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2026-04-14 - 04:35
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Tue Apr 14, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24482213150,50sleep20-21swapper/219:06:062
25602209158,24sleep00-21swapper/019:07:320
24772206151,42sleep10-21swapper/119:06:281
27322199160,26sleep30-21swapper/319:09:493
182792180,1sleep228-21ksoftirqd/223:00:192
47892170,0sleep10-21swapper/123:25:171
285799150,12cyclictest240-21systemd-journal00:19:563
284499140,14cyclictest0-21swapper/121:44:521
2857991111,0cyclictest0-21swapper/322:17:023
2852991110,1cyclictest30585-21if_eno120:05:142
2852991110,1cyclictest18325-21apt-get22:20:112
2852991110,1cyclictest18325-21apt-get22:20:112
285299110,1cyclictest0-21swapper/223:51:312
283799119,1cyclictest9-21ksoftirqd/000:39:590
283799114,6cyclictest18098-21perf22:19:590
171562100,0sleep027940-21diskmemload00:24:570
114752100,0sleep30-21swapper/322:51:153
28579997,2cyclictest16036-1kworker/u9:200:25:433
28579990,5cyclictest27940-21diskmemload23:20:193
28379992,3cyclictest2868-21cut21:59:590
28379990,5cyclictest0-21swapper/023:20:120
28379990,4cyclictest15295-21munin-run19:35:010
13053290,0sleep30-21swapper/322:11:553
28579982,3cyclictest22601-21apt-get19:50:123
28579981,3cyclictest27940-21diskmemload21:30:023
28579980,4cyclictest26364-21/usr/sbin/munin00:35:193
28529987,1cyclictest61650irq/122-eno122:05:522
28529986,1cyclictest61650irq/122-eno122:30:162
28529986,1cyclictest61650irq/122-eno121:53:472
28529986,1cyclictest30388-21perf00:00:002
28529982,3cyclictest585-21rs:main2
28529982,3cyclictest24084-21apt-get21:45:122
28529980,5cyclictest9355-21apt-get22:50:122
28449985,0cyclictest0-21swapper/100:33:421
28379987,1cyclictest16955-21ssh23:40:390
28379986,1cyclictest9-21ksoftirqd/000:35:000
28379986,1cyclictest25690-21perf22:30:010
28379986,1cyclictest14784-21sendmail-msp23:40:000
28379984,4cyclictest24749-21kworker/0:200:17:510
28379982,3cyclictest20813-21apt-get23:05:110
28379981,6cyclictest16751-21perf23:00:000
28379980,7cyclictest28798-21chrt23:55:440
28379980,7cyclictest27309-21runrttasks21:49:130
28379980,7cyclictest1509-21users21:15:230
5431270,1sleep335-21ksoftirqd/323:25:233
3822270,1sleep34028-21users00:05:213
3372270,0sleep10-21swapper/119:10:141
28579976,1cyclictest6564-21ntpq22:45:183
28579975,1cyclictest35-21ksoftirqd/320:29:583
28579975,1cyclictest28816-21ssh23:55:483
28579975,1cyclictest13741-21ssh23:37:223
28579972,4cyclictest29664-21munin-run22:35:013
28579972,4cyclictest27940-21diskmemload21:45:183
28579972,3cyclictest19516-21ssh22:20:163
28579972,3cyclictest19516-21ssh22:20:163
28579972,2cyclictest27940-21diskmemload23:01:323
28579971,2cyclictest28944-21timerwakeupswit20:00:213
28579970,6cyclictest4024-21ssh21:20:093
28529976,1cyclictest61650irq/122-eno123:25:462
28529976,1cyclictest61650irq/122-eno123:15:152
28529976,1cyclictest61650irq/122-eno123:05:132
28529976,1cyclictest61650irq/122-eno122:40:182
28529976,1cyclictest61650irq/122-eno122:10:142
28529976,1cyclictest61650irq/122-eno122:04:522
28529976,1cyclictest61650irq/122-eno121:19:502
28529976,0cyclictest61650irq/122-eno123:10:122
28529976,0cyclictest61650irq/122-eno121:55:142
28529976,0cyclictest61650irq/122-eno121:33:152
28529975,1cyclictest61650irq/122-eno121:20:132
28529975,1cyclictest61650irq/122-eno119:44:092
28529975,1cyclictest61650irq/122-eno100:15:142
28529975,1cyclictest29545-21ssh21:10:192
28529975,1cyclictest28-21ksoftirqd/200:00:162
28529974,2cyclictest17650-21sendmail19:40:012
28529973,2cyclictest8589-21ntpq23:30:182
28529973,2cyclictest240-21systemd-journal21:35:002
28529971,3cyclictest27940-21diskmemload00:25:142
28449972,3cyclictest0-21swapper/119:54:571
28449970,7cyclictest0-21swapper/123:35:211
28449970,0cyclictest0-21swapper/122:25:131
28449970,0cyclictest0-21swapper/119:25:171
28379976,1cyclictest9857-21sensors19:20:180
28379976,1cyclictest9467-21nscd22:00:490
28379971,6cyclictest12654-21ssh21:30:160
28379971,3cyclictest27940-21diskmemload21:40:080
28379970,6cyclictest8036-21ssh00:10:560
28379970,6cyclictest4057-21ssh21:20:110
28379970,6cyclictest3092-21sed00:05:140
28379970,6cyclictest17104-21taskset23:00:130
28379970,6cyclictest1413-21apt-config22:40:000
28379970,6cyclictest0-21swapper/023:45:220
28379970,6cyclictest0-21swapper/022:50:160
28379970,6cyclictest0-21swapper/022:36:000
28379970,4cyclictest0-21swapper/023:50:580
28379970,3cyclictest0-21swapper/022:30:110
28379970,3cyclictest0-21swapper/000:25:100
28379970,1cyclictest9231-21ssh23:30:240
28379970,1cyclictest8159-21pmu-power22:05:180
28379970,1cyclictest5896-21ssh22:45:150
28379970,1cyclictest31722-21ssh21:14:490
28379970,1cyclictest27940-21diskmemload23:28:530
28379970,1cyclictest27940-21diskmemload21:26:120
28379970,1cyclictest184312sleep022:20:120
28379970,1cyclictest184312sleep022:20:120
28379970,1cyclictest17713-21ssh21:35:180
28379970,1cyclictest0-21swapper/023:15:150
28379970,1cyclictest0-21swapper/021:50:190
28379970,1cyclictest0-21swapper/019:30:010
11510270,1sleep10-21swapper/121:29:201
28579965,1cyclictest9772-21ssh23:31:503
28579965,1cyclictest8905-21sshd22:05:573
28579965,1cyclictest5641-21ntpq19:15:013
28579965,1cyclictest4715-21ssh22:44:043
28579965,1cyclictest32488-21ssh22:37:243
28579965,1cyclictest30330-21ssh23:15:443
28579965,1cyclictest27443-21ssh23:13:143
28579965,1cyclictest23937-21ssh22:25:223
28579965,1cyclictest2248-21ssh21:17:053
28579965,1cyclictest22096-21ssh21:40:233
28579965,1cyclictest18215-21ssh21:35:283
28579965,1cyclictest13105-21ssh22:55:013
28579965,1cyclictest1267-21ssh00:03:433
28579964,1cyclictest6814-21sed00:10:143
28579964,1cyclictest30904-21ssh21:12:503
28579964,1cyclictest21634-21hddtemp_smartct23:05:163
28579964,1cyclictest20009-21cron19:45:013
28579963,2cyclictest5912-21sh22:03:063
28579963,1cyclictest240-21systemd-journal21:50:003
28579963,1cyclictest240-21systemd-journal20:56:493
28579963,1cyclictest240-21systemd-journal19:29:553
28579963,1cyclictest23891-21hddtemp_smartct23:50:153
28579963,1cyclictest17647-21munin-run19:40:003
28579963,1cyclictest13650irq/124-ahci[0020:34:543
28579962,2cyclictest240-21systemd-journal19:59:473
28579960,3cyclictest0-21swapper/300:33:363
28579960,2cyclictest24630-21/usr/sbin/munin21:00:183
28579960,2cyclictest0-21swapper/323:40:343
28579960,1cyclictest8592-21expr21:25:143
28579960,1cyclictest5181-21awk19:15:003
28529966,0cyclictest61650irq/122-eno123:45:512
28529966,0cyclictest61650irq/122-eno123:40:202
28529966,0cyclictest61650irq/122-eno123:20:102
28529966,0cyclictest61650irq/122-eno122:25:112
28529966,0cyclictest61650irq/122-eno122:16:052
28529966,0cyclictest61650irq/122-eno121:25:102
28529966,0cyclictest61650irq/122-eno121:08:482
28529966,0cyclictest61650irq/122-eno120:56:342
28529966,0cyclictest61650irq/122-eno120:35:362
28529966,0cyclictest61650irq/122-eno120:10:192
28529966,0cyclictest61650irq/122-eno119:32:112
28529966,0cyclictest61650irq/122-eno119:15:222
28529966,0cyclictest61650irq/122-eno100:35:092
28529966,0cyclictest61650irq/122-eno100:30:082
28529966,0cyclictest61650irq/122-eno100:20:052
28529966,0cyclictest61650irq/122-eno100:10:502
28529965,1cyclictest61650irq/122-eno123:35:142
28529965,1cyclictest61650irq/122-eno122:56:432
28529965,1cyclictest61650irq/122-eno121:41:122
28529965,0cyclictest61650irq/122-eno122:45:112
28529964,1cyclictest61650irq/122-eno120:25:122
28529963,1cyclictest240-21systemd-journal20:17:332
28529963,1cyclictest240-21systemd-journal19:45:472
28529962,3cyclictest11322-21diskstats19:25:132
28529962,2cyclictest240-21systemd-journal22:35:012
28529961,1cyclictest0-21swapper/219:55:122
28529960,4cyclictest25592-21idleruntime-cro21:04:592
28449963,0cyclictest0-21swapper/123:48:541
28449963,0cyclictest0-21swapper/120:05:191
28449962,3cyclictest0-21swapper/122:23:231
28449962,3cyclictest0-21swapper/122:23:221
28449960,6cyclictest0-21swapper/122:52:541
28449960,6cyclictest0-21swapper/122:46:361
28449960,6cyclictest0-21swapper/122:11:171
28449960,6cyclictest0-21swapper/120:15:151
28449960,6cyclictest0-21swapper/100:12:491
28449960,4cyclictest0-21swapper/122:40:161
28449960,4cyclictest0-21swapper/100:04:391
28449960,1cyclictest0-21swapper/122:05:101
28449960,0cyclictest0-21swapper/123:40:181
28449960,0cyclictest0-21swapper/121:12:071
28379965,1cyclictest15401-21/usr/sbin/munin20:40:190
28379964,1cyclictest30476-21grep20:05:150
28379964,1cyclictest22866-21cpuspeed_turbos19:50:120
28379963,1cyclictest9-21ksoftirqd/019:57:480
28379963,0cyclictest0-21swapper/020:55:180
28379962,2cyclictest240-21systemd-journal20:20:180
28379962,1cyclictest240-21systemd-journal19:15:000
28379961,4cyclictest917-21grep20:10:160
28379960,6cyclictest0-21swapper/023:10:070
28379960,6cyclictest0-21swapper/019:35:060
28379960,5cyclictest12851-21ssh22:11:220
28379960,5cyclictest0-21swapper/020:15:130
28379960,3cyclictest0-21swapper/021:05:110
28379960,2cyclictest0-21swapper/020:00:120
28379960,1cyclictest7049-21wc19:15:160
28379960,1cyclictest0-21swapper/020:25:110
28379960,0cyclictest0-21swapper/020:50:120
28379960,0cyclictest0-21swapper/019:47:470
28379960,0cyclictest0-21swapper/019:40:120
28379960,0cyclictest0-21swapper/000:00:120
28579953,1cyclictest4396-21apt-get20:20:123
28579953,1cyclictest35-21ksoftirqd/320:08:363
28579953,1cyclictest31644-21sh21:55:033
28579953,1cyclictest2749-21grep20:15:153
28579953,1cyclictest15939-21cron20:45:013
28579953,1cyclictest131572sleep319:30:063
28579952,1cyclictest240-21systemd-journal00:20:113
28579951,3cyclictest20275-21ntpq23:45:213
28579950,4cyclictest27742-21runrttasks21:07:403
28579950,3cyclictest8898-21cstates19:20:113
28579950,3cyclictest0-21swapper/320:35:133
28579950,0cyclictest0-21swapper/320:50:333
28529955,0cyclictest61650irq/122-eno120:50:212
28529955,0cyclictest61650irq/122-eno120:23:542
28529955,0cyclictest61650irq/122-eno120:00:132
28529955,0cyclictest61650irq/122-eno119:50:152
28529955,0cyclictest61650irq/122-eno119:10:112
28529951,1cyclictest0-21swapper/219:20:102
28529950,1cyclictest0-21swapper/220:45:132
28449953,1cyclictest3971-21chrt21:20:011
28449950,5cyclictest203-21jbd2/sda2-800:23:161
28449950,5cyclictest0-21swapper/123:55:101
28449950,5cyclictest0-21swapper/123:11:281
28449950,5cyclictest0-21swapper/122:19:191
28449950,5cyclictest0-21swapper/121:56:551
28449950,5cyclictest0-21swapper/119:42:331
28449950,5cyclictest0-21swapper/119:38:031
28449950,5cyclictest0-21swapper/100:29:181
28449950,3cyclictest0-21swapper/121:45:001
28449950,3cyclictest0-21swapper/121:30:121
28449950,2cyclictest0-21swapper/122:38:151
28449950,2cyclictest0-21swapper/122:03:291
28449950,2cyclictest0-21swapper/121:00:001
28449950,2cyclictest0-21swapper/119:50:001
28449950,1cyclictest0-21swapper/123:20:121
28449950,1cyclictest0-21swapper/123:18:451
28449950,1cyclictest0-21swapper/123:05:181
28449950,1cyclictest0-21swapper/121:35:111
28379952,2cyclictest1618150/usr/sbin/munin20:45:140
28379950,5cyclictest0-21swapper/020:35:020
28379950,4cyclictest9100-21/usr/sbin/munin20:30:200
28379950,4cyclictest23528-21telnet21:00:130
28579942,1cyclictest32237-21cpu20:10:113
28579941,2cyclictest16186-21apt-get20:45:133
28579940,3cyclictest0-21swapper/319:45:153
28529944,0cyclictest61650irq/122-eno120:30:142
28529940,1cyclictest0-21swapper/220:40:112
28449943,1cyclictest0-21swapper/122:30:121
28449943,1cyclictest0-21swapper/120:20:121
28449941,1cyclictest0-21swapper/123:50:001
28449941,1cyclictest0-21swapper/120:50:201
28449940,4cyclictest0-21swapper/121:50:131
28449940,4cyclictest0-21swapper/121:00:581
28449940,3cyclictest1792-21taskset21:16:011
28449940,3cyclictest0-21swapper/122:55:011
28449940,3cyclictest0-21swapper/120:30:131
28449940,3cyclictest0-21swapper/119:20:121
28449940,3cyclictest0-21swapper/100:35:541
28449940,3cyclictest0-21swapper/100:15:101
28449940,3cyclictest0-21swapper/100:05:111
28449940,2cyclictest0-21swapper/120:45:201
28449940,2cyclictest0-21swapper/120:40:171
28449940,2cyclictest0-21swapper/120:35:161
28449940,2cyclictest0-21swapper/120:29:581
28449940,2cyclictest0-21swapper/120:00:111
28449940,1cyclictest0-21swapper/123:30:151
28449940,1cyclictest0-21swapper/123:02:191
28449940,1cyclictest0-21swapper/121:05:151
28449940,1cyclictest0-21swapper/119:15:161
28449940,0cyclictest0-21swapper/119:30:201
28449931,1cyclictest0-21swapper/120:10:101
28449931,1cyclictest0-21swapper/119:55:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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