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2026-03-29 - 13:58
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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 Mar 29, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28356212766,6sleep10-21swapper/119:09:451
28153212365,6sleep20-21swapper/219:07:082
2338121210,2sleep30-21swapper/319:05:123
280962110100,7sleep00-21swapper/019:06:230
316762670,0sleep20-21swapper/223:00:152
191882650,0sleep30-21swapper/323:15:183
85502640,1sleep20-21swapper/221:10:222
180472610,0sleep118051-21gltestperf23:45:161
100092610,0sleep10-21swapper/119:20:131
100092610,0sleep10-21swapper/119:20:121
114452570,1sleep229-21rcuc/220:15:242
290912560,0sleep00-21swapper/023:55:160
14332550,0sleep20-21swapper/221:05:182
239392490,0sleep223942-21ntp_kernel_err20:55:212
2854699291,27cyclictest0-21swapper/200:35:172
2854699280,27cyclictest0-21swapper/220:09:462
2853899280,27cyclictest0-21swapper/119:38:351
28546992723,3cyclictest0-21swapper/219:12:092
2854699270,26cyclictest0-21swapper/221:26:012
2854699270,26cyclictest0-21swapper/219:57:402
2853899270,26cyclictest0-21swapper/123:57:371
2853899270,26cyclictest0-21swapper/123:44:371
2853899270,26cyclictest0-21swapper/123:15:541
2853899270,26cyclictest0-21swapper/123:08:511
2853899270,26cyclictest0-21swapper/122:18:081
2853899270,26cyclictest0-21swapper/122:11:031
2853899270,26cyclictest0-21swapper/121:58:511
2853899270,26cyclictest0-21swapper/120:49:101
2853899270,26cyclictest0-21swapper/120:26:441
2853899270,26cyclictest0-21swapper/119:49:351
2853899270,26cyclictest0-21swapper/100:38:311
2853899270,26cyclictest0-21swapper/100:26:221
2853899270,26cyclictest0-21swapper/100:22:461
2854699260,25cyclictest0-21swapper/223:48:552
2854699260,25cyclictest0-21swapper/223:43:132
2854699260,25cyclictest0-21swapper/223:31:152
2854699260,25cyclictest0-21swapper/222:58:062
2854699260,25cyclictest0-21swapper/221:02:582
2853899260,25cyclictest0-21swapper/123:51:161
2853899260,25cyclictest0-21swapper/123:13:241
2853899260,25cyclictest0-21swapper/121:43:361
2853899260,25cyclictest0-21swapper/121:29:351
2853899260,25cyclictest0-21swapper/121:17:321
2853899260,25cyclictest0-21swapper/120:42:171
2853899260,25cyclictest0-21swapper/120:21:251
2853899260,25cyclictest0-21swapper/120:02:261
2853899260,25cyclictest0-21swapper/119:11:121
2854699250,24cyclictest0-21swapper/223:29:572
2854699250,24cyclictest0-21swapper/221:46:092
2854699250,24cyclictest0-21swapper/200:10:012
28538992523,2cyclictest0-21swapper/120:13:531
2853899250,24cyclictest0-21swapper/100:01:411
28546992416,7cyclictest0-21swapper/223:54:192
2854699240,23cyclictest0-21swapper/221:52:532
28538992422,2cyclictest0-21swapper/121:36:531
28535992415,8cyclictest0-21swapper/022:10:240
2854699231,3cyclictest0-21swapper/223:18:032
2854699230,22cyclictest0-21swapper/220:51:232
2854699230,17cyclictest0-21swapper/221:17:222
28538992316,7cyclictest0-21swapper/120:54:231
2853899230,22cyclictest0-21swapper/121:49:121
28546992219,2cyclictest749-21snmpd23:57:522
2854699220,21cyclictest0-21swapper/200:01:312
28538992220,2cyclictest0-21swapper/123:33:541
28538992220,2cyclictest0-21swapper/119:41:071
28538992219,3cyclictest0-21swapper/121:04:021
2853899221,20cyclictest0-21swapper/120:16:161
2853899220,21cyclictest0-21swapper/123:24:031
2853899220,21cyclictest0-21swapper/122:45:391
2853899220,21cyclictest0-21swapper/122:38:101
2853899220,21cyclictest0-21swapper/120:35:021
2853899220,21cyclictest0-21swapper/100:18:491
2854699216,14cyclictest0-21swapper/222:05:102
28546992118,2cyclictest749-21snmpd22:32:212
28546992118,2cyclictest749-21snmpd21:42:302
28546992118,2cyclictest749-21snmpd21:30:322
28546992117,3cyclictest0-21swapper/222:19:302
28546992114,7cyclictest0-21swapper/221:20:242
2854699210,20cyclictest0-21swapper/220:28:202
2854699210,20cyclictest0-21swapper/220:14:562
2854699210,20cyclictest0-21swapper/219:43:372
28538992119,2cyclictest0-21swapper/121:09:591
28538992117,3cyclictest0-21swapper/119:16:161
2853899210,2cyclictest0-21swapper/123:25:451
2853899210,20cyclictest0-21swapper/123:01:211
2853899210,20cyclictest0-21swapper/122:41:361
2853899210,20cyclictest0-21swapper/122:22:391
2853899210,20cyclictest0-21swapper/120:31:131
28535992117,2cyclictest749-21snmpd00:00:190
28546992018,2cyclictest0-21swapper/219:36:172
28546992018,2cyclictest0-21swapper/219:33:152
28546992018,2cyclictest0-21swapper/219:15:012
28546992018,1cyclictest749-21snmpd22:49:362
28546992018,1cyclictest749-21snmpd20:46:072
28546992018,1cyclictest749-21snmpd20:22:342
28546992018,1cyclictest749-21snmpd00:32:282
28546992017,2cyclictest16324-21cat19:25:172
28546992017,2cyclictest0-21swapper/220:40:172
28546992016,3cyclictest0-21swapper/200:20:342
2854699200,2cyclictest0-21swapper/223:20:302
28538992018,1cyclictest749-21snmpd22:04:421
28538992017,3cyclictest0-21swapper/120:07:011
2853899200,2cyclictest0-21swapper/120:55:471
2853899200,19cyclictest0-21swapper/122:28:481
2853899200,19cyclictest0-21swapper/100:31:011
2853899200,19cyclictest0-21swapper/100:13:221
28535992018,1cyclictest749-21snmpd22:22:540
28535992018,1cyclictest749-21snmpd21:55:480
28535992018,1cyclictest749-21snmpd21:34:110
28535992018,1cyclictest749-21snmpd21:27:410
28535992018,1cyclictest749-21snmpd20:25:380
28535992018,1cyclictest749-21snmpd20:19:220
28535992018,1cyclictest749-21snmpd20:14:050
28535992018,1cyclictest749-21snmpd00:07:280
2853599200,19cyclictest0-21swapper/022:55:150
2853599200,19cyclictest0-21swapper/000:35:540
2853599200,12cyclictest0-21swapper/022:40:090
2854699193,15cyclictest0-21swapper/222:00:222
28546991917,2cyclictest0-21swapper/223:08:362
28546991917,2cyclictest0-21swapper/222:36:542
28546991917,1cyclictest749-21snmpd23:38:552
28546991917,1cyclictest749-21snmpd23:10:392
28546991917,1cyclictest749-21snmpd22:25:302
28546991917,1cyclictest749-21snmpd22:20:212
28546991917,1cyclictest749-21snmpd20:32:562
28546991917,1cyclictest749-21snmpd19:54:592
28546991917,1cyclictest749-21snmpd19:23:402
28546991917,1cyclictest749-21snmpd19:23:392
28546991917,1cyclictest749-21snmpd00:29:372
28546991917,1cyclictest0-21swapper/200:15:202
2854699190,18cyclictest0-21swapper/221:39:272
2853899192,16cyclictest0-21swapper/122:57:001
28538991917,2cyclictest0-21swapper/121:13:341
28538991916,3cyclictest0-21swapper/123:38:011
28538991916,3cyclictest0-21swapper/121:51:151
28538991916,2cyclictest16469-21sadc19:55:001
2853599196,13cyclictest0-21swapper/019:30:110
28535991917,1cyclictest773-21cat19:40:150
28535991917,1cyclictest749-21snmpd23:22:120
28535991917,1cyclictest749-21snmpd22:16:030
28535991917,1cyclictest749-21snmpd21:05:050
28535991917,1cyclictest749-21snmpd20:30:340
28535991917,1cyclictest749-21snmpd19:24:160
28535991917,1cyclictest749-21snmpd19:24:150
28535991917,1cyclictest749-21snmpd19:19:130
28535991917,1cyclictest749-21snmpd00:24:550
28535991915,3cyclictest749-21snmpd23:12:210
28535991915,2cyclictest749-21snmpd22:30:120
2853599190,2cyclictest25340-21cut22:25:180
2853599190,1cyclictest17702-21apt-get20:25:000
28546991817,0cyclictest749-21snmpd22:42:242
28546991816,1cyclictest749-21snmpd22:52:092
28546991816,1cyclictest749-21snmpd19:49:052
28546991815,2cyclictest749-21snmpd20:39:402
28538991816,2cyclictest0-21swapper/119:26:211
28535991816,2cyclictest0-21swapper/023:26:540
28535991816,2cyclictest0-21swapper/022:51:330
28535991816,1cyclictest749-21snmpd23:34:580
28535991816,1cyclictest749-21snmpd23:17:390
28535991816,1cyclictest749-21snmpd23:01:000
28535991816,1cyclictest749-21snmpd21:42:000
28535991816,1cyclictest749-21snmpd21:14:230
28535991816,1cyclictest749-21snmpd20:55:010
28535991816,1cyclictest749-21snmpd20:52:470
28535991816,1cyclictest749-21snmpd20:47:530
28535991816,1cyclictest749-21snmpd19:57:470
28535991816,1cyclictest749-21snmpd19:36:070
28535991816,1cyclictest749-21snmpd19:29:540
28535991816,1cyclictest749-21snmpd19:12:360
28535991816,1cyclictest749-21snmpd00:15:550
28535991816,1cyclictest0-21swapper/022:04:590
2853599181,15cyclictest0-21swapper/023:40:150
2853599180,17cyclictest0-21swapper/023:35:170
50742177,3sleep30-21swapper/319:42:513
28546991715,1cyclictest749-21snmpd00:05:102
2854699171,14cyclictest0-21swapper/220:00:182
28538991715,2cyclictest0-21swapper/121:24:591
28538991714,2cyclictest0-21swapper/100:09:491
28538991713,3cyclictest0-21swapper/122:07:301
2853899171,15cyclictest0-21swapper/122:55:001
2853899171,15cyclictest0-21swapper/119:57:461
28535991715,2cyclictest0-21swapper/020:35:120
28535991715,1cyclictest749-21snmpd22:45:120
28535991715,1cyclictest749-21snmpd22:36:390
28535991715,1cyclictest749-21snmpd22:06:300
28535991715,1cyclictest749-21snmpd21:51:150
28535991715,1cyclictest749-21snmpd21:21:070
28535991715,1cyclictest749-21snmpd21:16:500
28535991715,1cyclictest749-21snmpd20:04:290
2853599170,16cyclictest0-21swapper/020:40:220
2853599170,16cyclictest0-21swapper/000:30:320
2853599170,11cyclictest0-21swapper/023:50:100
2853599170,11cyclictest0-21swapper/023:05:070
2853599170,11cyclictest0-21swapper/021:35:130
675421610,3sleep30-21swapper/300:00:443
2854699162,13cyclictest0-21swapper/222:10:112
28546991614,1cyclictest749-21snmpd21:57:392
2853899163,12cyclictest0-21swapper/122:30:471
2853899160,15cyclictest0-21swapper/121:30:591
2853899160,10cyclictest0-21swapper/119:33:451
2853599162,13cyclictest0-21swapper/019:45:160
28535991614,1cyclictest749-21snmpd19:50:160
28535991614,1cyclictest749-21snmpd00:14:140
2853599160,11cyclictest0-21swapper/020:05:130
46592158,3sleep30-21swapper/321:36:163
315332159,3sleep30-21swapper/323:25:253
2853599150,14cyclictest0-21swapper/021:46:510
2853599150,14cyclictest0-21swapper/021:00:150
2762621510,3sleep30-21swapper/320:04:333
2634421510,3sleep30-21swapper/323:24:563
2607321510,3sleep30-21swapper/321:28:503
2453521510,3sleep30-21swapper/320:55:473
2307821510,3sleep30-21swapper/322:25:013
211321510,3sleep30-21swapper/322:33:583
1094621510,3sleep30-21swapper/323:38:223
938921410,3sleep30-21swapper/319:18:313
93562149,3sleep30-21swapper/323:07:463
79132149,3sleep30-21swapper/320:42:503
75052149,3sleep30-21swapper/322:35:273
74721410,3sleep30-21swapper/320:09:023
483821410,3sleep30-21swapper/323:31:093
33152148,3sleep30-21swapper/321:05:283
317022148,3sleep30-21swapper/321:34:153
3016921410,3sleep30-21swapper/300:25:073
28535991412,1cyclictest749-21snmpd00:26:470
2794921410,3sleep30-21swapper/323:51:483
2765721410,3sleep30-21swapper/322:00:103
240272148,3sleep30-21swapper/300:16:223
235721410,3sleep30-21swapper/320:38:363
2337421410,3sleep30-21swapper/320:26:553
2237121410,3sleep30-21swapper/323:47:033
207462149,3sleep30-21swapper/319:29:573
1731121410,3sleep30-21swapper/322:18:043
1620821410,3sleep30-21swapper/319:51:523
160021410,3sleep30-21swapper/319:14:023
148302149,3sleep30-21swapper/319:20:433
148302149,3sleep30-21swapper/319:20:433
1333621410,3sleep30-21swapper/322:42:553
119712149,3sleep30-21swapper/320:18:433
1150721410,3sleep30-21swapper/322:10:523
10382149,3sleep30-21swapper/323:55:443
91412139,3sleep30-21swapper/321:13:093
61562139,3sleep30-21swapper/320:11:133
36212139,3sleep30-21swapper/300:30:053
35702139,3sleep30-21swapper/323:00:333
318632139,3sleep30-21swapper/319:37:543
304552139,3sleep30-21swapper/322:57:053
301472139,3sleep30-21swapper/321:00:433
289942139,3sleep30-21swapper/320:31:243
2853599131,9cyclictest0-21swapper/023:45:220
272582139,3sleep30-21swapper/321:58:103
248342139,3sleep30-21swapper/322:52:203
229142139,3sleep30-21swapper/322:23:003
218702139,3sleep30-21swapper/319:57:473
203342139,3sleep30-21swapper/321:22:223
188892139,3sleep30-21swapper/322:47:083
173212139,3sleep30-21swapper/320:20:263
167352139,3sleep30-21swapper/323:41:343
166442133,6sleep30-21swapper/321:50:133
149052139,3sleep30-21swapper/323:11:593
139032139,3sleep30-21swapper/320:50:013
133492137,3sleep30-21swapper/320:45:463
106282139,3sleep30-21swapper/319:47:063
103532139,3sleep30-21swapper/321:41:593
60222128,3sleep30-21swapper/322:07:353
296902128,3sleep30-21swapper/300:21:513
263692128,3sleep30-21swapper/319:34:533
183762126,3sleep30-21swapper/300:11:223
161322128,3sleep30-21swapper/321:48:573
146392128,3sleep30-21swapper/321:16:363
126092128,3sleep30-21swapper/300:08:263
145132117,3sleep30-21swapper/300:38:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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