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</o:shapelayout></xml><![endif]--></head><body lang=SV link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>That would be a possibility but I prefer if crash can calculate the correct number of cpus itself.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>If we just want to set the number of cpus to the number of cpus present, then the function “get_cpus_present()” could probably be used.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Jan<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.5pt'><b><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:black'>Jan Karlsson</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Senior Software Engineer<o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>System Assurance<o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'><o:p> </o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'>Sony Mobile Communications<o:p></o:p></span></b></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'>Tel: +46 703 062 174<o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'><a href="mailto:Firstname.Lastname@sonymobile.com">jan.karlsson@sonymobile.com</a><o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'><o:p> </o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.5pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://sonymobile.com/"><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#002AFF'>sonymobile.com</span></a></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.5pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.5pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img border=0 width=84 height=15 id="Picture_x0020_1" src="cid:image001.gif@01CFE870.B85827C0" alt="Sony logotype_23px height_Email_144dpi"></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#002AFF'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> crash-utility-bounces@redhat.com [mailto:crash-utility-bounces@redhat.com] <b>On Behalf Of </b>Arun KS<br><b>Sent:</b> den 15 oktober 2014 11:57<br><b>To:</b> Discussion list for crash utility usage, maintenance and development<br><b>Subject:</b> Re: [Crash-utility] FW: Number of cpus on ARM<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hello Jan,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Can you try with option --cpus=4 passed when your start the crash.<o:p></o:p></p></div><div><p class=MsoNormal>I used 4 here because i have 4 cores.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal>Arun<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Wed, Oct 15, 2014 at 2:49 PM, Karlsson, Jan <<a href="mailto:Jan.Karlsson@sonymobile.com" target="_blank">Jan.Karlsson@sonymobile.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Hi</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'>Unfortunately I found another older example where my patch below did not work.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'>In that one only cpu 0 where online but 0,1,2,3 where active. So maybe:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> return MAX(get_cpus_active(), get_highest_cpu_online()+1);</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'>might work better. Someone with better knowledge about this than I have should look at the problem.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'>Jan</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'> </span><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-family:"Arial","sans-serif";color:black'>Jan Karlsson</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Senior Software Engineer</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>System Assurance</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'>Sony Mobile Communications</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'>Tel: +46 703 062 174</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'><a href="mailto:Firstname.Lastname@sonymobile.com" target="_blank">jan.karlsson@sonymobile.com</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'><a href="http://sonymobile.com/" target="_blank"><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#002AFF'>sonymobile.com</span></a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'><img border=0 width=84 height=15 id="_x0000_i1025" src="cid:image001.gif@01CFE870.B85827C0" alt="Sony logotype_23px height_Email_144dpi"></span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Karlsson, Jan <br><b>Sent:</b> den 15 oktober 2014 10:49<br><b>To:</b> Discussion list for crash utility usage, maintenance and development<br><b>Subject:</b> </span><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Hi</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>I have seen a problem when it comes to the number of cpus for ARM (32-bits).</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>static int</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>arm_get_smp_cpus(void)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>{</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> return MAX(get_cpus_active(), get_cpus_online());</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>}</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>In one of my example, “help –k” gives me:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> cpu_possible_map: 0 1 2 3 </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> cpu_present_map: 0 1 2 3 </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> cpu_online_map: 0 3 </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> cpu_active_map: 3 </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>So the number of cpus will become 2. However there are code in a number of places that will then only accept cpu 0 and 1 as cpus to handle.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>When I changed to code to be the same as for ARM64 things worked as expected:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>static int</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>arm_get_smp_cpus(void)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>{</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> return MAX(get_cpus_online(), get_highest_cpu_online()+1);</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>}</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Jan</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-family:"Arial","sans-serif";color:black'>Jan Karlsson</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Senior Software Engineer</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>System Assurance</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'>Sony Mobile Communications</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'>Tel: +46 703 062 174</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'><a href="mailto:Firstname.Lastname@sonymobile.com" target="_blank">jan.karlsson@sonymobile.com</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:10.5pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'><a href="http://sonymobile.com/" target="_blank"><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#002AFF'>sonymobile.com</span></a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'><img border=0 width=84 height=15 id="_x0000_i1026" src="cid:image001.gif@01CFE870.B85827C0" alt="Sony logotype_23px height_Email_144dpi"></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal><br>--<br>Crash-utility mailing list<br><a href="mailto:Crash-utility@redhat.com">Crash-utility@redhat.com</a><br><a href="https://www.redhat.com/mailman/listinfo/crash-utility" target="_blank">https://www.redhat.com/mailman/listinfo/crash-utility</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>