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2025-12-27 - 03:14
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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 Dec 27, 2025 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23774210696,7sleep20-21swapper/219:05:112
29080210595,7sleep10-21swapper/119:09:511
23767210595,7sleep00-21swapper/019:05:040
28938210494,7sleep30-21swapper/319:08:003
55162630,0sleep10-21swapper/121:35:231
34412560,0sleep30-21swapper/323:30:183
34412560,0sleep30-21swapper/323:30:183
45642540,0sleep00-21swapper/021:35:220
202542530,1sleep00-21swapper/020:55:010
2927499270,26cyclictest0-21swapper/222:55:472
2926999270,26cyclictest0-21swapper/123:21:161
2926999270,26cyclictest0-21swapper/122:08:151
2926999270,26cyclictest0-21swapper/121:31:581
2926999270,26cyclictest0-21swapper/120:23:391
2927499260,25cyclictest0-21swapper/219:13:122
29269992623,2cyclictest0-21swapper/121:19:131
2926999260,25cyclictest0-21swapper/123:43:321
2926999260,25cyclictest0-21swapper/123:16:191
2926999260,25cyclictest0-21swapper/122:32:471
2926999260,25cyclictest0-21swapper/121:07:281
2926999260,25cyclictest0-21swapper/120:16:341
2926999260,25cyclictest0-21swapper/120:05:141
2926999260,25cyclictest0-21swapper/119:48:371
2926999260,25cyclictest0-21swapper/119:26:381
2926999260,25cyclictest0-21swapper/100:22:021
2927499250,24cyclictest0-21swapper/223:53:052
29269992522,2cyclictest0-21swapper/121:27:551
29269992521,3cyclictest0-21swapper/100:35:261
29269992518,7cyclictest0-21swapper/119:35:301
29269992517,8cyclictest0-21swapper/121:14:461
2926999250,24cyclictest0-21swapper/119:54:401
2926999240,23cyclictest0-21swapper/100:32:021
2926699241,22cyclictest10-21rcuc/019:47:580
29274992320,2cyclictest0-21swapper/219:31:172
29269992319,3cyclictest0-21swapper/123:06:101
29274992213,8cyclictest0-21swapper/223:22:392
2927499221,20cyclictest0-21swapper/221:43:492
2927499221,20cyclictest0-21swapper/221:02:442
2927499221,20cyclictest0-21swapper/220:23:072
2927499221,19cyclictest0-21swapper/220:35:112
2927499220,3cyclictest0-21swapper/221:57:062
2927499220,21cyclictest0-21swapper/223:48:502
2927499220,21cyclictest0-21swapper/223:42:352
2927499220,21cyclictest0-21swapper/222:29:552
2927499220,21cyclictest0-21swapper/221:52:342
2927499220,21cyclictest0-21swapper/221:05:222
2927499220,21cyclictest0-21swapper/220:55:332
2927499220,21cyclictest0-21swapper/220:25:392
2927499220,21cyclictest0-21swapper/219:44:172
2927499220,21cyclictest0-21swapper/219:20:062
2927499220,21cyclictest0-21swapper/200:19:082
2927499220,20cyclictest3402-21grep23:00:202
29269992219,3cyclictest0-21swapper/122:58:381
29269992218,3cyclictest0-21swapper/123:25:291
29269992218,3cyclictest0-21swapper/123:25:281
2926999220,21cyclictest0-21swapper/123:58:241
2926999220,21cyclictest0-21swapper/120:49:331
2926999220,21cyclictest0-21swapper/120:13:301
2926999220,21cyclictest0-21swapper/119:41:171
29266992218,3cyclictest750-21snmpd20:28:330
2926699221,2cyclictest16507-21turbostat23:15:000
2926699220,21cyclictest0-21swapper/022:30:130
2926699220,21cyclictest0-21swapper/021:46:520
2926699220,16cyclictest0-21swapper/020:19:280
29274992119,2cyclictest0-21swapper/220:41:332
29274992119,2cyclictest0-21swapper/200:14:412
29274992117,3cyclictest0-21swapper/220:52:152
2927499211,16cyclictest0-21swapper/220:15:112
2927499210,20cyclictest0-21swapper/222:32:112
2927499210,20cyclictest0-21swapper/222:05:462
2927499210,20cyclictest0-21swapper/219:18:362
2927499210,20cyclictest0-21swapper/200:31:412
2927499210,20cyclictest0-21swapper/200:20:052
2927499210,20cyclictest0-21swapper/200:07:472
2927499210,20cyclictest0-21swapper/200:01:022
29269992119,2cyclictest0-21swapper/123:53:351
29269992118,3cyclictest0-21swapper/123:14:171
2926999210,3cyclictest0-21swapper/120:51:391
2926999210,20cyclictest0-21swapper/123:46:501
2926999210,20cyclictest0-21swapper/123:35:111
2926999210,20cyclictest0-21swapper/123:02:341
2926999210,20cyclictest0-21swapper/120:56:571
2926999210,20cyclictest0-21swapper/120:34:101
2926999210,20cyclictest0-21swapper/119:18:241
2926999210,20cyclictest0-21swapper/119:14:241
2926999210,20cyclictest0-21swapper/100:27:531
2926999210,20cyclictest0-21swapper/100:16:261
29266992119,1cyclictest750-21snmpd22:16:560
29266992118,3cyclictest0-21swapper/019:36:540
29266992118,2cyclictest750-21snmpd22:14:500
2926699210,3cyclictest0-21swapper/022:46:490
29274992018,2cyclictest0-21swapper/222:01:012
29274992018,1cyclictest750-21snmpd23:37:202
29274992018,1cyclictest750-21snmpd23:27:152
29274992018,1cyclictest750-21snmpd23:27:142
29274992018,1cyclictest750-21snmpd23:16:282
29274992018,1cyclictest750-21snmpd22:53:072
29274992018,1cyclictest750-21snmpd22:43:022
29274992018,1cyclictest750-21snmpd21:30:222
29274992018,1cyclictest750-21snmpd21:26:432
29274992018,1cyclictest750-21snmpd21:20:342
29274992018,1cyclictest750-21snmpd20:05:372
29274992018,1cyclictest13282-21cat21:45:162
29274992017,2cyclictest0-21swapper/220:12:572
29274992017,2cyclictest0-21swapper/219:39:242
2927499200,2cyclictest0-21swapper/222:12:572
2926999202,16cyclictest0-21swapper/121:50:201
29269992018,2cyclictest0-21swapper/122:45:401
29269992018,2cyclictest0-21swapper/122:36:341
29269992018,2cyclictest0-21swapper/121:21:521
29269992017,3cyclictest0-21swapper/122:17:501
29269992016,3cyclictest0-21swapper/122:50:011
29269992016,3cyclictest0-21swapper/122:40:051
29269992016,3cyclictest0-21swapper/120:26:241
29269992016,3cyclictest0-21swapper/120:03:251
2926999200,2cyclictest0-21swapper/120:42:511
2926999200,20cyclictest0-21swapper/122:21:071
2926999200,20cyclictest0-21swapper/122:13:351
2926999200,20cyclictest0-21swapper/100:06:231
2926999200,19cyclictest0-21swapper/123:30:561
2926999200,19cyclictest0-21swapper/123:30:561
2926999200,19cyclictest0-21swapper/121:57:131
29266992018,1cyclictest750-21snmpd23:47:560
29266992018,1cyclictest750-21snmpd23:36:500
29266992018,1cyclictest750-21snmpd23:17:190
29266992018,1cyclictest750-21snmpd22:42:530
29266992018,1cyclictest750-21snmpd22:36:590
29266992018,1cyclictest750-21snmpd21:51:330
29266992018,1cyclictest750-21snmpd21:32:310
29266992018,1cyclictest750-21snmpd21:27:280
29266992018,1cyclictest750-21snmpd21:16:220
29266992018,1cyclictest750-21snmpd21:07:490
29266992018,1cyclictest750-21snmpd21:02:580
29266992018,1cyclictest750-21snmpd20:58:100
29266992018,1cyclictest750-21snmpd20:45:480
29266992018,1cyclictest750-21snmpd20:38:270
29266992018,1cyclictest750-21snmpd20:03:550
29266992018,1cyclictest750-21snmpd19:27:590
29266992018,1cyclictest750-21snmpd19:24:480
29266992018,1cyclictest750-21snmpd19:14:360
29266992018,1cyclictest750-21snmpd00:11:110
29266992018,1cyclictest0-21swapper/000:25:120
29266992017,2cyclictest750-21snmpd21:23:010
29266992017,2cyclictest750-21snmpd00:08:410
2926699200,19cyclictest0-21swapper/019:55:210
2927499195,13cyclictest0-21swapper/220:30:132
29274991917,1cyclictest750-21snmpd22:45:292
29274991917,1cyclictest750-21snmpd22:39:342
29274991917,1cyclictest750-21snmpd21:38:132
29274991917,1cyclictest750-21snmpd20:45:342
29274991917,1cyclictest750-21snmpd19:59:272
29274991917,1cyclictest750-21snmpd19:50:462
29274991917,1cyclictest750-21snmpd19:27:242
2927499190,14cyclictest0-21swapper/223:56:212
2927499190,14cyclictest0-21swapper/221:17:272
29269991917,2cyclictest0-21swapper/121:49:341
29269991917,2cyclictest0-21swapper/119:20:571
29269991917,2cyclictest0-21swapper/100:14:291
29269991916,3cyclictest0-21swapper/119:32:421
29269991915,3cyclictest0-21swapper/121:41:221
2926999190,19cyclictest0-21swapper/122:27:051
2926999190,19cyclictest0-21swapper/121:01:581
2926999190,18cyclictest0-21swapper/122:00:121
29266991917,1cyclictest750-21snmpd20:30:480
29266991917,1cyclictest750-21snmpd20:20:060
29266991917,1cyclictest750-21snmpd20:13:540
29266991917,1cyclictest750-21snmpd19:52:540
29266991917,1cyclictest750-21snmpd00:21:020
29266991916,2cyclictest750-21snmpd23:57:410
29266991916,2cyclictest750-21snmpd19:32:540
2926699190,17cyclictest0-21swapper/023:05:000
2927499183,14cyclictest0-21swapper/223:30:242
2927499183,14cyclictest0-21swapper/223:30:232
29274991817,0cyclictest750-21snmpd23:13:592
29274991816,2cyclictest0-21swapper/222:19:112
29274991816,1cyclictest750-21snmpd23:05:042
29274991816,1cyclictest750-21snmpd22:21:292
29274991816,1cyclictest750-21snmpd21:12:102
29274991816,1cyclictest750-21snmpd20:01:362
29274991816,1cyclictest750-21snmpd19:48:212
29274991816,1cyclictest750-21snmpd00:27:472
2927499180,2cyclictest0-21swapper/200:37:422
29269991816,2cyclictest0-21swapper/119:58:151
29269991814,3cyclictest0-21swapper/120:35:161
2926699183,12cyclictest0-21swapper/022:04:460
29266991816,1cyclictest750-21snmpd23:26:010
29266991816,1cyclictest750-21snmpd23:26:010
29266991816,1cyclictest750-21snmpd23:07:230
29266991816,1cyclictest750-21snmpd22:59:440
29266991816,1cyclictest750-21snmpd22:50:050
29266991816,1cyclictest750-21snmpd22:22:520
29266991816,1cyclictest750-21snmpd21:59:340
29266991816,1cyclictest750-21snmpd00:33:140
29266991816,1cyclictest750-21snmpd00:15:260
29266991815,2cyclictest750-21snmpd23:50:110
29266991715,1cyclictest750-21snmpd23:30:030
29266991715,1cyclictest750-21snmpd23:30:020
29266991715,1cyclictest750-21snmpd22:09:390
29266991715,1cyclictest750-21snmpd21:13:020
29266991715,1cyclictest750-21snmpd19:40:560
2926699171,13cyclictest0-21swapper/021:44:420
2926699170,11cyclictest0-21swapper/023:40:160
2926699170,11cyclictest0-21swapper/022:25:240
29266991614,1cyclictest750-21snmpd20:06:090
29266991614,1cyclictest750-21snmpd19:16:320
29266991614,1cyclictest750-21snmpd00:35:220
29266991614,1cyclictest750-21snmpd00:02:290
2926699161,13cyclictest10-21rcuc/020:44:320
2926999140,14cyclictest0-21swapper/100:01:081
29266991412,1cyclictest750-21snmpd23:20:290
135382110,0sleep30-21swapper/319:50:173
126902110,2sleep30-21swapper/323:40:123
104982110,2sleep30-21swapper/319:19:223
158712100,1sleep3391ktimersoftd/323:10:233
6835291,5sleep30-21swapper/320:10:193
31963290,5sleep30-21swapper/321:05:143
9868281,4sleep39982-21grep22:40:123
8448282,3sleep30-21swapper/300:30:223
3903281,4sleep30-21swapper/322:35:133
32287282,3sleep30-21swapper/321:30:213
30466280,2sleep30-21swapper/300:24:013
26873282,3sleep30-21swapper/321:00:173
2055282,2sleep30-21swapper/319:10:453
13124280,2sleep30-21swapper/320:16:363
8065270,1sleep30-21swapper/300:04:043
6027270,4sleep30-21swapper/320:40:193
28236270,3sleep328351-21ntp_states21:55:203
27151271,3sleep30-21swapper/319:31:223
25538272,3sleep30-21swapper/322:25:153
22582271,3sleep30-21swapper/323:45:213
2183272,3sleep30-21swapper/320:09:563
20251270,4sleep30-21swapper/322:20:193
19000272,2sleep30-21swapper/320:25:013
18575271,3sleep30-21swapper/320:20:253
1202270,4sleep30-21swapper/319:40:133
11657270,4sleep30-21swapper/321:15:153
10643270,3sleep30-21swapper/321:12:233
935261,3sleep30-21swapper/319:39:573
7212261,3sleep30-21swapper/321:40:143
5739260,3sleep30-21swapper/321:35:263
5705261,2sleep35934-21diskstats23:05:113
4916260,3sleep30-21swapper/323:00:283
31856261,2sleep30-21swapper/322:30:203
30858261,2sleep331117-21perl20:35:153
30779260,4sleep30-21swapper/300:25:093
30390261,2sleep30-21swapper/323:55:183
29250260,3sleep30-21swapper/322:00:013
28905261,3sleep30-21swapper/320:03:223
28226262,2sleep30-21swapper/323:25:153
28226262,2sleep30-21swapper/323:25:143
27303262,2sleep30-21swapper/321:25:243
27114261,2sleep327352-21perl22:55:143
25719260,3sleep30-21swapper/320:30:183
2472260,3sleep30-21swapper/322:05:013
23895260,3sleep30-21swapper/323:50:133
22731260,3sleep30-21swapper/321:50:193
21702261,3sleep30-21swapper/319:28:233
21512261,3sleep30-21swapper/322:50:143
19040261,3sleep30-21swapper/319:55:183
18977260,3sleep30-21swapper/322:16:233
17874262,2sleep30-21swapper/321:20:163
16940260,3sleep30-21swapper/321:45:233
16487260,3sleep30-21swapper/323:15:023
15924262,3sleep30-21swapper/319:21:063
13366261,2sleep30-21swapper/300:05:273
12020262,3sleep30-21swapper/319:47:043
9259250,2sleep30-21swapper/320:45:113
8528250,2sleep38733-21diskstats22:10:133
7221250,2sleep37445-21diskstats23:35:113
22333250,2sleep30-21swapper/323:20:093
21009250,3sleep30-21swapper/320:55:173
19894252,2sleep30-21swapper/320:51:043
19560252,2sleep30-21swapper/300:15:083
15464250,3sleep30-21swapper/322:45:023
13968251,3sleep30-21swapper/300:10:113
10320250,2sleep30-21swapper/300:35:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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