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[Bug testsuite/11514] nd_syscall.exp takes more than 10 times longer than syscall.exp testcase
- From: "jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 19 Apr 2010 20:50:26 -0000
- Subject: [Bug testsuite/11514] nd_syscall.exp takes more than 10 times longer than syscall.exp testcase
- References: <20100419113044.11514.mjw@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From jistone at redhat dot com 2010-04-19 20:50 -------
> probe nd_syscall.** {} probe begin { exit() }
>
> # Samples: 137286
> probe syscall.** {} probe begin { exit() }
>
> # Samples: 1051
I should point out that this comparison isn't completely fair, as there are 1400
nd_syscall.** probepoints and only 794 syscall.** probepoints. That leaves 606
nd_syscalls that will fail (mostly the "SyS_*" variants), and nonexistence is
the worst-case scenario for linear searches.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=11514
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