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2026-06-16 - 15:19
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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 all highest latencies:
System rack1slot1.osadl.org (updated Tue Jun 16, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172372213151,22sleep20-21swapper/207:07:102
171242199159,26sleep10-21swapper/107:05:401
171232197159,24sleep00-21swapper/007:05:390
173692196158,25sleep30-21swapper/307:08:523
17547992323,0cyclictest28-21ksoftirqd/209:37:482
1754799177,9cyclictest27856-21timerandwakeup08:35:222
17547991616,0cyclictest28-21ksoftirqd/212:35:212
17547991616,0cyclictest28-21ksoftirqd/212:11:042
17547991616,0cyclictest28-21ksoftirqd/211:08:122
17547991616,0cyclictest28-21ksoftirqd/210:32:232
17547991615,1cyclictest28-21ksoftirqd/209:59:392
17547991515,0cyclictest28-21ksoftirqd/212:26:382
17547991515,0cyclictest28-21ksoftirqd/211:30:162
17547991515,0cyclictest28-21ksoftirqd/210:54:472
17547991512,2cyclictest28-21ksoftirqd/209:05:002
1754799145,5cyclictest28-21ksoftirqd/208:15:132
17547991414,0cyclictest28-21ksoftirqd/212:31:512
17547991414,0cyclictest28-21ksoftirqd/212:00:062
17547991414,0cyclictest28-21ksoftirqd/211:55:512
17547991414,0cyclictest28-21ksoftirqd/211:40:562
17547991414,0cyclictest28-21ksoftirqd/211:36:422
17547991414,0cyclictest28-21ksoftirqd/211:17:362
17547991414,0cyclictest28-21ksoftirqd/211:12:122
17547991414,0cyclictest28-21ksoftirqd/210:38:302
17547991414,0cyclictest28-21ksoftirqd/210:27:012
17547991414,0cyclictest28-21ksoftirqd/210:09:052
17547991414,0cyclictest28-21ksoftirqd/209:42:252
17547991413,1cyclictest28-21ksoftirqd/209:20:002
17547991413,1cyclictest28-21ksoftirqd/208:30:152
17547991411,1cyclictest28-21ksoftirqd/209:54:042
17547991411,1cyclictest28-21ksoftirqd/209:54:042
1754799138,1cyclictest28-21ksoftirqd/209:24:202
17547991313,0cyclictest28-21ksoftirqd/212:21:242
17547991313,0cyclictest28-21ksoftirqd/211:51:432
17547991313,0cyclictest28-21ksoftirqd/211:47:542
17547991313,0cyclictest28-21ksoftirqd/210:55:462
17547991313,0cyclictest28-21ksoftirqd/210:48:232
17547991313,0cyclictest28-21ksoftirqd/210:21:342
17547991313,0cyclictest28-21ksoftirqd/210:18:312
17547991313,0cyclictest28-21ksoftirqd/209:30:182
17547991312,0cyclictest28-21ksoftirqd/209:14:182
17547991311,2cyclictest28-21ksoftirqd/209:25:102
173132130,0sleep10-21swapper/111:30:141
17552991211,1cyclictest35-21ksoftirqd/312:15:163
1754799128,4cyclictest28-21ksoftirqd/208:55:202
1754799128,4cyclictest28-21ksoftirqd/208:55:202
1754799127,5cyclictest28-21ksoftirqd/211:02:502
17547991211,1cyclictest28-21ksoftirqd/212:15:112
1755299119,1cyclictest35-21ksoftirqd/311:00:183
17552991110,1cyclictest35-21ksoftirqd/309:50:153
17552991110,1cyclictest35-21ksoftirqd/309:50:143
1754799119,1cyclictest28-21ksoftirqd/208:00:202
1754799119,1cyclictest28-21ksoftirqd/207:50:142
1754799118,3cyclictest28-21ksoftirqd/207:10:182
17547991111,0cyclictest28-21ksoftirqd/211:29:352
17547991111,0cyclictest28-21ksoftirqd/210:11:092
17547991110,1cyclictest28-21ksoftirqd/212:05:112
17547991110,1cyclictest28-21ksoftirqd/211:20:142
17547991110,1cyclictest28-21ksoftirqd/209:45:172
17547991110,1cyclictest28-21ksoftirqd/208:45:112
17547991110,1cyclictest28-21ksoftirqd/208:05:122
1755299109,1cyclictest35-21ksoftirqd/312:30:003
1755299109,1cyclictest35-21ksoftirqd/312:00:213
1755299109,1cyclictest35-21ksoftirqd/311:25:183
1755299109,1cyclictest35-21ksoftirqd/310:00:053
1755299109,1cyclictest35-21ksoftirqd/308:25:003
1755299109,1cyclictest35-21ksoftirqd/307:15:003
1755299109,0cyclictest35-21ksoftirqd/311:50:063
1755299109,0cyclictest35-21ksoftirqd/310:35:003
1755299101,5cyclictest20082-21apt-get11:35:113
1754799109,1cyclictest28-21ksoftirqd/210:40:162
1754799109,1cyclictest28-21ksoftirqd/210:00:172
1754799109,1cyclictest28-21ksoftirqd/208:00:012
1754799109,1cyclictest28-21ksoftirqd/207:45:112
1754799109,1cyclictest28-21ksoftirqd/207:45:002
1754799109,1cyclictest28-21ksoftirqd/207:40:002
1754799109,1cyclictest28-21ksoftirqd/207:15:012
1754799108,1cyclictest28-21ksoftirqd/209:05:122
1754799108,1cyclictest28-21ksoftirqd/208:50:192
1754799108,1cyclictest28-21ksoftirqd/208:25:002
1754799108,1cyclictest28-21ksoftirqd/208:10:142
1754799108,1cyclictest28-21ksoftirqd/207:20:112
1754799108,1cyclictest21416-21apt-get08:25:122
1754799101,8cyclictest26334-21smartctl07:25:162
1753599104,5cyclictest30428-21perf11:05:000
1753599102,4cyclictest11749-21/usr/sbin/munin08:05:000
175529999,0cyclictest35-21ksoftirqd/311:56:593
175529999,0cyclictest35-21ksoftirqd/309:45:193
175529999,0cyclictest35-21ksoftirqd/309:35:203
175529998,1cyclictest35-21ksoftirqd/312:30:133
175529998,1cyclictest35-21ksoftirqd/312:10:143
175529998,1cyclictest35-21ksoftirqd/311:49:593
175529998,1cyclictest35-21ksoftirqd/311:10:153
175529998,1cyclictest35-21ksoftirqd/310:45:123
175529998,1cyclictest35-21ksoftirqd/309:35:003
175529998,1cyclictest35-21ksoftirqd/308:50:143
175529997,1cyclictest35-21ksoftirqd/311:30:123
175529997,1cyclictest35-21ksoftirqd/310:25:003
175479998,1cyclictest28-21ksoftirqd/208:40:112
175479998,1cyclictest28-21ksoftirqd/207:30:152
175359990,5cyclictest821-21cut07:40:140
175529988,0cyclictest35-21ksoftirqd/310:13:153
175529988,0cyclictest35-21ksoftirqd/309:55:133
175529988,0cyclictest35-21ksoftirqd/309:40:163
175529988,0cyclictest35-21ksoftirqd/309:20:163
175529988,0cyclictest35-21ksoftirqd/309:15:113
175529987,1cyclictest35-21ksoftirqd/310:50:153
175529987,1cyclictest35-21ksoftirqd/310:25:183
175529987,1cyclictest35-21ksoftirqd/310:05:223
175529986,1cyclictest35-21ksoftirqd/312:35:163
175529986,1cyclictest35-21ksoftirqd/311:40:163
175529986,1cyclictest1029-21snmpd09:00:403
175529986,1cyclictest1029-21snmpd08:29:553
175529986,1cyclictest1029-21snmpd07:54:273
175529986,1cyclictest1029-21snmpd07:47:113
175529986,1cyclictest1029-21snmpd07:32:533
175359983,4cyclictest10192-21diskmemload09:50:380
175359983,4cyclictest10192-21diskmemload09:50:380
175359983,0cyclictest0-21swapper/009:25:150
175359982,5cyclictest2079-21tail10:25:140
175359981,6cyclictest5346-21ssh10:30:120
175359981,6cyclictest3475-21wc11:10:190
175359980,7cyclictest5713-21/usr/sbin/munin09:00:150
175359980,7cyclictest22510-21apt-get10:10:120
175359980,7cyclictest17258-21ssh10:01:080
175359980,7cyclictest14124-21ssh09:57:450
175359980,4cyclictest3151-21sed08:55:000
175359980,4cyclictest13356-21netstat10:40:180
175359980,1cyclictest16689-21ssh12:14:490
175529977,0cyclictest35-21ksoftirqd/312:05:113
175529977,0cyclictest35-21ksoftirqd/311:05:153
175529977,0cyclictest35-21ksoftirqd/310:41:583
175529977,0cyclictest35-21ksoftirqd/308:10:013
175529977,0cyclictest35-21ksoftirqd/307:25:143
175529976,1cyclictest35-21ksoftirqd/311:24:483
175529976,1cyclictest35-21ksoftirqd/310:40:003
175529976,1cyclictest35-21ksoftirqd/309:10:133
175529976,1cyclictest35-21ksoftirqd/308:55:213
175529976,1cyclictest35-21ksoftirqd/308:55:203
175529976,1cyclictest35-21ksoftirqd/308:00:123
175529976,1cyclictest35-21ksoftirqd/307:40:133
175529975,1cyclictest26412-21ssh10:59:103
175529975,1cyclictest1029-21snmpd07:55:093
175529970,6cyclictest10192-21diskmemload11:15:233
175529970,4cyclictest23168-21apt-get07:20:113
175529970,1cyclictest0-21swapper/308:45:113
175399970,7cyclictest0-21swapper/107:51:551
175399970,4cyclictest0-21swapper/110:45:121
175399970,4cyclictest0-21swapper/108:40:111
175359975,1cyclictest19698-21ssh10:50:100
175359975,1cyclictest1029-21snmpd08:35:160
175359975,1cyclictest1029-21snmpd07:32:560
175359975,1cyclictest1029-21snmpd07:23:360
175359973,3cyclictest561-21nscd09:10:450
175359970,6cyclictest852-21ssh11:07:540
175359970,6cyclictest769-21lldpd11:31:110
175359970,6cyclictest31807-21ssh12:35:050
175359970,6cyclictest30077-21ssh10:20:130
175359970,6cyclictest28469-21ssh10:16:520
175359970,6cyclictest27432-21aten_r1power_en11:45:110
175359970,6cyclictest25988-21cstates07:25:140
175359970,6cyclictest21270-21ssh11:35:180
175359970,6cyclictest18584-1kworker/u9:109:35:170
175359970,6cyclictest15692-21ssh11:28:380
175359970,6cyclictest10192-21diskmemload10:49:290
175359970,6cyclictest0-21swapper/012:25:170
175359970,6cyclictest0-21swapper/011:42:010
175359970,6cyclictest0-21swapper/011:15:110
175359970,6cyclictest0-21swapper/010:05:140
175359970,6cyclictest0-21swapper/007:55:110
175359970,5cyclictest0-21swapper/009:45:100
175359970,1cyclictest662-21ssh11:50:390
175359970,1cyclictest651-21ssh09:40:120
175359970,1cyclictest26137-21fschecks_count09:30:150
175359970,1cyclictest23981-21ssh12:24:090
175359970,1cyclictest20094-21munin-node07:15:000
175359970,1cyclictest19746-21ssh09:20:380
175359970,1cyclictest11089-21ssh10:37:380
175359970,1cyclictest10798-21wc11:20:210
175359970,1cyclictest0-21swapper/012:00:140
175359970,1cyclictest0-21swapper/010:56:260
175359970,1cyclictest0-21swapper/008:55:140
175359970,1cyclictest0-21swapper/008:55:140
175359970,1cyclictest0-21swapper/008:30:150
175529966,0cyclictest35-21ksoftirqd/309:25:193
175529965,1cyclictest35-21ksoftirqd/310:15:163
175529965,1cyclictest35-21ksoftirqd/308:10:163
175529964,1cyclictest35-21ksoftirqd/309:05:123
175529964,1cyclictest1029-21snmpd07:14:513
175529962,2cyclictest30233-21apt-get07:35:133
175529960,3cyclictest0-21swapper/312:20:103
175529960,1cyclictest0-21swapper/308:15:113
175399965,1cyclictest0-21swapper/109:05:171
175399961,3cyclictest0-21swapper/108:05:201
175399961,2cyclictest0-21swapper/112:30:171
175399960,6cyclictest0-21swapper/111:28:101
175399960,6cyclictest0-21swapper/111:01:471
175399960,6cyclictest0-21swapper/110:57:031
175399960,6cyclictest0-21swapper/109:50:511
175399960,6cyclictest0-21swapper/109:50:511
175399960,6cyclictest0-21swapper/109:10:401
175399960,6cyclictest0-21swapper/108:49:591
175399960,5cyclictest0-21swapper/111:15:181
175399960,5cyclictest0-21swapper/111:09:321
175399960,5cyclictest0-21swapper/108:55:401
175399960,5cyclictest0-21swapper/108:55:401
175399960,5cyclictest0-21swapper/108:17:301
175399960,5cyclictest0-21swapper/107:45:051
175399960,5cyclictest0-21swapper/107:42:561
175399960,5cyclictest0-21swapper/107:10:151
175399960,4cyclictest0-21swapper/110:00:001
175399960,4cyclictest0-21swapper/109:00:191
175399960,3cyclictest0-21swapper/112:25:211
175399960,3cyclictest0-21swapper/110:39:201
175399960,3cyclictest0-21swapper/108:10:111
175399960,1cyclictest0-21swapper/109:30:361
175399960,1cyclictest0-21swapper/109:21:241
175359965,1cyclictest9709-21ssh12:05:040
175359965,0cyclictest10192-21diskmemload11:55:130
175359964,1cyclictest22536-21netstat08:25:170
175359964,1cyclictest1029-21snmpd08:45:460
175359963,2cyclictest19886-21grep08:20:140
175359963,2cyclictest19867-21basename07:14:590
175359960,6cyclictest0-21swapper/009:05:130
175359960,6cyclictest0-21swapper/008:05:130
175359960,5cyclictest10192-21diskmemload09:15:110
175359960,5cyclictest0-21swapper/012:30:150
175359960,2cyclictest0-21swapper/008:15:120
175359960,1cyclictest0-21swapper/012:15:010
175359960,0cyclictest0-21swapper/008:40:120
175529955,0cyclictest355-21kworker/3:108:34:073
175529950,0cyclictest0-21swapper/308:35:123
175399955,0cyclictest0-21swapper/112:03:461
175399951,4cyclictest0-21swapper/110:03:411
175399951,2cyclictest0-21swapper/110:10:201
175399951,1cyclictest0-21swapper/112:10:111
175399950,5cyclictest0-21swapper/111:51:151
175399950,5cyclictest0-21swapper/110:40:071
175399950,5cyclictest0-21swapper/110:26:061
175399950,5cyclictest0-21swapper/110:19:371
175399950,5cyclictest0-21swapper/109:19:441
175399950,5cyclictest0-21swapper/108:04:181
175399950,5cyclictest0-21swapper/107:36:081
175399950,5cyclictest0-21swapper/107:20:151
175399950,5cyclictest0-21swapper/107:15:591
175399950,4cyclictest0-21swapper/111:46:091
175399950,3cyclictest3662-21chrt11:10:231
175399950,3cyclictest0-21swapper/112:05:051
175399950,3cyclictest0-21swapper/111:38:221
175399950,3cyclictest0-21swapper/110:05:221
175399950,3cyclictest0-21swapper/109:37:541
175399950,3cyclictest0-21swapper/108:30:151
175399950,1cyclictest0-21swapper/109:45:101
175359950,4cyclictest4889-21/usr/sbin/munin07:50:190
175359950,4cyclictest2535-21/usr/sbin/munin07:45:180
175359950,4cyclictest0-21swapper/007:35:120
175359950,1cyclictest0-21swapper/008:10:120
175529942,1cyclictest29331-21tune2fs08:40:143
175399944,0cyclictest0-21swapper/108:25:111
175399941,2cyclictest0-21swapper/110:20:131
175399941,1cyclictest0-21swapper/111:20:121
175399941,1cyclictest0-21swapper/109:40:121
175399941,1cyclictest0-21swapper/108:20:171
175399940,4cyclictest0-21swapper/111:55:381
175399940,4cyclictest0-21swapper/108:52:031
175399940,3cyclictest0-21swapper/110:50:181
175399940,3cyclictest0-21swapper/109:25:331
175399940,2cyclictest0-21swapper/111:40:211
175399940,2cyclictest0-21swapper/110:30:171
175399940,1cyclictest0-21swapper/112:36:241
175399940,1cyclictest0-21swapper/112:20:101
175399940,1cyclictest0-21swapper/112:19:131
175399940,1cyclictest0-21swapper/108:35:121
175399940,0cyclictest0-21swapper/107:25:211
175399931,1cyclictest0-21swapper/107:30:111
175399930,1cyclictest0-21swapper/107:55:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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