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2026-03-25 - 21:57
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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 376 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Wed Mar 25, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151240,0ktimers/0157361sleep07:08:420
1514660,0ktimers/0266821sleep11:00:250
1514600,0ktimers/0155701sleep09:46:430
1514420,0ktimers/0294951sleep11:18:440
1514320,0ktimers/0203991sleep07:30:230
525504270,0irq/11-sym53c8x130250irq/15-NE200009:20:260
1302504210,0irq/15-NE200052550irq/11-sym53c8xx11:42:130
525504180,0irq/11-sym53c8x130250irq/15-NE200010:13:290
525504090,0irq/11-sym53c8x130250irq/15-NE200011:38:270
1514030,0ktimers/0249061sleep10:49:570
1670499388185,0cyclictest3376-21syslogd10:28:300
1670499384170,0cyclictest17782-21pluginstate07:18:380
525503830,0irq/11-sym53c8x130250irq/15-NE200011:53:400
1513830,0ktimers/0273931sleep11:06:170
525503800,0irq/11-sym53c8x130250irq/15-NE200010:44:000
1670499378186,0cyclictest5570-21kworker/u4:1+flush-8:012:23:400
1670499371188,0cyclictest30073-21munin-run11:23:370
525503700,0irq/11-sym53c8x130250irq/15-NE200008:59:020
1670499359176,0cyclictest27427-21chrt08:04:280
1670499353161,0cyclictest10525-21munin-node12:43:460
525503520,0irq/11-sym53c8x130250irq/15-NE200012:28:270
1670499352200,0cyclictest2990-21runrttasks08:44:110
1670499348187,0cyclictest6192-21ssh12:18:300
1670499347203,0cyclictest3566-21cron08:13:280
1670499342177,0cyclictest29525-21sshd08:14:110
1670499342169,0cyclictest26367-21basename07:59:260
1670499342132,0cyclictest25764-21sort10:54:500
1670499336205,0cyclictest0-21swapper09:08:470
1670499336186,0cyclictest22620-21ssh10:33:520
1670499336168,0cyclictest12211-21latency_hist09:28:540
1670499336143,0cyclictest13565-21grep09:35:380
1302503360,0irq/15-NE200052550irq/11-sym53c8xx11:10:090
1670499330173,0cyclictest24229-21aten_r3power_vo07:49:300
1670499329174,0cyclictest34-1kworker/0:1H+kblockd12:33:550
1670499329167,0cyclictest17945-21munin-node08:23:410
1670499329157,0cyclictest9266-21diskmemload11:48:320
1670499328190,0cyclictest21006-21awk07:34:320
1670499328159,0cyclictest23911-21cat07:48:380
1670499328148,0cyclictest23551-21sh10:40:140
1513280,0ktimers/019281sleep08:38:280
1670499327188,0cyclictest2683-21chrt11:54:120
1670499326182,0cyclictest20672-21nfs_client10:20:510
1670499326176,0cyclictest17945-21munin-node09:54:280
1670499325179,0cyclictest894-21jbd2/sda1-811:23:580
1670499325145,0cyclictest11861-21sendmail-mta12:13:380
1670499325122,0cyclictest4300-21ssh12:07:460
1670499324180,0cyclictest2793-21chrt08:43:440
1670499324143,0cyclictest11449-21sshd09:24:500
1670499323177,0cyclictest3876-21ls12:03:560
1670499321147,0cyclictest18530-21date07:23:420
1670499321144,0cyclictest14879-21rm09:43:460
1670499321141,0cyclictest5271-21aten_r3power_vo08:54:260
1670499319145,0cyclictest22495-21sh10:33:300
1670499318191,0cyclictest31529-21munin-node08:25:160
1670499318157,0cyclictest4089-21chrt08:49:030
1670499317133,0cyclictest18760-21ssh10:07:540
1670499316192,0cyclictest17988-21chrt07:19:000
1670499316140,0cyclictest19872-21chrt10:16:500
1302503150,0irq/15-NE200052550irq/11-sym53c8xx07:40:250
1670499314178,0cyclictest17758-21ssh09:59:060
1670499314164,0cyclictest7783-21munin-node12:29:140
1670499314145,0cyclictest7682-21awk09:04:580
1670499314137,0cyclictest31199-21ssh11:29:260
1670499313172,0cyclictest25068-21mailstats07:53:430
1670499313145,0cyclictest15983-21ssh09:49:140
1670499312137,0cyclictest9863-21grep09:15:460
1670499305136,0cyclictest368-21awk08:29:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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