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authorFrank Ch. Eigler <fche@elastic.org>2008-05-21 13:37:07 -0400
committerFrank Ch. Eigler <fche@elastic.org>2008-05-21 13:37:07 -0400
commite3339150b3c04f50b0abdc4a6d132a6b75b22cb6 (patch)
treec80892afd79625f95ff0a2543728804464c2961a /testsuite/systemtap.examples/io_submit.meta
parent332ddc9f7354fe51c32c504087575b3ea2b70990 (diff)
parentaa8a3b1797da54a14d04cd57758a65064056376e (diff)
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Merge commit 'origin/master' into pr6429-comp-unwindsyms
* commit 'origin/master': Fix assignment optimization expected results. PR6538: more testsuite tweaks for read-only warnings PR6538: more tapset fixes PR6538: explain why absentstats.stp logs will contain warnings PR6538: fix treatment of initialized globals Use pointer_arg to fetch arguments for syscall.utime and compat_utime. Optimize compound and binary expression assignments. Check new (sub) functions of _struct_utimbuf_* and _struct_compat_utimbuf_*. PR6538: tapset changes PR6538: testsuite changes PR5001: fix test suite collateral damage PR6538: warn about read-only variables Add some scripts and descriptions to the systemtap.examples. PR5001: Remove _stp_ctime and always use ctime. Use tr1/unordered_map instead of the deprecated ext/hash_map. PR6524: ctime() on bad values hangs system. Optimize away assignments in other contexts. Optimize away assignments in other contexts. dummy commit for testing systemtap-cvs notification Remove sa_restorer initialization.
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+title: Tally Reschedule Reason During AIO io_submit Call
+name: io_submit.stp
+version: 1.0
+author: Oracle
+keywords: io backtrace
+subsystem: io
+status: production
+exit: user-controlled
+output: sorted on-exit
+scope: system-wide
+description: 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.
+test_check: stap -p4 io_submit.stp
+test_installcheck: stap io_submit.stp -c "sleep 1"