The challenge that I faced was on identifying the process name / library name within the script.During the cross compilation the process name and library name are being referred with real path of process/library in the host (which I understood after peeked the generated .ko). Since the real path of host and t…
Tag: systemtap
SystemTap script to profile latency of functions
My goal is to profile the execution time of each function in a kernel module. Using the sample scripts I saw online, I came up with the following script to fulfill my need. But occasionally I get negative values for calculated latencies. Although, they happen rarely but I guess that indicates something is wro…