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2026-03-24 - 15:49
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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 Tue Mar 24, 2026 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185142232155,26sleep00-21swapper/007:05:590
186842203148,21sleep10-21swapper/107:08:141
187972202162,26sleep30-21swapper/307:09:403
187172202163,26sleep20-21swapper/207:08:402
92802600,0sleep30-21swapper/309:45:503
128282570,0sleep30-21swapper/310:33:213
251122220,0sleep20-21swapper/211:30:202
18927991818,0cyclictest35-21ksoftirqd/311:10:213
18927991716,1cyclictest35-21ksoftirqd/309:30:113
18927991616,0cyclictest35-21ksoftirqd/311:47:453
18927991615,1cyclictest35-21ksoftirqd/312:00:003
18927991615,1cyclictest35-21ksoftirqd/309:55:133
18927991515,0cyclictest35-21ksoftirqd/311:53:463
18927991515,0cyclictest35-21ksoftirqd/309:22:373
18927991513,1cyclictest35-21ksoftirqd/307:15:213
11432150,0sleep30-21swapper/309:35:223
18927991414,0cyclictest35-21ksoftirqd/310:06:523
18927991414,0cyclictest35-21ksoftirqd/310:01:293
18927991414,0cyclictest35-21ksoftirqd/309:52:243
18927991414,0cyclictest35-21ksoftirqd/309:43:543
18898991413,1cyclictest9-21ksoftirqd/009:25:000
18927991313,0cyclictest35-21ksoftirqd/312:31:293
18927991313,0cyclictest35-21ksoftirqd/311:23:433
18927991313,0cyclictest35-21ksoftirqd/311:06:123
18927991313,0cyclictest35-21ksoftirqd/310:57:003
18927991313,0cyclictest35-21ksoftirqd/310:12:563
18927991313,0cyclictest35-21ksoftirqd/308:35:143
18927991312,0cyclictest35-21ksoftirqd/311:55:113
18927991311,1cyclictest35-21ksoftirqd/311:25:203
18927991311,1cyclictest35-21ksoftirqd/311:25:193
18927991311,1cyclictest35-21ksoftirqd/309:20:003
18898991310,1cyclictest9-21ksoftirqd/011:25:010
18927991212,0cyclictest35-21ksoftirqd/312:35:303
18927991212,0cyclictest35-21ksoftirqd/312:06:373
18927991212,0cyclictest35-21ksoftirqd/311:40:353
18927991212,0cyclictest35-21ksoftirqd/310:45:143
18927991212,0cyclictest35-21ksoftirqd/310:45:013
18927991211,1cyclictest35-21ksoftirqd/312:10:163
18927991211,1cyclictest35-21ksoftirqd/311:35:183
18927991211,1cyclictest35-21ksoftirqd/311:15:163
18927991211,1cyclictest35-21ksoftirqd/310:40:003
18927991211,1cyclictest35-21ksoftirqd/310:20:203
18927991211,1cyclictest35-21ksoftirqd/310:15:133
18927991211,1cyclictest35-21ksoftirqd/308:55:013
18927991211,1cyclictest35-21ksoftirqd/307:45:003
18927991211,1cyclictest35-21ksoftirqd/307:35:003
18927991210,1cyclictest919-21cut11:00:143
18927991210,1cyclictest35-21ksoftirqd/312:20:123
18927991210,1cyclictest35-21ksoftirqd/312:20:123
18927991210,1cyclictest35-21ksoftirqd/312:15:203
18927991210,1cyclictest35-21ksoftirqd/309:25:153
18927991210,1cyclictest35-21ksoftirqd/308:20:003
18927991210,1cyclictest35-21ksoftirqd/308:00:153
18927991210,1cyclictest35-21ksoftirqd/307:50:143
18927991210,1cyclictest35-21ksoftirqd/307:25:203
1892099120,11cyclictest61650irq/122-eno108:55:152
18907991212,0cyclictest0-21swapper/108:05:141
1892799119,1cyclictest35-21ksoftirqd/311:30:123
1892799119,1cyclictest35-21ksoftirqd/310:50:153
1892799119,1cyclictest35-21ksoftirqd/308:30:173
18927991111,0cyclictest35-21ksoftirqd/308:05:513
18927991111,0cyclictest35-21ksoftirqd/307:59:593
18927991110,1cyclictest35-21ksoftirqd/312:25:223
18927991110,1cyclictest35-21ksoftirqd/310:25:123
18927991110,1cyclictest35-21ksoftirqd/309:10:153
18927991110,1cyclictest35-21ksoftirqd/309:05:203
18927991110,1cyclictest35-21ksoftirqd/309:00:193
18927991110,1cyclictest35-21ksoftirqd/308:50:003
18927991110,1cyclictest35-21ksoftirqd/308:40:123
18927991110,1cyclictest35-21ksoftirqd/308:10:203
18927991110,1cyclictest35-21ksoftirqd/307:35:133
18927991110,1cyclictest35-21ksoftirqd/307:35:133
18927991110,1cyclictest35-21ksoftirqd/307:20:173
18927991110,1cyclictest35-21ksoftirqd/307:15:003
1892099110,11cyclictest0-21swapper/212:08:412
18907991111,0cyclictest0-21swapper/111:31:161
1889899119,1cyclictest9-21ksoftirqd/009:30:010
1889899112,4cyclictest5811-21date10:25:000
1892799109,1cyclictest35-21ksoftirqd/308:25:143
1892799109,1cyclictest35-21ksoftirqd/308:20:113
1892799108,1cyclictest35-21ksoftirqd/307:45:123
18927991010,0cyclictest35-21ksoftirqd/308:55:153
1892099108,1cyclictest28-21ksoftirqd/207:35:002
1892099103,4cyclictest61650irq/122-eno112:00:172
1892099100,9cyclictest0-21swapper/209:48:162
1892099100,8cyclictest707-21snmpd11:45:522
1889899109,1cyclictest9-21ksoftirqd/011:00:010
1889899109,1cyclictest9-21ksoftirqd/007:56:580
1889899108,1cyclictest9-21ksoftirqd/011:40:010
31613290,0sleep10-21swapper/110:57:031
189209998,1cyclictest28-21ksoftirqd/212:27:032
189209990,8cyclictest27637-21apt-get11:35:142
188989998,1cyclictest9-21ksoftirqd/010:10:150
188989997,1cyclictest9-21ksoftirqd/012:20:010
188989997,1cyclictest9-21ksoftirqd/008:30:000
189209986,1cyclictest707-21snmpd10:53:242
189209986,1cyclictest707-21snmpd08:04:212
189209986,1cyclictest61650irq/122-eno110:33:352
189209986,1cyclictest61650irq/122-eno109:50:142
189209982,4cyclictest31596-21apt-get07:35:112
189209982,4cyclictest31596-21apt-get07:35:102
189209982,4cyclictest19111-21apt-get07:10:112
189209981,1cyclictest0-21swapper/208:17:342
189209980,7cyclictest24958-21sshd08:28:202
189079981,6cyclictest0-21swapper/110:49:031
188989987,1cyclictest9-21ksoftirqd/011:05:000
188989986,1cyclictest9-21ksoftirqd/010:15:160
188989986,1cyclictest9-21ksoftirqd/008:25:000
188989983,4cyclictest11555-21diskmemload09:13:550
188989980,7cyclictest28973-21ssh09:30:160
188989980,5cyclictest0-21swapper/009:42:370
189209976,1cyclictest61650irq/122-eno112:18:582
189209976,1cyclictest61650irq/122-eno112:10:182
189209976,1cyclictest61650irq/122-eno111:55:112
189209976,1cyclictest61650irq/122-eno111:26:362
189209976,1cyclictest61650irq/122-eno111:26:362
189209976,1cyclictest61650irq/122-eno111:16:252
189209976,1cyclictest61650irq/122-eno109:30:172
189209976,0cyclictest61650irq/122-eno109:40:172
189209975,1cyclictest707-21snmpd08:20:482
189209975,1cyclictest707-21snmpd07:23:472
189209975,1cyclictest61650irq/122-eno111:50:142
189209975,1cyclictest61650irq/122-eno110:00:122
189209975,1cyclictest61650irq/122-eno109:55:152
189209975,1cyclictest31195-21ssh10:55:572
189209972,3cyclictest240-21systemd-journal07:17:002
189209972,1cyclictest9432-21apt-get09:05:122
189209971,1cyclictest20727-21/usr/sbin/munin09:20:162
189209970,6cyclictest21264-21munin-node08:12:072
189209970,5cyclictest11555-21diskmemload10:15:192
189209970,4cyclictest0-21swapper/211:42:122
189209970,1cyclictest0-21swapper/210:46:592
189209970,1cyclictest0-21swapper/209:25:122
189209970,1cyclictest0-21swapper/209:16:032
189079972,2cyclictest0-21swapper/109:54:591
189079971,6cyclictest0-21swapper/112:02:381
189079971,6cyclictest0-21swapper/109:49:121
189079971,4cyclictest0-21swapper/107:45:121
189079970,6cyclictest0-21swapper/111:46:081
189079970,1cyclictest0-21swapper/110:52:051
188989976,1cyclictest9-21ksoftirqd/012:05:010
188989976,1cyclictest9-21ksoftirqd/009:55:140
188989976,1cyclictest9-21ksoftirqd/009:10:000
188989976,1cyclictest9-21ksoftirqd/008:45:010
188989976,1cyclictest9-21ksoftirqd/008:35:000
188989976,1cyclictest20736-1kworker/u9:212:09:140
188989976,1cyclictest17735-1kworker/u9:110:03:350
188989976,1cyclictest11780-1kworker/u9:111:15:170
188989976,1cyclictest10739-21ssh11:11:560
188989975,1cyclictest9-21ksoftirqd/011:45:160
188989975,1cyclictest9-21ksoftirqd/008:55:000
188989975,1cyclictest9-21ksoftirqd/008:40:000
188989975,1cyclictest9-21ksoftirqd/008:15:170
188989975,1cyclictest9-21ksoftirqd/007:45:100
188989975,1cyclictest707-21snmpd12:25:500
188989975,1cyclictest707-21snmpd08:06:210
188989975,1cyclictest707-21snmpd07:36:380
188989975,1cyclictest707-21snmpd07:36:380
188989975,1cyclictest24297-21perf07:20:000
188989975,1cyclictest10354-21ssh09:48:420
188989974,2cyclictest9-21ksoftirqd/010:50:120
188989973,2cyclictest548-21systemd-logind09:50:200
188989973,1cyclictest240-21systemd-journal10:45:000
188989970,6cyclictest29987-21ssh12:20:000
188989970,6cyclictest29987-21ssh12:20:000
188989970,6cyclictest2333-21fschecks_count07:40:140
188989970,6cyclictest16483-21cut09:15:140
188989970,6cyclictest0-21swapper/008:03:400
188989970,2cyclictest0-21swapper/010:30:120
188989970,1cyclictest6893-21ssh11:50:110
188989970,1cyclictest4467-21ssh11:05:120
188989970,1cyclictest26540-21ssh10:09:400
188989970,1cyclictest1477-21ssh11:42:030
188989970,1cyclictest11555-21diskmemload10:38:320
188989970,1cyclictest0-21swapper/008:47:320
188989970,1cyclictest0-21swapper/007:28:380
189209966,0cyclictest61650irq/122-eno112:35:022
189209966,0cyclictest61650irq/122-eno112:30:222
189209966,0cyclictest61650irq/122-eno112:21:002
189209966,0cyclictest61650irq/122-eno112:20:592
189209966,0cyclictest61650irq/122-eno111:20:132
189209966,0cyclictest61650irq/122-eno111:10:122
189209966,0cyclictest61650irq/122-eno110:25:092
189209966,0cyclictest61650irq/122-eno110:20:092
189209966,0cyclictest61650irq/122-eno110:10:032
189209966,0cyclictest61650irq/122-eno110:05:022
189209966,0cyclictest61650irq/122-eno109:35:252
189209966,0cyclictest61650irq/122-eno109:10:142
189209966,0cyclictest61650irq/122-eno109:01:432
189209966,0cyclictest61650irq/122-eno107:25:212
189209965,1cyclictest707-21snmpd08:33:012
189209965,1cyclictest61650irq/122-eno110:35:182
189209964,1cyclictest707-21snmpd10:40:112
189209964,1cyclictest61650irq/122-eno108:05:132
189209964,1cyclictest61650irq/122-eno107:50:172
189209964,1cyclictest61650irq/122-eno107:40:132
189209964,1cyclictest31199-21ntpq08:40:182
189209964,1cyclictest1747-21ntpd11:00:582
189209961,4cyclictest11555-21diskmemload11:05:202
189209961,4cyclictest0-21swapper/207:45:112
189209960,6cyclictest0-21swapper/207:58:432
189079966,0cyclictest0-21swapper/109:36:431
189079960,6cyclictest0-21swapper/112:37:001
189079960,6cyclictest0-21swapper/111:52:541
189079960,6cyclictest0-21swapper/111:42:161
189079960,6cyclictest0-21swapper/108:53:471
189079960,6cyclictest0-21swapper/108:42:351
189079960,6cyclictest0-21swapper/108:22:211
189079960,6cyclictest0-21swapper/107:24:151
189079960,6cyclictest0-21swapper/107:19:401
189079960,5cyclictest0-21swapper/110:20:341
189079960,5cyclictest0-21swapper/109:07:291
189079960,4cyclictest0-21swapper/110:35:151
189079960,4cyclictest0-21swapper/110:05:501
189079960,3cyclictest0-21swapper/112:08:101
189079960,2cyclictest0-21swapper/111:25:221
189079960,2cyclictest0-21swapper/111:25:211
189079960,0cyclictest0-21swapper/109:13:461
188989965,1cyclictest733-21sshd08:14:210
188989965,1cyclictest25645-21ssh11:30:310
188989965,1cyclictest20736-1kworker/u9:212:10:160
188989964,1cyclictest7797-21grep10:25:200
188989964,1cyclictest17554-21ssh10:40:010
188989964,1cyclictest0-21swapper/008:55:210
188989961,2cyclictest11555-21diskmemload12:36:270
188989960,6cyclictest21243-21wc11:25:200
188989960,6cyclictest21243-21wc11:25:200
188989960,6cyclictest0-21swapper/009:03:290
188989960,5cyclictest11107-21ssh11:55:140
188989960,4cyclictest6759-21awk12:30:180
188989960,1cyclictest0-21swapper/007:30:160
188989960,1cyclictest0-21swapper/007:14:470
188989960,0cyclictest0-21swapper/009:35:010
189209955,0cyclictest61650irq/122-eno108:45:102
189209955,0cyclictest61650irq/122-eno108:36:292
189209950,1cyclictest2860-21diskstats08:50:142
189079955,0cyclictest0-21swapper/111:13:061
189079955,0cyclictest0-21swapper/110:00:111
189079953,1cyclictest111902sleep108:00:121
189079951,4cyclictest0-21swapper/107:13:021
189079951,3cyclictest0-21swapper/110:40:151
189079950,5cyclictest0-21swapper/112:14:031
189079950,5cyclictest0-21swapper/111:19:191
189079950,5cyclictest0-21swapper/111:08:081
189079950,5cyclictest0-21swapper/110:14:431
189079950,5cyclictest0-21swapper/109:32:001
189079950,5cyclictest0-21swapper/108:12:331
189079950,5cyclictest0-21swapper/107:57:501
189079950,5cyclictest0-21swapper/107:40:281
189079950,4cyclictest0-21swapper/111:56:431
189079950,4cyclictest0-21swapper/108:25:161
189079950,3cyclictest0-21swapper/112:33:281
189079950,3cyclictest0-21swapper/112:20:171
189079950,3cyclictest0-21swapper/112:20:161
189079950,3cyclictest0-21swapper/109:00:131
189079950,2cyclictest0-21swapper/112:15:181
189079950,1cyclictest0-21swapper/110:25:131
189079950,0cyclictest0-21swapper/112:25:331
189079950,0cyclictest0-21swapper/107:50:241
189079950,0cyclictest0-21swapper/107:39:041
189079950,0cyclictest0-21swapper/107:39:031
189079950,0cyclictest0-21swapper/107:25:541
188989954,1cyclictest9-21ksoftirqd/007:50:130
188989950,5cyclictest25420-21/usr/sbin/munin07:20:140
189079944,0cyclictest0-21swapper/109:21:531
189079944,0cyclictest0-21swapper/108:55:061
189079941,1cyclictest0-21swapper/108:45:161
189079940,4cyclictest0-21swapper/108:35:491
189079940,4cyclictest0-21swapper/108:31:231
189079940,3cyclictest0-21swapper/110:15:041
189079940,3cyclictest0-21swapper/109:55:131
189079940,2cyclictest0-21swapper/111:00:461
189079940,2cyclictest0-21swapper/110:30:161
189079940,2cyclictest0-21swapper/109:40:091
189079940,2cyclictest0-21swapper/109:25:121
189079940,1cyclictest0-21swapper/111:36:091
189079940,1cyclictest0-21swapper/111:24:101
189079940,0cyclictest0-21swapper/109:15:201
189079931,1cyclictest0-21swapper/108:15:131
189079930,2cyclictest0-21swapper/107:30:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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