Top mode for PMC

pmcstat -Sinstructions -T ~/pmctest/prog/pmctest 10000

hotkeys:

• f : replace empty cost function name by “.”
• c+d : delta mode (default)
• c+a : accumulated mode
• n : next view (tree vs top cost)
• p : next PMC
• m : merge PMC with same name (ie merge all CPU sample) (default)
• ' ' : pause
• q : exit

-o is also working and periodically output a snap in the file

Display the following output updated each 5s (default).

Tips: Using log file for output can do periodic snapshot of the system for an interesting view of a workload.

View 1:

View 2: