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| author | William Cohen <wcohen@redhat.com> | 2008-11-19 16:05:29 -0500 |
|---|---|---|
| committer | William Cohen <wcohen@redhat.com> | 2008-11-19 16:05:29 -0500 |
| commit | 5ced00c07ce00dddee08e5b6b82d833ee5a8ff5d (patch) | |
| tree | 065a2db8cd8c32b7199bad89214670b31e95b252 /testsuite/systemtap.examples/process | |
| parent | a3ea7334517f241e50fd5b72c907707941524510 (diff) | |
| parent | cae71dd3a6b166e054d7c0fe522a7541bcb0097f (diff) | |
| download | systemtap-steved-5ced00c07ce00dddee08e5b6b82d833ee5a8ff5d.tar.gz systemtap-steved-5ced00c07ce00dddee08e5b6b82d833ee5a8ff5d.tar.xz systemtap-steved-5ced00c07ce00dddee08e5b6b82d833ee5a8ff5d.zip | |
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
Diffstat (limited to 'testsuite/systemtap.examples/process')
| -rw-r--r-- | testsuite/systemtap.examples/process/sleepingBeauties.meta | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/testsuite/systemtap.examples/process/sleepingBeauties.meta b/testsuite/systemtap.examples/process/sleepingBeauties.meta index 95e08361..3338edbf 100644 --- a/testsuite/systemtap.examples/process/sleepingBeauties.meta +++ b/testsuite/systemtap.examples/process/sleepingBeauties.meta @@ -1,13 +1,7 @@ title: Generating Backtraces of Threads Waiting for IO Operations name: sleepingBeauties.stp -version: 1.0 -author: anonymous -keywords: io scheduler +keywords: io scheduler backtrace 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. +description: The script monitors the time that threads spend waiting for IO operations (in "D" state) in the wait_for_completion function. If a thread spends over 10ms, its name and backtrace is printed, and later so is the total delay. test_check: stap -p4 sleepingBeauties.stp test_installcheck: stap sleepingBeauties.stp -c "sleep 1" |