top-nfsxdrcalls.stp


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#!/usr/bin/env stap

global nfscalls

probe begin {
	printf("Collecting top NFS procs...\n")
}

probe module("nfsv4").function("*@fs/nfs/nfs4xdr.c")
{
	nfscalls[probefunc()]++
}

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