Edit File: numa_faults.stp
#!/usr/bin/stap global execnames, page_faults, node_faults, nodes probe vm.pagefault { execnames[pid()] = execname() page_faults[pid(), write_access ? 1 : 0] <<< 1 try { n=addr_to_node(address) node_faults[pid(), n] <<< 1 nodes[n] <<< 1 } catch { } } function print_pf () { printf ("\n") printf ("%-16s %-6s %10s %10s %-20s\n", "Execname", "PID", "RD Faults", "WR Faults", "Node:Faults") print ("======================= ========== ========== =============\n") foreach (pid in execnames) { printf ("%-16s %6d %10d %10d ", execnames[pid], pid, @count(page_faults[pid,0]), @count(page_faults[pid,1])) foreach ([node+] in nodes) { if ([pid, node] in node_faults) printf ("%d:%d ", node, @count(node_faults[pid, node])) } printf ("\n") } printf("\n") } probe begin { printf("Starting pagefault counters \n") } probe end { printf("Printing counters: \n") print_pf () printf("Done\n") }