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2026-08-06 - 08:51
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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 Thu Aug 06, 2026 00:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120215998584,1cyclictest0-21swapper/121:25:141
120218995839,19cyclictest0-21swapper/421:05:184
120218995617,39cyclictest61-21ksoftirqd/422:05:154
120217995638,18cyclictest781-21mta-sts-daemon23:02:333
120217995618,19cyclictest213565-21munin-run22:00:013
120217995617,38cyclictest140662-21sed19:45:173
120217995617,20cyclictest224163-21taskset22:17:353
120217995517,19cyclictest238847-21cstates22:45:153
120218995315,19cyclictest0-21swapper/423:05:154
120219995214,19cyclictest0-21swapper/522:45:165
120218995214,19cyclictest0-21swapper/422:50:164
120217995230,21cyclictest0-21swapper/300:40:013
120216995233,19cyclictest0-21swapper/219:35:152
120215995214,19cyclictest0-21swapper/100:15:171
120216995112,19cyclictest0-21swapper/222:55:152
120215995113,38cyclictest0-21swapper/123:45:141
120216995010,39cyclictest0-21swapper/222:35:162
120215995012,19cyclictest0-21swapper/122:45:181
120220994911,19cyclictest0-21swapper/619:40:206
120218994930,19cyclictest0-21swapper/420:45:154
120215994911,19cyclictest0-21swapper/123:15:151
120215994911,19cyclictest0-21swapper/119:20:151
120216994810,18cyclictest0-21swapper/200:35:162
120214994810,19cyclictest0-21swapper/023:20:150
120215994628,18cyclictest0-21swapper/100:10:141
12021699457,19cyclictest0-21swapper/221:45:172
12021699456,38cyclictest0-21swapper/222:50:162
12021899435,19cyclictest0-21swapper/421:00:154
12021699422,39cyclictest0-21swapper/220:55:172
12021499424,19cyclictest0-21swapper/019:30:140
12021599414,18cyclictest0-21swapper/122:15:151
12021799400,39cyclictest218475-21sed22:05:233
12021699402,19cyclictest0-21swapper/223:25:152
120216994021,19cyclictest0-21swapper/222:20:172
12021699401,19cyclictest0-21swapper/200:25:142
12021799390,39cyclictest0-21swapper/323:51:383
12021799390,39cyclictest0-21swapper/323:07:393
12021799390,39cyclictest0-21swapper/320:51:433
12021799390,39cyclictest0-21swapper/320:30:193
12021799390,39cyclictest0-21swapper/320:22:113
12021799390,39cyclictest0-21swapper/320:22:103
12021799390,39cyclictest0-21swapper/320:00:203
12021799390,39cyclictest0-21swapper/319:10:393
12021799390,39cyclictest0-21swapper/300:05:333
12021799390,38cyclictest0-21swapper/321:17:533
12021799390,19cyclictest0-21swapper/300:30:183
12021699390,39cyclictest43-21ksoftirqd/222:05:162
120215993920,19cyclictest0-21swapper/120:15:151
12021599391,19cyclictest0-21swapper/122:10:161
12021599390,39cyclictest0-21swapper/121:50:161
12021599390,20cyclictest0-21swapper/122:30:161
120214993920,19cyclictest0-21swapper/021:35:160
120221993837,0cyclictest238304-21kworker/7:2+events00:30:117
12021899380,19cyclictest591rcuc/422:30:164
120217993819,19cyclictest873-21mta-sts-daemon19:33:443
12021799380,38cyclictest0-21swapper/323:59:253
12021799380,38cyclictest0-21swapper/323:42:273
12021799380,38cyclictest0-21swapper/323:19:323
12021799380,38cyclictest0-21swapper/322:31:583
12021799380,38cyclictest0-21swapper/322:24:143
12021799380,38cyclictest0-21swapper/322:02:233
12021799380,38cyclictest0-21swapper/321:52:333
12021799380,38cyclictest0-21swapper/320:56:273
12021799380,38cyclictest0-21swapper/320:41:313
12021799380,38cyclictest0-21swapper/320:25:403
12021799380,38cyclictest0-21swapper/320:05:433
12021799380,38cyclictest0-21swapper/319:52:533
12021799380,38cyclictest0-21swapper/319:23:083
12021799380,38cyclictest0-21swapper/300:03:163
12021799380,37cyclictest0-21swapper/323:35:053
12021799380,19cyclictest0-21swapper/322:10:183
12021799380,18cyclictest224814-21kworker/u32:1+flush-8:023:10:373
12021799380,18cyclictest0-21swapper/321:46:523
12021799380,18cyclictest0-21swapper/321:14:453
12021699380,19cyclictest0-21swapper/223:35:162
12021699380,19cyclictest0-21swapper/220:25:162
120221993737,0cyclictest119678-21kworker/7:0+events22:04:117
120218993719,18cyclictest0-21swapper/423:00:164
120217993718,19cyclictest198802-21ntpq21:30:213
120217993718,19cyclictest0-21swapper/321:21:413
12021799370,37cyclictest0-21swapper/323:33:013
12021799370,37cyclictest0-21swapper/323:29:413
12021799370,37cyclictest0-21swapper/322:55:313
12021799370,37cyclictest0-21swapper/322:40:333
12021799370,37cyclictest0-21swapper/321:36:383
12021799370,37cyclictest0-21swapper/319:57:213
12021799370,37cyclictest0-21swapper/319:44:303
12021799370,37cyclictest0-21swapper/319:15:573
12021799370,37cyclictest0-21swapper/300:27:153
12021799370,37cyclictest0-21swapper/300:11:213
12021799370,36cyclictest0-21swapper/300:18:093
12021799370,18cyclictest0-21swapper/319:37:433
12021799370,17cyclictest0-21swapper/322:27:453
12021799370,17cyclictest0-21swapper/321:28:533
12021799370,17cyclictest0-21swapper/320:37:093
12021799370,17cyclictest0-21swapper/300:24:533
12021799370,17cyclictest0-21swapper/300:24:533
12021699370,18cyclictest0-21swapper/222:25:142
12021499370,18cyclictest0-21swapper/021:50:160
120221993636,0cyclictest119678-21kworker/7:0+events20:28:477
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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