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2026-04-16 - 21:56
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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 Thu Apr 16, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17988212767,8sleep00-21swapper/007:06:490
17944212564,7sleep30-21swapper/307:06:153
180372113103,7sleep20-21swapper/207:07:262
12642211198,7sleep10-21swapper/107:05:011
252242610,1sleep30-21swapper/308:10:153
308902590,0sleep10-21swapper/107:45:171
16462580,0sleep20-21swapper/211:35:252
62642560,0sleep10-21swapper/109:20:011
33362550,0sleep20-21swapper/211:40:182
327132540,0sleep20-21swapper/208:15:172
296412540,0sleep00-21swapper/007:45:160
1840499310,30cyclictest0-21swapper/109:45:111
1840999280,27cyclictest0-21swapper/208:53:052
1840999270,26cyclictest0-21swapper/212:38:272
1840999270,26cyclictest0-21swapper/210:57:452
1840999270,26cyclictest0-21swapper/209:05:102
18409992523,2cyclictest0-21swapper/209:04:322
18409992522,2cyclictest0-21swapper/211:30:112
18409992421,3cyclictest0-21swapper/208:48:232
18409992421,2cyclictest0-21swapper/211:16:422
1840999240,23cyclictest0-21swapper/212:23:572
18396992420,2cyclictest10496-21turbostat.cron08:54:590
1840999231,21cyclictest0-21swapper/209:55:162
1840999231,20cyclictest0-21swapper/211:25:172
1840999230,22cyclictest0-21swapper/208:10:382
1840999230,22cyclictest0-21swapper/207:57:392
1839699237,14cyclictest0-21swapper/012:10:100
18396992315,7cyclictest2007-21apt-get09:45:120
1840999226,15cyclictest0-21swapper/207:25:102
18409992218,3cyclictest0-21swapper/212:12:302
1840999220,3cyclictest0-21swapper/210:40:542
1840999220,21cyclictest0-21swapper/212:19:042
1840999220,21cyclictest0-21swapper/211:56:252
1840999220,21cyclictest0-21swapper/210:54:572
1840999220,21cyclictest0-21swapper/210:22:482
18404992220,2cyclictest0-21swapper/109:26:251
1840499220,2cyclictest0-21swapper/109:00:091
1840499220,21cyclictest0-21swapper/109:39:341
1840499220,20cyclictest0-21swapper/109:20:181
1840499220,20cyclictest0-21swapper/109:12:081
1839699220,20cyclictest26596-21/usr/sbin/munin12:30:120
18409992119,1cyclictest749-21snmpd12:00:332
18409992118,2cyclictest749-21snmpd11:13:232
18409992117,2cyclictest7296-21turbostat07:54:592
18409992117,2cyclictest426-21sadc09:15:002
18409992117,2cyclictest17698-21sadc11:25:012
1840999210,2cyclictest0-21swapper/207:14:242
1840999210,20cyclictest0-21swapper/209:33:192
1840999210,20cyclictest0-21swapper/208:43:552
18404992119,2cyclictest0-21swapper/110:36:251
18404992117,3cyclictest0-21swapper/111:40:031
18404992117,3cyclictest0-21swapper/110:12:441
18404992117,3cyclictest0-21swapper/108:34:471
18404992117,3cyclictest0-21swapper/108:24:261
1840499210,16cyclictest0-21swapper/112:07:161
18396992120,1cyclictest0-21swapper/009:15:130
18396992119,1cyclictest749-21snmpd08:47:500
18396992118,3cyclictest0-21swapper/007:54:530
1839699210,20cyclictest0-21swapper/010:19:020
219272208,3sleep30-21swapper/309:05:063
1840999204,15cyclictest0-21swapper/210:36:242
18409992018,2cyclictest0-21swapper/210:01:442
18409992018,1cyclictest749-21snmpd10:12:192
18409992018,1cyclictest749-21snmpd09:48:552
18409992018,1cyclictest749-21snmpd09:28:292
18409992018,1cyclictest749-21snmpd09:20:072
18409992018,1cyclictest749-21snmpd08:06:562
18409992018,1cyclictest749-21snmpd07:24:572
18409992018,1cyclictest749-21snmpd07:16:272
18409992017,3cyclictest0-21swapper/209:50:232
18409992017,2cyclictest0-21swapper/210:48:512
18409992016,3cyclictest0-21swapper/210:25:112
1840999201,15cyclictest0-21swapper/211:05:232
1840999200,2cyclictest0-21swapper/210:15:202
1840999200,20cyclictest0-21swapper/210:30:062
1840999200,20cyclictest0-21swapper/210:30:052
1840999200,20cyclictest0-21swapper/207:30:072
1840999200,1cyclictest0-21swapper/211:53:272
1840999200,19cyclictest0-21swapper/209:15:442
1840999200,14cyclictest0-21swapper/208:00:002
18404992018,2cyclictest0-21swapper/108:59:441
18404992017,3cyclictest0-21swapper/109:58:311
18404992017,2cyclictest749-21snmpd12:30:121
18404992016,3cyclictest0-21swapper/112:04:331
18404992016,3cyclictest0-21swapper/110:47:361
18404992016,3cyclictest0-21swapper/110:31:061
18404992016,3cyclictest0-21swapper/110:31:051
18404992016,3cyclictest0-21swapper/108:41:161
18404992016,3cyclictest0-21swapper/107:42:591
18396992018,1cyclictest749-21snmpd12:25:240
18396992018,1cyclictest749-21snmpd11:23:510
18396992018,1cyclictest749-21snmpd11:01:150
18396992018,1cyclictest749-21snmpd09:36:590
18396992018,1cyclictest749-21snmpd07:59:070
18396992018,1cyclictest749-21snmpd07:29:280
77282190,0sleep30-21swapper/308:50:193
195102199,3sleep30-21swapper/310:26:263
1840999192,16cyclictest0-21swapper/207:43:562
18409991917,1cyclictest749-21snmpd10:09:502
18409991917,1cyclictest749-21snmpd09:43:352
18409991917,1cyclictest749-21snmpd08:56:252
18409991917,1cyclictest749-21snmpd08:25:042
18409991917,1cyclictest749-21snmpd07:35:362
18409991916,2cyclictest749-21snmpd08:32:162
18409991916,2cyclictest0-21swapper/212:30:482
18409991915,3cyclictest0-21swapper/211:00:132
1840999191,14cyclictest0-21swapper/209:35:232
1840999191,10cyclictest0-21swapper/207:45:012
1840499195,9cyclictest0-21swapper/112:10:171
1840499195,13cyclictest0-21swapper/111:25:251
1840499195,13cyclictest0-21swapper/109:30:171
1840499194,14cyclictest0-21swapper/111:45:201
18404991917,2cyclictest0-21swapper/109:54:531
18404991917,2cyclictest0-21swapper/109:07:491
18404991917,2cyclictest0-21swapper/107:28:461
18404991917,2cyclictest0-21swapper/107:13:271
18404991917,1cyclictest749-21snmpd07:50:171
18404991916,3cyclictest0-21swapper/112:16:421
18404991916,3cyclictest0-21swapper/111:06:031
18404991916,2cyclictest0-21swapper/112:29:301
18404991916,2cyclictest0-21swapper/111:04:241
18404991916,2cyclictest0-21swapper/107:32:031
18396991917,1cyclictest749-21snmpd12:00:420
18396991917,1cyclictest749-21snmpd11:30:510
18396991917,1cyclictest749-21snmpd08:58:230
18396991917,1cyclictest749-21snmpd08:11:280
18396991917,1cyclictest749-21snmpd07:36:580
18396991917,1cyclictest749-21snmpd07:11:030
18396991916,2cyclictest749-21snmpd09:26:020
18396991916,2cyclictest749-21snmpd08:07:320
18396991910,8cyclictest0-21swapper/010:14:200
72562189,3sleep30-21swapper/309:48:383
18409991816,1cyclictest749-21snmpd12:28:122
18409991816,1cyclictest749-21snmpd12:05:392
18409991816,1cyclictest749-21snmpd11:46:212
18409991815,2cyclictest21529-21cat08:35:172
1840499184,13cyclictest0-21swapper/110:00:181
18404991816,2cyclictest0-21swapper/111:16:061
18404991816,2cyclictest0-21swapper/110:25:161
18404991816,2cyclictest0-21swapper/107:18:121
18404991816,1cyclictest28893-21munin-run11:35:001
18404991815,2cyclictest0-21swapper/111:56:451
18404991815,2cyclictest0-21swapper/108:15:111
1840499180,3cyclictest0-21swapper/107:35:121
1840499180,17cyclictest0-21swapper/110:55:121
1839699183,9cyclictest0-21swapper/012:35:180
18396991816,2cyclictest0-21swapper/011:25:240
18396991816,1cyclictest749-21snmpd12:08:210
18396991816,1cyclictest749-21snmpd11:42:390
18396991816,1cyclictest749-21snmpd11:38:510
18396991816,1cyclictest749-21snmpd11:07:270
18396991816,1cyclictest749-21snmpd10:56:060
18396991816,1cyclictest749-21snmpd10:26:180
18396991816,1cyclictest749-21snmpd09:54:200
18396991816,1cyclictest749-21snmpd09:43:490
18396991816,1cyclictest749-21snmpd08:37:190
18396991816,1cyclictest749-21snmpd08:34:470
18396991816,1cyclictest749-21snmpd08:27:460
18396991816,1cyclictest749-21snmpd07:15:190
1840499179,7cyclictest0-21swapper/111:54:181
1840499172,14cyclictest0-21swapper/109:40:151
1840499172,14cyclictest0-21swapper/108:53:141
18404991715,2cyclictest0-21swapper/110:09:291
18404991715,2cyclictest0-21swapper/108:46:531
18404991715,2cyclictest0-21swapper/108:14:101
18404991715,2cyclictest0-21swapper/108:01:251
18404991715,1cyclictest749-21snmpd07:20:511
18404991714,2cyclictest0-21swapper/108:09:201
18404991713,3cyclictest0-21swapper/108:36:521
1840499170,11cyclictest0-21swapper/110:22:261
1839699175,7cyclictest0-21swapper/008:40:160
1839699172,14cyclictest0-21swapper/011:55:510
1839699172,11cyclictest0-21swapper/011:10:230
18396991715,1cyclictest749-21snmpd11:51:210
18396991715,1cyclictest749-21snmpd11:45:180
18396991715,1cyclictest749-21snmpd10:45:120
18396991715,1cyclictest749-21snmpd10:38:210
18396991715,1cyclictest749-21snmpd10:30:360
18396991715,1cyclictest749-21snmpd10:30:360
18396991715,1cyclictest749-21snmpd09:04:160
18396991715,1cyclictest749-21snmpd08:22:010
18396991715,1cyclictest749-21snmpd08:19:470
18396991715,1cyclictest749-21snmpd08:02:160
1839699170,16cyclictest0-21swapper/009:33:010
1839699170,15cyclictest0-21swapper/009:05:220
1839699170,11cyclictest0-21swapper/010:00:160
1839699170,11cyclictest0-21swapper/009:55:230
1839699170,11cyclictest0-21swapper/009:20:200
2752221610,3sleep30-21swapper/309:10:053
1840999162,8cyclictest5878-21cut08:20:182
1840499163,11cyclictest0-21swapper/107:55:231
1840499162,13cyclictest0-21swapper/112:20:151
18404991614,2cyclictest0-21swapper/112:35:061
18404991614,2cyclictest0-21swapper/110:16:251
1840499160,15cyclictest0-21swapper/108:25:011
1840499160,10cyclictest0-21swapper/111:35:151
1839699162,13cyclictest0-21swapper/010:05:160
18396991614,1cyclictest749-21snmpd11:15:360
18396991614,1cyclictest749-21snmpd10:50:390
18396991614,1cyclictest749-21snmpd07:30:540
18396991614,1cyclictest749-21snmpd07:24:030
1839699160,10cyclictest0-21swapper/012:15:120
148802169,4sleep30-21swapper/312:19:243
46012153,3sleep30-21swapper/307:20:263
312102159,3sleep30-21swapper/310:38:253
29502155,3sleep30-21swapper/308:16:153
18404991513,2cyclictest0-21swapper/111:10:421
1840499150,9cyclictest0-21swapper/111:20:261
1840499150,14cyclictest0-21swapper/110:50:171
1839699150,9cyclictest0-21swapper/010:20:130
1839699150,14cyclictest0-21swapper/012:20:420
1839699150,14cyclictest0-21swapper/009:10:150
1839699150,14cyclictest0-21swapper/007:40:110
174022159,3sleep30-21swapper/311:21:253
755821410,3sleep30-21swapper/311:43:203
71552148,3sleep30-21swapper/307:53:253
595321410,3sleep30-21swapper/309:18:193
446521410,3sleep30-21swapper/310:43:533
361421410,3sleep30-21swapper/312:08:433
3175821410,3sleep30-21swapper/312:34:513
317302148,3sleep30-21swapper/307:19:253
316542149,3sleep30-21swapper/308:44:263
3027721410,3sleep30-21swapper/312:01:303
294762149,3sleep30-21swapper/310:05:333
285762149,3sleep30-21swapper/309:39:573
2853821410,3sleep30-21swapper/311:30:393
2735921410,3sleep30-21swapper/311:00:473
258152149,3sleep30-21swapper/312:25:373
2506021410,3sleep30-21swapper/310:30:563
2506021410,3sleep30-21swapper/310:30:563
2456621410,3sleep30-21swapper/311:56:013
226272149,3sleep30-21swapper/309:30:453
2201021410,3sleep30-21swapper/307:38:193
2143521410,3sleep30-21swapper/309:01:373
2040921410,3sleep30-21swapper/312:23:093
197921410,3sleep30-21swapper/311:38:513
197172140,0sleep30-21swapper/310:00:143
1893521410,3sleep30-21swapper/311:51:173
1879721410,3sleep30-21swapper/308:04:103
185342144,3sleep30-21swapper/309:59:483
18404991410,3cyclictest0-21swapper/110:41:181
18396991412,1cyclictest749-21snmpd10:42:440
1617821410,3sleep30-21swapper/307:31:073
1590821410,3sleep30-21swapper/310:52:503
130612149,3sleep30-21swapper/311:46:483
104652144,3sleep30-21swapper/307:28:583
99552139,3sleep30-21swapper/310:47:223
89482137,3sleep30-21swapper/312:10:233
86172139,3sleep30-21swapper/308:21:493
62862139,3sleep30-21swapper/311:12:283
49382139,3sleep30-21swapper/312:39:023
46802139,3sleep30-21swapper/308:47:113
29012139,3sleep30-21swapper/310:14:023
279172139,3sleep30-21swapper/307:42:593
259182138,3sleep30-21swapper/308:38:433
242032139,3sleep30-21swapper/308:06:223
236432139,3sleep30-21swapper/307:11:133
230392139,3sleep30-21swapper/311:26:533
200962139,3sleep30-21swapper/308:31:293
171032139,3sleep30-21swapper/309:27:003
14572139,3sleep30-21swapper/307:47:453
139532139,3sleep30-21swapper/310:21:593
127222139,3sleep30-21swapper/309:52:073
119682139,3sleep30-21swapper/311:18:413
113892137,4sleep30-21swapper/309:20:473
83682128,3sleep30-21swapper/310:17:143
214202126,3sleep30-21swapper/310:56:033
17502128,3sleep30-21swapper/309:44:543
158002122,3sleep30-21swapper/308:56:283
141902128,3sleep30-21swapper/308:26:453
279252117,3sleep30-21swapper/311:05:123
129382106,3sleep30-21swapper/307:56:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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