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2026-05-26 - 16:35
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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 Tue May 26, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130052230152,21sleep20-21swapper/207:05:012
151002223159,50sleep30-21swapper/307:06:423
152762213149,21sleep00-21swapper/007:09:000
152672201161,26sleep10-21swapper/107:08:541
74392600,0sleep10-21swapper/109:50:131
249452570,0sleep00-21swapper/008:35:150
15428991916,3cyclictest28-21ksoftirqd/212:04:512
316662170,0sleep08486-21diskmemload11:05:180
215002150,0sleep00-21swapper/007:20:140
15428991514,1cyclictest28-21ksoftirqd/211:49:182
1543699140,0cyclictest0-21swapper/307:57:113
15428991413,1cyclictest28-21ksoftirqd/207:40:142
15428991412,1cyclictest28-21ksoftirqd/210:40:122
15428991412,1cyclictest28-21ksoftirqd/210:05:182
15436991210,1cyclictest35-21ksoftirqd/310:35:153
1542699123,4cyclictest3806-21perf09:00:000
15426991211,1cyclictest9-21ksoftirqd/011:30:000
15426991210,1cyclictest9-21ksoftirqd/011:05:000
1542699120,12cyclictest0-21swapper/011:40:120
1542899119,1cyclictest315021/usr/sbin/munin08:50:152
1542899119,1cyclictest28-21ksoftirqd/210:25:102
1542899119,1cyclictest28-21ksoftirqd/210:14:592
1542899119,1cyclictest28-21ksoftirqd/207:40:002
1542899118,1cyclictest28-21ksoftirqd/207:49:592
15428991110,1cyclictest28-21ksoftirqd/212:30:202
15428991110,1cyclictest28-21ksoftirqd/211:10:112
1542799111,2cyclictest0-21swapper/108:55:091
15426991110,1cyclictest9-21ksoftirqd/009:55:140
15426991110,1cyclictest9-21ksoftirqd/009:55:140
15426991110,1cyclictest9-21ksoftirqd/008:20:110
1543699109,1cyclictest35-21ksoftirqd/312:15:133
1542899109,1cyclictest28-21ksoftirqd/212:25:092
1542899109,1cyclictest28-21ksoftirqd/212:05:022
1542899109,1cyclictest28-21ksoftirqd/211:39:032
1542899109,1cyclictest28-21ksoftirqd/210:48:242
1542899109,1cyclictest28-21ksoftirqd/210:37:382
1542899109,1cyclictest28-21ksoftirqd/210:15:102
1542899109,1cyclictest28-21ksoftirqd/209:45:292
1542899109,1cyclictest28-21ksoftirqd/209:32:562
1542899109,1cyclictest28-21ksoftirqd/207:20:182
1542899109,0cyclictest28-21ksoftirqd/212:10:222
1542899108,1cyclictest28-21ksoftirqd/211:20:192
1542899108,1cyclictest28-21ksoftirqd/211:15:152
1542899108,1cyclictest28-21ksoftirqd/211:00:012
1542899108,1cyclictest28-21ksoftirqd/208:20:142
15428991010,0cyclictest28-21ksoftirqd/212:35:162
15428991010,0cyclictest28-21ksoftirqd/209:40:172
1542699109,1cyclictest9-21ksoftirqd/012:40:000
1542699109,1cyclictest9-21ksoftirqd/007:49:590
1542699107,1cyclictest18004-1kworker/u9:109:34:590
15426991010,0cyclictest9-21ksoftirqd/010:20:190
1542699101,7cyclictest17796-21munin-node12:03:210
2092290,1sleep00-21swapper/011:52:370
16521290,0sleep00-21swapper/012:11:110
154369998,0cyclictest196322sleep309:23:373
154369997,1cyclictest35-21ksoftirqd/309:00:003
154369990,6cyclictest1305-21kworker/u8:010:00:323
154289999,0cyclictest32011-21sh11:50:132
154289999,0cyclictest28-21ksoftirqd/211:40:212
154289999,0cyclictest28-21ksoftirqd/210:03:572
154289999,0cyclictest0-21swapper/211:56:522
154289998,1cyclictest28-21ksoftirqd/211:25:392
154289998,1cyclictest28-21ksoftirqd/210:34:022
154289998,1cyclictest28-21ksoftirqd/210:20:562
154289998,1cyclictest28-21ksoftirqd/209:55:102
154289998,1cyclictest28-21ksoftirqd/209:55:102
154289998,1cyclictest28-21ksoftirqd/209:35:152
154289998,1cyclictest28-21ksoftirqd/209:10:002
154289998,1cyclictest28-21ksoftirqd/208:35:002
154289998,1cyclictest28-21ksoftirqd/207:15:142
154289997,1cyclictest28-21ksoftirqd/209:21:582
154289997,1cyclictest28-21ksoftirqd/209:14:512
154289997,1cyclictest28-21ksoftirqd/208:40:142
154289997,1cyclictest28-21ksoftirqd/207:55:002
154269998,1cyclictest9-21ksoftirqd/012:25:100
154269998,1cyclictest9-21ksoftirqd/012:09:590
154269998,1cyclictest9-21ksoftirqd/010:50:000
154269998,1cyclictest9-21ksoftirqd/010:25:000
154269998,1cyclictest9-21ksoftirqd/009:15:140
154269998,1cyclictest9-21ksoftirqd/008:20:010
154269997,1cyclictest9-21ksoftirqd/010:10:140
154269990,4cyclictest25786-21cut07:30:000
154369981,4cyclictest28216-21apt-get11:45:113
154369980,5cyclictest0-21swapper/309:45:103
154369980,4cyclictest0-21swapper/310:53:583
154289987,1cyclictest28-21ksoftirqd/212:16:002
154289987,1cyclictest28-21ksoftirqd/211:30:152
154289987,1cyclictest28-21ksoftirqd/211:30:152
154289987,1cyclictest28-21ksoftirqd/211:05:572
154289987,1cyclictest28-21ksoftirqd/211:02:172
154289987,1cyclictest28-21ksoftirqd/210:52:042
154289987,1cyclictest28-21ksoftirqd/209:50:102
154289987,1cyclictest28-21ksoftirqd/209:15:042
154289987,1cyclictest28-21ksoftirqd/207:10:192
154289987,0cyclictest28-21ksoftirqd/212:20:282
154289986,1cyclictest28-21ksoftirqd/209:00:002
154289986,1cyclictest28-21ksoftirqd/208:20:012
154289980,7cyclictest26598-21kworker/u8:108:10:182
154289980,7cyclictest0-21swapper/208:45:142
154279980,4cyclictest0-21swapper/111:40:121
154279980,4cyclictest0-21swapper/110:35:221
154269987,1cyclictest9-21ksoftirqd/012:25:010
154269987,1cyclictest9-21ksoftirqd/010:37:300
154269987,1cyclictest9-21ksoftirqd/010:00:150
154269980,6cyclictest240-21systemd-journal09:29:420
154269980,1cyclictest0-21swapper/011:55:000
154369976,1cyclictest35-21ksoftirqd/311:55:283
154369976,1cyclictest35-21ksoftirqd/309:05:003
154369975,1cyclictest27597-21ssh11:44:053
154369975,1cyclictest21923-21ntpq11:35:173
154369975,1cyclictest1505-21cat07:45:163
154369975,1cyclictest11288-21ssh11:20:383
154369974,1cyclictest240-21systemd-journal08:05:003
154369974,1cyclictest240-21systemd-journal07:20:003
154369972,3cyclictest8486-21diskmemload12:00:163
154369970,2cyclictest0-21swapper/311:50:003
154369970,2cyclictest0-21swapper/309:11:203
154369970,2cyclictest0-21swapper/307:40:103
154369970,0cyclictest8486-21diskmemload12:37:203
154289976,1cyclictest28-21ksoftirqd/209:25:422
154289976,1cyclictest28-21ksoftirqd/207:30:152
154289976,1cyclictest17797-21kworker/2:207:55:162
154289972,4cyclictest17796-21munin-node08:37:032
154279970,1cyclictest0-21swapper/110:00:111
154269977,0cyclictest9-21ksoftirqd/007:55:000
154269977,0cyclictest16640-1kworker/u9:012:15:480
154269976,1cyclictest9723-21ssh09:10:160
154269976,1cyclictest7711-21ssh11:16:020
154269975,1cyclictest9-21ksoftirqd/011:35:140
154269975,1cyclictest3097-21/usr/sbin/munin09:45:110
154269975,1cyclictest13188-21ssh10:40:180
154269973,2cyclictest240-21systemd-journal08:30:110
154269973,1cyclictest7710-21/usr/sbin/munin08:00:150
154269971,5cyclictest9401-21/usr/sbin/munin11:20:200
154269970,6cyclictest8486-21diskmemload11:30:050
154269970,6cyclictest8486-21diskmemload11:30:040
154269970,6cyclictest4597-21apt-get10:30:100
154269970,6cyclictest32143-21cstates09:40:130
154269970,6cyclictest30057-21users07:35:210
154269970,6cyclictest28067-21wc08:40:180
154269970,6cyclictest28023-21ssh09:35:020
154269970,6cyclictest26778-21hddtemp_smartct07:30:140
154269970,6cyclictest0-21swapper/011:10:140
154269970,6cyclictest0-21swapper/010:15:100
154269970,6cyclictest0-21swapper/008:06:290
154269970,5cyclictest29421-21/usr/sbin/munin12:30:120
154269970,1cyclictest20774-21pmu-power10:50:190
154269970,1cyclictest18180-21ssh10:05:110
154269970,1cyclictest0-21swapper/009:22:240
154369965,1cyclictest8397-21ssh11:18:013
154369965,1cyclictest35-21ksoftirqd/309:37:003
154369965,1cyclictest3225-21ssh10:26:573
154369965,1cyclictest29013-21ssh11:01:083
154369965,1cyclictest25341-21ssh10:56:183
154369965,1cyclictest24311-21ssh12:22:073
154369965,1cyclictest23991-21ssh10:11:053
154369965,1cyclictest19717-21ssh11:32:513
154369965,1cyclictest19717-21ssh11:32:513
154369965,1cyclictest19380-21ntpq10:05:183
154369965,1cyclictest17574-21ssh10:45:223
154369965,1cyclictest16432-21ssh12:10:553
154369965,1cyclictest15330-21ssh11:25:583
154369965,1cyclictest1527-21ssh11:09:353
154369965,1cyclictest14533-21ssh10:42:203
154369965,1cyclictest12457-21ssh09:55:423
154369965,1cyclictest12457-21ssh09:55:423
154369965,0cyclictest8486-21diskmemload10:18:013
154369964,1cyclictest35-21ksoftirqd/308:42:563
154369964,1cyclictest31215-21sshd08:49:293
154369964,1cyclictest29403-21aten_r1power_fr12:30:123
154369964,1cyclictest2902-21irqstats11:10:163
154369964,1cyclictest11616-21sh12:05:173
154369963,1cyclictest35-21ksoftirqd/307:14:543
154369963,1cyclictest240-21systemd-journal08:39:553
154369962,3cyclictest0-21swapper/309:30:183
154369962,1cyclictest8486-21diskmemload09:41:173
154369962,1cyclictest31505-21apt-get08:50:123
154369961,3cyclictest0-21swapper/310:20:133
154369961,3cyclictest0-21swapper/308:10:213
154369961,2cyclictest0-21swapper/309:50:143
154369960,4cyclictest0-21swapper/309:19:553
154369960,2cyclictest8486-21diskmemload12:26:003
154369960,1cyclictest240-21systemd-journal07:54:553
154289965,1cyclictest17797-21kworker/2:209:02:262
154289965,1cyclictest17797-21kworker/2:208:05:142
154289964,1cyclictest28-21ksoftirqd/208:00:112
154289963,1cyclictest23618-21apt-get07:25:112
154279961,3cyclictest0-21swapper/111:15:121
154279961,3cyclictest0-21swapper/111:04:411
154279961,3cyclictest0-21swapper/108:40:171
154279961,2cyclictest0-21swapper/107:35:141
154279960,6cyclictest0-21swapper/110:59:591
154279960,6cyclictest0-21swapper/110:15:141
154279960,6cyclictest0-21swapper/109:48:571
154279960,6cyclictest0-21swapper/109:12:131
154279960,5cyclictest0-21swapper/111:48:131
154279960,5cyclictest0-21swapper/110:08:111
154279960,5cyclictest0-21swapper/108:25:141
154279960,5cyclictest0-21swapper/107:26:491
154279960,4cyclictest0-21swapper/112:19:471
154279960,4cyclictest0-21swapper/112:10:121
154279960,4cyclictest0-21swapper/110:47:251
154279960,4cyclictest0-21swapper/109:35:111
154279960,4cyclictest0-21swapper/108:35:201
154279960,4cyclictest0-21swapper/107:20:211
154279960,3cyclictest0-21swapper/109:31:231
154279960,3cyclictest0-21swapper/109:00:151
154279960,1cyclictest0-21swapper/112:35:161
154279960,1cyclictest0-21swapper/111:10:101
154279960,1cyclictest0-21swapper/110:51:321
154269965,1cyclictest9-21ksoftirqd/007:40:120
154269965,1cyclictest16805-21ntpq07:10:170
154269964,1cyclictest9-21ksoftirqd/009:05:110
154269964,1cyclictest23355-21basename10:55:110
154269962,2cyclictest240-21systemd-journal08:50:100
154269960,6cyclictest26303-1kworker/u9:011:45:120
154269960,6cyclictest0-21swapper/009:00:510
154269960,6cyclictest0-21swapper/007:15:110
154269960,5cyclictest0-21swapper/008:29:300
154269960,1cyclictest585-21rs:main0
154269960,0cyclictest0-21swapper/008:46:160
154269960,0cyclictest0-21swapper/008:11:250
154369953,1cyclictest27798-21taskset07:31:263
154369953,1cyclictest0-21swapper/308:05:203
154369951,2cyclictest0-21swapper/308:30:133
154369951,1cyclictest20433-21apt-get09:25:113
154369950,3cyclictest0-21swapper/310:30:523
154369950,2cyclictest23551-21apt-config07:25:013
154369950,1cyclictest0-21swapper/309:05:103
154369950,1cyclictest0-21swapper/308:20:093
154369950,0cyclictest0-21swapper/307:39:553
154289953,1cyclictest28-21ksoftirqd/208:25:122
154279955,0cyclictest0-21swapper/112:01:181
154279955,0cyclictest0-21swapper/111:38:141
154279955,0cyclictest0-21swapper/111:32:571
154279955,0cyclictest0-21swapper/111:32:571
154279953,1cyclictest0-21swapper/111:50:141
154279953,1cyclictest0-21swapper/108:45:111
154279951,4cyclictest0-21swapper/108:23:141
154279951,2cyclictest0-21swapper/110:34:461
154279951,1cyclictest12633-21taskset12:05:421
154279951,1cyclictest0-21swapper/110:26:181
154279951,1cyclictest0-21swapper/107:30:151
154279950,5cyclictest0-21swapper/111:55:571
154279950,5cyclictest0-21swapper/109:05:141
154279950,5cyclictest0-21swapper/108:34:261
154279950,4cyclictest0-21swapper/111:29:061
154279950,4cyclictest0-21swapper/107:15:151
154279950,3cyclictest0-21swapper/110:12:521
154279950,3cyclictest0-21swapper/109:20:071
154279950,3cyclictest0-21swapper/109:19:201
154279950,3cyclictest0-21swapper/108:00:141
154279950,2cyclictest0-21swapper/112:20:181
154279950,2cyclictest0-21swapper/111:05:141
154279950,2cyclictest0-21swapper/110:40:121
154279950,2cyclictest0-21swapper/110:21:031
154279950,2cyclictest0-21swapper/109:55:171
154279950,2cyclictest0-21swapper/109:55:171
154279950,2cyclictest0-21swapper/107:55:121
154279950,1cyclictest0-21swapper/112:25:091
154279950,1cyclictest0-21swapper/108:10:121
154269954,1cyclictest9-21ksoftirqd/007:55:120
154369942,1cyclictest19729-21aten_r1power_cu08:25:123
154369941,2cyclictest21063-21apt-get07:20:113
154369940,2cyclictest15020-21/usr/sbin/munin08:15:113
154279944,0cyclictest0-21swapper/107:50:081
154279942,1cyclictest317652sleep109:40:041
154279941,1cyclictest0-21swapper/109:25:131
154279940,3cyclictest0-21swapper/112:32:341
154279940,2cyclictest0-21swapper/111:20:391
154279940,2cyclictest0-21swapper/108:50:201
154279940,2cyclictest0-21swapper/108:15:171
154279940,2cyclictest0-21swapper/107:40:101
154279940,0cyclictest0-21swapper/107:45:211
154279940,0cyclictest0-21swapper/107:10:131
154279930,3cyclictest0-21swapper/108:05:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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