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→VTune Tutorial 3: Disk input Output Analysis
== VTune Tutorial 3: Disk input Output Analysis ==
This is the workflow of I/O Analysis
[[File:O_analysis_work_flow.png|400px]]
Image Reference: https://software.intel.com/en-us/node/680296
== What is Disk I/O analysis ==
Disk input / output analysis is a platform-wide analysis that monitors the utilization of the disk subsystem, CPU and processor buses.
It requires the program to be run as administrator.
What it is used for is to identify the imbalances between I/O operations and computational operations, as well as times the latency of the I/O requests.
== Resources ==