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2026-08-29 - 15:26
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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 all highest latencies:
System rack1slot1.osadl.org (updated Sat Aug 29, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
102082216150,52sleep20-21swapper/207:09:322
102172204151,41sleep10-21swapper/107:09:391
100272200150,24sleep00-21swapper/007:07:080
100902198160,25sleep30-21swapper/307:08:003
212032740,0sleep00-21swapper/009:35:150
148322210,0sleep10-21swapper/110:10:281
92312180,1sleep39218-21cron08:15:013
29552180,0sleep10-21swapper/109:55:141
138492160,0sleep00-21swapper/010:55:210
271212150,0sleep00-21swapper/012:00:330
143002140,0sleep10-21swapper/107:15:151
10318991414,0cyclictest9-21ksoftirqd/010:35:160
10327991311,1cyclictest28-21ksoftirqd/208:50:002
1031999131,8cyclictest0-21swapper/112:05:111
10318991311,1cyclictest9-21ksoftirqd/012:35:000
1031899123,5cyclictest30255-21perf10:34:590
10318991210,1cyclictest9-21ksoftirqd/010:50:210
10318991210,1cyclictest9-21ksoftirqd/007:30:000
1031899121,10cyclictest9386-21latency_hist10:05:000
10329991110,0cyclictest35-21ksoftirqd/310:05:013
10327991110,1cyclictest28-21ksoftirqd/211:55:012
1031899119,1cyclictest9-21ksoftirqd/010:50:000
1031899119,1cyclictest9-21ksoftirqd/009:40:110
1031899119,1cyclictest9-21ksoftirqd/007:40:000
1031899112,4cyclictest10069-21wc09:20:000
10318991110,1cyclictest9-21ksoftirqd/010:45:000
1032999108,1cyclictest2979-21diskmemload09:28:303
1032999100,7cyclictest0-21swapper/312:30:543
1032799109,1cyclictest28-21ksoftirqd/212:25:162
1032799109,1cyclictest28-21ksoftirqd/209:30:162
1032799100,9cyclictest61650irq/122-eno110:58:142
1031899109,1cyclictest9-21ksoftirqd/011:40:000
1031899109,1cyclictest9-21ksoftirqd/011:10:000
1031899108,1cyclictest9-21ksoftirqd/011:30:250
1031899108,1cyclictest9-21ksoftirqd/008:40:000
1031899108,1cyclictest9-21ksoftirqd/007:25:000
1031899108,1cyclictest9-21ksoftirqd/007:15:000
1031899107,2cyclictest9-21ksoftirqd/008:10:000
1031899106,1cyclictest240-21systemd-journal09:27:080
29730290,1sleep10-21swapper/110:33:281
103299998,1cyclictest35-21ksoftirqd/311:55:003
103279998,1cyclictest28-21ksoftirqd/210:50:002
103279998,1cyclictest28-21ksoftirqd/208:55:012
103279998,1cyclictest28-21ksoftirqd/208:25:012
103279998,0cyclictest28-21ksoftirqd/209:50:142
103279996,1cyclictest61650irq/122-eno109:40:002
103279990,9cyclictest61650irq/122-eno112:11:462
103279990,8cyclictest61650irq/122-eno111:36:592
103189998,1cyclictest9-21ksoftirqd/012:10:120
103189997,1cyclictest9-21ksoftirqd/012:35:140
103189997,1cyclictest9-21ksoftirqd/009:55:000
103189993,5cyclictest26777-21cat10:30:000
103189992,6cyclictest30663-21latency_hist09:00:000
103189991,7cyclictest15497-21sh10:12:380
103189991,4cyclictest2979-21diskmemload11:55:140
103299988,0cyclictest35-21ksoftirqd/310:35:353
103299988,0cyclictest35-21ksoftirqd/310:25:003
103299987,1cyclictest35-21ksoftirqd/309:20:003
103299986,1cyclictest11301-21snmpd12:18:493
103299986,1cyclictest11301-21snmpd11:37:473
103299986,1cyclictest11301-21snmpd11:32:233
103299986,1cyclictest11301-21snmpd09:46:083
103299986,1cyclictest11301-21snmpd09:35:443
103299986,1cyclictest11301-21snmpd09:24:103
103299986,1cyclictest11301-21snmpd08:32:383
103299986,1cyclictest11301-21snmpd08:08:493
103299986,1cyclictest11301-21snmpd07:51:223
103299984,2cyclictest240-21systemd-journal10:00:003
103299980,7cyclictest11301-21snmpd10:11:053
103299980,5cyclictest0-21swapper/312:07:253
103279988,0cyclictest28-21ksoftirqd/210:30:132
103279987,1cyclictest28-21ksoftirqd/212:25:002
103279987,1cyclictest28-21ksoftirqd/210:15:192
103279987,1cyclictest28-21ksoftirqd/210:15:192
103279987,1cyclictest28-21ksoftirqd/209:10:002
103279986,1cyclictest28-21ksoftirqd/208:20:002
103279986,1cyclictest11301-21snmpd08:03:282
103279984,2cyclictest548-21systemd-logind07:15:002
103279981,6cyclictest3243-21apt-get09:10:112
103279980,5cyclictest15016-21rm11:45:132
103199980,5cyclictest0-21swapper/110:25:391
103189987,1cyclictest9-21ksoftirqd/009:25:000
103189987,1cyclictest9-21ksoftirqd/009:10:140
103189987,1cyclictest9-21ksoftirqd/009:05:000
103189986,1cyclictest9-21ksoftirqd/011:10:160
103189986,1cyclictest11301-21snmpd09:48:180
103189983,1cyclictest20050-21/usr/sbin/munin10:20:180
103189980,7cyclictest19823-21ssh09:32:100
26540270,1sleep20-21swapper/209:41:182
19874270,1sleep20-21swapper/212:37:572
103299976,1cyclictest11301-21snmpd10:30:123
103299976,1cyclictest11301-21snmpd09:12:403
103299976,1cyclictest0-21swapper/310:40:183
103299975,1cyclictest5240-21ssh10:45:083
103299975,1cyclictest35-21ksoftirqd/307:15:003
103299975,1cyclictest27546-21ssh09:44:343
103299975,1cyclictest11301-21snmpd11:05:313
103299975,1cyclictest11301-21snmpd10:55:113
103299975,1cyclictest11301-21snmpd08:25:243
103299975,1cyclictest11301-21snmpd07:43:543
103299975,1cyclictest11301-21snmpd07:32:273
103299975,1cyclictest11301-21snmpd07:29:033
103299974,1cyclictest2979-21diskmemload11:02:423
103299974,1cyclictest2979-21diskmemload11:02:423
103299973,2cyclictest548-21systemd-logind11:44:083
103299973,2cyclictest548-21systemd-logind11:44:083
103299971,3cyclictest2410-21apt-get08:00:123
103279977,0cyclictest28-21ksoftirqd/209:45:142
103279976,1cyclictest61650irq/122-eno112:19:512
103279976,1cyclictest61650irq/122-eno111:41:062
103279976,1cyclictest61650irq/122-eno111:41:062
103279976,1cyclictest61650irq/122-eno111:25:142
103279976,1cyclictest61650irq/122-eno110:37:232
103279976,1cyclictest61650irq/122-eno108:30:002
103279976,1cyclictest28-21ksoftirqd/211:20:202
103279976,1cyclictest28-21ksoftirqd/211:15:172
103279976,1cyclictest28-21ksoftirqd/211:00:192
103279976,1cyclictest28-21ksoftirqd/211:00:192
103279976,1cyclictest28-21ksoftirqd/208:35:002
103279976,1cyclictest23891-21ntpq11:10:192
103279976,1cyclictest0-21swapper/207:28:082
103279975,1cyclictest61650irq/122-eno109:55:202
103279975,1cyclictest28-21ksoftirqd/209:00:142
103279975,1cyclictest11301-21snmpd10:20:222
103279974,3cyclictest27507-21latency_hist07:45:002
103279973,3cyclictest61650irq/122-eno110:40:132
103279971,4cyclictest0-21swapper/209:25:102
103279970,7cyclictest0-21swapper/212:33:232
103279970,7cyclictest0-21swapper/209:17:412
103279970,1cyclictest0-21swapper/210:10:092
103279970,0cyclictest0-21swapper/210:01:472
103199971,6cyclictest0-21swapper/112:04:421
103199970,6cyclictest0-21swapper/109:25:051
103199970,5cyclictest0-21swapper/110:55:291
103189977,0cyclictest9-21ksoftirqd/011:20:140
103189976,1cyclictest9-21ksoftirqd/011:15:160
103189976,1cyclictest9-21ksoftirqd/007:40:130
103189975,1cyclictest9-21ksoftirqd/008:00:140
103189975,1cyclictest11301-21snmpd08:45:020
103189974,1cyclictest294-21systemd-udevd11:03:090
103189974,1cyclictest294-21systemd-udevd11:03:080
103189973,2cyclictest548-21systemd-logind07:54:080
103189973,0cyclictest0-21swapper/007:45:170
103189972,3cyclictest548-21systemd-logind11:27:090
103189970,6cyclictest8355-21grep08:10:180
103189970,6cyclictest7869-21memory12:20:160
103189970,6cyclictest2979-21diskmemload11:50:200
103189970,6cyclictest2790-21cpuspeed_turbos09:55:140
103189970,6cyclictest14832-21telnet11:45:120
103189970,6cyclictest12650-21mailstats11:40:200
103189970,6cyclictest12650-21mailstats11:40:190
103189970,6cyclictest0-21swapper/010:15:210
103189970,6cyclictest0-21swapper/010:15:210
103189970,6cyclictest0-21swapper/007:55:140
103189970,4cyclictest0-21swapper/008:30:120
103189970,1cyclictest3311-21ssh12:15:110
103189970,1cyclictest30831-21ssh12:06:170
103189970,1cyclictest2020-21ntp_states09:05:190
103189970,1cyclictest10311-21ssh12:25:050
19525260,0sleep30-21swapper/309:31:103
103299966,0cyclictest2979-21diskmemload09:53:303
103299966,0cyclictest0-21swapper/312:35:483
103299965,1cyclictest31817-21cat09:00:163
103299965,1cyclictest28078-21ssh11:15:443
103299965,1cyclictest25342-21ssh11:13:133
103299965,1cyclictest22506-21ssh11:55:153
103299965,1cyclictest17577-21ssh11:48:383
103299965,1cyclictest11301-21snmpd10:28:373
103299965,1cyclictest10846-21ssh10:51:243
103299964,1cyclictest6821-21ssh12:20:063
103299964,1cyclictest2979-21diskmemload11:21:553
103299964,1cyclictest28308-21cron08:55:003
103299964,1cyclictest2669-21ssh11:25:493
103299964,1cyclictest11301-21snmpd08:24:383
103299964,1cyclictest11301-21snmpd08:16:313
103299963,1cyclictest240-21systemd-journal12:30:003
103299962,1cyclictest26437-21awk12:00:163
103299961,3cyclictest2967-21cron09:10:003
103299960,4cyclictest1951-21taskset07:57:393
103299960,4cyclictest1000-21ntp_states12:10:173
103299960,2cyclictest0-21swapper/310:16:173
103299960,2cyclictest0-21swapper/310:16:173
103299960,2cyclictest0-21swapper/310:06:493
103279966,0cyclictest61650irq/122-eno112:05:122
103279966,0cyclictest61650irq/122-eno111:30:352
103279966,0cyclictest61650irq/122-eno111:05:112
103279966,0cyclictest61650irq/122-eno110:05:422
103279966,0cyclictest61650irq/122-eno108:40:162
103279966,0cyclictest61650irq/122-eno107:15:132
103279966,0cyclictest28-21ksoftirqd/208:05:222
103279965,1cyclictest61650irq/122-eno111:55:132
103279965,1cyclictest61650irq/122-eno109:20:162
103279965,1cyclictest61650irq/122-eno108:35:212
103279965,1cyclictest61650irq/122-eno107:59:132
103279965,1cyclictest25227-21ssh12:00:042
103279965,1cyclictest24162-21ntpq07:35:182
103279964,1cyclictest9922-21ntpq10:50:202
103279964,1cyclictest61650irq/122-eno108:10:132
103279960,5cyclictest0-21swapper/207:51:172
103279960,4cyclictest548-21systemd-logind10:25:202
103279960,3cyclictest0-21swapper/208:55:112
103199962,3cyclictest0-21swapper/111:05:201
103199960,6cyclictest0-21swapper/112:35:281
103199960,6cyclictest0-21swapper/111:47:451
103199960,6cyclictest0-21swapper/111:35:411
103199960,6cyclictest0-21swapper/111:12:131
103199960,6cyclictest0-21swapper/111:00:491
103199960,6cyclictest0-21swapper/111:00:491
103199960,6cyclictest0-21swapper/110:23:421
103199960,6cyclictest0-21swapper/109:46:171
103199960,6cyclictest0-21swapper/109:08:421
103199960,5cyclictest0-21swapper/109:35:251
103199960,5cyclictest0-21swapper/108:15:141
103199960,5cyclictest0-21swapper/107:59:521
103199960,5cyclictest0-21swapper/107:52:221
103199960,4cyclictest0-21swapper/110:15:161
103199960,4cyclictest0-21swapper/110:15:151
103199960,4cyclictest0-21swapper/110:05:041
103199960,4cyclictest0-21swapper/109:34:001
103199960,3cyclictest0-21swapper/109:14:241
103199960,1cyclictest0-21swapper/112:23:101
103199960,1cyclictest0-21swapper/111:54:361
103199960,1cyclictest0-21swapper/111:41:111
103199960,1cyclictest0-21swapper/111:41:111
103199960,0cyclictest0-21swapper/112:19:261
103199960,0cyclictest0-21swapper/111:32:561
103199960,0cyclictest0-21swapper/109:50:131
103189964,1cyclictest9-21ksoftirqd/008:40:200
103189964,1cyclictest9-21ksoftirqd/007:15:000
103189963,1cyclictest294-21systemd-udevd08:21:080
103189963,1cyclictest240-21systemd-journal08:54:090
103189962,2cyclictest0-21swapper/007:30:110
103189960,6cyclictest8307-1kworker/u9:210:05:150
103189960,0cyclictest0-21swapper/008:15:190
103299955,0cyclictest0-21swapper/307:37:253
103299953,1cyclictest27747-21apt-get07:45:113
103299953,1cyclictest23846-21apt-get08:45:123
103299951,3cyclictest30682-21perf09:00:003
103299951,1cyclictest19839-21grep08:35:163
103299950,3cyclictest0-21swapper/308:40:143
103299950,3cyclictest0-21swapper/307:15:163
103279955,0cyclictest61650irq/122-eno107:45:542
103279955,0cyclictest61650irq/122-eno107:31:072
103279950,2cyclictest0-21swapper/207:20:132
103199955,0cyclictest0-21swapper/111:20:091
103199953,1cyclictest2388-21chrt08:00:001
103199950,5cyclictest0-21swapper/111:28:471
103199950,5cyclictest0-21swapper/108:35:061
103199950,5cyclictest0-21swapper/108:28:591
103199950,5cyclictest0-21swapper/108:12:421
103199950,5cyclictest0-21swapper/107:37:091
103199950,4cyclictest1813-21chrt10:40:121
103199950,4cyclictest0-21swapper/110:45:181
103199950,4cyclictest0-21swapper/109:00:161
103199950,4cyclictest0-21swapper/107:49:221
103199950,4cyclictest0-21swapper/107:30:161
103199950,3cyclictest0-21swapper/111:18:051
103199950,3cyclictest0-21swapper/109:20:161
103199950,2cyclictest0-21swapper/112:25:231
103199950,2cyclictest0-21swapper/107:10:161
103199950,1cyclictest0-21swapper/110:38:301
103199950,1cyclictest0-21swapper/107:40:191
103199950,0cyclictest0-21swapper/110:00:111
103189950,5cyclictest0-21swapper/008:25:050
103299940,1cyclictest240-21systemd-journal07:20:003
103199944,0cyclictest0-21swapper/108:20:151
103199942,1cyclictest258132sleep108:48:141
103199941,1cyclictest0-21swapper/108:30:131
103199940,3cyclictest0-21swapper/112:30:171
103199940,3cyclictest0-21swapper/111:55:191
103199940,3cyclictest0-21swapper/108:45:001
103199940,3cyclictest0-21swapper/108:05:171
103199940,2cyclictest0-21swapper/110:50:141
103199940,2cyclictest0-21swapper/109:15:131
103199940,1cyclictest0-21swapper/112:10:121
103199940,1cyclictest0-21swapper/109:40:091
103199940,0cyclictest0-21swapper/108:50:211
103199932,1cyclictest285492sleep108:55:111
103199931,1cyclictest0-21swapper/107:25:121
103199931,1cyclictest0-21swapper/107:20:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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