#!/usr/bin/env stap

global nfscalls

probe begin {
	printf("Collecting data...\n")
}

probe kernel.function("*@fs/nfs") ?,
      module("nfs").function("*@fs/nfs/*") ?
{
	nfscalls[probefunc()]++
}

probe end {
        foreach (name in nfscalls- limit 20)
                printf("%10d %s\n", nfscalls[name], name)
}