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[Bug runtime/10665] backtrace() is too slow
- From: "wcohen at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 18 Sep 2009 21:42:25 -0000
- Subject: [Bug runtime/10665] backtrace() is too slow
- References: <20090918213942.10665.wcohen@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From wcohen at redhat dot com 2009-09-18 21:42 -------
Created an attachment (id=4213)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=4213&action=view)
Latencytap script demoing the slow backtrace and skips
Will see that a number of probes skipped with:
stap -vt latencytap5slow.stp
Replace the backtrace() with "0" and see that the script no longer skips
probes.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10665
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