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Diffstat (limited to 'testsuite/systemtap.examples/process/sleepingBeauties.meta')
| -rw-r--r-- | testsuite/systemtap.examples/process/sleepingBeauties.meta | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/process/sleepingBeauties.meta b/testsuite/systemtap.examples/process/sleepingBeauties.meta new file mode 100644 index 00000000..95e08361 --- /dev/null +++ b/testsuite/systemtap.examples/process/sleepingBeauties.meta @@ -0,0 +1,13 @@ +title: Generating Backtraces of Threads Waiting for IO Operations +name: sleepingBeauties.stp +version: 1.0 +author: anonymous +keywords: io scheduler +subsystem: scheduler +status: production +exit: user-controlled +output: trace +scope: system-wide +description: The script monitor time threads spend waiting for IO operations (in "D" state) in the wait_for_completion function. If a thread spends over 10ms wall-clock time waiting, information is printed out describing the thread number and executable name. When slow the wait_for_completion function complete, backtraces for the long duration calls are printed out. +test_check: stap -p4 sleepingBeauties.stp +test_installcheck: stap sleepingBeauties.stp -c "sleep 1" |