|Message ||To view a Perfmon .blg file you will have to convert the file to a CSV and open using the Microsoft Excel.
Open a command prompt by clicking Start, pointing to Run, typing cmd, and then clicking OK.
Change the directory to the folder that contains the .blg file.
At the command prompt, type "relog perf_log000x.blg -f CSV -o perfmomdata000x.csv",
where perf_log000x.blg is the .blg file, and perfmomdata000x.csv is the name of the file that will be created in the CSV format.