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[Bug testsuite/16570] New: the syscall.exp and nd_syscall.exp testcases take too long
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Wed, 12 Feb 2014 18:54:56 +0000
- Subject: [Bug testsuite/16570] New: the syscall.exp and nd_syscall.exp testcases take too long
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16570
Bug ID: 16570
Summary: the syscall.exp and nd_syscall.exp testcases take too
long
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: testsuite
Assignee: systemtap at sourceware dot org
Reporter: dsmith at redhat dot com
I've been adding more C testcases for the syscall/nd_syscall testsuite. I've
noticed that these testcases take a long time to run. On a recent debug x86_64
kernel, the syscall testsuite took over 38 minutes to run.
>From some debugging, the majority of that time is spent compiling and
recompiling the test module. Even using a cached module, it takes a lot of time
to process the sys.stp/nd_sys.stp scripts since they probe every syscall.
Compiling the module once, then using staprun to load the resulting module
should speed these tests up.
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