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2026-07-23 - 22:04
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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 Thu Jul 23, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118622219148,47sleep00-21swapper/007:07:250
120402212173,26sleep20-21swapper/207:09:442
118582201163,24sleep10-21swapper/107:07:221
120412199158,27sleep30-21swapper/307:09:453
1670521110,0sleep20-21swapper/210:10:172
269642670,0sleep326965-21dump-pmu-power07:40:003
112352560,0sleep20-21swapper/210:49:222
247772140,0sleep20-21swapper/211:53:592
236942140,0sleep20-21swapper/210:20:152
1215899133,5cyclictest15833-21perf08:25:010
12189991210,1cyclictest35-21ksoftirqd/308:55:003
12169991111,0cyclictest0-21swapper/111:23:181
1215899119,1cyclictest9-21ksoftirqd/008:40:000
1215899112,5cyclictest7786-21latency_hist10:45:000
1215899111,6cyclictest0-21swapper/010:26:010
1217599109,1cyclictest28-21ksoftirqd/211:40:002
121899998,1cyclictest35-21ksoftirqd/312:25:003
121899990,5cyclictest0-21swapper/310:45:123
121589991,6cyclictest19147-21kworker/u8:210:31:230
121589991,4cyclictest25480-21sed08:45:000
121589991,4cyclictest240-21systemd-journal09:32:270
13333280,3sleep09-21ksoftirqd/012:22:400
121759987,1cyclictest23297-21sh12:35:412
121759986,1cyclictest693-21runrttasks12:17:532
121759986,1cyclictest61650irq/122-eno109:25:152
121759986,1cyclictest61650irq/122-eno109:11:122
121759986,1cyclictest61650irq/122-eno109:11:122
121759986,1cyclictest28-21ksoftirqd/209:10:002
121759986,1cyclictest28-21ksoftirqd/208:25:012
121759986,1cyclictest28-21ksoftirqd/207:25:112
121759985,2cyclictest21225-21ssh11:48:542
121759985,1cyclictest28-21ksoftirqd/210:52:462
121759984,4cyclictest14507-21kworker/2:209:21:072
121759980,2cyclictest240-21systemd-journal10:40:002
121699980,3cyclictest0-21swapper/109:10:121
121699980,3cyclictest0-21swapper/109:10:121
121589986,1cyclictest8176-21munin-run10:00:000
121589986,1cyclictest0-21swapper/010:10:160
121589982,5cyclictest30287-21ntpq12:00:170
121589981,6cyclictest8116-21ssh09:14:400
121589981,6cyclictest8116-21ssh09:14:400
121589981,6cyclictest12756-21ssh09:20:130
121589980,6cyclictest8234-21kworker/u8:110:58:370
27380270,0sleep20-21swapper/211:55:242
121899976,1cyclictest35-21ksoftirqd/311:00:013
121899976,1cyclictest15503-21ssh10:10:093
121899975,1cyclictest25935-21ssh10:24:453
121899975,1cyclictest24886-21ssh11:54:193
121899975,1cyclictest23432-21cat11:05:163
121899975,1cyclictest18183-21ssh09:26:433
121899973,2cyclictest240-21systemd-journal09:54:573
121899973,2cyclictest240-21systemd-journal07:27:253
121899972,3cyclictest16691-21fschecks_time08:25:143
121899971,4cyclictest240-21systemd-journal09:40:003
121899970,3cyclictest0-21swapper/311:56:453
121899970,3cyclictest0-21swapper/311:27:223
121899970,2cyclictest14761-21latency_hist07:15:013
121899970,1cyclictest0-21swapper/311:21:223
121759976,1cyclictest61650irq/122-eno112:29:162
121759976,1cyclictest61650irq/122-eno111:12:262
121759976,1cyclictest61650irq/122-eno111:00:132
121759976,1cyclictest61650irq/122-eno110:59:292
121759976,1cyclictest61650irq/122-eno109:45:262
121759976,1cyclictest61650irq/122-eno108:45:172
121759976,1cyclictest61650irq/122-eno107:55:002
121759976,1cyclictest61650irq/122-eno107:30:162
121759976,1cyclictest28-21ksoftirqd/210:41:252
121759976,0cyclictest61650irq/122-eno111:05:192
121759975,1cyclictest9614-21fschecks_time08:10:142
121759975,1cyclictest61650irq/122-eno112:20:112
121759975,1cyclictest61650irq/122-eno112:10:222
121759975,1cyclictest61650irq/122-eno111:40:122
121759975,1cyclictest61650irq/122-eno110:25:192
121759975,1cyclictest61650irq/122-eno110:16:592
121759975,1cyclictest61650irq/122-eno109:36:102
121759975,1cyclictest28-21ksoftirqd/208:30:002
121759975,1cyclictest28-21ksoftirqd/207:20:012
121759975,1cyclictest2284-21cat09:50:152
121759974,2cyclictest1-21systemd07:40:002
121759974,1cyclictest61650irq/122-eno110:05:132
121759974,1cyclictest61650irq/122-eno110:05:132
121759973,2cyclictest240-21systemd-journal08:00:002
121759972,3cyclictest1064-21/usr/sbin/munin12:05:172
121699970,5cyclictest0-21swapper/111:10:111
121699970,5cyclictest0-21swapper/109:22:441
121699970,4cyclictest0-21swapper/111:35:151
121699970,4cyclictest0-21swapper/109:55:021
121699970,2cyclictest0-21swapper/112:30:101
121589976,1cyclictest9-21ksoftirqd/009:00:110
121589976,1cyclictest31015-21sensors11:15:190
121589976,1cyclictest28955-21ssh11:13:560
121589976,1cyclictest25481-21ssh10:23:180
121589976,1cyclictest25214-1kworker/u9:109:41:050
121589976,1cyclictest16288-21cat07:15:170
121589976,1cyclictest13142-1kworker/u9:112:25:280
121589974,1cyclictest4795-21diskmemload10:02:190
121589973,2cyclictest240-21systemd-journal12:30:150
121589973,2cyclictest240-21systemd-journal08:00:000
121589972,4cyclictest0-21swapper/007:50:130
121589970,6cyclictest8147-21ssh10:45:020
121589970,6cyclictest23848-21fschecks_time09:35:140
121589970,6cyclictest19520-21ssh11:45:180
121589970,6cyclictest14184-21ssh10:06:410
121589970,6cyclictest14184-21ssh10:06:400
121589970,6cyclictest0-21swapper/012:05:200
121589970,5cyclictest22324-21perf10:20:010
121589970,5cyclictest0-21swapper/007:20:130
121589970,4cyclictest9619-21perl08:10:140
121589970,2cyclictest7279-21apt-get12:15:110
121589970,1cyclictest4934-21ssh11:25:150
121589970,1cyclictest4795-21diskmemload12:39:160
121589970,1cyclictest3989-21ssh09:52:590
121589970,1cyclictest327-21ssh09:47:400
121589970,1cyclictest28548-21ssh11:59:080
121589970,1cyclictest2852-21ssh11:21:320
121589970,1cyclictest24094-21ssh11:51:470
121589970,1cyclictest19090-21ssh09:29:190
121589970,1cyclictest17055-21ssh11:41:500
121589970,1cyclictest10921-21ssh11:34:510
121589970,1cyclictest0-21swapper/011:35:130
121589970,1cyclictest0-21swapper/011:00:190
11223270,1sleep30-21swapper/311:35:063
2319260,1sleep10-21swapper/112:06:201
121899966,0cyclictest4795-21diskmemload09:32:523
121899965,1cyclictest7165-21ssh10:43:173
121899965,1cyclictest5038-21ssh09:10:083
121899965,1cyclictest5038-21ssh09:10:083
121899965,1cyclictest35-21ksoftirqd/310:25:403
121899965,1cyclictest31747-21ssh12:03:003
121899965,1cyclictest30715-21ntpq07:45:193
121899965,1cyclictest2882-21ssh10:35:553
121899965,1cyclictest28764-21ssh09:41:033
121899965,1cyclictest2735-21cat07:55:173
121899965,1cyclictest26821-21ntpq08:45:163
121899965,1cyclictest26042-21ssh11:10:103
121899965,1cyclictest2218-21ssh12:05:583
121899965,1cyclictest20724-21ssh11:47:173
121899965,1cyclictest19782-21ssh12:30:453
121899965,1cyclictest17202-21ssh11:42:193
121899965,1cyclictest14152-21ssh09:20:453
121899964,1cyclictest35-21ksoftirqd/308:14:323
121899964,1cyclictest1747-21ntpd11:00:013
121899964,1cyclictest16224-21ssh12:25:383
121899964,1cyclictest15801-21perf08:25:013
121899963,1cyclictest4795-21diskmemload09:45:223
121899961,3cyclictest29567-21ssh11:15:093
121899960,6cyclictest0-21swapper/312:37:333
121899960,2cyclictest0-21swapper/312:15:113
121899960,2cyclictest0-21swapper/309:58:543
121899960,1cyclictest0-21swapper/309:15:203
121899960,0cyclictest4795-21diskmemload10:32:383
121759966,0cyclictest61650irq/122-eno111:20:112
121759966,0cyclictest61650irq/122-eno111:15:082
121759966,0cyclictest61650irq/122-eno110:31:132
121759966,0cyclictest61650irq/122-eno109:30:122
121759966,0cyclictest61650irq/122-eno108:41:312
121759966,0cyclictest61650irq/122-eno107:45:022
121759966,0cyclictest61650irq/122-eno107:40:162
121759965,1cyclictest61650irq/122-eno111:30:142
121759965,1cyclictest61650irq/122-eno110:00:252
121759965,1cyclictest61650irq/122-eno109:56:022
121759965,1cyclictest61650irq/122-eno108:50:172
121759965,0cyclictest0-21swapper/211:25:122
121759964,1cyclictest61650irq/122-eno108:30:132
121759964,1cyclictest61650irq/122-eno107:10:122
121759964,1cyclictest17852-21ssh12:30:072
121759962,2cyclictest4795-21diskmemload09:40:132
121759962,2cyclictest240-21systemd-journal09:15:012
121759961,1cyclictest30982-21ssh12:00:332
121699961,3cyclictest0-21swapper/110:20:291
121699961,3cyclictest0-21swapper/109:45:131
121699961,2cyclictest0-21swapper/111:45:581
121699960,6cyclictest0-21swapper/112:18:311
121699960,6cyclictest0-21swapper/111:05:161
121699960,6cyclictest0-21swapper/108:25:151
121699960,4cyclictest0-21swapper/109:35:041
121699960,3cyclictest0-21swapper/110:54:441
121699960,3cyclictest0-21swapper/107:45:001
121699960,0cyclictest0-21swapper/110:47:201
121699960,0cyclictest0-21swapper/110:25:211
121589965,1cyclictest20123-21/usr/sbin/munin07:25:180
121589963,1cyclictest240-21systemd-journal08:04:550
121589963,1cyclictest240-21systemd-journal07:42:400
121589960,6cyclictest0-21swapper/008:58:220
121589960,6cyclictest0-21swapper/008:31:500
121589960,3cyclictest4678-21runrttasks12:10:170
121589960,2cyclictest0-21swapper/008:05:200
121589960,0cyclictest4795-21diskmemload10:52:050
121589960,0cyclictest0-21swapper/011:05:020
121589960,0cyclictest0-21swapper/010:35:100
121589960,0cyclictest0-21swapper/009:15:120
121589960,0cyclictest0-21swapper/008:15:340
121589960,0cyclictest0-21swapper/007:39:060
121589960,0cyclictest0-21swapper/007:30:200
121899955,0cyclictest0-21swapper/308:32:263
121899954,1cyclictest32422-21sshd08:59:253
121899954,1cyclictest10583-21ssh11:33:453
121899953,1cyclictest4795-21diskmemload10:17:163
121899953,1cyclictest28388-21open_files07:40:173
121899952,2cyclictest25428-21idleruntime-cro08:45:003
121899952,1cyclictest240-21systemd-journal07:15:093
121899952,1cyclictest1010-21fschecks_time09:00:143
121899951,1cyclictest9489-21memory10:00:173
121899951,1cyclictest6074-21taskset08:01:453
121899950,5cyclictest0-21swapper/308:39:003
121899950,4cyclictest12552-21sh10:50:153
121899950,3cyclictest240-21systemd-journal09:09:553
121899950,2cyclictest0-21swapper/312:10:353
121899950,1cyclictest11967-21apt-get10:05:093
121899950,1cyclictest11967-21apt-get10:05:093
121759954,1cyclictest61650irq/122-eno109:00:122
121759953,1cyclictest61650irq/122-eno108:05:132
121759953,1cyclictest32518-21awk09:00:002
121759953,1cyclictest11284-21apt-get08:15:112
121759952,1cyclictest0-21swapper/208:00:202
121759950,4cyclictest20728-21/usr/sbin/munin08:35:182
121759950,1cyclictest0-21swapper/207:20:122
121699955,0cyclictest0-21swapper/110:08:481
121699955,0cyclictest0-21swapper/110:08:481
121699955,0cyclictest0-21swapper/109:16:521
121699955,0cyclictest0-21swapper/108:55:131
121699951,3cyclictest0-21swapper/112:03:301
121699950,5cyclictest0-21swapper/111:00:101
121699950,5cyclictest0-21swapper/108:05:161
121699950,5cyclictest0-21swapper/107:50:151
121699950,4cyclictest0-21swapper/111:40:121
121699950,4cyclictest0-21swapper/110:10:111
121699950,4cyclictest0-21swapper/108:45:501
121699950,3cyclictest0-21swapper/112:25:131
121699950,3cyclictest0-21swapper/111:15:111
121699950,3cyclictest0-21swapper/110:17:271
121699950,3cyclictest0-21swapper/109:40:131
121699950,3cyclictest0-21swapper/109:26:491
121699950,3cyclictest0-21swapper/108:20:011
121699950,2cyclictest0-21swapper/112:10:031
121699950,2cyclictest0-21swapper/111:55:121
121699950,2cyclictest0-21swapper/111:50:111
121699950,2cyclictest0-21swapper/111:25:371
121699950,2cyclictest0-21swapper/110:38:431
121699950,2cyclictest0-21swapper/110:30:461
121699950,2cyclictest0-21swapper/110:00:101
121699950,2cyclictest0-21swapper/109:34:061
121699950,2cyclictest0-21swapper/108:00:201
121699950,1cyclictest0-21swapper/110:55:011
121699950,1cyclictest0-21swapper/107:15:001
121699950,0cyclictest0-21swapper/107:25:101
121589953,1cyclictest3496-21grep09:05:150
121589953,1cyclictest26453-21sed08:45:130
121589952,1cyclictest9-21ksoftirqd/008:52:410
121589950,5cyclictest0-21swapper/008:25:130
121589950,5cyclictest0-21swapper/007:45:140
121589950,1cyclictest12349-21/usr/sbin/munin07:10:130
121899943,1cyclictest35-21ksoftirqd/307:50:123
121899943,1cyclictest18500-21grep07:20:153
121899942,1cyclictest561-21nscd08:05:133
121899941,1cyclictest240-21systemd-journal07:33:403
121899940,1cyclictest0-21swapper/308:15:113
121699944,0cyclictest0-21swapper/110:40:071
121699943,1cyclictest269262sleep107:39:541
121699943,1cyclictest251212sleep108:41:171
121699943,1cyclictest24542-21chrt07:34:291
121699942,1cyclictest0-21swapper/107:15:131
121699941,2cyclictest0-21swapper/107:45:121
121699940,4cyclictest0-21swapper/109:08:111
121699940,4cyclictest0-21swapper/108:54:111
121699940,3cyclictest0-21swapper/109:00:151
121699940,3cyclictest0-21swapper/108:20:101
121699940,2cyclictest0-21swapper/112:35:241
121699940,2cyclictest0-21swapper/109:50:131
121699940,2cyclictest0-21swapper/108:10:111
121699940,1cyclictest0-21swapper/111:30:011
121699940,1cyclictest0-21swapper/108:35:121
121699940,1cyclictest0-21swapper/107:55:221
121699940,0cyclictest0-21swapper/112:20:201
121699931,1cyclictest0-21swapper/108:30:111
121699931,1cyclictest0-21swapper/107:20:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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