Re: [Powertop] segfault on Sheevaplug (ARM Kirkwood)
Rui DaCosta <ruidc at yahoo.com> Tue, 22 May 2012 14:58:21 -0700
| Newsgroups | dev.linux.lists.powertop |
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| Message-ID | <[email protected]> |
nothing exists below /sys/kernel/debug does the kernel need to be built with debug flags? or a switch flicked on somewhere? ________________________________ From: Thomas Spura <thomas.spura(a)googlemail.com> To: Rui DaCosta <ruidc(a)yahoo.com> Cc: powertop(a)lists.01.org Sent: Tuesday, 22 May 2012, 22:50 Subject: Re: [Powertop] segfault on Sheevaplug (ARM Kirkwood) On Sun, May 20, 2012 at 11:19 AM, Rui DaCosta <ruidc(a)yahoo.com> wrote: > > Sure and thanks, > (v1.13 worked fine btw) > Processor : Feroceon 88FR131 rev 1 (v5l) > BogoMIPS : 1191.11 > Features : swp half thumb fastmult edsp > CPU implementer : 0x56 > CPU architecture: 5TE > CPU variant : 0x2 > CPU part : 0x131 > CPU revision : 1 > > Hardware : Marvell SheevaPlug Reference Board > Revision : 0000 > Serial : 0000000000000000 Here perf is trying to open this file: /sys/kernel/debug/tracing/events/power/cpu_frequency/id with the old version it was: /sys/kernel/debug/tracing/events/vfs/dirty_inode/id (which doesn't exist here anymore) Could you please look which files of those two exist on your arm device? Greetings, Tom
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<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span>nothing exists below /sys/kernel/debug<br>does the kernel need to be built with debug flags? or a switch flicked on somewhere?<br></span></div><div><br></div> <div style="font-size: 12pt; font-family: "times new roman", "new york", "times", serif"> <div style="font-size: 12pt; font-family: "times new roman", "new york", "times", serif"> <div dir="ltr"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Thomas Spura <[email protected]><br> <b><span style="font-weight: bold;">To:</span></b> Rui DaCosta <[email protected]> <br><b><span style="font-weight: bold;">Cc:</span></b> [email protected] <br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, 22 May 2012, 22:50<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [Powertop] segfault on Sheevaplug (ARM Kirkwood)<br> </font> </div> <br>On Sun, May 20, 2012 at 11:19 AM, Rui DaCosta <<a ymailto="mailto:[email protected]" href="mailto:[email protected]">[email protected]</a>> wrote:<br>><br>> Sure and thanks,<br>> (v1.13 worked fine btw)<br>> Processor : Feroceon 88FR131 rev 1 (v5l)<br>> BogoMIPS : 1191.11<br>> Features : swp half thumb fastmult edsp<br>> CPU implementer : 0x56<br>> CPU architecture: 5TE<br>> CPU variant : 0x2<br>> CPU part : 0x131<br>> CPU revision : 1<br>><br>> Hardware : Marvell SheevaPlug Reference Board<br>> Revision : 0000<br>> Serial : 0000000000000000<br><br>Here perf is trying to open this file:<br>/sys/kernel/debug/tracing/events/power/cpu_frequency/id<br>with the old version it was:<br>/sys/kernel/debug/tracing/events/vfs/dirty_inode/id<br>(which doesn't exist here anymore)<br><br>Could you please look which files of those two exist on your arm device?<br><br>Greetings,<br> Tom<br><br><br> </div> </div> </div></body></html>