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How to use procmon to trace mysqld.exe filesystem access

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This article provides walkthrough on using Process Monitor on Windows, tracing file system access by mysqld.exe during "install plugin" call.

Download

Process Monitor is an advanced monitoring tool for Windows that shows real-time file system, Registry and process/thread activity. It is a part of sysinternals suite developed by Mark Russinovich and Bryce Cogswell. Process monitor can be directly downloaded from http://download.sysinternals.com/files/ProcessMonitor.zip . More description can be found at http:technet.microsoft.com/en-us/sysinternals/bb896645.aspx

Installation

There is no installation necessary, the single executable can be used after unpacking. I suggest to put procmon into a some directory in PATH.

Example of taking a mysqld.exe trace

The purpose of the following exersize is to learn how to use procmon to trace mysqld.exe calls to filesystem.

We assume that mysqld.exe is already started. 1. Start procmon.exe . Dialog will pop up that offers to set filter. Use this dialog to set filter to "Process name" "is" "mysqld.exe", as show in the screenshot below. Filter Setup

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