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2025-12-12 - 16:12
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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 (updated Fri Dec 12, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267322212157,43sleep10-21swapper/119:07:031
248422202161,27sleep20-21swapper/219:05:032
269322198159,26sleep30-21swapper/319:09:373
267262198161,24sleep00-21swapper/019:06:570
49722750,0sleep00-21swapper/019:30:010
125902580,0sleep20-21swapper/223:15:072
27078991212,0cyclictest28-21ksoftirqd/222:55:212
27078991210,1cyclictest28-21ksoftirqd/222:10:202
27078991210,1cyclictest28-21ksoftirqd/222:10:202
27078991210,1cyclictest28-21ksoftirqd/220:00:002
2707899119,1cyclictest28-21ksoftirqd/221:00:002
2707899119,1cyclictest28-21ksoftirqd/219:44:592
27078991110,1cyclictest28-21ksoftirqd/223:05:222
2706299119,1cyclictest9-21ksoftirqd/019:15:000
27062991110,1cyclictest9-21ksoftirqd/020:40:000
2706299111,5cyclictest12080-21latency_hist19:45:000
27084991010,0cyclictest35-21ksoftirqd/321:42:133
2707899109,1cyclictest28-21ksoftirqd/223:20:182
2707899109,1cyclictest28-21ksoftirqd/222:55:002
2707899109,1cyclictest28-21ksoftirqd/200:05:232
2707899108,1cyclictest28-21ksoftirqd/200:10:252
27078991010,0cyclictest28-21ksoftirqd/223:04:562
27078991010,0cyclictest28-21ksoftirqd/222:49:472
2707899100,0cyclictest0-21swapper/200:24:492
2707199100,9cyclictest0-21swapper/122:35:161
2706299102,4cyclictest30296-21sed23:40:000
27062991010,0cyclictest0-21swapper/020:20:210
2706299100,7cyclictest19963-21diskmemload00:25:180
270849994,4cyclictest15866-1kworker/u9:122:34:433
270849990,2cyclictest0-21swapper/322:55:143
270789998,1cyclictest28-21ksoftirqd/223:55:162
270789998,1cyclictest28-21ksoftirqd/223:40:222
270789998,1cyclictest28-21ksoftirqd/222:05:192
270789998,1cyclictest28-21ksoftirqd/221:30:202
270789998,1cyclictest28-21ksoftirqd/200:35:272
270789998,1cyclictest28-21ksoftirqd/200:15:002
270789998,0cyclictest28-21ksoftirqd/223:46:402
270789997,1cyclictest28-21ksoftirqd/221:45:172
270789994,4cyclictest1158-21irqstats19:20:182
270629998,1cyclictest9-21ksoftirqd/023:55:310
270629998,1cyclictest9-21ksoftirqd/021:15:010
270629998,1cyclictest9-21ksoftirqd/020:05:130
20467290,0sleep10-21swapper/122:40:141
270849987,1cyclictest19207-21mailstats21:05:263
270849984,2cyclictest254-21systemd-journal23:22:513
270849984,2cyclictest254-21systemd-journal22:04:493
270849984,2cyclictest254-21systemd-journal00:39:563
270849983,2cyclictest254-21systemd-journal23:19:063
270849981,4cyclictest15957-21/usr/sbin/munin00:05:183
270789988,0cyclictest28-21ksoftirqd/221:19:262
270789987,1cyclictest28-21ksoftirqd/223:50:192
270789987,1cyclictest28-21ksoftirqd/223:25:172
270789987,1cyclictest28-21ksoftirqd/222:30:292
270789987,1cyclictest28-21ksoftirqd/222:20:152
270789987,1cyclictest28-21ksoftirqd/222:15:202
270789987,1cyclictest28-21ksoftirqd/221:55:232
270789987,1cyclictest28-21ksoftirqd/221:26:252
270789987,1cyclictest28-21ksoftirqd/221:10:132
270789986,1cyclictest60950irq/123-eno121:40:192
270789986,1cyclictest60950irq/123-eno120:45:232
270789986,1cyclictest28-21ksoftirqd/222:40:142
270789986,1cyclictest28-21ksoftirqd/222:30:002
270789986,1cyclictest28-21ksoftirqd/200:00:182
270789980,1cyclictest30368-21apt-get00:25:152
270719981,4cyclictest0-21swapper/122:10:121
270719981,4cyclictest0-21swapper/122:10:121
270719981,3cyclictest0-21swapper/123:01:331
270719980,5cyclictest0-21swapper/120:20:121
270629987,1cyclictest9-21ksoftirqd/021:50:010
270629986,1cyclictest9-21ksoftirqd/021:26:570
270629986,1cyclictest9-21ksoftirqd/020:20:010
270629986,1cyclictest9-21ksoftirqd/020:05:000
270629986,1cyclictest557-21nscd19:36:110
270629985,1cyclictest12176-21ssh21:41:050
270629983,2cyclictest254-21systemd-journal23:01:500
270629982,1cyclictest2790-21/usr/sbin/munin21:30:170
270629980,1cyclictest254-21systemd-journal22:55:200
270849976,1cyclictest24414-21ntpq00:15:223
270849975,1cyclictest8969-21ssh22:24:063
270849975,1cyclictest13630-21ssh21:45:043
270849975,1cyclictest12301-21ssh22:28:283
270849974,1cyclictest278-21systemd-udevd22:11:093
270849974,1cyclictest278-21systemd-udevd22:11:083
270849974,1cyclictest278-21systemd-udevd00:23:093
270849974,1cyclictest254-21systemd-journal22:51:503
270849974,0cyclictest19963-21diskmemload23:50:593
270849972,3cyclictest8893-21/usr/sbin/munin23:55:253
270849971,4cyclictest742-21runrttasks21:38:513
270849971,4cyclictest19913-21/usr/sbin/munin23:25:193
270849971,3cyclictest0-21swapper/322:45:113
270849970,6cyclictest852-21sh20:30:003
270849970,4cyclictest19963-21diskmemload21:20:563
270849970,2cyclictest0-21swapper/323:44:593
270789977,0cyclictest28-21ksoftirqd/220:40:142
270789976,1cyclictest28-21ksoftirqd/223:10:192
270789976,1cyclictest0-21swapper/219:50:182
270789975,1cyclictest60950irq/123-eno123:30:122
270789975,1cyclictest28-21ksoftirqd/222:35:152
270789975,1cyclictest28-21ksoftirqd/221:50:192
270789975,1cyclictest28-21ksoftirqd/220:25:012
270789975,1cyclictest28-21ksoftirqd/220:15:112
270789975,1cyclictest18988-21ntpq21:05:222
270789972,2cyclictest254-21systemd-journal20:15:002
270789971,1cyclictest0-21swapper/219:15:122
270789970,6cyclictest2815-21apt-get19:25:122
270789970,4cyclictest19963-21diskmemload22:02:482
270789970,4cyclictest10900-21aten2.4-expect20:50:152
270789970,4cyclictest0-21swapper/219:45:182
270789970,1cyclictest5773-21munin-plugin-st20:40:002
270789970,1cyclictest0-21swapper/223:38:402
270719971,2cyclictest0-21swapper/122:49:031
270719970,7cyclictest0-21swapper/119:10:141
270719970,6cyclictest200-21jbd2/sda2-820:45:561
270719970,5cyclictest0-21swapper/123:25:521
270719970,5cyclictest0-21swapper/100:26:091
270719970,3cyclictest0-21swapper/100:39:401
270719970,3cyclictest0-21swapper/100:34:511
270719970,3cyclictest0-21swapper/100:05:131
270719970,2cyclictest0-21swapper/121:10:211
270629976,1cyclictest9-21ksoftirqd/000:35:170
270629976,1cyclictest9-21ksoftirqd/000:32:550
270629976,1cyclictest803-21sshd23:34:180
270629976,1cyclictest7537-1kworker/u9:023:53:300
270629976,1cyclictest3937-1kworker/u9:223:48:250
270629973,2cyclictest254-21systemd-journal20:43:020
270629973,1cyclictest19963-21diskmemload00:22:040
270629972,3cyclictest19963-21diskmemload00:13:560
270629971,2cyclictest19963-21diskmemload22:15:160
270629970,6cyclictest27045-21ssh22:03:230
270629970,6cyclictest19963-21diskmemload22:40:200
270629970,6cyclictest19963-21diskmemload22:05:220
270629970,6cyclictest19963-21diskmemload00:06:340
270629970,6cyclictest19890-21ssh23:25:080
270629970,6cyclictest15476-21/usr/sbin/munin21:00:170
270629970,6cyclictest0-21swapper/022:25:120
270629970,6cyclictest0-21swapper/022:10:220
270629970,6cyclictest0-21swapper/022:10:220
270629970,6cyclictest0-21swapper/021:55:180
270629970,4cyclictest27401-21apt-get22:50:160
270629970,4cyclictest0-21swapper/023:20:010
270629970,3cyclictest3231-21/usr/sbin/munin20:35:000
270629970,1cyclictest8202-21sed21:35:190
270629970,1cyclictest686-21ssh23:42:540
270629970,1cyclictest6013-21apt-get22:20:120
270629970,1cyclictest19963-21diskmemload22:47:160
270629970,1cyclictest0-21swapper/023:23:130
270629970,1cyclictest0-21swapper/023:05:430
270629970,1cyclictest0-21swapper/021:15:150
270629970,1cyclictest0-21swapper/000:15:050
270849965,1cyclictest3505-21ssh00:31:113
270849965,1cyclictest35-21ksoftirqd/320:00:113
270849965,1cyclictest2739-21ssh21:30:023
270849965,1cyclictest22827-21ssh21:56:193
270849965,1cyclictest21414-21ssh00:10:513
270849965,1cyclictest20141-21ssh21:54:003
270849965,1cyclictest18588-21ssh22:36:033
270849964,1cyclictest21991-21ssh22:40:363
270849963,1cyclictest35-21ksoftirqd/319:59:543
270849963,1cyclictest254-21systemd-journal21:03:173
270849963,1cyclictest254-21systemd-journal20:59:473
270849962,2cyclictest254-21systemd-journal20:10:003
270849961,4cyclictest0-21swapper/321:25:133
270849961,3cyclictest25735-21ssh21:15:453
270849961,3cyclictest0-21swapper/323:45:263
270849960,6cyclictest0-21swapper/322:05:053
270849960,3cyclictest0-21swapper/323:35:123
270849960,3cyclictest0-21swapper/323:06:433
270849960,3cyclictest0-21swapper/321:10:123
270849960,2cyclictest0-21swapper/323:31:303
270849960,2cyclictest0-21swapper/323:00:533
270849960,2cyclictest0-21swapper/322:15:143
270849960,2cyclictest0-21swapper/300:25:253
270849960,2cyclictest0-21swapper/300:00:133
270849960,1cyclictest254-21systemd-journal20:35:003
270849960,1cyclictest0-21swapper/323:10:213
270789966,0cyclictest60950irq/123-eno121:35:102
270789966,0cyclictest60950irq/123-eno121:21:082
270789966,0cyclictest60950irq/123-eno120:03:202
270789966,0cyclictest60950irq/123-eno119:10:062
270789966,0cyclictest60950irq/123-eno100:30:132
270789966,0cyclictest28-21ksoftirqd/221:00:122
270789965,1cyclictest32299-21ntpq20:25:212
270789964,1cyclictest28-21ksoftirqd/219:30:142
270789960,6cyclictest0-21swapper/220:05:072
270719963,2cyclictest0-21swapper/123:05:281
270719961,3cyclictest0-21swapper/122:20:501
270719961,3cyclictest0-21swapper/120:00:151
270719961,3cyclictest0-21swapper/119:30:151
270719961,2cyclictest0-21swapper/121:55:001
270719961,2cyclictest0-21swapper/120:25:191
270719961,2cyclictest0-21swapper/100:15:171
270719960,6cyclictest0-21swapper/123:19:081
270719960,6cyclictest0-21swapper/100:14:421
270719960,5cyclictest0-21swapper/122:00:171
270719960,4cyclictest0-21swapper/123:10:261
270719960,4cyclictest0-21swapper/122:52:151
270719960,4cyclictest0-21swapper/121:44:401
270719960,4cyclictest0-21swapper/121:39:091
270719960,4cyclictest0-21swapper/121:16:571
270719960,4cyclictest0-21swapper/100:21:321
270719960,3cyclictest0-21swapper/123:24:331
270719960,3cyclictest0-21swapper/122:30:011
270719960,3cyclictest0-21swapper/100:00:521
270719960,2cyclictest0-21swapper/123:49:091
270719960,2cyclictest0-21swapper/123:36:561
270719960,2cyclictest0-21swapper/122:55:551
270719960,2cyclictest0-21swapper/122:27:301
270719960,2cyclictest0-21swapper/122:17:291
270719960,2cyclictest0-21swapper/121:56:571
270719960,2cyclictest0-21swapper/121:29:001
270719960,1cyclictest0-21swapper/119:40:131
270719960,0cyclictest0-21swapper/122:08:151
270629965,1cyclictest14258-21ssh22:30:220
270629964,1cyclictest17783-21ntp_states22:35:180
270629963,2cyclictest9181-21stty23:10:150
270629963,0cyclictest19963-21diskmemload21:51:210
270629960,6cyclictest12964-21ssh00:00:160
270629960,6cyclictest0-21swapper/020:53:320
270629960,6cyclictest0-21swapper/020:46:180
270629960,6cyclictest0-21swapper/020:11:160
270629960,6cyclictest0-21swapper/019:54:090
270629960,6cyclictest0-21swapper/019:22:460
270629960,5cyclictest5166-21/usr/sbin/munin19:30:160
270629960,1cyclictest27531-21ssh21:20:050
270629960,0cyclictest0-21swapper/021:08:510
270849954,1cyclictest7431-21sensors20:40:203
270849954,1cyclictest35-21ksoftirqd/319:15:003
270849954,1cyclictest13417-21ntpq19:45:163
270849953,1cyclictest32269-21chrt19:18:143
270849953,1cyclictest15397-21sed19:50:163
270849952,1cyclictest5475-21cpuspeed_turbos19:30:133
270849952,1cyclictest254-21systemd-journal20:48:163
270849950,5cyclictest0-21swapper/320:36:243
270849950,4cyclictest12029-21perf19:45:003
270849950,1cyclictest0-21swapper/319:25:113
270789955,0cyclictest60950irq/123-eno120:30:112
270789950,2cyclictest254-21systemd-journal19:35:162
270719954,1cyclictest0-21swapper/121:20:151
270719951,3cyclictest0-21swapper/119:25:131
270719951,2cyclictest0-21swapper/121:05:171
270719950,5cyclictest0-21swapper/123:56:161
270719950,5cyclictest0-21swapper/123:50:181
270719950,5cyclictest0-21swapper/119:45:161
270719950,4cyclictest0-21swapper/121:04:591
270719950,3cyclictest0-21swapper/123:40:091
270719950,3cyclictest0-21swapper/121:30:311
270719950,2cyclictest0-21swapper/123:30:121
270719950,2cyclictest0-21swapper/121:46:271
270719950,2cyclictest0-21swapper/120:10:151
270719950,1cyclictest0-21swapper/119:35:121
270629953,0cyclictest13650irq/124-ahci[0019:59:550
270629952,1cyclictest9-21ksoftirqd/019:47:160
270629950,5cyclictest0-21swapper/020:25:100
270629950,4cyclictest0-21swapper/019:15:130
270629950,0cyclictest0-21swapper/020:55:170
270849943,1cyclictest35-21ksoftirqd/320:50:143
270849942,1cyclictest28807-21apt-get20:20:133
270849942,1cyclictest24099-21aten_r1power_en20:10:133
270849941,1cyclictest32679-21apt-get19:20:143
270849940,3cyclictest8269-21grep19:35:143
270849940,3cyclictest26573-21telnet20:15:133
270719943,1cyclictest55792sleep120:37:421
270719941,3cyclictest0-21swapper/119:50:191
270719941,2cyclictest0-21swapper/120:15:111
270719940,4cyclictest0-21swapper/120:50:221
270719940,3cyclictest0-21swapper/121:00:001
270719940,3cyclictest0-21swapper/120:05:201
270719940,2cyclictest0-21swapper/120:40:121
270719940,2cyclictest0-21swapper/120:30:141
270719931,1cyclictest0-21swapper/119:20:141
270719931,1cyclictest0-21swapper/119:15:011
270719930,1cyclictest0-21swapper/119:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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