The operating system statistics are collected in the Exadata environment using the tool ExaWatcher automatically. You can generate statistics reports over a certain time as user root:
The following example generates the report for the period from 09/24/2018 till 09/26/2018:
./GetExaWatcherResults.sh –from 09/24/2018_00:00:00 –to 09/26/2018_23:59:59
Results will be generated as the BZIP2 Archive in the directory /opt/oracle.ExaWatcher/archive/ExtractedResults.
The results can be analyzed very simple via Browser. You can unpack the archive, go to the directory and see separate directories for the different statistics: