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2026-08-14 - 10:47
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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 Fri Aug 14, 2026 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
53802207167,26sleep30-21swapper/319:08:303
54402204150,21sleep10-21swapper/119:09:171
51712201162,26sleep20-21swapper/219:05:482
53622198160,24sleep00-21swapper/019:08:140
38132590,0sleep20-21swapper/223:33:182
246212570,0sleep00-21swapper/000:02:280
5626991312,0cyclictest35-21ksoftirqd/322:15:013
5626991211,1cyclictest35-21ksoftirqd/300:15:003
5626991210,1cyclictest35-21ksoftirqd/320:00:003
561699120,0cyclictest0-21swapper/222:10:222
559799120,12cyclictest0-21swapper/121:49:101
5585991211,0cyclictest9-21ksoftirqd/022:35:000
5626991110,1cyclictest35-21ksoftirqd/323:15:003
562699110,10cyclictest11301-21snmpd20:00:123
561699119,1cyclictest28-21ksoftirqd/219:15:002
558599113,4cyclictest7092-21perf00:25:010
558599112,4cyclictest13576-21latency_hist19:25:000
558599111,4cyclictest17145-21apt-get20:40:110
562699109,1cyclictest35-21ksoftirqd/323:30:133
562699109,1cyclictest35-21ksoftirqd/321:15:013
561699108,1cyclictest28-21ksoftirqd/220:30:002
5597991010,0cyclictest0-21swapper/119:16:161
558599109,1cyclictest9-21ksoftirqd/023:05:130
558599109,1cyclictest9-21ksoftirqd/022:10:010
558599108,1cyclictest9-21ksoftirqd/022:10:130
558599108,1cyclictest9-21ksoftirqd/021:45:150
5585991010,0cyclictest9-21ksoftirqd/021:20:200
56269999,0cyclictest35-21ksoftirqd/322:20:003
56269999,0cyclictest35-21ksoftirqd/321:55:003
56269998,1cyclictest35-21ksoftirqd/322:25:003
56269997,1cyclictest35-21ksoftirqd/300:35:003
56169999,0cyclictest0-21swapper/221:05:152
55979990,4cyclictest0-21swapper/119:50:121
55859999,0cyclictest9-21ksoftirqd/022:30:130
55859999,0cyclictest9-21ksoftirqd/021:30:000
55859997,1cyclictest9-21ksoftirqd/022:45:140
55859997,1cyclictest9-21ksoftirqd/000:00:000
15928290,0sleep10-21swapper/121:31:501
11633290,0sleep10-21swapper/122:11:111
56269988,0cyclictest35-21ksoftirqd/322:55:013
56269988,0cyclictest35-21ksoftirqd/321:50:003
56269988,0cyclictest35-21ksoftirqd/320:10:003
56269987,1cyclictest35-21ksoftirqd/323:15:143
56269987,1cyclictest35-21ksoftirqd/323:00:013
56269987,1cyclictest35-21ksoftirqd/321:20:013
56269987,1cyclictest35-21ksoftirqd/320:50:003
56269987,1cyclictest35-21ksoftirqd/319:45:003
56269987,1cyclictest35-21ksoftirqd/300:10:003
56269980,5cyclictest0-21swapper/321:55:183
56169986,1cyclictest28-21ksoftirqd/220:45:002
56169986,1cyclictest11301-21snmpd22:46:312
56169986,1cyclictest11301-21snmpd19:29:312
56169983,4cyclictest7938-21munin-node22:31:152
56169981,4cyclictest15169-21apt-get23:50:112
56169980,4cyclictest0-21swapper/223:20:122
55979980,4cyclictest0-21swapper/123:10:191
55979980,4cyclictest0-21swapper/121:15:441
55859988,0cyclictest9-21ksoftirqd/023:05:000
55859987,1cyclictest9364-21ssh23:40:170
55859987,1cyclictest9-21ksoftirqd/019:45:010
55859987,1cyclictest23427-21ssh21:42:300
55859987,1cyclictest11301-21snmpd20:31:190
55859986,1cyclictest9-21ksoftirqd/023:10:140
55859986,1cyclictest11301-21snmpd20:52:370
55859986,1cyclictest11301-21snmpd19:30:400
55859983,4cyclictest30484-21apt-get20:00:120
55859980,7cyclictest2777-21ssh00:17:400
55859980,7cyclictest2183-21ssh21:14:450
55859980,7cyclictest19676-21ssh22:24:280
55859980,0cyclictest0-21swapper/022:50:140
56269976,1cyclictest35-21ksoftirqd/323:45:003
56269976,1cyclictest35-21ksoftirqd/323:25:003
56269976,1cyclictest35-21ksoftirqd/319:35:003
56269976,1cyclictest24831-21ntpq22:30:183
56269976,1cyclictest11301-21snmpd21:21:353
56269976,1cyclictest11301-21snmpd19:27:523
56269976,1cyclictest11301-21snmpd19:17:283
56269976,1cyclictest11301-21snmpd00:20:133
56269975,1cyclictest946-21ssh22:42:433
56269975,1cyclictest11301-21snmpd20:41:273
56269975,1cyclictest11301-21snmpd20:38:063
56269975,1cyclictest10352-21ssh00:29:243
56269974,1cyclictest240-21systemd-journal22:40:003
56269974,1cyclictest240-21systemd-journal22:05:003
56269974,1cyclictest240-21systemd-journal19:40:003
56269972,4cyclictest18664-21/usr/sbin/munin23:55:163
56269970,6cyclictest15605-1kworker/u9:221:34:393
56269970,5cyclictest0-21swapper/321:43:023
56169976,1cyclictest61650irq/122-eno123:15:142
56169976,1cyclictest61650irq/122-eno123:10:112
56169976,1cyclictest61650irq/122-eno122:42:242
56169976,1cyclictest61650irq/122-eno122:25:202
56169976,1cyclictest61650irq/122-eno122:07:182
56169976,1cyclictest61650irq/122-eno121:46:262
56169976,1cyclictest61650irq/122-eno119:45:312
56169976,1cyclictest61650irq/122-eno119:15:152
56169976,1cyclictest61650irq/122-eno100:20:312
56169976,1cyclictest61650irq/122-eno100:17:032
56169975,1cyclictest61650irq/122-eno123:40:172
56169975,1cyclictest61650irq/122-eno122:00:132
56169975,1cyclictest61650irq/122-eno121:10:192
56169975,1cyclictest61650irq/122-eno120:20:012
56169975,1cyclictest14585-21ssh23:01:172
56169975,1cyclictest11301-21snmpd22:18:302
56169975,1cyclictest11301-21snmpd21:03:492
56169975,1cyclictest11301-21snmpd20:33:272
56169973,1cyclictest240-21systemd-journal20:15:002
56169971,6cyclictest0-21swapper/200:33:042
56169971,5cyclictest11301-21snmpd21:51:302
56169971,4cyclictest16101-21uptime00:35:232
56169971,3cyclictest11410-21apt-get19:20:112
56169971,3cyclictest0-21swapper/222:53:102
56169971,2cyclictest32430-21latency_hist00:15:012
56169971,1cyclictest0-21swapper/219:40:112
56169970,7cyclictest61650irq/122-eno120:38:232
56169970,6cyclictest0-21swapper/220:45:132
56169970,4cyclictest0-21swapper/223:39:262
56169970,1cyclictest0-21swapper/223:30:002
56169970,1cyclictest0-21swapper/222:56:512
56169970,1cyclictest0-21swapper/221:15:082
56169970,1cyclictest0-21swapper/220:55:342
55979977,0cyclictest0-21swapper/120:17:211
55979971,6cyclictest0-21swapper/121:21:021
55979971,4cyclictest0-21swapper/120:00:121
55979970,4cyclictest0-21swapper/120:25:181
55979970,1cyclictest0-21swapper/120:56:281
55859977,0cyclictest9-21ksoftirqd/021:50:230
55859976,1cyclictest7938-21munin-node20:45:130
55859976,1cyclictest27673-21cat21:00:130
55859976,1cyclictest1087-21ssh23:30:040
55859976,0cyclictest9-21ksoftirqd/022:55:400
55859975,1cyclictest13536-21ssh23:45:370
55859975,1cyclictest11301-21snmpd21:07:310
55859975,1cyclictest11301-21snmpd19:57:200
55859975,1cyclictest11301-21snmpd00:28:220
55859971,6cyclictest4560-21ssh22:01:010
55859971,6cyclictest0-21swapper/019:14:400
55859971,6cyclictest0-21swapper/000:05:300
55859971,5cyclictest31259-21diskmemload23:25:110
55859971,5cyclictest11301-21snmpd22:15:130
55859971,4cyclictest693-21runrttasks20:08:540
55859971,3cyclictest26265-21diskstats19:50:140
55859970,6cyclictest31259-21diskmemload23:38:370
55859970,6cyclictest30837-21sh22:40:070
55859970,6cyclictest20760-21latency_hist19:40:000
55859970,6cyclictest17019-21latency_hist20:40:000
55859970,6cyclictest16770-21timerwakeupswit23:50:200
55859970,6cyclictest15028-21ssh00:35:160
55859970,3cyclictest11301-21snmpd21:15:560
55859970,1cyclictest23250-21ssh22:29:410
55859970,1cyclictest17964-21df_inode21:35:140
55859970,1cyclictest15111-21mailstats19:25:200
55859970,1cyclictest13643-21ssh00:33:420
55859970,1cyclictest0-21swapper/023:20:150
56269966,0cyclictest35-21ksoftirqd/319:25:013
56269965,1cyclictest35-21ksoftirqd/320:20:143
56269965,1cyclictest17543-21ssh23:52:163
56269965,1cyclictest11301-21snmpd22:48:103
56269965,1cyclictest11301-21snmpd21:06:433
56269965,1cyclictest11301-21snmpd20:51:073
56269965,1cyclictest11301-21snmpd20:34:033
56269965,1cyclictest11301-21snmpd20:14:543
56269965,1cyclictest11301-21snmpd00:01:513
56269965,0cyclictest31259-21diskmemload21:29:233
56269964,1cyclictest35-21ksoftirqd/320:20:013
56269964,1cyclictest12492-21ssh23:00:083
56269964,1cyclictest11301-21snmpd22:25:373
56269961,4cyclictest8153-21munin-node19:15:013
56269961,4cyclictest21112-21kworker/3:123:05:153
56269961,3cyclictest0-21swapper/322:06:533
56269961,1cyclictest0-21swapper/323:41:263
56269960,3cyclictest0-21swapper/321:37:103
56269960,0cyclictest0-21swapper/323:35:133
56169966,0cyclictest61650irq/122-eno123:45:112
56169966,0cyclictest61650irq/122-eno123:05:192
56169966,0cyclictest61650irq/122-eno121:56:152
56169966,0cyclictest61650irq/122-eno121:41:202
56169966,0cyclictest61650irq/122-eno121:30:272
56169966,0cyclictest61650irq/122-eno121:25:262
56169966,0cyclictest61650irq/122-eno121:20:142
56169966,0cyclictest61650irq/122-eno120:22:172
56169966,0cyclictest61650irq/122-eno120:06:022
56169966,0cyclictest61650irq/122-eno119:50:132
56169966,0cyclictest61650irq/122-eno100:25:112
56169965,1cyclictest19013-21ssh22:22:182
56169965,1cyclictest18833-21ssh23:55:102
56169965,1cyclictest11301-21snmpd20:50:462
56169964,1cyclictest61650irq/122-eno119:30:142
56169964,1cyclictest31648-21ntpq20:00:182
56169964,1cyclictest28497-21ntpq22:35:182
56169964,1cyclictest11301-21snmpd00:00:272
56169963,3cyclictest61650irq/122-eno100:06:472
56169960,5cyclictest0-21swapper/219:37:052
56169960,2cyclictest61650irq/122-eno121:36:122
55979966,0cyclictest0-21swapper/123:15:121
55979962,4cyclictest21-21ksoftirqd/122:30:201
55979961,5cyclictest0-21swapper/100:37:221
55979961,3cyclictest0-21swapper/119:35:001
55979960,6cyclictest0-21swapper/123:56:181
55979960,6cyclictest0-21swapper/121:37:541
55979960,6cyclictest0-21swapper/120:50:071
55979960,6cyclictest0-21swapper/120:07:081
55979960,6cyclictest0-21swapper/100:21:421
55979960,5cyclictest0-21swapper/123:05:151
55979960,5cyclictest0-21swapper/121:54:211
55979960,4cyclictest0-21swapper/123:30:121
55979960,4cyclictest0-21swapper/122:55:111
55979960,4cyclictest0-21swapper/122:35:261
55979960,4cyclictest0-21swapper/122:02:431
55979960,4cyclictest0-21swapper/100:00:311
55979960,3cyclictest0-21swapper/123:40:111
55979960,3cyclictest0-21swapper/122:08:551
55979960,3cyclictest0-21swapper/100:27:231
55979960,2cyclictest0-21swapper/122:28:251
55979960,2cyclictest0-21swapper/122:21:471
55979960,1cyclictest0-21swapper/123:51:481
55979960,1cyclictest0-21swapper/123:47:581
55979960,1cyclictest0-21swapper/123:35:111
55979960,1cyclictest0-21swapper/122:50:161
55979960,1cyclictest0-21swapper/122:44:371
55979960,1cyclictest0-21swapper/120:48:431
55979960,1cyclictest0-21swapper/100:14:091
55859965,1cyclictest7737-21telnet20:20:110
55859965,1cyclictest30466-21ssh00:10:180
55859964,1cyclictest11301-21snmpd20:13:030
55859964,1cyclictest11248-21awk20:25:170
55859963,3cyclictest693-21runrttasks19:41:070
55859962,2cyclictest548-21systemd-logind21:55:210
55859960,5cyclictest0-21swapper/021:30:440
55859960,0cyclictest0-21swapper/023:15:190
55859960,0cyclictest0-21swapper/020:55:150
55859960,0cyclictest0-21swapper/019:16:200
56269954,1cyclictest35-21ksoftirqd/300:35:003
56269953,1cyclictest31259-21diskmemload23:27:573
56269953,1cyclictest22970-21ls19:45:003
56269953,0cyclictest24409-21apt-get20:55:113
56269952,1cyclictest13650irq/124-ahci[0020:29:563
56269950,4cyclictest351-21cut00:15:133
56269950,3cyclictest28157-21mailstats21:00:173
56269950,1cyclictest0-21swapper/319:50:143
56169955,0cyclictest61650irq/122-eno119:56:052
55979951,3cyclictest0-21swapper/121:41:251
55979951,2cyclictest0-21swapper/119:47:451
55979951,1cyclictest0-21swapper/122:45:161
55979950,5cyclictest0-21swapper/123:24:441
55979950,5cyclictest0-21swapper/122:16:241
55979950,5cyclictest0-21swapper/121:06:311
55979950,5cyclictest0-21swapper/120:30:121
55979950,5cyclictest0-21swapper/120:11:451
55979950,5cyclictest0-21swapper/119:59:141
55979950,5cyclictest0-21swapper/119:39:471
55979950,5cyclictest0-21swapper/119:27:311
55979950,4cyclictest0-21swapper/121:25:141
55979950,4cyclictest0-21swapper/100:31:231
55979950,3cyclictest0-21swapper/100:15:571
55979950,2cyclictest0-21swapper/121:13:411
55979950,2cyclictest0-21swapper/119:20:181
55979950,1cyclictest0-21swapper/123:25:491
55979950,1cyclictest0-21swapper/123:00:231
55979950,1cyclictest0-21swapper/121:55:151
55979950,1cyclictest0-21swapper/120:35:151
55979950,1cyclictest0-21swapper/100:05:021
55859954,1cyclictest5321-21/usr/sbin/munin20:15:170
55979943,1cyclictest288522sleep121:04:301
55979940,4cyclictest0-21swapper/120:20:131
55979940,4cyclictest0-21swapper/119:40:531
55979940,3cyclictest0-21swapper/119:10:161
55979940,1cyclictest0-21swapper/120:40:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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