diff options
Diffstat (limited to 'testsuite/systemtap.examples/memory/mmwriteback.meta')
| -rw-r--r-- | testsuite/systemtap.examples/memory/mmwriteback.meta | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/memory/mmwriteback.meta b/testsuite/systemtap.examples/memory/mmwriteback.meta index aab0f910..00a68827 100644 --- a/testsuite/systemtap.examples/memory/mmwriteback.meta +++ b/testsuite/systemtap.examples/memory/mmwriteback.meta @@ -9,5 +9,6 @@ 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_support: stap -l kernel.trace("mm_pdflush_bgwriteout"),kernel.trace("mm_pdflush_kupdate"),kernel.trace("mm_pagereclaim_pgout") test_check: stap -p4 mmwriteback.stp test_installcheck: stap mmwriteback.stp -c "sleep 1" |