## Environment: - OS Ubuntu 14.04 - HW i7-3770 3.4GMhz - 16GB Ram - 1TB SATA HDD - GK107 [GeForce GT 640]/ GF108 [GeForce GT 440/630] ## Steps - Modify the setting and set the sample buffer size to 14,000,000 and sample interval 1 ms - Re-open the browser - surfing a webpage over 10 minutes ## Result - system still got memory over 5GB through top command - the analyze window show blank and the status of status bar show "Finished" or "About the start next task", - Left panel and bottom panel didn't show anything