[Bug runtime/10493] New: runtime/time.c: need autoconf for cpu_khz

[Bug runtime/10493] New: runtime/time.c: need autoconf for cpu_khz

[fche at redhat dot com]

Some kernels (old rhel4 x86-64 xen) don't have and/or export cpu_khz.
These would need to go back to the heuristic estimation code in
runtime/time.c:__stp_get_freq().

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           Summary: runtime/time.c: need autoconf for cpu_khz
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: fche at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=10493

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[Bug runtime/10493] runtime/time.c: need autoconf for cpu_khz

[wenji dot huang at oracle dot com]

------- Additional Comments From wenji dot huang at oracle dot com  2009-08-07 09:42 -------
Created an attachment (id=4120)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=4120&action=view)
patch to detect cpu_khz


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[Bug runtime/10493] runtime/time.c: need autoconf for cpu_khz

[fche at redhat dot com]

------- Additional Comments From fche at redhat dot com  2009-08-07 18:04 -------
Looks good, if cpu_khz is actually absent in these kernels, as opposed to merely
not EXPORT_SYMBOL'd.


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[Bug runtime/10493] runtime/time.c: need autoconf for cpu_khz

[wenji dot huang at oracle dot com]

------- Additional Comments From wenji dot huang at oracle dot com  2010-01-12 09:18 -------
Created an attachment (id=4507)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=4507&action=view)
Updated patch

Reading symbol from Module.symvers

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           What    |Removed                     |Added
----------------------------------------------------------------------------
Attachment #4120 is|0                           |1
           obsolete|                            |


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[Bug runtime/10493] runtime/time.c: need autoconf for cpu_khz

[wenji dot huang at oracle dot com]

------- Additional Comments From wenji dot huang at oracle dot com  2010-01-13 03:35 -------
commit e25ab03ca60a5c6ca687b698502730ba2ad244dc
Author: Wenji Huang <wenji.huang@oracle.com>
Date:   Wed Jan 13 11:27:48 2010 +0800

    PR10493: autoconf for cpu_khz
    
    * buildrun.cxx (output_cpu_khz): New function to check cpu_khz.
      (compile_pass): Invoke function output_cpu_khz.
    * runtime/time.c : Use STAPCONF_CPU_KHZ.

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[Bug runtime/10493] runtime/time.c: need autoconf for cpu_khz

[fche at redhat dot com]

------- Additional Comments From fche at redhat dot com  2010-02-26 02:23 -------
committed

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


http://sourceware.org/bugzilla/show_bug.cgi?id=10493

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