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2026-04-18 - 15:13
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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: ondemand
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot4.osadl.org (updated Sat Apr 18, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248552191120,7sleep10-21swapper/107:06:461
250992115100,8sleep30-21swapper/307:09:563
980221130,0sleep29801-21diskstats12:10:142
248412113103,7sleep20-21swapper/207:06:352
24881210999,7sleep00-21swapper/007:07:050
274492580,1sleep00-21swapper/011:00:000
221082570,0sleep00-21swapper/008:00:180
202292560,0sleep30-21swapper/311:20:173
16122540,0sleep10-21swapper/108:40:161
241742530,0sleep10-21swapper/112:20:181
2528499368,22cyclictest0-21swapper/109:45:201
2528799280,27cyclictest0-21swapper/209:37:462
2528799280,27cyclictest0-21swapper/209:15:402
2528799280,27cyclictest0-21swapper/207:57:212
231562280,0sleep30-21swapper/310:55:183
25287992723,2cyclictest19545-21ntp_states08:25:202
2528799270,26cyclictest0-21swapper/212:30:512
2528799270,26cyclictest0-21swapper/212:03:172
2528799270,26cyclictest0-21swapper/211:51:172
2528799270,26cyclictest0-21swapper/211:27:372
2528799270,26cyclictest0-21swapper/211:20:522
2528799270,26cyclictest0-21swapper/209:58:532
2528799270,26cyclictest0-21swapper/209:58:522
2528799270,26cyclictest0-21swapper/209:46:282
2528799270,26cyclictest0-21swapper/207:34:592
2528499270,26cyclictest0-21swapper/112:39:241
2528499270,26cyclictest0-21swapper/111:54:141
25287992618,7cyclictest0-21swapper/210:44:092
2528799260,25cyclictest0-21swapper/212:27:562
2528799260,25cyclictest0-21swapper/212:17:562
2528799260,25cyclictest0-21swapper/211:32:222
2528799260,25cyclictest0-21swapper/211:14:132
2528799260,25cyclictest0-21swapper/210:50:092
2528799260,25cyclictest0-21swapper/210:20:562
2528799260,25cyclictest0-21swapper/209:52:562
2528799260,25cyclictest0-21swapper/209:34:292
2528799260,25cyclictest0-21swapper/208:34:202
2528799260,25cyclictest0-21swapper/208:22:482
2528799260,25cyclictest0-21swapper/207:54:502
2528499260,25cyclictest0-21swapper/111:16:261
2528799250,24cyclictest0-21swapper/211:15:102
2528799250,24cyclictest0-21swapper/207:39:102
2528499250,24cyclictest0-21swapper/109:02:041
25287992422,2cyclictest0-21swapper/212:08:172
25287992417,7cyclictest0-21swapper/209:04:072
2528799240,23cyclictest0-21swapper/211:44:372
25284992422,2cyclictest0-21swapper/112:12:411
25284992422,2cyclictest0-21swapper/107:21:161
25284992421,3cyclictest0-21swapper/110:08:441
25284992418,6cyclictest0-21swapper/108:59:331
25287992321,2cyclictest0-21swapper/208:17:502
2528799231,21cyclictest0-21swapper/207:28:402
2528799231,21cyclictest0-21swapper/207:23:532
2528799230,23cyclictest0-21swapper/210:45:062
2528799230,22cyclictest0-21swapper/209:11:242
2528499236,15cyclictest0-21swapper/111:00:191
2528499230,22cyclictest0-21swapper/110:18:301
2528499230,22cyclictest0-21swapper/107:56:261
25287992219,3cyclictest0-21swapper/208:39:482
25287992218,3cyclictest0-21swapper/208:58:452
2528799221,20cyclictest0-21swapper/211:57:112
2528799221,20cyclictest0-21swapper/210:56:152
2528799220,21cyclictest0-21swapper/211:03:392
2528799220,21cyclictest0-21swapper/209:28:502
2528799220,21cyclictest0-21swapper/208:05:442
2528799220,21cyclictest0-21swapper/207:10:052
25284992216,6cyclictest0-21swapper/110:01:141
2528499220,21cyclictest0-21swapper/111:40:121
2528499220,21cyclictest0-21swapper/107:15:161
25282992219,2cyclictest0-21swapper/009:59:500
25282992219,2cyclictest0-21swapper/009:59:490
25282992213,8cyclictest0-21swapper/008:50:110
25287992117,3cyclictest0-21swapper/212:38:272
25287992117,3cyclictest0-21swapper/211:37:042
25287992117,3cyclictest0-21swapper/210:32:542
25287992116,4cyclictest0-21swapper/208:11:122
2528799211,19cyclictest0-21swapper/207:47:082
2528799210,3cyclictest0-21swapper/210:09:572
2528799210,3cyclictest0-21swapper/210:00:172
2528799210,3cyclictest0-21swapper/207:41:012
2528799210,20cyclictest0-21swapper/211:06:212
2528799210,20cyclictest0-21swapper/210:35:262
2528799210,20cyclictest0-21swapper/209:07:002
2528799210,20cyclictest0-21swapper/208:50:162
2528799210,20cyclictest0-21swapper/207:19:552
25284992114,7cyclictest0-21swapper/109:27:351
2528499210,3cyclictest0-21swapper/112:03:051
2528499210,20cyclictest0-21swapper/112:25:291
2528499210,20cyclictest0-21swapper/110:59:341
2528499210,20cyclictest0-21swapper/110:41:541
2528499210,20cyclictest0-21swapper/110:22:441
2528499210,20cyclictest0-21swapper/110:12:421
2528499210,20cyclictest0-21swapper/109:12:191
2528499210,20cyclictest0-21swapper/108:38:391
25282992119,1cyclictest749-21snmpd12:03:200
2528299210,20cyclictest0-21swapper/010:16:000
25287992018,1cyclictest749-21snmpd08:00:052
25287992016,3cyclictest0-21swapper/209:22:512
2528799200,20cyclictest0-21swapper/208:40:412
2528799200,19cyclictest0-21swapper/212:21:502
2528799200,19cyclictest0-21swapper/210:15:172
2528799200,19cyclictest0-21swapper/209:41:352
25284992018,2cyclictest0-21swapper/109:09:031
25284992016,3cyclictest0-21swapper/110:32:001
25284992016,3cyclictest0-21swapper/109:39:201
25284992016,3cyclictest0-21swapper/107:13:491
2528499200,2cyclictest0-21swapper/110:39:451
2528499200,2cyclictest0-21swapper/110:26:031
2528499200,2cyclictest0-21swapper/108:17:261
2528299205,11cyclictest0-21swapper/007:45:230
25282992018,1cyclictest749-21snmpd10:01:140
25282992018,1cyclictest749-21snmpd09:36:170
2528299200,2cyclictest280-21systemd-journal11:43:300
2528299200,19cyclictest0-21swapper/008:41:370
25287991917,1cyclictest749-21snmpd08:46:152
25287991917,1cyclictest14644-21cat11:45:162
2528499196,7cyclictest14893-21python310:45:221
25284991917,2cyclictest0-21swapper/111:27:271
25284991917,2cyclictest0-21swapper/108:49:101
25284991917,2cyclictest0-21swapper/108:32:231
25284991917,2cyclictest0-21swapper/108:28:531
25284991916,3cyclictest0-21swapper/111:49:051
25284991916,3cyclictest0-21swapper/109:34:041
25284991915,3cyclictest0-21swapper/111:38:251
2528499190,2cyclictest0-21swapper/111:21:131
2528499190,18cyclictest0-21swapper/112:30:211
25282991917,1cyclictest749-21snmpd11:39:490
25282991917,1cyclictest749-21snmpd09:33:370
25282991917,1cyclictest749-21snmpd07:41:050
25282991917,1cyclictest749-21snmpd07:10:340
25282991915,3cyclictest0-21swapper/011:31:280
2528299190,4cyclictest280-21systemd-journal10:06:540
2528299190,18cyclictest0-21swapper/008:30:180
2528799180,18cyclictest0-21swapper/210:11:322
2528499182,14cyclictest0-21swapper/108:07:511
25284991816,2cyclictest0-21swapper/111:59:501
25284991816,1cyclictest749-21snmpd07:37:251
25284991815,2cyclictest0-21swapper/109:58:051
25284991815,2cyclictest0-21swapper/109:58:041
2528499181,16cyclictest0-21swapper/108:21:001
25284991810,7cyclictest0-21swapper/108:52:021
2528499180,2cyclictest0-21swapper/109:22:361
25282991816,2cyclictest0-21swapper/007:59:100
25282991816,1cyclictest749-21snmpd12:14:230
25282991816,1cyclictest749-21snmpd11:47:380
25282991816,1cyclictest749-21snmpd10:24:000
25282991816,1cyclictest749-21snmpd09:44:080
25282991816,1cyclictest749-21snmpd09:26:380
25282991816,1cyclictest749-21snmpd09:19:150
25282991816,1cyclictest749-21snmpd09:07:270
25282991816,1cyclictest749-21snmpd08:46:040
25282991816,1cyclictest749-21snmpd08:25:080
25282991816,1cyclictest749-21snmpd08:05:390
25282991816,1cyclictest749-21snmpd07:30:070
25282991816,1cyclictest749-21snmpd07:19:040
25282991814,2cyclictest4855-21basename12:35:000
2528299181,13cyclictest0-21swapper/008:10:220
2528299181,11cyclictest0-21swapper/007:35:200
2528299180,17cyclictest0-21swapper/008:20:200
2528299180,11cyclictest0-21swapper/009:50:240
25287991715,2cyclictest0-21swapper/210:25:392
2528499173,13cyclictest0-21swapper/109:54:331
25284991715,2cyclictest0-21swapper/108:03:081
25284991715,1cyclictest7580-21sadc09:45:011
2528499171,15cyclictest0-21swapper/107:28:341
2528499170,16cyclictest0-21swapper/107:31:041
2528299172,11cyclictest0-21swapper/010:38:190
2528299172,11cyclictest0-21swapper/009:20:220
25282991715,1cyclictest749-21snmpd12:26:590
25282991714,3cyclictest0-21swapper/011:00:230
2528299170,16cyclictest0-21swapper/010:42:110
2528299170,16cyclictest0-21swapper/010:10:120
2528299170,16cyclictest0-21swapper/009:00:210
2528299170,16cyclictest0-21swapper/008:17:530
2528299170,11cyclictest0-21swapper/009:45:310
2528499163,12cyclictest0-21swapper/107:45:241
2528499162,13cyclictest0-21swapper/107:40:151
25284991614,2cyclictest0-21swapper/108:12:021
2528499160,15cyclictest0-21swapper/111:31:401
2528499160,10cyclictest0-21swapper/110:50:301
2528299163,7cyclictest10239-21/usr/sbin/munin10:45:130
2528299162,13cyclictest0-21swapper/007:51:420
25282991614,1cyclictest749-21snmpd12:38:240
25282991614,1cyclictest749-21snmpd11:50:040
2528299160,15cyclictest0-21swapper/010:50:140
2528299160,15cyclictest0-21swapper/008:55:170
289882150,3sleep30-21swapper/309:35:133
25284991513,2cyclictest0-21swapper/112:15:591
2528499150,14cyclictest0-21swapper/107:50:021
2528299152,9cyclictest0-21swapper/011:28:270
25282991513,1cyclictest749-21snmpd10:30:500
25282991513,1cyclictest749-21snmpd10:26:510
25282991513,1cyclictest749-21snmpd08:35:410
2528299151,13cyclictest0-21swapper/012:05:170
2528299150,14cyclictest0-21swapper/011:55:210
2528299150,14cyclictest0-21swapper/011:15:200
271872140,0sleep30-21swapper/309:00:243
2528499146,7cyclictest0-21swapper/111:13:091
2528499142,9cyclictest0-21swapper/109:18:051
2528299141,8cyclictest0-21swapper/011:05:170
25282991412,1cyclictest749-21snmpd07:21:490
2528499136,7cyclictest0-21swapper/111:08:191
2528499131,10cyclictest0-21swapper/112:10:001
2528299124,4cyclictest0-21swapper/011:13:250
25282991210,1cyclictest749-21snmpd09:11:100
2528299120,11cyclictest0-21swapper/011:20:250
2528299119,1cyclictest749-21snmpd12:19:140
2528299118,2cyclictest0-21swapper/007:25:220
2528299102,6cyclictest0-21swapper/012:20:220
3893291,5sleep30-21swapper/308:40:203
21355295,3sleep30-21swapper/310:53:023
16470291,4sleep30-21swapper/307:25:223
9689281,4sleep30-21swapper/308:45:233
9371281,4sleep30-21swapper/312:10:123
8011281,4sleep30-21swapper/309:45:233
7364280,2sleep30-21swapper/311:37:283
6091280,2sleep30-21swapper/309:11:343
3793281,4sleep30-21swapper/310:10:133
30869280,2sleep30-21swapper/310:31:123
30133284,3sleep30-21swapper/311:57:303
28707280,2sleep30-21swapper/309:34:383
26012280,2sleep30-21swapper/308:34:503
25662280,2sleep30-21swapper/312:21:053
24387280,2sleep30-21swapper/308:04:193
23198281,4sleep30-21swapper/307:35:113
22634280,2sleep30-21swapper/307:30:513
2258281,4sleep30-21swapper/307:45:133
20862281,4sleep30-21swapper/308:55:203
20421280,2sleep30-21swapper/308:29:503
18708280,2sleep30-21swapper/307:58:383
1840280,2sleep30-21swapper/307:42:443
18186281,4sleep30-21swapper/311:45:213
17188280,2sleep30-21swapper/311:15:453
16034280,2sleep30-21swapper/308:51:253
14594281,4sleep30-21swapper/310:20:113
14057280,2sleep30-21swapper/310:16:273
13158280,2sleep30-21swapper/311:40:493
12205280,2sleep30-21swapper/309:20:123
7488271,3sleep30-21swapper/311:10:173
469271,5sleep30-21swapper/309:06:313
4603271,5sleep30-21swapper/312:32:063
31632272,3sleep30-21swapper/308:39:563
31317271,5sleep30-21swapper/312:25:383
30285271,3sleep30-21swapper/308:10:123
24544271,5sleep30-21swapper/311:52:383
24046270,2sleep30-21swapper/309:56:123
24046270,2sleep30-21swapper/309:56:113
2391272,3sleep30-21swapper/310:05:213
1670271,5sleep30-21swapper/311:31:553
15343270,2sleep30-21swapper/310:46:503
13448270,4sleep30-21swapper/309:50:153
12267271,3sleep30-21swapper/307:50:213
897260,3sleep30-21swapper/311:05:123
4183260,3sleep30-21swapper/312:05:153
32468261,2sleep332715-21users11:00:243
28520262,3sleep30-21swapper/311:26:593
2606261,2sleep30-21swapper/309:40:153
20214260,2sleep30-21swapper/310:25:113
19048261,2sleep30-21swapper/309:25:163
11605261,4sleep30-21swapper/307:22:513
10195260,5sleep30-21swapper/312:36:273
9797250,2sleep39924-21grep08:20:123
766250,3sleep30-21swapper/307:15:133
6916250,3sleep30-21swapper/309:15:163
4014251,3sleep30-21swapper/310:35:363
3754251,1sleep33758-21apt-get08:15:123
25408251,2sleep30-21swapper/307:10:123
24756250,2sleep30-21swapper/308:05:153
1526250,3sleep30-21swapper/312:00:193
14996250,2sleep315201-21grep12:15:123
4358240,2sleep30-21swapper/310:40:013
24607240,2sleep30-21swapper/310:00:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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