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2025-12-25 - 08:28
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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 Thu Dec 25, 2025 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323512225158,52sleep20-21swapper/219:05:042
17922222150,58sleep00-21swapper/019:06:430
17902207162,25sleep30-21swapper/319:06:423
17592201145,43sleep10-21swapper/119:06:191
322412550,1sleep032242-21apt-get23:35:110
2131991614,1cyclictest28-21ksoftirqd/200:29:592
2118991513,1cyclictest9-21ksoftirqd/019:34:590
2131991311,1cyclictest28-21ksoftirqd/220:24:592
2118991210,1cyclictest9-21ksoftirqd/021:20:000
214299119,1cyclictest35-21ksoftirqd/323:34:593
214299118,1cyclictest35-21ksoftirqd/320:10:003
213199105,4cyclictest28-21ksoftirqd/223:20:122
212299100,3cyclictest0-21swapper/122:35:111
211899109,1cyclictest9-21ksoftirqd/023:05:000
211899108,1cyclictest9-21ksoftirqd/019:55:010
21429991,7cyclictest6903-21/usr/sbin/munin23:50:163
21319997,1cyclictest28-21ksoftirqd/220:05:012
21319997,1cyclictest28-21ksoftirqd/220:05:012
21319997,1cyclictest28-21ksoftirqd/219:50:012
21189998,1cyclictest9-21ksoftirqd/021:30:000
21429986,1cyclictest707-21snmpd23:39:503
21429986,1cyclictest707-21snmpd22:09:023
21429986,1cyclictest707-21snmpd22:00:323
21429986,1cyclictest707-21snmpd22:00:323
21429986,1cyclictest707-21snmpd21:45:553
21429986,1cyclictest707-21snmpd20:54:333
21429986,1cyclictest707-21snmpd19:51:243
21429986,1cyclictest707-21snmpd19:30:533
21429986,1cyclictest707-21snmpd00:15:423
21429981,3cyclictest0-21swapper/323:55:143
21319986,1cyclictest707-21snmpd21:30:192
21319986,1cyclictest707-21snmpd20:50:412
21319986,1cyclictest61650irq/122-eno122:45:012
21319986,1cyclictest28-21ksoftirqd/221:05:012
21319986,1cyclictest28-21ksoftirqd/221:05:002
21319986,1cyclictest28-21ksoftirqd/219:45:012
21319986,1cyclictest0-21swapper/222:20:152
21319982,2cyclictest17336-21latency_hist19:40:012
21229981,6cyclictest0-21swapper/121:30:481
21189986,1cyclictest9-21ksoftirqd/020:24:590
21189986,1cyclictest707-21snmpd23:41:430
21189986,1cyclictest707-21snmpd23:34:430
21189986,1cyclictest707-21snmpd21:54:450
21189986,1cyclictest119092sleep019:26:060
21189984,2cyclictest707-21snmpd23:20:150
21189984,2cyclictest548-21systemd-logind23:17:070
21189980,3cyclictest30254-21munin-run00:40:000
21429976,1cyclictest707-21snmpd21:42:433
21429976,1cyclictest35-21ksoftirqd/321:40:013
21429976,1cyclictest35-21ksoftirqd/320:40:003
21429976,1cyclictest22467-21sensors00:20:183
21429975,1cyclictest707-21snmpd23:46:373
21429975,1cyclictest707-21snmpd22:57:033
21429975,1cyclictest707-21snmpd22:57:023
21429975,1cyclictest707-21snmpd22:41:293
21429975,1cyclictest707-21snmpd22:16:553
21429975,1cyclictest707-21snmpd22:14:473
21429975,1cyclictest707-21snmpd20:03:213
21429975,1cyclictest707-21snmpd20:03:213
21429975,1cyclictest707-21snmpd00:09:263
21429975,1cyclictest707-21snmpd00:00:553
21429971,3cyclictest24873-21cstates19:55:143
21429970,2cyclictest0-21swapper/300:25:173
21319976,1cyclictest61650irq/122-eno122:05:152
21319976,1cyclictest61650irq/122-eno120:40:092
21319976,1cyclictest28-21ksoftirqd/223:55:002
21319976,1cyclictest28-21ksoftirqd/220:15:002
21319975,1cyclictest707-21snmpd23:37:122
21319975,1cyclictest707-21snmpd22:58:062
21319975,1cyclictest707-21snmpd22:58:052
21319975,1cyclictest707-21snmpd21:15:122
21319975,1cyclictest707-21snmpd20:08:342
21319975,1cyclictest61650irq/122-eno123:00:182
21319975,1cyclictest61650irq/122-eno122:45:142
21319975,1cyclictest61650irq/122-eno100:10:192
21319975,1cyclictest28-21ksoftirqd/221:40:002
21319975,1cyclictest28-21ksoftirqd/221:15:012
21319975,1cyclictest26558-21cat21:05:162
21319974,2cyclictest707-21snmpd22:30:152
21319971,6cyclictest0-21swapper/222:02:072
21319971,6cyclictest0-21swapper/222:02:072
21319971,2cyclictest3447-21grep21:25:142
21319970,6cyclictest0-21swapper/200:20:352
21319970,2cyclictest0-21swapper/200:30:122
21319970,1cyclictest0-21swapper/223:27:102
21319970,1cyclictest0-21swapper/222:52:152
21319970,1cyclictest0-21swapper/219:34:022
21319970,1cyclictest0-21swapper/219:15:102
21229971,6cyclictest0-21swapper/122:17:201
21229970,2cyclictest0-21swapper/123:25:181
21229970,1cyclictest0-21swapper/123:53:561
21229970,1cyclictest0-21swapper/121:40:011
21189976,1cyclictest707-21snmpd21:07:060
21189976,1cyclictest0-21swapper/021:55:100
21189976,1cyclictest0-21swapper/021:55:100
21189975,1cyclictest9-21ksoftirqd/023:59:280
21189975,1cyclictest9-21ksoftirqd/022:05:100
21189975,1cyclictest9-21ksoftirqd/021:20:130
21189975,1cyclictest707-21snmpd21:13:090
21189975,1cyclictest707-21snmpd20:49:070
21189975,1cyclictest707-21snmpd20:30:070
21189975,1cyclictest707-21snmpd20:14:390
21189971,5cyclictest26921-21ntpq00:30:180
21189970,6cyclictest8635-21users23:50:210
21189970,6cyclictest23249-21cut21:00:000
21189970,6cyclictest15235-21cpuspeed_turbos19:35:130
21189970,6cyclictest0-21swapper/023:10:130
21189970,6cyclictest0-21swapper/022:55:130
21189970,6cyclictest0-21swapper/022:55:130
21189970,6cyclictest0-21swapper/019:10:160
21189970,6cyclictest0-21swapper/000:25:150
21189970,1cyclictest19531-21apt-config22:00:000
21189970,1cyclictest19531-21apt-config22:00:000
21429965,1cyclictest707-21snmpd23:28:093
21429965,1cyclictest35-21ksoftirqd/321:05:193
21429964,1cyclictest707-21snmpd23:14:163
21429964,1cyclictest707-21snmpd22:30:053
21429964,1cyclictest707-21snmpd21:21:423
21429964,1cyclictest707-21snmpd20:25:263
21429964,1cyclictest707-21snmpd20:15:313
21429964,1cyclictest707-21snmpd19:28:033
21429963,1cyclictest240-21systemd-journal22:55:003
21429962,2cyclictest0-21swapper/320:40:183
21429961,3cyclictest23316-21apt-get21:00:123
21429961,3cyclictest23316-21apt-get21:00:113
21429960,1cyclictest0-21swapper/319:45:113
21429960,0cyclictest0-21swapper/321:25:103
21319966,0cyclictest61650irq/122-eno123:15:112
21319966,0cyclictest61650irq/122-eno122:15:102
21319966,0cyclictest61650irq/122-eno120:30:132
21319966,0cyclictest61650irq/122-eno120:28:392
21319966,0cyclictest61650irq/122-eno119:55:522
21319966,0cyclictest61650irq/122-eno119:20:112
21319966,0cyclictest61650irq/122-eno100:15:572
21319966,0cyclictest61650irq/122-eno100:00:252
21319965,1cyclictest707-21snmpd23:12:122
21319965,1cyclictest61650irq/122-eno123:05:002
21319965,1cyclictest61650irq/122-eno122:10:142
21319965,0cyclictest28-21ksoftirqd/220:19:592
21319964,1cyclictest61650irq/122-eno122:35:142
21319964,1cyclictest61650irq/122-eno121:50:152
21319964,1cyclictest61650irq/122-eno120:35:202
21319964,1cyclictest61650irq/122-eno119:50:152
21319964,1cyclictest28-21ksoftirqd/219:25:112
21319964,1cyclictest18158-21munin-run20:50:002
21319964,1cyclictest11089-21sshd23:56:272
21319963,2cyclictest707-21snmpd23:40:172
21319962,2cyclictest953-21tune2fs21:20:142
21319961,4cyclictest17272-21cpuspeed_turbos21:55:122
21319961,4cyclictest17272-21cpuspeed_turbos21:55:122
21319961,3cyclictest0-21swapper/221:45:172
21319960,6cyclictest0-21swapper/222:27:382
21319960,3cyclictest0-21swapper/223:30:132
21319960,3cyclictest0-21swapper/219:10:102
21319960,1cyclictest0-21swapper/223:45:112
21229965,1cyclictest0-21swapper/123:14:521
21229961,5cyclictest0-21swapper/122:06:551
21229960,6cyclictest0-21swapper/123:18:251
21229960,6cyclictest0-21swapper/122:45:181
21229960,6cyclictest0-21swapper/121:50:161
21229960,6cyclictest0-21swapper/121:29:541
21229960,6cyclictest0-21swapper/121:14:141
21229960,6cyclictest0-21swapper/121:04:211
21229960,6cyclictest0-21swapper/121:04:201
21229960,6cyclictest0-21swapper/120:53:091
21229960,6cyclictest0-21swapper/120:06:481
21229960,6cyclictest0-21swapper/119:55:511
21229960,6cyclictest0-21swapper/100:39:371
21229960,5cyclictest0-21swapper/120:55:161
21229960,3cyclictest0-21swapper/122:20:111
21229960,0cyclictest0-21swapper/120:33:351
21189965,1cyclictest8709-21aten_r1power_en22:45:120
21189965,1cyclictest707-21snmpd22:36:030
21189965,1cyclictest707-21snmpd21:35:550
21189965,1cyclictest29979-21cat22:20:150
21189965,1cyclictest28553-21users20:00:240
21189965,1cyclictest28553-21users20:00:240
21189964,1cyclictest707-21snmpd21:40:030
21189964,1cyclictest6188-21aten_r1power_fr22:40:130
21189963,1cyclictest240-21systemd-journal19:59:560
21189960,6cyclictest0-21swapper/022:26:540
21189960,6cyclictest0-21swapper/021:45:100
21189960,6cyclictest0-21swapper/021:00:310
21189960,6cyclictest0-21swapper/021:00:310
21189960,6cyclictest0-21swapper/020:50:180
21189960,6cyclictest0-21swapper/020:35:140
21189960,6cyclictest0-21swapper/020:25:130
21189960,6cyclictest0-21swapper/020:15:150
21189960,6cyclictest0-21swapper/019:20:190
21189960,6cyclictest0-21swapper/000:16:480
21189960,5cyclictest29173-21/usr/sbin/munin20:05:190
21189960,5cyclictest0-21swapper/019:16:100
21189960,0cyclictest0-21swapper/023:45:110
21189960,0cyclictest0-21swapper/000:20:100
21189960,0cyclictest0-21swapper/000:05:190
21189960,0cyclictest0-21swapper/000:01:070
21429955,0cyclictest0-21swapper/323:05:153
21429954,1cyclictest707-21snmpd20:56:033
21429954,1cyclictest35-21ksoftirqd/319:41:363
21429954,1cyclictest0-21swapper/300:35:123
21429953,1cyclictest707-21snmpd00:34:093
21429953,1cyclictest7038-21unixbench_multi19:15:203
21429953,1cyclictest31218-21latency_hist22:24:593
21429953,1cyclictest18178-21tr21:55:173
21429953,1cyclictest18178-21tr21:55:173
21429952,1cyclictest548-21systemd-logind20:10:203
21429952,1cyclictest240-21systemd-journal20:49:563
21429952,1cyclictest15081-21/usr/sbin/munin19:35:113
21429951,3cyclictest5166-21/usr/sbin/munin20:20:173
21429951,1cyclictest0-21swapper/322:45:183
21429950,3cyclictest4881-21ntpq22:35:173
21429950,2cyclictest3169-21idleruntime19:10:153
21319954,1cyclictest61650irq/122-eno121:40:002
21319954,1cyclictest61650irq/122-eno100:35:142
21319954,1cyclictest28-21ksoftirqd/220:55:122
21319953,1cyclictest61650irq/122-eno100:05:142
21229954,1cyclictest0-21swapper/100:15:151
21229951,2cyclictest0-21swapper/120:45:141
21229951,1cyclictest0-21swapper/100:30:011
21229951,0cyclictest0-21swapper/120:26:071
21229950,5cyclictest0-21swapper/123:40:581
21229950,5cyclictest0-21swapper/123:39:141
21229950,5cyclictest0-21swapper/123:02:511
21229950,5cyclictest0-21swapper/122:55:581
21229950,5cyclictest0-21swapper/122:55:581
21229950,5cyclictest0-21swapper/121:55:431
21229950,5cyclictest0-21swapper/121:55:431
21229950,5cyclictest0-21swapper/121:20:261
21229950,5cyclictest0-21swapper/120:35:161
21229950,5cyclictest0-21swapper/119:42:321
21229950,5cyclictest0-21swapper/119:38:311
21229950,5cyclictest0-21swapper/100:20:591
21229950,5cyclictest0-21swapper/100:05:581
21229950,4cyclictest0-21swapper/121:45:151
21229950,3cyclictest0-21swapper/119:50:001
21229950,2cyclictest0-21swapper/120:10:201
21229950,2cyclictest0-21swapper/119:20:151
21229950,2cyclictest0-21swapper/119:15:141
21229950,1cyclictest0-21swapper/122:40:151
21229950,1cyclictest0-21swapper/122:35:001
21229950,1cyclictest0-21swapper/122:25:101
21189954,1cyclictest707-21snmpd22:51:240
21189953,1cyclictest9-21ksoftirqd/022:15:000
21189953,1cyclictest17387-21/usr/sbin/munin19:40:130
21189951,1cyclictest0-21swapper/022:35:000
21189950,5cyclictest0-21swapper/022:15:120
21189950,5cyclictest0-21swapper/020:40:100
21189950,5cyclictest0-21swapper/000:10:130
21189950,3cyclictest0-21swapper/023:05:110
21189950,1cyclictest0-21swapper/023:25:140
21189950,0cyclictest0-21swapper/021:30:120
21189950,0cyclictest0-21swapper/019:48:490
14674250,1sleep30-21swapper/321:50:113
21429943,1cyclictest3087-21cat23:40:153
21429943,0cyclictest7755-21apt-get19:20:123
21429942,2cyclictest27108-21taskset23:22:433
21429942,1cyclictest31531-21aten2.4-expect22:25:113
21429942,1cyclictest23415-21fschecks_time23:15:153
21429942,1cyclictest16267-21forks23:00:153
21429941,2cyclictest30377-21apt-get21:15:113
21429941,1cyclictest9044-21aten2.4-expect20:30:133
21429941,1cyclictest240-21systemd-journal00:10:003
21429941,1cyclictest0-21swapper/321:10:133
21429940,1cyclictest0-21swapper/321:30:123
21229944,0cyclictest0-21swapper/123:20:181
21229940,4cyclictest0-21swapper/123:47:371
21229940,4cyclictest0-21swapper/120:20:591
21229940,3cyclictest0-21swapper/123:05:131
21229940,3cyclictest0-21swapper/122:54:381
21229940,3cyclictest0-21swapper/121:15:201
21229940,3cyclictest0-21swapper/120:00:131
21229940,3cyclictest0-21swapper/120:00:131
21229940,2cyclictest0-21swapper/119:10:111
21229940,1cyclictest0-21swapper/123:30:121
21229940,1cyclictest0-21swapper/119:50:121
21229940,1cyclictest0-21swapper/119:30:001
21229940,1cyclictest0-21swapper/100:05:001
21229940,0cyclictest0-21swapper/122:00:011
21229940,0cyclictest0-21swapper/122:00:011
21229940,0cyclictest0-21swapper/121:39:311
21229940,0cyclictest0-21swapper/100:10:021
21229932,1cyclictest243482sleep122:10:031
21229932,1cyclictest15593-21chrt20:42:321
21229931,1cyclictest0-21swapper/119:25:101
21229931,1cyclictest0-21swapper/100:30:131
21229930,1cyclictest0-21swapper/123:55:171
21229930,1cyclictest0-21swapper/121:05:111
21229930,1cyclictest0-21swapper/120:15:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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