./xdebug profiler [--top 10] [--report report.csv] [--format csv] file1 [ file2 [ folder]]

-r, --report	Report file
-f, --format	Report format: table or csv
-t, --top   	Top number of method to show. Could be number or percentage: 10 or 20%

# create full report to csv file
> ./xdebug profiler -r report.csv cachegrind.out.1340990144_014725

# display report table with 10 most slow methods
> ./xdebug profiler -t 10 cachegrind.out.1340990144_014725 cachegrind.out.1340990145_014890

# display report table with 20% most slow methods
> ./xdebug profiler -t 20% /var/data/path-to-folder-with-cachegrind-files/

# you can also don't specify `profiler`. it will be used by default
> ./xdebug -t 20% /var/data/path-to-folder-with-cachegrind-files/