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2026-07-15 - 05:40
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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 Jul 15, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180612214164,24sleep30-21swapper/319:09:043
179422213158,43sleep10-21swapper/119:07:291
180852212157,43sleep00-21swapper/019:09:210
180102201161,26sleep20-21swapper/219:08:242
318682690,0sleep30-21swapper/321:35:213
221512660,0sleep30-21swapper/322:50:233
10872180,0sleep121-21ksoftirqd/123:50:201
96462140,0sleep30-21swapper/321:50:153
1822899130,12cyclictest11268-21diskmemload23:35:120
1822899124,4cyclictest17553-21perf20:14:590
18228991210,1cyclictest9-21ksoftirqd/022:10:010
1825599119,1cyclictest35-21ksoftirqd/323:15:013
1825599110,7cyclictest8327-21apt-get19:55:123
1825599110,7cyclictest8327-21apt-get19:55:123
18243991111,0cyclictest0-21swapper/221:25:222
299622100,0sleep20-21swapper/221:34:242
19522100,1sleep20-21swapper/223:52:202
1825599108,1cyclictest35-21ksoftirqd/320:19:593
1825599101,6cyclictest30771-21apt-get22:20:123
1825599100,6cyclictest20773-21munin-node21:30:013
1822899109,1cyclictest9-21ksoftirqd/000:08:500
1822899108,1cyclictest9-21ksoftirqd/020:45:010
182559998,1cyclictest35-21ksoftirqd/322:30:013
182439998,1cyclictest28-21ksoftirqd/200:00:002
182439998,1cyclictest28-21ksoftirqd/200:00:002
182439997,1cyclictest28-21ksoftirqd/222:20:352
182359990,8cyclictest0-21swapper/100:25:121
182289993,5cyclictest6787-21kworker/0:123:19:080
182289990,4cyclictest11268-21diskmemload23:00:000
182289990,2cyclictest0-21swapper/019:25:110
182289990,1cyclictest240-21systemd-journal21:33:370
182559987,1cyclictest35-21ksoftirqd/323:45:013
182559984,0cyclictest11268-21diskmemload23:48:503
182559982,2cyclictest0-21swapper/321:41:053
182559981,5cyclictest16032-21fw_packets21:15:163
182559980,4cyclictest0-21swapper/300:05:133
182439988,0cyclictest0-21swapper/223:19:562
182439987,0cyclictest23903-21sensors20:25:212
182439986,1cyclictest61650irq/122-eno122:40:142
182439986,1cyclictest61650irq/122-eno100:30:122
182439985,1cyclictest61650irq/122-eno123:40:102
182439981,2cyclictest0-21swapper/222:25:132
182439980,8cyclictest0-21swapper/223:47:432
182439980,7cyclictest20773-21munin-node22:17:532
182439980,0cyclictest0-21swapper/223:30:122
182359980,2cyclictest0-21swapper/122:40:131
182289987,1cyclictest11268-21diskmemload22:43:440
182289986,1cyclictest9-21ksoftirqd/019:40:000
182289983,4cyclictest32697-21switchtime23:05:210
182289983,2cyclictest548-21systemd-logind22:35:190
182289982,3cyclictest31951-21apt-get23:50:110
182289982,3cyclictest13326-21latency_hist23:25:000
182289980,7cyclictest32335-21ssh21:35:390
182289980,7cyclictest15695-21ssh23:25:460
182289980,5cyclictest0-21swapper/021:46:120
182289980,2cyclictest16710-21/usr/sbin/munin22:45:160
182289980,1cyclictest18407-21ssh22:01:340
182559977,0cyclictest35-21ksoftirqd/300:16:423
182559976,1cyclictest6700-21cat22:30:153
182559976,1cyclictest35-21ksoftirqd/322:10:003
182559975,1cyclictest9941-21apt-get23:20:123
182559974,1cyclictest240-21systemd-journal22:04:593
182559973,2cyclictest240-21systemd-journal20:55:363
182559970,4cyclictest0-21swapper/319:30:103
182559970,3cyclictest0-21swapper/323:35:043
182439976,1cyclictest61650irq/122-eno123:24:482
182439976,1cyclictest61650irq/122-eno123:05:012
182439976,1cyclictest61650irq/122-eno122:04:542
182439976,1cyclictest61650irq/122-eno121:45:222
182439976,1cyclictest61650irq/122-eno121:37:392
182439976,1cyclictest61650irq/122-eno121:18:242
182439976,1cyclictest61650irq/122-eno100:37:382
182439976,1cyclictest61650irq/122-eno100:28:102
182439976,1cyclictest61650irq/122-eno100:17:202
182439976,1cyclictest28-21ksoftirqd/219:50:112
182439976,1cyclictest13744-21ntpq21:55:182
182439976,1cyclictest0-21swapper/221:21:292
182439976,0cyclictest61650irq/122-eno123:35:032
182439976,0cyclictest61650irq/122-eno121:10:222
182439976,0cyclictest61650irq/122-eno100:10:162
182439975,1cyclictest61650irq/122-eno123:10:132
182439975,1cyclictest61650irq/122-eno122:35:122
182439975,1cyclictest61650irq/122-eno122:10:132
182439975,1cyclictest28-21ksoftirqd/220:25:002
182439975,1cyclictest20409-21/usr/sbin/munin22:05:172
182439973,2cyclictest240-21systemd-journal20:15:002
182439971,6cyclictest61650irq/122-eno121:50:222
182439970,6cyclictest6943-21ntpq22:30:172
182439970,1cyclictest240-21systemd-journal20:10:002
182439970,1cyclictest0-21swapper/222:55:122
182359971,3cyclictest0-21swapper/121:28:371
182359970,6cyclictest0-21swapper/121:00:171
182359970,6cyclictest0-21swapper/120:20:171
182359970,5cyclictest0-21swapper/121:54:371
182359970,4cyclictest0-21swapper/121:56:281
182359970,3cyclictest0-21swapper/123:00:011
182289976,1cyclictest9-21ksoftirqd/020:29:460
182289976,1cyclictest9-21ksoftirqd/000:13:380
182289976,1cyclictest4744-21ssh21:44:150
182289976,1cyclictest30263-1kworker/u9:223:47:370
182289975,1cyclictest21490-21ssh00:20:030
182289974,0cyclictest11268-21diskmemload00:18:510
182289973,2cyclictest240-21systemd-journal19:10:000
182289973,2cyclictest11268-21diskmemload22:10:200
182289972,2cyclictest31935-21apt-get20:45:110
182289971,1cyclictest27149-21ssh00:25:540
182289971,1cyclictest0-21swapper/023:40:170
182289970,6cyclictest7022-21grep22:30:180
182289970,6cyclictest3581-21sed00:40:010
182289970,6cyclictest30099-21ps00:30:180
182289970,6cyclictest23381-21diskstats21:25:150
182289970,6cyclictest22708-21head19:15:180
182289970,6cyclictest18773-21memory20:15:180
182289970,6cyclictest0-21swapper/023:10:180
182289970,6cyclictest0-21swapper/022:50:190
182289970,6cyclictest0-21swapper/022:20:240
182289970,3cyclictest0-21swapper/022:25:110
182289970,1cyclictest8792-21ssh00:01:020
182289970,1cyclictest8792-21ssh00:01:010
182289970,1cyclictest28992-21ssh22:15:390
182289970,1cyclictest19637-21fschecks_count21:20:140
182289970,1cyclictest15300-21/usr/sbin/munin21:15:200
182289970,1cyclictest0-21swapper/023:55:110
182289970,1cyclictest0-21swapper/023:55:110
182289970,1cyclictest0-21swapper/021:59:590
182289970,1cyclictest0-21swapper/020:55:130
11752270,0sleep10-21swapper/121:10:051
182559965,1cyclictest9242-21ssh00:02:223
182559965,1cyclictest9242-21ssh00:02:223
182559965,1cyclictest8887-21ssh23:17:503
182559965,1cyclictest30881-21ssh00:31:143
182559965,1cyclictest27251-21ssh00:26:123
182559965,1cyclictest25159-21ntpq22:55:183
182559965,1cyclictest15590-21ssh23:25:283
182559965,1cyclictest14654-21ssh21:56:183
182559964,2cyclictest11268-21diskmemload00:38:363
182559964,1cyclictest1516-21ssh23:51:003
182559962,3cyclictest11268-21diskmemload23:56:213
182559962,3cyclictest11268-21diskmemload23:56:203
182559962,2cyclictest11268-21diskmemload21:12:133
182559962,1cyclictest20101-21latency21:20:163
182559961,3cyclictest31483-21cpuspeed_turbos23:05:133
182559961,3cyclictest21478-21apt-get00:20:003
182559961,3cyclictest11268-21diskmemload22:15:133
182559961,2cyclictest11268-21diskmemload22:42:013
182559960,6cyclictest8034-21ssh21:48:153
182559960,6cyclictest0-21swapper/323:02:273
182559960,3cyclictest0-21swapper/321:26:453
182559960,2cyclictest0-21swapper/323:33:203
182559960,2cyclictest0-21swapper/322:12:083
182559960,1cyclictest0-21swapper/322:38:323
182559960,1cyclictest0-21swapper/320:45:143
182559960,1cyclictest0-21swapper/300:10:153
182439966,0cyclictest61650irq/122-eno123:25:222
182439966,0cyclictest61650irq/122-eno123:01:222
182439966,0cyclictest61650irq/122-eno121:40:122
182439966,0cyclictest61650irq/122-eno121:05:132
182439966,0cyclictest61650irq/122-eno120:52:192
182439966,0cyclictest61650irq/122-eno120:45:102
182439966,0cyclictest61650irq/122-eno120:31:122
182439966,0cyclictest61650irq/122-eno120:15:292
182439966,0cyclictest61650irq/122-eno120:00:392
182439966,0cyclictest61650irq/122-eno119:55:352
182439966,0cyclictest61650irq/122-eno119:55:342
182439966,0cyclictest61650irq/122-eno119:45:182
182439966,0cyclictest61650irq/122-eno119:25:132
182439966,0cyclictest61650irq/122-eno119:20:132
182439966,0cyclictest61650irq/122-eno119:10:122
182439966,0cyclictest61650irq/122-eno100:20:152
182439966,0cyclictest61650irq/122-eno100:05:152
182439966,0cyclictest61650irq/122-eno100:00:542
182439966,0cyclictest61650irq/122-eno100:00:542
182439965,1cyclictest61650irq/122-eno122:45:132
182439965,1cyclictest61650irq/122-eno119:15:172
182439964,1cyclictest61650irq/122-eno122:50:132
182439964,1cyclictest61650irq/122-eno121:00:122
182439964,1cyclictest28-21ksoftirqd/219:40:112
182439963,1cyclictest240-21systemd-journal20:59:522
182439962,3cyclictest29689-21latency19:30:162
182439960,1cyclictest0-21swapper/220:40:122
182439960,1cyclictest0-21swapper/219:35:112
182359961,2cyclictest0-21swapper/123:35:151
182359961,2cyclictest0-21swapper/122:30:111
182359960,6cyclictest0-21swapper/123:25:381
182359960,6cyclictest0-21swapper/123:14:251
182359960,6cyclictest0-21swapper/123:09:501
182359960,6cyclictest0-21swapper/122:52:021
182359960,6cyclictest0-21swapper/119:41:421
182359960,6cyclictest0-21swapper/119:19:181
182359960,6cyclictest0-21swapper/100:13:531
182359960,5cyclictest0-21swapper/121:35:221
182359960,3cyclictest0-21swapper/120:15:121
182359960,3cyclictest0-21swapper/100:05:181
182359960,2cyclictest0-21swapper/123:02:551
182359960,2cyclictest0-21swapper/122:05:231
182359960,1cyclictest0-21swapper/123:20:161
182289965,1cyclictest19210-21ssh23:30:250
182289964,1cyclictest9881-21wc19:55:220
182289964,1cyclictest9881-21wc19:55:210
182289963,1cyclictest240-21systemd-journal19:45:000
182289962,1cyclictest23843-21/usr/sbin/munin19:20:190
182289961,2cyclictest28328-21apt-get19:30:010
182289960,6cyclictest0-21swapper/020:51:180
182289960,5cyclictest0-21swapper/021:10:160
182289960,3cyclictest9689-21grep21:50:160
182289960,2cyclictest13052-21apt-get20:05:100
182289960,1cyclictest0-21swapper/020:30:120
182289960,0cyclictest0-21swapper/023:01:170
24434250,0sleep10-21swapper/100:23:421
182559955,0cyclictest7600-21kworker/3:120:26:303
182559955,0cyclictest7600-21kworker/3:120:04:063
182559954,1cyclictest7171-21sensors19:50:213
182559954,1cyclictest31711-21/usr/sbin/munin20:45:003
182559953,1cyclictest9572-21expr21:05:123
182559953,1cyclictest5281-21taskset19:46:563
182559953,1cyclictest27228-21missed_timers19:25:173
182559953,1cyclictest23915-21cut19:20:133
182559953,1cyclictest20223-21aten_r1power_fr20:20:133
182559952,1cyclictest240-21systemd-journal19:43:343
182559952,1cyclictest13650irq/124-ahci[0019:40:013
182559950,5cyclictest0-21swapper/321:00:023
182559950,5cyclictest0-21swapper/320:31:493
182559950,4cyclictest29027-21sshd20:36:203
182559950,1cyclictest0-21swapper/322:45:143
182559950,1cyclictest0-21swapper/319:15:113
182439955,0cyclictest61650irq/122-eno120:35:332
182359955,0cyclictest0-21swapper/122:01:161
182359953,1cyclictest271082sleep120:35:001
182359951,3cyclictest0-21swapper/121:15:131
182359951,1cyclictest0-21swapper/122:45:181
182359951,1cyclictest0-21swapper/100:37:461
182359950,5cyclictest0-21swapper/119:57:261
182359950,5cyclictest0-21swapper/119:57:261
182359950,4cyclictest0-21swapper/120:26:061
182359950,3cyclictest0-21swapper/121:46:151
182359950,3cyclictest0-21swapper/121:41:421
182359950,3cyclictest0-21swapper/120:45:111
182359950,3cyclictest0-21swapper/100:30:201
182359950,2cyclictest0-21swapper/123:45:331
182359950,2cyclictest0-21swapper/123:40:161
182359950,2cyclictest0-21swapper/123:30:191
182359950,2cyclictest0-21swapper/122:39:131
182359950,2cyclictest0-21swapper/122:17:231
182359950,2cyclictest0-21swapper/121:34:141
182359950,2cyclictest0-21swapper/121:24:441
182359950,2cyclictest0-21swapper/120:10:011
182359950,2cyclictest0-21swapper/100:15:291
182359950,2cyclictest0-21swapper/100:00:221
182359950,2cyclictest0-21swapper/100:00:221
182359950,1cyclictest0-21swapper/119:45:121
182359950,1cyclictest0-21swapper/119:20:211
182359950,0cyclictest0-21swapper/122:24:551
182289953,1cyclictest10697-21/usr/sbin/munin20:00:210
182289951,4cyclictest528-21rpcbind21:04:140
182289950,4cyclictest9147-21/usr/sbin/munin21:05:110
182289950,4cyclictest20143-21/usr/sbin/munin20:20:130
182289950,2cyclictest240-21systemd-journal19:50:000
182289950,1cyclictest0-21swapper/019:48:060
182289950,0cyclictest0-21swapper/020:35:000
182559943,1cyclictest16655-21head20:10:193
182559941,1cyclictest240-21systemd-journal20:50:053
182559941,1cyclictest13966-21/usr/sbin/munin20:05:163
182559941,1cyclictest0-21swapper/319:10:213
182359944,0cyclictest0-21swapper/120:50:471
182359943,1cyclictest23441-21chrt22:10:051
182359942,1cyclictest291122sleep120:37:241
182359942,0cyclictest0-21swapper/120:10:121
182359940,2cyclictest0-21swapper/123:55:121
182359940,2cyclictest0-21swapper/123:55:111
182359940,2cyclictest0-21swapper/122:25:191
182359940,2cyclictest0-21swapper/119:30:171
182359940,1cyclictest0-21swapper/123:15:141
182359940,1cyclictest0-21swapper/121:05:191
182359940,0cyclictest0-21swapper/120:55:211
182359940,0cyclictest0-21swapper/120:00:131
182359940,0cyclictest0-21swapper/119:35:191
182359931,1cyclictest57592sleep119:50:071
182359931,1cyclictest0-21swapper/120:40:121
182359931,1cyclictest0-21swapper/119:25:141
182359930,2cyclictest0-21swapper/119:10:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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