.. _envoy_v3_api_file_envoy/admin/v3/mutex_stats.proto: MutexStats (proto) ================== .. _envoy_v3_api_msg_admin.v3.MutexStats: admin.v3.MutexStats ------------------- :repo:`[admin.v3.MutexStats proto] ` Proto representation of the statistics collected upon absl::Mutex contention, if Envoy is run under :option:`--enable-mutex-tracing`. For more information, see the ``absl::Mutex`` [docs](https://abseil.io/about/design/mutex#extra-features). *NB*: The wait cycles below are measured by ``absl::base_internal::CycleClock``, and may not correspond to core clock frequency. For more information, see the ``CycleClock`` [docs](https://github.com/abseil/abseil-cpp/blob/master/absl/base/internal/cycleclock.h). .. code-block:: json :force: { "num_contentions": ..., "current_wait_cycles": ..., "lifetime_wait_cycles": ... } .. _envoy_v3_api_field_admin.v3.MutexStats.num_contentions: num_contentions (`uint64 `_) The number of individual mutex contentions which have occurred since startup. .. _envoy_v3_api_field_admin.v3.MutexStats.current_wait_cycles: current_wait_cycles (`uint64 `_) The length of the current contention wait cycle. .. _envoy_v3_api_field_admin.v3.MutexStats.lifetime_wait_cycles: lifetime_wait_cycles (`uint64 `_) The lifetime total of all contention wait cycles.