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2026-01-02 - 01:48
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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 Fri Jan 02, 2026 00:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192012211150,47sleep30-21swapper/319:05:103
213022210157,27sleep20-21swapper/219:09:562
210502209148,21sleep00-21swapper/019:06:400
210002203165,25sleep10-21swapper/119:06:011
278582150,0sleep20-21swapper/220:25:242
21404991311,1cyclictest28-21ksoftirqd/219:25:002
21381991211,1cyclictest9-21ksoftirqd/000:05:000
2138199120,11cyclictest0-21swapper/020:25:140
2140499119,1cyclictest28-21ksoftirqd/219:55:002
2140499119,1cyclictest28-21ksoftirqd/219:15:002
2140499110,0cyclictest0-21swapper/200:18:352
2138199119,1cyclictest9-21ksoftirqd/023:30:000
2138199119,1cyclictest9-21ksoftirqd/021:05:000
2138199119,1cyclictest2938-21sh23:00:000
2140499109,1cyclictest30501-21ntp_states23:55:212
2140499108,1cyclictest28-21ksoftirqd/222:34:442
2139299100,9cyclictest0-21swapper/100:00:111
2138199108,1cyclictest9-21ksoftirqd/019:40:000
2138199108,1cyclictest9-21ksoftirqd/000:39:590
2138199100,5cyclictest22066-21grep23:39:590
214049990,2cyclictest0-21swapper/219:35:132
213819998,1cyclictest9-21ksoftirqd/019:55:000
213819998,1cyclictest9-21ksoftirqd/019:50:010
213819997,1cyclictest9-21ksoftirqd/023:15:000
214169986,1cyclictest707-21snmpd23:52:423
214169986,1cyclictest707-21snmpd22:05:123
214169986,1cyclictest707-21snmpd20:58:103
214169986,1cyclictest707-21snmpd00:32:173
214169986,1cyclictest35-21ksoftirqd/322:30:003
214169985,1cyclictest35-21ksoftirqd/323:34:553
214169984,3cyclictest18974-21apt-get20:10:113
214169983,2cyclictest31893-21munin-run19:30:003
214169981,4cyclictest8106-21apt-get23:10:123
214169980,7cyclictest13164-21apt-get21:05:123
214049986,1cyclictest707-21snmpd00:14:222
214049986,1cyclictest61650irq/122-eno121:50:212
214049986,1cyclictest61650irq/122-eno120:10:202
214049986,1cyclictest61650irq/122-eno100:40:002
214049983,2cyclictest240-21systemd-journal22:20:002
214049980,7cyclictest0-21swapper/220:20:172
213819987,1cyclictest9-21ksoftirqd/021:10:000
213819986,1cyclictest9-21ksoftirqd/021:20:010
213819986,1cyclictest9-21ksoftirqd/000:15:130
213819986,1cyclictest707-21snmpd21:27:170
213819986,1cyclictest707-21snmpd21:27:170
213819985,0cyclictest0-21swapper/022:52:040
213819984,2cyclictest240-21systemd-journal19:14:550
213819983,4cyclictest0-21swapper/021:45:180
213819982,4cyclictest29337-21apt-get23:55:140
812270,0sleep20-21swapper/221:45:182
214169976,1cyclictest707-21snmpd22:56:293
214169976,1cyclictest707-21snmpd22:45:193
214169976,1cyclictest35-21ksoftirqd/320:46:593
214169975,1cyclictest707-21snmpd23:07:173
214169975,1cyclictest707-21snmpd22:38:073
214169975,1cyclictest707-21snmpd21:37:023
214169975,1cyclictest35-21ksoftirqd/322:05:003
214169972,4cyclictest26764-21munin-run19:20:003
214049976,1cyclictest61650irq/122-eno122:50:132
214049976,1cyclictest61650irq/122-eno120:08:202
214049976,1cyclictest28-21ksoftirqd/221:45:002
214049975,1cyclictest707-21snmpd21:37:082
214049971,2cyclictest16028-21diskstats21:10:162
214049970,1cyclictest0-21swapper/219:55:202
214049970,1cyclictest0-21swapper/219:44:562
213929970,6cyclictest0-21swapper/100:30:351
213929970,4cyclictest0-21swapper/119:35:201
213819977,0cyclictest9-21ksoftirqd/020:45:000
213819976,1cyclictest9-21ksoftirqd/023:55:010
213819976,1cyclictest9-21ksoftirqd/023:41:050
213819976,1cyclictest9-21ksoftirqd/023:05:000
213819976,1cyclictest9-21ksoftirqd/021:25:010
213819976,1cyclictest9-21ksoftirqd/020:50:000
213819976,1cyclictest9-21ksoftirqd/019:45:020
213819976,1cyclictest29772-21apt-get19:25:110
213819975,1cyclictest707-21snmpd22:10:060
213819975,1cyclictest707-21snmpd21:56:090
213819975,1cyclictest15315-21ntpq22:15:180
213819973,2cyclictest240-21systemd-journal22:45:010
213819970,6cyclictest26770-21apt19:20:000
213819970,6cyclictest0-21swapper/023:45:190
213819970,6cyclictest0-21swapper/023:15:140
213819970,6cyclictest0-21swapper/021:44:590
213819970,6cyclictest0-21swapper/019:20:120
213819970,4cyclictest707-21snmpd00:31:440
213819970,1cyclictest27533-21cut21:35:130
214169965,1cyclictest707-21snmpd21:19:473
214169965,1cyclictest3307-21ntpq21:50:173
214169965,1cyclictest24816-21sshd21:28:433
214169965,1cyclictest24816-21sshd21:28:433
214169964,1cyclictest707-21snmpd22:34:313
214169964,1cyclictest707-21snmpd21:20:413
214169964,1cyclictest707-21snmpd20:21:443
214169964,1cyclictest707-21snmpd00:10:353
214169964,1cyclictest707-21snmpd00:01:163
214169964,1cyclictest35-21ksoftirqd/321:10:123
214169964,1cyclictest35-21ksoftirqd/320:30:153
214169962,1cyclictest7354-21/usr/sbin/munin00:15:153
214169961,4cyclictest5879-21/usr/sbin/munin20:50:203
214169961,3cyclictest12836-21apt-get23:20:133
214169960,3cyclictest0-21swapper/300:30:003
214169960,2cyclictest0-21swapper/322:20:193
214049966,0cyclictest61650irq/122-eno123:45:122
214049966,0cyclictest61650irq/122-eno123:07:382
214049966,0cyclictest61650irq/122-eno122:45:202
214049966,0cyclictest61650irq/122-eno122:35:192
214049966,0cyclictest61650irq/122-eno121:09:272
214049966,0cyclictest61650irq/122-eno120:50:162
214049966,0cyclictest61650irq/122-eno120:45:032
214049966,0cyclictest61650irq/122-eno120:39:082
214049966,0cyclictest61650irq/122-eno120:16:582
214049966,0cyclictest61650irq/122-eno119:30:162
214049966,0cyclictest61650irq/122-eno119:25:002
214049966,0cyclictest61650irq/122-eno119:18:562
214049966,0cyclictest61650irq/122-eno100:33:222
214049966,0cyclictest61650irq/122-eno100:20:222
214049966,0cyclictest61650irq/122-eno100:05:112
214049966,0cyclictest61650irq/122-eno100:00:212
214049965,1cyclictest707-21snmpd23:13:292
214049965,1cyclictest707-21snmpd22:24:282
214049965,1cyclictest28-21ksoftirqd/223:00:002
214049965,1cyclictest0-21swapper/221:15:152
214049964,1cyclictest707-21snmpd21:56:452
214049964,1cyclictest61650irq/122-eno123:45:002
214049964,1cyclictest61650irq/122-eno121:25:182
214049964,1cyclictest61650irq/122-eno121:25:182
214049964,1cyclictest28117-21ntpq23:50:172
214049964,1cyclictest28-21ksoftirqd/223:39:592
214049960,6cyclictest0-21swapper/222:07:062
214049960,6cyclictest0-21swapper/221:01:222
214049960,6cyclictest0-21swapper/219:46:142
214049960,5cyclictest0-21swapper/223:30:212
214049960,5cyclictest0-21swapper/223:20:142
214049960,5cyclictest0-21swapper/222:25:522
214049960,5cyclictest0-21swapper/221:20:152
214049960,5cyclictest0-21swapper/200:25:292
214049960,4cyclictest0-21swapper/220:44:432
214049960,1cyclictest0-21swapper/223:15:122
213929961,2cyclictest0-21swapper/100:39:591
213929960,6cyclictest0-21swapper/123:54:281
213929960,6cyclictest0-21swapper/123:36:061
213929960,6cyclictest0-21swapper/123:03:351
213929960,6cyclictest0-21swapper/121:45:001
213929960,6cyclictest0-21swapper/120:46:061
213929960,6cyclictest0-21swapper/119:12:311
213929960,5cyclictest0-21swapper/100:05:161
213929960,4cyclictest0-21swapper/120:05:201
213929960,3cyclictest0-21swapper/119:45:131
213929960,1cyclictest699-21chrt20:40:011
213929960,1cyclictest0-21swapper/120:32:011
213819965,1cyclictest9-21ksoftirqd/022:35:010
213819965,1cyclictest9-21ksoftirqd/020:55:000
213819965,1cyclictest707-21snmpd20:07:170
213819965,1cyclictest4994-21load00:10:160
213819964,1cyclictest9-21ksoftirqd/020:35:000
213819964,1cyclictest707-21snmpd22:49:470
213819964,1cyclictest707-21snmpd22:35:080
213819964,1cyclictest31078-21basename20:35:160
213819964,1cyclictest2176-21apt-get21:50:120
213819964,1cyclictest1834-21apt-get19:35:000
213819964,1cyclictest16409-21cat21:10:170
213819960,6cyclictest6859-21netstat23:05:190
213819960,6cyclictest0-21swapper/022:23:520
213819960,6cyclictest0-21swapper/021:30:150
213819960,6cyclictest0-21swapper/020:53:420
213819960,5cyclictest10532-21/usr/sbin/munin00:20:240
213819960,5cyclictest0-21swapper/020:15:130
213819960,3cyclictest9464-21apt-get22:05:140
213819960,1cyclictest0-21swapper/000:06:430
213819960,0cyclictest0-21swapper/022:00:190
213819960,0cyclictest0-21swapper/020:20:200
214169955,0cyclictest0-21swapper/322:53:493
214169954,1cyclictest35-21ksoftirqd/323:58:273
214169954,1cyclictest35-21ksoftirqd/322:14:063
214169954,1cyclictest35-21ksoftirqd/320:05:113
214169954,1cyclictest28381-21ntp_states19:20:173
214169954,1cyclictest11269-21sshd19:52:433
214169953,1cyclictest707-21snmpd23:48:183
214169953,1cyclictest707-21snmpd23:37:543
214169953,1cyclictest707-21snmpd21:34:083
214169952,1cyclictest693-21runrttasks21:04:453
214169951,3cyclictest3082-21cron20:44:593
214169951,1cyclictest7019-21aten2.4-expect19:45:133
214169951,1cyclictest30978-21apt-get20:35:153
214169951,1cyclictest26841-21fschecks_count20:25:173
214169951,1cyclictest14162-21/usr/sbin/munin22:15:133
214169951,1cyclictest0-21swapper/319:55:123
214169950,5cyclictest0-21swapper/321:40:073
214169950,4cyclictest32585-21expr21:45:153
214169950,2cyclictest240-21systemd-journal23:44:593
214169950,2cyclictest16106-21aten_r1power_po00:35:143
214169950,1cyclictest0-21swapper/319:40:103
214169950,1cyclictest0-21swapper/319:35:013
214049955,0cyclictest61650irq/122-eno123:00:112
214049955,0cyclictest61650irq/122-eno122:44:392
214049955,0cyclictest61650irq/122-eno121:30:132
214049955,0cyclictest61650irq/122-eno120:55:122
214049955,0cyclictest61650irq/122-eno120:04:432
214049953,1cyclictest61650irq/122-eno120:30:152
214049950,5cyclictest0-21swapper/223:25:062
213929951,2cyclictest0-21swapper/122:30:131
213929951,2cyclictest0-21swapper/120:55:121
213929950,5cyclictest0-21swapper/123:57:141
213929950,5cyclictest0-21swapper/123:48:021
213929950,5cyclictest0-21swapper/123:14:271
213929950,5cyclictest0-21swapper/122:45:481
213929950,5cyclictest0-21swapper/122:18:301
213929950,5cyclictest0-21swapper/122:07:161
213929950,5cyclictest0-21swapper/122:00:181
213929950,5cyclictest0-21swapper/121:31:291
213929950,5cyclictest0-21swapper/121:14:561
213929950,5cyclictest0-21swapper/120:23:081
213929950,5cyclictest0-21swapper/119:30:341
213929950,5cyclictest0-21swapper/100:27:021
213929950,5cyclictest0-21swapper/100:23:131
213929950,4cyclictest0-21swapper/122:55:171
213929950,4cyclictest0-21swapper/120:15:001
213929950,3cyclictest0-21swapper/100:15:121
213929950,2cyclictest0-21swapper/120:50:011
213929950,1cyclictest0-21swapper/123:05:131
213929950,1cyclictest0-21swapper/120:00:181
213929950,0cyclictest0-21swapper/122:50:341
213819955,0cyclictest9-21ksoftirqd/000:25:140
213819954,1cyclictest9-21ksoftirqd/020:00:270
213819953,1cyclictest17537-21/usr/sbin/munin23:30:170
213819950,5cyclictest0-21swapper/020:12:200
213819950,4cyclictest11895-21/usr/sbin/munin19:55:130
213819950,4cyclictest0-21swapper/022:25:140
214169944,0cyclictest707-21snmpd23:15:143
214169944,0cyclictest16592-21sensors23:25:243
214169943,1cyclictest9366-21cat00:20:163
214169943,1cyclictest26325-21/usr/sbin/munin22:40:123
214169943,1cyclictest21807-21cpuspeed_turbos19:10:133
214169942,1cyclictest32394-21cpuspeed_turbos19:30:123
214169942,1cyclictest14299-21telnet20:00:113
214169941,2cyclictest4306-21sh21:55:013
214169941,1cyclictest240-21systemd-journal23:00:013
214169941,1cyclictest22356-21missed_timers20:15:183
214169940,1cyclictest240-21systemd-journal00:05:003
214049944,0cyclictest61650irq/122-eno122:10:112
214049940,1cyclictest240-21systemd-journal22:00:002
213929944,0cyclictest0-21swapper/119:40:131
213929944,0cyclictest0-21swapper/119:16:461
213929941,2cyclictest0-21swapper/123:30:121
213929941,2cyclictest0-21swapper/122:20:201
213929940,4cyclictest0-21swapper/122:40:541
213929940,4cyclictest0-21swapper/121:22:291
213929940,4cyclictest0-21swapper/100:11:221
213929940,3cyclictest0-21swapper/119:22:311
213929940,2cyclictest0-21swapper/121:35:141
213929940,2cyclictest0-21swapper/120:15:141
213929940,1cyclictest0-21swapper/121:15:121
213929940,1cyclictest0-21swapper/120:40:111
213929940,1cyclictest0-21swapper/119:54:381
213929940,1cyclictest0-21swapper/119:25:011
213929940,0cyclictest0-21swapper/123:25:241
213929940,0cyclictest0-21swapper/122:35:061
213929940,0cyclictest0-21swapper/122:25:041
213929940,0cyclictest0-21swapper/122:10:011
213929940,0cyclictest0-21swapper/121:55:211
213929940,0cyclictest0-21swapper/121:45:221
213929940,0cyclictest0-21swapper/121:29:531
213929940,0cyclictest0-21swapper/121:29:531
213929940,0cyclictest0-21swapper/119:59:391
213819940,1cyclictest240-21systemd-journal23:20:000
213929931,1cyclictest0-21swapper/123:40:101
213929931,1cyclictest0-21swapper/123:20:131
213929931,1cyclictest0-21swapper/121:50:111
213929931,1cyclictest0-21swapper/121:05:121
213929931,1cyclictest0-21swapper/120:25:141
213929930,3cyclictest0-21swapper/123:15:131
213929930,2cyclictest0-21swapper/121:00:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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