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2026-04-15 - 00:56
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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 14, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21399216395,8sleep30-21swapper/307:05:583
214242123113,7sleep10-21swapper/107:06:161
215702112102,7sleep20-21swapper/207:08:092
21593210999,7sleep00-21swapper/007:08:280
888821040,3sleep02187999cyclictest09:20:150
57592990,0sleep25758-21ntp_states08:45:212
83522640,1sleep18355-21kthreadcore10:15:181
243652600,0sleep2301ktimersoftd/211:00:122
155342590,0sleep30-21swapper/309:25:183
100632590,1sleep338-21rcuc/309:50:133
30932540,1sleep33096-21kthreadcore10:40:193
2188899281,25cyclictest0-21swapper/209:10:162
2188899280,27cyclictest0-21swapper/207:36:382
2188899271,25cyclictest0-21swapper/210:21:432
2188899270,26cyclictest0-21swapper/211:07:192
2188899270,26cyclictest0-21swapper/210:15:222
2187999270,26cyclictest19040-21/usr/sbin/munin11:20:220
2188899260,25cyclictest0-21swapper/209:18:212
2188899260,25cyclictest0-21swapper/208:23:422
2188899241,22cyclictest0-21swapper/207:34:212
2188899240,23cyclictest0-21swapper/208:15:172
2188399241,22cyclictest0-21swapper/110:27:101
2188899231,3cyclictest0-21swapper/208:50:382
2188899231,21cyclictest0-21swapper/212:18:052
2188899231,21cyclictest0-21swapper/210:28:312
21883992319,3cyclictest0-21swapper/111:06:461
2188399231,3cyclictest0-21swapper/112:04:561
2188399231,20cyclictest0-21swapper/109:31:081
2187999230,22cyclictest0-21swapper/010:43:250
310602226,10sleep30-21swapper/307:44:113
2188899227,14cyclictest0-21swapper/210:45:112
2188899225,15cyclictest0-21swapper/212:11:072
2188899222,18cyclictest0-21swapper/211:10:222
2188899221,3cyclictest0-21swapper/210:30:462
2188899221,20cyclictest0-21swapper/207:20:142
2188399221,20cyclictest0-21swapper/111:04:101
2188399220,3cyclictest0-21swapper/108:15:421
2188399220,21cyclictest0-21swapper/111:39:221
2188399220,21cyclictest0-21swapper/111:18:581
2188399220,21cyclictest0-21swapper/110:01:101
2188399220,21cyclictest0-21swapper/109:08:451
2188399220,21cyclictest0-21swapper/108:26:081
2187999220,20cyclictest0-21swapper/012:33:580
21888992117,3cyclictest0-21swapper/209:41:312
2188899211,19cyclictest0-21swapper/212:31:052
2188899210,2cyclictest0-21swapper/208:36:242
2188899210,21cyclictest0-21swapper/211:50:502
2188899210,20cyclictest0-21swapper/211:42:432
2188899210,20cyclictest0-21swapper/211:30:102
2188899210,20cyclictest0-21swapper/210:50:462
2188899210,20cyclictest0-21swapper/209:49:092
2188899210,20cyclictest0-21swapper/209:35:312
2188899210,20cyclictest0-21swapper/208:41:022
2188899210,20cyclictest0-21swapper/207:56:422
2188899210,20cyclictest0-21swapper/207:10:122
21883992118,3cyclictest0-21swapper/112:26:081
21883992118,3cyclictest0-21swapper/109:53:551
21883992117,3cyclictest0-21swapper/108:59:571
21883992117,3cyclictest0-21swapper/108:47:481
2188399211,2cyclictest5369-21munin-run10:15:011
2188399210,3cyclictest0-21swapper/108:44:121
2188399210,2cyclictest1846-21apt12:35:011
2188399210,20cyclictest0-21swapper/112:37:411
2188399210,20cyclictest0-21swapper/112:20:081
2188399210,20cyclictest0-21swapper/111:58:591
2188399210,20cyclictest0-21swapper/111:52:151
2188399210,20cyclictest0-21swapper/111:30:401
2188399210,20cyclictest0-21swapper/110:55:461
2188399210,20cyclictest0-21swapper/110:50:581
2188399210,20cyclictest0-21swapper/110:46:431
2188399210,20cyclictest0-21swapper/110:20:031
2188399210,20cyclictest0-21swapper/109:59:241
2188399210,20cyclictest0-21swapper/109:36:191
2188399210,20cyclictest0-21swapper/109:02:121
2188399210,20cyclictest0-21swapper/108:11:171
2188399210,20cyclictest0-21swapper/107:57:121
2188399210,20cyclictest0-21swapper/107:53:391
2188399210,20cyclictest0-21swapper/107:48:591
2188399210,20cyclictest0-21swapper/107:32:571
2188399210,20cyclictest0-21swapper/107:26:541
2188399210,20cyclictest0-21swapper/107:23:111
2188399210,20cyclictest0-21swapper/107:11:091
2187999210,3cyclictest0-21swapper/011:46:100
2187999210,20cyclictest0-21swapper/011:30:150
2187999210,20cyclictest0-21swapper/011:06:240
2187999210,15cyclictest0-21swapper/008:16:330
2188899206,13cyclictest0-21swapper/208:55:252
21888992018,1cyclictest749-21snmpd12:36:202
21888992018,1cyclictest749-21snmpd12:28:082
21888992018,1cyclictest749-21snmpd12:02:292
21888992018,1cyclictest749-21snmpd11:59:292
21888992018,1cyclictest749-21snmpd11:46:072
21888992018,1cyclictest749-21snmpd11:27:492
21888992018,1cyclictest749-21snmpd07:15:352
2188899200,19cyclictest0-21swapper/208:30:392
21883992018,2cyclictest0-21swapper/109:21:241
21883992017,3cyclictest0-21swapper/109:47:461
21883992017,3cyclictest0-21swapper/108:31:451
21883992017,2cyclictest0-21swapper/111:42:311
21883992016,3cyclictest0-21swapper/111:26:521
21883992016,3cyclictest0-21swapper/111:21:161
21883992016,3cyclictest0-21swapper/107:41:571
2188399200,2cyclictest0-21swapper/112:16:291
2188399200,2cyclictest0-21swapper/110:42:011
2188399200,2cyclictest0-21swapper/108:39:361
2188399200,20cyclictest0-21swapper/112:10:051
2188399200,19cyclictest0-21swapper/112:06:361
2188399200,19cyclictest0-21swapper/111:47:411
2188399200,19cyclictest0-21swapper/109:14:541
2188399200,19cyclictest0-21swapper/108:51:471
21879992018,1cyclictest749-21snmpd12:23:050
21879992018,1cyclictest749-21snmpd12:00:350
21879992018,1cyclictest749-21snmpd11:40:580
21879992018,1cyclictest749-21snmpd11:27:100
21879992018,1cyclictest749-21snmpd11:16:010
21879992018,1cyclictest749-21snmpd10:46:490
21879992018,1cyclictest749-21snmpd09:59:130
21879992018,1cyclictest749-21snmpd09:50:520
21879992018,1cyclictest749-21snmpd09:44:240
21879992018,1cyclictest749-21snmpd08:40:510
21879992018,1cyclictest749-21snmpd08:34:540
21879992018,1cyclictest749-21snmpd08:26:470
21879992018,1cyclictest749-21snmpd08:09:480
21879992018,1cyclictest749-21snmpd07:57:500
21879992018,1cyclictest749-21snmpd07:44:540
21879992018,1cyclictest749-21snmpd07:39:140
21879992018,1cyclictest749-21snmpd07:30:380
21879992018,1cyclictest749-21snmpd07:25:120
2187999200,2cyclictest0-21swapper/012:14:260
2187999200,2cyclictest0-21swapper/008:57:360
2188899195,8cyclictest18259-21/usr/sbin/munin10:55:202
21888991917,2cyclictest0-21swapper/208:01:532
21888991917,1cyclictest749-21snmpd10:05:042
21888991917,1cyclictest749-21snmpd08:27:262
21888991917,1cyclictest749-21snmpd07:52:562
21888991916,2cyclictest0-21swapper/209:22:572
21888991916,1cyclictest749-21snmpd10:35:392
21888991915,3cyclictest0-21swapper/209:29:512
21888991915,2cyclictest749-21snmpd12:21:362
21883991917,2cyclictest0-21swapper/110:32:491
21883991917,2cyclictest0-21swapper/108:06:061
21883991916,2cyclictest0-21swapper/108:03:441
21883991915,3cyclictest0-21swapper/107:16:351
2188399190,18cyclictest0-21swapper/111:10:251
21879991917,1cyclictest749-21snmpd12:29:350
21879991917,1cyclictest749-21snmpd12:05:170
21879991917,1cyclictest749-21snmpd10:55:070
21879991917,1cyclictest749-21snmpd10:35:460
21879991917,1cyclictest749-21snmpd10:33:220
21879991917,1cyclictest749-21snmpd10:22:400
21879991917,1cyclictest749-21snmpd10:15:160
21879991917,1cyclictest749-21snmpd10:06:390
21879991917,1cyclictest749-21snmpd09:32:450
21879991917,1cyclictest749-21snmpd09:27:300
21879991917,1cyclictest749-21snmpd09:13:570
21879991917,1cyclictest749-21snmpd09:07:300
21879991917,1cyclictest749-21snmpd08:52:530
21879991917,1cyclictest749-21snmpd07:54:120
21879991917,1cyclictest749-21snmpd07:45:440
21879991917,1cyclictest749-21snmpd07:20:050
193312197,3sleep30-21swapper/307:31:063
2188899185,8cyclictest9668-21/usr/sbin/munin09:50:242
21888991817,1cyclictest749-21snmpd11:20:012
21888991817,0cyclictest749-21snmpd10:13:372
21888991816,1cyclictest749-21snmpd12:08:232
21888991816,1cyclictest749-21snmpd09:30:442
21888991816,1cyclictest749-21snmpd09:00:362
21888991816,1cyclictest749-21snmpd08:05:272
21888991816,1cyclictest749-21snmpd07:44:332
21888991816,1cyclictest749-21snmpd07:26:502
2188899180,17cyclictest0-21swapper/210:00:162
2188399189,8cyclictest0-21swapper/109:18:361
21883991816,2cyclictest0-21swapper/110:36:221
21883991816,2cyclictest0-21swapper/110:09:251
21883991814,3cyclictest0-21swapper/108:21:091
2187999183,14cyclictest0-21swapper/008:14:220
21879991816,1cyclictest749-21snmpd12:36:290
21879991816,1cyclictest749-21snmpd11:51:050
21879991816,1cyclictest749-21snmpd11:37:170
21879991816,1cyclictest749-21snmpd10:13:280
21879991816,1cyclictest749-21snmpd10:04:340
21879991816,1cyclictest749-21snmpd09:03:140
21879991816,1cyclictest749-21snmpd08:49:570
21879991816,1cyclictest749-21snmpd08:20:020
21879991816,1cyclictest749-21snmpd08:02:470
21879991816,1cyclictest749-21snmpd07:13:590
164422187,3sleep30-21swapper/308:27:053
313632171,12sleep30-21swapper/307:45:123
2188899172,14cyclictest0-21swapper/211:35:262
2188899172,14cyclictest0-21swapper/209:05:212
21888991715,2cyclictest0-21swapper/210:40:072
21888991715,1cyclictest749-21snmpd08:11:272
21888991715,1cyclictest32281-21cat07:45:162
21883991715,2cyclictest0-21swapper/109:43:161
21883991715,2cyclictest0-21swapper/107:36:021
21879991715,1cyclictest749-21snmpd12:15:120
21879991715,1cyclictest749-21snmpd11:13:370
21879991715,1cyclictest749-21snmpd10:51:160
21879991715,1cyclictest749-21snmpd10:26:400
21879991715,1cyclictest0-21swapper/009:45:220
2187999170,16cyclictest0-21swapper/008:36:350
137012175,4sleep30-21swapper/311:15:523
40782165,3sleep30-21swapper/309:45:013
2188899161,11cyclictest0-21swapper/209:55:232
2188899160,15cyclictest0-21swapper/211:15:212
2188399160,15cyclictest0-21swapper/109:27:001
21879991614,2cyclictest0-21swapper/007:16:110
21879991614,1cyclictest749-21snmpd11:56:140
21879991614,1cyclictest749-21snmpd11:00:430
2187999160,15cyclictest0-21swapper/009:19:430
309282159,3sleep30-21swapper/309:40:093
2919721510,4sleep30-21swapper/309:06:453
2683421510,3sleep30-21swapper/311:56:263
243821510,3sleep30-21swapper/311:05:273
2073321510,3sleep30-21swapper/309:57:353
172902159,3sleep30-21swapper/312:17:473
153192155,3sleep30-21swapper/307:57:253
97022149,3sleep30-21swapper/307:52:003
91821410,3sleep30-21swapper/308:43:143
844221410,3sleep30-21swapper/309:20:023
837821410,3sleep30-21swapper/311:14:243
65752148,3sleep30-21swapper/310:45:013
609321410,3sleep30-21swapper/312:08:063
531821410,3sleep30-21swapper/308:18:073
3212221410,3sleep30-21swapper/308:12:393
3205421410,3sleep30-21swapper/310:08:163
3111221410,3sleep30-21swapper/311:34:023
284932149,3sleep30-21swapper/312:27:443
2747221410,3sleep30-21swapper/310:31:233
270521410,3sleep30-21swapper/307:18:563
2633821410,3sleep30-21swapper/310:02:043
2524621410,3sleep30-21swapper/309:35:133
2504121410,3sleep30-21swapper/307:37:223
236132148,3sleep30-21swapper/310:59:263
228021410,3sleep30-21swapper/309:10:503
2200621410,3sleep30-21swapper/310:27:553
212702148,3sleep30-21swapper/311:52:083
207482148,3sleep30-21swapper/308:00:253
1571121410,3sleep30-21swapper/311:47:283
1376521410,3sleep30-21swapper/307:26:253
119942149,3sleep30-21swapper/308:51:563
1173321410,3sleep30-21swapper/312:13:353
1013921410,3sleep30-21swapper/311:42:593
82152139,3sleep30-21swapper/307:21:573
79402139,3sleep30-21swapper/309:16:463
74462139,3sleep30-21swapper/312:39:433
66242138,3sleep30-21swapper/308:49:393
52692138,3sleep30-21swapper/310:13:563
40282139,3sleep30-21swapper/311:35:303
324342139,3sleep30-21swapper/312:00:533
293232139,3sleep30-21swapper/311:01:433
284262132,6sleep30-21swapper/310:35:163
270612139,3sleep30-21swapper/307:10:443
264002139,3sleep30-21swapper/308:05:533
253032139,3sleep30-21swapper/311:26:333
247302139,3sleep30-21swapper/309:31:283
235722139,3sleep30-21swapper/309:01:533
220342138,3sleep30-21swapper/308:32:003
1974021310,3sleep30-21swapper/311:22:213
17102138,3sleep30-21swapper/312:33:293
163442139,3sleep30-21swapper/310:22:103
107882139,3sleep30-21swapper/310:17:583
57152128,3sleep30-21swapper/308:20:043
275772128,3sleep30-21swapper/308:36:023
227512128,3sleep30-21swapper/312:20:483
178062127,3sleep30-21swapper/308:55:393
174602128,3sleep30-21swapper/310:51:453
2187999119,1cyclictest749-21snmpd09:36:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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