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2026-05-20 - 15:50
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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 Wed May 20, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13603212565,7sleep00-21swapper/007:08:110
135822125115,7sleep10-21swapper/107:07:561
13439212565,7sleep30-21swapper/307:06:103
136052115104,6sleep20-21swapper/207:08:142
158842630,1sleep00-21swapper/008:05:180
1391099300,29cyclictest0-21swapper/011:00:140
1391999281,26cyclictest0-21swapper/208:57:032
1391999270,26cyclictest0-21swapper/212:28:202
1391999251,23cyclictest0-21swapper/211:44:562
1391999251,19cyclictest0-21swapper/210:15:272
1391999250,2cyclictest0-21swapper/208:20:452
1391999250,2cyclictest0-21swapper/208:20:442
1391999250,25cyclictest0-21swapper/209:55:452
13915992517,7cyclictest0-21swapper/111:54:051
13919992422,2cyclictest0-21swapper/211:15:022
13919992418,5cyclictest749-21snmpd08:49:212
13919992418,4cyclictest749-21snmpd08:40:172
13919992417,6cyclictest749-21snmpd10:38:192
13915992421,2cyclictest0-21swapper/110:00:181
1391599241,4cyclictest0-21swapper/110:05:001
13919992317,5cyclictest749-21snmpd12:34:022
13919992316,6cyclictest749-21snmpd09:49:182
13919992316,6cyclictest749-21snmpd07:23:532
13919992315,7cyclictest749-21snmpd12:05:382
1391999231,21cyclictest0-21swapper/211:36:012
1391999230,22cyclictest0-21swapper/211:50:192
1391999230,22cyclictest0-21swapper/209:54:332
13915992321,2cyclictest0-21swapper/107:13:141
13919992218,3cyclictest0-21swapper/208:00:202
13919992217,4cyclictest0-21swapper/209:22:392
13919992216,5cyclictest749-21snmpd11:13:282
13919992214,7cyclictest749-21snmpd09:32:542
1391999221,3cyclictest0-21swapper/211:26:552
1391999220,21cyclictest0-21swapper/212:04:372
1391999220,21cyclictest0-21swapper/211:46:252
1391999220,21cyclictest0-21swapper/208:28:062
1391999220,19cyclictest280-21systemd-journal07:56:402
13915992220,2cyclictest0-21swapper/112:24:051
13915992220,2cyclictest0-21swapper/112:06:441
13915992219,3cyclictest0-21swapper/110:14:121
13915992219,3cyclictest0-21swapper/109:31:491
1391599220,20cyclictest417-21munin-run07:25:001
1391099220,21cyclictest0-21swapper/012:24:310
1391099220,21cyclictest0-21swapper/012:13:590
1391099220,21cyclictest0-21swapper/008:50:490
1391099220,16cyclictest0-21swapper/008:17:340
13919992118,2cyclictest0-21swapper/207:17:442
13919992117,3cyclictest0-21swapper/207:44:312
13919992115,5cyclictest749-21snmpd11:08:462
13919992115,5cyclictest749-21snmpd07:33:142
1391999211,18cyclictest0-21swapper/211:30:212
1391999210,4cyclictest0-21swapper/207:11:052
1391999210,2cyclictest0-21swapper/209:25:032
1391999210,20cyclictest0-21swapper/212:16:432
1391999210,20cyclictest0-21swapper/211:02:072
1391999210,20cyclictest0-21swapper/210:44:192
1391999210,20cyclictest0-21swapper/209:18:182
1391999210,20cyclictest0-21swapper/208:05:142
1391999210,14cyclictest17812-21/usr/sbin/munin09:35:202
13915992120,1cyclictest0-21swapper/111:20:161
13915992119,2cyclictest0-21swapper/112:29:381
13915992119,2cyclictest0-21swapper/111:04:051
13915992119,2cyclictest0-21swapper/110:50:041
13915992119,2cyclictest0-21swapper/110:28:251
13915992119,2cyclictest0-21swapper/108:54:331
13915992119,2cyclictest0-21swapper/108:26:351
13915992117,3cyclictest0-21swapper/111:49:461
13915992117,3cyclictest0-21swapper/111:36:581
13915992117,3cyclictest0-21swapper/108:05:321
13915992117,3cyclictest0-21swapper/107:57:231
13915992116,4cyclictest0-21swapper/107:37:501
13915992113,7cyclictest0-21swapper/108:42:421
1391599210,2cyclictest0-21swapper/108:31:301
1391599210,20cyclictest0-21swapper/112:37:391
1391599210,20cyclictest0-21swapper/112:34:181
1391599210,20cyclictest0-21swapper/112:02:521
1391599210,20cyclictest0-21swapper/111:42:411
1391599210,20cyclictest0-21swapper/111:12:521
1391599210,20cyclictest0-21swapper/111:09:551
1391599210,20cyclictest0-21swapper/110:42:521
1391599210,20cyclictest0-21swapper/110:36:081
1391599210,20cyclictest0-21swapper/109:49:491
1391599210,20cyclictest0-21swapper/109:14:331
1391599210,20cyclictest0-21swapper/109:08:541
1391599210,20cyclictest0-21swapper/108:57:391
1391599210,20cyclictest0-21swapper/107:42:351
13910992119,1cyclictest749-21snmpd12:34:420
1391099210,20cyclictest0-21swapper/010:56:580
323692200,1sleep332375-21unixbench-2d07:20:233
1391999207,9cyclictest0-21swapper/208:35:092
1391999207,6cyclictest28995-21/usr/sbin/munin07:50:182
1391999206,11cyclictest280-21systemd-journal12:22:342
13919992018,2cyclictest0-21swapper/208:15:392
13919992018,1cyclictest749-21snmpd10:46:192
13919992018,1cyclictest749-21snmpd09:03:572
13919992018,1cyclictest749-21snmpd08:13:572
13919992015,4cyclictest749-21snmpd09:44:092
13919992014,5cyclictest749-21snmpd07:36:502
13919992013,6cyclictest749-21snmpd09:14:452
13919992013,6cyclictest749-21snmpd09:06:182
1391999200,19cyclictest0-21swapper/212:13:172
13915992018,2cyclictest0-21swapper/112:11:311
13915992018,2cyclictest0-21swapper/109:23:331
13915992018,2cyclictest0-21swapper/108:38:211
13915992017,2cyclictest20748-21munin-run10:35:001
13915992017,2cyclictest0-21swapper/111:25:171
1391599200,19cyclictest0-21swapper/110:47:431
1391599200,19cyclictest0-21swapper/109:43:121
1391599200,19cyclictest0-21swapper/109:39:301
1391599200,19cyclictest0-21swapper/107:30:051
1391099207,12cyclictest0-21swapper/009:25:120
1391099205,14cyclictest0-21swapper/011:25:240
1391099205,14cyclictest0-21swapper/009:40:190
13910992018,1cyclictest749-21snmpd12:26:380
13910992018,1cyclictest749-21snmpd12:18:380
13910992018,1cyclictest749-21snmpd11:58:520
13910992018,1cyclictest749-21snmpd11:54:440
13910992018,1cyclictest749-21snmpd10:13:300
13910992018,1cyclictest749-21snmpd09:49:540
13910992018,1cyclictest749-21snmpd09:05:570
13910992018,1cyclictest749-21snmpd08:25:450
13910992018,1cyclictest749-21snmpd07:24:320
13910992018,1cyclictest749-21snmpd07:15:040
13910992017,2cyclictest15564-21munin-run09:05:010
13910992014,6cyclictest0-21swapper/007:30:160
253602199,3sleep30-21swapper/308:42:303
13919991917,2cyclictest0-21swapper/208:50:092
13919991917,1cyclictest749-21snmpd10:24:282
13919991913,5cyclictest749-21snmpd10:50:202
13919991911,7cyclictest749-21snmpd08:32:272
1391999190,2cyclictest9730-21wget10:25:112
1391599195,13cyclictest0-21swapper/110:20:231
1391599195,13cyclictest0-21swapper/109:50:101
13915991917,2cyclictest0-21swapper/107:28:371
13915991916,3cyclictest0-21swapper/110:56:011
13915991913,6cyclictest0-21swapper/108:19:301
1391599190,2cyclictest0-21swapper/108:47:241
1391599190,2cyclictest0-21swapper/108:13:031
1391599190,19cyclictest0-21swapper/110:17:061
1391599190,17cyclictest0-21swapper/111:30:111
1391099193,13cyclictest0-21swapper/010:31:140
1391099192,14cyclictest0-21swapper/008:49:140
13910991917,1cyclictest749-21snmpd11:33:460
13910991917,1cyclictest749-21snmpd10:51:250
13910991917,1cyclictest749-21snmpd10:47:290
13910991917,1cyclictest749-21snmpd10:41:550
13910991917,1cyclictest749-21snmpd10:29:040
13910991917,1cyclictest749-21snmpd10:08:330
13910991917,1cyclictest749-21snmpd10:02:300
13910991917,1cyclictest749-21snmpd09:51:060
13910991917,1cyclictest749-21snmpd09:35:000
13910991917,1cyclictest749-21snmpd09:15:120
13910991917,1cyclictest749-21snmpd08:42:420
13910991917,1cyclictest749-21snmpd08:30:570
13910991917,1cyclictest749-21snmpd08:01:170
1391099191,3cyclictest0-21swapper/010:35:090
1391099190,18cyclictest0-21swapper/008:20:240
1391099190,18cyclictest0-21swapper/008:20:240
1391099190,17cyclictest0-21swapper/007:11:310
152682180,1sleep30-21swapper/308:35:123
1391999185,13cyclictest0-21swapper/210:10:162
1391999182,15cyclictest0-21swapper/210:06:422
13919991816,1cyclictest749-21snmpd10:03:212
13919991816,1cyclictest749-21snmpd07:46:022
1391999181,13cyclictest0-21swapper/210:30:212
1391599184,13cyclictest0-21swapper/112:16:091
13915991817,1cyclictest0-21swapper/109:19:061
13915991816,2cyclictest0-21swapper/109:58:271
13915991816,2cyclictest0-21swapper/109:00:301
13915991815,3cyclictest0-21swapper/111:17:411
13915991812,6cyclictest0-21swapper/111:56:141
1391099183,14cyclictest0-21swapper/008:56:100
1391099183,14cyclictest0-21swapper/007:40:190
13910991816,1cyclictest749-21snmpd12:03:430
13910991816,1cyclictest749-21snmpd11:38:190
13910991816,1cyclictest749-21snmpd11:24:040
13910991816,1cyclictest749-21snmpd11:16:550
13910991816,1cyclictest749-21snmpd08:35:120
13910991816,1cyclictest749-21snmpd07:56:050
13910991816,1cyclictest749-21snmpd07:46:530
13910991816,1cyclictest4978-21cat10:20:180
13910991814,3cyclictest749-21snmpd11:41:250
1391099180,4cyclictest0-21swapper/011:12:440
1391099180,4cyclictest0-21swapper/009:32:140
1391099180,4cyclictest0-21swapper/009:14:440
1391099180,4cyclictest0-21swapper/007:38:130
107292188,3sleep30-21swapper/310:54:253
35782178,3sleep30-21swapper/312:10:433
1391999172,3cyclictest0-21swapper/211:21:492
13919991715,1cyclictest749-21snmpd12:36:032
1391599173,13cyclictest0-21swapper/108:00:121
13915991715,2cyclictest0-21swapper/108:21:481
13915991715,2cyclictest0-21swapper/108:21:481
13915991715,2cyclictest0-21swapper/107:45:531
13915991714,3cyclictest0-21swapper/109:27:241
1391599170,16cyclictest0-21swapper/107:15:191
13910991715,1cyclictest749-21snmpd12:35:530
13910991715,1cyclictest749-21snmpd11:08:160
13910991715,1cyclictest749-21snmpd09:56:180
13910991715,1cyclictest749-21snmpd09:21:090
1391099170,16cyclictest0-21swapper/007:26:090
30192164,3sleep30-21swapper/308:23:443
30192164,3sleep30-21swapper/308:23:443
287492164,4sleep30-21swapper/307:49:563
241732169,3sleep30-21swapper/308:13:113
216922169,3sleep30-21swapper/311:01:103
13919991614,1cyclictest749-21snmpd11:55:592
1391999161,14cyclictest0-21swapper/207:26:042
13915991614,2cyclictest0-21swapper/107:51:441
1391099160,15cyclictest0-21swapper/010:15:160
1391099160,11cyclictest0-21swapper/012:07:550
1391099160,10cyclictest0-21swapper/008:10:160
85521510,3sleep30-21swapper/309:20:023
626021510,3sleep30-21swapper/311:19:043
284352159,3sleep30-21swapper/311:35:263
22992159,3sleep30-21swapper/309:49:223
185372159,3sleep30-21swapper/308:07:423
1391999151,5cyclictest0-21swapper/210:55:142
1391099151,12cyclictest0-21swapper/011:45:100
988621410,3sleep30-21swapper/308:59:403
85782146,4sleep30-21swapper/308:28:003
776921410,3sleep30-21swapper/309:52:503
744521410,3sleep30-21swapper/311:48:243
48542149,3sleep30-21swapper/310:45:443
3166221410,3sleep30-21swapper/310:40:493
287072148,3sleep30-21swapper/309:40:253
2753121410,3sleep30-21swapper/311:09:243
2606821410,3sleep30-21swapper/312:31:523
2482121410,3sleep30-21swapper/312:01:333
245662149,3sleep30-21swapper/310:07:443
205092144,3sleep30-21swapper/312:27:173
19512140,0sleep00-21swapper/007:54:590
1931321410,3sleep30-21swapper/307:13:043
1898421410,3sleep30-21swapper/311:58:063
1895621410,3sleep30-21swapper/310:02:323
1285521410,3sleep30-21swapper/308:01:453
74952137,3sleep30-21swapper/311:20:163
71842139,3sleep30-21swapper/307:56:003
57472139,3sleep30-21swapper/307:26:133
3842139,3sleep30-21swapper/311:10:513
324472139,3sleep30-21swapper/309:16:183
308512139,3sleep30-21swapper/308:45:583
304812139,3sleep30-21swapper/312:06:463
300022138,3sleep30-21swapper/310:10:403
295872139,3sleep30-21swapper/308:15:553
270152139,3sleep30-21swapper/307:17:163
265422139,3sleep30-21swapper/312:35:063
261162139,3sleep30-21swapper/310:37:033
228482137,3sleep30-21swapper/311:31:103
228442139,3sleep30-21swapper/307:40:513
214722137,3sleep30-21swapper/309:10:013
173502139,3sleep30-21swapper/309:32:123
173322138,3sleep30-21swapper/311:27:133
170482139,3sleep30-21swapper/307:36:543
16562139,3sleep30-21swapper/311:40:553
162332138,3sleep30-21swapper/310:58:103
15952139,3sleep30-21swapper/307:51:043
153782139,3sleep30-21swapper/309:02:523
148862139,3sleep30-21swapper/312:21:563
148612139,3sleep30-21swapper/310:27:073
140672138,3sleep30-21swapper/308:31:323
132922139,3sleep30-21swapper/311:52:363
132922139,3sleep30-21swapper/309:57:033
115582138,2sleep30-21swapper/309:25:273
115402138,3sleep30-21swapper/307:33:413
92482126,3sleep30-21swapper/312:16:433
90902128,3sleep30-21swapper/310:20:373
41082122,3sleep30-21swapper/308:52:153
34672128,3sleep30-21swapper/310:19:373
231772128,3sleep30-21swapper/309:39:533
214362128,3sleep30-21swapper/309:09:333
204432128,3sleep30-21swapper/310:31:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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