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authorWilliam Cohen <wcohen@redhat.com>2009-07-10 10:34:13 -0400
committerWilliam Cohen <wcohen@redhat.com>2009-07-10 10:34:13 -0400
commitc728b7da8be430367aa33f9fbacda93d4add9ea2 (patch)
tree5d76f646d43b78ee5b15e4c09483da127ecfcdc0 /testsuite/systemtap.examples/memory/numa_faults.meta
parent880fc23fa180ae9c9557e7ff945f5f1e750aef15 (diff)
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Add numa_faults.stp example.
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+title: Summarize Process Misses across NUMA Nodes
+name: numa_faults.stp
+version: 1.0
+author: IBM
+keywords: memory numa
+subsystem: memory
+status: production
+exit: user-controlled
+output: list
+scope: system-wide
+description: The numa_faults.stp script tracks the read and write pages faults for each process. When the script exits it prints out the total read and write pages faults for each process. The script also providea a break down of page faults per node for each process. This script is useful for determining whether the program has good locality (page faults limited to a single node) on a NUMA computer.
+test_check: stap -p4 numa_faults.stp
+test_installcheck: stap numa_faults.stp -c "sleep 1"