diff options
Diffstat (limited to 'testsuite/systemtap.examples/keyword-index.txt')
| -rw-r--r-- | testsuite/systemtap.examples/keyword-index.txt | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/testsuite/systemtap.examples/keyword-index.txt b/testsuite/systemtap.examples/keyword-index.txt index 22065e76..470e7c45 100644 --- a/testsuite/systemtap.examples/keyword-index.txt +++ b/testsuite/systemtap.examples/keyword-index.txt @@ -11,6 +11,15 @@ subsystems: io, keywords: io backtrace list from most common to least common backtrace. +process/sleepingBeauties.stp - Generating Backtraces of Threads Waiting for IO Operations +subsystems: scheduler, keywords: io scheduler backtrace + + 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. + + = CALLGRAPH = general/para-callgraph.stp - Callgraph tracing with arguments @@ -132,14 +141,12 @@ subsystems: io, keywords: io process/sleepingBeauties.stp - Generating Backtraces of Threads Waiting for IO Operations -subsystems: scheduler, keywords: io scheduler +subsystems: scheduler, keywords: io scheduler backtrace - 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. + 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. = LOCKING = @@ -236,14 +243,12 @@ subsystems: syscall, keywords: syscall read write time io = SCHEDULER = process/sleepingBeauties.stp - Generating Backtraces of Threads Waiting for IO Operations -subsystems: scheduler, keywords: io scheduler - - 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. +subsystems: scheduler, keywords: io scheduler backtrace + + 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. = SIGNALS = |