[Bug translator/12081] New: procfs probes don't cope well with de-duping

[Bug translator/12081] New: procfs probes don't cope well with de-duping

[jistone at redhat dot com]

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When the translator has merged identical probe bodies, the procfs probes end up
with a non-unique name for their buffers:

$ ./run-stap -e 'probe procfs("foo").read, procfs("bar").read { $value = pn() }'
-p4 --vp 0001
/tmp/stapFhIRBy/stap_10fdf6ac9d0c06eb4a65ba170795227b_1426.c:277: error:
duplicate member ‘probe_1997’
make[1]: *** [/tmp/stapFhIRBy/stap_10fdf6ac9d0c06eb4a65ba170795227b_1426.o] Error 1
make: *** [_module_/tmp/stapFhIRBy] Error 2
Pass 4: compiled C into "stap_10fdf6ac9d0c06eb4a65ba170795227b_1426.ko" in
460usr/260sys/1103real ms.
Pass 4: compilation failed.  Try again with another '--vp 0001' option.


275 static struct stap_procfs_probe_buffer {
276   char probe_1997[STP_PROCFS_BUFSIZE];
277   char probe_1997[STP_PROCFS_BUFSIZE];
278 } stap_procfs_probe_buffers;

-- 
           Summary: procfs probes don't cope well with de-duping
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: jistone at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=12081

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