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2026-09-14 - 20:20
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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 the highest latencies:
System rack5slot4.osadl.org (updated Mon Sep 14, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26864212159,7sleep10-21swapper/107:06:211
26793210796,7sleep20-21swapper/207:05:262
27044210696,7sleep00-21swapper/007:08:410
21769210695,6sleep30-21swapper/307:05:073
80132630,1sleep122-21ksoftirqd/109:39:401
301912610,0sleep10-21swapper/107:35:201
34192590,1sleep13425-21kthreadcore12:25:181
78912580,1sleep00-21swapper/009:39:350
54872580,0sleep10-21swapper/107:45:131
145842580,0sleep10-21swapper/110:24:341
3422570,0sleep10-21swapper/110:17:251
72232560,1sleep17222-21ssh11:45:181
312212550,0sleep120-21rcuc/111:55:191
228492550,0sleep10-21swapper/112:20:191
251792530,0sleep10-21swapper/110:28:391
2732299280,26cyclictest0-21swapper/209:58:202
2731899281,26cyclictest0-21swapper/109:09:161
2731899281,26cyclictest0-21swapper/109:09:161
2731899280,27cyclictest0-21swapper/109:57:081
2732299270,26cyclictest0-21swapper/212:08:192
2732299270,26cyclictest0-21swapper/210:38:382
2732299270,26cyclictest0-21swapper/208:49:082
2732299270,26cyclictest0-21swapper/207:36:252
2731899270,26cyclictest0-21swapper/111:51:371
2731899270,26cyclictest0-21swapper/111:35:401
2731899270,26cyclictest0-21swapper/110:47:331
2731899270,26cyclictest0-21swapper/109:48:331
125862260,0sleep10-21swapper/107:50:181
27322992510,10cyclictest0-21swapper/209:45:122
2732299250,24cyclictest0-21swapper/210:45:492
2732299250,19cyclictest17642-21ssh12:31:532
2731899250,24cyclictest0-21swapper/111:41:371
27322992418,1cyclictest29-21rcuc/208:40:002
2732299240,23cyclictest0-21swapper/209:11:102
27318992415,8cyclictest0-21swapper/110:36:401
2731899240,23cyclictest0-21swapper/112:10:231
2731899240,23cyclictest0-21swapper/111:30:551
2731899240,18cyclictest0-21swapper/112:36:051
2731899240,18cyclictest0-21swapper/110:06:101
2732299237,14cyclictest0-21swapper/212:00:162
2732299234,18cyclictest0-21swapper/211:50:142
2732299230,22cyclictest0-21swapper/211:49:202
2732299230,22cyclictest0-21swapper/211:40:532
2732299230,22cyclictest0-21swapper/211:31:242
2732299230,22cyclictest0-21swapper/210:12:412
2732299230,21cyclictest24714-21ssh12:20:202
2732299230,17cyclictest0-21swapper/212:36:512
2732299230,17cyclictest0-21swapper/211:00:482
2732299230,17cyclictest0-21swapper/210:22:342
2731899232,20cyclictest0-21swapper/110:56:031
2731899232,20cyclictest0-21swapper/110:01:231
2731899231,21cyclictest0-21swapper/107:16:581
2731899230,23cyclictest0-21swapper/108:25:431
2731899230,22cyclictest0-21swapper/112:07:331
2731899230,22cyclictest0-21swapper/111:19:591
2731899230,22cyclictest0-21swapper/110:50:441
2731899230,22cyclictest0-21swapper/110:32:401
2731899230,22cyclictest0-21swapper/109:54:031
2731899230,22cyclictest0-21swapper/109:28:081
2731899230,21cyclictest0-21swapper/111:05:561
2731899230,17cyclictest0-21swapper/111:21:101
2732299223,18cyclictest0-21swapper/211:55:122
2732299222,15cyclictest0-21swapper/210:27:272
2732299222,15cyclictest0-21swapper/209:40:392
27322992219,2cyclictest0-21swapper/208:50:112
2732299220,21cyclictest0-21swapper/212:25:392
2732299220,21cyclictest0-21swapper/210:50:012
2732299220,21cyclictest0-21swapper/210:41:492
2732299220,21cyclictest0-21swapper/210:31:152
2732299220,21cyclictest0-21swapper/210:16:402
2732299220,21cyclictest0-21swapper/210:02:442
2732299220,21cyclictest0-21swapper/209:52:212
2732299220,21cyclictest0-21swapper/209:25:092
2732299220,20cyclictest0-21swapper/212:10:352
2732299220,20cyclictest0-21swapper/211:10:132
2732299220,20cyclictest0-21swapper/211:05:432
2732299220,16cyclictest0-21swapper/211:20:502
2732299220,16cyclictest0-21swapper/210:08:442
2731899221,20cyclictest0-21swapper/108:50:321
2731899221,20cyclictest0-21swapper/108:32:431
2731899220,22cyclictest0-21swapper/108:19:431
2731899220,21cyclictest0-21swapper/112:17:231
2731899220,21cyclictest0-21swapper/112:00:511
2731899220,21cyclictest0-21swapper/111:02:221
2731899220,21cyclictest0-21swapper/110:12:051
2731899220,21cyclictest0-21swapper/109:13:501
2731899220,21cyclictest0-21swapper/108:45:051
2731899220,21cyclictest0-21swapper/108:13:131
2731899220,21cyclictest0-21swapper/108:05:341
2731899220,21cyclictest0-21swapper/107:27:251
2731899220,21cyclictest0-21swapper/107:22:111
2731899220,21cyclictest0-21swapper/107:12:251
2731899220,17cyclictest0-21swapper/109:18:401
2731899220,16cyclictest0-21swapper/112:30:321
2731899220,16cyclictest0-21swapper/110:40:011
27313992219,2cyclictest762-21snmpd07:25:550
27313992218,2cyclictest762-21snmpd07:51:550
2731399221,2cyclictest7798-21apt-get08:45:110
2731399220,21cyclictest0-21swapper/010:50:150
140572220,0sleep00-21swapper/011:48:410
2732299212,13cyclictest0-21swapper/209:32:402
27322992119,2cyclictest0-21swapper/209:15:352
27322992118,2cyclictest762-21snmpd08:11:222
27322992117,3cyclictest0-21swapper/207:13:282
2732299211,19cyclictest0-21swapper/211:28:262
2732299211,19cyclictest0-21swapper/208:17:312
2732299210,20cyclictest0-21swapper/212:18:092
2732299210,20cyclictest0-21swapper/211:15:472
2732299210,20cyclictest0-21swapper/209:35:022
2732299210,20cyclictest0-21swapper/207:46:462
2732299210,20cyclictest0-21swapper/207:40:552
2732299210,20cyclictest0-21swapper/207:34:522
2732299210,20cyclictest0-21swapper/207:20:192
2732299210,15cyclictest0-21swapper/210:56:562
2731899211,14cyclictest0-21swapper/109:31:451
2731899210,3cyclictest0-21swapper/108:23:281
2731899210,20cyclictest0-21swapper/111:26:241
2731899210,20cyclictest0-21swapper/109:41:291
2731899210,20cyclictest0-21swapper/109:24:081
2731899210,20cyclictest0-21swapper/109:04:051
2731899210,20cyclictest0-21swapper/108:56:171
2731899210,20cyclictest0-21swapper/108:40:011
2731899210,20cyclictest0-21swapper/108:39:461
27313992119,1cyclictest762-21snmpd10:29:240
27313992119,1cyclictest762-21snmpd09:23:590
27313992118,2cyclictest762-21snmpd09:19:020
27313992118,2cyclictest762-21snmpd08:13:040
27313992118,2cyclictest762-21snmpd07:45:160
27313992117,2cyclictest762-21snmpd09:03:110
2731399211,3cyclictest0-21swapper/008:34:520
2731399210,19cyclictest0-21swapper/010:10:150
27322992019,1cyclictest0-21swapper/211:37:392
27322992018,1cyclictest762-21snmpd08:26:282
27322992018,1cyclictest762-21snmpd08:07:282
27322992018,1cyclictest762-21snmpd07:57:552
27322992018,1cyclictest762-21snmpd07:25:582
2732299200,19cyclictest0-21swapper/209:20:132
2732299200,19cyclictest0-21swapper/208:40:252
2731899200,20cyclictest0-21swapper/107:30:011
2731899200,19cyclictest0-21swapper/107:42:491
2731899200,15cyclictest0-21swapper/111:10:311
27313992018,1cyclictest762-21snmpd12:39:480
27313992018,1cyclictest762-21snmpd11:29:150
27313992018,1cyclictest762-21snmpd11:21:370
27313992018,1cyclictest762-21snmpd08:56:020
27313992018,1cyclictest762-21snmpd08:08:010
27313992018,1cyclictest762-21snmpd07:57:290
27313992018,1cyclictest762-21snmpd07:42:250
27313992017,3cyclictest0-21swapper/009:12:450
27313992017,2cyclictest762-21snmpd11:09:220
27313992017,2cyclictest762-21snmpd09:25:320
27313992017,2cyclictest762-21snmpd09:05:020
27313992017,2cyclictest762-21snmpd09:05:020
27313992017,2cyclictest762-21snmpd08:37:340
27313992017,2cyclictest762-21snmpd08:23:100
2731399201,18cyclictest3411-21diskmemload12:01:580
2731399200,19cyclictest0-21swapper/010:23:140
27322991917,2cyclictest0-21swapper/208:30:342
27322991917,1cyclictest762-21snmpd09:05:352
27322991917,1cyclictest762-21snmpd09:05:352
27322991917,1cyclictest762-21snmpd08:58:112
27322991917,1cyclictest762-21snmpd08:23:522
27322991917,1cyclictest762-21snmpd08:03:522
27322991917,1cyclictest762-21snmpd07:53:462
27322991916,2cyclictest301ktimersoftd/209:00:122
27318991917,2cyclictest0-21swapper/107:56:281
27313991917,1cyclictest762-21snmpd12:07:230
27313991917,1cyclictest762-21snmpd11:57:230
27313991917,1cyclictest762-21snmpd10:48:090
27313991917,1cyclictest762-21snmpd10:40:370
27313991917,1cyclictest762-21snmpd09:56:110
27313991917,1cyclictest762-21snmpd09:45:420
27313991917,1cyclictest762-21snmpd07:17:400
27313991916,3cyclictest0-21swapper/012:31:020
27313991916,3cyclictest0-21swapper/011:50:160
27313991916,3cyclictest0-21swapper/009:30:390
27313991916,2cyclictest762-21snmpd10:06:360
2731399190,18cyclictest0-21swapper/010:16:570
2731399190,17cyclictest0-21swapper/010:31:250
2732299180,2cyclictest0-21swapper/207:17:062
27318991816,2cyclictest0-21swapper/108:03:071
27313991816,1cyclictest762-21snmpd11:11:150
27313991816,1cyclictest762-21snmpd09:40:170
27313991816,1cyclictest762-21snmpd08:54:380
27313991816,1cyclictest762-21snmpd08:42:470
27313991816,1cyclictest762-21snmpd08:26:550
27313991816,1cyclictest762-21snmpd08:01:430
27313991816,1cyclictest762-21snmpd07:34:050
27313991816,1cyclictest0-21swapper/009:50:020
27313991815,3cyclictest0-21swapper/011:00:470
27313991814,3cyclictest0-21swapper/007:20:140
2731399180,17cyclictest0-21swapper/012:10:490
57852170,0sleep00-21swapper/011:30:180
27313991715,1cyclictest762-21snmpd12:28:410
27313991715,1cyclictest762-21snmpd10:04:390
27313991715,1cyclictest762-21snmpd08:18:400
27313991715,1cyclictest762-21snmpd07:35:160
27313991715,1cyclictest762-21snmpd07:12:560
2731399170,3cyclictest0-21swapper/012:15:550
2731399170,16cyclictest0-21swapper/010:35:460
2731399170,15cyclictest0-21swapper/011:16:270
2731399160,1cyclictest0-21swapper/011:35:590
2731399160,15cyclictest0-21swapper/012:23:300
2731399160,15cyclictest0-21swapper/011:41:100
2731399160,15cyclictest0-21swapper/010:55:390
44052140,4sleep30-21swapper/312:25:263
185222140,1sleep30-21swapper/310:54:193
51942130,3sleep30-21swapper/309:37:253
208142130,3sleep30-21swapper/311:09:443
112252130,3sleep30-21swapper/310:21:533
141242120,3sleep30-21swapper/307:21:583
140442120,3sleep30-21swapper/312:02:073
95102110,3sleep30-21swapper/311:31:463
302922110,2sleep30-21swapper/311:26:343
279632110,3sleep30-21swapper/309:47:083
236712110,3sleep30-21swapper/309:30:383
203642110,7sleep322356-21cut08:55:173
43842100,2sleep30-21swapper/307:40:323
217522100,2sleep30-21swapper/311:23:583
5326290,0sleep30-21swapper/310:34:303
30485292,4sleep30-21swapper/312:38:033
29409290,1sleep30-21swapper/311:12:243
28600291,4sleep30-21swapper/312:23:013
24461290,1sleep30-21swapper/309:18:243
24059290,6sleep30-21swapper/310:27:453
23525292,4sleep30-21swapper/311:38:403
2167292,3sleep30-21swapper/311:56:453
18241292,4sleep30-21swapper/312:32:223
10884295,1sleep30-21swapper/309:55:013
9461281,4sleep30-21swapper/307:45:203
8250280,2sleep30-21swapper/307:18:413
7319280,0sleep30-21swapper/311:03:023
7230281,4sleep30-21swapper/311:16:273
6368282,3sleep30-21swapper/310:35:113
3920281,4sleep30-21swapper/310:46:443
358281,4sleep30-21swapper/310:04:093
31204281,4sleep30-21swapper/311:40:353
30860282,3sleep30-21swapper/310:15:523
3080281,4sleep30-21swapper/309:23:003
3009281,4sleep30-21swapper/310:05:183
28970282,3sleep30-21swapper/310:58:343
26237282,3sleep30-21swapper/307:35:153
24817282,3sleep30-21swapper/312:06:353
23580282,3sleep30-21swapper/311:52:103
23398282,3sleep30-21swapper/310:40:313
17065282,3sleep30-21swapper/309:29:373
14907282,3sleep30-21swapper/312:16:173
14606281,4sleep30-21swapper/309:40:433
11164281,4sleep30-21swapper/309:11:583
10693282,3sleep30-21swapper/311:46:013
707271,3sleep30-21swapper/308:10:113
6560271,3sleep30-21swapper/309:51:443
29056271,4sleep30-21swapper/308:05:193
2894271,3sleep30-21swapper/312:10:483
23246271,5sleep30-21swapper/308:30:023
21064271,3sleep30-21swapper/307:30:153
20309270,5sleep30-21swapper/310:11:393
12871272,3sleep30-21swapper/308:45:443
12041270,4sleep30-21swapper/308:20:133
30044260,3sleep30-21swapper/309:03:383
2506260,3sleep30-21swapper/309:05:223
2506260,3sleep30-21swapper/309:05:223
22834260,3sleep30-21swapper/308:27:383
16412260,3sleep30-21swapper/307:55:143
15057260,3sleep30-21swapper/307:50:213
14593260,3sleep30-21swapper/307:25:063
1014260,3sleep30-21swapper/308:35:223
6621250,2sleep30-21swapper/308:40:193
27446250,3sleep30-21swapper/307:10:123
22304250,2sleep30-21swapper/308:00:153
18521250,3sleep30-21swapper/308:51:163
11386251,3sleep30-21swapper/308:15:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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