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2026-06-04 - 23:00
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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 Jun 04, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206912210148,21sleep00-21swapper/007:07:200
208532205166,26sleep30-21swapper/307:09:293
205902204166,24sleep10-21swapper/107:06:001
208122200161,25sleep20-21swapper/207:08:552
136492650,0sleep30-21swapper/309:50:163
16142620,0sleep10-21swapper/111:45:001
170232370,1sleep017026-21unixbench_multi11:20:200
2098399130,3cyclictest0-21swapper/311:00:133
2098399130,1cyclictest14042-21diskmemload12:30:563
2097599130,1cyclictest0-21swapper/208:00:142
20969991311,1cyclictest9-21ksoftirqd/012:10:010
2098399122,4cyclictest25925-21apt-get09:25:113
20975991211,1cyclictest0-21swapper/211:01:412
20969991210,1cyclictest9-21ksoftirqd/011:00:130
20969991210,1cyclictest9-21ksoftirqd/010:35:120
2098399115,5cyclictest32075-21ssh09:30:593
2098399115,5cyclictest32075-21ssh09:30:593
2098399115,5cyclictest1029-21snmpd07:23:583
2098399113,1cyclictest11672-21latency_hist09:05:003
2098399111,1cyclictest28943-21/usr/sbin/munin10:55:113
2098399110,2cyclictest240-21systemd-journal08:45:013
2096999111,8cyclictest23339-21kworker/0:212:35:170
2098399105,5cyclictest22801-21ssh12:12:403
2098399104,1cyclictest28406-21ssh10:54:293
2098399104,1cyclictest19302-21ssh09:58:403
2098399103,1cyclictest19650-21ssh10:41:053
2098399103,1cyclictest1483-21idleruntime-cro11:45:003
2098399103,1cyclictest0-21swapper/312:16:283
2098399103,0cyclictest14042-21diskmemload09:39:563
2098399102,0cyclictest14042-21diskmemload11:11:063
2098399102,0cyclictest14042-21diskmemload11:11:063
2098399101,1cyclictest240-21systemd-journal08:25:003
2098399100,3cyclictest14042-21diskmemload10:12:523
2098399100,2cyclictest0-21swapper/312:29:193
2098399100,2cyclictest0-21swapper/309:47:533
2098399100,1cyclictest240-21systemd-journal11:50:003
2098399100,1cyclictest240-21systemd-journal10:40:003
2098399100,1cyclictest240-21systemd-journal10:25:003
2098399100,1cyclictest240-21systemd-journal10:20:003
2098399100,1cyclictest240-21systemd-journal10:10:003
2098399100,1cyclictest240-21systemd-journal08:50:013
2098399100,1cyclictest240-21systemd-journal08:10:003
2098399100,1cyclictest240-21systemd-journal07:55:003
2098399100,1cyclictest240-21systemd-journal07:40:003
2098399100,1cyclictest240-21systemd-journal07:40:003
2098399100,1cyclictest240-21systemd-journal07:35:003
2098399100,1cyclictest0-21swapper/311:15:163
2096999109,1cyclictest9-21ksoftirqd/011:10:130
2096999109,1cyclictest9-21ksoftirqd/011:10:130
2096999109,1cyclictest9-21ksoftirqd/010:55:120
2096999109,1cyclictest9-21ksoftirqd/010:45:200
2096999108,1cyclictest9-21ksoftirqd/008:30:000
20969991010,0cyclictest9-21ksoftirqd/009:35:010
20969991010,0cyclictest9-21ksoftirqd/009:35:010
209839994,1cyclictest1029-21snmpd11:38:243
209839992,3cyclictest14042-21diskmemload11:20:473
209839992,1cyclictest8696-21cat09:45:013
209839992,1cyclictest21280-21expr08:15:143
209839992,1cyclictest10789-21grep11:55:203
209839992,0cyclictest14042-21diskmemload10:48:393
209839991,1cyclictest14042-21diskmemload10:30:213
209839990,3cyclictest23209-21seq11:30:133
209839990,3cyclictest19526-21runrttasks09:15:173
209839990,1cyclictest240-21systemd-journal12:10:013
209839990,1cyclictest240-21systemd-journal11:09:543
209839990,1cyclictest240-21systemd-journal09:25:003
209839990,1cyclictest240-21systemd-journal08:29:593
209839990,1cyclictest240-21systemd-journal08:00:003
209839990,1cyclictest240-21systemd-journal07:44:553
209759998,1cyclictest28-21ksoftirqd/211:30:002
209699998,1cyclictest9-21ksoftirqd/012:15:010
209699998,1cyclictest9-21ksoftirqd/011:35:000
209699995,2cyclictest240-21systemd-journal12:21:080
209699992,4cyclictest16122-21latency_hist09:55:000
209839986,1cyclictest1029-21snmpd07:10:283
209839982,1cyclictest8129-21ssh12:35:363
209839982,1cyclictest27974-21egrep08:30:123
209839982,1cyclictest14356-21cat12:00:203
209839980,4cyclictest5446-21apt-get11:50:113
209759988,0cyclictest61650irq/122-eno111:58:522
209759987,1cyclictest28-21ksoftirqd/210:03:472
209759986,1cyclictest61650irq/122-eno111:40:142
209759986,1cyclictest61650irq/122-eno111:15:102
209759986,1cyclictest61650irq/122-eno110:10:132
209759986,1cyclictest1029-21snmpd12:13:342
209759986,1cyclictest1029-21snmpd11:11:142
209759986,1cyclictest1029-21snmpd11:11:142
209759986,1cyclictest1029-21snmpd09:31:592
209759986,1cyclictest1029-21snmpd09:31:582
209759986,1cyclictest1029-21snmpd07:58:082
209759980,6cyclictest32606-21kworker/u8:009:40:402
209759980,4cyclictest0-21swapper/208:30:132
209759980,3cyclictest0-21swapper/207:40:122
209759980,1cyclictest13626-21cron10:35:002
209719981,6cyclictest0-21swapper/107:31:201
209719981,4cyclictest0-21swapper/110:32:531
209719980,5cyclictest0-21swapper/112:30:221
209719980,2cyclictest0-21swapper/107:45:121
209699988,0cyclictest9-21ksoftirqd/011:25:130
209699988,0cyclictest9-21ksoftirqd/010:30:200
209699988,0cyclictest9-21ksoftirqd/009:15:140
209699987,1cyclictest9-21ksoftirqd/011:06:020
209699987,1cyclictest9-21ksoftirqd/009:05:120
209699986,1cyclictest9-21ksoftirqd/010:00:130
209699986,1cyclictest1029-21snmpd08:57:460
209699986,1cyclictest1029-21snmpd07:13:130
209699985,1cyclictest240-21systemd-journal11:51:080
209699984,0cyclictest0-21swapper/010:08:390
209699980,4cyclictest0-21swapper/008:40:100
4807270,1sleep20-21swapper/212:31:402
209839977,0cyclictest35-21ksoftirqd/310:02:383
209839976,1cyclictest1029-21snmpd07:29:043
209839975,1cyclictest35-21ksoftirqd/308:15:003
209839975,1cyclictest1029-21snmpd12:22:073
209839975,1cyclictest1029-21snmpd10:27:193
209839973,2cyclictest240-21systemd-journal08:35:013
209839973,2cyclictest240-21systemd-journal08:35:013
209839972,1cyclictest89322sleep308:55:243
209839972,1cyclictest22419-21ssh11:29:593
209759976,1cyclictest61650irq/122-eno111:45:162
209759976,1cyclictest61650irq/122-eno111:30:012
209759976,1cyclictest61650irq/122-eno110:54:002
209759976,1cyclictest61650irq/122-eno110:20:572
209759976,1cyclictest61650irq/122-eno109:50:132
209759976,1cyclictest61650irq/122-eno109:14:102
209759976,1cyclictest23680-21timerwakeupswit09:20:192
209759975,1cyclictest61650irq/122-eno112:25:152
209759975,1cyclictest61650irq/122-eno110:35:122
209759975,1cyclictest61650irq/122-eno110:05:112
209759975,1cyclictest61650irq/122-eno108:05:192
209759975,1cyclictest1029-21snmpd12:37:292
209759975,1cyclictest1029-21snmpd10:25:452
209759975,1cyclictest1029-21snmpd09:29:322
209759973,1cyclictest240-21systemd-journal11:39:082
209759971,5cyclictest17083-21fschecks_time09:55:152
209759970,2cyclictest23315-21munin-run07:14:592
209759970,1cyclictest24230-21apt-get07:15:122
209719970,6cyclictest0-21swapper/112:35:081
209719970,6cyclictest0-21swapper/107:37:531
209719970,6cyclictest0-21swapper/107:37:521
209719970,5cyclictest0-21swapper/111:51:001
209719970,1cyclictest0-21swapper/110:29:151
209719970,1cyclictest0-21swapper/109:10:141
209699976,1cyclictest9-21ksoftirqd/011:35:150
209699976,1cyclictest9-21ksoftirqd/007:35:000
209699976,1cyclictest11777-21cat07:55:150
209699976,1cyclictest1029-21snmpd11:57:590
209699975,1cyclictest9-21ksoftirqd/008:35:140
209699975,1cyclictest9-21ksoftirqd/008:35:140
209699975,1cyclictest26363-21awk07:20:000
209699975,1cyclictest17881-21latency_hist09:15:000
209699975,1cyclictest12505-21ssh11:15:130
209699975,1cyclictest1029-21snmpd12:32:530
209699975,1cyclictest1029-21snmpd10:51:550
209699975,1cyclictest1029-21snmpd09:45:140
209699975,1cyclictest1029-21snmpd08:50:090
209699975,1cyclictest1029-21snmpd08:08:360
209699972,4cyclictest26816-21diskmemload12:18:350
209699972,4cyclictest1442-21apt-get07:35:090
209699972,4cyclictest1442-21apt-get07:35:090
209699972,4cyclictest1029-21snmpd07:53:080
209699971,6cyclictest15685-21ssh12:03:260
209699971,4cyclictest14042-21diskmemload09:40:050
209699970,6cyclictest4904-21ssh11:49:170
209699970,6cyclictest3451-21sh09:36:060
209699970,6cyclictest28474-21ssh09:27:150
209699970,6cyclictest28179-21ssh10:10:130
209699970,6cyclictest17526-21ntpq09:55:170
209699970,1cyclictest32644-21ssh11:41:260
209699970,1cyclictest31808-21df_inode12:25:120
209699970,1cyclictest28969-21date07:25:000
209699970,1cyclictest0-21swapper/009:24:390
209839960,2cyclictest0-21swapper/309:10:153
209759966,0cyclictest61650irq/122-eno111:05:102
209759966,0cyclictest61650irq/122-eno110:55:052
209759966,0cyclictest61650irq/122-eno110:45:152
209759966,0cyclictest61650irq/122-eno110:40:032
209759966,0cyclictest61650irq/122-eno109:45:132
209759966,0cyclictest61650irq/122-eno109:02:382
209759966,0cyclictest61650irq/122-eno108:20:502
209759966,0cyclictest61650irq/122-eno108:10:522
209759966,0cyclictest61650irq/122-eno107:45:492
209759966,0cyclictest61650irq/122-eno107:35:092
209759966,0cyclictest61650irq/122-eno107:35:092
209759965,1cyclictest61650irq/122-eno111:50:132
209759965,1cyclictest61650irq/122-eno111:20:112
209759965,1cyclictest61650irq/122-eno110:15:112
209759965,1cyclictest61650irq/122-eno109:15:132
209759965,1cyclictest28261-21ssh12:20:152
209759964,1cyclictest61650irq/122-eno112:00:132
209759964,1cyclictest61650irq/122-eno109:35:142
209759964,1cyclictest61650irq/122-eno109:05:172
209759963,1cyclictest240-21systemd-journal08:45:012
209759961,2cyclictest14042-21diskmemload12:15:112
209759961,2cyclictest0-21swapper/212:05:372
209759960,6cyclictest0-21swapper/208:15:332
209759960,2cyclictest0-21swapper/207:30:122
209719962,1cyclictest0-21swapper/111:30:001
209719961,1cyclictest0-21swapper/111:03:441
209719960,6cyclictest0-21swapper/112:27:131
209719960,6cyclictest0-21swapper/111:23:351
209719960,6cyclictest0-21swapper/111:05:231
209719960,6cyclictest0-21swapper/110:02:571
209719960,6cyclictest0-21swapper/109:39:551
209719960,6cyclictest0-21swapper/108:43:161
209719960,6cyclictest0-21swapper/108:28:271
209719960,6cyclictest0-21swapper/107:29:551
209719960,5cyclictest0-21swapper/110:15:031
209719960,4cyclictest0-21swapper/111:59:291
209719960,3cyclictest0-21swapper/110:44:521
209719960,3cyclictest0-21swapper/107:55:001
209719960,1cyclictest0-21swapper/111:35:091
209719960,1cyclictest0-21swapper/108:04:391
209699965,1cyclictest30333-21ntpq07:25:180
209699965,1cyclictest17549-21ssh10:40:020
209699965,1cyclictest1029-21snmpd08:02:540
209699964,1cyclictest9-21ksoftirqd/008:30:020
209699961,3cyclictest14042-21diskmemload10:21:080
209699960,6cyclictest0-21swapper/008:21:080
209699960,6cyclictest0-21swapper/008:14:220
209699960,6cyclictest0-21swapper/007:42:320
209699960,1cyclictest6707-21cpu10:25:120
209699960,0cyclictest0-21swapper/010:15:180
209699960,0cyclictest0-21swapper/008:49:460
23529250,0sleep10-21swapper/108:20:141
209839954,1cyclictest1029-21snmpd08:01:143
209839953,1cyclictest24020-21if_eno107:15:003
209839953,1cyclictest1029-21snmpd09:05:013
209839950,3cyclictest0-21swapper/307:45:123
209759955,0cyclictest61650irq/122-eno108:55:192
209759955,0cyclictest61650irq/122-eno108:25:182
209759953,1cyclictest6347-21grep08:50:202
209759953,1cyclictest61650irq/122-eno107:25:162
209759950,5cyclictest0-21swapper/208:46:192
209759950,4cyclictest10227-21unixbench_singl07:50:192
209759950,3cyclictest0-21swapper/208:35:122
209759950,3cyclictest0-21swapper/208:35:122
209759950,1cyclictest0-21swapper/207:20:102
209719955,0cyclictest0-21swapper/109:40:511
209719952,1cyclictest0-21swapper/110:50:161
209719951,1cyclictest23882-21taskset12:15:081
209719951,1cyclictest0-21swapper/109:25:001
209719950,5cyclictest0-21swapper/112:00:381
209719950,5cyclictest0-21swapper/111:33:421
209719950,5cyclictest0-21swapper/111:11:031
209719950,5cyclictest0-21swapper/111:11:031
209719950,5cyclictest0-21swapper/110:55:001
209719950,5cyclictest0-21swapper/110:12:561
209719950,5cyclictest0-21swapper/109:56:251
209719950,5cyclictest0-21swapper/109:02:221
209719950,5cyclictest0-21swapper/108:58:341
209719950,5cyclictest0-21swapper/108:33:361
209719950,5cyclictest0-21swapper/107:55:291
209719950,5cyclictest0-21swapper/107:12:391
209719950,4cyclictest0-21swapper/107:40:161
209719950,3cyclictest0-21swapper/110:45:121
209719950,3cyclictest0-21swapper/110:36:031
209719950,3cyclictest0-21swapper/110:21:151
209719950,3cyclictest0-21swapper/109:30:121
209719950,3cyclictest0-21swapper/109:30:121
209719950,2cyclictest0-21swapper/109:50:121
209719950,1cyclictest0-21swapper/112:05:121
209719950,1cyclictest0-21swapper/109:25:161
209719950,1cyclictest0-21swapper/107:15:001
209719950,0cyclictest0-21swapper/112:22:581
209719950,0cyclictest0-21swapper/109:17:231
209719950,0cyclictest0-21swapper/108:18:511
209699953,1cyclictest6175-21/usr/sbin/munin07:45:190
209699953,1cyclictest20517-21/usr/sbin/munin08:15:180
209699950,4cyclictest9555-21/usr/sbin/munin09:00:110
209839943,1cyclictest4846-21cut08:50:113
209719944,0cyclictest0-21swapper/108:37:111
209719944,0cyclictest0-21swapper/108:37:111
209719942,1cyclictest6797-21chrt08:53:141
209719940,3cyclictest0-21swapper/111:15:081
209719940,3cyclictest0-21swapper/110:05:111
209719940,2cyclictest0-21swapper/112:10:061
209719940,2cyclictest0-21swapper/111:46:411
209719940,2cyclictest0-21swapper/108:45:101
209719940,2cyclictest0-21swapper/108:05:131
209719940,2cyclictest0-21swapper/107:25:001
209719940,1cyclictest0-21swapper/109:45:021
209719940,1cyclictest0-21swapper/109:05:131
209719931,1cyclictest0-21swapper/108:10:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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