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2026-08-28 - 23:44
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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 Fri Aug 28, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79792218157,47sleep10-21swapper/107:05:481
79792218157,47sleep10-21swapper/107:05:481
82612213150,51sleep30-21swapper/307:09:283
82612213150,51sleep30-21swapper/307:09:283
80502201161,26sleep00-21swapper/007:06:440
80502201161,26sleep00-21swapper/007:06:440
81442199160,25sleep20-21swapper/207:07:582
81442199160,25sleep20-21swapper/207:07:582
141482830,0sleep20-21swapper/212:30:192
116902660,0sleep00-21swapper/009:24:290
318852610,0sleep20-21swapper/209:51:102
206392570,0sleep10-21swapper/109:35:151
172552510,1sleep2839999cyclictest12:35:152
232812190,0sleep10-21swapper/109:40:121
251812160,1sleep318368-21kworker/3:011:15:143
8406991210,1cyclictest35-21ksoftirqd/308:20:003
8399991211,1cyclictest28-21ksoftirqd/212:20:452
838599124,4cyclictest10787-21cut07:15:010
8406991110,1cyclictest35-21ksoftirqd/311:15:003
839999119,1cyclictest28-21ksoftirqd/211:40:172
839999119,1cyclictest28-21ksoftirqd/210:48:472
8399991111,0cyclictest28-21ksoftirqd/211:30:132
8399991110,1cyclictest28-21ksoftirqd/212:05:002
8399991110,1cyclictest28-21ksoftirqd/210:53:252
8399991110,1cyclictest28-21ksoftirqd/210:40:212
8399991110,1cyclictest28-21ksoftirqd/209:32:432
8399991110,1cyclictest28-21ksoftirqd/209:21:292
838599118,1cyclictest9-21ksoftirqd/007:50:000
838599112,4cyclictest31360-21perf09:05:010
838599111,5cyclictest31526-21perf11:25:000
840699108,1cyclictest16976-21apt-get08:35:113
840699100,5cyclictest29851-21apt-get09:50:113
839999109,1cyclictest28-21ksoftirqd/212:18:222
839999109,1cyclictest28-21ksoftirqd/212:10:132
839999109,1cyclictest28-21ksoftirqd/211:48:092
839999109,1cyclictest28-21ksoftirqd/211:36:342
839999109,1cyclictest28-21ksoftirqd/211:20:182
839999109,1cyclictest28-21ksoftirqd/211:00:222
839999109,1cyclictest28-21ksoftirqd/210:17:252
839999109,1cyclictest28-21ksoftirqd/210:11:022
839999109,1cyclictest28-21ksoftirqd/210:07:082
839999109,1cyclictest28-21ksoftirqd/210:00:112
839999109,1cyclictest28-21ksoftirqd/207:20:202
839999100,9cyclictest10748-21munin-node09:41:472
838599100,8cyclictest22305-21apt-get10:25:120
4202100,0sleep30-21swapper/312:10:373
38302100,0sleep10-21swapper/109:58:231
84069998,1cyclictest35-21ksoftirqd/308:50:003
84069998,1cyclictest1243-21diskmemload10:21:363
83999999,0cyclictest28-21ksoftirqd/210:35:122
83999998,1cyclictest28-21ksoftirqd/211:17:332
83999998,1cyclictest28-21ksoftirqd/211:10:152
83999998,1cyclictest28-21ksoftirqd/210:55:172
83999998,1cyclictest28-21ksoftirqd/210:25:152
83999998,1cyclictest28-21ksoftirqd/209:57:062
83999998,1cyclictest28-21ksoftirqd/209:35:092
83999998,1cyclictest28-21ksoftirqd/208:40:012
83999997,1cyclictest28-21ksoftirqd/211:50:212
83999990,9cyclictest0-21swapper/209:28:272
83859995,2cyclictest240-21systemd-journal12:30:000
83859991,4cyclictest18528-21cat07:30:000
83859990,6cyclictest0-21swapper/010:15:140
83859990,6cyclictest0-21swapper/007:35:110
84069987,1cyclictest35-21ksoftirqd/307:15:013
84069986,1cyclictest11301-21snmpd10:06:433
84069986,1cyclictest11301-21snmpd09:06:203
84069986,1cyclictest11301-21snmpd08:24:373
83999988,0cyclictest28-21ksoftirqd/212:29:052
83999988,0cyclictest28-21ksoftirqd/208:45:192
83999987,1cyclictest28-21ksoftirqd/210:20:122
83999987,1cyclictest28-21ksoftirqd/209:45:152
83999987,1cyclictest28-21ksoftirqd/209:17:222
83999987,1cyclictest28-21ksoftirqd/208:50:202
83999987,1cyclictest28-21ksoftirqd/208:25:182
83999987,1cyclictest28-21ksoftirqd/207:15:192
83999986,1cyclictest28-21ksoftirqd/207:50:192
83999983,4cyclictest18723-21apt-get07:30:112
83999980,8cyclictest0-21swapper/211:05:542
83909981,5cyclictest0-21swapper/110:16:561
83859988,0cyclictest1243-21diskmemload10:36:240
83859986,1cyclictest1243-21diskmemload09:43:450
83859986,1cyclictest11301-21snmpd11:15:000
83859986,1cyclictest11301-21snmpd08:26:250
83859982,5cyclictest11301-21snmpd12:30:050
83859982,4cyclictest21471-21kworker/u8:112:15:450
83859981,6cyclictest6976-21ssh09:16:110
83859981,6cyclictest21019-21ssh10:21:430
83859981,6cyclictest0-21swapper/011:55:330
83859981,6cyclictest0-21swapper/011:13:120
83859980,7cyclictest3353-21ssh11:30:130
83859980,7cyclictest1672-21ssh11:27:090
83859980,1cyclictest0-21swapper/009:36:060
26300280,0sleep30-21swapper/310:30:133
25814280,0sleep30-21swapper/309:44:113
84069976,1cyclictest35-21ksoftirqd/309:20:003
84069976,1cyclictest35-21ksoftirqd/307:20:013
84069976,1cyclictest22816-21ssh11:57:383
84069976,1cyclictest11301-21snmpd08:01:543
84069975,1cyclictest35-21ksoftirqd/311:10:003
84069975,1cyclictest35-21ksoftirqd/307:45:003
84069975,1cyclictest31400-21cat07:55:153
84069975,1cyclictest3010-21sh09:55:413
84069975,1cyclictest27342-21apt-get12:05:103
84069975,1cyclictest24346-21ssh10:26:133
84069975,1cyclictest11301-21snmpd10:46:233
84069975,1cyclictest11301-21snmpd08:50:263
84069973,1cyclictest1243-21diskmemload09:23:183
84069971,3cyclictest1243-21diskmemload10:37:423
84069970,6cyclictest20509-21ntpq09:35:143
84069970,4cyclictest28822-21fschecks_count11:20:133
84069970,3cyclictest0-21swapper/312:16:243
84069970,3cyclictest0-21swapper/310:53:463
83999977,0cyclictest28-21ksoftirqd/210:30:102
83999977,0cyclictest28-21ksoftirqd/207:55:152
83999977,0cyclictest28-21ksoftirqd/207:45:152
83999977,0cyclictest28-21ksoftirqd/207:40:102
83999976,1cyclictest61650irq/122-eno111:57:302
83999976,1cyclictest61650irq/122-eno111:25:102
83999976,1cyclictest61650irq/122-eno108:03:272
83999976,1cyclictest28-21ksoftirqd/209:10:102
83999976,1cyclictest28-21ksoftirqd/208:35:122
83999975,1cyclictest28-21ksoftirqd/212:05:132
83999975,1cyclictest28-21ksoftirqd/208:10:202
83999975,1cyclictest28-21ksoftirqd/207:25:142
83909974,0cyclictest0-21swapper/112:12:411
83909971,6cyclictest0-21swapper/110:41:531
83909971,3cyclictest0-21swapper/111:55:121
83909971,1cyclictest0-21swapper/111:49:251
83909971,1cyclictest0-21swapper/107:36:291
83909970,6cyclictest0-21swapper/111:43:371
83909970,6cyclictest0-21swapper/108:21:221
83909970,5cyclictest0-21swapper/111:52:521
83909970,1cyclictest0-21swapper/112:05:041
83909970,1cyclictest0-21swapper/107:55:151
83859976,1cyclictest24941-1kworker/u9:209:51:130
83859976,1cyclictest11301-21snmpd11:50:040
83859975,1cyclictest9-21ksoftirqd/008:45:120
83859975,1cyclictest11301-21snmpd12:36:380
83859975,1cyclictest11301-21snmpd09:30:030
83859975,1cyclictest11301-21snmpd08:55:260
83859975,1cyclictest11301-21snmpd08:33:190
83859975,1cyclictest11301-21snmpd07:16:400
83859972,4cyclictest0-21swapper/011:35:200
83859971,6cyclictest6579-21ssh10:00:530
83859971,6cyclictest0-21swapper/008:08:510
83859971,5cyclictest7313-21/usr/sbin/munin10:50:140
83859971,5cyclictest1243-21diskmemload11:05:110
83859971,1cyclictest11805-21ssh10:10:090
83859970,6cyclictest7841-21apt-get10:05:010
83859970,6cyclictest31095-21aten_r1power_fr12:10:110
83859970,6cyclictest28897-21sed12:05:200
83859970,6cyclictest27852-21ssh10:31:160
83859970,6cyclictest26865-21df09:45:140
83859970,6cyclictest26642-21ssh12:03:400
83859970,6cyclictest19529-21hddtemp_smartct07:30:140
83859970,6cyclictest1610-21aten_r1power_po09:10:130
83859970,6cyclictest12012-21grep10:55:170
83859970,6cyclictest0-21swapper/011:40:160
83859970,6cyclictest0-21swapper/009:25:150
83859970,5cyclictest0-21swapper/008:20:110
83859970,2cyclictest0-21swapper/008:15:110
83859970,1cyclictest5727-21ssh12:20:030
83859970,1cyclictest16122-21ssh11:48:320
83859970,1cyclictest15532-21open_files11:00:170
83859970,1cyclictest0-21swapper/009:55:170
83859970,1cyclictest0-21swapper/008:55:000
84069966,0cyclictest35-21ksoftirqd/308:55:013
84069966,0cyclictest18368-21kworker/3:008:42:023
84069965,1cyclictest28656-21ssh09:47:023
84069965,1cyclictest19611-21cat07:30:143
84069965,1cyclictest18045-21ssh11:50:203
84069965,1cyclictest1747-21ntpd11:00:483
84069965,1cyclictest15420-21sensors07:20:193
84069965,1cyclictest14714-21ssh09:27:383
84069965,1cyclictest14302-21ssh10:12:403
84069965,1cyclictest12665-21ssh10:55:303
84069965,1cyclictest11301-21snmpd09:00:293
84069965,1cyclictest11301-21snmpd07:25:593
84069964,1cyclictest1691-21ssh11:27:133
84069964,1cyclictest16144-21ssh11:48:373
84069963,2cyclictest0-21swapper/309:30:093
84069963,1cyclictest13650irq/124-ahci[0007:55:003
84069962,3cyclictest11301-21snmpd11:36:313
84069961,3cyclictest1243-21diskmemload10:00:113
84069961,2cyclictest0-21swapper/311:30:583
84069960,3cyclictest0-21swapper/312:28:423
84069960,3cyclictest0-21swapper/312:04:493
84069960,1cyclictest6960-21ntp_states12:20:183
84069960,0cyclictest0-21swapper/310:43:513
83999966,0cyclictest61650irq/122-eno108:55:122
83999966,0cyclictest61650irq/122-eno107:36:312
83999965,1cyclictest61650irq/122-eno107:10:102
83999965,1cyclictest28-21ksoftirqd/209:10:002
83999965,1cyclictest28-21ksoftirqd/209:00:122
83999965,1cyclictest28-21ksoftirqd/208:15:142
83999964,1cyclictest28-21ksoftirqd/208:35:002
83999960,5cyclictest0-21swapper/208:05:052
83909960,6cyclictest0-21swapper/112:37:101
83909960,6cyclictest0-21swapper/111:31:461
83909960,6cyclictest0-21swapper/109:50:401
83909960,6cyclictest0-21swapper/109:26:501
83909960,6cyclictest0-21swapper/109:16:081
83909960,6cyclictest0-21swapper/108:19:391
83909960,6cyclictest0-21swapper/108:03:391
83909960,5cyclictest0-21swapper/108:55:151
83909960,4cyclictest0-21swapper/112:04:591
83909960,4cyclictest0-21swapper/111:20:151
83909960,4cyclictest0-21swapper/110:31:011
83909960,4cyclictest0-21swapper/110:22:501
83909960,3cyclictest0-21swapper/109:12:521
83909960,2cyclictest0-21swapper/110:53:041
83909960,2cyclictest0-21swapper/110:25:121
83909960,1cyclictest0-21swapper/110:07:201
83909960,1cyclictest0-21swapper/109:45:121
83909960,0cyclictest0-21swapper/111:15:201
83909960,0cyclictest0-21swapper/109:32:531
83859965,1cyclictest11301-21snmpd08:01:480
83859965,1cyclictest11301-21snmpd07:56:290
83859964,1cyclictest4561-21perl10:45:140
83859960,6cyclictest31964-1kworker/u9:210:40:180
83859960,6cyclictest0-21swapper/007:20:110
83859960,5cyclictest0-21swapper/007:50:020
83859960,3cyclictest0-21swapper/008:40:150
83859960,0cyclictest23452-21apt-get07:40:100
83859960,0cyclictest0-21swapper/009:05:170
84069954,1cyclictest22457-21systemctl07:35:193
84069954,1cyclictest11783-21ssh11:40:453
84069952,0cyclictest1243-21diskmemload09:11:283
84069950,5cyclictest0-21swapper/312:35:073
84069950,4cyclictest15474-21aten_r1power_vo10:15:153
84069950,3cyclictest1243-21diskmemload12:32:083
84069950,2cyclictest0-21swapper/308:25:153
84069950,1cyclictest0-21swapper/308:30:133
83999954,1cyclictest28-21ksoftirqd/208:20:102
83909955,0cyclictest0-21swapper/112:22:211
83909955,0cyclictest0-21swapper/110:48:551
83909954,1cyclictest0-21swapper/107:10:141
83909952,3cyclictest0-21swapper/111:11:101
83909952,2cyclictest0-21swapper/109:05:011
83909951,3cyclictest0-21swapper/110:04:211
83909951,2cyclictest0-21swapper/110:55:131
83909951,1cyclictest0-21swapper/108:35:111
83909950,5cyclictest0-21swapper/111:25:081
83909950,5cyclictest0-21swapper/111:09:421
83909950,5cyclictest0-21swapper/110:35:201
83909950,5cyclictest0-21swapper/108:45:201
83909950,5cyclictest0-21swapper/107:40:141
83909950,4cyclictest0-21swapper/112:31:021
83909950,4cyclictest0-21swapper/108:30:541
83909950,4cyclictest0-21swapper/108:15:011
83909950,4cyclictest0-21swapper/107:55:001
83909950,3cyclictest0-21swapper/108:05:141
83909950,2cyclictest0-21swapper/112:15:221
83909950,2cyclictest0-21swapper/111:03:061
83909950,2cyclictest0-21swapper/109:20:091
83909950,1cyclictest0-21swapper/107:45:111
83909950,0cyclictest0-21swapper/110:11:221
83859950,4cyclictest16973-21/usr/sbin/munin08:35:200
83859950,0cyclictest0-21swapper/008:10:110
84069943,1cyclictest7234-21sshd08:14:293
84069943,1cyclictest2979-21grep08:05:133
84069942,1cyclictest25916-21aten_r1power_po07:45:123
83909940,4cyclictest0-21swapper/108:52:501
83909940,4cyclictest0-21swapper/108:25:201
83909940,3cyclictest0-21swapper/112:27:001
83909940,3cyclictest0-21swapper/111:35:201
83909940,3cyclictest0-21swapper/107:15:141
83909940,2cyclictest0-21swapper/109:05:121
83909940,1cyclictest0-21swapper/108:40:011
83909940,1cyclictest0-21swapper/107:30:111
83909940,0cyclictest0-21swapper/107:20:191
83909930,1cyclictest0-21swapper/107:25:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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