Example: lr_user_data_point_instance_ex
The following segment checks the CPU every second and records the result.
In the following example, a user data point instance records the amount overdrawn on a bank account during a specific transaction instance whose id is instance_id. The data point's log flag is Extended and will be logged if VuGen's Log runtime setting is set at Extended level.
int LIMIT=1000;
long instance_id;
int amount_overdrawn;
amount_overdrawn = get_amount_overdrawn();
while (amount_overdrawn < LIMIT) {
/* Notify that a transaction is starting */
instance_id = lr_start_transaction_instance("withdraw", 0);
status = bank_withdraw(500); /* Call to server API */
/* End transaction with operation result - pass or fail */
if (status == 0)
lr_end_transaction_instance(instance_id, LR_PASS);
else
lr_end_transaction_instance(instance_id, LR_FAIL);
amount_overdrawn = get_amount_overdrawn();
/* Record the amount overdrawn as a data point and associate it with
* the specific transaction instance by using the instance's id */
lr_user_data_point_instance_ex("Amount Overdrawn",
(double)amount_overdrawn, instance_id,
DP_FLAGS_EXTENDED_LOG);
}