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2025-12-07 - 16:42
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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 Sun Dec 07, 2025 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22952206156,25sleep00-21swapper/007:06:190
23152205157,22sleep30-21swapper/307:06:353
23692198159,26sleep20-21swapper/207:07:172
22362196158,25sleep10-21swapper/107:05:321
59792590,0sleep00-21swapper/011:39:500
92152150,0sleep20-21swapper/209:27:232
2667991412,1cyclictest9-21ksoftirqd/008:00:000
46442130,0sleep30-21swapper/309:20:233
267699130,12cyclictest0-21swapper/111:45:131
2667991210,1cyclictest9-21ksoftirqd/008:55:000
266799120,11cyclictest27799-21diskmemload11:13:430
2684991111,0cyclictest0-21swapper/208:00:182
266799119,1cyclictest9-21ksoftirqd/012:10:000
266799119,1cyclictest9-21ksoftirqd/011:25:010
266799119,1cyclictest9-21ksoftirqd/008:39:590
269099109,1cyclictest35-21ksoftirqd/310:40:143
269099109,1cyclictest35-21ksoftirqd/308:25:013
269099109,1cyclictest35-21ksoftirqd/308:25:003
269099107,1cyclictest35-21ksoftirqd/311:10:013
268499108,1cyclictest28-21ksoftirqd/207:45:002
2684991010,0cyclictest0-21swapper/211:31:172
268499100,9cyclictest0-21swapper/209:19:222
266799108,1cyclictest9-21ksoftirqd/010:45:000
266799102,4cyclictest21316-21munin-run09:45:000
266799100,7cyclictest27799-21diskmemload11:35:000
199622100,0sleep20-21swapper/209:41:022
6169290,1sleep06149-21ssh12:25:120
26909993,2cyclictest3191-21telnet10:50:143
26909991,3cyclictest27799-21diskmemload11:35:273
26909990,4cyclictest31903-21apt-get10:45:113
26909990,1cyclictest1497-21sendmail-mta10:06:083
26849990,6cyclictest2290-21kworker/u8:109:36:292
26849990,4cyclictest0-21swapper/207:25:112
26679998,1cyclictest9-21ksoftirqd/012:30:130
26679998,1cyclictest9-21ksoftirqd/009:40:000
26679997,1cyclictest9-21ksoftirqd/010:55:000
26679992,6cyclictest2290-21kworker/u8:109:25:210
15483290,0sleep00-21swapper/012:37:280
26909987,1cyclictest35-21ksoftirqd/311:30:003
26909987,1cyclictest35-21ksoftirqd/311:10:003
26909987,1cyclictest35-21ksoftirqd/308:40:163
26909986,1cyclictest13899-21cat07:30:163
26909985,1cyclictest35-21ksoftirqd/310:33:153
26909982,2cyclictest10061-21/usr/sbin/munin11:45:153
26909981,6cyclictest16229-21apt-get08:45:113
26909980,7cyclictest27799-21diskmemload12:20:203
26909980,5cyclictest8938-21apt-get08:30:123
26849986,1cyclictest60950irq/123-eno110:10:182
26849986,1cyclictest13457-21perf10:20:002
26849983,2cyclictest254-21systemd-journal12:26:262
26849982,4cyclictest3737-21ntp_states12:20:182
26849981,5cyclictest27869-21apt-get12:10:102
26849981,4cyclictest27799-21diskmemload09:10:132
26849980,1cyclictest254-21systemd-journal12:34:562
26679988,0cyclictest9-21ksoftirqd/010:09:020
26679987,1cyclictest9-21ksoftirqd/009:10:000
26679987,1cyclictest9-21ksoftirqd/008:10:120
26679986,1cyclictest9-21ksoftirqd/007:20:000
26679986,1cyclictest576-21cat10:00:170
26679983,4cyclictest9-21ksoftirqd/008:20:240
26679983,4cyclictest9-21ksoftirqd/008:20:230
26679981,6cyclictest29232-21ssh09:55:160
26679981,4cyclictest27799-21diskmemload10:56:250
26679981,1cyclictest254-21systemd-journal07:44:510
26679980,7cyclictest5731-21ssh09:23:060
26679980,7cyclictest19353-21ssh10:25:330
26679980,1cyclictest84812sleep011:40:500
26679980,1cyclictest254-21systemd-journal11:05:010
21493280,1sleep121-21ksoftirqd/108:55:141
26909976,1cyclictest35-21ksoftirqd/311:19:593
26909976,1cyclictest35-21ksoftirqd/310:10:143
26909976,1cyclictest35-21ksoftirqd/307:44:593
26909976,1cyclictest35-21ksoftirqd/307:15:003
26909976,1cyclictest12171-21cat08:35:163
26909975,1cyclictest27212-21ssh12:09:273
26909975,1cyclictest22809-21ssh12:01:383
26909975,1cyclictest13949-21cat12:35:163
26909973,3cyclictest27799-21diskmemload11:50:103
26909973,2cyclictest29059-21ntp_states12:10:183
26909973,2cyclictest27799-21diskmemload10:55:213
26909973,1cyclictest27799-21diskmemload09:32:533
26909972,4cyclictest27799-21diskmemload10:35:183
26909972,4cyclictest27799-21diskmemload10:35:183
26909972,2cyclictest27799-21diskmemload09:36:413
26909971,3cyclictest27799-21diskmemload10:00:123
26909971,3cyclictest0-21swapper/311:44:553
26909970,4cyclictest27799-21diskmemload11:00:123
26909970,4cyclictest27799-21diskmemload10:25:183
26909970,4cyclictest0-21swapper/309:52:033
26909970,4cyclictest0-21swapper/309:40:123
26909970,3cyclictest27799-21diskmemload12:17:433
26909970,3cyclictest27799-21diskmemload10:23:043
26909970,2cyclictest0-21swapper/310:16:243
26909970,0cyclictest0-21swapper/309:45:273
26849976,1cyclictest60950irq/123-eno112:35:142
26849976,1cyclictest60950irq/123-eno112:08:522
26849976,1cyclictest60950irq/123-eno111:25:152
26849976,1cyclictest60950irq/123-eno111:22:592
26849976,1cyclictest60950irq/123-eno111:05:152
26849976,1cyclictest60950irq/123-eno110:35:162
26849976,1cyclictest60950irq/123-eno110:35:152
26849976,1cyclictest60950irq/123-eno110:05:192
26849976,1cyclictest60950irq/123-eno108:45:072
26849976,1cyclictest60950irq/123-eno108:40:002
26849976,1cyclictest11723-21processes11:00:192
26849975,1cyclictest9350-21ssh10:57:462
26849975,1cyclictest60950irq/123-eno111:45:112
26849975,1cyclictest60950irq/123-eno109:30:162
26849975,1cyclictest28-21ksoftirqd/211:40:072
26849975,1cyclictest20064-21ssh11:13:012
26849975,1cyclictest16854-21ssh10:23:542
26849974,2cyclictest60950irq/123-eno110:50:222
26849971,5cyclictest1497-21sendmail-mta09:49:192
26849971,3cyclictest27799-21diskmemload10:40:112
26849971,3cyclictest27799-21diskmemload09:50:172
26849970,4cyclictest254-21systemd-journal10:31:552
26849970,3cyclictest0-21swapper/209:23:202
26849970,1cyclictest0-21swapper/212:03:332
26769970,7cyclictest0-21swapper/109:20:171
26679975,1cyclictest9-21ksoftirqd/011:15:170
26679975,1cyclictest9-21ksoftirqd/008:49:590
26679975,1cyclictest9-21ksoftirqd/007:50:000
26679975,1cyclictest78082chrt08:25:210
26679972,4cyclictest26189-21needreboot09:50:170
26679972,2cyclictest27799-21diskmemload09:45:250
26679971,5cyclictest29543-21/usr/sbin/munin08:05:180
26679970,6cyclictest28081-21ssh11:25:060
26679970,6cyclictest27799-21diskmemload12:15:200
26679970,6cyclictest23152-21sort09:00:000
26679970,6cyclictest19531-21ssh11:57:270
26679970,6cyclictest19531-21ssh11:57:260
26679970,6cyclictest12823-21ssh09:31:580
26679970,6cyclictest0-21swapper/012:23:220
26679970,6cyclictest0-21swapper/008:40:140
26679970,2cyclictest0-21swapper/011:05:130
26679970,1cyclictest27799-21diskmemload10:35:090
26679970,1cyclictest27799-21diskmemload10:35:080
26679970,1cyclictest27799-21diskmemload09:16:140
26679970,1cyclictest19491-1kworker/u9:112:00:500
26679970,1cyclictest1271-21ssh10:45:230
26679970,1cyclictest12309-21ssh10:16:220
26679970,1cyclictest0-21swapper/012:10:120
26679970,1cyclictest0-21swapper/010:30:130
26679970,1cyclictest0-21swapper/010:20:150
30870260,0sleep10-21swapper/111:28:281
26909965,1cyclictest9506-21ssh12:30:013
26909965,1cyclictest35-21ksoftirqd/311:30:143
26909965,1cyclictest21268-21ntpq07:45:173
26909964,1cyclictest35-21ksoftirqd/308:18:523
26909964,1cyclictest25762-21ntpq11:20:183
26909963,1cyclictest35-21ksoftirqd/307:55:093
26909963,1cyclictest254-21systemd-journal08:05:003
26909962,3cyclictest31614-21apt-get09:15:123
26909962,1cyclictest5921-21apt-get07:15:133
26909961,4cyclictest25672-21apt-get09:05:123
26909961,3cyclictest27799-21diskmemload12:25:483
26909960,4cyclictest565-21nscd09:25:083
26909960,4cyclictest0-21swapper/309:11:453
26909960,3cyclictest27799-21diskmemload09:56:473
26909960,2cyclictest0-21swapper/311:58:333
26909960,2cyclictest0-21swapper/311:58:333
26849966,0cyclictest60950irq/123-eno112:15:152
26849966,0cyclictest60950irq/123-eno111:55:482
26849966,0cyclictest60950irq/123-eno111:55:472
26849966,0cyclictest60950irq/123-eno111:50:162
26849966,0cyclictest60950irq/123-eno111:35:122
26849966,0cyclictest60950irq/123-eno111:15:172
26849966,0cyclictest60950irq/123-eno110:00:132
26849966,0cyclictest60950irq/123-eno108:40:462
26849966,0cyclictest60950irq/123-eno107:36:052
26849966,0cyclictest60950irq/123-eno107:30:122
26849966,0cyclictest60950irq/123-eno107:23:462
26849965,1cyclictest676-21ntpq10:45:212
26849965,1cyclictest5536-21ntpq07:15:002
26849965,1cyclictest30707-21ntpq08:05:172
26849964,1cyclictest60950irq/123-eno108:50:162
26849964,1cyclictest60950irq/123-eno107:10:172
26849962,3cyclictest0-21swapper/207:50:182
26849960,6cyclictest0-21swapper/210:25:022
26849960,1cyclictest254-21systemd-journal08:30:012
26849960,1cyclictest0-21swapper/209:55:182
26769966,0cyclictest0-21swapper/109:33:391
26769963,0cyclictest0-21swapper/107:30:201
26769960,5cyclictest0-21swapper/110:43:341
26769960,5cyclictest0-21swapper/109:35:191
26769960,5cyclictest0-21swapper/109:00:201
26769960,4cyclictest0-21swapper/111:00:501
26769960,4cyclictest0-21swapper/109:54:281
26769960,4cyclictest0-21swapper/109:45:431
26769960,1cyclictest0-21swapper/107:10:161
26769960,0cyclictest0-21swapper/111:33:151
26679965,1cyclictest16518-21ntpq07:35:180
26679964,1cyclictest9-21ksoftirqd/007:15:000
26679963,1cyclictest254-21systemd-journal07:22:500
26679960,6cyclictest0-21swapper/007:33:420
26679960,5cyclictest10653-21/usr/sbin/munin07:25:130
26679960,2cyclictest0-21swapper/010:10:120
26679960,0cyclictest27799-21diskmemload11:45:110
26679960,0cyclictest0-21swapper/011:50:360
26679960,0cyclictest0-21swapper/009:10:120
26679960,0cyclictest0-21swapper/008:18:170
26679960,0cyclictest0-21swapper/008:04:550
26909954,1cyclictest35-21ksoftirqd/308:56:543
26909953,1cyclictest1353-21taskset08:12:053
26909952,1cyclictest35-21ksoftirqd/308:51:533
26909951,3cyclictest29546-21apt-get08:05:123
26909951,2cyclictest254-21systemd-journal07:20:343
26909950,5cyclictest0-21swapper/307:35:143
26849955,0cyclictest60950irq/123-eno107:46:292
26849954,1cyclictest60950irq/123-eno109:00:112
26849954,1cyclictest60950irq/123-eno108:30:122
26849954,1cyclictest60950irq/123-eno108:20:182
26849954,1cyclictest60950irq/123-eno108:20:182
26849953,1cyclictest1954-21cut08:15:132
26849950,5cyclictest0-21swapper/208:56:462
26849950,4cyclictest32156-21tr08:10:142
26849950,2cyclictest0-21swapper/207:55:132
26769955,0cyclictest0-21swapper/112:30:131
26769953,1cyclictest3986-21chrt10:50:251
26769951,3cyclictest0-21swapper/111:39:251
26769951,2cyclictest0-21swapper/107:15:141
26769950,5cyclictest0-21swapper/109:56:201
26769950,5cyclictest0-21swapper/108:53:121
26769950,4cyclictest0-21swapper/111:11:141
26769950,4cyclictest0-21swapper/109:14:591
26769950,4cyclictest0-21swapper/108:10:161
26769950,3cyclictest0-21swapper/111:15:181
26769950,3cyclictest0-21swapper/110:28:591
26769950,3cyclictest0-21swapper/110:20:531
26769950,3cyclictest0-21swapper/110:12:381
26769950,3cyclictest0-21swapper/109:41:101
26769950,2cyclictest0-21swapper/112:05:171
26769950,2cyclictest0-21swapper/111:20:111
26769950,2cyclictest0-21swapper/111:07:571
26769950,2cyclictest0-21swapper/110:55:221
26769950,2cyclictest0-21swapper/110:35:491
26769950,2cyclictest0-21swapper/110:35:481
26769950,2cyclictest0-21swapper/110:30:101
26769950,2cyclictest0-21swapper/110:00:071
26769950,2cyclictest0-21swapper/108:45:111
26769950,2cyclictest0-21swapper/107:43:111
26769950,1cyclictest0-21swapper/112:35:341
26769950,1cyclictest0-21swapper/112:15:131
26769950,0cyclictest0-21swapper/112:03:161
26769950,0cyclictest0-21swapper/109:25:131
26769950,0cyclictest0-21swapper/108:22:481
26769950,0cyclictest0-21swapper/108:22:471
26679953,1cyclictest22766-21tr07:50:180
26679950,4cyclictest0-21swapper/008:30:140
26679950,1cyclictest0-21swapper/009:00:120
26909943,1cyclictest11820-21ntpq07:25:183
26909942,1cyclictest23313-21/usr/sbin/munin09:00:193
26909942,1cyclictest22839-21expr07:50:183
26909940,1cyclictest254-21systemd-journal08:25:003
26849941,2cyclictest25424-21cron09:05:002
26769944,0cyclictest0-21swapper/111:41:531
26769944,0cyclictest0-21swapper/109:05:501
26769944,0cyclictest0-21swapper/107:37:491
26769940,3cyclictest0-21swapper/112:21:101
26769940,3cyclictest0-21swapper/110:05:081
26769940,3cyclictest0-21swapper/109:15:111
26769940,2cyclictest0-21swapper/112:26:061
26769940,2cyclictest0-21swapper/112:10:101
26769940,2cyclictest0-21swapper/110:45:161
26769940,2cyclictest0-21swapper/110:15:111
26769940,1cyclictest0-21swapper/111:55:141
26769940,1cyclictest0-21swapper/111:55:131
26769940,1cyclictest0-21swapper/111:50:101
26769940,1cyclictest0-21swapper/107:45:141
26769940,1cyclictest0-21swapper/107:25:121
26769940,1cyclictest0-21swapper/107:20:131
26769940,0cyclictest0-21swapper/108:15:201
26769940,0cyclictest0-21swapper/107:50:231
26769932,1cyclictest130672sleep108:35:431
26769931,1cyclictest0-21swapper/108:00:111
26769930,3cyclictest0-21swapper/108:30:181
26769930,2cyclictest0-21swapper/107:55:121
26769930,1cyclictest0-21swapper/108:40:161
26769930,1cyclictest0-21swapper/108:25:161
26769930,1cyclictest0-21swapper/108:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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