diff options
Diffstat (limited to 'absl/container/internal/hashtablez_sampler.cc')
-rw-r--r-- | absl/container/internal/hashtablez_sampler.cc | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/absl/container/internal/hashtablez_sampler.cc b/absl/container/internal/hashtablez_sampler.cc index 79a0973a..fd21d966 100644 --- a/absl/container/internal/hashtablez_sampler.cc +++ b/absl/container/internal/hashtablez_sampler.cc @@ -18,12 +18,18 @@ #include <atomic> #include <cassert> #include <cmath> +#include <cstddef> +#include <cstdint> #include <functional> #include <limits> #include "absl/base/attributes.h" #include "absl/base/config.h" +#include "absl/base/internal/per_thread_tls.h" #include "absl/base/internal/raw_logging.h" +#include "absl/base/macros.h" +#include "absl/base/no_destructor.h" +#include "absl/base/optimization.h" #include "absl/debugging/stacktrace.h" #include "absl/memory/memory.h" #include "absl/profiling/internal/exponential_biased.h" @@ -64,7 +70,7 @@ ABSL_PER_THREAD_TLS_KEYWORD SamplingState global_next_sample = {0, 0}; #endif // defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE) HashtablezSampler& GlobalHashtablezSampler() { - static auto* sampler = new HashtablezSampler(); + static absl::NoDestructor<HashtablezSampler> sampler; return *sampler; } @@ -72,7 +78,10 @@ HashtablezInfo::HashtablezInfo() = default; HashtablezInfo::~HashtablezInfo() = default; void HashtablezInfo::PrepareForSampling(int64_t stride, - size_t inline_element_size_value) { + size_t inline_element_size_value, + size_t key_size_value, + size_t value_size_value, + uint16_t soo_capacity_value) { capacity.store(0, std::memory_order_relaxed); size.store(0, std::memory_order_relaxed); num_erases.store(0, std::memory_order_relaxed); @@ -92,6 +101,9 @@ void HashtablezInfo::PrepareForSampling(int64_t stride, depth = absl::GetStackTrace(stack, HashtablezInfo::kMaxStackDepth, /* skip_count= */ 0); inline_element_size = inline_element_size_value; + key_size = key_size_value; + value_size = value_size_value; + soo_capacity = soo_capacity_value; } static bool ShouldForceSampling() { @@ -115,12 +127,13 @@ static bool ShouldForceSampling() { } HashtablezInfo* SampleSlow(SamplingState& next_sample, - size_t inline_element_size) { + size_t inline_element_size, size_t key_size, + size_t value_size, uint16_t soo_capacity) { if (ABSL_PREDICT_FALSE(ShouldForceSampling())) { next_sample.next_sample = 1; const int64_t old_stride = exchange(next_sample.sample_stride, 1); - HashtablezInfo* result = - GlobalHashtablezSampler().Register(old_stride, inline_element_size); + HashtablezInfo* result = GlobalHashtablezSampler().Register( + old_stride, inline_element_size, key_size, value_size, soo_capacity); return result; } @@ -150,10 +163,12 @@ HashtablezInfo* SampleSlow(SamplingState& next_sample, // that case. if (first) { if (ABSL_PREDICT_TRUE(--next_sample.next_sample > 0)) return nullptr; - return SampleSlow(next_sample, inline_element_size); + return SampleSlow(next_sample, inline_element_size, key_size, value_size, + soo_capacity); } - return GlobalHashtablezSampler().Register(old_stride, inline_element_size); + return GlobalHashtablezSampler().Register(old_stride, inline_element_size, + key_size, value_size, soo_capacity); #endif } |