diff --git a/src/lib/dataman_client/DatamanClient.cpp b/src/lib/dataman_client/DatamanClient.cpp
index a6b37defa931..c2c0ec995fcd 100644
--- a/src/lib/dataman_client/DatamanClient.cpp
+++ b/src/lib/dataman_client/DatamanClient.cpp
@@ -39,6 +39,8 @@
 
 DatamanClient::DatamanClient()
 {
+	_sync_perf = perf_alloc(PC_ELAPSED, "DatamanClient: sync");
+
 	_dataman_request_pub.advertise();
 	_dataman_response_sub = orb_subscribe(ORB_ID(dataman_response));
 
@@ -74,6 +76,8 @@ DatamanClient::DatamanClient()
 
 DatamanClient::~DatamanClient()
 {
+	perf_free(_sync_perf);
+
 	if (_dataman_response_sub >= 0) {
 		orb_unsubscribe(_dataman_response_sub);
 	}
@@ -85,6 +89,7 @@ bool DatamanClient::syncHandler(const dataman_request_s &request, dataman_respon
 	bool response_received = false;
 	int32_t ret = 0;
 	hrt_abstime time_elapsed = hrt_elapsed_time(&start_time);
+	perf_begin(_sync_perf);
 	_dataman_request_pub.publish(request);
 
 	while (!response_received && (time_elapsed < timeout)) {
@@ -132,6 +137,8 @@ bool DatamanClient::syncHandler(const dataman_request_s &request, dataman_respon
 		time_elapsed = hrt_elapsed_time(&start_time);
 	}
 
+	perf_end(_sync_perf);
+
 	if (!response_received && ret >= 0) {
 		PX4_ERR("timeout after %" PRIu32 " ms!", static_cast<uint32_t>(timeout / 1000));
 	}
diff --git a/src/lib/dataman_client/DatamanClient.hpp b/src/lib/dataman_client/DatamanClient.hpp
index 636b41d142af..9d1b71fd2cc4 100644
--- a/src/lib/dataman_client/DatamanClient.hpp
+++ b/src/lib/dataman_client/DatamanClient.hpp
@@ -62,7 +62,7 @@ class DatamanClient
 	 *
 	 * @return true if data was read successfully within the timeout, false otherwise.
 	 */
-	bool readSync(dm_item_t item, uint32_t index, uint8_t *buffer, uint32_t length, hrt_abstime timeout = 1000_ms);
+	bool readSync(dm_item_t item, uint32_t index, uint8_t *buffer, uint32_t length, hrt_abstime timeout = 5000_ms);
 
 	/**
 	 * @brief Write data to the dataman synchronously.
@@ -75,7 +75,7 @@ class DatamanClient
 	 *
 	 * @return True if the write operation succeeded, false otherwise.
 	 */
-	bool writeSync(dm_item_t item, uint32_t index, uint8_t *buffer, uint32_t length, hrt_abstime timeout = 1000_ms);
+	bool writeSync(dm_item_t item, uint32_t index, uint8_t *buffer, uint32_t length, hrt_abstime timeout = 5000_ms);
 
 	/**
 	 * @brief Clears the data in the specified dataman item.
@@ -85,7 +85,7 @@ class DatamanClient
 	 *
 	 * @return True if the operation was successful, false otherwise.
 	 */
-	bool clearSync(dm_item_t item, hrt_abstime timeout = 1000_ms);
+	bool clearSync(dm_item_t item, hrt_abstime timeout = 5000_ms);
 
 	/**
 	 * @brief Initiates an asynchronous request to read the data from dataman for a specific item and index.
@@ -185,6 +185,8 @@ class DatamanClient
 
 	uint8_t _client_id{0};
 
+	perf_counter_t _sync_perf{nullptr};
+
 	static constexpr uint8_t CLIENT_ID_NOT_SET{0};
 };
 
@@ -246,7 +248,7 @@ class DatamanCache
 	 *
 	 * @return True if the write operation succeeded, false otherwise.
 	 */
-	bool writeWait(dm_item_t item, uint32_t index, uint8_t *buffer, uint32_t length, hrt_abstime timeout = 1000_ms);
+	bool writeWait(dm_item_t item, uint32_t index, uint8_t *buffer, uint32_t length, hrt_abstime timeout = 5000_ms);
 
 	/**
 	 * @brief Updates the dataman cache by checking for responses from the DatamanClient and processing them.