# otMleCounters Struct Reference # otMleCounters `#include ` Represents the Thread MLE counters. ## Summary | ### Public attributes || |---|---| | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1ab76ac7c6d6a8998eb159dcf6e0316700` | `uint16_t` Number of attach attempts while device was detached. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1af12f85cf175560fa122ef7c9015236c9` | `uint16_t` Number of attempts to attach to find a better parent (parent search). | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1a3133604c00b3597ce3a3e48eb3e4b2c7` | `uint16_t` Number of attempts to attach to a better partition. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1a1e0382809fb1e2545a99fec4b1d3c829` | `uint16_t` Number of times device entered OT_DEVICE_ROLE_CHILD role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1a74da501852ca5036981063292858c67d` | `uint64_t` Number of milliseconds device has been in OT_DEVICE_ROLE_CHILD role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1a22f94545ca98912b660743a77dab0952` | `uint16_t` Number of times device entered OT_DEVICE_ROLE_DETACHED role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1ae8c0bf15bc94aad807939842c0a3556a` | `uint64_t` Number of milliseconds device has been in OT_DEVICE_ROLE_DETACHED role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1a4cc081feda704f37617fcabd8e6ca77e` | `uint16_t` Number of times device entered OT_DEVICE_ROLE_DISABLED role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1aaaa4e348f4c8fddeb13d84d6cb5f0021` | `uint64_t` Number of milliseconds device has been in OT_DEVICE_ROLE_DISABLED role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1ace53f3d4a5ab641dadc47a190c944ec9` | `uint16_t` Number of times device entered OT_DEVICE_ROLE_LEADER role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1a479327d251c1a32ae13ce552bb326db2` | `uint64_t` Number of milliseconds device has been in OT_DEVICE_ROLE_LEADER role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1ac70934637c1b1551024fbd8d0969a663` | `uint16_t` Number of times device changed its parent. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1afbaa1769915e7a62dbcb6f1fe11af328` | `uint16_t` Number of changes to partition ID. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1ab25ea870953f326ec34a18e1d3b80b46` | `uint16_t` Number of times device entered OT_DEVICE_ROLE_ROUTER role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1ab4a7c489bb916304513ee91b22e9831a` | `uint64_t` Number of milliseconds device has been in OT_DEVICE_ROLE_ROUTER role. | | `https://openthread.io/reference/struct/ot-mle-counters#structot_mle_counters_1aa8a3a725ee317f8aa088b2c5edd06e0f` | `uint64_t` Number of milliseconds tracked by previous counters. | ## Public attributes ### mAttachAttempts ``` uint16_t otMleCounters::mAttachAttempts ``` Number of attach attempts while device was detached. ### mBetterParentAttachAttempts ``` uint16_t otMleCounters::mBetterParentAttachAttempts ``` Number of attempts to attach to find a better parent (parent search). ### mBetterPartitionAttachAttempts ``` uint16_t otMleCounters::mBetterPartitionAttachAttempts ``` Number of attempts to attach to a better partition. ### mChildRole ``` uint16_t otMleCounters::mChildRole ``` Number of times device entered OT_DEVICE_ROLE_CHILD role. ### mChildTime ``` uint64_t otMleCounters::mChildTime ``` Number of milliseconds device has been in OT_DEVICE_ROLE_CHILD role. ### mDetachedRole ``` uint16_t otMleCounters::mDetachedRole ``` Number of times device entered OT_DEVICE_ROLE_DETACHED role. ### mDetachedTime ``` uint64_t otMleCounters::mDetachedTime ``` Number of milliseconds device has been in OT_DEVICE_ROLE_DETACHED role. ### mDisabledRole ``` uint16_t otMleCounters::mDisabledRole ``` Number of times device entered OT_DEVICE_ROLE_DISABLED role. ### mDisabledTime ``` uint64_t otMleCounters::mDisabledTime ``` Number of milliseconds device has been in OT_DEVICE_ROLE_DISABLED role. ### mLeaderRole ``` uint16_t otMleCounters::mLeaderRole ``` Number of times device entered OT_DEVICE_ROLE_LEADER role. ### mLeaderTime ``` uint64_t otMleCounters::mLeaderTime ``` Number of milliseconds device has been in OT_DEVICE_ROLE_LEADER role. ### mParentChanges ``` uint16_t otMleCounters::mParentChanges ``` Number of times device changed its parent. A parent change can happen if device detaches from its current parent and attaches to a different one, or even while device is attached when the periodic parent search feature is enabled (please see option OPENTHREAD_CONFIG_PARENT_SEARCH_ENABLE). ### mPartitionIdChanges ``` uint16_t otMleCounters::mPartitionIdChanges ``` Number of changes to partition ID. ### mRouterRole ``` uint16_t otMleCounters::mRouterRole ``` Number of times device entered OT_DEVICE_ROLE_ROUTER role. ### mRouterTime ``` uint64_t otMleCounters::mRouterTime ``` Number of milliseconds device has been in OT_DEVICE_ROLE_ROUTER role. ### mTrackedTime ``` uint64_t otMleCounters::mTrackedTime ``` Number of milliseconds tracked by previous counters. ## Resources OpenThread API Reference topics originate from the source code, available on [GitHub](https://github.com/openthread/openthread/tree/main/include/openthread). For more information, or to contribute to our documentation, refer to [Resources](https://openthread.io/resources).