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2026-04-24 - 01:37
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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 rack3slot0.osadl.org (updated Fri Apr 24, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85382880,0sleep51-21systemd21:44:425
265582750,1sleep233-21ksoftirqd/223:29:552
195642710,2sleep32519099cyclictest21:50:483
248022570,0sleep10-21swapper/122:56:141
322602520,0sleep60-21swapper/622:28:486
217862510,0sleep20-21swapper/222:52:222
2495625038,8sleep70-21swapper/719:09:107
302792490,0sleep4758-21runrttasks21:29:114
290002490,1sleep2311rcuc/221:36:302
112352490,1sleep7721-21dbus-daemon22:53:407
110092490,0sleep50-21swapper/522:29:275
226632470,0sleep50-21swapper/522:02:125
207312460,0sleep60-21swapper/623:05:166
2488424534,8sleep20-21swapper/219:08:092
2473324533,9sleep50-21swapper/519:06:115
240022450,0sleep50-21swapper/522:48:495
232052450,0sleep40-21swapper/423:44:394
209502450,0sleep50-21swapper/500:29:255
314812440,0sleep50-21swapper/521:32:565
229342440,0sleep70-21swapper/723:29:447
229342440,0sleep70-21swapper/723:29:447
156482440,0sleep60-21swapper/623:23:426
122862440,0sleep412278-21sshd22:50:004
256192430,0sleep50-21swapper/523:39:115
142522430,0sleep50-21swapper/521:54:195
327062420,0sleep70-21swapper/722:58:367
287242420,0sleep10-21swapper/121:49:341
287242420,0sleep10-21swapper/121:49:341
249282420,0sleep60-21swapper/621:11:436
158892420,0sleep50-21swapper/523:40:235
65662410,0sleep70-21swapper/723:41:457
287482410,1sleep128737-21bash21:30:521
27012410,0sleep50-21swapper/521:23:515
237082410,2sleep12517899cyclictest23:35:141
17892410,0sleep70-21swapper/722:36:187
159512410,0sleep40-21swapper/421:35:444
121742410,2sleep22518599cyclictest22:03:292
2496124027,9sleep30-21swapper/319:09:143
324172390,0sleep10-21swapper/122:36:121
272462390,0sleep7663-21in:imjournal23:48:347
2494423927,8sleep60-21swapper/619:09:016
2478923926,9sleep00-21swapper/019:06:540
2478423928,8sleep40-21swapper/419:06:504
314542380,0sleep10-21swapper/100:35:291
2479423827,8sleep10-21swapper/119:06:551
25178992214,3cyclictest25-21ksoftirqd/122:32:261
25178992214,3cyclictest25-21ksoftirqd/122:32:261
2517899208,3cyclictest25-21ksoftirqd/121:16:441
2517899208,1cyclictest25-21ksoftirqd/100:18:541
2517899206,1cyclictest25-21ksoftirqd/123:27:001
2517899206,1cyclictest25-21ksoftirqd/123:27:001
25178992015,3cyclictest25-21ksoftirqd/122:49:121
2517899199,1cyclictest25-21ksoftirqd/123:30:381
2517899197,1cyclictest25-21ksoftirqd/121:35:141
2517899196,2cyclictest25-21ksoftirqd/100:21:451
2517899196,1cyclictest25-21ksoftirqd/121:22:371
2517899195,1cyclictest25-21ksoftirqd/121:44:451
25178991915,3cyclictest25-21ksoftirqd/122:10:111
25178991914,3cyclictest25-21ksoftirqd/100:31:571
2518599180,17cyclictest24402-21kworker/2:023:29:162
2518599180,17cyclictest24402-21kworker/2:023:29:162
2517899188,2cyclictest131rcu_sched21:56:021
2517899187,3cyclictest25-21ksoftirqd/123:45:071
2517899187,1cyclictest25-21ksoftirqd/100:01:031
2517899186,3cyclictest25-21ksoftirqd/100:10:551
2517899185,4cyclictest25-21ksoftirqd/122:09:131
2517899185,2cyclictest25-21ksoftirqd/123:02:431
25178991816,1cyclictest25-21ksoftirqd/123:20:141
25178991816,1cyclictest25-21ksoftirqd/122:50:051
25178991814,1cyclictest25-21ksoftirqd/122:20:401
25178991813,3cyclictest25-21ksoftirqd/122:16:471
25178991812,4cyclictest25-21ksoftirqd/121:52:001
197332180,0sleep60-21swapper/621:39:466
2517899175,1cyclictest131rcu_sched23:51:221
25178991715,1cyclictest25-21ksoftirqd/122:25:001
25178991715,1cyclictest25-21ksoftirqd/100:05:581
25178991714,1cyclictest25-21ksoftirqd/123:41:071
25178991713,3cyclictest25-21ksoftirqd/123:05:501
25178991713,1cyclictest25-21ksoftirqd/123:55:051
25178991711,4cyclictest25-21ksoftirqd/123:12:241
2517899171,1cyclictest25-21ksoftirqd/100:28:041
91692160,0sleep5561ktimersoftd/522:05:085
257392160,1sleep2311rcuc/223:48:292
25202991613,2cyclictest1-21systemd22:11:245
25202991611,3cyclictest57-21ksoftirqd/522:42:035
2518599160,16cyclictest0-21swapper/222:06:472
25178991614,1cyclictest25-21ksoftirqd/122:41:041
25178991613,1cyclictest25-21ksoftirqd/121:13:231
2517899161,3cyclictest25-21ksoftirqd/121:25:071
2517899161,1cyclictest25-21ksoftirqd/122:02:341
2517899161,1cyclictest131rcu_sched23:17:241
25173991615,1cyclictest9-21ksoftirqd/000:20:210
112102160,1sleep233-21ksoftirqd/223:57:022
98762150,0sleep70-21swapper/700:10:047
25212991510,1cyclictest73-21ksoftirqd/700:37:207
25207991513,1cyclictest65-21ksoftirqd/623:29:206
25207991513,1cyclictest65-21ksoftirqd/623:29:206
25202991513,2cyclictest31048-21sshd21:59:015
25195991511,1cyclictest49-21ksoftirqd/423:19:144
25173991513,1cyclictest9-21ksoftirqd/021:53:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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