Hi again,
Is it possible to start performance monitoring from within C code and then turn
it off from the code as well? I would like to be able to do something like:
int main(){
...
code
...
start performance monitoring on LOCKED_OPS:CYCLES_WAITING event
...
code
...
turn off performance monitoring on LOCKED_OPS:CYCLES_WAITING event
display perf. monitoring results
...
code
...
}
I would use this to get separate results for various parts of my code, without
having to separate my code into different files and run 'task' on them
independently. I assume I have to link the executable with -lpfm4, but besides
that what libpfm4 library functions or utilities could I use from withing my C
program's main() function to start monitoring on the current multithreaded
process at a certain location in the code, and then turn off monitoring later,
display the results and run the rest of the main function without monitoring?
Thank you,
Vlad
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