[Bug testsuite/4500] New: Compilation of buildok/task_test.stp fails on ppc64

[Bug testsuite/4500] New: Compilation of buildok/task_test.stp fails on ppc64

[srinivasa at in dot ibm dot com]

In systemtap-snapshot 20070512, builok/task_test.stp fails with below reason.

==============================================
/tmp/stapoECuDX/stap_cc104d8cc3585fb32de7686d1744bee5_3066.c: In function
'function_task_cpu':
/tmp/stapoECuDX/stap_cc104d8cc3585fb32de7686d1744bee5_3066.c:531: error: 'struct
task_struct' has no member named 'thread_info'
/tmp/stapoECuDX/stap_cc104d8cc3585fb32de7686d1744bee5_3066.c:531: error: 'struct
task_struct' has no member named 'thread_info'
/tmp/stapoECuDX/stap_cc104d8cc3585fb32de7686d1744bee5_3066.c:531: error: 'struct
task_struct' has no member named 'thread_info'
/tmp/stapoECuDX/stap_cc104d8cc3585fb32de7686d1744bee5_3066.c:531: error: 'struct
task_struct' has no member named 'thread_info'
/tmp/stapoECuDX/stap_cc104d8cc3585fb32de7686d1744bee5_3066.c:531: error: 'struct
task_struct' has no member named 'thread_info'
/tmp/stapoECuDX/stap_cc104d8cc3585fb32de7686d1744bee5_3066.c:531: error: 'struct
task_struct' has no member named 'thread_info'
======================================================

-- 
           Summary: Compilation of buildok/task_test.stp fails on ppc64
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: srinivasa at in dot ibm dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=4500

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[Bug testsuite/4500] Compilation of buildok/task_test.stp fails on ppc64

[ananth at in dot ibm dot com]

------- Additional Comments From ananth at in dot ibm dot com  2007-05-14 10:51 -------
Another example of an upstream change breaking a testcase. "thread_info" is now
renamed to "stack"

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[Bug testsuite/4500] Compilation of buildok/task_test.stp fails on ppc64

[srinivasa at in dot ibm dot com]

------- Additional Comments From srinivasa at in dot ibm dot com  2007-05-14 12:56 -------
*** Bug 4501 has been marked as a duplicate of this bug. ***

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[Bug testsuite/4500] Compilation of buildok/task_test.stp fails on ppc64

[srinivasa at in dot ibm dot com]

------- Additional Comments From srinivasa at in dot ibm dot com  2007-07-18 14:26 -------
Implementation of cpu() should be changed from 
=================================================
function cpu:long () %{ /* pure */
        THIS->__retvalue = current->thread_info->cpu; /* smp_processor_id()? */
%}
=====================================
to
=================================
function cpu:long () %{ /* pure */
        THIS->__retvalue = current_thread_info()->cpu; /* smp_processor_id()? */
%}
==========================
This solves the problem.

Samething has to be done for in all tapsets, which gets information from
thread_info.

Thanks 
Srinivasa DS


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[Bug testsuite/4500] Compilation of buildok/task_test.stp fails on ppc64

[fche at redhat dot com]

------- Additional Comments From fche at redhat dot com  2007-07-18 14:28 -------
How about plain smp_processor_id() instead?  Our probes run in preemption-free mode.

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[Bug testsuite/4500] Compilation of buildok/task_test.stp fails on ppc64

[srinivasa at in dot ibm dot com]

------- Additional Comments From srinivasa at in dot ibm dot com  2007-07-19 14:08 -------
(In reply to comment #4)
> How about plain smp_processor_id() instead?  Our probes run in preemption-free
mode.

That would be a good idea.

Thanks
 Srinivasa DS


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[Bug testsuite/4500] Compilation of buildok/task_test.stp fails on ppc64

[fche at redhat dot com]

------- Additional Comments From fche at redhat dot com  2007-09-04 03:05 -------
This works for me now with cvs systemtap on fedora 7/8 ppc64 (PS3).

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WORKSFORME


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