1 files changed, 18 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/io/nfs_func_users.stp b/testsuite/systemtap.examples/io/nfs_func_users.stp
new file mode 100755
index 00000000..010db420
--- /dev/null
+++ b/testsuite/systemtap.examples/io/nfs_func_users.stp
@@ -0,0 +1,18 @@
+#!/usr/bin/env stap
+
+global nfsdcalls
+
+probe begin {
+  printf("Collecting top NFSD procs...\n")
+}
+
+probe kernel.function("*@fs/nfs/*proc.c") ?,
+      module("nfs").function("*@fs/nfs/*proc.c") ? {
+  nfsdcalls[execname(), pid()]++
+}
+
+probe end {
+  printf("\nname(pid) nfs ops\n");
+  foreach ([name,p] in nfsdcalls- limit 20)
+    printf("%s(%d) %d\n", name, p, nfsdcalls[name, p])
+}