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2026-05-23 - 12:16
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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 all highest latencies:
System rack1slot1.osadl.org (updated Sat May 23, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262592202144,46sleep30-21swapper/319:06:353
263332201144,44sleep00-21swapper/019:07:320
264332200161,26sleep10-21swapper/119:08:501
263992199158,27sleep20-21swapper/219:08:232
12692180,0sleep00-21swapper/021:27:090
93812160,0sleep30-21swapper/323:05:133
279722150,0sleep20-21swapper/221:20:142
26612991513,1cyclictest9-21ksoftirqd/000:20:010
136502150,0sleep00-21swapper/023:55:010
26637991210,1cyclictest35-21ksoftirqd/321:30:003
26629991211,1cyclictest28-21ksoftirqd/221:50:002
26612991210,1cyclictest9-21ksoftirqd/022:15:000
26612991210,1cyclictest9-21ksoftirqd/021:25:000
2661299119,1cyclictest9-21ksoftirqd/022:35:000
2661299119,1cyclictest9-21ksoftirqd/021:35:140
2661299119,1cyclictest9-21ksoftirqd/021:00:010
2661299113,4cyclictest17300-21sed00:00:000
26612991110,1cyclictest9-21ksoftirqd/000:40:000
2662999108,1cyclictest28-21ksoftirqd/219:15:012
2662999100,10cyclictest0-21swapper/223:01:442
2661299109,1cyclictest9-21ksoftirqd/023:35:000
2661299109,1cyclictest9-21ksoftirqd/021:45:000
2661299109,1cyclictest9-21ksoftirqd/021:35:000
2661299109,1cyclictest19252-21diskmemload21:11:170
2661299108,1cyclictest9-21ksoftirqd/023:00:000
2661299108,1cyclictest9-21ksoftirqd/020:25:000
266379997,1cyclictest35-21ksoftirqd/321:04:593
266379996,2cyclictest0-21swapper/323:00:043
266379993,1cyclictest26814-21apt-get19:10:113
266379990,4cyclictest4518-21apt-get19:30:113
266379990,4cyclictest0-21swapper/300:30:103
266299998,1cyclictest28-21ksoftirqd/221:20:012
266299995,4cyclictest1747-21ntpd23:20:292
266299991,7cyclictest7412-21taskset20:44:352
266129998,1cyclictest9-21ksoftirqd/000:30:010
266129997,1cyclictest9-21ksoftirqd/023:35:110
266129997,1cyclictest9-21ksoftirqd/022:50:000
266129997,1cyclictest9-21ksoftirqd/022:40:000
266129997,1cyclictest9-21ksoftirqd/022:10:000
266129997,1cyclictest9-21ksoftirqd/019:15:000
3105280,1sleep10-21swapper/100:23:261
266379984,2cyclictest240-21systemd-journal23:25:003
266379984,1cyclictest19252-21diskmemload22:42:483
266379982,2cyclictest30596-21cpuspeed_turbos22:50:123
266379981,7cyclictest2155-21taskset19:25:053
266379980,6cyclictest28862-21/usr/sbin/munin22:05:153
266379980,2cyclictest0-21swapper/323:50:113
266299986,1cyclictest61650irq/122-eno123:40:422
266299986,1cyclictest61650irq/122-eno123:35:122
266299986,1cyclictest61650irq/122-eno123:05:152
266299986,1cyclictest61650irq/122-eno122:55:332
266299986,1cyclictest61650irq/122-eno122:45:202
266299986,1cyclictest61650irq/122-eno122:20:162
266299986,1cyclictest61650irq/122-eno100:05:112
266299986,1cyclictest28-21ksoftirqd/223:55:002
266299984,4cyclictest693-21runrttasks21:12:232
266299980,3cyclictest0-21swapper/219:45:102
266129987,1cyclictest9-21ksoftirqd/023:30:000
266129986,2cyclictest213752sleep021:55:060
266129986,1cyclictest9-21ksoftirqd/021:55:000
266129986,1cyclictest9-21ksoftirqd/019:25:120
266129986,1cyclictest8432-21ssh23:04:030
266129986,1cyclictest3090-21ssh22:13:320
266129983,4cyclictest19252-21diskmemload22:20:590
266129981,1cyclictest16292-21ssh21:46:480
266129980,7cyclictest25402-21expr00:10:130
266129980,7cyclictest25402-21expr00:10:130
266129980,5cyclictest19252-21diskmemload23:05:300
266379975,1cyclictest31007-21ssh00:16:453
266379973,2cyclictest240-21systemd-journal20:10:003
266379972,4cyclictest19252-21diskmemload00:05:113
266379971,5cyclictest0-21swapper/320:55:103
266379971,3cyclictest19252-21diskmemload23:25:033
266379971,3cyclictest19252-21diskmemload21:56:313
266379970,4cyclictest0-21swapper/322:23:163
266379970,4cyclictest0-21swapper/321:38:063
266379970,3cyclictest0-21swapper/322:57:123
266299976,1cyclictest61650irq/122-eno123:10:442
266299976,1cyclictest61650irq/122-eno122:15:112
266299976,1cyclictest61650irq/122-eno121:36:492
266299976,1cyclictest61650irq/122-eno121:30:532
266299976,1cyclictest61650irq/122-eno120:05:122
266299976,1cyclictest61650irq/122-eno100:18:332
266299976,1cyclictest18717-21ntpq00:00:192
266299976,0cyclictest61650irq/122-eno100:35:102
266299975,1cyclictest61650irq/122-eno122:35:162
266299975,1cyclictest61650irq/122-eno100:00:002
266299975,1cyclictest28-21ksoftirqd/200:28:482
266299975,1cyclictest0-21swapper/220:15:142
266299974,2cyclictest9467-21nscd22:05:122
266299974,1cyclictest240-21systemd-journal22:14:352
266299973,1cyclictest294-21systemd-udevd23:17:082
266299973,1cyclictest294-21systemd-udevd23:17:082
266299973,1cyclictest240-21systemd-journal20:35:002
266299972,3cyclictest240-21systemd-journal00:35:002
266299970,2cyclictest24418-21runrttasks21:58:492
266299970,2cyclictest0-21swapper/223:30:142
266299970,1cyclictest13222-21ssh21:43:412
266229971,4cyclictest0-21swapper/122:05:201
266229970,6cyclictest0-21swapper/122:20:161
266229970,4cyclictest0-21swapper/120:40:121
266229970,3cyclictest0-21swapper/123:05:111
266129976,1cyclictest9-21ksoftirqd/019:55:000
266129976,1cyclictest22204-21ntpq20:05:180
266129975,1cyclictest9-21ksoftirqd/021:15:130
266129975,1cyclictest9-21ksoftirqd/021:05:000
266129975,1cyclictest522-21sh22:52:500
266129975,1cyclictest10414-21ntp_states19:40:180
266129973,3cyclictest0-21swapper/021:10:000
266129972,5cyclictest6668-21perf19:35:000
266129970,6cyclictest6617-21cpuspeed_turbos23:45:140
266129970,6cyclictest5207-21ssh23:42:270
266129970,6cyclictest19252-21diskmemload22:40:500
266129970,6cyclictest17910-21mailstats23:15:180
266129970,6cyclictest17910-21mailstats23:15:180
266129970,6cyclictest13289-21df23:10:120
266129970,6cyclictest0-21swapper/020:35:090
266129970,4cyclictest3946-21/usr/sbin/munin00:25:130
266129970,1cyclictest25760-21fschecks_count22:00:140
266129970,1cyclictest11709-21aten_r1power_en22:25:120
266129970,1cyclictest1049-21sh00:20:150
266129970,1cyclictest0-21swapper/019:45:170
266379965,1cyclictest3876-21ntpq23:40:173
266379965,1cyclictest32559-21ssh22:10:063
266379965,1cyclictest29480-21ssh23:30:233
266379965,1cyclictest27737-21ssh00:13:033
266379965,1cyclictest27737-21ssh00:13:033
266379965,1cyclictest27427-21ssh22:01:443
266379965,1cyclictest2265-21ssh00:21:033
266379965,1cyclictest18576-21ssh23:16:113
266379965,1cyclictest18576-21ssh23:16:113
266379965,1cyclictest17538-21ssh00:00:103
266379965,1cyclictest10142-21cat19:40:163
266379964,1cyclictest7132-21grep23:45:153
266379964,1cyclictest583-21in:imuxsock22:26:193
266379964,1cyclictest4919-21sh22:15:143
266379964,1cyclictest35-21ksoftirqd/320:30:003
266379964,0cyclictest19252-21diskmemload23:35:013
266379963,1cyclictest240-21systemd-journal22:36:383
266379962,3cyclictest28751-21mailstats21:20:203
266379962,3cyclictest14004-21apt-get21:45:133
266379962,2cyclictest240-21systemd-journal20:03:053
266379962,1cyclictest19252-21diskmemload21:15:113
266379962,0cyclictest19252-21diskmemload00:35:373
266379961,3cyclictest25944-21apt-get20:15:123
266379961,3cyclictest19252-21diskmemload23:59:523
266379961,2cyclictest19252-21diskmemload23:11:283
266379961,2cyclictest19252-21diskmemload22:30:513
266379961,1cyclictest0-21swapper/322:47:593
266379960,3cyclictest19252-21diskmemload21:30:533
266379960,3cyclictest0-21swapper/321:54:013
266379960,3cyclictest0-21swapper/321:40:103
266379960,2cyclictest0-21swapper/321:14:193
266379960,2cyclictest0-21swapper/300:26:033
266299966,0cyclictest61650irq/122-eno122:50:112
266299966,0cyclictest61650irq/122-eno122:41:492
266299966,0cyclictest61650irq/122-eno122:30:152
266299966,0cyclictest61650irq/122-eno122:01:312
266299966,0cyclictest61650irq/122-eno121:50:152
266299966,0cyclictest61650irq/122-eno121:25:012
266299966,0cyclictest61650irq/122-eno120:55:202
266299966,0cyclictest61650irq/122-eno120:26:262
266299966,0cyclictest61650irq/122-eno120:20:132
266299966,0cyclictest61650irq/122-eno120:11:072
266299966,0cyclictest61650irq/122-eno119:55:112
266299966,0cyclictest61650irq/122-eno119:40:112
266299966,0cyclictest61650irq/122-eno119:15:002
266299966,0cyclictest61650irq/122-eno100:10:082
266299966,0cyclictest61650irq/122-eno100:10:082
266299965,1cyclictest61650irq/122-eno123:45:122
266299965,1cyclictest61650irq/122-eno122:26:082
266299965,1cyclictest61650irq/122-eno119:27:122
266299965,1cyclictest61650irq/122-eno100:20:202
266299964,1cyclictest61650irq/122-eno121:05:102
266299964,1cyclictest61650irq/122-eno120:45:112
266299964,1cyclictest61650irq/122-eno120:35:182
266299962,2cyclictest0-21swapper/223:26:112
266299960,6cyclictest0-21swapper/220:03:102
266229961,2cyclictest0-21swapper/122:55:141
266229960,6cyclictest0-21swapper/123:46:421
266229960,6cyclictest0-21swapper/100:25:151
266229960,5cyclictest2112-21chrt23:39:151
266229960,5cyclictest0-21swapper/122:35:161
266229960,5cyclictest0-21swapper/121:18:481
266229960,4cyclictest0-21swapper/119:30:151
266229960,3cyclictest0-21swapper/123:55:001
266229960,3cyclictest0-21swapper/121:54:021
266229960,3cyclictest0-21swapper/121:35:121
266229960,3cyclictest0-21swapper/100:14:451
266229960,3cyclictest0-21swapper/100:14:441
266229960,0cyclictest0-21swapper/123:29:231
266129965,1cyclictest8585-21cat20:45:140
266129965,1cyclictest0-21swapper/000:05:200
266129964,1cyclictest9-21ksoftirqd/020:30:130
266129964,1cyclictest9-21ksoftirqd/020:15:000
266129964,1cyclictest9-21ksoftirqd/019:25:000
266129964,1cyclictest29187-21cut19:15:010
266129960,6cyclictest0-21swapper/000:00:160
266129960,4cyclictest240-21systemd-journal19:35:000
266129960,2cyclictest0-21swapper/023:23:050
266129960,2cyclictest0-21swapper/020:40:120
266129960,1cyclictest19098-21expr20:00:120
266129960,0cyclictest0-21swapper/020:52:380
266379954,1cyclictest602-21apt-get20:30:123
266379954,1cyclictest11239-21ntpq20:50:333
266379953,1cyclictest31974-21sh19:20:013
266379953,1cyclictest29999-21grep20:20:183
266379953,1cyclictest24524-21latency20:10:153
266379952,1cyclictest0-21swapper/320:40:003
266379951,3cyclictest11602-21apt-get19:45:103
266379951,1cyclictest18857-21/usr/sbin/munin21:05:213
266379950,4cyclictest32237-21apt-get19:20:123
266379950,3cyclictest0-21swapper/319:55:163
266379950,2cyclictest0-21swapper/319:35:153
266379950,1cyclictest240-21systemd-journal20:35:053
266379950,0cyclictest0-21swapper/319:50:433
266299955,0cyclictest61650irq/122-eno121:02:502
266299955,0cyclictest61650irq/122-eno120:50:132
266299955,0cyclictest61650irq/122-eno119:35:152
266299955,0cyclictest61650irq/122-eno119:22:442
266299951,1cyclictest0-21swapper/219:30:102
266299950,1cyclictest0-21swapper/219:50:182
266229955,0cyclictest0-21swapper/121:13:011
266229952,3cyclictest0-21swapper/121:00:001
266229951,2cyclictest0-21swapper/123:30:171
266229951,2cyclictest0-21swapper/121:46:281
266229951,1cyclictest0-21swapper/122:00:171
266229950,5cyclictest0-21swapper/122:26:441
266229950,5cyclictest0-21swapper/120:05:581
266229950,4cyclictest0-21swapper/119:40:001
266229950,3cyclictest0-21swapper/123:40:481
266229950,2cyclictest0-21swapper/123:55:571
266229950,2cyclictest0-21swapper/122:40:111
266229950,2cyclictest0-21swapper/122:30:221
266229950,2cyclictest0-21swapper/122:11:031
266229950,2cyclictest0-21swapper/121:30:211
266229950,2cyclictest0-21swapper/119:55:101
266229950,2cyclictest0-21swapper/100:34:151
266229950,2cyclictest0-21swapper/100:00:201
266229950,1cyclictest0-21swapper/123:10:131
266229950,1cyclictest0-21swapper/123:05:011
266229950,1cyclictest0-21swapper/121:41:131
266229950,1cyclictest0-21swapper/121:22:091
266229950,1cyclictest0-21swapper/100:35:241
266229950,1cyclictest0-21swapper/100:19:541
266229950,0cyclictest0-21swapper/123:23:191
266229950,0cyclictest0-21swapper/122:50:181
266229950,0cyclictest0-21swapper/122:19:091
266229950,0cyclictest0-21swapper/121:09:561
266229950,0cyclictest0-21swapper/120:00:191
266229950,0cyclictest0-21swapper/119:40:581
266229950,0cyclictest0-21swapper/119:15:581
266229950,0cyclictest0-21swapper/100:05:501
266129952,2cyclictest27661-21grep20:15:200
266129950,4cyclictest30683-21/usr/sbin/munin20:25:200
266129950,0cyclictest0-21swapper/019:55:030
266379940,3cyclictest0-21swapper/320:45:103
266229941,2cyclictest0-21swapper/121:00:141
266229940,4cyclictest0-21swapper/120:51:081
266229940,4cyclictest0-21swapper/119:29:111
266229940,3cyclictest0-21swapper/121:55:471
266229940,3cyclictest0-21swapper/120:10:111
266229940,2cyclictest0-21swapper/123:15:181
266229940,2cyclictest0-21swapper/123:15:181
266229940,2cyclictest0-21swapper/121:25:141
266229940,2cyclictest0-21swapper/120:35:121
266229940,1cyclictest0-21swapper/122:45:191
266229940,1cyclictest0-21swapper/120:25:161
266229940,1cyclictest0-21swapper/119:50:171
266229940,0cyclictest0-21swapper/119:20:201
266229940,0cyclictest0-21swapper/119:10:201
266229931,1cyclictest0-21swapper/120:20:091
266229931,1cyclictest0-21swapper/120:15:151
266229931,1cyclictest0-21swapper/119:45:101
266229930,2cyclictest0-21swapper/120:30:121
266229930,1cyclictest0-21swapper/120:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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