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2026-04-01 - 08:11
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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 Wed Apr 01, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72422221154,21sleep00-21swapper/019:06:360
53842209149,21sleep30-21swapper/319:05:023
72332200161,25sleep10-21swapper/119:06:291
72122199160,25sleep20-21swapper/219:06:142
138022620,0sleep20-21swapper/222:50:142
760499149,1cyclictest28-21ksoftirqd/222:15:112
760499120,0cyclictest0-21swapper/222:06:312
760499119,1cyclictest28-21ksoftirqd/221:35:172
7604991111,0cyclictest0-21swapper/221:27:342
7604991110,1cyclictest28-21ksoftirqd/222:55:162
7604991110,1cyclictest28-21ksoftirqd/222:40:102
759599112,4cyclictest7442-21perf23:25:000
760499108,1cyclictest28958-21gltestperf21:45:152
760499108,1cyclictest28-21ksoftirqd/200:05:002
7604991010,0cyclictest0-21swapper/200:13:392
760499100,9cyclictest0-21swapper/221:44:112
760499100,10cyclictest0-21swapper/223:35:422
759799102,8cyclictest22776-21taskset00:28:181
759599108,1cyclictest9-21ksoftirqd/020:25:000
759599103,6cyclictest24092-21perf21:40:000
759599100,7cyclictest24994-21ssh22:21:440
76159997,1cyclictest13020-21latency_hist22:50:013
76159990,8cyclictest0-21swapper/322:40:103
76159990,5cyclictest0-21swapper/323:20:413
76049998,0cyclictest28-21ksoftirqd/200:32:292
76049997,1cyclictest28-21ksoftirqd/222:20:132
76049990,7cyclictest0-21swapper/221:56:352
76049990,0cyclictest0-21swapper/223:40:512
75959993,5cyclictest24812-21sed19:45:000
75959990,6cyclictest32434-21apt-get23:15:100
76159986,1cyclictest35-21ksoftirqd/320:30:103
76159986,1cyclictest35-21ksoftirqd/300:00:003
76159984,1cyclictest240-21systemd-journal23:15:003
76049987,1cyclictest28-21ksoftirqd/223:00:162
76049986,1cyclictest61650irq/122-eno123:15:152
76049986,1cyclictest28-21ksoftirqd/223:30:002
76049986,0cyclictest61650irq/122-eno100:39:022
76049981,6cyclictest32644-21diskmemload23:20:192
76049980,8cyclictest0-21swapper/221:15:502
76049980,7cyclictest61650irq/122-eno122:45:202
75979982,2cyclictest30057-21taskset21:45:331
75979980,4cyclictest0-21swapper/123:00:131
75959988,0cyclictest0-21swapper/000:08:210
75959987,1cyclictest9-21ksoftirqd/021:10:000
75959987,1cyclictest9-21ksoftirqd/021:05:000
75959986,1cyclictest9-21ksoftirqd/023:36:580
75959986,1cyclictest32176-21aten_r1power_po20:00:120
75959984,2cyclictest3024-21ssh21:54:440
75959984,2cyclictest240-21systemd-journal22:05:000
75959983,1cyclictest28599-21/usr/sbin/munin23:10:110
75959981,6cyclictest12636-21ssh22:05:210
75959981,6cyclictest12260-21sh00:15:120
75959980,1cyclictest15819-21ssh21:29:170
75959980,1cyclictest10553-21ssh23:28:140
76159976,1cyclictest32644-21diskmemload00:22:133
76159975,1cyclictest2655-21cat22:35:153
76159975,1cyclictest11667-21ssh21:24:003
76159973,3cyclictest2014-21apt-get20:05:123
76159973,2cyclictest240-21systemd-journal19:15:003
76159972,2cyclictest240-21systemd-journal19:52:083
76159970,4cyclictest15339-21gpgv23:35:003
76159970,4cyclictest0-21swapper/323:50:503
76159970,4cyclictest0-21swapper/323:00:123
76159970,3cyclictest0-21swapper/300:35:203
76159970,2cyclictest0-21swapper/321:42:153
76049976,1cyclictest61650irq/122-eno122:10:142
76049976,1cyclictest61650irq/122-eno121:30:122
76049976,1cyclictest61650irq/122-eno119:55:132
76049976,1cyclictest61650irq/122-eno100:26:162
76049976,1cyclictest28-21ksoftirqd/223:48:442
76049976,1cyclictest28-21ksoftirqd/221:22:202
76049976,1cyclictest28-21ksoftirqd/219:50:002
76049976,1cyclictest28-21ksoftirqd/200:20:192
76049975,1cyclictest6783-21sshd00:06:282
76049975,1cyclictest61650irq/122-eno123:55:152
76049975,1cyclictest61650irq/122-eno122:25:222
76049975,1cyclictest28-21ksoftirqd/222:39:512
76049975,1cyclictest28-21ksoftirqd/220:30:142
76049974,1cyclictest28-21ksoftirqd/220:15:002
76049973,2cyclictest548-21systemd-logind23:05:192
76049973,2cyclictest548-21systemd-logind19:15:002
76049971,2cyclictest0-21swapper/223:50:102
75979974,2cyclictest22622sleep123:16:341
75979971,3cyclictest0-21swapper/120:45:171
75979970,4cyclictest0-21swapper/122:02:591
75979970,3cyclictest0-21swapper/122:09:551
75979970,2cyclictest0-21swapper/121:24:391
75979970,0cyclictest0-21swapper/121:44:141
75959977,0cyclictest9-21ksoftirqd/020:00:000
75959976,1cyclictest9427-21ssh22:45:060
75959976,1cyclictest9-21ksoftirqd/020:20:000
75959976,1cyclictest3048-21ssh21:12:390
75959975,1cyclictest9-21ksoftirqd/021:30:010
75959975,1cyclictest9-21ksoftirqd/020:13:130
75959975,1cyclictest9-21ksoftirqd/019:40:000
75959975,1cyclictest7076-21ssh21:17:320
75959975,1cyclictest32644-21diskmemload22:50:460
75959975,1cyclictest25600-21hddtemp_smartct23:05:150
75959975,1cyclictest18230-21ssh00:21:210
75959972,2cyclictest32644-21diskmemload00:14:220
75959971,5cyclictest27380-21perf00:35:010
75959971,1cyclictest11257-21ssh21:23:020
75959970,6cyclictest5607-21apt-get22:40:100
75959970,6cyclictest3950-21df_inode21:55:140
75959970,6cyclictest27461-21ssh21:43:530
75959970,6cyclictest27343-21ssh22:25:160
75959970,6cyclictest26080-21strings19:45:150
75959970,6cyclictest19421-21ssh23:40:130
75959970,6cyclictest0-21swapper/020:48:320
75959970,6cyclictest0-21swapper/020:25:140
75959970,6cyclictest0-21swapper/019:30:140
75959970,1cyclictest32611-21ssh22:31:380
75959970,1cyclictest29818-21ssh00:36:280
75959970,1cyclictest23323-21ssh00:29:380
75959970,1cyclictest20226-21ssh22:58:510
75959970,1cyclictest16335-21gzip22:10:190
75959970,1cyclictest0-21swapper/023:03:590
75959970,1cyclictest0-21swapper/022:35:240
75959970,1cyclictest0-21swapper/020:45:000
30161270,0sleep10-21swapper/123:53:501
22994270,0sleep10-21swapper/121:37:181
76159966,0cyclictest0-21swapper/322:50:383
76159965,1cyclictest962-21latency23:15:153
76159965,1cyclictest6837-21ssh21:17:003
76159965,1cyclictest6606-21ssh00:06:003
76159965,1cyclictest4894-21ssh00:01:553
76159965,1cyclictest35-21ksoftirqd/319:31:193
76159965,1cyclictest30756-21ssh21:47:263
76159965,1cyclictest25906-21ssh00:31:183
76159965,1cyclictest2506-21ssh21:53:213
76159965,1cyclictest23200-21ssh23:45:043
76159965,1cyclictest22840-21ssh21:36:513
76159965,1cyclictest21957-21ssh23:42:213
76159965,1cyclictest16413-21ssh23:35:143
76159965,1cyclictest15186-21sshd19:23:203
76159965,1cyclictest14587-21ssh00:16:533
76159965,1cyclictest14055-21sshd22:08:213
76159965,1cyclictest12890-21sshd19:19:203
76159965,0cyclictest32644-21diskmemload00:10:253
76159964,1cyclictest35-21ksoftirqd/322:25:143
76159964,1cyclictest35-21ksoftirqd/320:05:003
76159964,1cyclictest20240-21sensors22:15:173
76159964,1cyclictest19045-21ssh22:55:403
76159963,2cyclictest32644-21diskmemload21:55:043
76159963,2cyclictest0-21swapper/323:05:153
76159963,1cyclictest240-21systemd-journal19:59:083
76159963,1cyclictest0-21swapper/300:25:163
76159962,1cyclictest9849-21runrttasks23:26:213
76159961,3cyclictest0-21swapper/322:20:173
76159960,5cyclictest0-21swapper/322:33:003
76159960,4cyclictest0-21swapper/322:04:293
76159960,3cyclictest0-21swapper/321:32:233
76159960,3cyclictest0-21swapper/321:26:253
76159960,3cyclictest0-21swapper/321:14:283
76049966,0cyclictest61650irq/122-eno123:30:162
76049966,0cyclictest61650irq/122-eno122:00:072
76049966,0cyclictest61650irq/122-eno121:10:162
76049966,0cyclictest61650irq/122-eno121:02:232
76049966,0cyclictest61650irq/122-eno120:55:102
76049966,0cyclictest61650irq/122-eno120:51:152
76049966,0cyclictest61650irq/122-eno120:45:122
76049966,0cyclictest61650irq/122-eno120:14:582
76049966,0cyclictest61650irq/122-eno119:54:022
76049966,0cyclictest61650irq/122-eno119:36:202
76049965,1cyclictest61650irq/122-eno122:31:162
76049965,1cyclictest28-21ksoftirqd/220:05:142
76049965,1cyclictest28-21ksoftirqd/219:20:162
76049965,1cyclictest28-21ksoftirqd/200:15:112
76049964,1cyclictest28-21ksoftirqd/220:00:122
76049961,2cyclictest0-21swapper/223:10:122
76049960,4cyclictest15565-21apt-get19:25:112
76049960,4cyclictest0-21swapper/220:35:102
76049960,2cyclictest0-21swapper/221:50:122
75979964,1cyclictest0-21swapper/120:50:111
75979961,3cyclictest0-21swapper/122:54:251
75979961,3cyclictest0-21swapper/122:12:311
75979961,3cyclictest0-21swapper/100:34:051
75979960,6cyclictest0-21swapper/123:26:391
75979960,6cyclictest0-21swapper/121:57:391
75979960,6cyclictest0-21swapper/120:28:051
75979960,4cyclictest0-21swapper/123:44:131
75979960,4cyclictest0-21swapper/100:03:161
75959965,1cyclictest0-21swapper/020:05:150
75959964,1cyclictest9-21ksoftirqd/019:10:140
75959963,1cyclictest240-21systemd-journal20:55:010
75959962,1cyclictest240-21systemd-journal20:56:540
75959961,5cyclictest23759-21ssh23:45:130
75959961,2cyclictest0-21swapper/019:20:130
75959960,6cyclictest0-21swapper/022:15:090
75959960,5cyclictest28155-21ssh21:45:080
75959960,5cyclictest12873-21rt-features23:30:180
75959960,5cyclictest1250-21ssh23:57:280
75959960,1cyclictest0-21swapper/019:50:110
75959960,0cyclictest0-21swapper/023:50:380
75959960,0cyclictest0-21swapper/019:15:330
75959960,0cyclictest0-21swapper/000:00:110
76159955,0cyclictest0-21swapper/320:11:133
76159954,1cyclictest35-21ksoftirqd/320:53:303
76159954,1cyclictest31093-21cut21:05:123
76159953,1cyclictest693-21runrttasks20:39:463
76159953,1cyclictest29857-21/usr/sbin/munin21:00:233
76159953,1cyclictest19110-21grep20:40:133
76159952,2cyclictest12591-21/usr/sbin/munin20:25:193
76159950,2cyclictest0-21swapper/322:10:333
76159950,1cyclictest25797-21apt-get20:55:123
76049955,0cyclictest61650irq/122-eno119:40:122
76049955,0cyclictest61650irq/122-eno119:15:142
76049954,1cyclictest61650irq/122-eno120:25:132
76049954,1cyclictest28-21ksoftirqd/220:20:152
76049950,1cyclictest30789-21cpuspeed_turbos21:05:112
75979955,0cyclictest0-21swapper/122:20:021
75979955,0cyclictest0-21swapper/100:17:181
75979952,1cyclictest0-21swapper/122:35:101
75979951,3cyclictest0-21swapper/123:30:131
75979951,3cyclictest0-21swapper/119:50:151
75979951,3cyclictest0-21swapper/119:25:121
75979950,5cyclictest0-21swapper/123:20:161
75979950,5cyclictest0-21swapper/120:16:541
75979950,5cyclictest0-21swapper/100:23:141
75979950,5cyclictest0-21swapper/100:07:001
75979950,4cyclictest203-21jbd2/sda2-820:05:261
75979950,4cyclictest0-21swapper/121:10:001
75979950,3cyclictest0-21swapper/121:53:561
75979950,3cyclictest0-21swapper/120:35:101
75979950,3cyclictest0-21swapper/120:02:301
75979950,3cyclictest0-21swapper/119:40:001
75979950,3cyclictest0-21swapper/100:37:081
75979950,2cyclictest0-21swapper/123:35:451
75979950,2cyclictest0-21swapper/123:10:181
75979950,2cyclictest0-21swapper/122:44:541
75979950,2cyclictest0-21swapper/122:26:181
75979950,2cyclictest0-21swapper/122:16:081
75979950,2cyclictest0-21swapper/121:31:051
75979950,2cyclictest0-21swapper/121:15:121
75979950,2cyclictest0-21swapper/121:11:351
75979950,2cyclictest0-21swapper/120:30:161
75979950,2cyclictest0-21swapper/100:10:141
75979950,1cyclictest0-21swapper/123:56:351
75979950,1cyclictest0-21swapper/123:45:111
75979950,1cyclictest0-21swapper/120:10:161
75959953,1cyclictest17488-21/usr/sbin/munin20:35:180
75959953,1cyclictest15562-21/usr/sbin/munin19:25:110
75959953,1cyclictest14413-21tune2fs20:30:140
76159943,1cyclictest25725-21expr19:45:143
76159942,1cyclictest9267-21wc20:20:133
76159942,1cyclictest21090-21apt-get20:45:113
76159942,1cyclictest15564-21apt19:25:113
76159940,1cyclictest240-21systemd-journal19:35:003
76159940,1cyclictest22644-21apt-get19:40:113
76159940,1cyclictest0-21swapper/320:15:113
76049944,0cyclictest61650irq/122-eno119:30:122
76049943,1cyclictest0-21swapper/220:40:122
75979942,1cyclictest268922sleep119:47:191
75979941,3cyclictest0-21swapper/122:30:181
75979941,1cyclictest0-21swapper/121:00:141
75979941,1cyclictest0-21swapper/119:40:141
75979940,4cyclictest0-21swapper/119:20:551
75979940,3cyclictest0-21swapper/121:25:151
75979940,2cyclictest0-21swapper/122:55:091
75979940,2cyclictest0-21swapper/120:55:131
75979940,2cyclictest0-21swapper/119:30:111
75979940,1cyclictest0-21swapper/123:08:211
75979940,1cyclictest0-21swapper/122:45:411
75979940,1cyclictest0-21swapper/120:25:001
75979940,0cyclictest0-21swapper/119:55:211
75979940,0cyclictest0-21swapper/119:15:151
75979930,3cyclictest0-21swapper/120:40:181
75979930,2cyclictest0-21swapper/119:10:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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