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2026-05-21 - 21:40
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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 Thu May 21, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150832127118,6sleep10-21swapper/107:09:081
14982212563,8sleep30-21swapper/307:07:493
14892211496,6sleep00-21swapper/007:06:380
150442113104,6sleep20-21swapper/207:08:372
9142630,0sleep30-21swapper/311:10:173
56342580,0sleep30-21swapper/311:15:183
235512550,0sleep10-21swapper/110:35:151
92802530,0sleep00-21swapper/009:50:250
194322530,0sleep10-21swapper/111:00:141
1531299330,32cyclictest0-21swapper/110:02:371
1531299320,31cyclictest0-21swapper/112:13:261
1531299320,26cyclictest0-21swapper/108:01:331
1531299300,25cyclictest0-21swapper/110:50:161
1531299280,27cyclictest0-21swapper/110:08:221
1531299280,27cyclictest0-21swapper/110:08:221
1530899280,26cyclictest4421-21awk07:55:000
1531599270,26cyclictest0-21swapper/211:32:522
1531599270,26cyclictest0-21swapper/211:26:202
1531599270,26cyclictest0-21swapper/210:25:312
1531599270,26cyclictest0-21swapper/208:47:572
1531299270,26cyclictest0-21swapper/110:59:081
1531299270,26cyclictest0-21swapper/110:18:071
1531299270,26cyclictest0-21swapper/109:36:061
1531299270,26cyclictest0-21swapper/108:38:571
1531299270,26cyclictest0-21swapper/108:14:501
1531299270,26cyclictest0-21swapper/107:49:591
1531299270,26cyclictest0-21swapper/107:25:271
1530899270,25cyclictest4720-21basename11:44:590
1531599260,25cyclictest0-21swapper/210:44:102
1531599260,25cyclictest0-21swapper/210:13:372
15312992616,3cyclictest0-21swapper/110:12:221
1531299260,3cyclictest0-21swapper/108:45:121
1531299260,25cyclictest0-21swapper/112:24:261
1531299260,25cyclictest0-21swapper/111:19:431
1531299260,25cyclictest0-21swapper/109:44:161
1531299260,25cyclictest0-21swapper/107:53:451
1531299260,25cyclictest0-21swapper/107:19:001
15315992521,3cyclictest0-21swapper/209:09:332
15315992518,7cyclictest0-21swapper/209:31:302
15312992518,7cyclictest0-21swapper/107:57:121
1531299250,24cyclictest0-21swapper/112:30:421
1531299250,24cyclictest0-21swapper/111:42:551
1531599240,23cyclictest0-21swapper/212:10:232
15312992422,2cyclictest0-21swapper/109:15:031
1531299241,4cyclictest0-21swapper/110:41:581
1531299241,22cyclictest0-21swapper/112:18:211
1531299241,22cyclictest0-21swapper/109:53:161
1531299241,22cyclictest0-21swapper/109:12:001
1531299241,22cyclictest0-21swapper/108:53:511
1531299240,23cyclictest0-21swapper/111:37:501
1531599239,9cyclictest0-21swapper/208:20:242
15315992322,1cyclictest0-21swapper/207:39:472
15315992321,2cyclictest0-21swapper/209:22:182
15315992321,2cyclictest0-21swapper/208:41:062
15315992315,7cyclictest0-21swapper/209:49:132
1531599231,3cyclictest0-21swapper/210:50:252
1531599231,21cyclictest0-21swapper/211:15:042
1531299239,13cyclictest0-21swapper/109:25:191
15312992321,2cyclictest0-21swapper/108:43:391
1531299231,4cyclictest0-21swapper/110:23:191
1531299231,3cyclictest0-21swapper/110:33:021
1531299231,3cyclictest0-21swapper/108:55:061
1531299231,21cyclictest0-21swapper/112:01:501
1531299231,21cyclictest0-21swapper/110:47:221
1531299231,21cyclictest0-21swapper/109:00:541
1530899230,22cyclictest0-21swapper/012:39:460
1531599222,19cyclictest0-21swapper/208:30:202
15315992220,2cyclictest0-21swapper/209:29:182
1531599221,20cyclictest0-21swapper/207:30:452
1531599220,3cyclictest0-21swapper/210:00:312
1531599220,21cyclictest0-21swapper/210:16:012
1531599220,21cyclictest0-21swapper/209:41:312
1531299222,19cyclictest0-21swapper/112:39:541
15312992220,2cyclictest0-21swapper/109:30:571
1531299221,4cyclictest0-21swapper/107:20:501
1531299221,3cyclictest0-21swapper/111:46:221
1531299221,20cyclictest0-21swapper/111:52:021
1531299221,20cyclictest0-21swapper/111:33:401
1531299221,20cyclictest0-21swapper/108:25:391
1531299220,3cyclictest0-21swapper/111:59:401
1531299220,21cyclictest0-21swapper/111:29:221
1531299220,21cyclictest0-21swapper/110:27:401
1531299220,21cyclictest0-21swapper/109:45:251
1531299220,21cyclictest0-21swapper/107:34:141
1530899228,13cyclictest0-21swapper/008:10:230
1530899220,21cyclictest0-21swapper/009:42:490
417722110,7sleep30-21swapper/309:48:003
232872210,0sleep00-21swapper/011:30:160
15315992119,2cyclictest0-21swapper/211:06:342
15315992119,1cyclictest749-21snmpd12:09:052
1531599211,2cyclictest0-21swapper/209:00:182
1531599211,19cyclictest0-21swapper/209:13:062
1531599211,16cyclictest0-21swapper/210:55:212
1531599210,20cyclictest0-21swapper/211:52:412
1531599210,20cyclictest0-21swapper/210:34:192
1531599210,15cyclictest0-21swapper/211:57:032
1531299216,14cyclictest0-21swapper/107:40:201
15312992117,3cyclictest0-21swapper/108:06:001
1531299211,18cyclictest0-21swapper/111:20:131
1531299210,20cyclictest0-21swapper/112:27:501
1531299210,20cyclictest0-21swapper/109:06:511
1531299210,20cyclictest0-21swapper/108:21:511
1531299210,20cyclictest0-21swapper/107:13:441
1530899210,20cyclictest0-21swapper/009:07:390
1530899210,20cyclictest0-21swapper/008:59:330
15315992018,1cyclictest749-21snmpd09:39:452
15315992018,1cyclictest749-21snmpd08:50:512
15315992018,1cyclictest749-21snmpd08:38:452
15315992018,1cyclictest749-21snmpd08:27:562
15315992016,3cyclictest0-21swapper/207:41:272
15315992016,2cyclictest19546-21cat11:00:152
1531599201,3cyclictest0-21swapper/208:08:542
1531599200,20cyclictest0-21swapper/209:17:452
1531599200,19cyclictest0-21swapper/210:21:442
1531599200,14cyclictest0-21swapper/207:18:152
15312992016,3cyclictest0-21swapper/108:16:391
1531299201,18cyclictest0-21swapper/109:58:501
1531299200,2cyclictest0-21swapper/112:05:101
1531299200,19cyclictest0-21swapper/111:10:441
1531299200,19cyclictest0-21swapper/109:21:271
15308992018,1cyclictest749-21snmpd12:27:090
15308992018,1cyclictest749-21snmpd12:03:560
15308992018,1cyclictest749-21snmpd11:58:460
15308992018,1cyclictest749-21snmpd10:45:130
15308992018,1cyclictest749-21snmpd10:20:100
15308992018,1cyclictest749-21snmpd10:17:410
15308992018,1cyclictest749-21snmpd10:11:070
15308992018,1cyclictest749-21snmpd10:07:130
15308992018,1cyclictest749-21snmpd10:07:130
15308992018,1cyclictest749-21snmpd09:55:340
15308992018,1cyclictest749-21snmpd09:47:310
15308992018,1cyclictest749-21snmpd09:17:570
15308992018,1cyclictest749-21snmpd09:00:420
15308992018,1cyclictest749-21snmpd08:46:090
15308992018,1cyclictest749-21snmpd08:28:060
15308992018,1cyclictest749-21snmpd07:58:530
15308992018,1cyclictest749-21snmpd07:35:360
15308992018,1cyclictest749-21snmpd07:34:230
15308992018,1cyclictest749-21snmpd07:25:270
15308992018,1cyclictest749-21snmpd07:17:420
1530899200,1cyclictest2143-21apt-get07:25:000
280832197,3sleep30-21swapper/312:32:413
1531599194,13cyclictest0-21swapper/208:17:412
15315991917,1cyclictest749-21snmpd12:21:562
15315991917,1cyclictest749-21snmpd12:15:302
15315991917,1cyclictest749-21snmpd11:37:142
15315991917,1cyclictest749-21snmpd10:47:562
15315991917,1cyclictest749-21snmpd08:58:182
15315991917,1cyclictest749-21snmpd08:10:032
15315991917,1cyclictest749-21snmpd07:50:212
15315991917,1cyclictest749-21snmpd07:28:512
15315991916,2cyclictest749-21snmpd09:55:462
15315991916,2cyclictest0-21swapper/212:28:442
1531599190,18cyclictest0-21swapper/209:50:162
15312991917,2cyclictest0-21swapper/107:35:391
1530899193,14cyclictest0-21swapper/008:05:110
15308991917,1cyclictest749-21snmpd12:33:080
15308991917,1cyclictest749-21snmpd12:15:330
15308991917,1cyclictest749-21snmpd12:13:540
15308991917,1cyclictest749-21snmpd12:06:340
15308991917,1cyclictest749-21snmpd11:50:580
15308991917,1cyclictest749-21snmpd11:37:490
15308991917,1cyclictest749-21snmpd11:19:520
15308991917,1cyclictest749-21snmpd11:03:040
15308991917,1cyclictest749-21snmpd10:42:230
15308991917,1cyclictest749-21snmpd10:37:160
15308991917,1cyclictest749-21snmpd10:33:580
15308991917,1cyclictest749-21snmpd10:03:130
15308991917,1cyclictest749-21snmpd09:39:030
15308991917,1cyclictest749-21snmpd07:41:060
15308991916,2cyclictest0-21swapper/008:24:230
1531599184,8cyclictest4941-21/usr/sbin/munin11:45:172
1531599183,14cyclictest0-21swapper/207:20:142
15315991816,2cyclictest0-21swapper/210:35:312
15315991816,2cyclictest0-21swapper/207:11:512
15315991816,1cyclictest749-21snmpd11:22:582
1531599181,16cyclictest0-21swapper/207:47:382
15312991816,2cyclictest0-21swapper/111:09:581
1530899184,13cyclictest0-21swapper/007:45:220
1530899183,13cyclictest14605-21/usr/sbin/munin09:30:140
15308991816,1cyclictest749-21snmpd11:48:170
15308991816,1cyclictest749-21snmpd11:22:530
15308991816,1cyclictest749-21snmpd11:14:040
15308991816,1cyclictest749-21snmpd10:56:100
15308991816,1cyclictest749-21snmpd10:26:550
15308991816,1cyclictest749-21snmpd09:24:030
15308991816,1cyclictest749-21snmpd08:52:390
15308991816,1cyclictest749-21snmpd08:00:090
15308991816,1cyclictest749-21snmpd07:11:410
89962178,3sleep30-21swapper/309:25:063
1531599178,8cyclictest0-21swapper/212:00:102
1531599173,13cyclictest0-21swapper/210:05:152
1531599173,13cyclictest0-21swapper/210:05:152
15315991715,1cyclictest749-21snmpd12:38:352
1531599170,16cyclictest0-21swapper/211:41:042
1531599170,11cyclictest0-21swapper/211:10:122
15312991713,3cyclictest0-21swapper/108:32:271
15308991715,1cyclictest749-21snmpd12:20:290
15308991715,1cyclictest749-21snmpd11:07:050
15308991715,1cyclictest749-21snmpd09:26:030
15308991715,1cyclictest749-21snmpd09:14:300
15308991715,1cyclictest749-21snmpd08:38:470
1530899170,16cyclictest0-21swapper/008:41:590
1530899170,11cyclictest0-21swapper/011:25:560
3211221610,3sleep30-21swapper/310:11:513
15315991614,1cyclictest749-21snmpd12:31:512
15308991614,1cyclictest749-21snmpd10:53:430
15308991614,1cyclictest749-21snmpd08:32:270
15308991612,3cyclictest749-21snmpd08:16:210
324342155,3sleep30-21swapper/312:06:343
2994921510,3sleep30-21swapper/309:14:133
195752159,3sleep30-21swapper/311:26:093
156232155,3sleep30-21swapper/311:51:073
1531599150,14cyclictest0-21swapper/207:55:132
1531599150,11cyclictest0-21swapper/208:00:212
11042159,3sleep30-21swapper/312:35:293
986021410,3sleep30-21swapper/307:57:563
964421410,3sleep30-21swapper/309:51:293
572521410,3sleep30-21swapper/312:13:213
52942149,3sleep30-21swapper/310:17:043
462221410,3sleep30-21swapper/311:44:033
41402145,3sleep30-21swapper/307:51:353
3260421410,3sleep30-21swapper/308:18:173
30982148,3sleep30-21swapper/309:19:093
309722149,3sleep30-21swapper/307:47:153
2927921410,3sleep30-21swapper/311:05:453
2876021410,3sleep30-21swapper/308:43:523
2820621410,3sleep30-21swapper/310:38:273
2679921410,3sleep30-21swapper/312:00:563
267642149,3sleep30-21swapper/308:14:343
2497121410,3sleep30-21swapper/307:41:023
2123021410,3sleep30-21swapper/311:56:283
2089721410,3sleep30-21swapper/308:05:533
18942142,3sleep30-21swapper/308:48:103
18062149,3sleep30-21swapper/307:20:553
1535821410,3sleep30-21swapper/308:01:233
133421410,3sleep30-21swapper/310:41:553
124442144,3sleep30-21swapper/310:50:443
78612139,3sleep30-21swapper/307:27:513
74962139,3sleep30-21swapper/308:53:183
5192139,3sleep30-21swapper/308:20:023
311952139,3sleep30-21swapper/311:36:333
310362139,3sleep30-21swapper/309:43:163
283642139,3sleep30-21swapper/307:16:273
266732139,3sleep30-21swapper/310:08:513
266732139,3sleep30-21swapper/310:08:513
254512139,3sleep30-21swapper/311:34:053
238302139,3sleep30-21swapper/311:03:023
229432139,3sleep30-21swapper/308:36:243
224092139,3sleep30-21swapper/312:26:313
224022139,3sleep30-21swapper/310:31:583
207962137,3sleep30-21swapper/307:14:393
201852139,3sleep30-21swapper/309:35:033
196152139,3sleep30-21swapper/309:30:343
191642139,3sleep30-21swapper/307:36:483
185432139,3sleep30-21swapper/309:01:153
181202139,3sleep30-21swapper/310:56:483
167962139,3sleep30-21swapper/312:21:033
166922139,3sleep30-21swapper/310:29:293
158042139,3sleep30-21swapper/310:00:113
152092139,3sleep30-21swapper/309:55:413
137612139,3sleep30-21swapper/311:22:233
136292138,4sleep30-21swapper/307:33:493
116042139,3sleep30-21swapper/308:26:433
112662139,3sleep30-21swapper/312:17:343
84622127,3sleep30-21swapper/309:21:053
69282127,3sleep30-21swapper/310:46:353
173042128,3sleep30-21swapper/308:31:563
129462128,3sleep30-21swapper/308:56:313
108212128,3sleep30-21swapper/310:21:003
100262128,3sleep30-21swapper/311:45:583
243032106,3sleep30-21swapper/309:08:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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