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| author | Jim Keniston <jkenisto@us.ibm.com> | 2008-11-19 13:54:18 -0800 |
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| committer | Jim Keniston <jkenisto@us.ibm.com> | 2008-11-19 13:54:18 -0800 |
| commit | bf518e4d572e643af0da2beec97a4bc3a780be49 (patch) | |
| tree | 5e9d732a1265be838f9965bed813aa019778ae41 /testsuite/systemtap.examples/subsystem-index.html | |
| parent | 50a0afbed803ab3e5eb1660e345ecc1d3fecc1f0 (diff) | |
| parent | 5ced00c07ce00dddee08e5b6b82d833ee5a8ff5d (diff) | |
| download | systemtap-steved-bf518e4d572e643af0da2beec97a4bc3a780be49.tar.gz systemtap-steved-bf518e4d572e643af0da2beec97a4bc3a780be49.tar.xz systemtap-steved-bf518e4d572e643af0da2beec97a4bc3a780be49.zip | |
Merge branch 'master' of ssh://kenistoj@sources.redhat.com/git/systemtap
Diffstat (limited to 'testsuite/systemtap.examples/subsystem-index.html')
| -rw-r--r-- | testsuite/systemtap.examples/subsystem-index.html | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/testsuite/systemtap.examples/subsystem-index.html b/testsuite/systemtap.examples/subsystem-index.html index 0f2517ce..ef07ccec 100644 --- a/testsuite/systemtap.examples/subsystem-index.html +++ b/testsuite/systemtap.examples/subsystem-index.html @@ -113,8 +113,8 @@ subsystems: none, keywords: simple<br> <h3><a name="SCHEDULER">SCHEDULER</a></h3> <ul> <li><a href="process/sleepingBeauties.stp">process/sleepingBeauties.stp</a> - Generating Backtraces of Threads Waiting for IO Operations<br> -subsystems: scheduler, keywords: io scheduler<br> -<p>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.</p></li> +subsystems: scheduler, keywords: io scheduler backtrace<br> +<p>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.</p></li> </ul> <h3><a name="SIGNALS">SIGNALS</a></h3> <ul> |