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| author | Dave Brolley <brolley@redhat.com> | 2009-01-28 17:32:26 -0500 |
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| committer | Dave Brolley <brolley@redhat.com> | 2009-01-28 17:32:26 -0500 |
| commit | 83e08fc5458e8196d5f0ed5790f9f7de77a80bb6 (patch) | |
| tree | 15618178034c68be6af0c84800935d9f542de151 /testsuite/systemtap.examples/index.txt | |
| parent | cbac7162a67d401506a35757b057aae43bf79e73 (diff) | |
| parent | 852b1d5c70186dbadd55d081d8547c76bcdf1d29 (diff) | |
| download | systemtap-steved-83e08fc5458e8196d5f0ed5790f9f7de77a80bb6.tar.gz systemtap-steved-83e08fc5458e8196d5f0ed5790f9f7de77a80bb6.tar.xz systemtap-steved-83e08fc5458e8196d5f0ed5790f9f7de77a80bb6.zip | |
Merge branch 'master' of git://sources.redhat.com/git/systemtap
Diffstat (limited to 'testsuite/systemtap.examples/index.txt')
| -rw-r--r-- | testsuite/systemtap.examples/index.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/testsuite/systemtap.examples/index.txt b/testsuite/systemtap.examples/index.txt index fce068b8..f45f4c43 100644 --- a/testsuite/systemtap.examples/index.txt +++ b/testsuite/systemtap.examples/index.txt @@ -211,3 +211,15 @@ 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. + + |