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2026-03-29 - 22:36
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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: performance
Characteristics of the highest latencies:
System rack7slot1.osadl.org (updated Sun Mar 29, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1154212564,55sleep20-21swapper/207:06:282
1158211553,23sleep10-21swapper/107:06:311
1310210544,56sleep00-21swapper/007:08:270
107229466,23sleep30-21swapper/307:05:293
1541995514,16cyclictest0-21swapper/312:35:243
1541995315,16cyclictest0-21swapper/309:44:083
1541995214,35cyclictest0-21swapper/310:59:323
1541995115,33cyclictest0-21swapper/310:27:593
1541995115,33cyclictest0-21swapper/310:27:593
1541995115,16cyclictest0-21swapper/310:06:063
1541995115,16cyclictest0-21swapper/310:06:063
1541995113,14cyclictest0-21swapper/311:40:223
1541995112,15cyclictest0-21swapper/309:35:263
1541995112,15cyclictest0-21swapper/309:35:253
1541995111,21cyclictest0-21swapper/312:05:233
1541995014,17cyclictest0-21swapper/312:30:213
1541995013,15cyclictest0-21swapper/310:15:123
154099507,40cyclictest0-21swapper/211:08:362
154199498,20cyclictest0-21swapper/310:40:263
1541994915,15cyclictest0-21swapper/312:10:133
1541994915,15cyclictest0-21swapper/312:10:133
1541994914,15cyclictest0-21swapper/310:34:503
154199486,21cyclictest0-21swapper/310:49:143
1541994814,14cyclictest0-21swapper/309:57:453
1541994813,16cyclictest0-21swapper/311:55:083
1541994812,15cyclictest0-21swapper/311:05:263
154099483,30cyclictest21342-21stress11:48:392
154199477,20cyclictest0-21swapper/310:20:183
1541994712,15cyclictest0-21swapper/311:20:363
1541994711,16cyclictest0-21swapper/310:00:223
154199469,18cyclictest0-21swapper/308:34:323
154199469,13cyclictest0-21swapper/309:50:253
154199469,13cyclictest0-21swapper/309:50:253
154199468,15cyclictest0-21swapper/312:00:223
1541994613,15cyclictest0-21swapper/309:10:273
1541994610,18cyclictest0-21swapper/311:10:143
154199456,21cyclictest0-21swapper/309:15:183
154199456,17cyclictest0-21swapper/311:30:173
154199455,22cyclictest0-21swapper/308:20:113
154199455,22cyclictest0-21swapper/308:20:113
1541994513,14cyclictest0-21swapper/308:50:163
1541994512,14cyclictest0-21swapper/311:45:073
154099455,36cyclictest21342-21stress11:23:362
1540994521,21cyclictest0-21swapper/209:16:512
154199446,21cyclictest0-21swapper/310:10:273
154199446,21cyclictest0-21swapper/310:10:273
154199446,17cyclictest0-21swapper/309:20:143
154199446,15cyclictest0-21swapper/312:27:303
154199446,15cyclictest0-21swapper/312:15:233
154199446,15cyclictest0-21swapper/312:15:223
154199445,24cyclictest0-21swapper/308:00:593
154199445,15cyclictest0-21swapper/307:10:113
1541994412,15cyclictest0-21swapper/309:47:003
1541994410,13cyclictest0-21swapper/311:25:053
154099444,37cyclictest0-21swapper/209:58:312
154099443,26cyclictest4230-21fschecks_time11:00:192
154099443,26cyclictest4230-21fschecks_time11:00:192
154099442,27cyclictest21342-21stress11:15:462
1540994419,22cyclictest0-21swapper/210:36:432
1540994419,22cyclictest0-21swapper/210:21:052
1540994414,27cyclictest0-21swapper/212:31:152
154199439,21cyclictest0-21swapper/307:15:113
154199435,17cyclictest0-21swapper/308:36:373
154099433,38cyclictest21342-21stress11:29:572
154099433,37cyclictest0-21swapper/211:32:532
1540994321,20cyclictest0-21swapper/212:20:322
1540994321,20cyclictest0-21swapper/210:33:232
1540994321,20cyclictest0-21swapper/209:20:152
1540994321,19cyclictest0-21swapper/211:10:202
1540994319,22cyclictest0-21swapper/211:50:082
1540994319,21cyclictest0-21swapper/209:25:352
154199426,15cyclictest0-21swapper/312:20:193
154199425,22cyclictest0-21swapper/307:26:073
1541994210,12cyclictest0-21swapper/307:30:173
154099423,26cyclictest18801-21chrt09:01:042
1540994219,21cyclictest0-21swapper/210:10:122
1540994219,21cyclictest0-21swapper/210:10:112
1540994219,21cyclictest0-21swapper/210:00:232
1540994217,23cyclictest0-21swapper/212:26:162
154199416,17cyclictest0-21swapper/311:00:273
154199416,17cyclictest0-21swapper/311:00:263
154199416,15cyclictest0-21swapper/307:40:113
154199416,14cyclictest0-21swapper/311:50:273
154199416,13cyclictest0-21swapper/310:50:183
1541994115,14cyclictest0-21swapper/307:52:193
1541994112,11cyclictest0-21swapper/310:35:263
1541994110,12cyclictest0-21swapper/311:35:283
154099413,35cyclictest21342-21stress12:35:562
1540994121,17cyclictest0-21swapper/209:45:202
1540994120,19cyclictest0-21swapper/212:09:572
1540994119,20cyclictest0-21swapper/210:40:172
1540994119,20cyclictest0-21swapper/209:30:152
1540994119,19cyclictest0-21swapper/210:15:122
1540994118,20cyclictest0-21swapper/209:50:142
1540994118,20cyclictest0-21swapper/209:50:132
1539994117,22cyclictest0-21swapper/110:19:451
154199406,15cyclictest0-21swapper/309:25:243
154199405,18cyclictest0-21swapper/308:26:183
154199405,17cyclictest0-21swapper/307:55:213
1541994010,16cyclictest0-21swapper/309:03:443
154099403,24cyclictest10487-21chrt08:43:512
1540994020,18cyclictest0-21swapper/212:10:342
1540994020,18cyclictest0-21swapper/212:10:332
1540994018,20cyclictest0-21swapper/211:55:262
1540994018,20cyclictest0-21swapper/210:05:262
1540994018,20cyclictest0-21swapper/210:05:252
154199397,15cyclictest0-21swapper/309:10:013
154199395,16cyclictest0-21swapper/308:55:233
154099396,30cyclictest0-21swapper/211:40:282
154099395,23cyclictest0-21swapper/208:49:212
154099395,22cyclictest0-21swapper/208:14:122
154099393,34cyclictest21342-21stress10:55:252
154099393,33cyclictest21344-21stress12:03:262
154099393,24cyclictest3814-21chrt08:25:542
154099392,24cyclictest27850-21taskset08:08:492
1540993921,16cyclictest0-21swapper/209:40:162
1540993921,16cyclictest0-21swapper/209:10:222
1540993918,19cyclictest0-21swapper/210:25:122
1540993918,19cyclictest0-21swapper/210:25:112
1540993918,19cyclictest0-21swapper/209:35:192
1540993918,19cyclictest0-21swapper/209:35:192
153999399,27cyclictest0-21swapper/110:58:351
153999398,28cyclictest0-21swapper/111:40:091
153999396,21cyclictest0-21swapper/109:20:321
154199385,17cyclictest0-21swapper/308:46:473
1541993813,14cyclictest0-21swapper/308:14:583
154099385,30cyclictest4780-21wget07:15:122
154099385,23cyclictest0-21swapper/208:59:112
1540993818,18cyclictest0-21swapper/212:15:312
1540993818,18cyclictest0-21swapper/212:15:312
1540993818,17cyclictest0-21swapper/210:54:212
1538993816,19cyclictest0-21swapper/011:50:480
210842375,14sleep10-21swapper/109:07:501
168782375,14sleep10-21swapper/108:58:381
154199376,15cyclictest0-21swapper/307:46:233
154199375,18cyclictest0-21swapper/307:37:583
154199375,18cyclictest0-21swapper/307:23:593
154099375,21cyclictest0-21swapper/208:34:322
154099373,31cyclictest7296-21awk08:35:192
154099373,31cyclictest22128-21/usr/sbin/munin07:55:112
154099373,31cyclictest19680-21/usr/sbin/munin07:50:202
154099372,23cyclictest14656-21taskset08:52:442
153999379,25cyclictest0-21swapper/111:15:101
153999379,25cyclictest0-21swapper/111:13:551
153899379,18cyclictest0-21swapper/011:38:400
134792375,14sleep00-21swapper/008:50:160
322192365,12sleep00-21swapper/008:19:490
154199365,10cyclictest0-21swapper/308:17:083
154099366,28cyclictest0-21swapper/207:23:272
154099363,30cyclictest19054-21taskset07:45:322
154099363,30cyclictest11970-21cut07:30:172
1539993614,19cyclictest0-21swapper/112:05:241
153899368,25cyclictest0-21swapper/010:30:140
1538993616,17cyclictest0-21swapper/009:13:210
256292355,14sleep10-21swapper/108:02:371
188292353,13sleep00-21swapper/009:01:270
188152355,14sleep10-21swapper/109:01:161
168452355,15sleep00-21swapper/008:58:140
154099353,29cyclictest9009-21/usr/sbin/munin07:25:132
154099353,29cyclictest3279-21/usr/sbin/munin07:10:232
154099353,29cyclictest32725-21cat08:20:122
154099353,29cyclictest32725-21cat08:20:112
154099353,29cyclictest25479-21taskset08:00:432
154099353,29cyclictest19388-21/usr/sbin/munin09:05:182
154099353,29cyclictest17035-21taskset07:41:552
154099353,29cyclictest13278-21/usr/sbin/munin07:35:232
154099352,30cyclictest31293-21/usr/sbin/munin08:15:192
154099352,30cyclictest21342-21stress11:35:082
153899359,20cyclictest0-21swapper/007:20:410
34542345,14sleep10-21swapper/107:12:201
154099343,29cyclictest21343-21stress10:50:012
153999349,22cyclictest0-21swapper/112:00:181
153999348,23cyclictest0-21swapper/109:25:201
153999346,25cyclictest0-21swapper/110:20:201
153999346,25cyclictest0-21swapper/109:10:261
153899347,24cyclictest0-21swapper/011:15:160
1538993416,15cyclictest0-21swapper/010:40:550
1538993411,20cyclictest0-21swapper/012:03:570
98672335,9sleep10-21swapper/108:40:231
63182334,13sleep00-21swapper/007:16:410
153999338,22cyclictest0-21swapper/111:56:071
153999338,22cyclictest0-21swapper/111:50:261
1539993316,14cyclictest0-21swapper/110:34:511
1539993310,20cyclictest0-21swapper/111:25:321
153899339,21cyclictest0-21swapper/012:15:160
153899339,21cyclictest0-21swapper/012:15:160
153899337,18cyclictest0-21swapper/011:59:410
1538993315,15cyclictest0-21swapper/011:14:420
1538993314,17cyclictest0-21swapper/009:55:280
1538993311,20cyclictest0-21swapper/008:44:300
146972335,14sleep10-21swapper/108:53:181
325052323,12sleep00-21swapper/008:20:050
325052323,12sleep00-21swapper/008:20:040
222372323,9sleep00-21swapper/007:55:140
153999327,22cyclictest0-21swapper/111:45:121
1539993216,14cyclictest0-21swapper/109:30:281
1539993215,15cyclictest0-21swapper/111:36:381
1539993215,14cyclictest0-21swapper/107:25:111
1538993215,15cyclictest0-21swapper/010:35:130
1538993215,14cyclictest0-21swapper/012:05:160
1538993211,19cyclictest0-21swapper/008:35:190
1538993211,19cyclictest0-21swapper/007:35:260
1538993211,18cyclictest0-21swapper/010:45:180
1538993211,16cyclictest0-21swapper/008:45:470
1538993211,16cyclictest0-21swapper/007:32:100
1538993210,19cyclictest0-21swapper/009:45:020
1538993210,19cyclictest0-21swapper/009:15:110
1538993210,17cyclictest0-21swapper/007:25:230
154199315,17cyclictest0-21swapper/308:05:223
153999315,24cyclictest0-21swapper/108:32:001
153999315,24cyclictest0-21swapper/108:20:401
153999315,24cyclictest0-21swapper/108:20:401
153999315,24cyclictest0-21swapper/107:51:501
153999315,24cyclictest0-21swapper/107:48:091
153999315,24cyclictest0-21swapper/107:40:491
1539993115,14cyclictest0-21swapper/110:45:161
1539993115,14cyclictest0-21swapper/110:35:181
1539993115,14cyclictest0-21swapper/110:05:221
1539993115,14cyclictest0-21swapper/110:05:211
1539993111,17cyclictest0-21swapper/109:46:131
1539993111,15cyclictest0-21swapper/108:10:051
153899319,19cyclictest0-21swapper/012:20:120
153899315,15cyclictest0-21swapper/009:08:490
153899315,15cyclictest0-21swapper/008:08:110
153899315,14cyclictest0-21swapper/008:31:070
1538993115,14cyclictest0-21swapper/009:45:310
1538993115,13cyclictest0-21swapper/009:35:160
1538993115,13cyclictest0-21swapper/009:35:150
1538993114,15cyclictest0-21swapper/011:03:410
1538993114,15cyclictest0-21swapper/011:03:400
1538993111,19cyclictest0-21swapper/008:03:110
1538993111,18cyclictest0-21swapper/007:44:500
1538993111,17cyclictest0-21swapper/009:50:210
1538993111,17cyclictest0-21swapper/009:50:200
1538993110,16cyclictest0-21swapper/007:54:510
62772305,9sleep10-21swapper/107:16:091
153999307,21cyclictest0-21swapper/109:55:201
153999305,24cyclictest0-21swapper/108:25:101
153999305,15cyclictest0-21swapper/107:55:151
1539993016,13cyclictest0-21swapper/108:05:401
1539993014,14cyclictest0-21swapper/111:00:281
1539993014,14cyclictest0-21swapper/111:00:281
1539993014,14cyclictest0-21swapper/110:25:201
1539993014,14cyclictest0-21swapper/110:25:201
1539993014,14cyclictest0-21swapper/110:00:291
1539993013,15cyclictest0-21swapper/109:55:021
1539993013,15cyclictest0-21swapper/109:55:021
153899309,18cyclictest0-21swapper/009:25:170
153899305,19cyclictest0-21swapper/007:13:410
1538993016,12cyclictest0-21swapper/010:05:230
1538993016,12cyclictest0-21swapper/010:05:220
1538993015,12cyclictest0-21swapper/009:35:010
1538993014,14cyclictest0-21swapper/012:35:140
1538993013,14cyclictest0-21swapper/010:50:150
1538993010,18cyclictest0-21swapper/010:30:010
1538993010,18cyclictest0-21swapper/010:30:000
1538993010,15cyclictest0-21swapper/008:13:120
153999298,14cyclictest0-21swapper/108:35:051
153999296,21cyclictest0-21swapper/112:11:191
153999296,21cyclictest0-21swapper/112:11:191
153999295,22cyclictest0-21swapper/108:47:101
153999295,22cyclictest0-21swapper/107:35:401
153999295,22cyclictest0-21swapper/107:21:401
1539992910,17cyclictest0-21swapper/112:35:341
153899297,20cyclictest0-21swapper/011:40:170
153899295,18cyclictest0-21swapper/008:27:100
1538992915,12cyclictest0-21swapper/012:10:320
1538992915,12cyclictest0-21swapper/012:10:320
1538992915,12cyclictest0-21swapper/010:55:140
1538992911,16cyclictest0-21swapper/010:20:150
1538992910,16cyclictest0-21swapper/009:24:120
153999285,21cyclictest0-21swapper/107:30:301
1538992816,11cyclictest0-21swapper/007:48:410
1538992815,11cyclictest0-21swapper/010:00:340
1538992814,12cyclictest0-21swapper/011:45:250
154199275,21cyclictest0-21swapper/308:42:393
1541992711,13cyclictest0-21swapper/311:20:023
153999275,13cyclictest0-21swapper/108:18:451
1539992710,15cyclictest0-21swapper/111:05:311
153999269,15cyclictest0-21swapper/112:20:111
1539992613,11cyclictest0-21swapper/112:30:281
1539992612,12cyclictest0-21swapper/112:15:151
1539992612,12cyclictest0-21swapper/112:15:141
153899267,16cyclictest0-21swapper/011:20:270
153999258,15cyclictest0-21swapper/109:15:151
1539992512,11cyclictest0-21swapper/109:40:121
153999249,13cyclictest0-21swapper/110:50:161
153999246,16cyclictest0-21swapper/111:30:171
153899247,14cyclictest0-21swapper/011:30:250
153899246,4cyclictest21346-21iperf10:12:420
153899246,4cyclictest21346-21iperf10:12:410
153899246,15cyclictest0-21swapper/012:35:000
1541992310,11cyclictest0-21swapper/309:30:133
153999236,15cyclictest0-21swapper/110:40:351
153999223,10cyclictest21343-21stress11:20:141
153899228,12cyclictest0-21swapper/010:15:280
153899227,13cyclictest0-21swapper/011:25:160
153899227,13cyclictest0-21swapper/011:05:090
1538992215,5cyclictest7691-21aten2_r7power_c12:25:110
1539992015,3cyclictest21341-21stress09:35:261
1539992015,3cyclictest21341-21stress09:35:251
153999193,7cyclictest21343-21stress10:10:571
153999193,7cyclictest21343-21stress10:10:571
153999177,5cyclictest21346-21iperf12:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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