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2026-03-20 - 06:05
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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 all highest latencies:
System rack5slot4.osadl.org (updated Fri Mar 20, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20268213373,6sleep20-21swapper/219:08:182
20060212766,6sleep30-21swapper/319:05:373
200802115105,7sleep10-21swapper/119:05:521
201092114104,7sleep00-21swapper/019:06:150
260042740,1sleep3391ktimersoftd/322:30:173
233812740,1sleep30-21swapper/322:00:183
41112610,0sleep3391ktimersoftd/321:45:123
252022610,1sleep120-21rcuc/123:30:141
17252570,1sleep31726-21unixbench_singl21:10:243
165002560,1sleep10-21swapper/100:20:011
12222560,0sleep00-21swapper/023:05:220
119582560,0sleep20-21swapper/220:25:192
97212550,0sleep10-21swapper/122:15:211
2057599280,27cyclictest0-21swapper/220:30:002
2057599270,26cyclictest0-21swapper/223:23:282
2057099270,3cyclictest0-21swapper/120:30:121
2057099270,26cyclictest0-21swapper/122:48:171
2057099270,26cyclictest0-21swapper/122:09:231
2057099270,26cyclictest0-21swapper/100:21:291
2057599260,25cyclictest0-21swapper/222:15:222
2057099260,25cyclictest0-21swapper/121:39:281
2057099260,25cyclictest0-21swapper/120:56:511
20575992518,7cyclictest0-21swapper/221:06:182
2057099250,24cyclictest0-21swapper/121:14:571
2057099250,24cyclictest0-21swapper/119:15:301
2057099250,24cyclictest0-21swapper/100:04:411
2057599240,23cyclictest0-21swapper/222:35:172
2056699240,23cyclictest0-21swapper/023:13:140
2057599231,3cyclictest0-21swapper/219:22:452
2057599231,2cyclictest21909-21munin-run00:25:002
2057599231,21cyclictest0-21swapper/219:25:362
20570992321,2cyclictest0-21swapper/120:15:481
2056699230,17cyclictest0-21swapper/022:32:330
20575992218,3cyclictest0-21swapper/221:15:312
2057599221,3cyclictest0-21swapper/220:56:122
2057599220,21cyclictest0-21swapper/223:10:102
2057599220,21cyclictest0-21swapper/219:11:062
2057599220,21cyclictest0-21swapper/200:35:022
2057099220,3cyclictest0-21swapper/119:24:331
2057099220,21cyclictest0-21swapper/123:06:341
2057099220,21cyclictest0-21swapper/120:52:541
2057099220,21cyclictest0-21swapper/120:22:361
2057099220,21cyclictest0-21swapper/120:07:481
2057099220,21cyclictest0-21swapper/120:00:331
2057099220,20cyclictest0-21swapper/123:50:201
2057599217,8cyclictest6405-21/usr/sbin/munin20:50:172
2057599210,3cyclictest0-21swapper/222:08:292
2057599210,3cyclictest0-21swapper/220:05:002
2057599210,20cyclictest0-21swapper/223:40:082
2057599210,20cyclictest0-21swapper/223:30:472
2057599210,20cyclictest0-21swapper/223:16:112
2057599210,20cyclictest0-21swapper/223:03:202
2057599210,20cyclictest0-21swapper/221:55:232
2057599210,20cyclictest0-21swapper/219:46:592
2057599210,20cyclictest0-21swapper/200:25:252
2057599210,15cyclictest0-21swapper/220:46:382
20570992119,2cyclictest0-21swapper/120:42:211
20570992118,1cyclictest14918-21sadc21:55:011
20570992117,3cyclictest0-21swapper/122:04:341
20570992114,7cyclictest0-21swapper/123:15:181
2057099210,2cyclictest0-21swapper/123:46:431
2057099210,21cyclictest0-21swapper/122:32:411
2057099210,20cyclictest0-21swapper/123:35:261
2057099210,20cyclictest0-21swapper/123:13:471
2057099210,20cyclictest0-21swapper/123:02:531
2057099210,20cyclictest0-21swapper/121:26:111
2057099210,20cyclictest0-21swapper/119:55:571
2057099210,20cyclictest0-21swapper/119:51:541
2057099210,20cyclictest0-21swapper/119:39:481
2057099210,20cyclictest0-21swapper/100:28:261
20566992119,1cyclictest749-21snmpd23:18:580
20566992119,1cyclictest749-21snmpd20:18:090
20566992119,1cyclictest749-21snmpd00:24:130
20566992118,2cyclictest11781-21sadc20:55:000
20575992018,1cyclictest749-21snmpd23:58:532
20575992018,1cyclictest749-21snmpd22:52:352
20575992018,1cyclictest749-21snmpd22:04:492
20575992018,1cyclictest749-21snmpd21:23:182
20575992018,1cyclictest749-21snmpd20:00:302
20575992018,1cyclictest749-21snmpd19:31:302
20575992018,1cyclictest749-21snmpd00:11:282
20575992018,1cyclictest749-21snmpd00:04:552
20575992017,2cyclictest749-21snmpd22:57:462
20575992016,3cyclictest0-21swapper/223:45:102
20575992016,3cyclictest0-21swapper/222:47:172
20575992016,3cyclictest0-21swapper/221:51:522
2057599201,3cyclictest0-21swapper/221:12:002
20575992013,7cyclictest0-21swapper/223:50:212
2057599200,2cyclictest0-21swapper/221:31:402
2057599200,19cyclictest0-21swapper/223:28:292
20570992018,2cyclictest0-21swapper/100:38:341
20570992018,2cyclictest0-21swapper/100:12:251
2057099200,2cyclictest0-21swapper/122:50:491
2057099200,2cyclictest0-21swapper/119:42:541
2057099200,20cyclictest0-21swapper/122:29:191
2057099200,19cyclictest211ktimersoftd/121:34:011
2057099200,19cyclictest0-21swapper/122:10:481
2057099200,19cyclictest0-21swapper/121:40:111
2057099200,19cyclictest0-21swapper/120:35:481
2057099200,19cyclictest0-21swapper/100:33:411
2057099200,19cyclictest0-21swapper/100:07:381
20566992018,1cyclictest749-21snmpd23:54:110
20566992018,1cyclictest749-21snmpd23:21:020
20566992018,1cyclictest749-21snmpd22:55:530
20566992018,1cyclictest749-21snmpd22:36:280
20566992018,1cyclictest749-21snmpd22:26:400
20566992018,1cyclictest749-21snmpd22:06:530
20566992018,1cyclictest749-21snmpd21:54:530
20566992018,1cyclictest749-21snmpd20:57:270
20566992018,1cyclictest749-21snmpd20:38:420
20566992018,1cyclictest749-21snmpd20:33:180
20566992018,1cyclictest749-21snmpd19:42:570
20566992018,1cyclictest749-21snmpd19:34:120
20566992018,1cyclictest749-21snmpd19:27:240
20566992018,1cyclictest749-21snmpd19:16:480
20566992018,1cyclictest749-21snmpd00:32:140
20566992016,3cyclictest0-21swapper/019:10:210
2057599193,14cyclictest0-21swapper/221:37:372
20575991918,1cyclictest8-21rcu_preempt23:05:132
20575991917,2cyclictest0-21swapper/221:47:012
20575991917,2cyclictest0-21swapper/220:14:152
20575991917,1cyclictest749-21snmpd22:33:492
20575991917,1cyclictest749-21snmpd21:29:072
20575991917,1cyclictest749-21snmpd21:01:122
20575991917,1cyclictest749-21snmpd20:38:092
20575991917,1cyclictest749-21snmpd20:21:542
20575991917,1cyclictest749-21snmpd19:41:422
20575991917,1cyclictest749-21snmpd19:16:512
20575991916,2cyclictest749-21snmpd20:17:272
20575991916,2cyclictest749-21snmpd00:30:262
2057599191,3cyclictest0-21swapper/222:27:282
20570991917,2cyclictest0-21swapper/121:57:431
20570991917,2cyclictest0-21swapper/121:24:271
2057099190,2cyclictest0-21swapper/123:58:461
2057099190,18cyclictest0-21swapper/123:21:431
20566991917,1cyclictest749-21snmpd23:48:260
20566991917,1cyclictest749-21snmpd23:34:460
20566991917,1cyclictest749-21snmpd22:51:250
20566991917,1cyclictest749-21snmpd21:58:400
20566991917,1cyclictest749-21snmpd21:30:370
20566991917,1cyclictest749-21snmpd21:29:260
20566991917,1cyclictest749-21snmpd20:46:210
20566991917,1cyclictest749-21snmpd19:55:480
20566991917,1cyclictest749-21snmpd19:53:240
20566991917,1cyclictest749-21snmpd00:16:530
20566991917,1cyclictest749-21snmpd00:13:380
20566991917,1cyclictest749-21snmpd00:06:320
20566991917,1cyclictest749-21snmpd00:01:500
20566991915,3cyclictest749-21snmpd21:48:280
2056699191,15cyclictest0-21swapper/021:09:420
2056699190,18cyclictest0-21swapper/023:00:170
20575991816,2cyclictest0-21swapper/220:42:452
20575991816,2cyclictest0-21swapper/200:17:412
20575991816,1cyclictest749-21snmpd22:40:432
20575991816,1cyclictest749-21snmpd19:55:092
20575991816,1cyclictest749-21snmpd19:53:062
2057099183,10cyclictest0-21swapper/120:25:181
20570991816,2cyclictest0-21swapper/123:27:201
20570991816,2cyclictest0-21swapper/121:45:461
20570991816,2cyclictest0-21swapper/121:19:391
2057099180,17cyclictest0-21swapper/123:40:441
2056699183,14cyclictest0-21swapper/021:44:140
20566991816,1cyclictest749-21snmpd23:44:400
20566991816,1cyclictest749-21snmpd23:37:230
20566991816,1cyclictest749-21snmpd23:27:290
20566991816,1cyclictest749-21snmpd22:41:260
20566991816,1cyclictest749-21snmpd22:01:010
20566991816,1cyclictest749-21snmpd21:38:430
20566991816,1cyclictest749-21snmpd21:21:060
20566991816,1cyclictest749-21snmpd21:18:240
20566991816,1cyclictest749-21snmpd21:12:420
20566991816,1cyclictest749-21snmpd20:27:210
20566991816,1cyclictest749-21snmpd20:02:090
20566991816,1cyclictest749-21snmpd19:46:150
20566991816,1cyclictest749-21snmpd19:37:390
20575991715,2cyclictest0-21swapper/222:11:172
20575991715,1cyclictest749-21snmpd23:36:312
20575991715,1cyclictest749-21snmpd00:09:292
2057599170,16cyclictest0-21swapper/221:40:122
20570991715,2cyclictest0-21swapper/122:59:561
20570991715,2cyclictest0-21swapper/121:05:421
2057099170,11cyclictest0-21swapper/120:11:101
2056699173,13cyclictest0-21swapper/020:05:100
2056699172,14cyclictest0-21swapper/019:21:360
20566991715,1cyclictest749-21snmpd22:20:280
20566991715,1cyclictest749-21snmpd22:18:560
20566991715,1cyclictest749-21snmpd20:42:120
20566991715,1cyclictest749-21snmpd20:11:210
20566991715,1cyclictest749-21snmpd00:25:590
2056699170,16cyclictest0-21swapper/023:55:260
2056699170,11cyclictest0-21swapper/020:20:140
20575991613,2cyclictest749-21snmpd19:37:452
2057099162,13cyclictest0-21swapper/119:10:181
2057099161,9cyclictest0-21swapper/122:35:101
20570991614,2cyclictest0-21swapper/120:48:421
2057099160,15cyclictest0-21swapper/122:20:171
2057099160,10cyclictest0-21swapper/122:40:161
2057099160,10cyclictest0-21swapper/121:00:111
2057099160,10cyclictest0-21swapper/119:45:101
20566991614,1cyclictest749-21snmpd22:12:100
2056699160,15cyclictest0-21swapper/021:02:580
172732165,2sleep30-21swapper/322:53:583
43662153,3sleep30-21swapper/320:17:273
2407321510,4sleep30-21swapper/319:38:063
2399121510,3sleep30-21swapper/323:27:223
217132159,3sleep30-21swapper/322:29:553
20575991513,1cyclictest749-21snmpd22:23:532
2057099150,11cyclictest0-21swapper/119:30:201
20566991513,1cyclictest749-21snmpd00:38:140
881121410,3sleep30-21swapper/319:53:163
75612147,3sleep30-21swapper/321:17:463
67072148,3sleep30-21swapper/319:20:243
61022149,3sleep30-21swapper/320:49:103
3275221410,3sleep30-21swapper/322:37:243
327442149,4sleep30-21swapper/300:30:453
3166921410,3sleep30-21swapper/322:09:323
2976021410,3sleep30-21swapper/323:34:343
2872121410,3sleep30-21swapper/321:07:213
2742521410,3sleep30-21swapper/300:29:163
27272148,3sleep30-21swapper/323:36:463
2604421410,3sleep30-21swapper/320:10:103
255102149,3sleep30-21swapper/320:06:093
217992149,3sleep30-21swapper/300:23:483
2152321410,3sleep30-21swapper/320:32:323
2057099140,14cyclictest0-21swapper/119:29:481
198602149,3sleep30-21swapper/323:51:553
172021410,3sleep30-21swapper/323:09:443
1622221410,3sleep30-21swapper/300:19:193
1439321410,3sleep30-21swapper/319:57:443
1259621410,3sleep30-21swapper/319:29:093
103192149,3sleep30-21swapper/322:18:133
82372139,3sleep30-21swapper/323:40:313
72032139,3sleep30-21swapper/323:13:113
59022139,3sleep30-21swapper/322:41:513
46592139,3sleep30-21swapper/300:06:383
45522139,3sleep30-21swapper/322:11:013
4522139,3sleep30-21swapper/320:43:593
33172139,3sleep30-21swapper/319:49:313
32982139,3sleep30-21swapper/321:44:093
298452139,3sleep30-21swapper/321:35:403
285862139,3sleep30-21swapper/323:04:593
258102139,3sleep30-21swapper/319:10:593
254322139,3sleep30-21swapper/323:56:253
247632137,3sleep30-21swapper/319:40:023
242122139,3sleep30-21swapper/321:30:443
226842139,3sleep30-21swapper/321:00:523
20566991311,1cyclictest749-21snmpd22:48:020
202242139,3sleep30-21swapper/321:56:353
200322139,3sleep30-21swapper/320:02:413
186862139,3sleep30-21swapper/321:26:433
171232139,3sleep30-21swapper/320:56:393
158582139,3sleep30-21swapper/320:27:043
157912137,3sleep30-21swapper/322:21:093
147572139,3sleep30-21swapper/321:53:063
13392136,6sleep30-21swapper/319:18:363
131902139,3sleep30-21swapper/323:20:083
129992139,3sleep30-21swapper/321:20:303
127502139,2sleep30-21swapper/323:17:403
116662139,3sleep30-21swapper/322:49:043
116592139,3sleep30-21swapper/320:53:393
1029621310,3sleep30-21swapper/300:11:073
259842128,3sleep30-21swapper/300:00:083
180172128,3sleep30-21swapper/319:31:533
139812128,3sleep30-21swapper/323:47:273
100992128,3sleep30-21swapper/320:24:033
58702115,3sleep30-21swapper/300:35:253
228412117,3sleep30-21swapper/322:58:133
217182115,3sleep30-21swapper/320:35:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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