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<p class="MsoNormal"><span style="font-size:11.0pt">Hi folks at crash-utility,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I’m just hoping that this address still reaches you who support the crash utility.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I am having difficulty digging trace entries out of an ARM (aarch64) dump.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I’m not sure whether the problem is in /sys/kernel/debug/trace or in the trace-cmd command.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Just using trace-cmd extract, then this hangs:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"># ./trace-cmd report<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">trace-cmd: No such file or directory<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> [vmscan:mm_vmscan_writepage] function __builtin_constant_p not defined<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> [scsi:scsi_dispatch_cmd_timeout] function scsi_trace_parse_cdb not defined<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> [scsi:scsi_dispatch_cmd_start] function scsi_trace_parse_cdb not defined<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> [scsi:scsi_dispatch_cmd_error] function scsi_trace_parse_cdb not defined<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> [scsi:scsi_dispatch_cmd_done] function scsi_trace_parse_cdb not defined<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> [ras:mc_event] function mc_event_error_type not defined<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">^Ctrace-cmd: Received SIGINT<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I have put debugging printf’s in trace-cmd and find it is hanging trying to parse entries in trace.dat.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">This works okay on an x86_64 system at the same level.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The OS: # uname -a<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Linux panda-aarch 5.3.18-24.46_6.0.29…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The trace-cmd is built from source, branch trace-cmd-stable-v2.6, which is the latest version I could successfully build.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Do you have any report of a problem with trace and trace-cmd specifically on aarch64?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-Cliff Wickman<o:p></o:p></span></p>
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