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2025-12-25 - 06:41
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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 Dec 25, 2025 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591233167,22phc2sys0-21swapper/319:06:473
13192207172,24sleep10-21swapper/119:07:561
12072205172,22sleep00-21swapper/019:06:390
11512204171,22sleep20-21swapper/219:05:552
2857921330,4sleep1179099cyclictest21:10:271
139291690,1ptp4l401ktimersoftd/300:11:163
139291680,1ptp4l401ktimersoftd/322:20:003
16532580,2sleep00-21swapper/022:30:240
139291550,1ptp4l401ktimersoftd/320:10:213
139291550,1ptp4l401ktimersoftd/319:41:193
256092530,2sleep30-21swapper/320:00:003
59622510,1sleep20-21swapper/222:40:182
81642480,2sleep28165-21/usr/sbin/munin19:20:242
86982470,1sleep30-21swapper/323:55:003
179099452,3cyclictest121rcu_preempt22:10:011
1791994431,11cyclictest33-21ksoftirqd/223:20:002
1790994337,3cyclictest25-21ksoftirqd/121:40:011
1790994337,3cyclictest25-21ksoftirqd/121:40:001
139291430,0ptp4l401ktimersoftd/320:48:203
139291430,0ptp4l401ktimersoftd/320:30:383
1791994230,10cyclictest33-21ksoftirqd/222:25:232
179199422,38cyclictest33-21ksoftirqd/221:50:262
1790994236,3cyclictest25-21ksoftirqd/123:55:001
139291420,0ptp4l401ktimersoftd/322:20:163
179299412,36cyclictest30962-21fschecks_count22:25:153
1789994136,3cyclictest9-21ksoftirqd/020:00:010
1789994136,3cyclictest8677-21sh21:40:000
1789994136,3cyclictest8677-21sh21:40:000
139291410,0ptp4l401ktimersoftd/322:36:203
1791994035,3cyclictest33-21ksoftirqd/222:39:592
1791994035,2cyclictest33-21ksoftirqd/200:00:012
1790994034,3cyclictest25-21ksoftirqd/122:25:001
1790994033,4cyclictest32746-21sh20:15:011
1395914031,4phc2sys0-21swapper/319:10:013
139291400,0ptp4l401ktimersoftd/322:01:213
1792993933,4cyclictest41-21ksoftirqd/319:38:503
1792993933,4cyclictest19325-21cron23:10:003
1791993927,10cyclictest33-21ksoftirqd/219:35:272
1791993914,6cyclictest33-21ksoftirqd/223:05:242
179099399,8cyclictest25-21ksoftirqd/120:00:211
1790993934,3cyclictest25-21ksoftirqd/121:05:001
1790993933,3cyclictest25-21ksoftirqd/123:25:001
1790993933,3cyclictest25-21ksoftirqd/123:00:001
1790993932,4cyclictest25-21ksoftirqd/119:45:121
1792993833,3cyclictest41-21ksoftirqd/323:26:273
1792993832,4cyclictest41-21ksoftirqd/321:06:283
1792993831,4cyclictest41-21ksoftirqd/321:47:113
1791993833,3cyclictest33-21ksoftirqd/200:15:002
1791993833,3cyclictest33-21ksoftirqd/200:05:002
1791993832,3cyclictest33-21ksoftirqd/221:55:102
1791993832,3cyclictest33-21ksoftirqd/220:05:012
1791993831,4cyclictest33-21ksoftirqd/222:05:312
1790993834,2cyclictest25-21ksoftirqd/100:05:001
1790993833,3cyclictest25-21ksoftirqd/123:20:001
1790993832,3cyclictest25-21ksoftirqd/121:30:221
1790993832,3cyclictest25-21ksoftirqd/120:05:171
1789993833,3cyclictest9-21ksoftirqd/023:45:000
1789993833,3cyclictest9-21ksoftirqd/019:20:000
1792993732,3cyclictest41-21ksoftirqd/300:00:573
1792993731,4cyclictest41-21ksoftirqd/323:47:173
1792993731,4cyclictest41-21ksoftirqd/321:30:023
1792993731,4cyclictest41-21ksoftirqd/320:35:073
1792993731,4cyclictest41-21ksoftirqd/320:19:093
1792993731,4cyclictest41-21ksoftirqd/319:51:133
1792993731,3cyclictest41-21ksoftirqd/321:14:183
1791993732,3cyclictest33-21ksoftirqd/222:45:252
1791993731,4cyclictest33-21ksoftirqd/223:03:282
1791993731,4cyclictest33-21ksoftirqd/200:22:472
1791993731,3cyclictest33-21ksoftirqd/221:15:002
1791993731,3cyclictest33-21ksoftirqd/220:10:192
179099373,3cyclictest25-21ksoftirqd/122:50:241
1790993733,2cyclictest25-21ksoftirqd/120:50:251
1790993732,3cyclictest25-21ksoftirqd/119:40:221
1790993731,3cyclictest25-21ksoftirqd/122:50:001
1790993731,3cyclictest25-21ksoftirqd/122:15:001
179099370,3cyclictest121rcu_preempt22:28:041
1789993730,4cyclictest9-21ksoftirqd/023:38:400
1792993632,3cyclictest41-21ksoftirqd/300:34:203
1792993631,3cyclictest41-21ksoftirqd/321:42:093
1792993630,4cyclictest41-21ksoftirqd/323:59:293
1792993630,4cyclictest41-21ksoftirqd/322:11:143
1792993630,4cyclictest41-21ksoftirqd/319:31:193
179199367,27cyclictest30146-21kworker/2:121:45:262
1791993632,3cyclictest33-21ksoftirqd/221:45:002
1791993632,3cyclictest33-21ksoftirqd/219:30:182
1791993631,3cyclictest33-21ksoftirqd/223:00:002
1791993631,3cyclictest33-21ksoftirqd/221:05:002
1791993630,4cyclictest33-21ksoftirqd/223:35:192
1791993630,4cyclictest33-21ksoftirqd/219:14:372
1791993623,11cyclictest33-21ksoftirqd/223:50:242
1790993632,2cyclictest25-21ksoftirqd/120:45:011
1790993631,3cyclictest25-21ksoftirqd/123:35:001
1790993631,3cyclictest25-21ksoftirqd/121:15:151
1790993630,4cyclictest25-21ksoftirqd/100:34:051
1790993630,3cyclictest25-21ksoftirqd/120:20:151
1790993627,6cyclictest25-21ksoftirqd/119:57:051
1789993630,4cyclictest9-21ksoftirqd/022:39:190
1789993630,3cyclictest9-21ksoftirqd/023:10:190
1789993628,5cyclictest9-21ksoftirqd/023:55:140
1792993530,3cyclictest41-21ksoftirqd/322:57:513
1792993530,3cyclictest41-21ksoftirqd/321:39:423
1792993530,3cyclictest41-21ksoftirqd/321:39:413
1792993530,3cyclictest41-21ksoftirqd/321:21:433
1792993530,3cyclictest41-21ksoftirqd/321:16:153
1792993530,3cyclictest41-21ksoftirqd/319:23:053
1792993530,3cyclictest41-21ksoftirqd/300:07:553
1792993529,4cyclictest41-21ksoftirqd/320:51:023
1792993529,4cyclictest41-21ksoftirqd/300:27:293
1791993531,2cyclictest33-21ksoftirqd/200:36:262
1791993530,3cyclictest33-21ksoftirqd/223:41:312
1791993530,3cyclictest33-21ksoftirqd/220:35:112
1791993530,3cyclictest33-21ksoftirqd/200:34:592
1791993529,4cyclictest33-21ksoftirqd/221:31:582
1791993529,4cyclictest33-21ksoftirqd/221:08:222
1791993529,4cyclictest33-21ksoftirqd/220:55:282
1791993529,4cyclictest33-21ksoftirqd/220:31:082
1791993529,4cyclictest33-21ksoftirqd/219:44:102
1791993529,3cyclictest33-21ksoftirqd/220:20:192
1791993524,9cyclictest33-21ksoftirqd/219:50:192
1790993531,2cyclictest25-21ksoftirqd/123:10:001
1790993530,3cyclictest25-21ksoftirqd/123:45:181
1790993530,3cyclictest25-21ksoftirqd/123:25:151
1790993530,3cyclictest25-21ksoftirqd/123:05:011
1790993530,3cyclictest25-21ksoftirqd/119:35:191
1790993530,2cyclictest25-21ksoftirqd/119:15:011
1790993529,4cyclictest25-21ksoftirqd/122:17:251
1790993529,4cyclictest25-21ksoftirqd/120:56:341
1790993528,4cyclictest25-21ksoftirqd/119:24:031
1789993530,3cyclictest9-21ksoftirqd/021:54:190
1789993530,3cyclictest9-21ksoftirqd/020:44:380
1789993530,3cyclictest9-21ksoftirqd/020:35:430
1789993529,4cyclictest9-21ksoftirqd/023:45:300
1789993529,4cyclictest9-21ksoftirqd/023:27:050
1789993529,4cyclictest9-21ksoftirqd/022:15:320
1789993529,4cyclictest9-21ksoftirqd/022:08:100
1789993529,4cyclictest9-21ksoftirqd/021:11:050
1789993529,4cyclictest9-21ksoftirqd/020:26:050
1789993529,4cyclictest9-21ksoftirqd/019:12:110
1789993529,4cyclictest9-21ksoftirqd/000:05:080
1792993430,3cyclictest41-21ksoftirqd/320:55:123
1792993429,3cyclictest41-21ksoftirqd/323:37:473
1792993429,3cyclictest41-21ksoftirqd/320:23:473
1792993428,4cyclictest41-21ksoftirqd/322:31:373
1792993428,4cyclictest41-21ksoftirqd/321:02:183
1792993428,4cyclictest41-21ksoftirqd/320:27:363
1792993428,4cyclictest41-21ksoftirqd/300:19:473
1791993430,3cyclictest33-21ksoftirqd/220:55:002
1791993429,3cyclictest33-21ksoftirqd/223:25:152
1791993429,3cyclictest33-21ksoftirqd/222:20:012
1791993428,4cyclictest33-21ksoftirqd/222:22:292
1791993428,4cyclictest33-21ksoftirqd/221:35:582
1791993428,4cyclictest33-21ksoftirqd/221:35:582
1791993428,3cyclictest33-21ksoftirqd/222:03:002
1791993427,4cyclictest33-21ksoftirqd/223:13:552
1791993427,4cyclictest33-21ksoftirqd/220:05:562
179199342,3cyclictest33-21ksoftirqd/200:05:232
1791993422,10cyclictest33-21ksoftirqd/221:15:142
1791993422,10cyclictest33-21ksoftirqd/220:15:132
179099344,2cyclictest121rcu_preempt00:35:221
1790993430,3cyclictest25-21ksoftirqd/122:44:591
1790993430,2cyclictest25-21ksoftirqd/100:15:131
1790993429,3cyclictest25-21ksoftirqd/121:50:011
1790993429,2cyclictest25-21ksoftirqd/100:20:121
1790993428,4cyclictest25-21ksoftirqd/121:51:341
1790993428,4cyclictest25-21ksoftirqd/119:27:201
1790993428,3cyclictest25-21ksoftirqd/100:09:501
1789993430,3cyclictest9-21ksoftirqd/021:25:200
1789993430,2cyclictest9-21ksoftirqd/020:45:230
1789993429,3cyclictest9-21ksoftirqd/022:47:240
1789993429,3cyclictest9-21ksoftirqd/020:16:580
1789993428,4cyclictest9-21ksoftirqd/023:05:500
1789993428,4cyclictest9-21ksoftirqd/021:55:070
1789993428,4cyclictest9-21ksoftirqd/019:33:260
1789993428,4cyclictest9-21ksoftirqd/019:26:240
1792993328,3cyclictest41-21ksoftirqd/323:11:123
1792993328,3cyclictest41-21ksoftirqd/321:52:083
1792993327,4cyclictest41-21ksoftirqd/323:40:113
1791993329,2cyclictest33-21ksoftirqd/223:31:442
1791993327,4cyclictest33-21ksoftirqd/223:22:572
1791993327,4cyclictest33-21ksoftirqd/221:21:382
1791993327,4cyclictest33-21ksoftirqd/219:49:442
1791993327,4cyclictest33-21ksoftirqd/219:26:422
1791993327,4cyclictest33-21ksoftirqd/219:18:192
1791993327,3cyclictest33-21ksoftirqd/200:29:392
179099336,3cyclictest25-21ksoftirqd/123:12:281
1790993329,2cyclictest25-21ksoftirqd/123:55:001
1790993329,2cyclictest25-21ksoftirqd/121:05:271
1790993328,3cyclictest25-21ksoftirqd/123:41:101
1790993328,3cyclictest25-21ksoftirqd/120:30:201
1790993328,3cyclictest25-21ksoftirqd/100:25:161
1790993328,2cyclictest25-21ksoftirqd/121:45:011
1790993327,4cyclictest25-21ksoftirqd/122:01:221
1790993327,4cyclictest25-21ksoftirqd/119:51:561
1790993327,4cyclictest25-21ksoftirqd/119:17:501
1790993327,3cyclictest25-21ksoftirqd/122:30:181
179099332,6cyclictest25-21ksoftirqd/121:55:251
179099331,9cyclictest25-21ksoftirqd/120:25:161
179099331,2cyclictest121rcu_preempt20:45:201
1789993328,3cyclictest9-21ksoftirqd/023:50:200
1789993327,4cyclictest9-21ksoftirqd/022:58:400
1789993327,4cyclictest9-21ksoftirqd/022:54:590
1789993327,4cyclictest9-21ksoftirqd/021:15:060
1789993327,4cyclictest9-21ksoftirqd/021:00:470
1789993327,4cyclictest9-21ksoftirqd/020:09:080
1789993327,4cyclictest9-21ksoftirqd/019:36:190
1789993327,4cyclictest9-21ksoftirqd/000:04:070
1789993326,4cyclictest9-21ksoftirqd/019:51:540
1789993326,4cyclictest9-21ksoftirqd/000:11:130
197292320,5sleep09-21ksoftirqd/020:55:140
1792993227,4cyclictest41-21ksoftirqd/321:27:193
1792993227,3cyclictest41-21ksoftirqd/322:06:173
1792993227,3cyclictest41-21ksoftirqd/320:08:563
1792993227,3cyclictest41-21ksoftirqd/319:26:333
1792993227,3cyclictest41-21ksoftirqd/300:22:063
1792993226,4cyclictest41-21ksoftirqd/323:18:493
1792993226,4cyclictest41-21ksoftirqd/322:54:463
1791993227,3cyclictest33-21ksoftirqd/222:50:142
1791993226,4cyclictest33-21ksoftirqd/219:59:152
1791993218,3cyclictest33-21ksoftirqd/220:45:242
179099326,2cyclictest25-21ksoftirqd/121:28:581
179099324,3cyclictest121rcu_preempt21:20:221
1790993228,3cyclictest25-21ksoftirqd/123:35:151
1790993227,3cyclictest25-21ksoftirqd/120:20:001
1790993227,3cyclictest25-21ksoftirqd/119:34:591
1790993226,3cyclictest25-21ksoftirqd/122:40:011
1789993227,3cyclictest9-21ksoftirqd/021:40:190
1789993226,4cyclictest9-21ksoftirqd/023:31:140
1789993226,4cyclictest9-21ksoftirqd/023:20:350
1789993226,4cyclictest9-21ksoftirqd/022:22:270
1789993226,4cyclictest9-21ksoftirqd/000:37:250
1789993226,4cyclictest9-21ksoftirqd/000:31:190
1792993126,3cyclictest41-21ksoftirqd/323:20:413
1792993126,3cyclictest41-21ksoftirqd/322:48:073
1792993126,3cyclictest41-21ksoftirqd/320:04:203
1792993125,4cyclictest41-21ksoftirqd/323:04:383
1792993125,4cyclictest41-21ksoftirqd/321:57:503
1792993125,4cyclictest41-21ksoftirqd/319:17:003
1792993125,3cyclictest41-21ksoftirqd/322:43:433
1791993125,3cyclictest33-21ksoftirqd/220:30:002
1791993124,4cyclictest33-21ksoftirqd/222:32:552
1791993119,10cyclictest33-21ksoftirqd/221:25:202
179099315,2cyclictest121rcu_preempt00:10:131
179099310,2cyclictest121rcu_preempt20:35:161
1789993127,2cyclictest9-21ksoftirqd/019:44:590
1789993125,4cyclictest9-21ksoftirqd/022:27:350
1789993125,4cyclictest9-21ksoftirqd/021:31:320
1789993125,4cyclictest9-21ksoftirqd/021:21:320
139291310,8ptp4l401ktimersoftd/319:45:063
1791993025,3cyclictest33-21ksoftirqd/200:15:182
1791993024,4cyclictest33-21ksoftirqd/222:12:572
1791993024,3cyclictest12740-21cstates20:40:112
1789993025,3cyclictest9-21ksoftirqd/022:41:300
1789993025,3cyclictest9-21ksoftirqd/022:10:120
1789993025,3cyclictest9-21ksoftirqd/022:03:040
1789993024,4cyclictest9-21ksoftirqd/023:04:100
1789993024,4cyclictest9-21ksoftirqd/020:51:400
1789993024,4cyclictest9-21ksoftirqd/020:12:560
139291300,0ptp4l401ktimersoftd/320:42:373
1792992924,3cyclictest41-21ksoftirqd/323:32:263
1792992924,3cyclictest41-21ksoftirqd/300:38:303
1789992924,3cyclictest9-21ksoftirqd/023:20:000
1789992924,3cyclictest9-21ksoftirqd/021:45:470
1789992924,3cyclictest9-21ksoftirqd/020:33:390
1789992924,3cyclictest9-21ksoftirqd/020:22:040
1789992924,3cyclictest9-21ksoftirqd/020:03:430
1789992924,3cyclictest9-21ksoftirqd/019:22:030
1789992924,3cyclictest9-21ksoftirqd/000:22:290
1789992923,4cyclictest9-21ksoftirqd/019:48:410
1789992824,2cyclictest9-21ksoftirqd/000:15:130
1789992823,3cyclictest9-21ksoftirqd/021:05:440
1791992722,3cyclictest33-21ksoftirqd/223:45:202
1789992721,4cyclictest9-21ksoftirqd/000:29:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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