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2026-01-02 - 16:15
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri Jan 02, 2026 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152430,0ktimers/043151sleep07:07:160
1304504420,0irq/15-NE200053050irq/11-sym53c8xx10:34:070
1514390,0ktimers/0200871sleep10:54:400
1514300,0ktimers/030571sleep12:05:000
1514220,0ktimers/0257861chrt11:20:130
1513730,0ktimers/094691sleep10:05:130
1513720,0ktimers/0294611sleep09:09:020
530503690,0irq/11-sym53c8x130450irq/15-NE200009:30:360
1513640,0ktimers/0244191sleep11:14:360
1513530,0ktimers/056421sleep07:14:100
444299343193,0cyclictest12188-21grep07:49:160
530503400,0irq/11-sym53c8x130450irq/15-NE200008:34:560
530503320,0irq/11-sym53c8x130450irq/15-NE200010:48:540
444299323162,0cyclictest5515-21cron07:13:550
444299321147,0cyclictest30762-21open_inodes11:44:080
444299321136,0cyclictest7476-21munin-node12:25:380
444299320112,0cyclictest1657-21snmpd09:44:420
444299319133,0cyclictest29670-21sed11:39:040
444299317182,0cyclictest3850-21grep12:09:120
444299317152,0cyclictest27818-21grep09:00:170
444299315146,0cyclictest0-21swapper09:40:430
444299314229,0cyclictest5271-21missed_timers12:15:420
444299314200,0cyclictest0-21swapper11:59:130
444299314179,0cyclictest31431-21cat09:15:530
444299313179,0cyclictest26395-21ntpq08:54:250
444299312227,0cyclictest7363-21cat07:24:030
444299312227,0cyclictest16766-21aten_r3power_cu10:39:180
444299312167,0cyclictest7289-21ls07:23:550
444299310226,0cyclictest13880-21grep10:25:140
444299310147,0cyclictest22244-21chrt11:04:260
444299310132,0cyclictest973-21wc09:25:320
444299309156,0cyclictest21068-21grep08:29:490
444299307158,0cyclictest0-21swapper10:31:430
1513060,0ktimers/0192241sleep08:20:290
444299305228,0cyclictest895-21jbd2/sda1-808:49:030
444299303148,0cyclictest0-21swapper08:00:430
444299300158,0cyclictest8612-21chrt07:29:380
444299300154,0cyclictest32527-21chrt09:20:480
444299299175,0cyclictest7879-21sh09:58:540
444299299171,0cyclictest0-21swapper10:09:100
444299299155,0cyclictest8357-21sort10:00:060
444299298142,0cyclictest0-21swapper08:44:100
444299297166,0cyclictest9687-21apt-get07:34:340
1512960,0ktimers/0235851sleep11:10:070
444299293172,0cyclictest48-21kswapd009:34:360
444299293165,0cyclictest19920-21chrt08:24:410
444299291156,0cyclictest48-21kswapd009:09:320
444299290209,0cyclictest18947-21tr10:49:180
444299290151,0cyclictest27439-21chrt11:28:540
444299290148,0cyclictest11640-21wc07:45:360
444299290135,0cyclictest0-21swapper11:55:530
444299287166,0cyclictest1657-21snmpd08:10:580
444299286155,0cyclictest12233-21munin-run10:18:560
444299286150,0cyclictest6179-21sort09:50:060
444299286147,0cyclictest31477-21missed_timers11:45:410
444299286127,0cyclictest8931-21munin-node12:34:040
444299285144,0cyclictest8009-21chrt12:29:300
444299284151,0cyclictest32144-21aten_r3power_vo11:49:570
444299284137,0cyclictest16177-21timerwakeupswit08:05:470
444299282152,0cyclictest5748-21aten_r3power_cu12:19:140
444299281187,0cyclictest13485-21grep07:54:570
444299281127,0cyclictest17978-21nfs_client08:15:130
444299278152,0cyclictest27672-21apt-get11:29:260
444299278149,0cyclictest23580-21wc08:40:260
444299275176,0cyclictest13318-21cron10:23:530
444299271157,0cyclictest21357-21sed11:00:010
444299263148,0cyclictest34-1kworker/0:1H+kblockd07:39:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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