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2026-05-28 - 21:29
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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 rackdslot2.osadl.org (updated Thu May 28, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278552240173,22sleep30-21swapper/307:08:513
279292224160,52sleep10-21swapper/107:09:421
276062207174,22sleep20-21swapper/207:05:372
277602204171,21sleep00-21swapper/007:07:360
28246997128,3cyclictest25-21ksoftirqd/109:25:011
209482610,4sleep1231rcuc/110:15:191
320162530,4sleep00-21swapper/009:30:200
139291530,1ptp4l401ktimersoftd/310:00:123
2824599517,3cyclictest9-21ksoftirqd/012:25:000
2824599498,9cyclictest9-21ksoftirqd/011:40:000
92292480,2sleep10-21swapper/108:45:001
2824599481,3cyclictest9-21ksoftirqd/009:50:000
2824599456,3cyclictest9-21ksoftirqd/009:05:150
2824599455,2cyclictest121rcu_preempt07:30:220
2824599442,7cyclictest9-21ksoftirqd/008:35:270
2824599441,4cyclictest9-21ksoftirqd/009:40:160
139291440,1ptp4l401ktimersoftd/310:45:373
139291440,0ptp4l401ktimersoftd/312:15:233
139291440,0ptp4l401ktimersoftd/311:50:273
139291440,0ptp4l401ktimersoftd/307:23:513
28245994338,3cyclictest9-21ksoftirqd/007:39:590
2824599431,7cyclictest9-21ksoftirqd/011:16:300
139291430,0ptp4l401ktimersoftd/311:08:043
28248994237,3cyclictest41-21ksoftirqd/309:35:003
28246994236,3cyclictest25-21ksoftirqd/107:15:011
2824599426,7cyclictest9-21ksoftirqd/008:20:000
2824599426,3cyclictest121rcu_preempt11:15:000
2824599424,8cyclictest9-21ksoftirqd/008:50:130
28245994236,3cyclictest9-21ksoftirqd/007:25:010
135191420,7getstats2824899cyclictest07:49:273
28248994128,11cyclictest41-21ksoftirqd/309:22:053
28247994130,9cyclictest33-21ksoftirqd/209:35:242
28246994135,3cyclictest25-21ksoftirqd/107:50:001
2824599415,3cyclictest9-21ksoftirqd/009:55:120
28245994136,3cyclictest9-21ksoftirqd/010:55:000
28245994136,3cyclictest9-21ksoftirqd/010:50:000
2824599413,3cyclictest9-21ksoftirqd/011:30:170
2824599410,5cyclictest9-21ksoftirqd/008:05:230
139291410,0ptp4l401ktimersoftd/308:25:203
28247994035,3cyclictest33-21ksoftirqd/211:55:002
28247994034,3cyclictest33-21ksoftirqd/207:39:592
28246994035,3cyclictest25-21ksoftirqd/108:30:001
28246994035,2cyclictest25-21ksoftirqd/108:40:001
28246994034,3cyclictest25-21ksoftirqd/108:25:001
2824599405,4cyclictest9-21ksoftirqd/010:25:100
2824599405,3cyclictest121rcu_preempt09:25:230
2824599405,3cyclictest121rcu_preempt09:20:180
2824599404,3cyclictest9-21ksoftirqd/007:10:190
2824599404,2cyclictest9-21ksoftirqd/009:50:160
28245994036,2cyclictest9-21ksoftirqd/007:20:000
28245994034,4cyclictest9-21ksoftirqd/011:30:000
28247993934,3cyclictest33-21ksoftirqd/210:25:002
2824799393,10cyclictest33-21ksoftirqd/207:30:182
28246993935,2cyclictest25-21ksoftirqd/109:55:001
28246993934,3cyclictest25-21ksoftirqd/112:20:001
28246993924,3cyclictest25-21ksoftirqd/109:45:211
2824599395,2cyclictest121rcu_preempt09:10:120
2824599394,2cyclictest121rcu_preempt10:35:020
28247993832,3cyclictest33-21ksoftirqd/210:00:002
28247993826,4cyclictest33-21ksoftirqd/211:28:252
28246993834,2cyclictest25-21ksoftirqd/109:30:011
28246993833,2cyclictest25-21ksoftirqd/112:25:001
28246993832,3cyclictest25-21ksoftirqd/111:40:131
28246993831,4cyclictest25-21ksoftirqd/111:45:051
28246993821,4cyclictest25-21ksoftirqd/109:40:231
28246993821,4cyclictest25-21ksoftirqd/109:05:251
28246993821,4cyclictest25-21ksoftirqd/108:45:271
2824599387,3cyclictest9-21ksoftirqd/011:02:500
2824599386,3cyclictest121rcu_preempt12:00:170
2824599384,3cyclictest121rcu_preempt12:05:210
28245993831,4cyclictest9-21ksoftirqd/009:00:100
2824599381,3cyclictest9-21ksoftirqd/007:45:140
139291380,0ptp4l401ktimersoftd/310:40:233
28248993732,3cyclictest41-21ksoftirqd/310:09:503
28248993731,4cyclictest41-21ksoftirqd/308:15:533
28248993731,4cyclictest41-21ksoftirqd/307:37:073
28247993731,4cyclictest33-21ksoftirqd/212:33:232
28247993731,4cyclictest33-21ksoftirqd/211:35:502
28247993731,4cyclictest33-21ksoftirqd/210:40:102
28247993731,4cyclictest33-21ksoftirqd/209:14:142
28247993725,10cyclictest33-21ksoftirqd/211:40:182
2824699374,3cyclictest121rcu_preempt08:10:171
28246993732,3cyclictest25-21ksoftirqd/109:15:001
28246993724,3cyclictest25-21ksoftirqd/110:50:231
28246993723,3cyclictest25-21ksoftirqd/110:30:131
28246993722,4cyclictest25-21ksoftirqd/112:05:131
28246993722,3cyclictest25-21ksoftirqd/111:35:261
28246993721,4cyclictest25-21ksoftirqd/112:30:161
28246993720,4cyclictest25-21ksoftirqd/108:00:251
28246993720,3cyclictest25-21ksoftirqd/110:00:231
2824699371,3cyclictest121rcu_preempt10:40:151
2824599377,7cyclictest9-21ksoftirqd/007:55:260
2824599375,3cyclictest121rcu_preempt10:20:150
28245993731,3cyclictest9-21ksoftirqd/010:59:460
2824599371,3cyclictest121rcu_preempt08:00:270
2824599370,3cyclictest9-21ksoftirqd/007:25:190
28248993632,3cyclictest41-21ksoftirqd/311:40:013
28248993632,2cyclictest41-21ksoftirqd/312:40:003
28248993631,3cyclictest41-21ksoftirqd/310:51:563
28248993631,3cyclictest41-21ksoftirqd/309:12:053
28248993631,3cyclictest41-21ksoftirqd/308:42:433
28248993631,3cyclictest41-21ksoftirqd/307:54:313
28248993630,4cyclictest41-21ksoftirqd/309:15:523
28247993632,3cyclictest33-21ksoftirqd/209:35:012
28247993630,4cyclictest33-21ksoftirqd/212:25:532
28247993630,4cyclictest33-21ksoftirqd/208:54:592
28247993630,4cyclictest33-21ksoftirqd/208:34:512
28247993630,3cyclictest33-21ksoftirqd/210:55:002
28247993630,3cyclictest33-21ksoftirqd/209:10:012
2824799362,3cyclictest33-21ksoftirqd/211:10:132
2824799360,34cyclictest29734-1kworker/2:0H12:25:002
28246993632,2cyclictest25-21ksoftirqd/110:15:001
28246993631,3cyclictest25-21ksoftirqd/112:40:001
28246993631,2cyclictest25-21ksoftirqd/110:00:011
28246993630,4cyclictest25-21ksoftirqd/111:23:551
28246993630,4cyclictest25-21ksoftirqd/109:34:181
28246993630,3cyclictest25-21ksoftirqd/112:10:121
28246993630,3cyclictest25-21ksoftirqd/110:35:111
28246993625,3cyclictest25-21ksoftirqd/107:25:181
28246993623,3cyclictest25-21ksoftirqd/107:40:161
28246993622,4cyclictest25-21ksoftirqd/110:25:111
28246993621,4cyclictest25-21ksoftirqd/108:15:241
28246993621,3cyclictest25-21ksoftirqd/107:55:191
28246993621,3cyclictest25-21ksoftirqd/107:20:011
28246993620,4cyclictest25-21ksoftirqd/110:20:131
28246993616,3cyclictest25-21ksoftirqd/112:00:161
2824699361,2cyclictest121rcu_preempt11:15:251
2824599366,8cyclictest9-21ksoftirqd/011:45:110
2824599365,8cyclictest9-21ksoftirqd/008:30:000
2824599365,3cyclictest121rcu_preempt10:30:010
28245993633,2cyclictest9-21ksoftirqd/009:40:010
28245993631,3cyclictest9-21ksoftirqd/010:10:010
28245993630,4cyclictest9-21ksoftirqd/009:19:500
28245993630,3cyclictest9-21ksoftirqd/012:15:170
139291360,0ptp4l401ktimersoftd/312:08:313
139291360,0ptp4l401ktimersoftd/307:25:213
28248993531,3cyclictest41-21ksoftirqd/307:57:133
28248993529,4cyclictest41-21ksoftirqd/312:32:283
28248993529,4cyclictest41-21ksoftirqd/311:18:443
28248993529,4cyclictest41-21ksoftirqd/310:57:293
28248993529,3cyclictest41-21ksoftirqd/310:26:203
28247993530,3cyclictest33-21ksoftirqd/207:55:192
28247993530,3cyclictest33-21ksoftirqd/207:50:002
28247993529,4cyclictest33-21ksoftirqd/210:38:152
28247993529,4cyclictest33-21ksoftirqd/209:16:352
28247993529,4cyclictest33-21ksoftirqd/208:26:392
28247993529,4cyclictest33-21ksoftirqd/208:17:222
28247993528,4cyclictest33-21ksoftirqd/208:35:092
28247993522,3cyclictest33-21ksoftirqd/209:22:592
28246993531,2cyclictest25-21ksoftirqd/111:30:181
28246993531,2cyclictest10587-21cat07:40:001
28246993530,3cyclictest25-21ksoftirqd/111:00:091
28246993530,2cyclictest25-21ksoftirqd/109:40:001
28246993529,4cyclictest25-21ksoftirqd/111:28:121
28246993528,4cyclictest25-21ksoftirqd/108:57:301
28246993525,3cyclictest25-21ksoftirqd/109:00:141
28246993521,4cyclictest25-21ksoftirqd/111:10:141
28246993521,3cyclictest25-21ksoftirqd/110:45:231
28246993520,3cyclictest25-21ksoftirqd/111:50:171
28246993520,3cyclictest25-21ksoftirqd/110:55:171
2824699351,3cyclictest121rcu_preempt07:50:131
2824599356,3cyclictest121rcu_preempt08:30:140
2824599353,3cyclictest121rcu_preempt12:35:210
28245993531,2cyclictest9-21ksoftirqd/008:10:210
28245993530,3cyclictest9-21ksoftirqd/011:50:130
28245993529,3cyclictest9-21ksoftirqd/010:15:100
28245993529,3cyclictest9-21ksoftirqd/008:47:110
28245993529,3cyclictest9-21ksoftirqd/008:21:250
28245993528,4cyclictest9-21ksoftirqd/011:59:330
2824599350,5cyclictest9-21ksoftirqd/011:20:260
28248993429,3cyclictest41-21ksoftirqd/310:22:353
28248993429,3cyclictest41-21ksoftirqd/309:51:103
28248993429,3cyclictest41-21ksoftirqd/309:40:333
28248993429,3cyclictest41-21ksoftirqd/307:17:343
28248993428,4cyclictest41-21ksoftirqd/312:04:403
28248993428,4cyclictest41-21ksoftirqd/311:10:413
28248993428,4cyclictest41-21ksoftirqd/310:35:583
28248993428,4cyclictest41-21ksoftirqd/310:16:293
28248993428,4cyclictest41-21ksoftirqd/308:59:033
28248993428,4cyclictest41-21ksoftirqd/307:40:323
28248993428,4cyclictest41-21ksoftirqd/307:13:483
28247993429,3cyclictest33-21ksoftirqd/208:48:142
28247993428,4cyclictest33-21ksoftirqd/212:08:252
28247993428,4cyclictest33-21ksoftirqd/211:45:372
28247993428,4cyclictest33-21ksoftirqd/209:25:522
28247993427,5cyclictest33-21ksoftirqd/208:40:592
28246993420,3cyclictest25-21ksoftirqd/110:05:141
28246993420,3cyclictest25-21ksoftirqd/108:50:161
28246993419,4cyclictest25-21ksoftirqd/111:55:161
28246993419,3cyclictest25-21ksoftirqd/112:25:151
28246993419,3cyclictest25-21ksoftirqd/111:05:131
28246993419,3cyclictest25-21ksoftirqd/109:15:151
28246993419,3cyclictest25-21ksoftirqd/107:20:201
2824599346,3cyclictest121rcu_preempt07:50:180
28245993429,3cyclictest9-21ksoftirqd/010:00:160
28245993429,3cyclictest9-21ksoftirqd/008:40:250
2824599342,8cyclictest9-21ksoftirqd/010:40:120
28245993428,3cyclictest9-21ksoftirqd/009:00:000
28245993427,4cyclictest9-21ksoftirqd/010:10:360
2824599341,2cyclictest121rcu_preempt07:40:150
41298330,5rtkit-daemon18491-21apache211:55:243
28248993328,3cyclictest41-21ksoftirqd/308:14:223
28248993328,3cyclictest41-21ksoftirqd/308:08:373
28248993327,4cyclictest41-21ksoftirqd/312:27:193
28248993327,4cyclictest41-21ksoftirqd/311:47:203
28248993327,4cyclictest41-21ksoftirqd/311:43:313
28248993327,4cyclictest41-21ksoftirqd/311:23:493
28248993327,4cyclictest41-21ksoftirqd/311:02:463
28248993327,4cyclictest41-21ksoftirqd/308:33:033
28248993327,4cyclictest41-21ksoftirqd/308:00:213
28247993328,3cyclictest33-21ksoftirqd/211:00:242
28247993328,3cyclictest33-21ksoftirqd/210:12:002
28247993328,3cyclictest33-21ksoftirqd/209:42:482
28247993328,3cyclictest33-21ksoftirqd/209:02:472
28247993328,3cyclictest33-21ksoftirqd/207:50:112
28247993327,4cyclictest33-21ksoftirqd/212:18:392
28247993327,4cyclictest33-21ksoftirqd/210:49:412
28247993327,4cyclictest33-21ksoftirqd/208:22:222
28247993327,4cyclictest33-21ksoftirqd/207:26:232
28247993327,4cyclictest33-21ksoftirqd/207:22:132
28246993327,4cyclictest25-21ksoftirqd/108:05:091
28246993319,3cyclictest25-21ksoftirqd/108:30:201
28246993319,3cyclictest25-21ksoftirqd/107:30:131
2824599336,3cyclictest121rcu_preempt12:25:230
2824599332,3cyclictest121rcu_preempt12:10:220
139291330,0ptp4l401ktimersoftd/309:38:113
28248993227,3cyclictest41-21ksoftirqd/312:10:053
28248993227,3cyclictest41-21ksoftirqd/311:29:563
28248993227,3cyclictest41-21ksoftirqd/308:50:113
28248993227,3cyclictest41-21ksoftirqd/308:24:373
28248993226,4cyclictest41-21ksoftirqd/310:31:083
28248993226,4cyclictest41-21ksoftirqd/309:58:553
28248993226,4cyclictest41-21ksoftirqd/309:02:283
28247993227,3cyclictest33-21ksoftirqd/212:36:432
28247993227,3cyclictest33-21ksoftirqd/211:05:452
28247993226,4cyclictest33-21ksoftirqd/210:28:002
28247993226,4cyclictest33-21ksoftirqd/207:18:522
28245993226,3cyclictest9-21ksoftirqd/011:43:580
2824599321,3cyclictest9-21ksoftirqd/011:05:260
28248993126,3cyclictest41-21ksoftirqd/309:27:313
28247993126,3cyclictest33-21ksoftirqd/211:18:172
28247993125,3cyclictest33-21ksoftirqd/209:50:142
28247993125,3cyclictest33-21ksoftirqd/208:55:122
28245993124,4cyclictest9-21ksoftirqd/012:30:160
28247993025,3cyclictest33-21ksoftirqd/212:10:522
28247993025,3cyclictest33-21ksoftirqd/210:31:102
28247993025,3cyclictest33-21ksoftirqd/210:01:162
28247993025,3cyclictest33-21ksoftirqd/208:12:392
28247993025,2cyclictest33-21ksoftirqd/210:05:172
28247993024,4cyclictest33-21ksoftirqd/207:41:312
28247993024,3cyclictest33-21ksoftirqd/207:10:182
28247993018,9cyclictest33-21ksoftirqd/210:55:182
2824799301,25cyclictest1312-21snmpd11:30:242
139291300,0ptp4l401ktimersoftd/312:22:493
139291300,0ptp4l401ktimersoftd/311:33:433
139291300,0ptp4l401ktimersoftd/310:11:543
28248992924,3cyclictest41-21ksoftirqd/309:06:313
28248992924,3cyclictest41-21ksoftirqd/308:46:493
28247992924,3cyclictest33-21ksoftirqd/211:21:422
28247992924,3cyclictest33-21ksoftirqd/209:49:072
28247992924,3cyclictest33-21ksoftirqd/208:01:422
28248992823,3cyclictest41-21ksoftirqd/309:47:013
28248992823,3cyclictest41-21ksoftirqd/308:37:063
28247992723,2cyclictest33-21ksoftirqd/210:16:592
28247992722,3cyclictest33-21ksoftirqd/212:00:102
28247992722,3cyclictest33-21ksoftirqd/208:06:372
139291270,6ptp4l401ktimersoftd/307:31:113
28247992620,4cyclictest33-21ksoftirqd/211:56:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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