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2026-05-20 - 08:46
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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 Wed May 20, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37802226151,25sleep20-21swapper/219:07:312
37712210158,26sleep30-21swapper/319:07:233
36342197158,26sleep00-21swapper/019:05:350
38362196158,25sleep10-21swapper/119:08:131
23642780,0sleep10-21swapper/122:40:191
91422550,0sleep00-21swapper/000:16:240
304342200,0sleep00-21swapper/020:00:190
235302180,0sleep10-21swapper/123:10:121
4078991413,1cyclictest0-21swapper/221:55:112
4078991412,1cyclictest28-21ksoftirqd/222:20:012
4078991412,1cyclictest28-21ksoftirqd/222:20:012
34702140,0sleep30-21swapper/300:10:133
4061991312,1cyclictest9-21ksoftirqd/023:29:590
185192130,0sleep10-21swapper/122:20:141
4086991210,1cyclictest35-21ksoftirqd/323:34:593
4078991211,1cyclictest28-21ksoftirqd/221:10:312
4078991211,1cyclictest28-21ksoftirqd/220:50:012
4078991211,1cyclictest28-21ksoftirqd/200:33:052
4078991210,1cyclictest28-21ksoftirqd/222:52:412
4078991210,1cyclictest28-21ksoftirqd/222:00:112
4078991210,1cyclictest28-21ksoftirqd/200:05:012
406199120,11cyclictest0-21swapper/022:40:110
115542120,0sleep10-21swapper/120:30:161
408699119,1cyclictest35-21ksoftirqd/323:55:143
408699119,1cyclictest35-21ksoftirqd/321:40:153
4086991110,1cyclictest35-21ksoftirqd/322:50:003
4086991110,1cyclictest35-21ksoftirqd/321:50:003
4086991110,1cyclictest35-21ksoftirqd/321:40:003
4086991110,1cyclictest35-21ksoftirqd/320:45:013
407899119,1cyclictest28-21ksoftirqd/221:50:172
407899119,1cyclictest28-21ksoftirqd/200:05:002
4078991110,1cyclictest28-21ksoftirqd/223:20:132
4061991111,0cyclictest9-21ksoftirqd/000:25:000
408699109,1cyclictest35-21ksoftirqd/323:10:123
408699109,1cyclictest35-21ksoftirqd/322:44:593
408699109,1cyclictest35-21ksoftirqd/300:35:003
408699108,1cyclictest35-21ksoftirqd/322:20:013
408699108,1cyclictest35-21ksoftirqd/322:20:003
407899109,1cyclictest28-21ksoftirqd/223:47:142
407899109,1cyclictest28-21ksoftirqd/222:25:012
407899109,1cyclictest28-21ksoftirqd/221:40:202
407899108,1cyclictest28-21ksoftirqd/221:25:172
407899108,1cyclictest28-21ksoftirqd/219:20:152
407899108,1cyclictest28-21ksoftirqd/200:10:152
407899100,9cyclictest0-21swapper/219:29:042
407899100,6cyclictest61650irq/122-eno123:34:452
407099106,4cyclictest56-21kworker/1:100:07:311
407099106,4cyclictest0-21swapper/122:49:101
406199109,1cyclictest9-21ksoftirqd/021:40:010
406199109,1cyclictest9-21ksoftirqd/021:34:300
406199109,1cyclictest9-21ksoftirqd/000:40:000
406199109,1cyclictest9-21ksoftirqd/000:05:000
406199100,6cyclictest561-21nscd19:55:110
40869999,0cyclictest35-21ksoftirqd/323:20:133
40869999,0cyclictest35-21ksoftirqd/322:50:183
40869999,0cyclictest35-21ksoftirqd/321:25:003
40869998,1cyclictest35-21ksoftirqd/323:05:123
40869998,1cyclictest35-21ksoftirqd/300:05:013
40869997,1cyclictest35-21ksoftirqd/322:55:123
40869997,1cyclictest35-21ksoftirqd/320:25:003
40789998,1cyclictest28-21ksoftirqd/223:25:192
40789998,1cyclictest28-21ksoftirqd/222:10:202
40789998,1cyclictest28-21ksoftirqd/222:10:192
40789998,1cyclictest28-21ksoftirqd/220:25:122
40789998,1cyclictest28-21ksoftirqd/200:25:132
40789997,1cyclictest28-21ksoftirqd/222:26:052
40789997,1cyclictest28-21ksoftirqd/219:50:152
40789997,1cyclictest28-21ksoftirqd/219:35:012
40789997,1cyclictest28-21ksoftirqd/200:15:202
40789995,3cyclictest28-21ksoftirqd/222:37:232
40789990,9cyclictest0-21swapper/222:09:312
40709990,9cyclictest21-21ksoftirqd/122:04:221
40619998,1cyclictest9-21ksoftirqd/021:45:150
40619998,1cyclictest9-21ksoftirqd/021:14:590
40619997,1cyclictest9-21ksoftirqd/019:45:010
29990290,0sleep329382-21diskmemload22:35:153
18072290,1sleep3240-21systemd-journal00:29:593
40869988,0cyclictest35-21ksoftirqd/322:10:013
40869987,1cyclictest35-21ksoftirqd/320:30:013
40869986,1cyclictest35-21ksoftirqd/320:15:133
40869986,1cyclictest16791-21apt-get19:35:123
40869986,1cyclictest16791-21apt-get19:35:113
40789988,0cyclictest28-21ksoftirqd/223:17:142
40789988,0cyclictest28-21ksoftirqd/222:42:082
40789987,1cyclictest28-21ksoftirqd/223:40:332
40789987,1cyclictest28-21ksoftirqd/223:00:192
40789987,1cyclictest28-21ksoftirqd/221:30:182
40789987,1cyclictest28-21ksoftirqd/221:15:212
40789987,1cyclictest28-21ksoftirqd/220:05:142
40789987,0cyclictest28-21ksoftirqd/223:55:162
40789986,1cyclictest28-21ksoftirqd/223:06:062
40789986,1cyclictest28-21ksoftirqd/221:22:332
40789986,1cyclictest28-21ksoftirqd/220:59:592
40789985,1cyclictest28-21ksoftirqd/221:05:002
40789983,3cyclictest61650irq/122-eno121:35:202
40789982,5cyclictest10733-21apt-get20:30:122
40709980,8cyclictest0-21swapper/120:25:191
40709980,7cyclictest0-21swapper/120:05:201
40709980,5cyclictest0-21swapper/100:25:171
40709980,2cyclictest0-21swapper/121:55:101
40619988,0cyclictest9-21ksoftirqd/023:45:140
40619987,1cyclictest9-21ksoftirqd/023:42:540
40619987,1cyclictest9-21ksoftirqd/021:55:130
40619987,1cyclictest19429-21ssh23:05:090
40619986,1cyclictest9-21ksoftirqd/023:05:010
40619986,1cyclictest15080-21ssh22:15:150
40619986,1cyclictest15080-21ssh22:15:140
40619982,5cyclictest29382-21diskmemload23:52:090
40619982,3cyclictest15498-21perf23:00:010
40619981,1cyclictest240-21systemd-journal23:59:450
40619980,7cyclictest17206-21ssh00:27:310
40619980,6cyclictest240-21systemd-journal21:17:100
29799280,0sleep10-21swapper/123:18:331
40869977,0cyclictest35-21ksoftirqd/322:30:133
40869977,0cyclictest341rcuc/319:20:113
40869976,1cyclictest35-21ksoftirqd/323:40:003
40869976,1cyclictest35-21ksoftirqd/323:00:013
40869976,1cyclictest35-21ksoftirqd/321:35:003
40869976,1cyclictest35-21ksoftirqd/321:10:153
40869976,1cyclictest35-21ksoftirqd/321:10:003
40869976,1cyclictest35-21ksoftirqd/320:55:133
40869976,1cyclictest35-21ksoftirqd/320:55:003
40869975,1cyclictest9695-21ssh00:17:573
40869975,1cyclictest35-21ksoftirqd/319:15:003
40869970,3cyclictest0-21swapper/321:56:393
40869970,2cyclictest29382-21diskmemload21:50:133
40789977,0cyclictest28-21ksoftirqd/219:15:002
40789976,1cyclictest61650irq/122-eno123:35:172
40789976,1cyclictest61650irq/122-eno123:10:102
40789976,1cyclictest28-21ksoftirqd/222:30:092
40789976,1cyclictest28-21ksoftirqd/219:40:132
40789976,1cyclictest28-21ksoftirqd/200:20:132
40789976,1cyclictest18341-21kworker/2:219:55:102
40789975,1cyclictest61650irq/122-eno122:55:202
40789975,1cyclictest61650irq/122-eno121:45:132
40789975,1cyclictest61650irq/122-eno120:20:132
40789975,1cyclictest61650irq/122-eno119:45:182
40789975,1cyclictest45411/usr/sbin/munin22:45:132
40789975,1cyclictest28-21ksoftirqd/221:05:152
40789975,1cyclictest28-21ksoftirqd/220:40:012
40709977,0cyclictest21-21ksoftirqd/123:29:591
40709974,0cyclictest21-21ksoftirqd/123:45:091
40709970,7cyclictest0-21swapper/100:01:101
40709970,6cyclictest0-21swapper/123:57:421
40709970,5cyclictest0-21swapper/121:19:381
40709970,4cyclictest0-21swapper/122:11:121
40709970,4cyclictest0-21swapper/122:11:111
40709970,4cyclictest0-21swapper/100:11:391
40709970,0cyclictest0-21swapper/119:50:151
40619976,1cyclictest9-21ksoftirqd/023:30:130
40619976,1cyclictest9-21ksoftirqd/023:15:010
40619976,1cyclictest9-21ksoftirqd/019:35:140
40619976,1cyclictest9-21ksoftirqd/019:35:140
40619976,1cyclictest23406-21cat20:55:140
40619975,1cyclictest9-21ksoftirqd/020:20:010
40619975,1cyclictest25742-21/usr/sbin/munin22:30:150
40619975,1cyclictest10869-21head21:25:200
40619975,1cyclictest0-21swapper/021:40:180
40619971,5cyclictest1114-1kworker/u9:021:20:030
40619971,1cyclictest32098-21sed23:20:210
40619970,6cyclictest7106-21apt22:05:110
40619970,6cyclictest3253-21/usr/sbin/munin00:10:200
40619970,6cyclictest28098-21aten_r1power_fr00:00:140
40619970,6cyclictest0-21swapper/022:20:210
40619970,6cyclictest0-21swapper/020:25:120
40619970,6cyclictest0-21swapper/019:45:150
40619970,6cyclictest0-21swapper/019:10:150
40619970,1cyclictest29975-21ssh21:50:260
40619970,1cyclictest27265-21cstates23:15:150
40619970,1cyclictest240-21systemd-journal22:14:270
40619970,1cyclictest240-21systemd-journal22:14:260
40619970,1cyclictest18887-21diskstats00:30:150
40619970,1cyclictest0-21swapper/022:25:200
40869966,0cyclictest35-21ksoftirqd/323:25:163
40869966,0cyclictest35-21ksoftirqd/319:45:013
40869966,0cyclictest35-21ksoftirqd/300:20:173
40869965,1cyclictest5599-21ssh22:01:363
40869965,1cyclictest3971-21ssh21:18:033
40869965,1cyclictest35-21ksoftirqd/320:50:003
40869965,1cyclictest30130-21ssh00:01:143
40869965,1cyclictest24068-21ssh00:35:533
40869965,1cyclictest20527-21ssh22:21:333
40869965,1cyclictest10029-21ssh21:25:153
40869964,1cyclictest19405-21ssh23:47:363
40869964,0cyclictest29382-21diskmemload22:26:343
40869963,1cyclictest29382-21diskmemload23:51:523
40869962,3cyclictest28330-21grep19:55:203
40869962,3cyclictest24765-21fschecks_time19:50:153
40869961,1cyclictest0-21swapper/322:11:523
40869961,1cyclictest0-21swapper/322:11:523
40869960,1cyclictest0-21swapper/320:30:113
40789966,0cyclictest28-21ksoftirqd/220:15:042
40789965,0cyclictest61650irq/122-eno120:50:112
40789964,1cyclictest31126-21ls20:05:002
40789964,1cyclictest28-21ksoftirqd/200:35:162
40789964,1cyclictest22145-21sed23:50:202
40789964,1cyclictest18341-21kworker/2:219:10:152
40789960,5cyclictest0-21swapper/219:35:122
40789960,5cyclictest0-21swapper/219:35:122
40709966,0cyclictest0-21swapper/122:38:591
40709966,0cyclictest0-21swapper/100:24:311
40709961,2cyclictest0-21swapper/123:00:161
40709960,6cyclictest21-21ksoftirqd/121:20:191
40709960,6cyclictest0-21swapper/122:30:191
40709960,6cyclictest0-21swapper/119:20:151
40709960,6cyclictest0-21swapper/119:11:051
40709960,5cyclictest0-21swapper/119:20:011
40709960,4cyclictest0-21swapper/123:41:081
40709960,1cyclictest0-21swapper/121:30:121
40709960,0cyclictest0-21swapper/122:59:361
40709960,0cyclictest0-21swapper/121:38:231
40619965,1cyclictest9-21ksoftirqd/023:35:130
40619965,1cyclictest0-21swapper/022:35:120
40619964,1cyclictest9-21ksoftirqd/020:45:190
40619963,2cyclictest15196-21cron20:40:010
40619960,6cyclictest0-21swapper/019:29:390
40619960,6cyclictest0-21swapper/019:23:570
40619960,1cyclictest12850-21munin-run20:35:000
40619960,1cyclictest0-21swapper/022:00:160
40619960,0cyclictest0-21swapper/022:51:180
40619960,0cyclictest0-21swapper/022:45:200
40619960,0cyclictest0-21swapper/021:08:320
40619960,0cyclictest0-21swapper/020:50:110
40619960,0cyclictest0-21swapper/020:41:510
40619960,0cyclictest0-21swapper/020:08:530
40619960,0cyclictest0-21swapper/019:50:020
40869955,0cyclictest35-21ksoftirqd/320:35:153
40869954,1cyclictest35-21ksoftirqd/323:15:153
40869954,0cyclictest29382-21diskmemload23:43:073
40869950,2cyclictest0-21swapper/320:10:133
40869950,1cyclictest7309-21aten_r1power_cu19:15:123
40869950,1cyclictest0-21swapper/320:00:193
40789955,0cyclictest61650irq/122-eno120:40:122
40789950,3cyclictest0-21swapper/220:10:122
40709955,0cyclictest21-21ksoftirqd/100:35:151
40709954,1cyclictest0-21swapper/119:40:091
40709953,1cyclictest99142sleep122:08:161
40709953,1cyclictest21943-21chrt20:50:451
40709952,2cyclictest0-21swapper/122:15:221
40709952,2cyclictest0-21swapper/122:15:211
40709952,1cyclictest0-21swapper/100:19:251
40709951,2cyclictest0-21swapper/122:50:111
40709951,2cyclictest0-21swapper/121:50:121
40709951,2cyclictest0-21swapper/121:40:141
40709950,5cyclictest0-21swapper/123:30:171
40709950,5cyclictest0-21swapper/119:33:401
40709950,4cyclictest0-21swapper/123:50:561
40709950,4cyclictest0-21swapper/123:21:371
40709950,4cyclictest0-21swapper/123:05:571
40709950,4cyclictest0-21swapper/121:10:121
40709950,4cyclictest0-21swapper/120:45:101
40709950,4cyclictest0-21swapper/120:20:191
40709950,4cyclictest0-21swapper/100:33:091
40709950,3cyclictest0-21swapper/123:36:201
40709950,3cyclictest0-21swapper/121:47:281
40709950,2cyclictest0-21swapper/121:26:001
40709950,1cyclictest0-21swapper/120:44:561
40709950,1cyclictest0-21swapper/119:55:011
40709950,0cyclictest0-21swapper/119:25:121
40619954,1cyclictest9-21ksoftirqd/020:20:140
40619954,1cyclictest9-21ksoftirqd/019:30:110
40619951,1cyclictest8346-21missed_timers19:15:160
40619950,5cyclictest0-21swapper/020:10:200
40619950,2cyclictest0-21swapper/021:00:100
25253250,0sleep10-21swapper/122:29:271
15318250,1sleep315322-21kernelversion19:30:153
40869944,0cyclictest35-21ksoftirqd/319:25:133
40869942,1cyclictest25856-21latency21:00:163
40869941,1cyclictest240-21systemd-journal19:45:233
40869940,3cyclictest0-21swapper/320:05:183
40709944,0cyclictest0-21swapper/120:55:221
40709943,1cyclictest3355-21chrt20:14:341
40709942,1cyclictest289862sleep119:59:591
40709941,2cyclictest0-21swapper/121:00:111
40709941,2cyclictest0-21swapper/120:15:121
40709941,2cyclictest0-21swapper/119:45:181
40709941,1cyclictest0-21swapper/121:05:111
40709941,1cyclictest0-21swapper/120:35:111
40709930,3cyclictest16780-21taskset19:35:051
40709930,3cyclictest16780-21taskset19:35:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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