diff options
Diffstat (limited to 'testsuite/systemtap.examples/keyword-index.html')
| -rw-r--r-- | testsuite/systemtap.examples/keyword-index.html | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/testsuite/systemtap.examples/keyword-index.html b/testsuite/systemtap.examples/keyword-index.html index 2825bc2e..8a673c2f 100644 --- a/testsuite/systemtap.examples/keyword-index.html +++ b/testsuite/systemtap.examples/keyword-index.html @@ -46,6 +46,9 @@ <li><a href="io/io_submit.stp">io/io_submit.stp</a> - Tally Reschedule Reason During AIO io_submit Call<br> subsystems: io, keywords: io backtrace<br> <p>When a reschedule occurs during an AIO io_submit call, accumulate the traceback in a histogram. When the script exits prints out a sorted list from most common to least common backtrace.</p></li> +<li><a href="process/sleepingBeauties.stp">process/sleepingBeauties.stp</a> - Generating Backtraces of Threads Waiting for IO Operations<br> +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="CALLGRAPH">CALLGRAPH</a></h3> <ul> @@ -104,8 +107,8 @@ subsystems: io, keywords: io<br> subsystems: io, keywords: io<br> <p>Print out the executable name and process number as reads and writes to the specified device occur.</p></li> <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="LOCKING">LOCKING</a></h3> <ul> @@ -149,8 +152,8 @@ subsystems: syscall, keywords: syscall read write time io<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> |