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2026-04-21 - 04:26
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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 Tue Apr 21, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23530216492,7sleep30-21swapper/319:05:153
28057212364,6sleep20-21swapper/219:07:192
27944212127,7sleep00-21swapper/019:05:520
281492115105,7sleep10-21swapper/119:08:301
105012920,1sleep310507-21kthreadcore00:05:173
283422690,1sleep128345-21sed20:05:161
50542650,1sleep35061-21kthreadcore20:40:193
73212630,0sleep10-21swapper/122:10:151
149942630,0sleep30-21swapper/322:45:123
318332560,1sleep20-21swapper/222:00:192
255412560,0sleep00-21swapper/019:30:240
86382540,0sleep10-21swapper/122:40:141
211282540,0sleep00-21swapper/022:20:190
2844299301,28cyclictest0-21swapper/220:47:232
2844299281,26cyclictest0-21swapper/221:20:112
2844299281,26cyclictest0-21swapper/221:20:112
2844299270,26cyclictest0-21swapper/222:36:332
2844299270,26cyclictest0-21swapper/220:40:542
2844299270,26cyclictest0-21swapper/219:38:192
2843599270,26cyclictest0-21swapper/019:43:010
2843599270,26cyclictest0-21swapper/000:08:580
2843599270,26cyclictest0-21swapper/000:03:210
28442992623,2cyclictest0-21swapper/220:00:502
28442992522,2cyclictest0-21swapper/222:24:592
2844299250,19cyclictest0-21swapper/220:16:372
28442992417,7cyclictest0-21swapper/222:15:032
28442992417,7cyclictest0-21swapper/221:05:542
28442992319,3cyclictest0-21swapper/223:10:512
28442992315,7cyclictest0-21swapper/221:29:482
28442992315,7cyclictest0-21swapper/221:29:472
2844299231,4cyclictest0-21swapper/222:06:112
2844299231,21cyclictest0-21swapper/200:05:072
2843999231,21cyclictest0-21swapper/122:04:331
2843999231,21cyclictest0-21swapper/121:00:421
2843999231,21cyclictest0-21swapper/120:59:261
2843999231,21cyclictest0-21swapper/120:53:391
2843999231,21cyclictest0-21swapper/120:45:501
2843999231,21cyclictest0-21swapper/120:20:341
2843999231,21cyclictest0-21swapper/119:43:581
2843999231,21cyclictest0-21swapper/119:25:431
2843999231,21cyclictest0-21swapper/119:20:041
2843999231,21cyclictest0-21swapper/100:02:431
2843999230,22cyclictest0-21swapper/119:51:161
2843599230,22cyclictest0-21swapper/020:38:570
317162220,1sleep331715-21munin-run21:35:003
2844299220,21cyclictest0-21swapper/223:56:012
2844299220,21cyclictest0-21swapper/221:33:352
2843999221,20cyclictest0-21swapper/123:51:461
2843999221,20cyclictest0-21swapper/121:23:391
2843999221,20cyclictest0-21swapper/121:23:381
2843999220,3cyclictest0-21swapper/123:44:221
2843999220,21cyclictest0-21swapper/123:37:361
2843999220,21cyclictest0-21swapper/123:31:551
2843999220,21cyclictest0-21swapper/123:22:491
2843999220,21cyclictest0-21swapper/123:14:361
2843999220,21cyclictest0-21swapper/123:02:251
2843999220,21cyclictest0-21swapper/122:55:421
2843999220,21cyclictest0-21swapper/122:50:311
2843999220,21cyclictest0-21swapper/122:33:111
2843999220,21cyclictest0-21swapper/122:19:291
2843999220,21cyclictest0-21swapper/122:06:291
2843999220,21cyclictest0-21swapper/121:37:201
2843999220,21cyclictest0-21swapper/121:08:231
2843999220,21cyclictest0-21swapper/120:44:021
2843999220,21cyclictest0-21swapper/120:12:591
2843999220,21cyclictest0-21swapper/119:58:221
2843999220,21cyclictest0-21swapper/119:45:201
2843999220,21cyclictest0-21swapper/119:37:281
2843999220,21cyclictest0-21swapper/100:38:131
2843999220,21cyclictest0-21swapper/100:23:371
28435992218,3cyclictest749-21snmpd21:44:090
2843599220,21cyclictest0-21swapper/023:52:430
2844299217,9cyclictest0-21swapper/221:10:112
2844299212,17cyclictest0-21swapper/222:30:162
28442992119,2cyclictest0-21swapper/222:52:402
28442992119,2cyclictest0-21swapper/219:46:042
28442992119,2cyclictest0-21swapper/200:32:572
28442992119,1cyclictest0-21swapper/219:27:312
2844299210,20cyclictest8-21rcu_preempt22:42:042
2844299210,20cyclictest0-21swapper/223:42:282
2844299210,20cyclictest0-21swapper/221:55:562
2844299210,20cyclictest0-21swapper/220:10:372
28439992117,3cyclictest0-21swapper/122:35:331
2843999210,20cyclictest0-21swapper/123:05:251
2843999210,20cyclictest0-21swapper/122:46:121
2843999210,20cyclictest0-21swapper/122:26:211
2843999210,20cyclictest0-21swapper/122:21:301
2843999210,20cyclictest0-21swapper/121:59:181
2843999210,20cyclictest0-21swapper/121:47:211
2843999210,20cyclictest0-21swapper/121:40:381
2843999210,20cyclictest0-21swapper/121:12:231
2843999210,20cyclictest0-21swapper/120:37:121
2843999210,20cyclictest0-21swapper/120:01:461
2843999210,20cyclictest0-21swapper/119:32:281
2843999210,20cyclictest0-21swapper/119:15:311
2843999210,20cyclictest0-21swapper/119:10:401
2843999210,20cyclictest0-21swapper/100:17:181
28435992119,1cyclictest749-21snmpd21:01:240
2843599210,20cyclictest0-21swapper/023:25:040
2843599210,20cyclictest0-21swapper/023:22:570
2843599210,20cyclictest0-21swapper/020:43:260
2843599210,20cyclictest0-21swapper/020:21:550
2843599210,20cyclictest0-21swapper/019:10:160
2843599210,20cyclictest0-21swapper/000:11:520
28442992019,1cyclictest0-21swapper/221:50:172
28442992018,1cyclictest749-21snmpd23:02:402
28442992018,1cyclictest749-21snmpd21:40:292
28442992018,1cyclictest749-21snmpd20:07:582
28442992018,1cyclictest749-21snmpd19:21:102
28442992018,1cyclictest749-21snmpd19:12:402
28442992018,1cyclictest749-21snmpd00:10:282
28442992017,2cyclictest0-21swapper/223:46:282
28442992017,2cyclictest0-21swapper/219:34:462
28442992016,3cyclictest0-21swapper/221:45:122
2844299200,2cyclictest0-21swapper/220:24:172
2844299200,20cyclictest0-21swapper/220:50:542
2844299200,19cyclictest0-21swapper/223:24:262
2844299200,19cyclictest0-21swapper/222:58:162
2844299200,19cyclictest0-21swapper/220:58:502
2844299200,19cyclictest0-21swapper/200:19:052
28439992017,3cyclictest0-21swapper/120:15:431
28439992016,3cyclictest0-21swapper/100:06:251
2843999200,2cyclictest0-21swapper/121:15:181
2843999200,2cyclictest0-21swapper/100:27:071
2843999200,20cyclictest0-21swapper/123:17:461
2843999200,19cyclictest0-21swapper/123:55:521
2843999200,19cyclictest0-21swapper/123:28:521
2843999200,19cyclictest0-21swapper/121:32:511
2843999200,19cyclictest0-21swapper/100:11:431
28435992018,1cyclictest749-21snmpd23:44:220
28435992018,1cyclictest749-21snmpd23:30:070
28435992018,1cyclictest749-21snmpd23:09:450
28435992018,1cyclictest749-21snmpd22:06:300
28435992018,1cyclictest749-21snmpd21:51:590
28435992018,1cyclictest749-21snmpd21:20:570
28435992018,1cyclictest749-21snmpd21:20:560
28435992018,1cyclictest749-21snmpd20:46:390
28435992018,1cyclictest749-21snmpd20:15:550
28435992018,1cyclictest749-21snmpd19:25:430
2844299196,9cyclictest0-21swapper/223:35:112
28442991917,2cyclictest0-21swapper/222:47:392
28442991917,1cyclictest749-21snmpd23:34:372
28442991917,1cyclictest749-21snmpd23:18:192
28442991917,1cyclictest749-21snmpd22:26:512
28442991917,1cyclictest749-21snmpd20:35:412
28442991917,1cyclictest749-21snmpd20:32:352
28442991917,1cyclictest749-21snmpd19:55:102
28442991917,1cyclictest749-21snmpd00:29:192
2844299190,18cyclictest0-21swapper/200:22:412
28439991917,2cyclictest0-21swapper/100:32:131
28439991916,3cyclictest0-21swapper/121:52:051
28439991916,3cyclictest0-21swapper/120:30:531
2843999190,18cyclictest0-21swapper/120:29:361
28435991917,1cyclictest749-21snmpd23:37:370
28435991917,1cyclictest749-21snmpd23:19:520
28435991917,1cyclictest749-21snmpd22:19:290
28435991917,1cyclictest749-21snmpd21:19:330
28435991917,1cyclictest749-21snmpd20:53:020
28435991917,1cyclictest749-21snmpd20:07:100
28435991917,1cyclictest749-21snmpd19:51:190
28435991917,1cyclictest749-21snmpd19:24:130
28435991917,1cyclictest749-21snmpd00:38:130
28435991917,1cyclictest749-21snmpd00:23:370
28435991916,2cyclictest749-21snmpd22:04:320
2843599190,19cyclictest0-21swapper/021:09:170
2843599190,19cyclictest0-21swapper/020:29:320
150921910,3sleep30-21swapper/320:37:183
28442991816,1cyclictest749-21snmpd23:07:012
28442991816,1cyclictest749-21snmpd22:13:452
28442991816,1cyclictest749-21snmpd21:01:532
28442991816,1cyclictest749-21snmpd19:15:072
28442991816,1cyclictest749-21snmpd00:04:282
2844299181,15cyclictest0-21swapper/219:40:172
2843999180,1cyclictest0-21swapper/121:26:301
2843999180,1cyclictest0-21swapper/121:26:291
28435991816,1cyclictest749-21snmpd23:03:520
28435991816,1cyclictest749-21snmpd22:44:210
28435991816,1cyclictest749-21snmpd22:31:290
28435991816,1cyclictest749-21snmpd22:26:200
28435991816,1cyclictest749-21snmpd21:57:240
28435991816,1cyclictest749-21snmpd21:47:450
28435991816,1cyclictest749-21snmpd21:37:200
28435991816,1cyclictest749-21snmpd20:34:140
28435991816,1cyclictest749-21snmpd20:12:590
28435991816,1cyclictest749-21snmpd19:57:050
28435991816,1cyclictest749-21snmpd19:45:190
28435991816,1cyclictest749-21snmpd19:37:280
28435991816,1cyclictest749-21snmpd00:27:070
28435991815,2cyclictest749-21snmpd22:55:570
28435991815,2cyclictest749-21snmpd20:59:260
2843599180,1cyclictest0-21swapper/022:45:010
2844299172,14cyclictest0-21swapper/221:15:522
2844299172,14cyclictest0-21swapper/220:25:232
2844299172,13cyclictest22209-21/usr/sbin/munin23:50:242
2844299171,8cyclictest280-21systemd-journal00:35:312
28442991715,2cyclictest0-21swapper/223:25:062
28442991715,1cyclictest749-21snmpd19:51:012
2844299171,15cyclictest0-21swapper/221:38:132
2843599173,13cyclictest0-21swapper/023:58:570
28435991715,1cyclictest749-21snmpd22:50:310
28435991715,1cyclictest749-21snmpd22:37:360
28435991715,1cyclictest749-21snmpd22:12:000
28435991715,1cyclictest749-21snmpd19:15:310
28435991714,2cyclictest749-21snmpd23:49:300
28435991714,2cyclictest749-21snmpd21:10:350
28435991714,2cyclictest749-21snmpd20:01:460
28435991714,2cyclictest749-21snmpd00:17:190
38382169,3sleep30-21swapper/323:03:153
28435991614,1cyclictest749-21snmpd23:14:370
28435991614,1cyclictest749-21snmpd21:32:510
28435991614,1cyclictest749-21snmpd21:26:290
28435991614,1cyclictest749-21snmpd21:26:290
49752159,3sleep30-21swapper/323:32:513
28435991513,1cyclictest749-21snmpd00:30:100
90732149,3sleep30-21swapper/319:17:133
870121410,3sleep30-21swapper/321:12:063
77992149,3sleep30-21swapper/322:37:083
61612144,3sleep30-21swapper/300:01:513
55321410,3sleep30-21swapper/323:58:143
306132149,3sleep30-21swapper/322:57:473
2828121410,3sleep30-21swapper/320:32:503
2762621410,3sleep30-21swapper/321:58:523
2585821410,3sleep30-21swapper/321:27:333
2585821410,3sleep30-21swapper/321:27:333
2443821410,3sleep30-21swapper/320:59:423
2329721410,3sleep30-21swapper/322:24:593
21932149,3sleep30-21swapper/322:32:413
199962148,3sleep30-21swapper/321:23:173
199962148,3sleep30-21swapper/321:23:163
18392148,3sleep30-21swapper/300:28:023
1574521410,3sleep30-21swapper/319:50:333
145392148,3sleep30-21swapper/319:20:253
1293521410,3sleep30-21swapper/300:36:473
1175121410,3sleep30-21swapper/322:10:333
1138021410,3sleep30-21swapper/320:16:413
1064621410,3sleep30-21swapper/321:41:423
1018521410,3sleep30-21swapper/319:46:043
7502139,3sleep30-21swapper/322:03:053
73652139,3sleep30-21swapper/300:32:023
57552139,3sleep30-21swapper/320:11:113
49552139,3sleep30-21swapper/321:36:143
46432139,3sleep30-21swapper/319:41:363
326302139,3sleep30-21swapper/320:06:433
301672130,0sleep30-21swapper/319:35:193
287092139,3sleep30-21swapper/300:23:213
28439991311,2cyclictest0-21swapper/123:48:221
270752139,3sleep30-21swapper/320:02:143
251372139,3sleep30-21swapper/322:54:193
219782139,3sleep30-21swapper/321:53:083
219162139,3sleep30-21swapper/323:49:173
215552139,3sleep30-21swapper/319:58:303
210452139,3sleep30-21swapper/323:20:103
203852139,3sleep30-21swapper/319:28:543
184502139,3sleep30-21swapper/320:53:563
178192139,3sleep30-21swapper/300:15:083
173602139,3sleep30-21swapper/322:15:473
173052139,3sleep30-21swapper/300:11:243
161922139,3sleep30-21swapper/323:42:323
144662139,3sleep30-21swapper/321:19:193
12592139,3sleep30-21swapper/319:11:443
118972139,3sleep30-21swapper/320:20:083
111402139,3sleep30-21swapper/321:45:113
105572139,3sleep30-21swapper/323:37:203
92902128,3sleep30-21swapper/323:06:123
31002128,3sleep30-21swapper/321:07:073
299092128,3sleep30-21swapper/321:02:093
288342128,3sleep30-21swapper/322:29:123
272222127,3sleep30-21swapper/323:50:463
266232128,3sleep30-21swapper/323:25:063
259882128,3sleep30-21swapper/319:34:073
207802128,3sleep30-21swapper/323:19:543
173062125,3sleep30-21swapper/320:25:013
147112126,3sleep30-21swapper/323:10:253
133462128,2sleep30-21swapper/322:41:063
126142128,3sleep30-21swapper/320:45:433
61992117,3sleep30-21swapper/322:06:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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