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| author | William Cohen <wcohen@redhat.com> | 2009-08-31 16:53:40 -0400 |
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| committer | William Cohen <wcohen@redhat.com> | 2009-08-31 16:53:40 -0400 |
| commit | 0dc23d1d3435d0a1b8721618e6c898b9216a27e2 (patch) | |
| tree | 45073bf69363dc8f0517561dacde002d4f18e19c /testsuite/systemtap.examples/memory/mmwriteback.meta | |
| parent | d97876c8cd8488865753fa6a6055ab3a58d7219a (diff) | |
| download | systemtap-steved-0dc23d1d3435d0a1b8721618e6c898b9216a27e2.tar.gz systemtap-steved-0dc23d1d3435d0a1b8721618e6c898b9216a27e2.tar.xz systemtap-steved-0dc23d1d3435d0a1b8721618e6c898b9216a27e2.zip | |
Add virtual memory subsystem tracepoint examples.
Diffstat (limited to 'testsuite/systemtap.examples/memory/mmwriteback.meta')
| -rw-r--r-- | testsuite/systemtap.examples/memory/mmwriteback.meta | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/memory/mmwriteback.meta b/testsuite/systemtap.examples/memory/mmwriteback.meta new file mode 100644 index 00000000..aab0f910 --- /dev/null +++ b/testsuite/systemtap.examples/memory/mmwriteback.meta @@ -0,0 +1,13 @@ +title: Track Virtual Memory System Writing to Disk +name: mmwriteback.stp +version: 1.0 +author: Red Hat +keywords: memory +subsystem: memory +status: experimental +exit: user-controlled +output: sorted-list +scope: system-wide +description: The mmwriteback.stp script uses the virtual memory tracepoints available in some kernels to report all of the file writebacks that occur form kupdate, pdflush and kjournald while the script is running. Its useful in determining where writes are coming from on a supposedly idle system that is experiencing upexpected IO. +test_check: stap -p4 mmwriteback.stp +test_installcheck: stap mmwriteback.stp -c "sleep 1" |