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2025-05-02 - 12:43
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot7.osadl.org (updated Fri May 02, 2025 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1197505997718,59cyclictest1213222-21ntpq19:35:190
1197506997031,38cyclictest0-21swapper/119:25:181
119750599699,39cyclictest1088-21runrttasks23:22:500
1197505996627,20cyclictest1236315-21users20:15:270
1197505995839,19cyclictest0-21swapper/022:01:190
1197505995839,18cyclictest85250irq/35-eno1-TxRx-120:24:190
1197505995819,39cyclictest0-21swapper/020:06:550
1197505995815,20cyclictest1251793-21aten2.4-expect20:45:180
119750599580,39cyclictest1251509-21munin-run20:45:010
1197505995739,18cyclictest85250irq/35-eno1-TxRx-123:50:350
1197505995739,18cyclictest85250irq/35-eno1-TxRx-123:16:470
1197505995739,18cyclictest85250irq/35-eno1-TxRx-123:12:240
1197505995739,18cyclictest85250irq/35-eno1-TxRx-123:12:230
1197505995739,18cyclictest85250irq/35-eno1-TxRx-122:21:320
1197505995739,18cyclictest85250irq/35-eno1-TxRx-121:56:040
1197505995739,18cyclictest85250irq/35-eno1-TxRx-121:53:550
1197505995739,18cyclictest85250irq/35-eno1-TxRx-121:40:470
1197505995739,18cyclictest85250irq/35-eno1-TxRx-121:18:430
1197505995739,18cyclictest85250irq/35-eno1-TxRx-121:14:240
1197505995739,18cyclictest85250irq/35-eno1-TxRx-120:37:560
1197505995739,18cyclictest85250irq/35-eno1-TxRx-120:29:360
1197505995739,18cyclictest85250irq/35-eno1-TxRx-120:12:520
1197505995739,18cyclictest85250irq/35-eno1-TxRx-119:52:240
1197505995739,18cyclictest85250irq/35-eno1-TxRx-119:47:150
1197505995739,18cyclictest85250irq/35-eno1-TxRx-119:34:430
1197505995739,18cyclictest85250irq/35-eno1-TxRx-119:26:470
1197505995739,18cyclictest85250irq/35-eno1-TxRx-100:06:080
1197505995739,0cyclictest85250irq/35-eno1-TxRx-100:38:030
1197505995738,19cyclictest85250irq/35-eno1-TxRx-120:33:190
1197505995738,0cyclictest171ktimers/023:35:470
1197505995719,38cyclictest85250irq/35-eno1-TxRx-123:04:280
1197505995719,19cyclictest85250irq/35-eno1-TxRx-119:56:470
1197506995618,38cyclictest321rcuc/123:15:181
1197505995638,18cyclictest85250irq/35-eno1-TxRx-123:29:070
1197505995638,18cyclictest85250irq/35-eno1-TxRx-123:08:110
1197505995638,18cyclictest85250irq/35-eno1-TxRx-122:52:040
1197505995638,18cyclictest85250irq/35-eno1-TxRx-122:45:000
1197505995638,18cyclictest85250irq/35-eno1-TxRx-122:25:550
1197505995638,18cyclictest85250irq/35-eno1-TxRx-120:52:220
1197505995638,18cyclictest85250irq/35-eno1-TxRx-120:01:160
1197505995638,18cyclictest85250irq/35-eno1-TxRx-119:43:320
1197505995638,18cyclictest85250irq/35-eno1-TxRx-100:27:390
1197505995638,18cyclictest85250irq/35-eno1-TxRx-100:18:230
1197505995618,38cyclictest85250irq/35-eno1-TxRx-100:10:430
1197505995618,0cyclictest85250irq/35-eno1-TxRx-100:00:510
1197505995538,17cyclictest85250irq/35-eno1-TxRx-122:08:160
1197505995537,18cyclictest85250irq/35-eno1-TxRx-119:22:550
1197505995537,18cyclictest85250irq/35-eno1-TxRx-100:33:480
1197505995537,18cyclictest0-21swapper/023:33:080
119750599550,36cyclictest1350163-21/usr/sbin/munin23:40:180
1197505995436,18cyclictest85250irq/35-eno1-TxRx-120:59:070
1197505995436,18cyclictest0-21swapper/021:21:580
1197506995334,19cyclictest321rcuc/121:30:221
1197505995336,17cyclictest85250irq/35-eno1-TxRx-122:19:590
1197505995335,18cyclictest85250irq/35-eno1-TxRx-121:35:430
1197505995314,39cyclictest0-21swapper/022:31:120
1197505995313,40cyclictest0-21swapper/021:32:440
1197510995214,19cyclictest0-21swapper/520:25:185
1197506995234,18cyclictest0-21swapper/122:10:151
1197506995213,39cyclictest0-21swapper/100:30:171
1197505995213,39cyclictest0-21swapper/021:47:130
1197505995211,39cyclictest0-21swapper/022:59:570
1197511995113,19cyclictest0-21swapper/600:15:166
1197507995112,39cyclictest0-21swapper/200:10:182
1197505995133,18cyclictest85250irq/35-eno1-TxRx-122:38:270
1197505995112,39cyclictest0-21swapper/021:07:590
1197505995031,19cyclictest0-21swapper/022:46:190
1197505995012,19cyclictest0-21swapper/023:46:370
1197505994931,18cyclictest0-21swapper/021:26:450
1197505994910,39cyclictest0-21swapper/019:15:170
119750599489,39cyclictest0-21swapper/022:13:250
1197505994810,19cyclictest1262343-21fwupd21:03:380
119750699479,19cyclictest0-21swapper/119:40:231
119750799467,19cyclictest0-21swapper/221:35:202
119750599467,39cyclictest0-21swapper/023:56:180
119750799446,19cyclictest0-21swapper/222:40:162
119750799444,39cyclictest0-21swapper/221:45:192
1197505994425,19cyclictest0-21swapper/019:13:450
119750699435,19cyclictest0-21swapper/122:05:201
1197505994324,19cyclictest0-21swapper/000:20:230
119751099424,19cyclictest0-21swapper/522:45:185
1197511994122,19cyclictest0-21swapper/621:40:186
1197507994021,19cyclictest0-21swapper/221:25:212
119751099390,20cyclictest0-21swapper/522:05:195
1197507993921,0cyclictest0-21swapper/200:15:162
119750699390,39cyclictest34-21ksoftirqd/100:05:171
119751099380,19cyclictest0-21swapper/523:25:185
1197506993819,19cyclictest0-21swapper/123:10:181
1197506993819,19cyclictest0-21swapper/123:10:171
1197512993736,1cyclictest85150irq/34-eno1-TxRx-022:30:277
1197510993718,19cyclictest681rcuc/520:05:205
1197509993737,0cyclictest1338290-21kworker/4:1+events23:44:104
1197509993737,0cyclictest1227934-21kworker/4:2+events20:32:004
1197509993737,0cyclictest1200731-21kworker/4:1+events20:35:434
1197509993737,0cyclictest1200731-21kworker/4:1+events20:25:004
1197509993636,0cyclictest1329844-21kworker/4:0+events23:19:234
119750999360,35cyclictest0-21swapper/420:40:224
1197506993618,18cyclictest0-21swapper/122:20:171
119751199350,35cyclictest0-21swapper/620:40:226
119751199350,15cyclictest0-21swapper/620:50:206
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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