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2026-03-13 - 11:41
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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 Mar 13, 2026 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9612232156,26sleep00-21swapper/019:06:070
315732212151,22sleep30-21swapper/319:05:053
10322210150,47sleep20-21swapper/219:07:012
315712200162,25sleep10-21swapper/119:05:031
12372870,0sleep10-21swapper/100:02:411
263432700,0sleep10-21swapper/120:00:111
1334991614,1cyclictest9-21ksoftirqd/021:50:110
174782130,0sleep30-21swapper/300:24:343
327392120,0sleep20-21swapper/221:15:172
1334991211,1cyclictest9-21ksoftirqd/021:30:000
1334991210,1cyclictest9-21ksoftirqd/000:05:130
134899116,4cyclictest28-21ksoftirqd/222:20:012
1348991110,1cyclictest28-21ksoftirqd/200:05:002
133499114,1cyclictest9-21ksoftirqd/023:05:180
133499112,5cyclictest9930-21ls00:15:000
1334991110,1cyclictest9-21ksoftirqd/022:35:100
134899109,1cyclictest28-21ksoftirqd/220:35:122
134899109,1cyclictest28-21ksoftirqd/200:10:012
134899109,1cyclictest25507-21fschecks_time21:05:142
134899108,1cyclictest28-21ksoftirqd/200:35:002
134899100,9cyclictest3708-21munin-node20:51:252
133499109,1cyclictest9-21ksoftirqd/023:30:190
133499109,1cyclictest9-21ksoftirqd/020:35:000
133499108,1cyclictest9-21ksoftirqd/023:25:120
133499108,1cyclictest9-21ksoftirqd/023:10:130
133499108,1cyclictest9-21ksoftirqd/021:20:150
133499108,1cyclictest9-21ksoftirqd/020:05:110
133499108,1cyclictest9-21ksoftirqd/019:15:010
13559990,6cyclictest20650-21kworker/u8:123:28:243
13489998,1cyclictest28-21ksoftirqd/222:30:002
13489995,1cyclictest240-21systemd-journal23:55:002
13439991,4cyclictest0-21swapper/123:25:121
13349999,0cyclictest9-21ksoftirqd/020:25:150
13349999,0cyclictest0-21swapper/000:29:550
13349997,1cyclictest9-21ksoftirqd/023:40:100
13349992,1cyclictest9-21ksoftirqd/022:20:180
14166280,0sleep20-21swapper/221:32:322
13559986,1cyclictest707-21snmpd23:54:043
13559986,1cyclictest707-21snmpd20:51:333
13559986,1cyclictest707-21snmpd19:32:283
13559986,1cyclictest707-21snmpd00:37:573
13559983,3cyclictest570-21nscd23:30:573
13559980,8cyclictest32054-21latency_hist23:20:003
13489987,1cyclictest28-21ksoftirqd/220:50:002
13489987,1cyclictest28-21ksoftirqd/200:35:152
13489986,1cyclictest61650irq/122-eno123:35:152
13489986,1cyclictest61650irq/122-eno121:20:142
13489986,1cyclictest5005-21ntpq23:25:182
13489986,1cyclictest28-21ksoftirqd/223:00:002
13489986,1cyclictest28-21ksoftirqd/222:45:132
13489980,7cyclictest27219-21kworker/u8:100:15:142
13489980,4cyclictest15568-21apt-get21:35:112
13439980,4cyclictest0-21swapper/121:25:231
13439980,4cyclictest0-21swapper/120:55:121
13439980,3cyclictest0-21swapper/123:05:111
13349988,0cyclictest9-21ksoftirqd/023:35:150
13349988,0cyclictest9-21ksoftirqd/021:35:110
13349988,0cyclictest9-21ksoftirqd/021:15:010
13349987,1cyclictest9-21ksoftirqd/021:55:200
13349987,1cyclictest9-21ksoftirqd/021:40:120
13349987,1cyclictest9-21ksoftirqd/000:00:110
13349987,0cyclictest9-21ksoftirqd/021:45:100
13349986,1cyclictest9-21ksoftirqd/019:30:000
13349986,1cyclictest707-21snmpd23:18:570
13349986,1cyclictest707-21snmpd19:42:340
13349986,1cyclictest707-21snmpd00:30:030
13349980,7cyclictest3708-21munin-node22:03:060
13349980,7cyclictest22080-21ssh23:47:460
13349980,7cyclictest13563-21ssh00:19:300
13349980,7cyclictest0-21swapper/022:25:160
13349980,1cyclictest4130-21ssh22:43:200
13349980,1cyclictest29812-21ssh23:57:480
13349980,1cyclictest29812-21ssh23:57:480
13559977,0cyclictest35-21ksoftirqd/322:25:003
13559976,1cyclictest35-21ksoftirqd/321:25:223
13559975,1cyclictest707-21snmpd22:10:263
13559975,1cyclictest707-21snmpd21:45:503
13559975,1cyclictest707-21snmpd20:07:593
13559975,1cyclictest707-21snmpd19:10:453
13559975,1cyclictest707-21snmpd00:11:443
13559974,1cyclictest294-21systemd-udevd21:07:083
13559971,5cyclictest5506-21irqstats19:15:163
13559971,5cyclictest4973-1kworker/u9:122:02:293
13559970,4cyclictest28895-21sh22:33:333
13559970,4cyclictest0-21swapper/322:08:103
13559970,2cyclictest0-21swapper/322:37:193
13559970,1cyclictest0-21swapper/323:05:113
13559970,1cyclictest0-21swapper/322:52:033
13489977,0cyclictest28-21ksoftirqd/222:20:202
13489976,1cyclictest61650irq/122-eno123:55:382
13489976,1cyclictest61650irq/122-eno123:55:382
13489976,1cyclictest61650irq/122-eno122:50:132
13489976,1cyclictest61650irq/122-eno122:30:182
13489976,1cyclictest61650irq/122-eno120:10:102
13489976,1cyclictest61650irq/122-eno100:10:142
13489976,1cyclictest28-21ksoftirqd/223:50:002
13489976,1cyclictest28-21ksoftirqd/221:55:212
13489976,1cyclictest28-21ksoftirqd/219:10:122
13489975,1cyclictest707-21snmpd23:10:482
13489975,1cyclictest61650irq/122-eno122:10:122
13489975,1cyclictest61650irq/122-eno121:10:212
13489975,1cyclictest28-21ksoftirqd/220:25:002
13489975,1cyclictest28-21ksoftirqd/219:50:002
13489973,1cyclictest240-21systemd-journal23:10:002
13489971,5cyclictest0-21swapper/221:27:042
13489971,5cyclictest0-21swapper/220:55:122
13439976,1cyclictest0-21swapper/100:10:011
13439970,6cyclictest0-21swapper/122:25:161
13439970,6cyclictest0-21swapper/119:55:221
13439970,5cyclictest0-21swapper/123:40:131
13439970,5cyclictest0-21swapper/120:50:121
13439970,3cyclictest0-21swapper/122:00:111
13439970,3cyclictest0-21swapper/121:33:221
13349976,1cyclictest9-21ksoftirqd/023:00:110
13349976,1cyclictest9-21ksoftirqd/022:45:110
13349976,1cyclictest9-21ksoftirqd/022:15:100
13349976,1cyclictest9-21ksoftirqd/022:05:110
13349976,1cyclictest9-21ksoftirqd/020:40:100
13349976,1cyclictest9-21ksoftirqd/019:50:000
13349976,1cyclictest9-21ksoftirqd/000:20:150
13349976,1cyclictest27113-21ntpq00:35:180
13349975,1cyclictest9-21ksoftirqd/022:30:130
13349975,1cyclictest9-21ksoftirqd/020:15:010
13349975,1cyclictest707-21snmpd20:16:170
13349975,1cyclictest13298-21df_inode22:55:140
13349972,2cyclictest240-21systemd-journal20:25:000
13349970,6cyclictest7659-1kworker/u9:223:50:210
13349970,6cyclictest3330-21ssh23:24:310
13349970,6cyclictest26973-21expr20:00:130
13349970,6cyclictest14092-21ssh21:32:200
13349970,6cyclictest11385-21perl20:35:160
13349970,6cyclictest0-21swapper/020:45:180
13349970,1cyclictest10859-21sh22:50:430
13349970,1cyclictest0-21swapper/022:10:180
13349970,1cyclictest0-21swapper/021:15:110
6293260,1sleep10-21swapper/121:23:141
13559965,1cyclictest707-21snmpd00:09:023
13559965,1cyclictest6869-21ssh22:45:233
13559965,1cyclictest32361-21ssh23:20:103
13559965,1cyclictest31412-21ssh21:15:053
13559965,1cyclictest31083-21ssh21:55:093
13559965,1cyclictest26294-21ssh23:10:383
13559965,1cyclictest21328-21ssh23:45:493
13559965,1cyclictest21001-21ssh00:28:363
13559965,1cyclictest18705-21ssh23:44:073
13559965,1cyclictest1747-21ntpd22:15:593
13559965,1cyclictest15686-21ssh22:58:163
13559965,1cyclictest10664-21ntpq19:25:173
13559965,1cyclictest10290-21ssh00:15:133
13559964,1cyclictest707-21snmpd19:44:383
13559963,1cyclictest240-21systemd-journal20:12:083
13559962,2cyclictest0-21swapper/321:33:303
13559962,0cyclictest27011-21diskmemload21:20:403
13559961,0cyclictest27011-21diskmemload00:32:133
13559960,4cyclictest0-21swapper/322:40:343
13559960,4cyclictest0-21swapper/320:40:123
13559960,2cyclictest16107-21ssh21:35:143
13559960,2cyclictest0-21swapper/323:55:133
13559960,2cyclictest0-21swapper/323:55:133
13559960,2cyclictest0-21swapper/323:35:243
13559960,2cyclictest0-21swapper/321:50:243
13559960,2cyclictest0-21swapper/320:55:143
13559960,1cyclictest27011-21diskmemload00:00:173
13559960,1cyclictest240-21systemd-journal19:54:553
13559960,1cyclictest0-21swapper/322:29:043
13489966,0cyclictest61650irq/122-eno123:20:132
13489966,0cyclictest61650irq/122-eno123:15:202
13489966,0cyclictest61650irq/122-eno122:40:142
13489966,0cyclictest61650irq/122-eno122:35:022
13489966,0cyclictest61650irq/122-eno122:05:102
13489966,0cyclictest61650irq/122-eno122:00:052
13489966,0cyclictest61650irq/122-eno121:45:162
13489966,0cyclictest61650irq/122-eno120:25:172
13489966,0cyclictest61650irq/122-eno120:00:142
13489966,0cyclictest61650irq/122-eno119:54:092
13489966,0cyclictest61650irq/122-eno119:41:522
13489966,0cyclictest61650irq/122-eno119:25:012
13489966,0cyclictest61650irq/122-eno119:15:112
13489966,0cyclictest61650irq/122-eno100:25:202
13489965,1cyclictest61650irq/122-eno119:30:132
13489965,1cyclictest28-21ksoftirqd/223:40:112
13489965,1cyclictest28-21ksoftirqd/221:40:132
13489965,0cyclictest61650irq/122-eno100:20:592
13489964,1cyclictest61650irq/122-eno123:00:112
13489964,1cyclictest61650irq/122-eno119:20:132
13489964,1cyclictest27235-21apt-get21:50:112
13489963,1cyclictest28-21ksoftirqd/223:30:002
13489961,3cyclictest14239-21apt-get19:35:102
13489960,6cyclictest0-21swapper/220:31:092
13439960,6cyclictest0-21swapper/123:36:131
13439960,6cyclictest0-21swapper/123:20:221
13439960,6cyclictest0-21swapper/122:24:511
13439960,6cyclictest0-21swapper/121:54:201
13439960,6cyclictest0-21swapper/121:45:151
13439960,6cyclictest0-21swapper/121:14:581
13439960,6cyclictest0-21swapper/120:06:081
13439960,6cyclictest0-21swapper/119:52:441
13439960,5cyclictest0-21swapper/123:50:281
13439960,5cyclictest0-21swapper/122:30:151
13439960,5cyclictest0-21swapper/120:45:151
13439960,4cyclictest0-21swapper/123:48:431
13439960,4cyclictest0-21swapper/100:15:021
13439960,1cyclictest0-21swapper/121:15:141
13439960,1cyclictest0-21swapper/119:10:161
13349965,1cyclictest9-21ksoftirqd/019:54:450
13349965,1cyclictest9-21ksoftirqd/019:35:120
13349965,1cyclictest21330-21ntp_states20:55:180
13349964,1cyclictest9-21ksoftirqd/019:10:180
13349964,1cyclictest707-21snmpd21:07:160
13349960,5cyclictest0-21swapper/019:56:530
13349960,3cyclictest0-21swapper/020:50:120
13349960,0cyclictest0-21swapper/021:02:080
13349960,0cyclictest0-21swapper/019:33:050
13559954,1cyclictest707-21snmpd20:27:513
13559954,1cyclictest707-21snmpd20:03:323
13559954,1cyclictest2260-21ntpq20:15:183
13559954,1cyclictest19134-21ssh23:02:103
13559952,1cyclictest240-21systemd-journal21:40:003
13559951,1cyclictest28957-21unixbench_multi21:10:223
13559950,3cyclictest0-21swapper/319:45:163
13559950,1cyclictest240-21systemd-journal20:35:003
13489955,0cyclictest61650irq/122-eno121:00:132
13489954,1cyclictest61650irq/122-eno120:05:182
13489953,1cyclictest14775-21grep20:40:192
13489951,4cyclictest6826-21kworker/2:020:15:142
13489950,5cyclictest0-21swapper/219:58:532
13439955,0cyclictest0-21swapper/122:10:401
13439955,0cyclictest0-21swapper/122:05:141
13439955,0cyclictest0-21swapper/100:12:201
13439952,2cyclictest0-21swapper/123:56:331
13439952,2cyclictest0-21swapper/123:56:331
13439951,2cyclictest0-21swapper/121:35:011
13439951,1cyclictest0-21swapper/123:10:131
13439950,5cyclictest0-21swapper/123:18:281
13439950,5cyclictest0-21swapper/122:48:001
13439950,5cyclictest0-21swapper/122:36:031
13439950,5cyclictest0-21swapper/121:03:011
13439950,5cyclictest0-21swapper/120:42:081
13439950,5cyclictest0-21swapper/120:30:251
13439950,5cyclictest0-21swapper/120:21:421
13439950,5cyclictest0-21swapper/119:45:571
13439950,5cyclictest0-21swapper/119:25:431
13439950,5cyclictest0-21swapper/100:24:511
13439950,4cyclictest0-21swapper/122:40:151
13439950,4cyclictest0-21swapper/120:25:151
13439950,3cyclictest0-21swapper/123:30:041
13439950,3cyclictest0-21swapper/122:57:391
13439950,3cyclictest0-21swapper/100:25:461
13439950,2cyclictest0-21swapper/119:16:361
13439950,1cyclictest0-21swapper/122:15:121
13439950,1cyclictest0-21swapper/120:40:001
13439950,1cyclictest0-21swapper/100:31:021
13439950,0cyclictest0-21swapper/122:51:471
13439950,0cyclictest0-21swapper/121:41:561
13349950,4cyclictest6972-21/usr/sbin/munin19:20:100
13559944,0cyclictest707-21snmpd19:39:353
13559943,1cyclictest707-21snmpd19:22:283
13559943,1cyclictest24641-21sed19:55:153
13559943,1cyclictest23703-21ntp_states21:00:193
13559941,2cyclictest15465-21apt-get20:45:113
13559940,2cyclictest0-21swapper/320:35:023
13439942,1cyclictest0-21swapper/119:40:111
13439941,1cyclictest0-21swapper/123:00:131
13439941,1cyclictest0-21swapper/120:15:111
13439941,1cyclictest0-21swapper/119:30:111
13439940,4cyclictest0-21swapper/121:06:301
13439940,2cyclictest0-21swapper/121:55:141
13439940,2cyclictest0-21swapper/119:35:101
13439940,2cyclictest0-21swapper/119:20:091
13439940,1cyclictest0-21swapper/120:10:191
13439940,1cyclictest0-21swapper/100:35:191
13559930,1cyclictest240-21systemd-journal20:20:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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