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2025-12-08 - 20:13
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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 Dec 08, 2025 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146022234159,60sleep20-21swapper/207:06:542
124952230159,23sleep30-21swapper/307:05:013
147512203166,24sleep10-21swapper/107:08:491
145702200162,25sleep00-21swapper/007:06:270
14952992222,0cyclictest35-21ksoftirqd/312:25:213
14952991919,0cyclictest35-21ksoftirqd/310:25:213
14952991917,1cyclictest35-21ksoftirqd/309:15:153
14952991818,0cyclictest35-21ksoftirqd/311:15:113
14952991818,0cyclictest35-21ksoftirqd/310:40:023
14952991716,0cyclictest35-21ksoftirqd/307:15:103
14928991716,1cyclictest9-21ksoftirqd/011:00:230
1495299167,4cyclictest35-21ksoftirqd/308:15:113
14952991616,0cyclictest35-21ksoftirqd/311:25:233
14952991616,0cyclictest35-21ksoftirqd/307:40:123
14952991615,1cyclictest35-21ksoftirqd/312:05:173
249482150,0sleep00-21swapper/010:15:230
14952991515,0cyclictest35-21ksoftirqd/312:21:043
14952991515,0cyclictest35-21ksoftirqd/311:32:173
14952991515,0cyclictest35-21ksoftirqd/311:11:343
14952991515,0cyclictest35-21ksoftirqd/311:09:593
14952991515,0cyclictest35-21ksoftirqd/308:20:023
14952991514,1cyclictest35-21ksoftirqd/310:55:123
14952991414,0cyclictest35-21ksoftirqd/311:42:343
14952991414,0cyclictest35-21ksoftirqd/310:33:463
14952991414,0cyclictest35-21ksoftirqd/310:23:553
14952991413,1cyclictest35-21ksoftirqd/311:55:023
14952991413,1cyclictest35-21ksoftirqd/310:51:273
14928991412,1cyclictest9-21ksoftirqd/009:50:190
14928991412,1cyclictest9-21ksoftirqd/008:19:590
16682130,0sleep10-21swapper/108:55:141
14952991313,0cyclictest35-21ksoftirqd/310:08:363
14952991311,1cyclictest35-21ksoftirqd/307:25:003
1494499135,7cyclictest8250-21diskmemload10:25:142
14944991312,1cyclictest8250-21diskmemload12:20:172
14944991311,2cyclictest0-21swapper/210:30:142
14944991311,1cyclictest3541-21vmstat11:15:212
14944991310,2cyclictest16551-21df_inode09:20:142
14936991312,1cyclictest0-21swapper/109:40:131
1495299123,8cyclictest35-21ksoftirqd/309:14:433
14952991212,0cyclictest35-21ksoftirqd/312:35:123
14952991212,0cyclictest35-21ksoftirqd/311:50:273
14952991212,0cyclictest35-21ksoftirqd/311:36:593
14952991212,0cyclictest35-21ksoftirqd/311:21:243
14952991212,0cyclictest35-21ksoftirqd/310:35:173
14952991212,0cyclictest35-21ksoftirqd/310:15:093
14952991210,1cyclictest35-21ksoftirqd/312:20:013
14952991210,1cyclictest35-21ksoftirqd/312:05:003
14952991210,1cyclictest35-21ksoftirqd/307:29:593
1494499129,2cyclictest7450-21rm10:36:192
1494499128,3cyclictest30709-21sshd11:55:112
1494499125,6cyclictest6599-21if_eno109:50:152
1494499125,6cyclictest0-21swapper/212:01:522
14944991211,1cyclictest9569-21perf08:05:012
14944991211,1cyclictest2621-21apt-config07:50:012
14944991211,0cyclictest23442-21/usr/sbin/munin11:00:172
14944991210,2cyclictest24466-21strings12:30:172
14944991210,1cyclictest28628-21sort11:05:202
14944991210,1cyclictest0-21swapper/207:30:002
14928991211,1cyclictest9-21ksoftirqd/012:25:120
14928991211,1cyclictest9-21ksoftirqd/010:30:170
14928991210,1cyclictest9-21ksoftirqd/011:50:000
14928991210,1cyclictest9-21ksoftirqd/011:25:000
14928991210,1cyclictest9-21ksoftirqd/010:05:150
14928991210,1cyclictest9-21ksoftirqd/008:10:000
1495299119,1cyclictest35-21ksoftirqd/312:33:103
1495299119,1cyclictest35-21ksoftirqd/309:30:203
1495299119,1cyclictest35-21ksoftirqd/308:48:403
1495299119,1cyclictest35-21ksoftirqd/308:40:123
1495299119,1cyclictest35-21ksoftirqd/308:35:013
1495299119,1cyclictest35-21ksoftirqd/308:00:013
14952991111,0cyclictest35-21ksoftirqd/311:46:423
14952991111,0cyclictest35-21ksoftirqd/311:01:233
14952991111,0cyclictest35-21ksoftirqd/310:11:083
14952991111,0cyclictest35-21ksoftirqd/309:50:113
14952991111,0cyclictest35-21ksoftirqd/309:40:173
14952991111,0cyclictest35-21ksoftirqd/309:25:173
14952991110,1cyclictest35-21ksoftirqd/312:10:173
14952991110,1cyclictest35-21ksoftirqd/312:10:163
14952991110,1cyclictest35-21ksoftirqd/309:55:183
14952991110,1cyclictest35-21ksoftirqd/309:45:223
14952991110,1cyclictest35-21ksoftirqd/309:35:203
1494499119,1cyclictest17694-21fschecks_count08:20:152
1494499119,1cyclictest0-21swapper/209:35:042
1494499117,2cyclictest0-21swapper/211:48:572
1494499116,4cyclictest0-21swapper/211:28:532
1494499115,5cyclictest8250-21diskmemload12:05:262
1494499114,6cyclictest8250-21diskmemload09:40:142
1494499113,5cyclictest16379-21cpu11:35:142
14944991110,1cyclictest0-21swapper/210:50:502
14944991110,1cyclictest0-21swapper/209:15:132
14944991110,1cyclictest0-21swapper/208:05:122
1494499110,11cyclictest0-21swapper/210:45:152
14928991110,1cyclictest9-21ksoftirqd/012:30:210
14928991110,1cyclictest9-21ksoftirqd/012:20:230
14928991110,1cyclictest9-21ksoftirqd/012:05:240
14928991110,1cyclictest9-21ksoftirqd/012:00:000
14928991110,1cyclictest9-21ksoftirqd/011:43:550
14928991110,1cyclictest9-21ksoftirqd/010:35:130
14928991110,1cyclictest9-21ksoftirqd/009:55:450
14928991110,1cyclictest9-21ksoftirqd/009:20:180
14928991110,1cyclictest9-21ksoftirqd/009:15:000
1495299109,1cyclictest35-21ksoftirqd/310:00:143
1495299109,1cyclictest35-21ksoftirqd/309:20:143
1495299109,1cyclictest35-21ksoftirqd/309:05:153
1495299109,1cyclictest35-21ksoftirqd/308:35:143
1495299109,1cyclictest35-21ksoftirqd/308:10:013
1495299109,1cyclictest35-21ksoftirqd/307:50:183
1495299109,1cyclictest35-21ksoftirqd/307:40:003
1495299109,1cyclictest35-21ksoftirqd/307:30:013
1495299109,0cyclictest35-21ksoftirqd/308:10:143
1495299108,1cyclictest35-21ksoftirqd/309:00:143
1495299108,1cyclictest35-21ksoftirqd/309:00:003
1495299108,1cyclictest35-21ksoftirqd/308:55:013
1495299108,1cyclictest35-21ksoftirqd/307:10:143
14952991010,0cyclictest35-21ksoftirqd/310:45:183
1495299100,9cyclictest341rcuc/308:00:113
1494499109,1cyclictest8250-21diskmemload12:15:222
1494499109,1cyclictest26661-21rm10:19:302
1494499109,1cyclictest0-21swapper/210:10:572
1494499109,1cyclictest0-21swapper/209:32:472
1494499109,1cyclictest0-21swapper/209:29:252
1494499108,2cyclictest0-21swapper/212:13:502
1494499108,2cyclictest0-21swapper/212:13:492
1494499108,2cyclictest0-21swapper/209:47:052
1494499108,1cyclictest21727-21sed08:30:012
1494499108,1cyclictest0-21swapper/212:37:112
1494499108,1cyclictest0-21swapper/211:51:132
1494499107,3cyclictest0-21swapper/207:40:192
1494499106,4cyclictest0-21swapper/210:05:192
1494499106,3cyclictest0-21swapper/209:55:112
1494499105,4cyclictest4578-21hddtemp_smartct09:00:182
1494499104,5cyclictest14049-21ntp_states10:00:192
1494499102,5cyclictest21106-21sed10:55:202
1492899109,1cyclictest9-21ksoftirqd/012:35:150
1492899109,1cyclictest9-21ksoftirqd/011:05:140
1492899109,1cyclictest9-21ksoftirqd/010:53:090
1492899109,1cyclictest9-21ksoftirqd/010:45:160
1492899109,1cyclictest9-21ksoftirqd/010:40:470
1492899109,1cyclictest9-21ksoftirqd/009:45:150
1492899109,1cyclictest9-21ksoftirqd/009:00:000
1492899109,1cyclictest9-21ksoftirqd/008:35:120
1492899109,1cyclictest9-21ksoftirqd/007:25:210
1492899108,1cyclictest9-21ksoftirqd/010:00:160
1492899108,1cyclictest9-21ksoftirqd/009:25:170
1492899108,1cyclictest9-21ksoftirqd/007:19:590
1492899103,4cyclictest2327-21latency_hist07:50:000
14928991010,0cyclictest9-21ksoftirqd/011:10:070
1492899100,9cyclictest0-21swapper/012:04:130
149529998,1cyclictest35-21ksoftirqd/308:25:123
149529998,1cyclictest35-21ksoftirqd/307:45:133
149449998,1cyclictest0-21swapper/212:25:142
149449998,1cyclictest0-21swapper/211:30:142
149449997,1cyclictest21059-21df07:20:122
149449991,8cyclictest28-21ksoftirqd/211:40:422
149449991,8cyclictest28-21ksoftirqd/210:40:382
149449991,8cyclictest28-21ksoftirqd/209:10:112
149449991,8cyclictest28-21ksoftirqd/209:05:542
149449991,8cyclictest28-21ksoftirqd/208:46:152
149449991,8cyclictest28-21ksoftirqd/208:40:022
149449991,8cyclictest28-21ksoftirqd/208:35:392
149449991,8cyclictest28-21ksoftirqd/208:15:062
149449991,8cyclictest28-21ksoftirqd/208:10:052
149449991,8cyclictest28-21ksoftirqd/207:55:102
149449991,8cyclictest28-21ksoftirqd/207:30:082
149449991,8cyclictest28-21ksoftirqd/207:15:272
149449991,8cyclictest28-21ksoftirqd/207:10:242
149449991,0cyclictest28-21ksoftirqd/211:21:182
149449991,0cyclictest28-21ksoftirqd/211:10:192
149449991,0cyclictest28-21ksoftirqd/210:20:522
149449991,0cyclictest28-21ksoftirqd/208:55:262
149449991,0cyclictest28-21ksoftirqd/208:50:222
149449991,0cyclictest28-21ksoftirqd/208:30:122
149449991,0cyclictest28-21ksoftirqd/207:45:282
149449991,0cyclictest28-21ksoftirqd/207:35:002
149289999,0cyclictest9-21ksoftirqd/011:55:000
149289998,1cyclictest9-21ksoftirqd/011:40:000
149289998,1cyclictest9-21ksoftirqd/011:15:200
149289998,1cyclictest9-21ksoftirqd/010:10:160
149289998,1cyclictest9-21ksoftirqd/009:35:140
149289998,1cyclictest9-21ksoftirqd/009:30:140
149289998,1cyclictest9-21ksoftirqd/009:15:220
149289998,1cyclictest9-21ksoftirqd/009:05:010
149289998,1cyclictest9-21ksoftirqd/008:20:220
149289998,1cyclictest9-21ksoftirqd/007:50:010
149289998,1cyclictest9-21ksoftirqd/007:40:200
149289998,1cyclictest9-21ksoftirqd/007:25:000
149289998,1cyclictest9-21ksoftirqd/007:10:140
149289997,1cyclictest9-21ksoftirqd/011:30:220
149289997,1cyclictest9-21ksoftirqd/007:30:010
3700280,0sleep10-21swapper/112:00:241
149369980,4cyclictest0-21swapper/110:40:191
149369980,4cyclictest0-21swapper/110:20:041
149289988,0cyclictest9-21ksoftirqd/008:25:090
149289987,1cyclictest9-21ksoftirqd/010:25:150
149289987,1cyclictest9-21ksoftirqd/010:20:160
149289987,1cyclictest9-21ksoftirqd/009:40:140
149289987,1cyclictest9-21ksoftirqd/008:40:150
149289987,1cyclictest9-21ksoftirqd/008:05:010
149289986,1cyclictest9-21ksoftirqd/012:15:160
149289986,1cyclictest9-21ksoftirqd/012:10:130
149289986,1cyclictest9-21ksoftirqd/012:10:130
149289984,2cyclictest254-21systemd-journal08:50:000
149289980,4cyclictest29976-21latency_hist07:40:000
25160270,0sleep10-21swapper/112:30:271
149369970,5cyclictest0-21swapper/111:50:131
149369970,5cyclictest0-21swapper/110:50:131
149369970,4cyclictest0-21swapper/111:45:111
149369970,4cyclictest0-21swapper/111:30:121
149369970,4cyclictest0-21swapper/111:25:001
149369970,4cyclictest0-21swapper/111:05:341
149369970,4cyclictest0-21swapper/109:52:081
149369970,4cyclictest0-21swapper/109:11:181
149369970,3cyclictest0-21swapper/112:24:221
149369970,3cyclictest0-21swapper/109:37:091
149369970,3cyclictest0-21swapper/107:35:121
149369970,1cyclictest0-21swapper/110:30:121
149369970,1cyclictest0-21swapper/109:30:161
149369970,1cyclictest0-21swapper/109:25:211
149289976,1cyclictest9-21ksoftirqd/009:05:130
149289976,1cyclictest9-21ksoftirqd/008:10:180
149289975,1cyclictest31967-21df_inode08:50:160
149289970,1cyclictest9053-21ssh11:25:040
149289970,1cyclictest7219-21awk08:00:000
149289970,1cyclictest21811-21/usr/sbin/munin08:30:210
149289970,1cyclictest21686-21ssh10:55:320
4029260,0sleep10-21swapper/109:45:401
149369962,1cyclictest0-21swapper/110:05:131
149369961,2cyclictest0-21swapper/108:25:091
149369961,0cyclictest0-21swapper/110:01:391
149369960,5cyclictest0-21swapper/112:38:281
149369960,3cyclictest0-21swapper/112:27:181
149369960,3cyclictest0-21swapper/112:13:591
149369960,3cyclictest0-21swapper/112:13:581
149369960,3cyclictest0-21swapper/111:55:591
149369960,3cyclictest0-21swapper/111:39:261
149369960,3cyclictest0-21swapper/111:20:311
149369960,3cyclictest0-21swapper/111:01:301
149369960,3cyclictest0-21swapper/110:57:241
149369960,3cyclictest0-21swapper/109:58:331
149369960,3cyclictest0-21swapper/107:55:151
149369960,2cyclictest0-21swapper/112:17:071
149369960,2cyclictest0-21swapper/112:05:121
149369960,2cyclictest0-21swapper/111:40:261
149369960,2cyclictest0-21swapper/111:16:471
149369960,2cyclictest0-21swapper/111:13:451
149369960,2cyclictest0-21swapper/110:15:141
149369960,2cyclictest0-21swapper/109:22:131
149369960,2cyclictest0-21swapper/109:05:131
149369960,1cyclictest0-21swapper/107:30:151
149369955,0cyclictest0-21swapper/108:12:241
149369955,0cyclictest0-21swapper/107:15:101
149369954,1cyclictest0-21swapper/108:35:241
149369951,2cyclictest0-21swapper/108:05:131
149369950,5cyclictest0-21swapper/107:28:281
149369950,2cyclictest0-21swapper/110:36:031
149369950,2cyclictest0-21swapper/110:25:111
149369950,2cyclictest0-21swapper/110:10:101
149369950,2cyclictest0-21swapper/109:15:191
149369950,2cyclictest0-21swapper/108:50:201
149369950,1cyclictest0-21swapper/110:45:021
149369950,0cyclictest0-21swapper/107:40:111
149369944,0cyclictest0-21swapper/108:33:401
149369944,0cyclictest0-21swapper/107:49:591
149369941,2cyclictest0-21swapper/108:00:101
149369940,3cyclictest0-21swapper/109:00:141
149369940,2cyclictest17040-21chrt07:12:261
149369940,2cyclictest0-21swapper/108:40:121
149369940,2cyclictest0-21swapper/108:20:011
149369940,2cyclictest0-21swapper/107:20:141
149369940,1cyclictest0-21swapper/107:50:121
149369940,0cyclictest0-21swapper/108:15:131
149369931,1cyclictest0-21swapper/108:45:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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