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2026-07-09 - 08:21
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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 09, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10852214149,51sleep00-21swapper/019:08:260
8582209158,25sleep30-21swapper/319:05:313
11532201163,25sleep10-21swapper/119:09:191
11072200159,27sleep20-21swapper/219:08:442
320922640,0sleep20-21swapper/223:29:122
284142170,0sleep20-21swapper/200:07:292
92322160,0sleep10-21swapper/122:13:281
131599144,1cyclictest5077-21ssh21:24:273
130799130,13cyclictest0-21swapper/221:37:082
131599120,2cyclictest0-21swapper/300:34:383
1286991211,1cyclictest9-21ksoftirqd/023:25:150
1286991210,1cyclictest9-21ksoftirqd/023:35:010
76122110,0sleep00-21swapper/021:26:020
130799116,1cyclictest61650irq/122-eno122:21:072
130799116,1cyclictest61650irq/122-eno122:21:072
130799116,0cyclictest61650irq/122-eno122:40:172
130799115,1cyclictest61650irq/122-eno123:10:182
130799111,9cyclictest26576-21diskmemload22:00:212
128699119,1cyclictest9-21ksoftirqd/019:30:000
128699113,4cyclictest2881-21perf22:49:590
1286991110,1cyclictest9-21ksoftirqd/022:35:000
128699110,5cyclictest5160-21perf20:25:000
272932100,0sleep10-21swapper/123:20:431
272932100,0sleep10-21swapper/123:20:431
131599105,1cyclictest31795-21ssh00:11:443
131599105,1cyclictest28589-21ssh00:08:003
131599105,1cyclictest20163-21ssh21:44:353
130799108,1cyclictest693-21runrttasks23:43:422
130799106,1cyclictest61650irq/122-eno123:20:192
130799106,1cyclictest61650irq/122-eno123:20:182
130799105,1cyclictest61650irq/122-eno122:34:082
130799105,1cyclictest61650irq/122-eno100:20:572
1307991010,0cyclictest0-21swapper/223:35:202
130799101,1cyclictest26943-21hostname21:10:122
128699102,4cyclictest9303-21perf19:25:000
128699102,4cyclictest0-21swapper/022:00:000
13159998,1cyclictest10754-21ntp_kernel_pll_21:30:183
13159990,6cyclictest35-21ksoftirqd/323:15:203
13159990,2cyclictest0-21swapper/323:49:403
13159990,1cyclictest0-21swapper/322:08:433
13159990,0cyclictest0-21swapper/321:47:203
13079996,0cyclictest61650irq/122-eno122:51:262
13079996,0cyclictest61650irq/122-eno122:46:342
13079996,0cyclictest61650irq/122-eno100:02:042
13079990,6cyclictest28154-21rm21:55:112
13079990,5cyclictest9101-21cron21:30:002
12869991,4cyclictest2508-21date22:05:000
12869991,4cyclictest21694-21cat21:00:000
26543286,1sleep228-21ksoftirqd/222:35:502
13159987,1cyclictest35-21ksoftirqd/321:05:003
13159981,5cyclictest9818-21kworker/u8:000:35:573
13159981,1cyclictest0-21swapper/300:26:083
13159980,8cyclictest0-21swapper/323:51:053
13159980,1cyclictest240-21systemd-journal21:36:203
13159980,0cyclictest0-21swapper/323:59:213
13159980,0cyclictest0-21swapper/321:10:513
13079986,1cyclictest61650irq/122-eno121:47:002
13079986,1cyclictest61650irq/122-eno100:15:112
13079985,0cyclictest26576-21diskmemload22:25:192
12869987,1cyclictest9-21ksoftirqd/020:10:110
12869986,1cyclictest9983-21ssh22:59:400
12869986,1cyclictest570-21nscd23:20:000
12869985,2cyclictest1460-21sendmail-msp21:20:000
12869983,4cyclictest27876-21nscd00:38:310
12869982,5cyclictest3831-21latency_hist19:15:000
12869980,7cyclictest5122-21ssh22:50:590
12869980,4cyclictest19319-21perf20:55:000
29679270,1sleep329684-21ssh21:55:263
26473270,1sleep10-21swapper/122:35:371
13159975,1cyclictest35-21ksoftirqd/320:50:013
13159975,1cyclictest28346-21apt-get20:05:103
13159975,1cyclictest26746-21ssh21:52:303
13159975,1cyclictest14270-21sshd20:41:153
13159975,1cyclictest14270-21sshd20:41:143
13159974,1cyclictest240-21systemd-journal00:05:003
13159972,2cyclictest11297-21if_eno123:00:153
13159972,2cyclictest0-21swapper/323:10:103
13159971,5cyclictest26576-21diskmemload22:30:163
13159971,4cyclictest0-21swapper/322:04:003
13159971,3cyclictest21061-21kworker/u8:022:43:293
13159970,6cyclictest7727-21apt-get20:30:113
13159970,3cyclictest0-21swapper/323:26:093
13159970,2cyclictest5556-21apt-get21:25:103
13079976,1cyclictest61650irq/122-eno123:30:012
13079976,1cyclictest61650irq/122-eno122:16:002
13079976,1cyclictest61650irq/122-eno122:12:542
13079976,1cyclictest61650irq/122-eno121:32:402
13079976,1cyclictest61650irq/122-eno121:17:532
13079976,1cyclictest61650irq/122-eno120:40:442
13079976,1cyclictest61650irq/122-eno120:40:432
13079976,1cyclictest61650irq/122-eno100:10:122
13079976,0cyclictest61650irq/122-eno100:25:122
13079975,1cyclictest61650irq/122-eno123:50:132
13079975,1cyclictest61650irq/122-eno123:15:392
13079975,1cyclictest4032-21sensors19:14:592
13079975,1cyclictest28-21ksoftirqd/219:40:002
13079975,1cyclictest24212-21ssh21:50:062
13079975,1cyclictest17846-21ssh23:10:002
13079974,1cyclictest61650irq/122-eno122:55:072
13079970,6cyclictest4812-21ssh22:06:092
13079970,6cyclictest0-21swapper/223:00:382
12999970,6cyclictest0-21swapper/121:10:151
12999970,5cyclictest0-21swapper/121:30:011
12999970,4cyclictest0-21swapper/123:45:181
12999970,4cyclictest0-21swapper/123:39:151
12999970,4cyclictest0-21swapper/121:40:101
12999970,4cyclictest0-21swapper/119:45:091
12999970,3cyclictest0-21swapper/121:35:101
12999970,2cyclictest0-21swapper/123:50:401
12869976,1cyclictest26720-21ssh21:52:250
12869976,1cyclictest26044-21ssh00:05:120
12869974,0cyclictest26576-21diskmemload22:42:270
12869973,1cyclictest0-21swapper/023:45:190
12869971,6cyclictest16508-21ssh23:06:450
12869971,3cyclictest26576-21diskmemload22:10:570
12869970,7cyclictest0-21swapper/023:21:130
12869970,7cyclictest0-21swapper/023:21:130
12869970,6cyclictest26576-21diskmemload22:36:190
12869970,6cyclictest26576-21diskmemload21:40:330
12869970,6cyclictest25358-21ssh00:04:130
12869970,6cyclictest18592-21ssh23:55:040
12869970,6cyclictest18341-21/usr/sbin/munin22:25:160
12869970,6cyclictest11837-21chrt19:30:110
12869970,6cyclictest10762-21ssh21:30:180
12869970,6cyclictest0-21swapper/023:10:000
12869970,6cyclictest0-21swapper/019:15:000
12869970,6cyclictest0-21swapper/000:21:230
12869970,6cyclictest0-21swapper/000:15:100
12869970,6cyclictest0-21swapper/000:10:170
12869970,5cyclictest24526-21kernelversion19:55:150
12869970,5cyclictest15426-21sh21:36:200
12869970,4cyclictest26576-21diskmemload21:24:100
12869970,2cyclictest9308-21users23:40:220
12869970,1cyclictest8029-21ssh00:25:080
12869970,1cyclictest2748-21apt-get22:05:090
12869970,1cyclictest15700-21ssh22:21:000
12869970,1cyclictest15700-21ssh22:20:590
12869970,1cyclictest0-21swapper/023:50:140
12869970,1cyclictest0-21swapper/019:50:110
23323260,0sleep10-21swapper/121:48:101
19580260,0sleep10-21swapper/122:26:481
13159965,1cyclictest8642-21ssh22:55:393
13159965,1cyclictest4039-21cat22:50:163
13159965,1cyclictest35-21ksoftirqd/320:59:593
13159965,1cyclictest35-21ksoftirqd/300:25:013
13159965,1cyclictest32339-21ssh21:15:553
13159965,1cyclictest27266-21ssh23:20:363
13159965,1cyclictest27266-21ssh23:20:363
13159965,1cyclictest16652-21ssh23:07:113
13159965,1cyclictest1430-21ntpq23:30:183
13159965,1cyclictest12082-21ssh22:16:083
13159964,1cyclictest6882-21munin-run19:20:003
13159964,1cyclictest32390-21df22:45:123
13159963,3cyclictest13650irq/124-ahci[0019:50:013
13159962,3cyclictest1505-21gltestperf00:15:133
13159960,4cyclictest3872-21apt-get23:35:103
13159960,4cyclictest0-21swapper/322:35:503
13159960,3cyclictest0-21swapper/322:22:123
13159960,3cyclictest0-21swapper/322:22:123
13159960,2cyclictest0-21swapper/323:43:363
13079966,0cyclictest61650irq/122-eno123:55:162
13079966,0cyclictest61650irq/122-eno121:40:152
13079966,0cyclictest61650irq/122-eno120:35:112
13079966,0cyclictest61650irq/122-eno120:32:522
13079966,0cyclictest61650irq/122-eno120:29:392
13079966,0cyclictest61650irq/122-eno120:22:282
13079966,0cyclictest61650irq/122-eno120:05:092
13079966,0cyclictest61650irq/122-eno120:03:322
13079966,0cyclictest61650irq/122-eno119:40:112
13079966,0cyclictest61650irq/122-eno119:20:202
13079965,1cyclictest61650irq/122-eno123:45:172
13079965,1cyclictest61650irq/122-eno121:20:112
13079965,1cyclictest61650irq/122-eno100:35:122
13079964,1cyclictest61650irq/122-eno119:45:092
13079964,1cyclictest61650irq/122-eno100:30:062
13079964,1cyclictest28-21ksoftirqd/219:55:012
13079964,1cyclictest13002-21ntpq19:30:192
13079963,2cyclictest190192sleep220:51:492
13079963,1cyclictest548-21systemd-logind20:10:192
13079961,3cyclictest25756-21munin-run20:00:002
13079960,4cyclictest0-21swapper/221:05:112
12999963,1cyclictest0-21swapper/123:31:301
12999962,1cyclictest315772chrt22:44:571
12999960,6cyclictest0-21swapper/122:17:051
12999960,6cyclictest0-21swapper/122:02:231
12999960,6cyclictest0-21swapper/121:52:581
12999960,6cyclictest0-21swapper/120:00:581
12999960,6cyclictest0-21swapper/100:06:451
12999960,4cyclictest0-21swapper/122:46:111
12999960,4cyclictest0-21swapper/100:04:391
12999960,3cyclictest0-21swapper/121:20:131
12869965,1cyclictest22888-21ssh21:46:530
12869963,1cyclictest240-21systemd-journal21:00:190
12869963,1cyclictest240-21systemd-journal19:45:000
12869961,5cyclictest32641-1kworker/u9:123:35:180
12869960,6cyclictest26576-21diskmemload00:30:560
12869960,6cyclictest0-21swapper/021:10:170
12869960,5cyclictest19032-21aten2.4-expect19:45:090
12869960,1cyclictest15348-21ntp_states19:35:150
12869960,0cyclictest26576-21diskmemload22:15:430
12869960,0cyclictest0-21swapper/023:00:040
12869960,0cyclictest0-21swapper/021:05:130
12869960,0cyclictest0-21swapper/020:40:100
12869960,0cyclictest0-21swapper/020:40:100
12869960,0cyclictest0-21swapper/020:25:110
12869960,0cyclictest0-21swapper/020:01:410
13159955,0cyclictest0-21swapper/319:31:413
13159953,1cyclictest26754-21grep20:00:173
13159953,1cyclictest21742-21ls19:50:113
13159953,1cyclictest0-21swapper/322:25:113
13159952,1cyclictest26576-21diskmemload22:10:153
13159951,2cyclictest240-21systemd-journal21:08:493
13159951,1cyclictest9479-21apt-get19:25:103
13159950,5cyclictest0-21swapper/320:20:093
13159950,5cyclictest0-21swapper/320:15:073
13159950,4cyclictest1696-21apt-get19:10:113
13159950,4cyclictest0-21swapper/320:50:133
13159950,3cyclictest15378-21awk19:35:143
13159950,2cyclictest30699-21apt20:10:113
13159950,2cyclictest0-21swapper/320:35:183
13159950,2cyclictest0-21swapper/320:25:123
13159950,1cyclictest0-21swapper/319:40:113
13159950,0cyclictest0-21swapper/319:20:523
13079955,0cyclictest61650irq/122-eno119:15:162
13079954,1cyclictest61650irq/122-eno120:45:212
13079953,1cyclictest20917-21sensors20:55:192
13079950,4cyclictest0-21swapper/221:00:162
13079950,4cyclictest0-21swapper/220:15:122
13079950,1cyclictest10724-21pmu-power19:25:172
12999950,5cyclictest0-21swapper/123:56:061
12999950,5cyclictest0-21swapper/120:51:381
12999950,5cyclictest0-21swapper/120:34:341
12999950,5cyclictest0-21swapper/119:38:351
12999950,5cyclictest0-21swapper/119:27:231
12999950,4cyclictest0-21swapper/122:55:231
12999950,4cyclictest0-21swapper/122:30:161
12999950,4cyclictest0-21swapper/119:40:121
12999950,3cyclictest0-21swapper/123:44:501
12999950,3cyclictest0-21swapper/122:06:081
12999950,3cyclictest0-21swapper/120:40:191
12999950,3cyclictest0-21swapper/120:40:191
12999950,2cyclictest0-21swapper/123:18:441
12999950,2cyclictest0-21swapper/123:10:011
12999950,2cyclictest0-21swapper/121:25:271
12999950,2cyclictest0-21swapper/100:26:371
12999950,2cyclictest0-21swapper/100:22:291
12999950,2cyclictest0-21swapper/100:10:201
12999950,1cyclictest0-21swapper/119:59:141
12999950,1cyclictest0-21swapper/119:15:121
12999950,1cyclictest0-21swapper/100:34:181
12999950,0cyclictest0-21swapper/121:58:431
12999950,0cyclictest0-21swapper/121:17:551
12869953,1cyclictest7981-21cut20:30:130
12869953,1cyclictest615-21/usr/sbin/munin20:15:100
12869953,1cyclictest29575-21grep20:05:180
12869952,2cyclictest16461-21grep20:45:210
13159940,2cyclictest240-21systemd-journal19:56:473
12999943,1cyclictest213142sleep120:56:031
12999942,1cyclictest133992sleep119:30:211
12999941,2cyclictest0-21swapper/122:50:121
12999941,1cyclictest0-21swapper/119:20:111
12999940,4cyclictest0-21swapper/123:00:061
12999940,4cyclictest0-21swapper/119:50:181
12999940,4cyclictest0-21swapper/119:10:201
12999940,2cyclictest0-21swapper/123:25:161
12999940,2cyclictest0-21swapper/122:20:181
12999940,2cyclictest0-21swapper/122:20:181
12999940,2cyclictest0-21swapper/100:35:011
12999940,1cyclictest0-21swapper/123:05:171
12999940,1cyclictest0-21swapper/121:05:161
12999940,1cyclictest0-21swapper/100:16:011
12999940,0cyclictest0-21swapper/121:00:201
12999940,0cyclictest0-21swapper/120:18:541
12869941,1cyclictest240-21systemd-journal20:35:030
12999931,1cyclictest0-21swapper/120:45:121
12999931,1cyclictest0-21swapper/120:35:101
12999931,1cyclictest0-21swapper/120:25:111
12999931,1cyclictest0-21swapper/120:10:131
12999931,1cyclictest0-21swapper/120:05:111
12999930,0cyclictest0-21swapper/120:20:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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