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2026-04-19 - 09:47
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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 Sun Apr 19, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37002214152,49sleep00-21swapper/019:09:380
35712202163,26sleep30-21swapper/319:07:563
35482200161,26sleep20-21swapper/219:07:382
33912198159,25sleep10-21swapper/119:05:351
275712740,0sleep20-21swapper/223:14:012
103712650,1sleep210374-21timerandwakeup21:25:192
382099120,0cyclictest0-21swapper/122:50:091
3831991110,1cyclictest28-21ksoftirqd/200:40:002
3831991110,1cyclictest28-21ksoftirqd/200:20:012
383199109,1cyclictest817-21aten_r1power_cu20:10:112
38379991,6cyclictest28885-21diskmemload23:25:173
38379990,7cyclictest14743-21sh22:15:123
38319998,1cyclictest28-21ksoftirqd/223:25:002
38319997,1cyclictest28-21ksoftirqd/223:04:592
38319997,1cyclictest28-21ksoftirqd/221:56:472
38319997,1cyclictest28-21ksoftirqd/221:56:462
38319990,8cyclictest30130-21apt-get22:35:122
38319990,4cyclictest20668-21/usr/sbin/munin23:05:132
38159997,1cyclictest9-21ksoftirqd/020:35:000
38159993,6cyclictest22376-21latency_hist23:50:010
38379987,1cyclictest35-21ksoftirqd/320:40:003
38379986,1cyclictest17998-21snmpd21:46:163
38379986,1cyclictest17998-21snmpd21:30:283
38379986,1cyclictest17998-21snmpd20:51:533
38379986,1cyclictest17998-21snmpd20:01:473
38379986,1cyclictest17998-21snmpd19:57:313
38379986,1cyclictest17998-21snmpd19:57:303
38379982,3cyclictest0-21swapper/323:05:133
38379980,7cyclictest0-21swapper/322:25:113
38379980,4cyclictest0-21swapper/322:35:113
38379980,3cyclictest20630-21apt-get21:40:113
38319988,0cyclictest0-21swapper/221:38:272
38319986,1cyclictest61650irq/122-eno123:49:352
38319986,1cyclictest61650irq/122-eno123:31:382
38319986,1cyclictest61650irq/122-eno123:26:212
38319986,1cyclictest61650irq/122-eno123:15:122
38319986,1cyclictest61650irq/122-eno122:30:102
38319986,1cyclictest61650irq/122-eno122:05:132
38319986,1cyclictest61650irq/122-eno119:50:202
38319986,1cyclictest61650irq/122-eno100:10:122
38319986,1cyclictest28-21ksoftirqd/200:05:002
38319984,2cyclictest548-21systemd-logind21:40:192
38319984,2cyclictest28-21ksoftirqd/200:33:422
38319982,3cyclictest29144-21apt-get21:10:122
38319981,4cyclictest12992-21aten_r1power_vo22:55:142
38319980,5cyclictest22346-21apt-get22:25:102
38319980,2cyclictest0-21swapper/219:40:122
38159986,1cyclictest28885-21diskmemload00:05:140
38159986,1cyclictest12654-21perf21:30:000
38159985,2cyclictest27936-21cron23:15:000
38159981,6cyclictest6113-21ssh23:27:140
38159981,4cyclictest28885-21diskmemload23:44:180
38159981,1cyclictest17324-21ssh21:35:130
38159980,7cyclictest7037-21ssh21:21:130
38159980,7cyclictest32710-21ssh00:02:130
38159980,4cyclictest5003-21latency_hist22:45:010
38379977,0cyclictest35-21ksoftirqd/323:16:343
38379976,1cyclictest35-21ksoftirqd/323:35:013
38379976,1cyclictest35-21ksoftirqd/319:34:593
38379976,1cyclictest17998-21snmpd23:46:113
38379976,1cyclictest14137-21cat00:20:153
38379976,1cyclictest13770-21cat22:55:173
38379975,1cyclictest17998-21snmpd23:40:353
38379975,1cyclictest17998-21snmpd19:52:123
38379975,1cyclictest17998-21snmpd19:43:343
38379975,1cyclictest17998-21snmpd19:36:573
38379975,1cyclictest17998-21snmpd00:17:243
38379973,1cyclictest3804-21cyclictest00:06:103
38379971,5cyclictest28885-21diskmemload00:29:423
38379971,5cyclictest24585-21kworker/u8:023:21:143
38379970,5cyclictest17998-21snmpd20:22:473
38379970,2cyclictest0-21swapper/322:22:393
38319976,1cyclictest61650irq/122-eno121:46:082
38319976,1cyclictest61650irq/122-eno121:33:112
38319976,1cyclictest28-21ksoftirqd/219:15:012
38319976,1cyclictest17998-21snmpd00:25:402
38319975,1cyclictest61650irq/122-eno123:55:132
38319975,1cyclictest61650irq/122-eno123:40:112
38319975,1cyclictest61650irq/122-eno122:50:112
38319975,1cyclictest61650irq/122-eno122:20:172
38319975,1cyclictest61650irq/122-eno122:00:122
38319975,1cyclictest17998-21snmpd20:27:292
38319975,1cyclictest17998-21snmpd20:16:202
38319975,1cyclictest16108-21ntpq20:40:162
38319971,5cyclictest0-21swapper/221:05:452
38319970,7cyclictest0-21swapper/221:53:582
38319970,3cyclictest29226-21fschecks_time20:00:152
38319970,3cyclictest0-21swapper/221:00:082
38209971,6cyclictest0-21swapper/120:57:331
38209970,4cyclictest0-21swapper/122:05:541
38209970,2cyclictest0-21swapper/120:25:111
38209970,1cyclictest0-21swapper/123:51:351
38209970,1cyclictest0-21swapper/120:52:141
38159976,1cyclictest24644-1kworker/u9:200:15:170
38159976,1cyclictest23362-1kworker/u9:100:36:060
38159976,1cyclictest17998-21snmpd20:39:360
38159976,1cyclictest1747-21ntpd20:45:580
38159975,1cyclictest28928-21date21:10:000
38159975,1cyclictest17998-21snmpd20:50:420
38159975,1cyclictest1747-21ntpd19:40:590
38159975,1cyclictest1747-21ntpd19:35:590
38159972,1cyclictest12855-21/usr/sbin/munin22:55:210
38159971,6cyclictest9949-21ssh23:32:240
38159970,6cyclictest5419-21ssh00:10:100
38159970,6cyclictest3653-21df_inode20:15:130
38159970,6cyclictest29016-21df20:00:140
38159970,6cyclictest28885-21diskmemload22:11:280
38159970,6cyclictest22009-21processes23:05:180
38159970,6cyclictest21559-21kernelversion21:40:150
38159970,6cyclictest15673-1kworker/u9:200:25:130
38159970,6cyclictest0-21swapper/022:25:170
38159970,6cyclictest0-21swapper/021:50:140
38159970,6cyclictest0-21swapper/020:55:160
38159970,2cyclictest7814-21tune2fs22:05:160
38159970,1cyclictest8054-21ssh22:47:590
38159970,1cyclictest3656-21ssh21:17:460
38159970,1cyclictest31560-21sh22:35:200
38159970,1cyclictest31316-21ssh21:11:330
38159970,1cyclictest30505-21ssh23:16:400
38159970,1cyclictest29064-21ssh23:57:410
38159970,1cyclictest28657-21runrttasks22:31:470
38159970,1cyclictest24570-21ssh23:50:490
38159970,1cyclictest21240-21ssh22:22:510
38159970,1cyclictest0-21swapper/022:00:220
17195270,0sleep10-21swapper/122:17:141
38379965,1cyclictest9969-21cat22:50:143
38379965,1cyclictest7465-21ssh22:46:233
38379965,1cyclictest7265-21ssh00:10:303
38379965,1cyclictest6919-21ssh21:20:553
38379965,1cyclictest3439-21ssh21:17:143
38379965,1cyclictest32169-21ssh00:00:443
38379965,1cyclictest26403-21ssh23:55:113
38379965,1cyclictest17998-21snmpd21:35:503
38379964,1cyclictest8923-21ssh22:05:223
38379964,1cyclictest17998-21snmpd20:14:103
38379964,1cyclictest17998-21snmpd20:07:593
38379964,1cyclictest17998-21snmpd00:35:103
38379963,1cyclictest240-21systemd-journal19:49:563
38379963,1cyclictest240-21systemd-journal19:19:593
38379962,3cyclictest28885-21diskmemload23:10:183
38379962,2cyclictest11166-21grep22:10:123
38379961,4cyclictest28885-21diskmemload21:25:113
38379961,4cyclictest12204-21/usr/sbin/munin23:35:163
38379961,3cyclictest21615-21hddtemp_smartct00:30:163
38379961,2cyclictest16876-21apt-get23:00:133
38379960,6cyclictest0-21swapper/322:03:123
38379960,4cyclictest0-21swapper/321:57:043
38379960,4cyclictest0-21swapper/321:57:033
38379960,4cyclictest0-21swapper/321:10:113
38379960,2cyclictest0-21swapper/321:52:363
38379960,2cyclictest0-21swapper/320:55:133
38379960,1cyclictest240-21systemd-journal22:44:563
38319966,0cyclictest61650irq/122-eno123:50:122
38319966,0cyclictest61650irq/122-eno123:35:122
38319966,0cyclictest61650irq/122-eno122:45:142
38319966,0cyclictest61650irq/122-eno122:40:502
38319966,0cyclictest61650irq/122-eno122:15:132
38319966,0cyclictest61650irq/122-eno121:20:082
38319966,0cyclictest61650irq/122-eno120:21:502
38319966,0cyclictest61650irq/122-eno120:06:212
38319966,0cyclictest61650irq/122-eno119:57:372
38319966,0cyclictest61650irq/122-eno119:57:362
38319966,0cyclictest61650irq/122-eno119:35:282
38319965,1cyclictest807-21ssh21:15:052
38319965,1cyclictest61650irq/122-eno122:10:092
38319965,1cyclictest61650irq/122-eno119:25:132
38319965,1cyclictest28-21ksoftirqd/219:25:002
38319965,1cyclictest17998-21snmpd20:39:262
38319964,1cyclictest61650irq/122-eno120:55:162
38319964,1cyclictest61650irq/122-eno120:30:202
38319964,1cyclictest61650irq/122-eno100:20:002
38319963,1cyclictest240-21systemd-journal19:35:002
38319960,4cyclictest2122-21diskstats00:05:132
38319960,2cyclictest0-21swapper/220:50:122
38319960,1cyclictest0-21swapper/220:45:122
38319960,1cyclictest0-21swapper/219:15:122
38209966,0cyclictest0-21swapper/122:49:241
38209963,0cyclictest0-21swapper/121:00:131
38209960,6cyclictest0-21swapper/123:33:291
38209960,6cyclictest0-21swapper/123:08:441
38209960,6cyclictest0-21swapper/122:42:111
38209960,6cyclictest0-21swapper/122:30:361
38209960,6cyclictest0-21swapper/121:29:181
38209960,6cyclictest0-21swapper/121:22:341
38209960,6cyclictest0-21swapper/121:11:011
38209960,6cyclictest0-21swapper/120:48:361
38209960,6cyclictest0-21swapper/120:03:491
38209960,6cyclictest0-21swapper/119:17:411
38209960,6cyclictest0-21swapper/100:16:541
38209960,5cyclictest0-21swapper/123:39:091
38209960,5cyclictest0-21swapper/123:03:341
38209960,5cyclictest0-21swapper/119:22:351
38209960,4cyclictest0-21swapper/123:25:351
38209960,4cyclictest0-21swapper/123:16:391
38209960,3cyclictest0-21swapper/122:37:051
38209960,2cyclictest0-21swapper/123:45:411
38209960,1cyclictest0-21swapper/123:40:241
38209960,1cyclictest0-21swapper/122:03:401
38209960,1cyclictest0-21swapper/121:50:351
38209960,1cyclictest0-21swapper/120:10:141
38209960,1cyclictest0-21swapper/120:08:441
38209960,1cyclictest0-21swapper/119:46:491
38159966,0cyclictest13827-21ssh21:30:160
38159965,1cyclictest1936-21ssh21:56:580
38159965,1cyclictest1936-21ssh21:56:570
38159965,1cyclictest17998-21snmpd20:41:500
38159964,1cyclictest6616-21wc19:15:000
38159964,1cyclictest17998-21snmpd20:20:310
38159963,2cyclictest24033-21tr19:50:120
38159963,2cyclictest17998-21snmpd20:28:190
38159962,3cyclictest15530-21ssh00:21:460
38159961,4cyclictest32033-21ntp_states20:05:180
38159960,6cyclictest0-21swapper/023:00:000
38159960,6cyclictest0-21swapper/021:45:120
38159960,6cyclictest0-21swapper/019:15:130
38159960,5cyclictest21307-21df_inode00:30:150
38159960,5cyclictest18283-21latency_hist22:19:590
38159960,3cyclictest0-21swapper/021:00:080
38159960,0cyclictest0-21swapper/023:35:280
38159960,0cyclictest0-21swapper/023:20:340
38159960,0cyclictest0-21swapper/022:50:520
38159960,0cyclictest0-21swapper/020:10:150
38159960,0cyclictest0-21swapper/019:56:100
38159960,0cyclictest0-21swapper/019:56:100
38159960,0cyclictest0-21swapper/019:20:040
38379954,1cyclictest17998-21snmpd21:00:133
38379953,1cyclictest17998-21snmpd20:30:043
38379953,1cyclictest17998-21snmpd20:26:253
38379953,1cyclictest17831-21df_inode20:45:133
38379952,1cyclictest26866-21aten_r1power_po21:05:123
38379951,1cyclictest0-21swapper/322:30:013
38379950,2cyclictest240-21systemd-journal19:15:003
38379950,2cyclictest0-21swapper/323:50:163
38319955,0cyclictest61650irq/122-eno119:45:092
38209952,2cyclictest0-21swapper/100:35:001
38209952,1cyclictest0-21swapper/121:17:041
38209952,1cyclictest0-21swapper/120:45:011
38209951,2cyclictest0-21swapper/121:35:001
38209951,1cyclictest0-21swapper/120:35:131
38209950,5cyclictest0-21swapper/121:49:041
38209950,5cyclictest0-21swapper/121:09:491
38209950,5cyclictest0-21swapper/119:59:241
38209950,5cyclictest0-21swapper/119:59:241
38209950,5cyclictest0-21swapper/119:54:451
38209950,5cyclictest0-21swapper/119:32:141
38209950,4cyclictest0-21swapper/122:58:421
38209950,4cyclictest0-21swapper/121:42:051
38209950,4cyclictest0-21swapper/121:35:051
38209950,4cyclictest0-21swapper/119:10:031
38209950,4cyclictest0-21swapper/100:06:151
38209950,4cyclictest0-21swapper/100:02:241
38209950,3cyclictest0-21swapper/123:24:011
38209950,3cyclictest0-21swapper/122:28:171
38209950,3cyclictest0-21swapper/121:55:201
38209950,3cyclictest0-21swapper/121:55:191
38209950,3cyclictest0-21swapper/100:36:201
38209950,3cyclictest0-21swapper/100:26:051
38209950,2cyclictest0-21swapper/122:20:271
38209950,2cyclictest0-21swapper/122:11:201
38209950,2cyclictest0-21swapper/100:11:191
38209950,1cyclictest0-21swapper/100:20:191
38159953,1cyclictest23556-21idleruntime-cro19:50:000
38159950,0cyclictest0-21swapper/019:30:110
38159950,0cyclictest0-21swapper/019:25:140
38379944,0cyclictest17998-21snmpd20:15:073
38379943,1cyclictest6896-21load19:15:013
38379943,1cyclictest12483-21cat19:25:143
38379942,1cyclictest15029-21cut20:40:123
38209943,1cyclictest138952sleep119:27:201
38209941,2cyclictest0-21swapper/123:10:121
38209940,4cyclictest0-21swapper/120:30:081
38209940,4cyclictest0-21swapper/120:15:011
38209940,3cyclictest0-21swapper/123:55:091
38209940,3cyclictest0-21swapper/119:35:111
38209940,1cyclictest0-21swapper/120:20:171
38209940,0cyclictest0-21swapper/119:40:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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