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2026-04-16 - 10:06
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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 Apr 16, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219982206150,22sleep10-21swapper/119:08:421
220572202162,26sleep30-21swapper/319:09:283
217782202164,24sleep20-21swapper/219:05:492
218332199161,24sleep00-21swapper/019:06:320
147332760,0sleep10-21swapper/123:55:171
253132700,0sleep00-21swapper/022:02:090
204222620,0sleep00-21swapper/022:39:140
64722600,0sleep06461-21gpgv20:50:000
254752160,0sleep20-21swapper/222:02:352
2223999130,12cyclictest0-21swapper/119:10:111
22215991312,1cyclictest0-21swapper/019:30:110
22215991311,1cyclictest9-21ksoftirqd/000:40:000
22244991110,1cyclictest27619-21sh22:48:062
2221599113,4cyclictest15827-21diskmemload22:10:000
2225199102,5cyclictest0-21swapper/322:19:513
22215991010,0cyclictest0-21swapper/000:28:480
2221599100,7cyclictest240-21systemd-journal22:20:000
24307290,0sleep315827-21diskmemload00:08:253
222449990,2cyclictest0-21swapper/220:25:112
222399990,4cyclictest143632sleep100:37:391
222159998,1cyclictest9-21ksoftirqd/023:05:000
222159998,1cyclictest9-21ksoftirqd/020:55:000
222159997,1cyclictest9-21ksoftirqd/021:03:560
222159997,1cyclictest9-21ksoftirqd/020:45:000
222159997,1cyclictest9-21ksoftirqd/000:20:010
222159993,5cyclictest28381-21cut22:50:000
222159991,4cyclictest18704-21/usr/sbin/munin23:20:000
222519986,1cyclictest35-21ksoftirqd/322:15:013
222519980,2cyclictest16110-21irqstats23:15:153
222449987,1cyclictest399-21aten_r1power_en00:20:122
222449986,2cyclictest61650irq/122-eno100:13:182
222449986,1cyclictest61650irq/122-eno123:20:012
222449986,1cyclictest61650irq/122-eno123:16:422
222449986,1cyclictest61650irq/122-eno123:10:192
222449986,1cyclictest61650irq/122-eno123:09:442
222449986,1cyclictest61650irq/122-eno121:36:112
222449986,1cyclictest61650irq/122-eno100:35:132
222449986,1cyclictest14642-21sendmail-msp20:00:002
222449984,3cyclictest24379-21expr21:20:132
222399982,3cyclictest0-21swapper/122:00:331
222399980,5cyclictest0-21swapper/100:01:301
222399980,1cyclictest0-21swapper/122:10:131
222159986,1cyclictest9-21ksoftirqd/023:40:120
222159986,1cyclictest9-21ksoftirqd/023:30:000
222159986,1cyclictest9-21ksoftirqd/020:35:110
222159986,1cyclictest7713-21apt-get21:40:100
222159986,1cyclictest18305-21ssh21:53:450
222159985,2cyclictest6699-21fschecks_time23:45:130
222159982,1cyclictest10135-21/usr/sbin/munin19:50:120
222159981,1cyclictest1621-21ssh23:39:190
222519976,1cyclictest35-21ksoftirqd/319:25:003
222519975,1cyclictest35-21ksoftirqd/321:19:593
222519974,2cyclictest15827-21diskmemload21:21:003
222519973,2cyclictest32181-21mailstats23:35:173
222519972,2cyclictest17203-21apt-get22:35:113
222519971,5cyclictest26999-21apt-get23:30:113
222519970,6cyclictest22085-21ssh23:23:223
222519970,6cyclictest0-21swapper/322:53:593
222519970,5cyclictest13715-21apt-get21:05:123
222519970,1cyclictest0-21swapper/320:05:113
222449976,1cyclictest61650irq/122-eno123:47:072
222449976,1cyclictest61650irq/122-eno123:41:062
222449976,1cyclictest61650irq/122-eno123:30:112
222449976,1cyclictest61650irq/122-eno122:29:232
222449976,1cyclictest61650irq/122-eno122:09:262
222449976,1cyclictest61650irq/122-eno121:50:152
222449976,1cyclictest61650irq/122-eno121:19:522
222449976,1cyclictest61650irq/122-eno120:45:172
222449976,1cyclictest61650irq/122-eno100:15:252
222449976,1cyclictest28-21ksoftirqd/221:10:102
222449975,1cyclictest61650irq/122-eno123:36:322
222449975,1cyclictest61650irq/122-eno122:30:122
222449975,1cyclictest61650irq/122-eno122:20:102
222449975,1cyclictest61650irq/122-eno121:30:112
222449975,1cyclictest61650irq/122-eno121:25:152
222449975,1cyclictest61650irq/122-eno120:20:002
222449975,1cyclictest61650irq/122-eno100:05:132
222449975,1cyclictest15710-21perl20:00:132
222449974,1cyclictest61650irq/122-eno100:29:562
222449971,4cyclictest1715-21apt-get20:40:102
222449970,2cyclictest0-21swapper/221:45:102
222399971,4cyclictest0-21swapper/121:25:001
222399971,3cyclictest0-21swapper/121:50:151
222399970,6cyclictest0-21swapper/121:40:121
222399970,6cyclictest0-21swapper/100:25:151
222399970,4cyclictest0-21swapper/120:03:391
222399970,1cyclictest0-21swapper/122:59:061
222159977,0cyclictest9-21ksoftirqd/022:15:170
222159976,1cyclictest9-21ksoftirqd/023:09:100
222159976,1cyclictest25879-1kworker/u9:021:26:160
222159975,1cyclictest9-21ksoftirqd/023:20:010
222159975,1cyclictest9-21ksoftirqd/022:50:120
222159975,1cyclictest7887-1kworker/u9:223:55:160
222159975,1cyclictest32356-21ssh22:55:020
222159972,1cyclictest13947-21taskset22:30:140
222159971,3cyclictest24747-21perf19:15:010
222159970,6cyclictest8282-21cstates00:30:150
222159970,6cyclictest693-21runrttasks00:06:130
222159970,6cyclictest19456-21ssh00:01:090
222159970,6cyclictest17935-21ssh21:10:400
222159970,6cyclictest0-21swapper/023:10:130
222159970,6cyclictest0-21swapper/022:25:290
222159970,6cyclictest0-21swapper/021:21:060
222159970,6cyclictest0-21swapper/019:58:210
222159970,1cyclictest4570-21fschecks_time21:35:130
222159970,1cyclictest32290-21ssh22:10:310
222159970,1cyclictest294-21systemd-udevd19:49:080
222159970,1cyclictest23311-21ssh22:41:410
222159970,1cyclictest2192-21ssh00:20:230
222159970,1cyclictest0-21swapper/023:50:130
222159970,1cyclictest0-21swapper/021:15:150
20990276,0sleep30-21swapper/322:40:063
18355270,1sleep121-21ksoftirqd/123:19:081
16538276,0sleep335-21ksoftirqd/323:58:363
222519965,1cyclictest9549-21ssh23:05:453
222519965,1cyclictest8048-21ssh23:46:053
222519965,1cyclictest7951-21ssh22:21:133
222519965,1cyclictest6891-21ssh23:03:513
222519965,1cyclictest3777-21ssh00:24:463
222519965,1cyclictest3613-21ssh23:40:183
222519965,1cyclictest35-21ksoftirqd/321:40:343
222519965,1cyclictest3216-21ssh21:34:013
222519965,1cyclictest31568-21ssh21:29:153
222519965,1cyclictest29005-21ssh22:06:533
222519965,1cyclictest27998-21ssh22:49:083
222519965,1cyclictest25530-21ssh23:26:483
222519965,1cyclictest19354-21ssh00:00:533
222519965,1cyclictest18346-21ssh21:11:453
222519965,1cyclictest14707-21ssh00:38:353
222519965,1cyclictest14227-21ssh23:13:113
222519965,1cyclictest13367-21ssh22:30:033
222519965,1cyclictest12346-21ssh22:27:503
222519965,1cyclictest10772-21ssh00:33:133
222519962,3cyclictest341rcuc/319:40:003
222519962,3cyclictest23114-21cat20:15:173
222519960,5cyclictest31548-21perf20:35:003
222519960,5cyclictest15827-21diskmemload00:25:113
222519960,4cyclictest15827-21diskmemload21:45:143
222519960,2cyclictest0-21swapper/322:57:363
222449966,0cyclictest61650irq/122-eno123:50:082
222449966,0cyclictest61650irq/122-eno123:25:182
222449966,0cyclictest61650irq/122-eno123:00:152
222449966,0cyclictest61650irq/122-eno122:50:062
222449966,0cyclictest61650irq/122-eno122:40:232
222449966,0cyclictest61650irq/122-eno122:36:292
222449966,0cyclictest61650irq/122-eno122:15:162
222449966,0cyclictest61650irq/122-eno122:11:352
222449966,0cyclictest61650irq/122-eno120:56:172
222449966,0cyclictest61650irq/122-eno120:30:362
222449966,0cyclictest61650irq/122-eno120:10:332
222449966,0cyclictest61650irq/122-eno120:05:142
222449966,0cyclictest61650irq/122-eno119:45:132
222449966,0cyclictest61650irq/122-eno119:40:042
222449966,0cyclictest61650irq/122-eno119:35:112
222449966,0cyclictest61650irq/122-eno119:20:202
222449966,0cyclictest61650irq/122-eno100:30:132
222449966,0cyclictest61650irq/122-eno100:00:452
222449965,1cyclictest31391-21kworker/u8:022:55:142
222449965,1cyclictest16078-21ssh23:57:202
222449965,0cyclictest61650irq/122-eno121:40:122
222449965,0cyclictest61650irq/122-eno120:50:172
222449964,1cyclictest61650irq/122-eno120:35:122
222449964,1cyclictest32053-21unixbench_singl19:25:212
222449963,2cyclictest24744-21munin-node19:15:012
222449961,3cyclictest20287-21pmu-power21:55:182
222449960,3cyclictest10138-21apt-get19:50:102
222399964,1cyclictest31350-21chrt20:32:471
222399964,1cyclictest0-21swapper/123:12:401
222399962,2cyclictest0-21swapper/123:20:141
222399961,4cyclictest0-21swapper/100:17:031
222399961,3cyclictest0-21swapper/122:22:521
222399961,3cyclictest0-21swapper/122:05:201
222399960,6cyclictest0-21swapper/122:35:191
222399960,6cyclictest0-21swapper/121:45:141
222399960,3cyclictest0-21swapper/119:20:011
222399960,3cyclictest0-21swapper/100:20:051
222399960,2cyclictest0-21swapper/123:06:081
222399960,2cyclictest0-21swapper/121:35:001
222159965,1cyclictest9-21ksoftirqd/021:10:000
222159965,1cyclictest30079-1kworker/u9:121:30:130
222159964,1cyclictest9881-21cat20:55:160
222159964,1cyclictest9-21ksoftirqd/020:20:050
222159964,1cyclictest25145-21ssh00:10:040
222159962,2cyclictest548-21systemd-logind21:45:190
222159962,2cyclictest240-21systemd-journal20:00:010
222159962,1cyclictest22121-21/usr/sbin/munin20:15:130
222159960,6cyclictest0-21swapper/019:20:300
222159960,6cyclictest0-21swapper/019:15:190
222159960,1cyclictest28920-21ssh23:30:430
222159960,0cyclictest0-21swapper/021:55:130
222159960,0cyclictest0-21swapper/020:05:140
222159960,0cyclictest0-21swapper/019:25:180
222519954,1cyclictest9185-21sensors19:45:193
222519954,1cyclictest31316-21ssh00:16:483
222519954,1cyclictest3122-21sensors20:40:183
222519954,1cyclictest27367-21ssh00:11:233
222519953,1cyclictest8986-21apt-get20:55:113
222519953,1cyclictest4827-21grep20:45:133
222519953,1cyclictest19054-21apt-get21:55:113
222519953,1cyclictest11042-21ssh23:50:183
222519952,2cyclictest22590-21apt-get19:10:113
222519951,3cyclictest1516-21pmu-power19:30:183
222519951,2cyclictest0-21swapper/320:10:113
222519950,5cyclictest0-21swapper/319:15:423
222519950,3cyclictest240-21systemd-journal20:54:553
222519950,3cyclictest0-21swapper/322:00:103
222519950,1cyclictest4919-21/usr/sbin/munin21:35:153
222519950,1cyclictest240-21systemd-journal19:29:553
222519950,1cyclictest10412-21cpuspeed_turbos19:50:113
222519950,1cyclictest0-21swapper/321:50:093
222519950,0cyclictest0-21swapper/321:00:123
222519950,0cyclictest0-21swapper/320:25:243
222519950,0cyclictest0-21swapper/319:55:223
222449955,0cyclictest61650irq/122-eno121:00:082
222449953,1cyclictest28-21ksoftirqd/219:30:142
222449953,1cyclictest25075-21cut20:20:142
222449953,1cyclictest14725-21cat21:05:172
222449950,1cyclictest0-21swapper/219:15:012
222399952,2cyclictest9740-21taskset23:50:041
222399951,4cyclictest0-21swapper/119:39:541
222399951,4cyclictest0-21swapper/119:28:421
222399951,3cyclictest0-21swapper/120:45:111
222399951,2cyclictest0-21swapper/120:55:161
222399950,5cyclictest0-21swapper/122:34:551
222399950,4cyclictest0-21swapper/122:29:371
222399950,4cyclictest0-21swapper/121:32:141
222399950,4cyclictest0-21swapper/121:05:161
222399950,3cyclictest0-21swapper/123:43:051
222399950,3cyclictest0-21swapper/122:19:321
222399950,3cyclictest0-21swapper/121:25:171
222399950,2cyclictest0-21swapper/123:47:511
222399950,2cyclictest0-21swapper/123:00:121
222399950,2cyclictest0-21swapper/121:17:181
222399950,1cyclictest0-21swapper/123:32:331
222399950,1cyclictest0-21swapper/122:40:021
222399950,1cyclictest0-21swapper/120:05:111
222399950,1cyclictest0-21swapper/119:20:101
222399950,1cyclictest0-21swapper/100:30:131
222399950,0cyclictest0-21swapper/123:25:221
222399950,0cyclictest0-21swapper/100:05:581
222159954,0cyclictest9-21ksoftirqd/019:35:000
222159953,1cyclictest9-21ksoftirqd/020:10:130
222159950,5cyclictest0-21swapper/020:30:150
222159950,5cyclictest0-21swapper/020:25:030
222159950,4cyclictest0-21swapper/019:40:110
222519943,1cyclictest25449-21grep20:20:153
222519940,2cyclictest0-21swapper/320:35:163
222519940,2cyclictest0-21swapper/320:00:173
222519940,1cyclictest5738-21diskstats19:40:133
222399944,0cyclictest0-21swapper/121:00:391
222399943,1cyclictest9866-21chrt19:49:421
222399943,1cyclictest52112sleep119:40:011
222399942,1cyclictest138962chrt19:55:191
222399941,2cyclictest0-21swapper/122:45:151
222399940,4cyclictest0-21swapper/122:50:121
222399940,4cyclictest0-21swapper/121:55:161
222399940,3cyclictest0-21swapper/121:10:131
222399940,3cyclictest0-21swapper/100:10:121
222399940,2cyclictest0-21swapper/123:35:101
222399940,2cyclictest0-21swapper/120:10:111
222399940,1cyclictest0-21swapper/120:50:131
222399940,1cyclictest0-21swapper/120:40:141
222399940,0cyclictest0-21swapper/120:15:191
222399931,1cyclictest0-21swapper/120:35:111
222399931,1cyclictest0-21swapper/120:28:201
222399931,1cyclictest0-21swapper/120:20:171
222399931,1cyclictest0-21swapper/119:30:201
222399930,1cyclictest0-21swapper/119:50:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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