diff options
Diffstat (limited to 'testsuite/systemtap.examples/keyword-index.txt')
| -rw-r--r-- | testsuite/systemtap.examples/keyword-index.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/keyword-index.txt b/testsuite/systemtap.examples/keyword-index.txt index 8cafd43f..bf35f139 100644 --- a/testsuite/systemtap.examples/keyword-index.txt +++ b/testsuite/systemtap.examples/keyword-index.txt @@ -222,6 +222,18 @@ keywords: profiling user-space and kernel-space. +profiling/timeout.stp - Show Processes Doing Polling Operations +keywords: profiling + + The timeout.stp script is based on a blog entry + (http://udrepper.livejournal.com/19041.html) mentioning a need for a + tool to help developers find applications that are polling. The + timeout.stp script monitors systemcall used for polling and records + the systemcalls that timed out rather than returned because some + action occurred. The script updates the screen once a second with the + top twenty processes. + + = READ = io/iotime.stp - Trace Time Spent in Read and Write for Files |