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2026-07-26 - 13:12
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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 Sun Jul 26, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175002214149,21sleep00-21swapper/019:08:000
175062208153,21sleep10-21swapper/119:08:051
174552203161,27sleep20-21swapper/219:07:262
173862202163,25sleep30-21swapper/319:06:303
273322680,0sleep00-21swapper/022:18:440
59202650,0sleep20-21swapper/221:47:462
269582650,0sleep00-21swapper/020:35:140
17762992020,0cyclictest35-21ksoftirqd/321:12:483
257832170,0sleep30-21swapper/320:30:213
17762991716,1cyclictest35-21ksoftirqd/319:45:213
17753991717,0cyclictest28-21ksoftirqd/222:43:362
17753991717,0cyclictest28-21ksoftirqd/221:38:342
17734991716,1cyclictest9-21ksoftirqd/021:13:300
17734991711,5cyclictest9-21ksoftirqd/021:30:170
17762991616,0cyclictest35-21ksoftirqd/323:30:003
17762991616,0cyclictest35-21ksoftirqd/300:18:473
17753991616,0cyclictest28-21ksoftirqd/222:03:552
17753991616,0cyclictest28-21ksoftirqd/221:42:032
17753991616,0cyclictest28-21ksoftirqd/200:08:082
17753991615,1cyclictest28-21ksoftirqd/223:37:272
17753991615,1cyclictest28-21ksoftirqd/222:45:562
17753991615,1cyclictest28-21ksoftirqd/221:15:502
17753991613,2cyclictest28-21ksoftirqd/221:30:462
17762991515,0cyclictest35-21ksoftirqd/323:58:533
17762991515,0cyclictest35-21ksoftirqd/322:07:033
17762991515,0cyclictest35-21ksoftirqd/300:21:083
17762991515,0cyclictest35-21ksoftirqd/300:03:343
17762991515,0cyclictest35-21ksoftirqd/300:03:343
17762991510,4cyclictest35-21ksoftirqd/319:10:293
17753991515,0cyclictest28-21ksoftirqd/223:55:262
17753991515,0cyclictest28-21ksoftirqd/223:48:192
17753991515,0cyclictest28-21ksoftirqd/222:27:102
17753991515,0cyclictest28-21ksoftirqd/222:16:442
17753991515,0cyclictest28-21ksoftirqd/221:59:232
17753991515,0cyclictest28-21ksoftirqd/221:21:212
17753991515,0cyclictest28-21ksoftirqd/200:36:012
17753991515,0cyclictest28-21ksoftirqd/200:34:492
17753991515,0cyclictest28-21ksoftirqd/200:28:432
17753991515,0cyclictest28-21ksoftirqd/200:23:262
17753991515,0cyclictest28-21ksoftirqd/200:15:182
17753991515,0cyclictest28-21ksoftirqd/200:03:072
17753991515,0cyclictest28-21ksoftirqd/200:03:072
17753991514,1cyclictest28-21ksoftirqd/222:36:362
17762991414,0cyclictest35-21ksoftirqd/323:41:123
17762991414,0cyclictest35-21ksoftirqd/322:48:523
17762991413,1cyclictest35-21ksoftirqd/323:10:013
17762991412,1cyclictest35-21ksoftirqd/320:00:003
17762991410,3cyclictest35-21ksoftirqd/323:20:003
17753991414,0cyclictest28-21ksoftirqd/223:51:342
17753991414,0cyclictest28-21ksoftirqd/223:20:482
17753991414,0cyclictest28-21ksoftirqd/223:15:312
17753991414,0cyclictest28-21ksoftirqd/223:10:302
17753991414,0cyclictest28-21ksoftirqd/221:14:552
17753991410,3cyclictest28-21ksoftirqd/221:28:192
1774599140,13cyclictest0-21swapper/119:30:111
1776299139,0cyclictest35-21ksoftirqd/322:25:113
17762991313,0cyclictest35-21ksoftirqd/323:48:133
17762991313,0cyclictest35-21ksoftirqd/322:33:363
17762991313,0cyclictest35-21ksoftirqd/322:14:553
17762991313,0cyclictest35-21ksoftirqd/322:00:073
17762991313,0cyclictest35-21ksoftirqd/321:22:553
17762991313,0cyclictest35-21ksoftirqd/300:35:253
17762991312,1cyclictest35-21ksoftirqd/322:40:153
17762991312,1cyclictest35-21ksoftirqd/300:14:593
17762991311,1cyclictest35-21ksoftirqd/321:55:003
17762991311,1cyclictest35-21ksoftirqd/300:30:183
17753991313,0cyclictest28-21ksoftirqd/222:22:022
17753991313,0cyclictest28-21ksoftirqd/222:05:122
17753991312,1cyclictest28-21ksoftirqd/223:41:372
17753991312,1cyclictest28-21ksoftirqd/221:54:562
17753991312,1cyclictest28-21ksoftirqd/220:45:012
17734991311,1cyclictest9-21ksoftirqd/019:55:000
17762991212,0cyclictest35-21ksoftirqd/323:52:503
17762991212,0cyclictest35-21ksoftirqd/323:12:043
17762991212,0cyclictest35-21ksoftirqd/323:03:273
17762991212,0cyclictest35-21ksoftirqd/322:25:013
17762991212,0cyclictest35-21ksoftirqd/322:15:233
17762991212,0cyclictest35-21ksoftirqd/321:56:103
17762991212,0cyclictest35-21ksoftirqd/321:35:003
17762991212,0cyclictest35-21ksoftirqd/321:29:333
17762991212,0cyclictest35-21ksoftirqd/320:35:193
17762991211,1cyclictest35-21ksoftirqd/323:20:003
17762991211,1cyclictest35-21ksoftirqd/322:35:193
17762991211,1cyclictest35-21ksoftirqd/321:40:183
17762991211,1cyclictest35-21ksoftirqd/319:55:013
17762991210,1cyclictest35-21ksoftirqd/323:35:223
17762991210,1cyclictest35-21ksoftirqd/322:50:163
17762991210,1cyclictest35-21ksoftirqd/321:35:143
17762991210,1cyclictest35-21ksoftirqd/321:15:243
17762991210,1cyclictest35-21ksoftirqd/320:55:233
17762991210,1cyclictest35-21ksoftirqd/320:40:193
17762991210,1cyclictest35-21ksoftirqd/320:14:593
17762991210,1cyclictest35-21ksoftirqd/319:35:193
17762991210,1cyclictest35-21ksoftirqd/319:30:143
17762991210,1cyclictest35-21ksoftirqd/319:15:013
17762991210,1cyclictest35-21ksoftirqd/300:05:223
17753991212,0cyclictest28-21ksoftirqd/222:10:052
17753991212,0cyclictest28-21ksoftirqd/200:10:152
17734991211,1cyclictest9-21ksoftirqd/023:10:000
17734991210,1cyclictest9-21ksoftirqd/000:05:000
1776299119,1cyclictest35-21ksoftirqd/323:25:113
1776299119,1cyclictest35-21ksoftirqd/321:00:143
1776299119,1cyclictest35-21ksoftirqd/320:45:143
1776299119,1cyclictest35-21ksoftirqd/320:25:143
1776299119,1cyclictest35-21ksoftirqd/320:05:143
1776299119,1cyclictest35-21ksoftirqd/319:40:283
1776299119,1cyclictest35-21ksoftirqd/319:25:143
1776299119,1cyclictest35-21ksoftirqd/319:20:143
17762991111,0cyclictest35-21ksoftirqd/320:25:013
17762991111,0cyclictest35-21ksoftirqd/300:27:063
17762991110,1cyclictest35-21ksoftirqd/321:45:133
17762991110,1cyclictest35-21ksoftirqd/321:09:593
17762991110,1cyclictest35-21ksoftirqd/320:50:133
17762991110,1cyclictest35-21ksoftirqd/320:50:123
17762991110,1cyclictest35-21ksoftirqd/320:20:003
17762991110,0cyclictest35-21ksoftirqd/322:55:113
1775399116,5cyclictest28-21ksoftirqd/220:15:222
17753991111,0cyclictest28-21ksoftirqd/223:25:192
17753991111,0cyclictest28-21ksoftirqd/223:08:152
17753991111,0cyclictest28-21ksoftirqd/223:04:132
1774599110,11cyclictest0-21swapper/122:35:131
1773499119,1cyclictest9-21ksoftirqd/023:35:000
1773499119,1cyclictest9-21ksoftirqd/022:55:180
1773499119,1cyclictest9-21ksoftirqd/021:25:150
1773499119,1cyclictest9-21ksoftirqd/020:45:000
1773499119,1cyclictest9-21ksoftirqd/020:14:590
1773499119,1cyclictest9-21ksoftirqd/019:40:000
17734991110,1cyclictest9-21ksoftirqd/023:50:130
17734991110,1cyclictest9-21ksoftirqd/023:45:130
1776299108,1cyclictest35-21ksoftirqd/320:00:143
1775399109,1cyclictest28-21ksoftirqd/222:55:002
1775399109,1cyclictest28-21ksoftirqd/222:30:362
1775399109,1cyclictest28-21ksoftirqd/220:00:172
1775399109,1cyclictest28-21ksoftirqd/219:55:012
1775399108,1cyclictest28-21ksoftirqd/220:20:172
1775399108,1cyclictest28-21ksoftirqd/220:05:152
1775399108,1cyclictest28-21ksoftirqd/219:35:132
1775399108,1cyclictest18778-21idleruntime19:10:152
17753991010,0cyclictest28-21ksoftirqd/223:30:132
17753991010,0cyclictest28-21ksoftirqd/222:50:352
17753991010,0cyclictest28-21ksoftirqd/219:50:152
1775399101,8cyclictest271rcuc/220:25:112
1773499109,1cyclictest9-21ksoftirqd/023:45:000
1773499109,1cyclictest9-21ksoftirqd/023:00:210
1773499109,1cyclictest9-21ksoftirqd/022:35:130
1773499109,1cyclictest9-21ksoftirqd/022:30:000
1773499109,1cyclictest9-21ksoftirqd/021:20:160
1773499109,1cyclictest9-21ksoftirqd/020:30:000
1773499109,1cyclictest9-21ksoftirqd/020:00:230
1773499109,1cyclictest9-21ksoftirqd/000:35:000
1773499109,1cyclictest9-21ksoftirqd/000:20:140
1773499109,1cyclictest9-21ksoftirqd/000:05:180
1773499108,1cyclictest9-21ksoftirqd/023:10:200
1773499108,1cyclictest9-21ksoftirqd/021:05:000
1773499108,1cyclictest9-21ksoftirqd/020:55:160
1773499108,1cyclictest9-21ksoftirqd/020:50:000
1773499108,1cyclictest9-21ksoftirqd/019:15:010
1773499108,1cyclictest9-21ksoftirqd/000:15:220
17734991010,0cyclictest9-21ksoftirqd/022:40:150
17734991010,0cyclictest9-21ksoftirqd/000:11:550
27223290,0sleep10-21swapper/123:50:001
177539998,1cyclictest28-21ksoftirqd/221:05:152
177539998,1cyclictest28-21ksoftirqd/220:55:172
177539998,1cyclictest28-21ksoftirqd/220:35:162
177539998,1cyclictest28-21ksoftirqd/220:30:012
177539998,1cyclictest28-21ksoftirqd/219:45:152
177539998,1cyclictest28-21ksoftirqd/219:25:122
177539998,1cyclictest28-21ksoftirqd/219:20:162
177539997,1cyclictest28-21ksoftirqd/219:40:252
177539997,1cyclictest28-21ksoftirqd/219:30:122
177539995,4cyclictest271rcuc/220:44:462
177349998,1cyclictest9-21ksoftirqd/021:45:160
177349998,1cyclictest9-21ksoftirqd/019:45:160
177349998,1cyclictest9-21ksoftirqd/019:25:130
177349998,1cyclictest9-21ksoftirqd/000:25:140
177349998,1cyclictest9-21ksoftirqd/000:00:000
177349997,1cyclictest9-21ksoftirqd/022:50:000
177349997,1cyclictest9-21ksoftirqd/020:55:010
177349997,1cyclictest9-21ksoftirqd/020:55:000
177349997,1cyclictest9-21ksoftirqd/020:19:590
177539988,0cyclictest28-21ksoftirqd/220:50:142
177539988,0cyclictest28-21ksoftirqd/220:50:142
177539988,0cyclictest28-21ksoftirqd/220:10:182
177539988,0cyclictest28-21ksoftirqd/219:15:032
177539987,1cyclictest28-21ksoftirqd/221:00:122
177459981,1cyclictest0-21swapper/122:43:411
177459980,5cyclictest0-21swapper/100:03:031
177459980,5cyclictest0-21swapper/100:03:021
177349987,1cyclictest9-21ksoftirqd/023:25:120
177349987,1cyclictest9-21ksoftirqd/021:05:150
177349987,1cyclictest9-21ksoftirqd/020:25:130
177349987,1cyclictest9-21ksoftirqd/019:55:140
177349987,1cyclictest9-21ksoftirqd/019:30:120
177349987,1cyclictest31860-21ssh21:39:350
177349986,1cyclictest9-21ksoftirqd/022:00:220
177349986,1cyclictest9-21ksoftirqd/021:50:150
177349986,1cyclictest9-21ksoftirqd/000:00:160
177349983,3cyclictest10603-21diskmemload23:35:120
177459976,1cyclictest44022sleep123:15:321
177459971,6cyclictest0-21swapper/120:18:341
177459970,6cyclictest0-21swapper/120:25:161
177459970,5cyclictest0-21swapper/123:20:191
177459970,4cyclictest0-21swapper/121:50:171
177459970,3cyclictest0-21swapper/122:55:121
177459970,3cyclictest0-21swapper/121:45:121
177459970,1cyclictest0-21swapper/123:42:471
177459970,1cyclictest0-21swapper/122:12:341
177349977,0cyclictest9-21ksoftirqd/000:35:150
177349976,1cyclictest9-21ksoftirqd/022:50:220
177349976,1cyclictest9-21ksoftirqd/020:20:160
177349970,7cyclictest0-21swapper/021:55:180
177349970,6cyclictest3680-21memory22:30:200
177349970,6cyclictest32443-21/usr/sbin/munin21:40:130
177349970,6cyclictest14306-21ssh21:15:100
177349970,6cyclictest0-21swapper/022:10:150
177349970,1cyclictest8250-21ssh23:20:520
177349970,1cyclictest2545-21ssh23:15:090
177349970,1cyclictest0-21swapper/022:20:210
177349970,1cyclictest0-21swapper/022:06:160
177459964,1cyclictest0-21swapper/122:50:011
177459961,4cyclictest11836-21chrt23:26:061
177459960,6cyclictest0-21swapper/123:12:581
177459960,6cyclictest0-21swapper/120:50:031
177459960,6cyclictest0-21swapper/120:50:021
177459960,6cyclictest0-21swapper/120:43:121
177459960,6cyclictest0-21swapper/120:12:291
177459960,6cyclictest0-21swapper/119:59:161
177459960,5cyclictest0-21swapper/122:30:251
177459960,5cyclictest0-21swapper/100:24:111
177459960,4cyclictest0-21swapper/122:15:121
177459960,1cyclictest0-21swapper/122:00:121
177459960,1cyclictest0-21swapper/121:05:261
177459960,0cyclictest0-21swapper/123:09:271
177459960,0cyclictest0-21swapper/100:18:231
177349965,1cyclictest9-21ksoftirqd/020:05:150
177349965,1cyclictest9-21ksoftirqd/019:20:180
177349964,1cyclictest9-21ksoftirqd/019:40:310
177349964,1cyclictest9-21ksoftirqd/019:10:120
177459955,0cyclictest0-21swapper/122:47:001
177459955,0cyclictest0-21swapper/121:55:041
177459955,0cyclictest0-21swapper/121:40:151
177459955,0cyclictest0-21swapper/121:35:141
177459955,0cyclictest0-21swapper/121:14:131
177459951,3cyclictest0-21swapper/100:40:001
177459951,2cyclictest0-21swapper/119:25:121
177459951,1cyclictest0-21swapper/119:10:171
177459950,5cyclictest0-21swapper/121:31:001
177459950,5cyclictest0-21swapper/120:39:401
177459950,5cyclictest0-21swapper/119:44:421
177459950,5cyclictest0-21swapper/119:37:191
177459950,4cyclictest0-21swapper/122:24:001
177459950,4cyclictest0-21swapper/120:30:121
177459950,3cyclictest0-21swapper/121:20:081
177459950,3cyclictest0-21swapper/100:30:141
177459950,3cyclictest0-21swapper/100:10:201
177459950,2cyclictest0-21swapper/123:57:451
177459950,2cyclictest0-21swapper/123:50:021
177459950,2cyclictest0-21swapper/123:30:211
177459950,2cyclictest0-21swapper/120:05:121
177459950,2cyclictest0-21swapper/100:10:001
177459950,1cyclictest0-21swapper/121:25:531
177459950,1cyclictest0-21swapper/121:15:181
177459942,1cyclictest0-21swapper/122:25:111
177459942,1cyclictest0-21swapper/120:00:011
177459941,1cyclictest0-21swapper/120:55:121
177459941,1cyclictest0-21swapper/119:50:111
177459940,3cyclictest0-21swapper/119:45:171
177459940,2cyclictest0-21swapper/122:05:151
177459940,2cyclictest0-21swapper/120:20:121
177459940,1cyclictest0-21swapper/119:15:211
177459940,0cyclictest0-21swapper/123:35:171
177459940,0cyclictest0-21swapper/123:00:131
177459940,0cyclictest0-21swapper/121:00:201
177459940,0cyclictest0-21swapper/120:45:121
177459940,0cyclictest0-21swapper/100:25:221
177459930,2cyclictest0-21swapper/119:20:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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