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2025-12-11 - 14:34
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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 Thu Dec 11, 2025 12:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320162199162,24sleep10-21swapper/107:07:261
319032199161,26sleep00-21swapper/007:05:550
318712199161,24sleep30-21swapper/307:05:303
318902198159,26sleep20-21swapper/207:05:462
289722570,0sleep20-21swapper/209:15:032
193252180,0sleep30-21swapper/311:15:163
3230899130,12cyclictest0-21swapper/112:15:181
32304991311,1cyclictest9-21ksoftirqd/008:05:000
32304991310,2cyclictest9-21ksoftirqd/009:45:010
32304991310,2cyclictest9-21ksoftirqd/009:45:000
32328991211,1cyclictest35-21ksoftirqd/309:55:013
32317991211,1cyclictest28-21ksoftirqd/211:30:132
32304991210,1cyclictest9-21ksoftirqd/009:25:170
3232899113,2cyclictest4811-21/usr/sbin/munin12:25:203
3231799119,1cyclictest28-21ksoftirqd/210:00:112
32317991110,1cyclictest8269-21telnet10:15:122
32317991110,1cyclictest28-21ksoftirqd/212:20:222
32317991110,1cyclictest28-21ksoftirqd/210:55:132
32317991110,1cyclictest28-21ksoftirqd/210:55:132
32317991110,1cyclictest28-21ksoftirqd/210:37:372
32317991110,1cyclictest28-21ksoftirqd/209:40:142
32317991110,1cyclictest28-21ksoftirqd/209:40:142
3230499119,1cyclictest9-21ksoftirqd/010:55:010
3230499119,1cyclictest9-21ksoftirqd/010:35:140
3230499113,4cyclictest881-21ls10:05:000
32304991110,1cyclictest9-21ksoftirqd/011:09:590
32304991110,1cyclictest9-21ksoftirqd/007:20:010
32304991110,1cyclictest20791-21sed09:45:230
10962110,0sleep20-21swapper/210:05:052
109422110,0sleep20-21swapper/207:30:142
3232899109,1cyclictest35-21ksoftirqd/309:30:003
3232899108,1cyclictest12290-21df09:35:143
3231799109,1cyclictest28-21ksoftirqd/212:28:562
3231799109,1cyclictest28-21ksoftirqd/211:58:432
3231799109,1cyclictest28-21ksoftirqd/211:50:132
3231799109,1cyclictest28-21ksoftirqd/211:46:302
3231799109,1cyclictest28-21ksoftirqd/211:11:392
3231799109,1cyclictest28-21ksoftirqd/209:46:522
3231799109,1cyclictest28-21ksoftirqd/208:50:002
3231799108,1cyclictest28-21ksoftirqd/212:35:182
3231799108,1cyclictest28-21ksoftirqd/212:10:182
3231799108,1cyclictest28-21ksoftirqd/212:04:362
3231799108,1cyclictest28-21ksoftirqd/211:35:242
3231799108,1cyclictest28-21ksoftirqd/210:25:172
32317991010,0cyclictest28-21ksoftirqd/212:31:172
32317991010,0cyclictest28-21ksoftirqd/209:23:022
32317991010,0cyclictest28-21ksoftirqd/209:10:142
3230499109,1cyclictest9-21ksoftirqd/012:35:160
3230499109,1cyclictest9-21ksoftirqd/012:20:140
3230499109,1cyclictest9-21ksoftirqd/012:05:170
3230499109,1cyclictest9-21ksoftirqd/011:00:160
3230499108,1cyclictest9-21ksoftirqd/008:05:120
32304991010,0cyclictest9-21ksoftirqd/012:15:140
32304991010,0cyclictest9-21ksoftirqd/011:15:120
32304991010,0cyclictest9-21ksoftirqd/008:20:010
275802100,0sleep025219-21diskmemload09:11:370
241812100,0sleep325219-21diskmemload12:07:223
323289999,0cyclictest35-21ksoftirqd/309:58:333
323289998,1cyclictest35-21ksoftirqd/310:45:003
323289997,1cyclictest35-21ksoftirqd/312:35:163
323289991,7cyclictest2244-21munin-node10:53:353
323179999,0cyclictest28-21ksoftirqd/209:55:202
323179998,1cyclictest28-21ksoftirqd/212:05:222
323179998,1cyclictest28-21ksoftirqd/211:00:032
323179998,1cyclictest28-21ksoftirqd/210:51:512
323179998,1cyclictest28-21ksoftirqd/210:43:052
323179998,1cyclictest28-21ksoftirqd/209:35:212
323179998,1cyclictest28-21ksoftirqd/208:30:132
323179998,1cyclictest28-21ksoftirqd/207:20:122
323179998,0cyclictest28-21ksoftirqd/210:45:122
323179998,0cyclictest28-21ksoftirqd/209:00:282
323179997,1cyclictest28-21ksoftirqd/210:30:282
323179997,1cyclictest28-21ksoftirqd/209:00:002
323179997,1cyclictest28-21ksoftirqd/208:45:002
323049998,1cyclictest9-21ksoftirqd/011:50:150
323049998,1cyclictest9-21ksoftirqd/011:40:150
323049998,1cyclictest9-21ksoftirqd/011:30:140
323049998,1cyclictest9-21ksoftirqd/010:20:180
323049998,1cyclictest20548-21ssh12:02:070
323049998,1cyclictest12115-21cat08:40:170
323049998,0cyclictest25219-21diskmemload10:43:430
323049997,1cyclictest9-21ksoftirqd/009:35:150
323049997,1cyclictest9-21ksoftirqd/008:35:130
323049990,1cyclictest0-21swapper/008:20:110
323289980,5cyclictest1497-21sendmail-mta10:05:503
323179988,0cyclictest28-21ksoftirqd/211:25:172
323179987,1cyclictest28-21ksoftirqd/212:16:222
323179987,1cyclictest28-21ksoftirqd/211:15:192
323179987,1cyclictest28-21ksoftirqd/211:05:122
323179987,1cyclictest28-21ksoftirqd/210:14:452
323179987,1cyclictest28-21ksoftirqd/209:52:242
323179987,1cyclictest28-21ksoftirqd/209:30:172
323179987,1cyclictest28-21ksoftirqd/207:20:002
323179987,1cyclictest28-21ksoftirqd/207:10:132
323179986,1cyclictest28-21ksoftirqd/211:20:132
323179986,1cyclictest28-21ksoftirqd/210:20:222
323179986,1cyclictest28-21ksoftirqd/208:10:002
323049988,0cyclictest9-21ksoftirqd/011:35:230
323049987,1cyclictest9-21ksoftirqd/011:50:000
323049987,1cyclictest9-21ksoftirqd/010:05:160
323049987,1cyclictest9-21ksoftirqd/009:05:140
323049987,1cyclictest7072-21ssh10:12:140
323049986,1cyclictest324-21/usr/sbin/munin09:20:130
323049985,2cyclictest2072950/usr/sbin/munin09:00:160
323049982,5cyclictest15043-1kworker/0:1H08:11:280
323049981,6cyclictest29029-21/usr/sbin/munin09:15:140
323049981,6cyclictest15022-21ssh11:10:120
323049981,1cyclictest25294-21ssh12:10:080
323049980,4cyclictest25219-21diskmemload10:25:200
20914282,0sleep025219-21diskmemload10:31:120
323289977,0cyclictest35-21ksoftirqd/307:54:593
323289976,1cyclictest35-21ksoftirqd/309:05:003
323289976,1cyclictest35-21ksoftirqd/308:40:003
323289976,1cyclictest35-21ksoftirqd/307:30:013
323289976,1cyclictest12699-21cat10:20:173
323289975,1cyclictest9379-21ssh10:15:183
323289975,1cyclictest35-21ksoftirqd/311:25:013
323289975,1cyclictest16886-21cat08:50:163
323289973,2cyclictest254-21systemd-journal07:16:593
323289971,1cyclictest0-21swapper/310:00:113
323289970,4cyclictest0-21swapper/311:25:053
323289970,1cyclictest8999-21sensors_temp11:45:233
323289970,1cyclictest27276-21sshd09:10:283
323289970,1cyclictest0-21swapper/311:43:313
323179977,0cyclictest28-21ksoftirqd/211:40:212
323179975,1cyclictest60950irq/123-eno109:25:152
323179975,1cyclictest60950irq/123-eno108:00:202
323179970,7cyclictest0-21swapper/208:35:172
323179970,0cyclictest0-21swapper/207:50:172
323089975,1cyclictest0-21swapper/109:30:121
323089970,5cyclictest0-21swapper/111:19:461
323089970,3cyclictest0-21swapper/109:30:001
323049976,1cyclictest9-21ksoftirqd/007:35:010
323049975,1cyclictest9-21ksoftirqd/008:45:150
323049975,1cyclictest25888-21aten2.4-expect11:25:120
323049973,2cyclictest570-21systemd-logind09:50:200
323049970,6cyclictest8193-21ssh10:15:040
323049970,6cyclictest6678-21ssh12:29:150
323049970,6cyclictest4545-21aten2.4-expect10:55:120
323049970,6cyclictest4545-21aten2.4-expect10:55:110
323049970,6cyclictest4196-21/usr/sbin/munin08:25:140
323049970,6cyclictest29653-21ssh10:45:010
323049970,6cyclictest24809-21ssh11:22:540
323049970,6cyclictest0-21swapper/008:30:120
323049970,6cyclictest0-21swapper/007:35:130
323049970,6cyclictest0-21swapper/007:25:120
323049970,2cyclictest0-21swapper/009:55:020
323049970,1cyclictest9934-21ssh09:31:000
323049970,1cyclictest9719-21ssh12:32:460
323049970,1cyclictest17210-21ssh11:57:500
323049970,0cyclictest0-21swapper/007:45:130
16528276,0sleep335-21ksoftirqd/311:55:413
323289966,0cyclictest0-21swapper/309:16:193
323289965,1cyclictest7883-21ssh09:30:073
323289965,1cyclictest5826-21ntpq10:10:183
323289965,1cyclictest4417-21apt-get10:55:123
323289965,1cyclictest4417-21apt-get10:55:123
323289965,1cyclictest35-21ksoftirqd/312:00:153
323289965,1cyclictest35-21ksoftirqd/308:40:153
323289965,1cyclictest35-21ksoftirqd/308:25:013
323289965,1cyclictest35-21ksoftirqd/308:00:003
323289965,1cyclictest35-21ksoftirqd/307:10:133
323289965,1cyclictest31908-21ssh12:18:473
323289965,1cyclictest25300-21ssh12:10:093
323289965,1cyclictest23805-21ssh10:35:193
323289965,1cyclictest20684-21ssh10:30:273
323289965,1cyclictest17757-21ssh11:13:223
323289965,1cyclictest11047-21ssh11:50:023
323289965,0cyclictest25219-21diskmemload12:31:053
323289964,1cyclictest35-21ksoftirqd/308:07:523
323289964,1cyclictest30228-21irqstats11:30:183
323289964,1cyclictest1991-21ssh12:20:243
323289963,2cyclictest16709-21gzip10:25:203
323289963,1cyclictest254-21systemd-journal08:04:593
323289963,1cyclictest254-21systemd-journal07:37:293
323289962,1cyclictest11488-21apt-get11:05:113
323289961,2cyclictest0-21swapper/311:00:173
323289960,4cyclictest0-21swapper/311:39:243
323289960,3cyclictest0-21swapper/309:21:123
323179966,0cyclictest60950irq/123-eno108:25:162
323179965,1cyclictest60950irq/123-eno109:05:172
323179965,1cyclictest28-21ksoftirqd/207:25:122
323179964,1cyclictest60950irq/123-eno108:10:142
323179964,1cyclictest28-21ksoftirqd/207:40:182
323179960,4cyclictest31875-21apt-get08:15:132
323089965,1cyclictest0-21swapper/108:20:131
323089961,3cyclictest0-21swapper/109:35:201
323089961,2cyclictest0-21swapper/107:45:141
323089960,6cyclictest0-21swapper/110:59:531
323089960,6cyclictest0-21swapper/110:59:521
323089960,5cyclictest0-21swapper/110:35:121
323089960,5cyclictest0-21swapper/110:20:301
323089960,5cyclictest0-21swapper/110:05:151
323089960,4cyclictest0-21swapper/109:44:111
323089960,4cyclictest0-21swapper/109:44:101
323089960,3cyclictest0-21swapper/112:35:181
323089960,3cyclictest0-21swapper/111:40:021
323089960,3cyclictest0-21swapper/111:35:471
323089960,3cyclictest0-21swapper/111:10:191
323089960,3cyclictest0-21swapper/110:10:151
323089960,3cyclictest0-21swapper/109:50:011
323089960,3cyclictest0-21swapper/108:55:151
323089960,2cyclictest0-21swapper/110:04:311
323089960,1cyclictest0-21swapper/111:25:121
323089960,1cyclictest0-21swapper/109:05:121
323089960,1cyclictest0-21swapper/108:12:221
323049960,6cyclictest0-21swapper/008:57:500
323049960,6cyclictest0-21swapper/008:51:120
323049960,5cyclictest32504-21/usr/sbin/munin07:10:150
323049960,1cyclictest0-21swapper/007:50:140
323049960,1cyclictest0-21swapper/007:20:210
323049960,0cyclictest0-21swapper/007:55:140
323049960,0cyclictest0-21swapper/007:40:190
30745260,1sleep10-21swapper/109:15:221
20798260,0sleep10-21swapper/112:02:571
323289954,1cyclictest510-21strings08:15:183
323289954,1cyclictest35-21ksoftirqd/307:24:583
323289954,1cyclictest11803-21systemctl07:30:183
323289954,0cyclictest25219-21diskmemload09:40:163
323289954,0cyclictest25219-21diskmemload09:40:163
323289952,1cyclictest6661-21/usr/sbin/munin08:30:123
323289952,1cyclictest254-21systemd-journal07:47:143
323289951,1cyclictest18358-21/usr/sbin/munin08:55:143
323289950,5cyclictest0-21swapper/308:47:543
323289950,5cyclictest0-21swapper/308:11:573
323289950,2cyclictest30156-21expr10:45:153
323289950,2cyclictest0-21swapper/309:45:063
323289950,2cyclictest0-21swapper/309:05:123
323179955,0cyclictest28-21ksoftirqd/207:45:152
323179955,0cyclictest0-21swapper/208:20:152
323179954,1cyclictest28-21ksoftirqd/207:55:002
323179953,1cyclictest28-21ksoftirqd/208:50:162
323179953,1cyclictest12792-21cut07:35:132
323089955,0cyclictest0-21swapper/112:05:511
323089955,0cyclictest0-21swapper/110:53:041
323089955,0cyclictest0-21swapper/109:55:491
323089953,1cyclictest99562sleep111:01:001
323089953,1cyclictest13025-21chrt11:50:451
323089953,1cyclictest0-21swapper/112:25:171
323089952,3cyclictest0-21swapper/111:45:231
323089952,2cyclictest0-21swapper/108:35:151
323089951,2cyclictest0-21swapper/109:14:441
323089950,5cyclictest0-21swapper/108:25:171
323089950,3cyclictest0-21swapper/112:10:141
323089950,3cyclictest0-21swapper/111:30:181
323089950,3cyclictest0-21swapper/111:06:041
323089950,3cyclictest0-21swapper/110:49:031
323089950,3cyclictest0-21swapper/110:43:381
323089950,2cyclictest0-21swapper/109:20:121
323089950,2cyclictest0-21swapper/107:15:131
323089950,1cyclictest0-21swapper/111:22:571
323089950,1cyclictest0-21swapper/110:25:141
323089950,0cyclictest0-21swapper/112:30:111
323089950,0cyclictest0-21swapper/112:24:181
323289944,0cyclictest0-21swapper/308:25:133
323289941,0cyclictest0-21swapper/307:40:133
323089941,2cyclictest0-21swapper/107:40:181
323089941,1cyclictest0-21swapper/107:50:121
323089941,0cyclictest0-21swapper/108:00:001
323089940,4cyclictest0-21swapper/108:03:201
323089940,3cyclictest19412-21taskset10:30:161
323089940,3cyclictest0-21swapper/111:55:161
323089940,3cyclictest0-21swapper/109:45:341
323089940,3cyclictest0-21swapper/108:45:001
323089940,3cyclictest0-21swapper/108:05:201
323089940,3cyclictest0-21swapper/107:20:121
323089940,2cyclictest0-21swapper/108:30:201
323089940,2cyclictest0-21swapper/107:10:101
323089940,1cyclictest0-21swapper/110:17:531
323089940,1cyclictest0-21swapper/108:15:121
323089940,1cyclictest0-21swapper/107:30:011
323089940,0cyclictest0-21swapper/107:35:201
323089931,1cyclictest0-21swapper/108:50:121
323089930,2cyclictest0-21swapper/109:00:131
323089930,1cyclictest0-21swapper/107:30:161
323089930,0cyclictest0-21swapper/108:45:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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