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2026-03-30 - 03:34
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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 highest latencies:
System rack1slot1.osadl.org (updated Mon Mar 30, 2026 00:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129272229157,25sleep20-21swapper/219:07:502
130082205148,43sleep00-21swapper/019:08:530
128612201163,24sleep30-21swapper/319:06:593
128792197160,24sleep10-21swapper/119:07:131
206522730,0sleep20-21swapper/200:15:162
19442730,0sleep20-21swapper/221:45:122
65372680,0sleep30-21swapper/323:15:143
131392640,1sleep21318199cyclictest21:18:422
13181992019,1cyclictest28-21ksoftirqd/220:25:012
13181992018,1cyclictest28-21ksoftirqd/219:25:002
13181991918,1cyclictest28-21ksoftirqd/221:55:182
169682180,0sleep10-21swapper/121:23:131
13181991717,0cyclictest28-21ksoftirqd/220:15:152
13181991716,1cyclictest28-21ksoftirqd/221:40:142
169922160,0sleep20-21swapper/222:05:112
13181991616,0cyclictest28-21ksoftirqd/223:59:132
13181991616,0cyclictest28-21ksoftirqd/223:59:132
13181991616,0cyclictest28-21ksoftirqd/200:23:262
13181991515,0cyclictest28-21ksoftirqd/223:46:352
13181991515,0cyclictest28-21ksoftirqd/223:21:062
13181991515,0cyclictest28-21ksoftirqd/223:16:172
13181991515,0cyclictest28-21ksoftirqd/222:46:252
13181991515,0cyclictest28-21ksoftirqd/222:44:092
13181991515,0cyclictest28-21ksoftirqd/222:14:092
13181991515,0cyclictest28-21ksoftirqd/221:52:312
13181991515,0cyclictest28-21ksoftirqd/200:01:032
13181991514,1cyclictest28-21ksoftirqd/223:41:542
13181991514,1cyclictest28-21ksoftirqd/222:26:242
13181991514,1cyclictest28-21ksoftirqd/221:11:222
13181991514,1cyclictest28-21ksoftirqd/220:40:002
13181991513,1cyclictest28-21ksoftirqd/220:10:182
13181991513,1cyclictest28-21ksoftirqd/220:10:182
13181991414,0cyclictest28-21ksoftirqd/223:53:132
13181991414,0cyclictest28-21ksoftirqd/223:31:252
13181991414,0cyclictest28-21ksoftirqd/223:08:322
13181991414,0cyclictest28-21ksoftirqd/223:03:552
13181991414,0cyclictest28-21ksoftirqd/200:36:122
13181991413,1cyclictest28-21ksoftirqd/221:21:512
13181991413,0cyclictest28-21ksoftirqd/221:37:562
13188991311,1cyclictest35-21ksoftirqd/320:20:013
13181991313,0cyclictest28-21ksoftirqd/223:37:162
13181991313,0cyclictest28-21ksoftirqd/222:52:102
13181991313,0cyclictest28-21ksoftirqd/222:33:382
13181991313,0cyclictest28-21ksoftirqd/222:22:352
13181991313,0cyclictest28-21ksoftirqd/221:33:462
13181991313,0cyclictest28-21ksoftirqd/221:26:142
13181991313,0cyclictest28-21ksoftirqd/200:33:052
13181991313,0cyclictest28-21ksoftirqd/200:12:292
13181991311,1cyclictest28-21ksoftirqd/223:00:002
13181991311,1cyclictest28-21ksoftirqd/222:36:032
13181991311,1cyclictest28-21ksoftirqd/220:50:002
13181991310,2cyclictest14817-21switchtime19:10:202
1317699130,13cyclictest0-21swapper/119:55:391
1317699130,12cyclictest0-21swapper/119:50:171
13175991311,1cyclictest9-21ksoftirqd/000:00:010
13175991311,1cyclictest9-21ksoftirqd/000:00:000
1318199128,1cyclictest28-21ksoftirqd/220:25:132
1318199125,6cyclictest28-21ksoftirqd/223:10:112
13181991212,0cyclictest28-21ksoftirqd/223:25:162
13181991212,0cyclictest28-21ksoftirqd/222:04:142
13181991211,1cyclictest28-21ksoftirqd/222:15:192
13181991211,1cyclictest28-21ksoftirqd/220:54:592
13181991210,1cyclictest28-21ksoftirqd/219:55:002
13181991210,1cyclictest28-21ksoftirqd/219:45:002
13181991210,1cyclictest28-21ksoftirqd/219:35:002
13181991210,1cyclictest28-21ksoftirqd/219:15:012
1317699128,4cyclictest0-21swapper/122:22:451
1317699120,0cyclictest0-21swapper/123:41:071
13175991210,1cyclictest9-21ksoftirqd/022:20:010
13175991210,1cyclictest9-21ksoftirqd/021:45:000
13175991210,1cyclictest9-21ksoftirqd/019:25:010
1318899110,4cyclictest16897-21apt-get22:05:113
1318899110,4cyclictest0-21swapper/321:25:153
1318199119,1cyclictest28-21ksoftirqd/221:00:212
1318199119,1cyclictest28-21ksoftirqd/220:55:162
1318199119,1cyclictest28-21ksoftirqd/220:40:112
1318199119,1cyclictest28-21ksoftirqd/220:30:152
1318199119,1cyclictest28-21ksoftirqd/219:45:122
1318199119,1cyclictest28-21ksoftirqd/219:25:212
1318199113,7cyclictest28-21ksoftirqd/220:00:142
13181991110,1cyclictest28-21ksoftirqd/221:05:122
13181991110,1cyclictest28-21ksoftirqd/219:55:102
13181991110,1cyclictest28-21ksoftirqd/200:25:112
1317599119,1cyclictest9-21ksoftirqd/021:34:590
1317599112,4cyclictest20478-21sed22:10:010
1318899100,4cyclictest0-21swapper/320:35:103
1318199109,1cyclictest28-21ksoftirqd/219:35:112
1318199108,1cyclictest28-21ksoftirqd/220:05:142
1318199108,1cyclictest28-21ksoftirqd/200:05:082
1317699106,4cyclictest21-21ksoftirqd/100:25:531
1317599108,1cyclictest9-21ksoftirqd/022:45:140
1317599108,1cyclictest9-21ksoftirqd/000:30:120
1317599108,1cyclictest9-21ksoftirqd/000:15:160
131889998,1cyclictest35-21ksoftirqd/319:34:383
131889990,5cyclictest31366-21apt-get00:30:123
131889990,5cyclictest0-21swapper/300:05:123
131769995,4cyclictest56-21kworker/1:119:12:261
131769995,4cyclictest21-21ksoftirqd/122:45:101
131769995,0cyclictest21-21ksoftirqd/122:56:221
131759998,1cyclictest9-21ksoftirqd/023:35:120
131759998,1cyclictest9-21ksoftirqd/020:35:000
131759998,1cyclictest9-21ksoftirqd/000:10:140
131759997,1cyclictest9-21ksoftirqd/000:25:200
131759997,1cyclictest9-21ksoftirqd/000:00:120
131759994,5cyclictest9-21ksoftirqd/022:35:120
131759990,8cyclictest0-21swapper/000:35:150
131759990,5cyclictest1537-21/usr/sbin/munin21:45:110
3694280,0sleep10-21swapper/121:05:121
131889986,1cyclictest35-21ksoftirqd/319:41:373
131889982,3cyclictest21821-21expr23:35:133
131889981,6cyclictest19606-21apt-get20:30:133
131889980,6cyclictest26064-21apt-get19:35:103
131889980,4cyclictest0-21swapper/323:21:573
131889980,3cyclictest0-21swapper/320:05:103
131889980,2cyclictest0-21swapper/323:57:373
131889980,2cyclictest0-21swapper/323:57:373
131769988,0cyclictest21-21ksoftirqd/123:45:121
131769988,0cyclictest21-21ksoftirqd/121:30:141
131769988,0cyclictest21-21ksoftirqd/121:15:211
131769986,1cyclictest21-21ksoftirqd/123:05:161
131769980,7cyclictest0-21swapper/119:15:111
131759988,0cyclictest9-21ksoftirqd/023:00:000
131759987,1cyclictest9-21ksoftirqd/023:15:140
131759987,1cyclictest9-21ksoftirqd/020:10:140
131759987,1cyclictest9-21ksoftirqd/020:10:140
131759984,3cyclictest31350-1kworker/u9:222:27:140
131759983,2cyclictest240-21systemd-journal21:25:000
131759981,6cyclictest15964-21cat00:10:010
131759980,7cyclictest31700-21irqstats19:45:170
131759980,7cyclictest18740-21ntp_states23:30:170
131759980,7cyclictest12278-21ssh21:16:320
131759980,7cyclictest0-21swapper/020:40:110
131759980,1cyclictest3016-21ssh23:51:520
131759980,1cyclictest0-21swapper/022:50:170
131889975,1cyclictest9676-21ssh21:14:573
131889975,1cyclictest5406-21ssh00:37:353
131889975,1cyclictest18536-21ssh22:48:553
131889975,1cyclictest16957-21cat00:10:153
131889975,1cyclictest14503-21ssh22:43:243
131889971,4cyclictest21159-21apt-get19:25:133
131889971,3cyclictest5828-21diskmemload21:35:043
131889971,3cyclictest0-21swapper/300:15:103
131889970,6cyclictest4187-21ssh23:54:593
131889970,6cyclictest0-21swapper/322:50:093
131889970,4cyclictest5828-21diskmemload22:32:373
131889970,4cyclictest26542-21ps23:40:193
131889970,4cyclictest0-21swapper/321:49:193
131889970,2cyclictest561-21nscd23:01:423
131769977,0cyclictest21-21ksoftirqd/123:21:281
131769977,0cyclictest21-21ksoftirqd/120:00:201
131769973,4cyclictest56-21kworker/1:100:37:051
131769971,3cyclictest0-21swapper/120:30:151
131769970,7cyclictest0-21swapper/122:34:011
131769970,5cyclictest0-21swapper/121:25:311
131769970,4cyclictest0-21swapper/123:55:201
131769970,4cyclictest0-21swapper/123:55:201
131769970,0cyclictest0-21swapper/121:59:531
131769970,0cyclictest0-21swapper/120:25:111
131759975,1cyclictest9-21ksoftirqd/021:25:170
131759975,1cyclictest27674-21expr23:00:130
131759973,3cyclictest25634-21apt-get19:35:010
131759973,2cyclictest548-21systemd-logind20:50:180
131759970,7cyclictest19119-21kworker/u8:020:00:430
131759970,6cyclictest4258-21ssh23:11:080
131759970,6cyclictest28991-21ssh23:45:010
131759970,6cyclictest28979-21latency_hist20:50:000
131759970,6cyclictest10615-21gltestperf23:20:150
131759970,6cyclictest0-21swapper/022:40:160
131759970,6cyclictest0-21swapper/022:30:120
131759970,6cyclictest0-21swapper/021:51:200
131759970,6cyclictest0-21swapper/019:40:130
131759970,6cyclictest0-21swapper/019:25:120
131759970,4cyclictest19401-21latency_hist20:29:590
131759970,1cyclictest25379-21ssh23:40:140
131759970,1cyclictest21428-21fschecks_time22:10:130
131759970,1cyclictest0-21swapper/021:12:470
131759970,1cyclictest0-21swapper/000:20:130
131889965,1cyclictest837-21ssh23:07:163
131889965,1cyclictest7874-21ssh21:52:143
131889965,1cyclictest32032-21sshd21:40:373
131889965,1cyclictest26750-21ssh22:16:243
131889965,1cyclictest23102-21ssh22:11:563
131889965,1cyclictest11275-21ssh21:56:053
131889965,1cyclictest10280-21ssh00:00:403
131889964,1cyclictest3623-21ssh23:10:193
131889964,1cyclictest24514-21ssh21:31:583
131889964,0cyclictest5828-21diskmemload22:24:143
131889963,2cyclictest5828-21diskmemload23:25:213
131889963,1cyclictest35-21ksoftirqd/319:12:283
131889962,4cyclictest5828-21diskmemload22:25:263
131889962,2cyclictest5828-21diskmemload22:38:593
131889962,2cyclictest0-21swapper/323:30:143
131889961,3cyclictest5828-21diskmemload21:15:113
131889961,3cyclictest0-21swapper/322:00:133
131889961,2cyclictest23062-21apt-get22:55:093
131889960,3cyclictest0-21swapper/323:45:073
131769966,0cyclictest21-21ksoftirqd/123:35:141
131769966,0cyclictest21-21ksoftirqd/122:50:041
131769966,0cyclictest21-21ksoftirqd/121:53:081
131769966,0cyclictest21-21ksoftirqd/121:13:281
131769963,0cyclictest0-21swapper/122:11:341
131769962,4cyclictest56-21kworker/1:120:19:381
131769962,0cyclictest21-21ksoftirqd/121:37:571
131769962,0cyclictest21-21ksoftirqd/120:08:261
131769960,6cyclictest0-21swapper/123:19:391
131769960,6cyclictest0-21swapper/120:40:181
131769960,6cyclictest0-21swapper/100:32:111
131769960,6cyclictest0-21swapper/100:22:491
131769960,6cyclictest0-21swapper/100:17:541
131769960,4cyclictest0-21swapper/122:40:191
131769960,3cyclictest0-21swapper/122:01:061
131759966,0cyclictest0-21swapper/019:55:170
131759965,1cyclictest9-21ksoftirqd/022:20:010
131759965,1cyclictest9-21ksoftirqd/019:15:130
131759965,1cyclictest15648-21ssh23:25:430
131759963,0cyclictest0-21swapper/020:15:160
131759960,6cyclictest0-21swapper/021:55:040
131759960,6cyclictest0-21swapper/019:30:140
131759960,5cyclictest26083-21ssh21:35:100
131759960,5cyclictest134802sleep019:10:120
131759960,1cyclictest14896-21apt-get20:20:110
131759960,0cyclictest0-21swapper/023:05:140
131759960,0cyclictest0-21swapper/022:00:180
131759960,0cyclictest0-21swapper/021:09:300
131889954,1cyclictest5728-21tr20:00:133
131889954,1cyclictest35-21ksoftirqd/320:50:193
131889954,1cyclictest28083-21sensors20:45:193
131889953,1cyclictest24892-21cat00:20:173
131889953,1cyclictest16057-21ntp_states20:20:183
131889952,2cyclictest0-21swapper/319:55:093
131889952,1cyclictest17359-21/usr/sbin/munin20:25:113
131889951,3cyclictest0-21swapper/319:15:123
131889951,1cyclictest2970-21latency_hist19:55:003
131889950,5cyclictest0-21swapper/320:14:583
131889950,5cyclictest0-21swapper/320:14:583
131889950,5cyclictest0-21swapper/319:22:383
131889950,4cyclictest32392-21/usr/sbin/munin20:55:153
131889950,2cyclictest0-21swapper/321:20:013
131889950,2cyclictest0-21swapper/321:05:123
131889950,2cyclictest0-21swapper/300:25:023
131889950,0cyclictest0-21swapper/321:00:133
131889950,0cyclictest0-21swapper/319:45:423
131769955,0cyclictest21-21ksoftirqd/122:17:401
131769955,0cyclictest0-21swapper/100:08:151
131769954,1cyclictest0-21swapper/122:05:131
131769952,3cyclictest0-21swapper/100:14:421
131769952,0cyclictest0-21swapper/119:46:001
131769950,5cyclictest0-21swapper/122:26:111
131769950,5cyclictest0-21swapper/121:42:531
131769950,5cyclictest0-21swapper/120:45:191
131769950,5cyclictest0-21swapper/119:35:141
131769950,5cyclictest0-21swapper/119:21:371
131769950,4cyclictest0-21swapper/123:00:151
131769950,3cyclictest0-21swapper/121:45:031
131769950,2cyclictest0-21swapper/123:30:111
131769950,1cyclictest0-21swapper/123:13:441
131759955,0cyclictest0-21swapper/020:05:110
131759954,1cyclictest9-21ksoftirqd/021:04:340
131759954,1cyclictest9-21ksoftirqd/019:50:110
131759951,4cyclictest22111-21telnet20:35:120
131759950,0cyclictest0-21swapper/020:55:110
131889944,0cyclictest25728-21sensors20:40:193
131769944,0cyclictest0-21swapper/123:50:581
131769943,1cyclictest155572sleep123:25:281
131769943,1cyclictest111rcu_preempt20:25:011
131769942,1cyclictest111rcu_preempt20:50:001
131769941,3cyclictest0-21swapper/121:00:201
131769941,1cyclictest111rcu_preempt19:40:161
131769941,1cyclictest0-21swapper/122:36:011
131769941,1cyclictest0-21swapper/119:30:131
131769940,3cyclictest0-21swapper/120:55:151
131769940,2cyclictest0-21swapper/119:25:151
131769940,0cyclictest0-21swapper/120:10:201
131769940,0cyclictest0-21swapper/120:10:191
10342240,3sleep10-21swapper/100:00:491
131769933,0cyclictest0-21swapper/120:35:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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