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2026-06-28 - 12:34
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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 Sun Jun 28, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77032213139,58sleep00-21swapper/019:06:560
77042211157,24sleep10-21swapper/119:06:581
77362207155,26sleep30-21swapper/319:07:233
77872198158,26sleep20-21swapper/219:08:032
230182630,1sleep021983-21/usr/sbin/munin20:45:170
118102160,1sleep01113-21diskmemload23:35:190
226562150,0sleep10-21swapper/123:50:171
803199130,0cyclictest0-21swapper/119:47:501
803199130,0cyclictest0-21swapper/100:38:551
8038991210,1cyclictest28-21ksoftirqd/220:40:002
803199120,0cyclictest0-21swapper/119:36:391
803199115,5cyclictest0-21swapper/121:50:431
8031991111,0cyclictest21-21ksoftirqd/122:10:541
803199110,6cyclictest21-21ksoftirqd/121:34:541
803199110,3cyclictest21-21ksoftirqd/120:15:181
802599119,1cyclictest9-21ksoftirqd/022:45:010
802599119,1cyclictest9-21ksoftirqd/021:20:010
167842110,0sleep20-21swapper/223:42:342
8038991010,0cyclictest61650irq/122-eno100:39:012
803899100,1cyclictest0-21swapper/219:30:122
803199109,1cyclictest21-21ksoftirqd/100:25:201
803199106,1cyclictest111rcu_preempt19:25:011
803199100,9cyclictest21-21ksoftirqd/120:30:131
803199100,9cyclictest21-21ksoftirqd/119:10:191
802599109,1cyclictest9-21ksoftirqd/023:29:590
802599109,1cyclictest9-21ksoftirqd/000:10:160
802599109,1cyclictest9-21ksoftirqd/000:05:000
802599108,1cyclictest9-21ksoftirqd/023:25:000
802599108,1cyclictest9-21ksoftirqd/019:15:010
802599100,5cyclictest28057-21perf23:15:010
80469990,7cyclictest10386-21munin-node22:07:483
80389999,0cyclictest0-21swapper/222:54:022
80389990,9cyclictest0-21swapper/222:11:172
80319999,0cyclictest21-21ksoftirqd/123:45:121
80319999,0cyclictest21-21ksoftirqd/123:40:361
80319999,0cyclictest21-21ksoftirqd/123:15:181
80319999,0cyclictest21-21ksoftirqd/100:30:301
80319998,1cyclictest21-21ksoftirqd/121:08:111
80319998,1cyclictest21-21ksoftirqd/100:14:121
80319998,0cyclictest21-21ksoftirqd/121:37:031
80319997,2cyclictest0-21swapper/119:20:191
80319997,1cyclictest111rcu_preempt00:20:221
80319996,2cyclictest0-21swapper/120:25:131
80319992,5cyclictest111rcu_preempt22:20:061
80319992,1cyclictest111rcu_preempt22:59:431
80319991,8cyclictest111rcu_preempt23:38:331
80319991,8cyclictest111rcu_preempt22:30:131
80319991,8cyclictest111rcu_preempt22:25:411
80319991,8cyclictest111rcu_preempt21:44:371
80319991,0cyclictest21-21ksoftirqd/100:17:031
80319990,8cyclictest21-21ksoftirqd/121:45:101
80319990,1cyclictest21-21ksoftirqd/123:25:121
80259997,1cyclictest9-21ksoftirqd/022:25:000
80259997,1cyclictest9-21ksoftirqd/019:30:000
80259993,5cyclictest23245-21munin-run19:40:000
80469984,2cyclictest240-21systemd-journal00:25:013
80469980,5cyclictest10386-21munin-node21:10:263
80389988,0cyclictest0-21swapper/221:58:042
80389986,1cyclictest61650irq/122-eno123:45:222
80389986,1cyclictest61650irq/122-eno100:15:152
80389986,1cyclictest61650irq/122-eno100:00:162
80389982,5cyclictest7800-21sh21:18:222
80319988,0cyclictest21-21ksoftirqd/123:55:151
80319988,0cyclictest21-21ksoftirqd/123:06:001
80319988,0cyclictest21-21ksoftirqd/122:45:071
80319988,0cyclictest21-21ksoftirqd/122:40:041
80319988,0cyclictest21-21ksoftirqd/122:35:001
80319988,0cyclictest21-21ksoftirqd/122:15:081
80319988,0cyclictest21-21ksoftirqd/122:05:351
80319988,0cyclictest21-21ksoftirqd/121:25:351
80319988,0cyclictest21-21ksoftirqd/121:15:101
80319988,0cyclictest21-21ksoftirqd/121:10:081
80319988,0cyclictest21-21ksoftirqd/120:35:211
80319988,0cyclictest21-21ksoftirqd/120:00:141
80319988,0cyclictest21-21ksoftirqd/119:55:181
80319988,0cyclictest21-21ksoftirqd/119:30:101
80319988,0cyclictest21-21ksoftirqd/119:18:241
80319988,0cyclictest21-21ksoftirqd/100:05:061
80319988,0cyclictest111rcu_preempt20:10:171
80319986,2cyclictest0-21swapper/123:00:041
80319986,2cyclictest0-21swapper/120:55:171
80319986,2cyclictest0-21swapper/119:50:131
80319981,0cyclictest111rcu_preempt00:00:131
80319980,8cyclictest211ksoftirqd/123:10:031
80319980,8cyclictest211ksoftirqd/120:50:221
80319980,8cyclictest211ksoftirqd/119:40:151
80319980,8cyclictest21-21ksoftirqd/123:30:091
80319980,8cyclictest21-21ksoftirqd/122:00:091
80319980,8cyclictest21-21ksoftirqd/121:55:251
80319980,8cyclictest21-21ksoftirqd/121:01:091
80319980,8cyclictest21-21ksoftirqd/120:05:381
80319980,8cyclictest0-21swapper/123:20:091
80319980,8cyclictest0-21swapper/122:50:091
80319980,8cyclictest0-21swapper/121:20:091
80319980,0cyclictest211ksoftirqd/120:45:131
80319980,0cyclictest21-21ksoftirqd/120:20:181
80319980,0cyclictest111rcu_preempt20:40:171
80259987,1cyclictest9-21ksoftirqd/020:43:380
80259986,1cyclictest27034-21cstates20:55:140
80259984,1cyclictest1113-21diskmemload23:05:060
80259983,3cyclictest23811-21/usr/sbin/munin21:40:210
80259983,1cyclictest1261-21memory00:05:170
80259981,6cyclictest20147-21ssh23:46:450
80259980,7cyclictest9537-21ssh22:49:100
80259980,7cyclictest23875-21ssh00:35:310
80259980,7cyclictest20989-21hddtemp_smartct21:35:150
80259980,7cyclictest1168-21ssh21:52:310
80259980,4cyclictest27995-21sed19:50:000
9379276,0sleep335-21ksoftirqd/300:15:393
80469976,1cyclictest5532-21unixbench-2d00:10:233
80469975,1cyclictest3776-21cat20:05:153
80469975,1cyclictest32384-21dump-pmu-power00:05:003
80469975,1cyclictest22851-21ssh22:21:233
80469975,1cyclictest12143-21ssh21:24:353
80469974,0cyclictest1113-21diskmemload22:48:453
80469973,2cyclictest240-21systemd-journal21:35:123
80469972,4cyclictest4902-1kworker/u9:021:40:033
80469972,3cyclictest24526-21latency_hist23:10:003
80469971,5cyclictest0-21swapper/321:30:103
80469970,4cyclictest16410-21apt-get19:25:123
80469970,1cyclictest0-21swapper/320:15:113
80389977,0cyclictest0-21swapper/222:03:362
80389977,0cyclictest0-21swapper/200:32:462
80389976,1cyclictest61650irq/122-eno123:59:412
80389976,1cyclictest61650irq/122-eno123:50:192
80389976,1cyclictest61650irq/122-eno123:39:442
80389976,1cyclictest61650irq/122-eno123:30:272
80389976,1cyclictest61650irq/122-eno123:20:212
80389976,1cyclictest61650irq/122-eno122:48:072
80389976,1cyclictest61650irq/122-eno122:43:552
80389976,1cyclictest61650irq/122-eno122:15:092
80389976,1cyclictest61650irq/122-eno121:30:092
80389976,1cyclictest61650irq/122-eno121:25:132
80389976,1cyclictest61650irq/122-eno120:00:092
80389976,1cyclictest61650irq/122-eno119:50:002
80389976,1cyclictest61650irq/122-eno100:26:092
80389976,1cyclictest28-21ksoftirqd/222:56:392
80389976,0cyclictest61650irq/122-eno122:20:202
80389975,1cyclictest61650irq/122-eno123:00:132
80389975,1cyclictest61650irq/122-eno121:00:012
80389975,1cyclictest61650irq/122-eno119:15:182
80389973,2cyclictest548-21systemd-logind21:45:182
80389973,1cyclictest240-21systemd-journal21:43:282
80389971,4cyclictest0-21swapper/219:25:132
80389970,7cyclictest0-21swapper/221:23:572
80389970,6cyclictest19630-21/usr/sbin/munin20:40:162
80389970,6cyclictest0-21swapper/223:25:152
80389970,1cyclictest8019-21cyclictest20:25:142
80259977,0cyclictest9-21ksoftirqd/021:50:000
80259975,1cyclictest9-21ksoftirqd/023:55:130
80259975,1cyclictest9-21ksoftirqd/020:51:230
80259975,1cyclictest14789-21ssh23:40:130
80259975,1cyclictest10795-21ssh22:50:150
80259973,2cyclictest548-21systemd-logind21:55:190
80259971,2cyclictest20894-21awk19:35:010
80259970,6cyclictest96082chrt20:15:540
80259970,6cyclictest3813-21ssh21:12:490
80259970,6cyclictest29410-21python22:30:170
80259970,6cyclictest24122-21ssh23:52:460
80259970,6cyclictest17773-21irqstats22:15:140
80259970,6cyclictest17357-21ssh00:27:450
80259970,6cyclictest13717-21ntpq20:25:170
80259970,6cyclictest12903-21cstates21:25:140
80259970,6cyclictest0-21swapper/022:11:300
80259970,6cyclictest0-21swapper/022:00:150
80259970,4cyclictest19903-21sed21:35:010
80259970,1cyclictest30801-21ssh23:17:300
80259970,1cyclictest25757-21mailstats22:25:210
80259970,1cyclictest11165-21ssh21:21:550
80259970,1cyclictest1113-21diskmemload22:35:170
80259970,1cyclictest0-21swapper/023:00:590
80259970,1cyclictest0-21swapper/022:07:050
80259970,1cyclictest0-21swapper/000:18:550
80469965,1cyclictest8306-21ssh22:02:033
80469965,1cyclictest7860-21ssh21:18:283
80469965,1cyclictest410-21ssh21:50:233
80469965,1cyclictest35-21ksoftirqd/320:00:003
80469965,1cyclictest3027-21ssh21:55:143
80469965,1cyclictest28440-21sshd20:55:233
80469965,1cyclictest27569-21ssh23:13:443
80469965,1cyclictest27236-21ssh23:56:123
80469965,1cyclictest24311-21ssh22:25:043
80469965,1cyclictest23322-21sshd23:50:233
80469965,1cyclictest20485-21ssh23:04:163
80469965,1cyclictest2034-21ssh00:05:243
80469965,1cyclictest20012-21ssh22:19:273
80469965,1cyclictest1815-21ssh22:37:553
80469965,1cyclictest15418-21ssh21:28:083
80469965,1cyclictest14932-21ntpq22:55:183
80469964,1cyclictest30306-21cron19:55:003
80469964,1cyclictest0-21swapper/319:30:103
80469962,2cyclictest1113-21diskmemload21:46:383
80469962,1cyclictest240-21systemd-journal22:54:553
80469961,4cyclictest1113-21diskmemload23:45:153
80469960,4cyclictest0-21swapper/319:35:193
80469960,1cyclictest240-21systemd-journal00:37:023
80469960,1cyclictest14272-21/usr/sbin/munin23:40:133
80469960,1cyclictest0-21swapper/323:16:003
80469960,0cyclictest0-21swapper/300:25:403
80389966,0cyclictest61650irq/122-eno123:10:132
80389966,0cyclictest61650irq/122-eno123:06:242
80389966,0cyclictest61650irq/122-eno122:35:302
80389966,0cyclictest61650irq/122-eno122:30:152
80389966,0cyclictest61650irq/122-eno122:05:092
80389966,0cyclictest61650irq/122-eno121:50:002
80389966,0cyclictest61650irq/122-eno121:35:122
80389966,0cyclictest61650irq/122-eno120:54:552
80389966,0cyclictest61650irq/122-eno120:23:082
80389966,0cyclictest61650irq/122-eno120:15:172
80389966,0cyclictest61650irq/122-eno120:11:152
80389966,0cyclictest61650irq/122-eno119:52:302
80389966,0cyclictest61650irq/122-eno119:41:012
80389966,0cyclictest61650irq/122-eno119:39:352
80389966,0cyclictest61650irq/122-eno119:21:312
80389966,0cyclictest61650irq/122-eno119:10:182
80389966,0cyclictest61650irq/122-eno100:10:162
80389966,0cyclictest61650irq/122-eno100:05:102
80389965,1cyclictest61650irq/122-eno123:15:102
80389965,1cyclictest61650irq/122-eno120:05:192
80389965,1cyclictest13535-21ssh00:22:072
80389964,1cyclictest61650irq/122-eno122:25:132
80389964,1cyclictest61650irq/122-eno121:10:192
80389964,1cyclictest61650irq/122-eno120:45:132
80389960,0cyclictest0-21swapper/221:00:112
80259965,1cyclictest9-21ksoftirqd/020:05:010
80259965,1cyclictest8857-21ssh23:30:330
80259965,1cyclictest15669-21ssh22:55:480
80259965,1cyclictest11091-21cat20:20:160
80259964,1cyclictest693-21runrttasks19:40:210
80259960,6cyclictest15137-21processes19:20:190
80259960,5cyclictest0-21swapper/021:05:210
80259960,5cyclictest0-21swapper/020:10:190
80259960,4cyclictest0-21swapper/000:20:120
80259960,0cyclictest0-21swapper/021:02:000
80259960,0cyclictest0-21swapper/019:50:430
80259960,0cyclictest0-21swapper/000:30:020
80469955,0cyclictest13650irq/124-ahci[0022:10:283
80469954,1cyclictest5140-21ssh22:41:573
80469954,1cyclictest35-21ksoftirqd/320:20:083
80469954,1cyclictest30413-21ssh22:32:163
80469954,1cyclictest24656-21ntpq19:40:183
80469954,1cyclictest1457-21taskset23:20:453
80469953,1cyclictest3857-21expr23:25:143
80469953,1cyclictest25529-21open_inodes20:50:163
80469953,1cyclictest19928-21threads00:30:213
80469953,1cyclictest11277-21cut23:35:153
80469953,1cyclictest1113-21diskmemload23:31:313
80469952,2cyclictest16070-21ntp_states20:30:193
80469952,1cyclictest548-21systemd-logind19:15:003
80469951,3cyclictest31421-21apt-get21:05:123
80469950,5cyclictest0-21swapper/320:12:573
80469950,2cyclictest23326-21sendmail_mailst20:45:203
80469950,1cyclictest240-21systemd-journal19:45:543
80469950,1cyclictest0-21swapper/320:00:093
80389954,1cyclictest61650irq/122-eno121:05:162
80389952,1cyclictest240-21systemd-journal20:30:102
80389950,2cyclictest30549-21apt-get19:55:122
80259951,4cyclictest15030-21telnet20:30:120
80259951,2cyclictest0-21swapper/020:35:160
80259950,4cyclictest8227-21/usr/sbin/munin19:10:230
80259950,0cyclictest0-21swapper/020:05:160
80259950,0cyclictest0-21swapper/019:55:170
80469944,0cyclictest15254-21sensors19:20:193
80469943,1cyclictest29377-21cstates21:00:123
80469942,1cyclictest19700-21aten_r1power_fr20:40:123
80469942,1cyclictest12834-21cpuspeed_turbos20:25:123
80469942,1cyclictest10744-21apt-key19:15:003
80469941,2cyclictest17258-21apt-get20:35:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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