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[Bug bpf/24639] "next" statement not recognized by stap bpf backend
- From: "wcohen at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Thu, 06 Jun 2019 21:13:41 +0000
- Subject: [Bug bpf/24639] "next" statement not recognized by stap bpf backend
- Auto-submitted: auto-generated
- References: <bug-24639-6586@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=24639
--- Comment #2 from William Cohen <wcohen at redhat dot com> ---
The bpf back is recognizing the next statement in probes, but the tests fail:
$ ../install/bin/stap --bpf testsuite/systemtap.bpf/bpf_tests/next.stp
BEGIN
END FAIL
Looks like there is a problem with if statements code generation:
$ ../install/bin/stap --bpf -e 'global a, b; probe init {a=10; b=10} probe
oneshot{if (a!=b) printf("!=\n") else printf("==\n")}'
==
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