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2026-04-09 - 12:11
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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 100 highest latencies:
System rack7slot0.osadl.org (updated Thu Apr 09, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650610,0irq/26-eth1-rx-0-21swapper/119:06:591
120650600,0irq/26-eth1-rx-0-21swapper/319:06:053
2042024521,0sleep00-21swapper/019:08:150
112750450,0irq/25-eth00-21swapper/219:06:482
2063799150,0cyclictest0-21swapper/323:40:153
2063499150,0cyclictest0-21swapper/019:35:180
20637991413,0cyclictest0-21swapper/323:25:093
20636991413,0cyclictest0-21swapper/222:34:112
2063599140,0cyclictest0-21swapper/123:31:061
20634991411,0cyclictest0-21swapper/023:18:510
2063499140,0cyclictest0-21swapper/021:34:400
1599140,0watchdog/00-21swapper/022:53:090
41130,0ktimersoftd/00-21swapper/021:28:500
20637991312,0cyclictest0-21swapper/300:32:013
20637991311,0cyclictest0-21swapper/321:55:363
20637991310,0cyclictest21939-21sshd00:04:393
2063799130,0cyclictest0-21swapper/321:33:033
20636991312,0cyclictest4166-21hddtemp_smartct20:50:142
20636991312,0cyclictest12538-21diskmemload23:55:162
20636991312,0cyclictest0-21swapper/222:20:012
20636991312,0cyclictest0-21swapper/221:12:452
20636991311,0cyclictest112750irq/25-eth020:25:272
20635991311,0cyclictest0-21swapper/123:53:311
2063599130,0cyclictest9371-21sshd23:10:391
2063599130,0cyclictest0-21swapper/122:55:331
20634991312,0cyclictest15653-21sshd22:48:110
2063499130,0cyclictest17073-21bash00:32:090
2063499130,0cyclictest0-21swapper/022:02:180
351120,0ktimersoftd/30-21swapper/300:10:353
20637991211,0cyclictest7555-21sshd23:20:033
20637991211,0cyclictest27082-21sshd21:16:313
20637991211,0cyclictest12865-21bash22:10:133
20637991211,0cyclictest0-21swapper/323:47:343
20637991211,0cyclictest0-21swapper/322:50:043
20637991211,0cyclictest0-21swapper/322:18:503
20637991210,0cyclictest5229-21sshd23:57:203
20637991210,0cyclictest0-21swapper/320:20:123
2063799120,0cyclictest0-21swapper/322:57:373
2063799120,0cyclictest0-21swapper/322:37:393
20636991211,0cyclictest0-21swapper/222:54:242
20636991211,0cyclictest0-21swapper/221:38:112
20636991211,0cyclictest0-21swapper/200:25:162
2063699120,0cyclictest12607-21sshd22:57:052
2063699120,0cyclictest12538-21diskmemload21:47:302
2063699120,0cyclictest0-21swapper/222:46:502
2063699120,0cyclictest0-21swapper/200:15:152
20635991211,0cyclictest8286-21sshd00:30:481
20635991211,0cyclictest23032-21sshd00:28:231
20635991211,0cyclictest14547-21sshd23:20:531
20635991211,0cyclictest0-21swapper/123:43:321
20635991211,0cyclictest0-21swapper/123:25:591
20635991211,0cyclictest0-21swapper/123:05:331
20635991211,0cyclictest0-21swapper/122:04:341
20635991211,0cyclictest0-21swapper/121:41:481
20635991210,0cyclictest8806-21sshd21:27:501
20635991210,0cyclictest12185-21bash23:58:241
20635991210,0cyclictest0-21swapper/123:15:461
20635991210,0cyclictest0-21swapper/121:11:411
2063599120,0cyclictest0-21swapper/122:23:371
20634991212,0cyclictest0-21swapper/019:25:000
20634991212,0cyclictest0-21swapper/000:39:420
20634991211,0cyclictest2331-21sshd23:23:580
20634991211,0cyclictest0-21swapper/022:16:280
20634991211,0cyclictest0-21swapper/022:06:560
20634991211,0cyclictest0-21swapper/021:13:380
20634991210,0cyclictest21382-21sshd22:58:250
2063499120,0cyclictest0-21swapper/022:40:380
2063499120,0cyclictest0-21swapper/022:30:530
2063499120,0cyclictest0-21swapper/020:40:210
112750120,0irq/25-eth016360-21rt-features23:35:180
112750120,0irq/25-eth00-21swapper/223:11:492
112750120,0irq/25-eth00-21swapper/023:14:340
41110,0ktimersoftd/00-21swapper/022:20:150
351110,0ktimersoftd/30-21swapper/322:20:153
20637991111,0cyclictest0-21swapper/323:12:303
20637991111,0cyclictest0-21swapper/323:00:043
20637991111,0cyclictest0-21swapper/322:07:063
20637991111,0cyclictest0-21swapper/321:10:163
20637991111,0cyclictest0-21swapper/319:25:243
20637991111,0cyclictest0-21swapper/300:21:573
20637991110,0cyclictest6568-21sshd22:32:463
20637991110,0cyclictest19111-21sshd23:50:013
20637991110,0cyclictest0-21swapper/323:35:093
20636991111,0cyclictest0-21swapper/223:45:172
20636991111,0cyclictest0-21swapper/223:22:242
20636991111,0cyclictest0-21swapper/223:17:172
20636991110,0cyclictest7465-21sshd23:43:342
20636991110,0cyclictest24912-21bash22:02:362
20636991110,0cyclictest19814-21bash22:39:272
20636991110,0cyclictest19730-21bash22:25:172
20636991110,0cyclictest19730-21bash22:25:172
20636991110,0cyclictest0-21swapper/223:35:052
20636991110,0cyclictest0-21swapper/221:42:512
20636991110,0cyclictest0-21swapper/221:28:552
20636991110,0cyclictest0-21swapper/220:30:282
2063699110,0cyclictest0-21swapper/200:07:422
2063599119,0cyclictest0-21swapper/121:06:501
20635991111,0cyclictest12538-21diskmemload00:08:231
20635991111,0cyclictest0-21swapper/122:37:461
20635991111,0cyclictest0-21swapper/121:23:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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