testsuite/systemtap.samples/scf.stp


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# scf.stp
# A reimplementation of user script:smp_call_function example given at OLS 2005
# in the current language.
#
# Will Cohen
# 9/22/2005

global traces

probe kernel.function("smp_call_function") 
{
  traces[pid(), pexecname(), backtrace()] += 1;
}

probe begin { print( "starting probe\n" ); }

probe end {
  print("end of data collection\n");
  foreach( [pid, name, stack] in traces){
    print( "traces[" . sprint(pid) . "," . name . ",\n" );
    print_stack(stack)
    print( "] = " . sprint(traces[pid, name, stack]) );
    print( "\n" );
  }
}