }
342 visitor("objcache.num_entries", objCache_.getNumEntries());
343 visitor("objcache.free_mem_bytes", objCache_.config_.getFreeMemBytes());
344 visitor("objcache.rss_mem_bytes", objCache_.config_.getRSSMemBytes());
345 visitor("objcache.current_entries_limit",
346 currentEntriesLimit_.load(std::memory_order_relaxed));
347 visitor("objcache.total_object_size_limit",
348 totalObjectSizeLimit_.load(std::memory_order_relaxed));
349 visitor("objcache.size_controller.shrink_cache_calls",
350 shrinkCacheCalls_.get(), util::CounterVisitor::CounterType::RATE);
351 visitor("objcache.size_controller.expand_cache_calls",
352 expandCacheCalls_.get(), util::CounterVisitor::CounterType::RATE);
353 visitor("objcache.size_controller.total_entries_shrunk",
354 totalEntriesShrunk_.get(), util::CounterVisitor::CounterType::RATE);
355 visitor("objcache.size_controller.total_entries_expanded",
356 totalEntriesExpanded_.get(),
357 util::CounterVisitor::CounterType::RATE);
358 visitor("objcache.size_controller.ensure_free_memory_calls",
359 ensureFreeMemoryCalls_.get(),
360 util::CounterVisitor::CounterType::RATE);
361}
362
363template <typename AllocatorT>
364void ObjectCacheSizeController<AllocatorT>::ensureFreeMemoryAboveLowerLimit() {

Callers 1

Calls 3

getNumPlaceholdersMethod · 0.80
getNumEntriesMethod · 0.45
getMethod · 0.45

Tested by

no test coverage detected