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2026-04-24 - 10:15
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Fri Apr 24, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207742232158,26sleep30-21swapper/319:06:023
208932221157,24sleep10-21swapper/119:07:331
208522215149,23sleep20-21swapper/219:07:022
208752213149,50sleep00-21swapper/019:07:200
206612620,1sleep32117299cyclictest23:24:393
21162580,0sleep30-21swapper/319:35:143
179302540,0sleep20-21swapper/221:55:182
136402180,0sleep20-21swapper/222:32:072
2116499144,7cyclictest10442-21kworker/2:022:17:362
2116499130,12cyclictest0-21swapper/223:44:442
21164991212,0cyclictest28-21ksoftirqd/223:12:302
21164991212,0cyclictest28-21ksoftirqd/221:17:252
21164991211,1cyclictest28-21ksoftirqd/222:09:592
21164991210,1cyclictest28-21ksoftirqd/200:05:142
21155991211,1cyclictest9-21ksoftirqd/023:54:590
21155991210,1cyclictest9-21ksoftirqd/021:45:000
21155991210,1cyclictest9-21ksoftirqd/000:15:000
21172991110,1cyclictest35-21ksoftirqd/322:55:003
21172991110,1cyclictest35-21ksoftirqd/321:40:013
21164991111,0cyclictest28-21ksoftirqd/200:29:092
21164991111,0cyclictest28-21ksoftirqd/200:18:062
21164991110,1cyclictest28-21ksoftirqd/223:15:172
21164991110,1cyclictest28-21ksoftirqd/222:00:152
21164991110,1cyclictest28-21ksoftirqd/200:00:232
2117299100,9cyclictest0-21swapper/322:38:013
2116499109,1cyclictest28-21ksoftirqd/223:35:462
2116499109,1cyclictest28-21ksoftirqd/223:05:142
2116499109,1cyclictest28-21ksoftirqd/221:27:192
2116499109,1cyclictest28-21ksoftirqd/200:20:122
2116499108,1cyclictest28-21ksoftirqd/223:20:102
2116499108,1cyclictest28-21ksoftirqd/222:40:202
2116499108,1cyclictest28-21ksoftirqd/222:30:012
2116499108,1cyclictest28-21ksoftirqd/219:25:002
2116499108,1cyclictest28-21ksoftirqd/200:10:142
2116499106,2cyclictest28-21ksoftirqd/221:37:592
2116499103,2cyclictest10442-21kworker/2:022:20:142
21164991010,0cyclictest28-21ksoftirqd/221:30:142
21164991010,0cyclictest28-21ksoftirqd/221:13:372
21164991010,0cyclictest0-21swapper/223:32:132
2116499101,6cyclictest28-21ksoftirqd/222:53:582
2115599108,1cyclictest9-21ksoftirqd/023:35:210
2115599108,1cyclictest9-21ksoftirqd/022:20:130
2115599108,1cyclictest9-21ksoftirqd/021:25:180
2115599100,6cyclictest11845-21ssh22:30:150
211729999,0cyclictest0-21swapper/322:00:523
211729998,1cyclictest35-21ksoftirqd/323:15:013
211729998,1cyclictest35-21ksoftirqd/322:45:003
211729998,1cyclictest35-21ksoftirqd/319:50:013
211729990,3cyclictest0-21swapper/323:55:123
211649999,0cyclictest28-21ksoftirqd/223:25:552
211649998,1cyclictest28-21ksoftirqd/223:55:142
211649998,1cyclictest28-21ksoftirqd/223:54:552
211649998,1cyclictest28-21ksoftirqd/222:10:172
211649997,1cyclictest28-21ksoftirqd/220:15:122
211599990,1cyclictest0-21swapper/123:50:111
211559998,1cyclictest9-21ksoftirqd/023:30:130
211559998,1cyclictest9-21ksoftirqd/000:20:000
211559997,1cyclictest9-21ksoftirqd/023:00:130
211559997,1cyclictest9-21ksoftirqd/021:00:120
211559997,1cyclictest9-21ksoftirqd/000:25:130
211559997,1cyclictest9-21ksoftirqd/000:05:160
211559997,0cyclictest9-21ksoftirqd/022:14:590
211559994,1cyclictest17576-21sh21:55:170
211559990,4cyclictest23525-21cat19:14:590
9628280,1sleep10-21swapper/123:10:041
9442280,1sleep29682-21tr21:00:122
211729987,1cyclictest35-21ksoftirqd/322:00:013
211729986,1cyclictest35-21ksoftirqd/320:20:003
211729986,1cyclictest23808-21cat20:20:163
211729986,1cyclictest17998-21snmpd20:43:253
211729986,1cyclictest16527-21cat20:05:153
211649988,0cyclictest28-21ksoftirqd/223:01:092
211649988,0cyclictest28-21ksoftirqd/200:39:262
211649987,1cyclictest61650irq/122-eno121:46:252
211649987,1cyclictest28-21ksoftirqd/221:43:152
211649987,1cyclictest28-21ksoftirqd/221:24:532
211649987,1cyclictest28-21ksoftirqd/220:10:112
211649986,1cyclictest28-21ksoftirqd/222:45:192
211649986,1cyclictest28-21ksoftirqd/219:40:162
211599980,4cyclictest0-21swapper/121:55:151
211599980,2cyclictest0-21swapper/121:30:121
211559987,1cyclictest9-21ksoftirqd/023:55:140
211559987,1cyclictest9-21ksoftirqd/023:45:190
211559987,1cyclictest9-21ksoftirqd/023:20:000
211559987,1cyclictest9-21ksoftirqd/023:10:180
211559987,1cyclictest9-21ksoftirqd/022:35:140
211559987,1cyclictest9-21ksoftirqd/020:40:120
211559987,1cyclictest24564-21ssh21:22:040
211559986,1cyclictest9-21ksoftirqd/021:50:140
211559986,1cyclictest17998-21snmpd19:33:560
211559984,4cyclictest9-21ksoftirqd/021:38:060
211559982,1cyclictest30140-21/usr/sbin/munin21:30:170
211559981,6cyclictest5921-21ssh23:05:120
211559980,8cyclictest0-21swapper/019:40:130
211559980,7cyclictest2394-21ssh22:17:260
211559980,1cyclictest15012-21ssh21:10:170
211729976,1cyclictest35-21ksoftirqd/323:20:013
211729976,1cyclictest35-21ksoftirqd/322:25:003
211729976,1cyclictest35-21ksoftirqd/321:11:583
211729976,1cyclictest17998-21snmpd23:33:043
211729976,1cyclictest17998-21snmpd21:04:243
211729976,1cyclictest17998-21snmpd20:11:093
211729976,1cyclictest17998-21snmpd00:31:213
211729976,0cyclictest35-21ksoftirqd/323:00:003
211729975,1cyclictest35-21ksoftirqd/323:50:003
211729975,1cyclictest35-21ksoftirqd/323:35:133
211729975,1cyclictest35-21ksoftirqd/319:15:003
211729975,1cyclictest27664-21cat19:20:123
211729975,1cyclictest27400-21ssh22:07:493
211729975,1cyclictest24358-21ssh22:45:213
211729975,1cyclictest17998-21snmpd22:14:053
211729975,1cyclictest17998-21snmpd21:06:293
211729975,1cyclictest17998-21snmpd20:58:503
211729975,1cyclictest17998-21snmpd20:46:263
211729975,1cyclictest17998-21snmpd19:43:293
211729974,1cyclictest240-21systemd-journal00:10:003
211729973,2cyclictest18976-21latency21:15:173
211729971,4cyclictest13851-21diskmemload23:05:433
211729971,3cyclictest240-21systemd-journal21:50:003
211729971,3cyclictest0-21swapper/322:15:223
211729971,3cyclictest0-21swapper/300:15:173
211729970,7cyclictest0-21swapper/300:36:113
211729970,4cyclictest0-21swapper/323:00:173
211649976,1cyclictest61650irq/122-eno122:55:132
211649976,1cyclictest28-21ksoftirqd/223:45:412
211649976,1cyclictest28-21ksoftirqd/221:50:172
211649976,1cyclictest28-21ksoftirqd/220:50:012
211649976,1cyclictest28-21ksoftirqd/200:30:162
211649976,1cyclictest10442-21kworker/2:021:05:142
211649975,1cyclictest28-21ksoftirqd/222:35:152
211649975,1cyclictest28-21ksoftirqd/219:50:152
211649975,1cyclictest28-21ksoftirqd/219:30:132
211649973,1cyclictest0-21swapper/220:30:102
211649972,2cyclictest9467-21nscd20:50:122
211649972,2cyclictest240-21systemd-journal20:40:002
211599971,6cyclictest0-21swapper/119:52:541
211599970,4cyclictest0-21swapper/123:55:211
211599970,4cyclictest0-21swapper/123:05:141
211599970,1cyclictest0-21swapper/123:16:141
211599970,1cyclictest0-21swapper/120:52:261
211559977,0cyclictest9-21ksoftirqd/000:00:140
211559976,1cyclictest9-21ksoftirqd/023:25:130
211559976,1cyclictest9-21ksoftirqd/021:00:000
211559976,1cyclictest9-21ksoftirqd/020:15:120
211559976,1cyclictest9-21ksoftirqd/019:15:130
211559976,1cyclictest30504-21telnet00:20:130
211559975,1cyclictest9-21ksoftirqd/020:25:150
211559975,1cyclictest29142-21/usr/sbin/munin19:25:120
211559975,1cyclictest0-21swapper/000:30:110
211559973,1cyclictest24087-21ntp_offset20:20:180
211559970,7cyclictest0-21swapper/021:15:110
211559970,6cyclictest9672-21chrt22:26:370
211559970,6cyclictest3300-21sshd19:36:590
211559970,6cyclictest27745-21cut20:30:110
211559970,6cyclictest23118-21ls22:45:150
211559970,6cyclictest13851-21diskmemload23:20:020
211559970,6cyclictest0-21swapper/019:55:160
211559970,6cyclictest0-21swapper/019:55:150
211559970,6cyclictest0-21swapper/019:24:120
211559970,1cyclictest485-21ssh23:40:130
211559970,1cyclictest21081-21aten_r1power_vo22:00:130
211559970,1cyclictest20785-21sshd22:40:230
211559970,1cyclictest13851-21diskmemload00:35:140
211559970,1cyclictest11645-21ssh21:46:430
1824270,0sleep30-21swapper/323:40:263
13037270,0sleep10-21swapper/122:30:271
211729966,0cyclictest35-21ksoftirqd/323:25:133
211729965,1cyclictest9774-21ssh22:26:533
211729965,1cyclictest9758-21ssh23:51:293
211729965,1cyclictest3862-21ssh00:26:213
211729965,1cyclictest35-21ksoftirqd/321:30:003
211729965,1cyclictest35-21ksoftirqd/321:20:143
211729965,1cyclictest32032-21ssh21:30:383
211729965,1cyclictest17998-21snmpd20:35:193
211729965,1cyclictest17998-21snmpd19:33:153
211729965,1cyclictest17976-21ssh00:03:063
211729965,1cyclictest15103-21ssh21:50:473
211729965,1cyclictest11202-21ssh22:30:103
211729964,1cyclictest24800-21ssh00:11:053
211729963,1cyclictest35-21ksoftirqd/320:00:013
211729963,1cyclictest35-21ksoftirqd/320:00:003
211729962,4cyclictest9069-21ssh21:45:003
211729961,2cyclictest27638-21apt-get20:30:113
211729960,1cyclictest26191-21irqstats20:25:163
211729960,1cyclictest0-21swapper/300:20:123
211649966,0cyclictest61650irq/122-eno120:43:212
211649966,0cyclictest61650irq/122-eno120:20:192
211649966,0cyclictest61650irq/122-eno119:35:102
211649966,0cyclictest61650irq/122-eno119:10:212
211649966,0cyclictest28-21ksoftirqd/220:04:212
211649966,0cyclictest28-21ksoftirqd/219:15:002
211649965,1cyclictest28-21ksoftirqd/219:45:102
211649965,1cyclictest28-21ksoftirqd/219:25:112
211649964,1cyclictest28-21ksoftirqd/220:25:142
211649964,1cyclictest28-21ksoftirqd/220:05:142
211649964,1cyclictest28-21ksoftirqd/219:55:162
211649964,1cyclictest28-21ksoftirqd/219:55:152
211649961,1cyclictest0-21swapper/220:55:112
211599963,0cyclictest0-21swapper/120:30:011
211599962,2cyclictest0-21swapper/119:50:001
211599962,1cyclictest3694-21chrt00:25:521
211599961,5cyclictest0-21swapper/122:11:441
211599961,2cyclictest0-21swapper/100:11:221
211599961,1cyclictest0-21swapper/122:50:001
211599960,6cyclictest0-21swapper/123:49:471
211599960,6cyclictest0-21swapper/123:40:381
211599960,6cyclictest0-21swapper/123:35:271
211599960,6cyclictest0-21swapper/122:28:131
211599960,6cyclictest0-21swapper/122:17:531
211599960,6cyclictest0-21swapper/122:00:101
211599960,6cyclictest0-21swapper/121:35:101
211599960,6cyclictest0-21swapper/121:12:091
211599960,6cyclictest0-21swapper/119:11:011
211599960,5cyclictest0-21swapper/119:25:531
211599960,4cyclictest0-21swapper/121:25:121
211599960,4cyclictest0-21swapper/121:20:581
211599960,4cyclictest0-21swapper/100:05:111
211599960,3cyclictest0-21swapper/121:49:121
211599960,3cyclictest0-21swapper/120:41:241
211599960,3cyclictest0-21swapper/100:00:221
211599960,2cyclictest0-21swapper/123:20:191
211599960,2cyclictest0-21swapper/120:10:111
211559965,1cyclictest9-21ksoftirqd/020:35:140
211559965,1cyclictest11732-21/usr/sbin/munin21:05:200
211559964,1cyclictest9-21ksoftirqd/020:00:120
211559964,1cyclictest0-21swapper/022:50:110
211559960,6cyclictest0-21swapper/020:50:010
211559960,6cyclictest0-21swapper/020:05:220
211559960,6cyclictest0-21swapper/019:49:540
211559960,5cyclictest2360-21telnet20:45:130
211559960,5cyclictest17991-21apt-get20:10:120
211559960,5cyclictest0-21swapper/019:50:120
211559960,2cyclictest0-21swapper/022:55:040
211559960,0cyclictest0-21swapper/022:05:130
211729954,1cyclictest35-21ksoftirqd/319:15:133
211729953,1cyclictest17998-21snmpd19:27:203
211729953,1cyclictest13284-21apt-get20:00:103
211729951,2cyclictest0-21swapper/319:50:163
211599955,0cyclictest0-21swapper/121:01:251
211599952,2cyclictest0-21swapper/122:09:591
211599952,1cyclictest0-21swapper/100:15:101
211599951,3cyclictest0-21swapper/119:40:111
211599950,5cyclictest0-21swapper/123:01:501
211599950,5cyclictest0-21swapper/122:58:011
211599950,5cyclictest0-21swapper/122:36:161
211599950,5cyclictest0-21swapper/100:31:201
211599950,4cyclictest0-21swapper/121:07:291
211599950,3cyclictest0-21swapper/122:41:451
211599950,3cyclictest0-21swapper/120:45:111
211599950,2cyclictest0-21swapper/123:25:161
211599950,0cyclictest0-21swapper/122:22:291
211599950,0cyclictest0-21swapper/120:55:131
211599950,0cyclictest0-21swapper/120:15:331
211729944,0cyclictest17998-21snmpd20:50:043
211599944,0cyclictest0-21swapper/119:58:541
211599944,0cyclictest0-21swapper/119:58:541
211599941,3cyclictest0-21swapper/119:34:501
211599941,1cyclictest0-21swapper/121:40:111
211599941,1cyclictest0-21swapper/119:20:081
211599940,4cyclictest0-21swapper/120:36:191
211599940,4cyclictest0-21swapper/120:25:191
211599940,4cyclictest0-21swapper/119:15:021
211599940,4cyclictest0-21swapper/100:38:241
211599940,3cyclictest0-21swapper/121:50:071
211599940,2cyclictest0-21swapper/123:34:041
211599940,2cyclictest0-21swapper/122:53:421
211599940,2cyclictest0-21swapper/120:00:111
211599940,2cyclictest0-21swapper/100:20:111
211599940,1cyclictest0-21swapper/121:16:311
211599940,1cyclictest0-21swapper/120:20:121
211599940,1cyclictest0-21swapper/120:05:221
211599931,1cyclictest0-21swapper/119:35:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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