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2026-09-08 - 11:51
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot7.osadl.org (updated Tue Sep 08, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21621224592216,94sleep00-21swapper18:58:430
218719917221,28cyclictest13335-21irqstats22:41:570
218719917122,30cyclictest3396-21ntp_states23:47:110
218719917020,26cyclictest30075-21apt-get23:31:000
218719916837,23cyclictest28913-21switchtime21:52:170
218719916642,104cyclictest27009-21sh23:21:380
218719916520,29cyclictest8162-21irqstats22:26:510
218719916518,41cyclictest11606-21irqstats22:36:510
218719916410,128cyclictest7097-21grep20:36:440
218719916318,24cyclictest11285-21fw_conntrack21:01:430
218719916318,22cyclictest1043-21apt-get23:41:030
218719916316,40cyclictest1771-21users22:07:300
218719916243,98cyclictest18067-21sh00:30:310
218719916237,20cyclictest19717-21wc23:00:450
218719916227,19cyclictest0-21swapper21:50:050
218719916216,40cyclictest15968-21munin-run21:15:420
218719916216,36cyclictest16083-21apt-get21:15:580
218719916216,25cyclictest13474-21fw_conntrack00:16:410
218719916215,22cyclictest4291-21apt-get22:16:010
218719916214,28cyclictest2665-21aten_r5power_en22:11:100
218719916143,23cyclictest23029-21missed_timers19:05:530
218719916117,24cyclictest10799-21ssh22:34:310
218719916117,23cyclictest4501-21apt-get23:50:580
218719916115,22cyclictest18344-21memory21:22:050
218719916115,19cyclictest31784-21apt-get23:36:060
218719916113,127cyclictest31949-21fw_conntrack22:01:450
218719916040,18cyclictest5983-21diskmemload22:20:470
218719916019,38cyclictest16700-21fw_conntrack22:51:380
218719916018,24cyclictest23072-21munin-run23:10:430
218719916016,37cyclictest20695-21users23:02:320
218719916014,125cyclictest15250-21irqstats00:21:510
218719916012,40cyclictest24921-21apt-get23:15:510
21871991598,126cyclictest24594-21wc19:16:060
218719915926,37cyclictest23619-21wget19:11:020
218719915921,29cyclictest30204-21memory19:46:290
218719915918,41cyclictest24799-21munin-run23:15:420
218719915918,23cyclictest10171-21memory00:07:000
218719915916,22cyclictest28345-21apt-get23:25:580
218719915914,122cyclictest6903-21wc23:57:140
218719915913,21cyclictest11375-21apt-get00:10:590
218719915833,25cyclictest9904-21sort20:55:420
218719915826,35cyclictest0-21swapper21:34:020
218719915821,28cyclictest24938-21df21:41:220
218719915814,40cyclictest31607-21/usr/sbin/munin19:56:510
218719915813,40cyclictest30188-21df_abs21:56:290
218719915733,30cyclictest14855-21df22:46:230
218719915731,29cyclictest0-21swapper00:05:240
218719915718,35cyclictest21968-21apt-get19:01:000
218719915710,59cyclictest10505-21grep20:56:410
218719915641,24cyclictest28928-21aten_r5power_cu19:41:010
218719915617,40cyclictest20488-21users21:27:380
218719915537,23cyclictest8551-21latency20:46:250
218719915537,23cyclictest2944-21cpuspeed20:16:050
218719915534,21cyclictest12627-21apt-get21:06:050
218719915520,26cyclictest30711-21apt-get19:50:540
218719915418,36cyclictest23323-21df_inode21:36:330
218719915413,41cyclictest27588-21ntp_states19:31:340
218719915411,38cyclictest28009-21apt-get19:35:540
21871991539,40cyclictest5091-21grep20:26:400
218719915318,45cyclictest5476-21apt-get20:30:580
218719915315,24cyclictest25586-21fw_conntrack19:21:200
218719915219,29cyclictest7472-21df20:41:090
218719915217,35cyclictest26601-21memory19:26:300
218719915216,36cyclictest1868-21/usr/sbin/munin20:10:480
218719915215,22cyclictest3664-21apt-get20:20:570
218719914937,21cyclictest32760-21df_abs20:01:120
218719914811,24cyclictest1154-21grep20:06:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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