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2026-04-11 - 10:24
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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 Sat Apr 11, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12210212765,7sleep10-21swapper/119:07:421
12068212262,7sleep00-21swapper/019:05:540
121202121112,6sleep20-21swapper/219:06:352
12121210999,7sleep30-21swapper/319:06:363
60672610,0sleep10-21swapper/121:25:141
308232600,6sleep01255599cyclictest00:40:000
95222570,0sleep30-21swapper/320:30:173
96922560,1sleep03-21ksoftirqd/022:55:000
188222560,0sleep10-21swapper/120:10:181
21132550,0sleep20-21swapper/221:20:192
1256299310,3cyclictest0-21swapper/219:40:122
12560992815,12cyclictest0-21swapper/119:15:121
1256299270,26cyclictest0-21swapper/223:33:552
1256299270,26cyclictest0-21swapper/223:26:292
1256299270,26cyclictest0-21swapper/221:49:572
1256299270,26cyclictest0-21swapper/221:49:562
1256299270,26cyclictest0-21swapper/221:15:302
1256299270,26cyclictest0-21swapper/200:35:372
1256099270,26cyclictest0-21swapper/123:58:431
1256099270,26cyclictest0-21swapper/123:48:431
1256099270,26cyclictest0-21swapper/122:50:421
1256099270,26cyclictest0-21swapper/122:47:541
1256099270,26cyclictest0-21swapper/122:09:541
1256099270,26cyclictest0-21swapper/120:50:551
1256099270,26cyclictest0-21swapper/119:25:321
1256099270,26cyclictest0-21swapper/100:01:351
1255599270,26cyclictest0-21swapper/020:08:530
12562992622,3cyclictest0-21swapper/223:49:522
1256299260,25cyclictest0-21swapper/223:11:092
1256299260,25cyclictest0-21swapper/221:00:452
1256299260,25cyclictest0-21swapper/220:49:562
1256099267,17cyclictest0-21swapper/122:20:111
1256099260,26cyclictest0-21swapper/121:35:421
1256099260,25cyclictest0-21swapper/123:14:431
1256099260,25cyclictest0-21swapper/122:01:061
1256099260,25cyclictest0-21swapper/120:48:351
1256099260,25cyclictest0-21swapper/100:11:221
12562992522,2cyclictest0-21swapper/200:31:412
12562992521,3cyclictest0-21swapper/220:50:152
12562992516,8cyclictest0-21swapper/219:53:582
1256099259,15cyclictest0-21swapper/119:55:111
12560992523,2cyclictest0-21swapper/120:23:591
1256099250,24cyclictest0-21swapper/123:36:351
1256099250,24cyclictest0-21swapper/119:12:441
12562992422,2cyclictest0-21swapper/222:19:542
1255599240,23cyclictest0-21swapper/020:53:050
12562992321,2cyclictest0-21swapper/219:26:492
1256299230,18cyclictest0-21swapper/200:10:192
1256099232,20cyclictest0-21swapper/119:23:211
1256099230,23cyclictest0-21swapper/123:53:311
1256099230,23cyclictest0-21swapper/121:52:421
1256099230,23cyclictest0-21swapper/100:38:401
1256099230,22cyclictest0-21swapper/123:17:241
1255599230,22cyclictest0-21swapper/023:14:410
1256299228,9cyclictest0-21swapper/222:10:162
12562992219,3cyclictest0-21swapper/220:31:262
12562992218,3cyclictest0-21swapper/222:21:332
12562992218,3cyclictest0-21swapper/219:23:292
1256299220,21cyclictest0-21swapper/200:26:012
1256099220,21cyclictest0-21swapper/120:37:201
1256099220,21cyclictest0-21swapper/119:35:461
12555992218,2cyclictest752-21lldpd21:46:220
12555992218,2cyclictest752-21lldpd21:46:220
12555992218,2cyclictest749-21snmpd23:39:550
12562992119,2cyclictest0-21swapper/222:52:032
12562992118,2cyclictest749-21snmpd21:09:592
12562992118,2cyclictest749-21snmpd20:56:262
12562992118,2cyclictest749-21snmpd20:08:412
12562992117,3cyclictest0-21swapper/200:07:192
1256299210,20cyclictest0-21swapper/222:55:032
1256299210,20cyclictest0-21swapper/219:55:112
1256299210,20cyclictest0-21swapper/219:36:462
1256299210,20cyclictest0-21swapper/219:15:402
12560992118,2cyclictest0-21swapper/121:56:031
1256099210,3cyclictest0-21swapper/122:17:211
1256099210,2cyclictest0-21swapper/123:44:071
1256099210,21cyclictest0-21swapper/121:20:151
1256099210,20cyclictest0-21swapper/123:29:371
1256099210,20cyclictest0-21swapper/122:59:451
1256099210,20cyclictest0-21swapper/122:28:151
1256099210,20cyclictest0-21swapper/121:35:001
1256099210,20cyclictest0-21swapper/121:13:121
1256099210,20cyclictest0-21swapper/120:58:211
1256099210,20cyclictest0-21swapper/119:43:201
1256099210,20cyclictest0-21swapper/119:30:231
1256099210,20cyclictest0-21swapper/100:32:461
1256099210,20cyclictest0-21swapper/100:20:521
1256099210,20cyclictest0-21swapper/100:15:411
1255599210,20cyclictest0-21swapper/023:06:060
12562992018,2cyclictest0-21swapper/223:42:342
12562992018,1cyclictest749-21snmpd23:39:222
12562992018,1cyclictest749-21snmpd23:19:392
12562992018,1cyclictest749-21snmpd22:44:452
12562992018,1cyclictest749-21snmpd19:48:142
12562992018,1cyclictest749-21snmpd00:01:102
12562992018,1cyclictest6757-21apt-get23:50:022
12562992017,2cyclictest749-21snmpd00:24:252
1256299200,2cyclictest0-21swapper/222:34:512
1256299200,2cyclictest0-21swapper/200:19:412
1256299200,20cyclictest0-21swapper/220:18:252
1256299200,18cyclictest0-21swapper/222:45:132
12560992016,3cyclictest0-21swapper/121:19:351
1256099200,2cyclictest0-21swapper/121:03:571
1256099200,2cyclictest0-21swapper/120:43:081
1256099200,2cyclictest0-21swapper/120:28:371
1256099200,20cyclictest0-21swapper/122:11:361
1256099200,20cyclictest0-21swapper/121:42:361
1256099200,20cyclictest0-21swapper/119:52:321
1256099200,19cyclictest0-21swapper/120:00:431
12555992018,1cyclictest749-21snmpd23:41:250
12555992018,1cyclictest749-21snmpd22:59:180
12555992018,1cyclictest749-21snmpd22:46:420
12555992018,1cyclictest749-21snmpd22:38:090
12555992018,1cyclictest749-21snmpd22:20:270
12555992018,1cyclictest749-21snmpd22:17:490
12555992018,1cyclictest749-21snmpd22:11:510
12555992018,1cyclictest749-21snmpd21:33:510
12555992018,1cyclictest749-21snmpd20:39:280
12555992018,1cyclictest749-21snmpd20:12:220
12555992018,1cyclictest749-21snmpd20:01:590
12555992018,1cyclictest749-21snmpd19:34:130
12555992017,2cyclictest22049-21awk23:35:000
12555992016,4cyclictest0-21swapper/023:58:580
299622191,4sleep30-21swapper/322:40:223
12562991917,2cyclictest0-21swapper/222:04:542
12562991917,1cyclictest749-21snmpd23:09:032
12562991917,1cyclictest749-21snmpd21:57:152
12562991917,1cyclictest749-21snmpd21:34:062
12562991917,1cyclictest749-21snmpd21:11:242
12562991916,2cyclictest749-21snmpd22:07:422
12562991915,3cyclictest0-21swapper/221:50:162
12562991915,3cyclictest0-21swapper/220:14:562
12562991915,3cyclictest0-21swapper/220:04:222
1256299190,19cyclictest0-21swapper/219:11:112
1256299190,18cyclictest0-21swapper/223:01:302
12560991917,2cyclictest0-21swapper/120:15:591
12560991917,2cyclictest0-21swapper/100:05:041
1256099190,2cyclictest0-21swapper/122:32:491
1256099190,19cyclictest0-21swapper/119:46:491
1255599196,7cyclictest12678-21/usr/sbin/munin19:10:220
1255599195,13cyclictest0-21swapper/021:20:230
12555991917,1cyclictest749-21snmpd23:51:070
12555991917,1cyclictest749-21snmpd23:25:010
12555991917,1cyclictest749-21snmpd23:21:260
12555991917,1cyclictest749-21snmpd22:29:030
12555991917,1cyclictest749-21snmpd21:50:540
12555991917,1cyclictest749-21snmpd21:36:150
12555991917,1cyclictest749-21snmpd20:41:110
12555991917,1cyclictest749-21snmpd20:28:200
12555991917,1cyclictest749-21snmpd20:20:440
12555991917,1cyclictest749-21snmpd19:57:050
12555991917,1cyclictest749-21snmpd19:26:140
12555991917,1cyclictest749-21snmpd00:17:280
12555991917,1cyclictest749-21snmpd00:05:010
12555991917,1cyclictest749-21snmpd00:03:290
1255599190,2cyclictest0-21swapper/019:35:380
1255599190,13cyclictest0-21swapper/000:33:590
12562991816,2cyclictest0-21swapper/221:43:512
12562991816,1cyclictest749-21snmpd23:59:042
12562991816,1cyclictest749-21snmpd23:20:572
12562991816,1cyclictest749-21snmpd21:39:572
12562991816,1cyclictest749-21snmpd20:44:132
12562991816,1cyclictest749-21snmpd20:38:592
12562991816,1cyclictest749-21snmpd20:25:382
12562991816,1cyclictest749-21snmpd19:32:202
1256099183,14cyclictest0-21swapper/123:20:221
1255599184,13cyclictest0-21swapper/021:15:220
12555991816,1cyclictest749-21snmpd23:45:560
12555991816,1cyclictest749-21snmpd23:17:420
12555991816,1cyclictest749-21snmpd22:41:300
12555991816,1cyclictest749-21snmpd22:32:480
12555991816,1cyclictest749-21snmpd21:55:030
12555991816,1cyclictest749-21snmpd21:27:030
12555991816,1cyclictest749-21snmpd20:58:300
12555991816,1cyclictest749-21snmpd20:46:050
12555991816,1cyclictest749-21snmpd20:31:440
12555991816,1cyclictest749-21snmpd19:47:490
12555991816,1cyclictest749-21snmpd19:16:470
12555991816,1cyclictest749-21snmpd00:21:490
12555991816,1cyclictest749-21snmpd00:11:440
1255599180,11cyclictest0-21swapper/019:20:090
1256299173,14cyclictest0-21swapper/221:27:292
1256299171,15cyclictest0-21swapper/222:37:272
1256099173,8cyclictest12731-21/usr/sbin/munin20:30:231
12560991713,3cyclictest0-21swapper/100:27:201
1255599172,14cyclictest0-21swapper/019:43:270
12555991715,1cyclictest749-21snmpd22:08:420
1255599170,16cyclictest0-21swapper/021:40:590
1255599170,13cyclictest0-21swapper/021:10:210
1255599170,11cyclictest0-21swapper/022:00:160
275902169,3sleep30-21swapper/323:39:413
2272821610,3sleep30-21swapper/320:10:533
12562991615,0cyclictest749-21snmpd22:26:092
12560991614,2cyclictest0-21swapper/123:03:211
12560991614,2cyclictest0-21swapper/122:41:331
12560991614,2cyclictest0-21swapper/122:37:571
1256099161,11cyclictest0-21swapper/123:09:581
1256099160,9cyclictest0-21swapper/120:05:101
1256099160,10cyclictest0-21swapper/123:32:011
1256099160,10cyclictest0-21swapper/121:45:251
1256099160,10cyclictest0-21swapper/121:45:251
1255599162,13cyclictest0-21swapper/021:00:160
12555991614,1cyclictest749-21snmpd00:28:110
94292155,3sleep30-21swapper/322:53:033
24832159,3sleep30-21swapper/322:17:073
1256299150,14cyclictest0-21swapper/220:20:022
1256099150,15cyclictest0-21swapper/121:06:451
12555991513,1cyclictest749-21snmpd21:05:420
1255599150,14cyclictest0-21swapper/020:15:150
1255599150,14cyclictest0-21swapper/019:50:230
117862150,0sleep30-21swapper/322:25:193
115502159,5sleep30-21swapper/320:01:563
728021410,3sleep30-21swapper/320:28:033
642521410,3sleep30-21swapper/323:45:533
503821410,3sleep30-21swapper/323:18:023
480321410,3sleep30-21swapper/321:21:283
389021410,3sleep30-21swapper/322:48:433
3176721410,3sleep30-21swapper/321:18:453
305482149,3sleep30-21swapper/300:36:513
2991121410,3sleep30-21swapper/320:45:573
2950821410,3sleep30-21swapper/322:14:553
2587421410,3sleep30-21swapper/319:19:423
249232149,3sleep30-21swapper/300:31:243
2390221410,3sleep30-21swapper/300:03:033
216762149,3sleep30-21swapper/323:30:283
216262144,3sleep30-21swapper/319:42:243
2065121410,3sleep30-21swapper/323:02:543
1875821410,3sleep30-21swapper/320:37:003
1812221410,3sleep30-21swapper/323:57:353
171821410,3sleep30-21swapper/320:23:343
1713921410,3sleep30-21swapper/320:06:233
1650121410,3sleep30-21swapper/321:32:543
1491921410,3sleep30-21swapper/322:56:403
1474521410,3sleep30-21swapper/321:01:063
1266521410,3sleep30-21swapper/319:10:023
1256521410,3sleep30-21swapper/321:58:453
125221410,3sleep30-21swapper/321:47:203
125221410,3sleep30-21swapper/321:47:203
9332138,3sleep30-21swapper/323:42:383
91422139,3sleep30-21swapper/320:57:223
83162139,3sleep30-21swapper/322:24:363
81902139,3sleep30-21swapper/300:17:133
67452138,3sleep30-21swapper/321:51:003
44932139,3sleep30-21swapper/319:27:393
36142139,3sleep30-21swapper/320:53:543
326572137,3sleep30-21swapper/319:50:253
318922139,3sleep30-21swapper/323:13:183
279642138,3sleep30-21swapper/321:41:033
271272139,3sleep30-21swapper/319:46:023
261682139,3sleep30-21swapper/321:14:003
248742139,3sleep30-21swapper/322:36:013
24542138,3sleep30-21swapper/300:10:283
243362139,3sleep30-21swapper/320:41:123
238882139,3sleep30-21swapper/322:09:263
223272139,3sleep30-21swapper/321:36:073
204202139,3sleep30-21swapper/321:07:033
193232138,3sleep30-21swapper/300:26:103
180992139,3sleep30-21swapper/322:02:143
161572139,3sleep30-21swapper/323:26:433
137732139,3sleep30-21swapper/300:21:433
1255599130,11cyclictest0-21swapper/023:00:110
125132139,3sleep30-21swapper/323:52:503
107982139,3sleep30-21swapper/321:27:263
106692139,3sleep30-21swapper/323:23:153
100232139,3sleep30-21swapper/319:31:523
60952128,3sleep30-21swapper/319:58:553
293942128,3sleep30-21swapper/300:06:453
261492122,3sleep30-21swapper/323:06:213
230492126,3sleep30-21swapper/320:15:013
195542128,3sleep30-21swapper/322:34:453
155482127,3sleep30-21swapper/319:35:373
313702117,3sleep30-21swapper/319:23:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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