diff options
Diffstat (limited to 'absl/strings/internal/cordz_info.h')
| -rw-r--r-- | absl/strings/internal/cordz_info.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/absl/strings/internal/cordz_info.h b/absl/strings/internal/cordz_info.h index 17eaa91c..2dc9d16d 100644 --- a/absl/strings/internal/cordz_info.h +++ b/absl/strings/internal/cordz_info.h @@ -60,7 +60,8 @@ class ABSL_LOCKABLE CordzInfo : public CordzHandle { // and/or deleted. `method` identifies the Cord public API method initiating // the cord to be sampled. // Requires `cord` to hold a tree, and `cord.cordz_info()` to be null. - static void TrackCord(InlineData& cord, MethodIdentifier method); + static void TrackCord(InlineData& cord, MethodIdentifier method, + int64_t sampling_stride); // Identical to TrackCord(), except that this function fills the // `parent_stack` and `parent_method` properties of the returned CordzInfo @@ -181,6 +182,8 @@ class ABSL_LOCKABLE CordzInfo : public CordzHandle { // or RemovePrefix. CordzStatistics GetCordzStatistics() const; + int64_t sampling_stride() const { return sampling_stride_; } + private: using SpinLock = absl::base_internal::SpinLock; using SpinLockHolder = ::absl::base_internal::SpinLockHolder; @@ -199,7 +202,7 @@ class ABSL_LOCKABLE CordzInfo : public CordzHandle { static constexpr size_t kMaxStackDepth = 64; explicit CordzInfo(CordRep* rep, const CordzInfo* src, - MethodIdentifier method); + MethodIdentifier method, int64_t weight); ~CordzInfo() override; // Sets `rep_` without holding a lock. @@ -250,12 +253,14 @@ class ABSL_LOCKABLE CordzInfo : public CordzHandle { const MethodIdentifier parent_method_; CordzUpdateTracker update_tracker_; const absl::Time create_time_; + const int64_t sampling_stride_; }; inline ABSL_ATTRIBUTE_ALWAYS_INLINE void CordzInfo::MaybeTrackCord( InlineData& cord, MethodIdentifier method) { - if (ABSL_PREDICT_FALSE(cordz_should_profile())) { - TrackCord(cord, method); + auto stride = cordz_should_profile(); + if (ABSL_PREDICT_FALSE(stride > 0)) { + TrackCord(cord, method, stride); } } |