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2026-07-25 - 23:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 792 highest latencies:
System rack6slot5.osadl.org (updated Sat Jul 25, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66229995975065,4522cyclictest7758-21kworker/0:009:05:420
66229992264699,4517cyclictest15673-21kworker/0:207:38:420
66229991064640,4455cyclictest26538-21kworker/0:108:33:350
66229989484553,4385cyclictest7758-21kworker/0:009:14:400
66229987494465,4280cyclictest15673-21kworker/0:207:44:470
66229987044638,4055cyclictest26538-21kworker/0:108:04:110
66229983834231,4109cyclictest22080-21kworker/0:007:17:470
66229983404231,4058cyclictest15673-21kworker/0:207:49:160
66229978583972,3843cyclictest22080-21kworker/0:007:26:340
66229976984008,3676cyclictest22080-21kworker/0:007:14:140
66229976164140,3461cyclictest22080-21kworker/0:007:22:050
66229975904152,3425cyclictest26538-21kworker/0:108:24:160
66229975803835,3703cyclictest15673-21kworker/0:207:56:120
66229974753980,3453cyclictest8835-21kworker/0:209:53:380
66229972133896,3306cyclictest7758-21kworker/0:008:41:160
66229971713657,3500cyclictest7758-21kworker/0:009:04:070
66229970913832,3249cyclictest15673-21kworker/0:207:32:570
66229969863782,3194cyclictest15673-21kworker/0:207:50:520
66229967473661,3074cyclictest8835-21kworker/0:209:55:130
66229966173475,3099cyclictest26614-21kworker/0:209:23:380
66229965353558,2973cyclictest7758-21kworker/0:008:57:480
66229964073464,2929cyclictest26614-21kworker/0:209:38:380
66229959613238,2710cyclictest7758-21kworker/0:008:47:380
66229957282949,2768cyclictest26538-21kworker/0:108:25:520
66229954145369,33cyclictest26538-21kworker/0:108:16:410
66229952942837,2453cyclictest26538-21kworker/0:108:11:020
66229947822464,2307cyclictest26614-21kworker/0:209:25:130
66229945854528,44cyclictest26614-21kworker/0:209:40:300
66229939343840,81cyclictest26538-21kworker/0:108:09:270
66229936273543,71cyclictest7758-21kworker/0:008:39:420
59932779183,204sleep00-21swapper07:05:270
66229948936,440cyclictest29881-21ssh11:51:120
66229948734,439cyclictest19989-21diskmemload10:57:150
66229948532,439cyclictest19989-21diskmemload12:26:320
66229948532,439cyclictest19989-21diskmemload12:17:260
66229948434,437cyclictest19989-21diskmemload11:45:150
66229948432,439cyclictest19989-21diskmemload11:43:560
66229948034,424cyclictest19989-21diskmemload10:35:140
66229947131,380cyclictest19989-21diskmemload10:14:100
66229946132,369cyclictest22513-21ssh10:22:280
66229944322,237cyclictest0-21swapper10:33:150
66229941829,88cyclictest7101-21ssh11:00:380
66229941034,363cyclictest9632-21kworker/u2:211:19:420
66229940934,189cyclictest5197-21load09:45:310
66229940931,365cyclictest4924-21runrttasks10:41:570
66229940734,359cyclictest1122-21ssh10:46:510
66229940533,359cyclictest14595-21kworker/u2:210:07:580
66229940423,96cyclictest19989-21diskmemload11:30:140
66229940332,357cyclictest17436-21ssh11:24:280
66229940331,359cyclictest12-21rcu_preempt12:02:370
66229940232,357cyclictest19989-21diskmemload10:00:210
66229940231,204cyclictest24273-21apt-get09:17:140
66229940142,301cyclictest13-21rcuc/012:38:200
66229940015,88cyclictest19135-21runrttasks11:26:500
66229939615,90cyclictest10304-21ssh11:07:180
66229939540,342cyclictest14032-21kworker/u2:112:30:070
66229939531,349cyclictest19989-21diskmemload11:36:010
66229939432,348cyclictest7529-21ssh12:14:510
66229939421,359cyclictest19989-21diskmemload10:53:360
66229939238,340cyclictest19989-21diskmemload12:07:440
66229939037,340cyclictest19989-21diskmemload09:33:010
66229938936,340cyclictest19989-21diskmemload10:18:540
66229938836,352cyclictest0-21swapper11:11:550
66229938836,340cyclictest19989-21diskmemload10:28:140
66229938733,340cyclictest19989-21diskmemload12:23:420
66229938523,197cyclictest0-21swapper11:55:110
66229933132,299cyclictest0-21swapper08:50:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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