Product : Amazon, AWS/AWS, IAAS VMs
Feature : VM Service monitoring, Monitoring, Management
Content Owner:  Ephraim Baron
Summary
Every EC2 instance sends basic metrics to CloudWatch every five-minutes. More metrics and one-minute monitoring are available at cost.
Details
Basic metrics are: CPUUtilization, DiskReadOps, DiskWriteOps, DiskReadBytes, DiskWriteBytes, NetworkIn, NetworkOut, NetworkPacketsIn, NetworkPacketsOut
https://aws.amazon.com/cloudwatch/