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2025-12-05 - 18:31
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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 Fri Dec 05, 2025 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304032209151,44sleep20-21swapper/207:08:112
302322209158,25sleep00-21swapper/007:05:560
301632204172,21sleep30-21swapper/307:05:043
302282203161,29sleep10-21swapper/107:05:531
171352600,0sleep20-21swapper/209:37:462
55022580,0sleep121-21ksoftirqd/111:35:281
151702190,0sleep10-21swapper/109:35:121
181672150,0sleep20-21swapper/210:25:052
30661991311,1cyclictest28-21ksoftirqd/207:30:002
30644991312,1cyclictest9-21ksoftirqd/012:15:000
30661991210,1cyclictest28-21ksoftirqd/211:00:002
30661991210,1cyclictest28-21ksoftirqd/208:05:002
3066199120,12cyclictest0-21swapper/210:15:112
3066199120,12cyclictest0-21swapper/210:15:102
30644991211,1cyclictest9-21ksoftirqd/010:00:000
30644991210,1cyclictest9-21ksoftirqd/011:25:000
3064499120,11cyclictest7406-21ssh10:55:120
3066199119,1cyclictest28-21ksoftirqd/209:30:222
3064499119,1cyclictest9-21ksoftirqd/012:35:110
3064499119,1cyclictest9-21ksoftirqd/010:45:160
3064499119,1cyclictest9-21ksoftirqd/007:45:000
3064499119,1cyclictest9-21ksoftirqd/007:15:010
3064499119,1cyclictest9-21ksoftirqd/007:15:010
3064499112,4cyclictest21713-21perf09:45:000
30644991110,1cyclictest9-21ksoftirqd/012:10:000
92482100,0sleep10-21swapper/111:41:071
3067399108,1cyclictest35-21ksoftirqd/311:05:143
3067399108,1cyclictest35-21ksoftirqd/307:15:013
3067399108,1cyclictest35-21ksoftirqd/307:15:013
3066199109,1cyclictest28-21ksoftirqd/211:05:162
3064499109,1cyclictest9-21ksoftirqd/011:05:140
3064499109,1cyclictest9-21ksoftirqd/010:41:430
3064499109,1cyclictest535-21kworker/0:211:26:580
3064499108,1cyclictest9-21ksoftirqd/010:00:230
3064499102,4cyclictest21525-21munin-run11:15:000
3064499102,4cyclictest13538-21apt-get08:10:010
3064499101,4cyclictest6785-21latency_hist12:25:000
3064499100,3cyclictest0-21swapper/012:29:090
306739999,0cyclictest35-21ksoftirqd/311:32:063
306739999,0cyclictest35-21ksoftirqd/311:32:063
306739998,1cyclictest35-21ksoftirqd/308:10:013
306739996,1cyclictest0-21swapper/310:35:303
306739990,8cyclictest0-21swapper/310:56:033
306619990,6cyclictest28199-21diskmemload10:40:102
306569999,0cyclictest0-21swapper/112:19:441
306569990,4cyclictest0-21swapper/111:28:301
306449999,0cyclictest9-21ksoftirqd/012:05:000
306449999,0cyclictest9-21ksoftirqd/009:35:140
306449998,1cyclictest9-21ksoftirqd/012:15:140
306449998,1cyclictest9-21ksoftirqd/011:20:000
306449998,1cyclictest9-21ksoftirqd/010:25:140
306449998,1cyclictest9-21ksoftirqd/010:10:000
306449998,1cyclictest9-21ksoftirqd/009:30:000
306449997,1cyclictest9-21ksoftirqd/011:55:000
306449997,1cyclictest9-21ksoftirqd/008:34:590
306449997,1cyclictest9-21ksoftirqd/008:00:000
306449991,4cyclictest21314-21perf12:00:000
306449990,5cyclictest254-21systemd-journal09:49:550
306739987,1cyclictest35-21ksoftirqd/310:35:003
306739981,5cyclictest0-21swapper/309:26:043
306739981,1cyclictest0-21swapper/310:05:123
306739980,5cyclictest18466-21/usr/sbin/munin11:55:143
306739980,5cyclictest1449-21ntpd11:47:233
306739980,4cyclictest557-21nscd11:24:253
306739980,3cyclictest0-21swapper/310:50:123
306619988,0cyclictest28-21ksoftirqd/211:10:142
306619987,1cyclictest28-21ksoftirqd/210:01:332
306619987,1cyclictest28-21ksoftirqd/207:40:002
306619980,7cyclictest546-21irqbalance11:45:262
306619980,0cyclictest0-21swapper/212:36:482
306569988,0cyclictest21-21ksoftirqd/108:02:531
306449987,1cyclictest9-21ksoftirqd/011:40:200
306449987,1cyclictest9-21ksoftirqd/010:35:200
306449987,1cyclictest9-21ksoftirqd/010:15:020
306449987,1cyclictest9-21ksoftirqd/010:15:020
306449987,1cyclictest9-21ksoftirqd/009:10:100
306449986,1cyclictest9-21ksoftirqd/007:34:130
306449985,1cyclictest16734-21dump-pmu-power08:20:000
306449985,1cyclictest16734-21dump-pmu-power08:20:000
306449984,2cyclictest254-21systemd-journal08:45:000
306449981,6cyclictest0-21swapper/012:30:130
306449981,3cyclictest3446-21perf11:35:000
306449981,3cyclictest3446-21perf11:35:000
306449980,7cyclictest13956-21ssh09:34:160
306449980,1cyclictest5971-21ssh10:51:290
306449980,1cyclictest16844-21ssh10:21:390
28398280,0sleep328199-21diskmemload09:53:543
306739977,0cyclictest35-21ksoftirqd/310:15:123
306739977,0cyclictest35-21ksoftirqd/310:15:123
306739976,1cyclictest35-21ksoftirqd/311:55:003
306739976,1cyclictest35-21ksoftirqd/308:40:003
306739976,1cyclictest35-21ksoftirqd/308:30:013
306739975,1cyclictest35-21ksoftirqd/308:20:003
306739975,1cyclictest35-21ksoftirqd/308:20:003
306739975,1cyclictest25972-21ntpq08:55:163
306739975,1cyclictest20811-21ssh09:42:193
306739973,2cyclictest35-21ksoftirqd/309:18:193
306739972,2cyclictest520-21grep07:15:003
306739970,6cyclictest0-21swapper/308:47:103
306739970,4cyclictest557-21nscd10:00:153
306739970,4cyclictest0-21swapper/312:20:113
306739970,4cyclictest0-21swapper/311:03:343
306739970,3cyclictest0-21swapper/312:32:293
306739970,3cyclictest0-21swapper/312:09:103
306739970,3cyclictest0-21swapper/311:39:033
306739970,2cyclictest3854-21df_inode09:20:123
306619976,1cyclictest60950irq/123-eno112:16:492
306619976,1cyclictest60950irq/123-eno112:00:122
306619976,1cyclictest60950irq/123-eno111:40:162
306619976,1cyclictest60950irq/123-eno111:16:412
306619976,1cyclictest60950irq/123-eno110:50:502
306619976,1cyclictest60950irq/123-eno110:33:212
306619976,1cyclictest60950irq/123-eno110:22:152
306619976,1cyclictest60950irq/123-eno109:23:442
306619976,1cyclictest60950irq/123-eno109:12:302
306619976,1cyclictest28-21ksoftirqd/209:20:002
306619976,0cyclictest60950irq/123-eno112:20:182
306619975,1cyclictest60950irq/123-eno112:05:152
306619975,1cyclictest60950irq/123-eno111:50:122
306619975,1cyclictest60950irq/123-eno110:35:012
306619975,1cyclictest28-21ksoftirqd/208:40:112
306619975,1cyclictest28-21ksoftirqd/208:17:022
306619975,1cyclictest28-21ksoftirqd/208:17:022
306619975,1cyclictest28-21ksoftirqd/208:00:002
306619975,1cyclictest17373-21perf08:25:002
306619974,1cyclictest27627-21sed09:05:012
306619973,3cyclictest556-21rs:main2
306619971,5cyclictest6017-21runrttasks11:37:092
306619971,3cyclictest0-21swapper/211:00:222
306619970,4cyclictest1497-21sendmail-mta11:26:222
306619970,3cyclictest11478-21/usr/sbin/munin12:30:172
306619970,2cyclictest0-21swapper/209:27:302
306569971,2cyclictest0-21swapper/112:27:511
306569970,6cyclictest0-21swapper/111:31:011
306569970,6cyclictest0-21swapper/111:31:011
306569970,4cyclictest0-21swapper/110:22:211
306449977,0cyclictest9-21ksoftirqd/011:45:170
306449976,1cyclictest9-21ksoftirqd/010:10:150
306449976,1cyclictest9-21ksoftirqd/008:05:000
306449976,1cyclictest9-21ksoftirqd/007:30:010
306449975,1cyclictest9-21ksoftirqd/007:15:000
306449975,1cyclictest0-21swapper/008:10:120
306449972,2cyclictest254-21systemd-journal09:05:000
306449971,6cyclictest20844-1kworker/u9:210:30:150
306449970,6cyclictest10389-1kworker/u9:011:00:140
306449970,6cyclictest0-21swapper/011:35:150
306449970,6cyclictest0-21swapper/008:21:550
306449970,1cyclictest3304-21ssh09:20:040
306449970,1cyclictest3025-21ssh09:19:590
306449970,1cyclictest0-21swapper/009:51:490
28346270,0sleep10-21swapper/109:53:441
306739965,1cyclictest9632-21ssh11:42:193
306739965,1cyclictest35-21ksoftirqd/312:35:093
306739965,1cyclictest35-21ksoftirqd/307:55:003
306739965,1cyclictest35-21ksoftirqd/307:40:013
306739965,1cyclictest35-21ksoftirqd/307:29:133
306739965,1cyclictest32346-21ssh10:44:503
306739965,1cyclictest32073-21ssh11:29:223
306739965,1cyclictest30524-21ssh09:11:253
306739965,1cyclictest24248-21ssh12:03:103
306739965,1cyclictest18153-21ssh10:25:023
306739965,1cyclictest17530-21ssh09:38:563
306739965,1cyclictest12608-21ssh09:30:233
306739964,2cyclictest546-21irqbalance08:52:053
306739964,1cyclictest35-21ksoftirqd/307:35:003
306739962,3cyclictest565-21nscd12:10:333
306739962,2cyclictest0-21swapper/311:19:323
306739961,4cyclictest7871-21/usr/sbin/munin10:10:143
306739961,4cyclictest28199-21diskmemload12:25:173
306739960,5cyclictest0-21swapper/309:46:023
306739960,4cyclictest28199-21diskmemload09:57:053
306739960,3cyclictest0-21swapper/310:47:443
306739960,3cyclictest0-21swapper/307:25:003
306739960,2cyclictest0-21swapper/311:13:103
306619966,0cyclictest60950irq/123-eno112:25:212
306619966,0cyclictest60950irq/123-eno112:10:202
306619966,0cyclictest60950irq/123-eno111:20:132
306619966,0cyclictest60950irq/123-eno110:47:012
306619966,0cyclictest60950irq/123-eno110:05:522
306619966,0cyclictest60950irq/123-eno109:55:152
306619966,0cyclictest60950irq/123-eno109:51:272
306619966,0cyclictest60950irq/123-eno109:40:452
306619966,0cyclictest60950irq/123-eno108:55:112
306619966,0cyclictest60950irq/123-eno108:35:222
306619966,0cyclictest60950irq/123-eno108:34:092
306619966,0cyclictest60950irq/123-eno108:29:242
306619965,1cyclictest60950irq/123-eno110:10:122
306619964,1cyclictest28-21ksoftirqd/207:50:002
306619962,3cyclictest5664-21cron07:34:592
306619961,2cyclictest28199-21diskmemload11:30:162
306619961,2cyclictest28199-21diskmemload11:30:162
306619961,0cyclictest0-21swapper/209:45:122
306619960,6cyclictest0-21swapper/207:54:142
306619960,6cyclictest0-21swapper/207:20:402
306619960,1cyclictest254-21systemd-journal09:08:582
306569966,0cyclictest0-21swapper/112:23:371
306569963,2cyclictest0-21swapper/110:34:261
306569960,6cyclictest0-21swapper/111:12:581
306569960,6cyclictest0-21swapper/109:25:201
306569960,5cyclictest0-21swapper/110:25:171
306569960,5cyclictest0-21swapper/109:45:131
306569960,4cyclictest0-21swapper/110:51:061
306569960,3cyclictest0-21swapper/109:59:591
306569960,2cyclictest0-21swapper/111:17:301
306569960,2cyclictest0-21swapper/110:35:331
306569960,1cyclictest0-21swapper/107:40:141
306449965,1cyclictest803-21sshd08:26:290
306449961,2cyclictest254-21systemd-journal08:40:000
306449960,0cyclictest0-21swapper/008:59:110
306449960,0cyclictest0-21swapper/008:47:040
306449960,0cyclictest0-21swapper/007:47:470
306449960,0cyclictest0-21swapper/007:20:110
16636260,0sleep30-21swapper/310:21:013
306739954,1cyclictest35-21ksoftirqd/308:25:003
306739953,1cyclictest28199-21diskmemload12:15:173
306739953,1cyclictest27483-21runrttasks09:04:023
306739953,1cyclictest12309-21basename08:00:013
306739952,2cyclictest6546-21/usr/sbin/munin07:40:173
306739951,1cyclictest254-21systemd-journal08:41:423
306739950,5cyclictest0-21swapper/308:10:023
306739950,5cyclictest0-21swapper/307:45:503
306619955,0cyclictest60950irq/123-eno108:46:472
306619955,0cyclictest60950irq/123-eno108:14:562
306619955,0cyclictest60950irq/123-eno108:06:162
306619955,0cyclictest60950irq/123-eno107:19:422
306619955,0cyclictest60950irq/123-eno107:19:412
306619950,2cyclictest32740-21chrt07:12:282
306619950,1cyclictest0-21swapper/207:40:122
306569955,0cyclictest0-21swapper/110:48:451
306569955,0cyclictest0-21swapper/109:41:131
306569955,0cyclictest0-21swapper/107:56:271
306569951,2cyclictest0-21swapper/112:30:171
306569950,5cyclictest0-21swapper/110:40:141
306569950,5cyclictest0-21swapper/107:10:491
306569950,4cyclictest9246-21chrt10:10:451
306569950,3cyclictest0-21swapper/112:35:111
306569950,3cyclictest0-21swapper/112:13:041
306569950,3cyclictest0-21swapper/110:05:191
306569950,3cyclictest0-21swapper/110:02:041
306569950,3cyclictest0-21swapper/107:15:021
306569950,3cyclictest0-21swapper/107:15:011
306569950,2cyclictest0-21swapper/112:05:131
306569950,2cyclictest0-21swapper/111:00:171
306569950,2cyclictest0-21swapper/110:58:241
306569950,2cyclictest0-21swapper/110:19:211
306569950,2cyclictest0-21swapper/110:19:201
306569950,2cyclictest0-21swapper/109:10:161
306569950,1cyclictest0-21swapper/111:55:251
306569950,0cyclictest0-21swapper/112:00:191
306449952,1cyclictest254-21systemd-journal09:08:130
306449950,5cyclictest0-21swapper/007:53:090
306449950,5cyclictest0-21swapper/007:36:180
306449950,0cyclictest0-21swapper/008:54:380
306739944,0cyclictest0-21swapper/308:30:553
306739940,2cyclictest254-21systemd-journal09:09:563
306739940,1cyclictest254-21systemd-journal08:01:123
306619940,4cyclictest0-21swapper/208:50:142
306569944,0cyclictest0-21swapper/109:07:501
306569944,0cyclictest0-21swapper/108:17:271
306569944,0cyclictest0-21swapper/108:17:271
306569944,0cyclictest0-21swapper/107:22:101
306569942,1cyclictest145782sleep111:05:131
306569941,2cyclictest0-21swapper/109:20:101
306569940,4cyclictest0-21swapper/111:20:201
306569940,4cyclictest0-21swapper/109:01:011
306569940,4cyclictest0-21swapper/108:21:041
306569940,3cyclictest0-21swapper/107:25:111
306569940,2cyclictest0-21swapper/109:15:281
306569940,2cyclictest0-21swapper/107:50:001
306569940,1cyclictest0-21swapper/111:50:221
306569940,1cyclictest0-21swapper/111:45:121
306569940,1cyclictest0-21swapper/109:30:041
306569940,1cyclictest0-21swapper/107:34:591
306569940,0cyclictest0-21swapper/108:13:501
306569933,0cyclictest0-21swapper/108:34:441
306569932,1cyclictest60272sleep107:36:461
306569932,1cyclictest13286-21chrt08:07:011
306569931,2cyclictest0-21swapper/108:55:091
306569931,1cyclictest17702-21taskset08:25:121
306569930,2cyclictest21715-21chrt08:40:131
306569930,1cyclictest0-21swapper/108:38:081
306569920,1cyclictest95152sleep107:50:031
306569920,1cyclictest241852sleep108:50:071
306569920,1cyclictest235692sleep108:45:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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