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2026-05-03 - 11:51
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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 all highest latencies:
System rack1slot1.osadl.org (updated Sun May 03, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224392216152,21sleep20-21swapper/219:06:322
223602211156,43sleep00-21swapper/019:05:310
206002210158,25sleep30-21swapper/319:05:103
226512198156,29sleep10-21swapper/119:09:181
27732650,0sleep20-21swapper/200:25:142
27732650,0sleep20-21swapper/200:25:142
10522640,0sleep10-21swapper/122:15:001
2279799150,1cyclictest25519-21apt-get23:30:023
2279799136,6cyclictest20864-21netstat00:05:163
2279799130,1cyclictest29998-21systemctl19:20:193
2279799130,0cyclictest0-21swapper/321:58:573
2279799130,0cyclictest0-21swapper/319:50:203
2277899130,12cyclictest0-21swapper/023:50:170
2279799122,9cyclictest15434-21diskmemload21:40:003
2279799121,10cyclictest15434-21diskmemload22:01:453
2279799120,1cyclictest16362-21aten_r1power_cu22:35:113
2279799120,1cyclictest15434-21diskmemload23:48:183
2279799120,0cyclictest15434-21diskmemload22:40:523
2279799120,0cyclictest0-21swapper/320:00:193
22778991210,1cyclictest9-21ksoftirqd/020:50:000
2279799113,7cyclictest15434-21diskmemload23:42:323
2279799113,7cyclictest15434-21diskmemload00:35:303
2279799111,1cyclictest3763-21latency_hist20:44:593
2279799111,1cyclictest15434-21diskmemload00:00:443
2279799110,10cyclictest32607-21ssh23:39:313
2279799110,1cyclictest15663-21ssh21:10:053
2279799110,1cyclictest0-21swapper/323:06:273
2279799110,0cyclictest0-21swapper/321:15:173
147132110,0sleep20-21swapper/221:05:202
2279799106,4cyclictest26221-21ssh00:13:003
2279799102,1cyclictest2344-21memory22:15:173
2279799102,0cyclictest15434-21diskmemload23:57:153
2279799100,4cyclictest0-21swapper/323:12:493
2279799100,3cyclictest0-21swapper/322:06:543
2279799100,2cyclictest0-21swapper/321:20:123
2279799100,2cyclictest0-21swapper/300:22:253
2279799100,1cyclictest240-21systemd-journal20:54:423
2279799100,1cyclictest18619-21ls20:05:173
2279799100,1cyclictest15949-21taskset22:34:403
2279799100,1cyclictest0-21swapper/322:20:463
2279799100,1cyclictest0-21swapper/320:00:003
2279799100,0cyclictest15434-21diskmemload00:29:533
2279799100,0cyclictest15434-21diskmemload00:29:523
2279799100,0cyclictest0-21swapper/322:55:173
2279799100,0cyclictest0-21swapper/322:25:113
2279799100,0cyclictest0-21swapper/321:25:073
2277899109,1cyclictest9-21ksoftirqd/023:50:000
2277899109,1cyclictest15434-21diskmemload23:37:140
2277899100,4cyclictest240-21systemd-journal21:30:580
23753298,0sleep228-21ksoftirqd/221:20:102
227979995,4cyclictest32105-21ssh22:11:203
227979995,4cyclictest16960-21ssh21:51:073
227979993,6cyclictest15434-21diskmemload21:30:083
227979992,1cyclictest15434-21diskmemload23:26:263
227979992,1cyclictest15434-21diskmemload23:26:263
227979992,0cyclictest15434-21diskmemload23:17:313
227979992,0cyclictest15434-21diskmemload21:42:363
227979991,0cyclictest15434-21diskmemload23:02:103
227979990,8cyclictest30747-21munin-run00:20:003
227979990,1cyclictest240-21systemd-journal20:35:003
227979990,1cyclictest240-21systemd-journal20:25:003
227979990,1cyclictest240-21systemd-journal19:20:013
227979990,1cyclictest12615-21sed21:00:213
227979990,1cyclictest0-21swapper/300:34:013
227979990,0cyclictest8580-21/usr/sbin/munin20:55:123
227979990,0cyclictest15434-21diskmemload22:49:543
227979990,0cyclictest0-21swapper/321:46:463
227979990,0cyclictest0-21swapper/320:10:163
227809998,1cyclictest28-21ksoftirqd/219:43:402
227809990,4cyclictest23488-21apt-get00:10:122
227799990,4cyclictest0-21swapper/123:10:111
227789992,6cyclictest719-21perf19:29:590
227789990,7cyclictest25147-21munin-node23:31:480
227789990,1cyclictest240-21systemd-journal20:23:410
227979984,4cyclictest10299-21ssh23:50:353
227979982,1cyclictest32107-21ntp_kernel_pll_19:25:173
227979982,1cyclictest28471-21smartctl22:50:133
227979982,1cyclictest10097-21latency_hist19:50:003
227979981,1cyclictest15434-21diskmemload23:22:133
227979980,7cyclictest5988-21latency_hist20:50:003
227979980,1cyclictest240-21systemd-journal21:05:573
227979980,1cyclictest240-21systemd-journal20:36:403
227979980,1cyclictest240-21systemd-journal20:26:113
227979980,1cyclictest240-21systemd-journal19:36:103
227809988,0cyclictest0-21swapper/222:45:172
227809988,0cyclictest0-21swapper/222:20:142
227809987,1cyclictest28-21ksoftirqd/223:30:012
227809987,1cyclictest28-21ksoftirqd/223:30:002
227809986,1cyclictest61650irq/122-eno122:35:112
227809986,1cyclictest61650irq/122-eno122:10:112
227809986,1cyclictest28-21ksoftirqd/219:15:012
227809985,1cyclictest61650irq/122-eno123:50:012
227809980,5cyclictest3014-21ssh21:34:342
227809980,1cyclictest7062-21diskstats23:05:132
227799980,4cyclictest0-21swapper/123:30:121
227799980,4cyclictest0-21swapper/123:15:251
227789986,1cyclictest9-21ksoftirqd/020:04:050
227789986,1cyclictest570-21nscd23:11:000
227789986,1cyclictest32354-21ssh22:55:170
227789980,7cyclictest32358-21ssh22:12:020
227789980,7cyclictest0-21swapper/000:00:210
227789980,1cyclictest0-21swapper/022:45:100
227979971,1cyclictest22124-21apt-get20:15:093
227979970,1cyclictest240-21systemd-journal19:14:103
227979970,1cyclictest0-21swapper/319:32:093
227979970,0cyclictest0-21swapper/319:40:133
227809977,0cyclictest61650irq/122-eno122:29:312
227809976,1cyclictest61650irq/122-eno123:56:302
227809976,1cyclictest61650irq/122-eno123:46:462
227809976,1cyclictest61650irq/122-eno123:40:192
227809976,1cyclictest61650irq/122-eno123:30:202
227809976,1cyclictest61650irq/122-eno123:17:192
227809976,1cyclictest61650irq/122-eno122:57:582
227809976,1cyclictest61650irq/122-eno122:51:002
227809976,1cyclictest61650irq/122-eno122:00:132
227809976,1cyclictest61650irq/122-eno121:43:082
227809976,1cyclictest61650irq/122-eno121:26:142
227809976,1cyclictest61650irq/122-eno120:00:202
227809976,1cyclictest61650irq/122-eno100:35:402
227809976,1cyclictest61650irq/122-eno100:15:012
227809976,1cyclictest61650irq/122-eno100:02:402
227809976,1cyclictest5033-21ntpq20:45:192
227809976,1cyclictest28-21ksoftirqd/221:05:002
227809975,1cyclictest61650irq/122-eno122:40:142
227809975,1cyclictest61650irq/122-eno122:05:152
227809975,1cyclictest29512-21cat19:20:142
227809975,1cyclictest28-21ksoftirqd/219:15:012
227809971,3cyclictest0-21swapper/220:25:092
227809970,2cyclictest0-21swapper/221:17:352
227799972,2cyclictest267092sleep121:23:141
227799971,3cyclictest0-21swapper/121:28:051
227799971,3cyclictest0-21swapper/100:11:351
227799970,7cyclictest0-21swapper/100:08:261
227799970,6cyclictest0-21swapper/119:30:151
227799970,6cyclictest0-21swapper/100:16:221
227799970,5cyclictest0-21swapper/120:05:161
227799970,4cyclictest0-21swapper/122:46:571
227799970,4cyclictest0-21swapper/121:57:111
227789976,1cyclictest26569-21ssh00:13:580
227789975,1cyclictest7761-21perf19:44:590
227789975,1cyclictest32476-21irqstats20:35:160
227789975,1cyclictest28834-21ntp_states22:50:170
227789975,1cyclictest28770-21timerandwakeup00:15:210
227789975,1cyclictest17818-21ssh23:20:040
227789974,2cyclictest1-21systemd00:24:070
227789971,6cyclictest14996-21ssh22:32:030
227789971,5cyclictest4779-21apt22:20:000
227789971,5cyclictest23847-21telnet21:20:100
227789971,5cyclictest18145-21ssh22:35:210
227789970,6cyclictest5925-21ssh22:20:160
227789970,6cyclictest28908-21irqstats21:25:150
227789970,6cyclictest17542-21ssh21:10:400
227789970,6cyclictest12094-21ssh00:35:580
227789970,6cyclictest0-21swapper/000:30:120
227789970,1cyclictest3027-21ssh23:41:210
227789970,1cyclictest240-21systemd-journal23:09:440
227789970,1cyclictest240-21systemd-journal21:10:000
227789970,1cyclictest21364-21ssh21:15:270
227789970,1cyclictest16071-21ssh23:15:580
227789970,1cyclictest15434-21diskmemload21:56:120
227789970,1cyclictest15434-21diskmemload21:43:300
227789970,1cyclictest15434-21diskmemload21:35:290
227789970,1cyclictest12937-21ssh21:45:250
227789970,1cyclictest0-21swapper/023:58:440
227789970,1cyclictest0-21swapper/022:40:150
227789970,1cyclictest0-21swapper/022:25:110
227789970,1cyclictest0-21swapper/000:06:380
4219260,1sleep10-21swapper/123:00:191
227809966,0cyclictest61650irq/122-eno123:35:192
227809966,0cyclictest61650irq/122-eno123:23:572
227809966,0cyclictest61650irq/122-eno122:15:122
227809966,0cyclictest61650irq/122-eno121:53:132
227809966,0cyclictest61650irq/122-eno121:35:232
227809966,0cyclictest61650irq/122-eno120:55:072
227809966,0cyclictest61650irq/122-eno120:22:032
227809966,0cyclictest61650irq/122-eno120:05:592
227809966,0cyclictest61650irq/122-eno119:50:562
227809966,0cyclictest61650irq/122-eno119:27:232
227809966,0cyclictest61650irq/122-eno100:30:132
227809966,0cyclictest61650irq/122-eno100:20:462
227809966,0cyclictest61650irq/122-eno100:05:192
227809966,0cyclictest28-21ksoftirqd/223:10:112
227809965,1cyclictest61650irq/122-eno121:55:172
227809965,1cyclictest28-21ksoftirqd/223:00:162
227809965,1cyclictest12543-21ssh22:30:022
227809964,1cyclictest61650irq/122-eno121:10:202
227809964,1cyclictest11132-21ssh21:45:112
227809964,1cyclictest0-21swapper/219:45:222
227809963,1cyclictest30136-21grep20:30:152
227809960,6cyclictest0-21swapper/220:35:172
227809960,3cyclictest0-21swapper/219:55:122
227799962,3cyclictest7301-21chrt22:21:331
227799960,6cyclictest0-21swapper/123:59:271
227799960,6cyclictest0-21swapper/123:22:351
227799960,6cyclictest0-21swapper/120:29:461
227799960,5cyclictest0-21swapper/120:20:091
227799960,4cyclictest0-21swapper/123:06:141
227799960,4cyclictest0-21swapper/121:19:361
227799960,3cyclictest0-21swapper/122:51:031
227799960,2cyclictest0-21swapper/122:40:141
227799960,2cyclictest0-21swapper/122:04:291
227799960,2cyclictest0-21swapper/100:35:111
227799960,2cyclictest0-21swapper/100:00:171
227799960,1cyclictest0-21swapper/122:30:111
227799960,0cyclictest0-21swapper/123:25:121
227799960,0cyclictest0-21swapper/123:25:111
227799960,0cyclictest0-21swapper/121:35:331
227789965,1cyclictest9-21ksoftirqd/019:36:440
227789965,1cyclictest21769-21telnet23:25:110
227789965,1cyclictest21769-21telnet23:25:110
227789965,1cyclictest2038-21ntpq19:30:180
227789965,1cyclictest0-21swapper/020:05:130
227789962,1cyclictest0-21swapper/019:15:120
227789961,0cyclictest4782-21ssh23:00:540
227789960,6cyclictest22492-21hostname22:00:120
227789960,6cyclictest0-21swapper/022:05:120
227789960,6cyclictest0-21swapper/021:50:190
227789960,6cyclictest0-21swapper/021:01:590
227789960,6cyclictest0-21swapper/020:26:270
227789960,6cyclictest0-21swapper/019:56:020
227789960,6cyclictest0-21swapper/019:10:100
227789960,5cyclictest0-21swapper/019:45:160
227789960,0cyclictest0-21swapper/020:15:130
227789960,0cyclictest0-21swapper/019:50:370
227789960,0cyclictest0-21swapper/019:22:020
227789960,0cyclictest0-21swapper/000:25:040
227789960,0cyclictest0-21swapper/000:25:040
227809955,0cyclictest61650irq/122-eno120:50:062
227809955,0cyclictest61650irq/122-eno120:40:162
227809955,0cyclictest61650irq/122-eno119:35:572
227809955,0cyclictest61650irq/122-eno119:30:232
227809950,4cyclictest0-21swapper/220:15:122
227809950,4cyclictest0-21swapper/220:10:122
227799955,0cyclictest0-21swapper/123:45:161
227799952,1cyclictest0-21swapper/121:05:181
227799951,4cyclictest0-21swapper/121:14:301
227799950,5cyclictest0-21swapper/122:55:151
227799950,5cyclictest0-21swapper/120:52:071
227799950,5cyclictest0-21swapper/120:40:571
227799950,5cyclictest0-21swapper/119:44:581
227799950,5cyclictest0-21swapper/119:22:331
227799950,5cyclictest0-21swapper/119:11:221
227799950,3cyclictest0-21swapper/123:40:411
227799950,3cyclictest0-21swapper/122:38:301
227799950,3cyclictest0-21swapper/121:48:471
227799950,3cyclictest0-21swapper/121:40:131
227799950,3cyclictest0-21swapper/100:32:281
227799950,2cyclictest0-21swapper/119:55:191
227799950,1cyclictest0-21swapper/122:17:011
227799950,1cyclictest0-21swapper/121:30:191
227799950,1cyclictest0-21swapper/121:00:161
227799950,1cyclictest0-21swapper/100:22:131
227789953,1cyclictest2664-21grep20:40:150
227789952,0cyclictest6989-21gltestperf20:50:140
227789951,3cyclictest19897-21telnet20:10:120
227789950,0cyclictest0-21swapper/020:55:050
227789950,0cyclictest0-21swapper/020:31:540
227799941,2cyclictest0-21swapper/119:25:111
227799940,4cyclictest0-21swapper/120:01:331
227799940,4cyclictest0-21swapper/119:36:021
227799940,3cyclictest0-21swapper/122:25:141
227799940,3cyclictest0-21swapper/119:45:131
227799940,3cyclictest0-21swapper/119:15:111
227799940,2cyclictest0-21swapper/123:50:281
227799940,2cyclictest0-21swapper/123:38:171
227799940,2cyclictest0-21swapper/122:05:141
227799940,2cyclictest0-21swapper/120:45:131
227799940,2cyclictest0-21swapper/120:35:111
227799940,2cyclictest0-21swapper/100:27:411
227799940,2cyclictest0-21swapper/100:27:411
227799940,1cyclictest0-21swapper/121:50:481
227799940,1cyclictest0-21swapper/120:55:121
227799940,0cyclictest0-21swapper/120:31:351
227799931,1cyclictest0-21swapper/120:15:101
227799931,1cyclictest0-21swapper/119:50:101
227799930,1cyclictest0-21swapper/120:10:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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