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2026-04-19 - 04:51
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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 Sun Apr 19, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1001521390,4sleep041ktimersoftd/019:05:110
15319212463,7sleep30-21swapper/319:09:233
151142115105,7sleep20-21swapper/219:06:462
100042110101,6sleep10-21swapper/119:05:051
2606121000,6sleep21554599cyclictest20:10:212
34272590,1sleep21554599cyclictest20:50:182
313942580,0sleep10-21swapper/119:20:191
290352570,0sleep30-21swapper/319:20:003
192842570,0sleep30-21swapper/322:00:183
177702560,1sleep017775-21switchtime21:00:210
318732460,0sleep031880-21kthreadcore22:40:170
1554599281,26cyclictest0-21swapper/220:42:462
1554599270,26cyclictest0-21swapper/223:49:442
1554599270,26cyclictest0-21swapper/221:39:492
1554599270,26cyclictest0-21swapper/200:31:392
1554599270,26cyclictest0-21swapper/200:00:472
1554599260,25cyclictest0-21swapper/223:05:412
15545992518,7cyclictest0-21swapper/223:20:052
15545992518,7cyclictest0-21swapper/221:41:252
300502240,1sleep330057-21kthreadcore00:05:173
15545992320,2cyclictest0-21swapper/200:14:502
1554599231,21cyclictest0-21swapper/222:01:512
1554599231,21cyclictest0-21swapper/200:24:062
1554599230,22cyclictest0-21swapper/223:50:122
15538992319,2cyclictest749-21snmpd22:29:080
4782220,1sleep00-21swapper/021:45:180
1554599221,20cyclictest0-21swapper/221:52:522
1554599220,3cyclictest0-21swapper/223:12:112
1554599220,21cyclictest0-21swapper/222:28:332
1554599220,21cyclictest0-21swapper/222:13:362
1554599220,21cyclictest0-21swapper/221:56:462
1554599220,21cyclictest0-21swapper/220:49:062
1554599220,21cyclictest0-21swapper/220:33:302
1554599220,21cyclictest0-21swapper/219:56:532
1554599220,21cyclictest0-21swapper/200:19:172
1554599220,16cyclictest0-21swapper/223:59:372
1554399220,21cyclictest0-21swapper/120:06:511
1554599216,14cyclictest0-21swapper/219:12:552
15545992119,1cyclictest18060-21cat22:30:152
15545992118,2cyclictest749-21snmpd23:31:532
15545992118,2cyclictest749-21snmpd22:46:112
15545992118,2cyclictest749-21snmpd19:19:052
15545992117,3cyclictest0-21swapper/220:58:302
1554599210,2cyclictest0-21swapper/223:04:502
1554599210,20cyclictest0-21swapper/223:36:532
1554599210,20cyclictest0-21swapper/222:36:192
1554599210,20cyclictest0-21swapper/221:28:402
1554599210,20cyclictest0-21swapper/220:09:552
1554599210,20cyclictest0-21swapper/220:03:132
1554399210,3cyclictest0-21swapper/122:59:021
1554399210,3cyclictest0-21swapper/122:35:221
1554399210,3cyclictest0-21swapper/121:56:091
1554399210,3cyclictest0-21swapper/121:19:191
1554399210,3cyclictest0-21swapper/121:19:181
1554399210,3cyclictest0-21swapper/119:40:021
1554399210,3cyclictest0-21swapper/100:18:141
1554399210,3cyclictest0-21swapper/100:05:261
1554399210,2cyclictest0-21swapper/121:50:581
1554399210,2cyclictest0-21swapper/121:47:271
1554399210,2cyclictest0-21swapper/121:02:341
1554399210,2cyclictest0-21swapper/120:55:571
1554399210,2cyclictest0-21swapper/120:34:331
1554399210,20cyclictest0-21swapper/119:33:331
15538992119,1cyclictest749-21snmpd21:37:130
15538992118,2cyclictest749-21snmpd23:50:350
15538992117,2cyclictest749-21snmpd21:56:060
1553899210,20cyclictest0-21swapper/020:21:130
15545992018,1cyclictest749-21snmpd22:41:562
15545992018,1cyclictest749-21snmpd20:15:272
15545992017,2cyclictest749-21snmpd19:51:292
15545992016,3cyclictest0-21swapper/200:28:512
1554599200,2cyclictest0-21swapper/221:11:542
1554599200,19cyclictest0-21swapper/200:07:342
15543992016,3cyclictest0-21swapper/122:29:081
1554399200,2cyclictest0-21swapper/123:02:221
1554399200,2cyclictest0-21swapper/122:20:361
1554399200,2cyclictest0-21swapper/121:28:101
1554399200,2cyclictest0-21swapper/121:05:421
1554399200,2cyclictest0-21swapper/120:43:241
1554399200,2cyclictest0-21swapper/120:24:091
1554399200,2cyclictest0-21swapper/100:29:031
15538992018,1cyclictest749-21snmpd23:27:500
15538992018,1cyclictest749-21snmpd22:47:520
15538992018,1cyclictest749-21snmpd21:34:190
15538992018,1cyclictest749-21snmpd21:06:240
15538992018,1cyclictest749-21snmpd20:59:450
15538992018,1cyclictest749-21snmpd20:54:060
15538992018,1cyclictest749-21snmpd20:45:130
15538992018,1cyclictest749-21snmpd20:37:190
15538992018,1cyclictest749-21snmpd20:31:030
15538992018,1cyclictest749-21snmpd19:54:410
15538992018,1cyclictest0-21swapper/000:05:000
15538992017,1cyclictest5838-21/usr/sbin/munin00:15:110
15538992016,2cyclictest749-21snmpd22:58:020
15538992016,2cyclictest749-21snmpd21:52:100
15538992016,1cyclictest752-21lldpd22:16:260
1554599195,13cyclictest0-21swapper/221:00:082
1554599192,13cyclictest0-21swapper/219:30:222
15545991918,0cyclictest749-21snmpd20:22:122
15545991917,1cyclictest749-21snmpd23:17:232
15545991917,1cyclictest749-21snmpd22:59:112
15545991917,1cyclictest749-21snmpd22:23:102
15545991917,1cyclictest749-21snmpd19:49:572
15545991917,1cyclictest749-21snmpd19:43:322
15545991917,1cyclictest749-21snmpd19:27:232
15545991915,3cyclictest0-21swapper/221:08:552
15543991916,3cyclictest0-21swapper/123:50:351
15543991914,4cyclictest0-21swapper/122:16:261
15538991917,1cyclictest749-21snmpd23:56:020
15538991917,1cyclictest749-21snmpd23:44:520
15538991917,1cyclictest749-21snmpd23:24:050
15538991917,1cyclictest749-21snmpd23:15:140
15538991917,1cyclictest749-21snmpd23:08:260
15538991917,1cyclictest749-21snmpd23:00:160
15538991917,1cyclictest749-21snmpd22:11:460
15538991917,1cyclictest749-21snmpd21:23:280
15538991917,1cyclictest749-21snmpd20:43:570
15538991917,1cyclictest749-21snmpd20:16:210
15538991917,1cyclictest749-21snmpd20:14:150
15538991917,1cyclictest749-21snmpd19:42:420
15538991917,1cyclictest749-21snmpd19:30:320
15538991917,1cyclictest749-21snmpd19:17:380
1553899190,18cyclictest0-21swapper/021:15:190
1553899190,18cyclictest0-21swapper/021:15:180
313032180,0sleep30-21swapper/321:15:183
313032180,0sleep30-21swapper/321:15:173
215412180,0sleep30-21swapper/300:25:243
1554599185,8cyclictest0-21swapper/221:15:552
1554599185,8cyclictest0-21swapper/221:15:542
1554599183,14cyclictest0-21swapper/223:40:232
15545991817,0cyclictest749-21snmpd21:22:242
15545991816,2cyclictest0-21swapper/220:36:342
15545991816,1cyclictest749-21snmpd23:27:292
15545991816,1cyclictest749-21snmpd19:35:172
15545991815,2cyclictest0-21swapper/200:35:212
1554599181,16cyclictest0-21swapper/221:46:182
15543991816,2cyclictest0-21swapper/123:27:501
15543991816,2cyclictest0-21swapper/121:37:131
15543991815,3cyclictest0-21swapper/120:54:071
15543991815,2cyclictest0-21swapper/122:47:531
15543991815,2cyclictest0-21swapper/120:46:391
15543991815,2cyclictest0-21swapper/120:37:191
1554399180,2cyclictest0-21swapper/122:40:411
15538991816,1cyclictest749-21snmpd23:35:020
15538991816,1cyclictest749-21snmpd23:30:200
15538991816,1cyclictest749-21snmpd23:12:410
15538991816,1cyclictest749-21snmpd22:23:150
15538991816,1cyclictest749-21snmpd22:05:330
15538991816,1cyclictest749-21snmpd22:00:580
15538991816,1cyclictest749-21snmpd21:42:480
15538991816,1cyclictest749-21snmpd21:12:040
15538991816,1cyclictest749-21snmpd20:05:120
15538991816,1cyclictest749-21snmpd19:57:090
15538991816,1cyclictest749-21snmpd19:28:290
15538991816,1cyclictest749-21snmpd19:12:330
15538991816,1cyclictest749-21snmpd00:13:080
36632175,3sleep30-21swapper/319:50:243
306242178,3sleep30-21swapper/323:36:393
1554599173,8cyclictest14319-21apt-get21:30:102
1554599172,14cyclictest0-21swapper/222:50:312
1554599172,14cyclictest0-21swapper/222:05:232
15545991715,2cyclictest0-21swapper/220:28:552
15545991715,1cyclictest749-21snmpd19:21:502
15543991715,2cyclictest0-21swapper/121:23:281
15543991715,2cyclictest0-21swapper/119:54:411
15543991715,1cyclictest26608-21sadc00:05:001
15543991714,3cyclictest0-21swapper/123:56:011
15543991714,3cyclictest0-21swapper/123:24:051
15543991714,3cyclictest0-21swapper/123:06:141
15543991714,3cyclictest0-21swapper/122:11:451
15538991715,1cyclictest749-21snmpd23:49:260
15538991715,1cyclictest749-21snmpd22:37:320
15538991715,1cyclictest749-21snmpd21:26:420
15538991715,1cyclictest749-21snmpd20:29:450
15538991715,1cyclictest749-21snmpd19:37:500
15538991715,1cyclictest749-21snmpd19:20:120
15538991715,1cyclictest749-21snmpd00:35:510
15538991715,1cyclictest749-21snmpd00:28:000
15538991715,1cyclictest749-21snmpd00:06:440
15538991714,1cyclictest0-21swapper/022:30:140
307902166,3sleep30-21swapper/321:43:103
1554599162,8cyclictest0-21swapper/222:18:482
15543991615,1cyclictest0-21swapper/121:34:181
15543991614,2cyclictest0-21swapper/123:44:531
15543991614,2cyclictest0-21swapper/122:05:341
15543991614,2cyclictest0-21swapper/120:16:211
15543991614,2cyclictest0-21swapper/120:14:161
15543991614,2cyclictest0-21swapper/119:17:381
15543991614,1cyclictest0-21swapper/123:15:131
15543991613,3cyclictest0-21swapper/123:11:171
15543991613,3cyclictest0-21swapper/122:34:111
15543991613,3cyclictest0-21swapper/119:12:321
15543991613,3cyclictest0-21swapper/100:38:421
15543991613,3cyclictest0-21swapper/100:13:081
15538991614,1cyclictest749-21snmpd22:54:020
94421510,3sleep30-21swapper/300:39:063
72312155,3sleep30-21swapper/320:54:533
54432155,3sleep30-21swapper/322:16:583
267882158,4sleep30-21swapper/320:14:553
251192159,3sleep30-21swapper/323:33:113
15543991513,2cyclictest0-21swapper/123:49:261
15543991513,2cyclictest0-21swapper/123:35:021
15543991513,2cyclictest0-21swapper/123:30:191
15543991513,2cyclictest0-21swapper/122:00:581
15543991513,2cyclictest0-21swapper/121:42:481
15543991513,2cyclictest0-21swapper/121:12:031
15543991513,2cyclictest0-21swapper/119:57:091
15543991513,2cyclictest0-21swapper/119:28:291
1554399150,2cyclictest0-21swapper/119:49:351
15538991513,1cyclictest749-21snmpd20:00:200
154482155,3sleep30-21swapper/321:57:403
128162156,2sleep30-21swapper/320:59:533
58182140,0sleep3391ktimersoftd/321:20:173
412521410,3sleep30-21swapper/321:49:583
39052149,3sleep30-21swapper/323:42:523
280652148,3sleep30-21swapper/322:38:573
2781321410,3sleep30-21swapper/300:34:383
2673921410,3sleep30-21swapper/322:07:533
264522148,3sleep30-21swapper/300:03:143
2507721410,3sleep30-21swapper/321:37:163
2386621410,3sleep30-21swapper/321:07:423
207682149,3sleep30-21swapper/320:08:263
207252148,3sleep30-21swapper/319:10:563
1950121410,3sleep30-21swapper/321:32:483
1845121410,3sleep30-21swapper/321:04:573
1777721410,3sleep30-21swapper/322:55:383
171412149,4sleep30-21swapper/320:33:493
1641621410,3sleep30-21swapper/300:21:563
15543991412,2cyclictest0-21swapper/120:29:451
15543991412,2cyclictest0-21swapper/119:37:501
15538991412,1cyclictest749-21snmpd00:22:120
1553899141,12cyclictest0-21swapper/000:30:180
140592149,3sleep30-21swapper/321:29:493
139822149,3sleep30-21swapper/323:23:573
110621410,3sleep30-21swapper/322:42:123
109562147,4sleep30-21swapper/322:20:343
98962139,3sleep30-21swapper/323:50:053
94592139,3sleep30-21swapper/323:47:203
94352139,3sleep30-21swapper/321:51:273
93362139,3sleep30-21swapper/319:55:293
84132138,3sleep30-21swapper/323:19:293
528321310,3sleep30-21swapper/300:12:593
322202139,3sleep30-21swapper/322:11:213
321712139,3sleep30-21swapper/320:16:243
304642139,3sleep30-21swapper/319:45:323
295692139,3sleep30-21swapper/323:08:473
294572139,3sleep30-21swapper/321:12:383
2833421310,3sleep30-21swapper/320:43:033
26562139,3sleep30-21swapper/323:12:323
245552139,3sleep30-21swapper/319:40:473
226662139,3sleep30-21swapper/320:37:183
223402139,3sleep30-21swapper/322:33:003
193572139,3sleep30-21swapper/323:25:583
190492137,3sleep30-21swapper/319:37:323
183702139,3sleep30-21swapper/323:00:073
18022139,3sleep30-21swapper/319:21:093
166112139,3sleep30-21swapper/322:26:143
15543991311,2cyclictest0-21swapper/122:54:021
1553899131,2cyclictest24902-21apt-get19:45:000
150922138,4sleep30-21swapper/320:02:273
14572133,3sleep30-21swapper/320:47:393
131232139,3sleep30-21swapper/319:32:503
122702139,3sleep30-21swapper/322:51:533
115472139,3sleep30-21swapper/320:29:063
75722129,3sleep30-21swapper/319:28:223
66052128,3sleep30-21swapper/322:45:533
5532127,3sleep30-21swapper/320:20:083
153772127,2sleep30-21swapper/323:55:013
109822127,3sleep30-21swapper/300:19:243
1554399119,2cyclictest0-21swapper/100:22:121
15543991110,1cyclictest0-21swapper/120:00:201
155439990,8cyclictest0-21swapper/100:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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