<meta http-equiv="Content-Type" content="text/html; charset=GB18030"><div>Hi,</div><div><br></div><div>The version of my lttng is: lttng (LTTng Trace Control) 2.10.7 - KeKriek.</div><div><br></div><div>The output of "<span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">lttng add-context --list" is as follows:</span></div><div><blockquote formatblock="1" style="margin: 0.8em 0px 0.8em 2em; padding: 0px 0px 0px 0.7em; border-left: 2px solid rgb(221, 221, 221);">pid<br>procname<br>prio<br>nice<br>vpid<br>tid<br>pthread_id<br>vtid<br>ppid<br>vppid<br>hostname<br>ip<br>interruptible<br>preemptible<br>need_reschedule<br>migratable<br>perf:cpu:cpu-cycles<br>perf:cpu:cycles<br>perf:cpu:stalled-cycles-frontend<br>perf:cpu:idle-cycles-frontend<br>perf:cpu:stalled-cycles-backend<br>perf:cpu:idle-cycles-backend<br>perf:cpu:instructions<br>perf:cpu:cache-references<br>perf:cpu:cache-misses<br>perf:cpu:branch-instructions<br>perf:cpu:branches<br>perf:cpu:branch-misses<br>perf:cpu:bus-cycles<br>perf:cpu:L1-dcache-loads<br>perf:cpu:L1-dcache-load-misses<br>perf:cpu:L1-dcache-stores<br>perf:cpu:L1-dcache-store-misses<br>perf:cpu:L1-dcache-prefetches<br>perf:cpu:L1-dcache-prefetch-misses<br>perf:cpu:L1-icache-loads<br>perf:cpu:L1-icache-load-misses<br>perf:cpu:L1-icache-stores<br>perf:cpu:L1-icache-store-misses<br>perf:cpu:L1-icache-prefetches<br>perf:cpu:L1-icache-prefetch-misses<br>perf:cpu:LLC-loads<br>perf:cpu:LLC-load-misses<br>perf:cpu:LLC-stores<br>perf:cpu:LLC-store-misses<br>perf:cpu:LLC-prefetches<br>perf:cpu:LLC-prefetch-misses<br>perf:cpu:dTLB-loads<br>perf:cpu:dTLB-load-misses<br>perf:cpu:dTLB-stores<br>perf:cpu:dTLB-store-misses<br>perf:cpu:dTLB-prefetches<br>perf:cpu:dTLB-prefetch-misses<br>perf:cpu:iTLB-loads<br>perf:cpu:iTLB-load-misses<br>perf:cpu:branch-loads<br>perf:cpu:branch-load-misses<br>perf:cpu:cpu-clock<br>perf:cpu:task-clock<br>perf:cpu:page-fault<br>perf:cpu:faults<br>perf:cpu:major-faults<br>perf:cpu:minor-faults<br>perf:cpu:context-switches<br>perf:cpu:cs<br>perf:cpu:cpu-migrations<br>perf:cpu:migrations<br>perf:cpu:alignment-faults<br>perf:cpu:emulation-faults<br>perf:thread:cpu-cycles<br>perf:thread:cycles<br>perf:thread:stalled-cycles-frontend<br>perf:thread:idle-cycles-frontend<br>perf:thread:stalled-cycles-backend<br>perf:thread:idle-cycles-backend<br>perf:thread:instructions<br>perf:thread:cache-references<br>perf:thread:cache-misses<br>perf:thread:branch-instructions<br>perf:thread:branches<br>perf:thread:branch-misses<br>perf:thread:bus-cycles<br>perf:thread:L1-dcache-loads<br>perf:thread:L1-dcache-load-misses<br>perf:thread:L1-dcache-stores<br>perf:thread:L1-dcache-store-misses<br>perf:thread:L1-dcache-prefetches<br>perf:thread:L1-dcache-prefetch-misses<br>perf:thread:L1-icache-loads<br>perf:thread:L1-icache-load-misses<br>perf:thread:L1-icache-stores<br>perf:thread:L1-icache-store-misses<br>perf:thread:L1-icache-prefetches<br>perf:thread:L1-icache-prefetch-misses<br>perf:thread:LLC-loads<br>perf:thread:LLC-load-misses<br>perf:thread:LLC-stores<br>perf:thread:LLC-store-misses<br>perf:thread:LLC-prefetches<br>perf:thread:LLC-prefetch-misses<br>perf:thread:dTLB-loads<br>perf:thread:dTLB-load-misses<br>perf:thread:dTLB-stores<br>perf:thread:dTLB-store-misses<br>perf:thread:dTLB-prefetches<br>perf:thread:dTLB-prefetch-misses<br>perf:thread:iTLB-loads<br>perf:thread:iTLB-load-misses<br>perf:thread:branch-loads<br>perf:thread:branch-load-misses<br>perf:thread:cpu-clock<br>perf:thread:task-clock<br>perf:thread:page-fault<br>perf:thread:faults<br>perf:thread:major-faults<br>perf:thread:minor-faults<br>perf:thread:context-switches<br>perf:thread:cs<br>perf:thread:cpu-migrations<br>perf:thread:migrations<br>perf:thread:alignment-faults<br>perf:thread:emulation-faults</blockquote></div><div><div><br></div><div>Thanks,</div><div>Serica</div><div><br></div><div style="font-size: 12px;font-family: Arial Narrow;padding:2px 0 2px 0;">------------------ 原始邮件 ------------------</div><div style="font-size: 12px; background: rgb(239, 239, 239); padding: 8px; --darkreader-inline-bgimage: initial; --darkreader-inline-bgcolor:#282723;" data-darkreader-inline-bgimage="" data-darkreader-inline-bgcolor=""><div><b>发件人:</b>                                                                                                                        "Mathieu Desnoyers"                                                                                    <mathieu.desnoyers@efficios.com>;</div><div><b>发送时间:</b> 2020年12月29日(星期二) 中午11:58</div><div><b>收件人:</b> "Serica"<serica_law@qq.com>;<wbr></div><div><b>抄送:</b> "lttng-dev"<lttng-dev@lists.lttng.org>;<wbr></div><div><b>主题:</b> Re: [lttng-dev] Enamebling namespace contexts</div></div><div><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); --darkreader-inline-color:#fffddd;" data-darkreader-inline-color=""><div><span id="zwchr" data-marker="__DIVIDER__">----- On Dec 23, 2020, at 9:55 PM, lttng-dev <lttng-dev@lists.lttng.org> wrote:<br></span></div><div data-marker="__QUOTED_TEXT__"><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px; color: rgb(0, 0, 0); font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica, Arial, sans-serif; font-size: 12pt; --darkreader-inline-border-left:#100f62; --darkreader-inline-color:#fffddd;" data-darkreader-inline-border-left="" data-darkreader-inline-color=""><div><div>Hi,</div><br><div>ThI found that lttng is working on container awareness in this slides: https://archive.fosdem.org/2019/schedule/event/containers_lttng/attachments/slides/3419/export/events/attachments/containers_lttng/slides/3419/lttng_containers_fosdem19.pdf</div><br><div>On page #13, there is a command:  lttng add-context -k -t procname -t pid -t vpid -t tid -t vtid -t pid_ns, where pid_ns and other namespace identifiers are very useful for tracing containers. However, it seems like that lttng of current version doesn't support adding context pid_ns(Error: Unknown context type pid_ns). Do you know how to enable these features?</div></div></blockquote><div>What version of LTTng do you use (output of "lttng --version"), and what is the output of "lttng add-context --list" ?<br></div><div><br data-mce-bogus="1"></div><div>Thanks,<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Mathieu<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px; color: rgb(0, 0, 0); font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica, Arial, sans-serif; font-size: 12pt; --darkreader-inline-border-left:#100f62; --darkreader-inline-color:#fffddd;" data-darkreader-inline-border-left="" data-darkreader-inline-color=""><div><br><div>Thanks a lot.</div><div>Btw, have a nice holiday!</div><br><div>Serica</div></div><br>_______________________________________________<br>lttng-dev mailing list<br>lttng-dev@lists.lttng.org<br>https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev<br></blockquote></div><div><br></div><div data-marker="__SIG_POST__">-- <br></div><div>Mathieu Desnoyers<br>EfficiOS Inc.<br>http://www.efficios.com</div></div></div>