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2026-06-30 - 09:39
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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 rackdslot3.osadl.org (updated Tue Jun 30, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
80412205170,24sleep20-21swapper/219:05:282
62792205171,22sleep30-21swapper/319:05:053
80802203170,22sleep00-21swapper/019:05:450
80592201168,22sleep10-21swapper/119:05:311
1121921360,6sleep1870599cyclictest21:30:121
139391730,1ptp4l391rcuc/323:25:233
8705996328,4cyclictest25-21ksoftirqd/120:55:001
8704996334,5cyclictest9-21ksoftirqd/000:25:240
8704996227,5cyclictest9-21ksoftirqd/022:15:230
8704996226,8cyclictest9-21ksoftirqd/022:40:260
8705996128,10cyclictest25-21ksoftirqd/121:20:251
8705996124,9cyclictest25-21ksoftirqd/123:25:141
8705996124,10cyclictest25-21ksoftirqd/121:00:151
8704996133,3cyclictest9-21ksoftirqd/000:10:200
8704996130,3cyclictest9-21ksoftirqd/021:25:280
8704996128,3cyclictest9-21ksoftirqd/000:35:190
8705996030,3cyclictest25-21ksoftirqd/120:20:201
8705996024,8cyclictest25-21ksoftirqd/123:50:201
8705996023,10cyclictest25-21ksoftirqd/119:45:001
8705996021,9cyclictest25-21ksoftirqd/120:25:251
8705996021,9cyclictest25-21ksoftirqd/119:55:171
8704996030,7cyclictest9-21ksoftirqd/020:25:000
8704996030,3cyclictest9-21ksoftirqd/022:55:010
58392600,6sleep0870499cyclictest23:34:590
8705995926,11cyclictest25-21ksoftirqd/123:05:181
8705995923,7cyclictest25-21ksoftirqd/121:54:591
8704995932,3cyclictest9-21ksoftirqd/023:55:220
8705995825,10cyclictest25-21ksoftirqd/120:40:191
8704995833,3cyclictest9-21ksoftirqd/019:45:180
8704995828,4cyclictest9-21ksoftirqd/019:10:150
8704995828,3cyclictest9-21ksoftirqd/019:50:170
8704995820,9cyclictest9-21ksoftirqd/021:30:130
8705995724,7cyclictest25-21ksoftirqd/123:20:231
8704995730,3cyclictest9-21ksoftirqd/021:20:270
8704995727,3cyclictest9-21ksoftirqd/021:50:270
8704995727,3cyclictest9-21ksoftirqd/020:10:160
8704995727,3cyclictest9-21ksoftirqd/019:35:230
8704995727,3cyclictest9-21ksoftirqd/019:15:160
8704995726,3cyclictest9-21ksoftirqd/023:20:140
8704995722,3cyclictest9-21ksoftirqd/019:25:190
8705995626,9cyclictest25-21ksoftirqd/120:55:201
8705995623,10cyclictest25-21ksoftirqd/121:55:211
8705995620,9cyclictest25-21ksoftirqd/120:35:151
8704995631,3cyclictest9-21ksoftirqd/000:05:290
8704995627,4cyclictest9-21ksoftirqd/023:10:240
8704995626,3cyclictest9-21ksoftirqd/022:25:270
8704995626,3cyclictest9-21ksoftirqd/021:15:010
8704995624,4cyclictest9-21ksoftirqd/021:05:130
8704995615,3cyclictest9-21ksoftirqd/019:55:190
307022560,2sleep20-21swapper/222:10:182
26572560,2sleep10-21swapper/100:35:151
139391560,1ptp4l391rcuc/321:40:263
8705995522,10cyclictest25-21ksoftirqd/119:15:141
8705995522,10cyclictest25-21ksoftirqd/100:15:111
8704995528,8cyclictest9-21ksoftirqd/020:59:590
8704995528,3cyclictest9-21ksoftirqd/023:35:160
8704995528,3cyclictest9-21ksoftirqd/022:45:250
8704995526,3cyclictest9-21ksoftirqd/022:20:240
8704995522,4cyclictest9-21ksoftirqd/022:05:210
8704995522,4cyclictest9-21ksoftirqd/022:05:210
79552550,4sleep00-21swapper/020:15:140
8705995422,7cyclictest25-21ksoftirqd/121:10:281
8704995424,4cyclictest9-21ksoftirqd/022:00:190
8705995325,9cyclictest25-21ksoftirqd/123:55:111
8705995319,10cyclictest25-21ksoftirqd/123:00:161
8704995333,3cyclictest9-21ksoftirqd/022:55:220
8704995326,6cyclictest9-21ksoftirqd/023:50:140
8704995322,3cyclictest9-21ksoftirqd/020:40:250
8705995227,9cyclictest25-21ksoftirqd/120:05:011
8705995220,10cyclictest25-21ksoftirqd/120:10:131
870599511,7cyclictest241ktimersoftd/121:25:241
8704995136,4cyclictest9-21ksoftirqd/020:30:180
8704995119,3cyclictest9-21ksoftirqd/023:45:260
8704995119,3cyclictest9-21ksoftirqd/023:45:260
8704995118,4cyclictest9-21ksoftirqd/023:00:180
8704995118,4cyclictest9-21ksoftirqd/000:15:200
870799500,3cyclictest14034-21taskset20:25:313
8705995022,4cyclictest25-21ksoftirqd/123:45:251
8705995022,4cyclictest25-21ksoftirqd/123:45:251
8705995012,9cyclictest25-21ksoftirqd/122:05:011
8704995024,4cyclictest9-21ksoftirqd/021:40:230
8704995023,4cyclictest9-21ksoftirqd/020:45:270
8704995020,3cyclictest9-21ksoftirqd/000:00:160
8704995020,10cyclictest9-21ksoftirqd/022:34:590
8704995019,4cyclictest9-21ksoftirqd/023:40:210
8704995019,3cyclictest9-21ksoftirqd/021:15:180
870799490,3cyclictest23809-21taskset20:49:063
870599491,6cyclictest25-21ksoftirqd/122:49:591
870599490,6cyclictest25-21ksoftirqd/120:15:121
870599490,6cyclictest241ktimersoftd/120:30:221
870499492,2cyclictest9-21ksoftirqd/020:10:000
8704994920,3cyclictest9-21ksoftirqd/021:45:260
8704994918,4cyclictest9-21ksoftirqd/000:20:160
8704994916,6cyclictest9-21ksoftirqd/020:50:290
870599483,9cyclictest25-21ksoftirqd/119:25:261
8705994828,10cyclictest25-21ksoftirqd/119:45:121
870599481,5cyclictest25-21ksoftirqd/120:05:211
8705994810,8cyclictest25-21ksoftirqd/122:10:181
870499484,3cyclictest9-21ksoftirqd/022:10:130
8704994819,3cyclictest9-21ksoftirqd/019:40:200
870599473,9cyclictest25-21ksoftirqd/119:10:271
8705994724,9cyclictest25-21ksoftirqd/122:05:191
8705994724,9cyclictest25-21ksoftirqd/122:05:191
870599470,5cyclictest241ktimersoftd/121:50:001
8704994733,3cyclictest9-21ksoftirqd/023:15:260
8704994721,4cyclictest9-21ksoftirqd/020:35:510
8704994721,3cyclictest9-21ksoftirqd/000:30:270
8704994712,3cyclictest9-21ksoftirqd/023:05:160
8706994638,2cyclictest33-21ksoftirqd/221:55:002
870599467,7cyclictest25-21ksoftirqd/121:35:151
870599466,3cyclictest25-21ksoftirqd/122:40:001
8705994630,4cyclictest25-21ksoftirqd/123:35:231
8705994618,9cyclictest25-21ksoftirqd/122:30:241
870599461,6cyclictest25-21ksoftirqd/122:20:241
8705994615,9cyclictest25-21ksoftirqd/100:25:161
870499461,3cyclictest121rcu_preempt19:30:240
870599455,3cyclictest25-21ksoftirqd/121:40:231
870599453,2cyclictest121rcu_preempt23:20:001
870599452,6cyclictest25-21ksoftirqd/121:05:131
870599452,2cyclictest121rcu_preempt23:10:241
870599452,2cyclictest121rcu_preempt22:15:231
870599452,2cyclictest121rcu_preempt00:05:211
870599451,8cyclictest25-21ksoftirqd/100:10:211
870599451,6cyclictest25-21ksoftirqd/100:30:271
8704994528,9cyclictest9-21ksoftirqd/021:05:000
870599446,7cyclictest25-21ksoftirqd/120:50:001
870599443,8cyclictest25-21ksoftirqd/119:50:181
8705994418,8cyclictest25-21ksoftirqd/122:40:221
870599441,4cyclictest25-21ksoftirqd/123:40:161
870599440,5cyclictest241ktimersoftd/122:25:241
870599440,2cyclictest121rcu_preempt23:30:231
8704994432,3cyclictest9-21ksoftirqd/021:35:160
8704994419,7cyclictest9-21ksoftirqd/022:37:180
870499440,3cyclictest121rcu_preempt20:25:160
139391440,0ptp4l401ktimersoftd/320:17:403
8707994311,18cyclictest18654-21seq22:51:523
870799430,3cyclictest17490-21runrttasks23:57:323
870599437,3cyclictest121rcu_preempt22:55:191
8705994328,4cyclictest25-21ksoftirqd/121:15:281
870599431,2cyclictest121rcu_preempt22:50:291
8704994333,3cyclictest9-21ksoftirqd/020:00:200
139391430,0ptp4l401ktimersoftd/323:54:013
139391430,0ptp4l401ktimersoftd/322:35:003
139391430,0ptp4l401ktimersoftd/322:25:213
139391430,0ptp4l401ktimersoftd/322:09:113
139391430,0ptp4l401ktimersoftd/322:09:113
8704994230,3cyclictest9-21ksoftirqd/019:20:200
139391420,0ptp4l401ktimersoftd/321:20:533
139391420,0ptp4l401ktimersoftd/320:21:043
139391420,0ptp4l401ktimersoftd/319:25:173
139391420,0ptp4l401ktimersoftd/300:20:283
870599414,2cyclictest121rcu_preempt19:35:141
870599413,10cyclictest25-21ksoftirqd/119:30:151
870599410,6cyclictest25-21ksoftirqd/119:20:131
8704994136,2cyclictest9-21ksoftirqd/022:00:000
8704994126,3cyclictest9-21ksoftirqd/023:25:150
139391410,0ptp4l401ktimersoftd/300:38:533
8707993932,5cyclictest41-21ksoftirqd/319:55:003
870799390,1cyclictest0-21swapper/300:03:413
8706993933,3cyclictest33-21ksoftirqd/222:25:012
870599390,6cyclictest25-21ksoftirqd/100:00:161
870599390,2cyclictest121rcu_preempt00:20:231
8706993833,3cyclictest33-21ksoftirqd/222:54:592
8707993731,4cyclictest41-21ksoftirqd/322:00:123
8707993731,4cyclictest41-21ksoftirqd/320:08:313
8707993731,3cyclictest9113-21irqrtprio23:40:183
8706993731,3cyclictest33-21ksoftirqd/223:15:202
8706993731,3cyclictest33-21ksoftirqd/220:15:172
8706993730,4cyclictest33-21ksoftirqd/222:00:152
8706993730,4cyclictest33-21ksoftirqd/221:20:112
8706993729,6cyclictest33-21ksoftirqd/221:05:202
139391370,0ptp4l401ktimersoftd/323:30:243
8707993631,3cyclictest41-21ksoftirqd/300:15:003
8707993630,4cyclictest41-21ksoftirqd/322:14:593
8707993630,4cyclictest41-21ksoftirqd/321:48:243
8707993630,4cyclictest41-21ksoftirqd/319:14:283
8707993630,3cyclictest41-21ksoftirqd/323:00:103
8706993631,3cyclictest33-21ksoftirqd/200:15:172
8706993630,4cyclictest33-21ksoftirqd/219:20:562
8706993624,9cyclictest33-21ksoftirqd/223:13:412
8707993529,4cyclictest41-21ksoftirqd/323:37:163
8707993529,4cyclictest41-21ksoftirqd/320:03:063
8707993529,3cyclictest41-21ksoftirqd/322:30:113
8707993529,3cyclictest41-21ksoftirqd/319:20:123
8707993528,5cyclictest41-21ksoftirqd/322:57:243
8707993528,4cyclictest41-21ksoftirqd/320:37:203
8707993528,4cyclictest41-21ksoftirqd/300:29:103
8706993531,2cyclictest33-21ksoftirqd/220:59:592
8706993529,4cyclictest33-21ksoftirqd/223:38:262
57898350,5rtkit-daemon0-21swapper/223:56:482
8707993428,4cyclictest41-21ksoftirqd/321:17:593
8707993428,4cyclictest41-21ksoftirqd/320:32:263
8707993428,3cyclictest41-21ksoftirqd/300:31:083
8707993427,5cyclictest41-21ksoftirqd/321:29:503
8707993427,4cyclictest41-21ksoftirqd/321:01:313
8707993427,4cyclictest41-21ksoftirqd/319:44:323
870799340,3cyclictest25339-21/usr/sbin/munin19:45:143
8706993429,3cyclictest33-21ksoftirqd/221:40:012
8706993429,3cyclictest33-21ksoftirqd/220:40:012
8706993429,3cyclictest33-21ksoftirqd/219:45:122
8706993429,2cyclictest33-21ksoftirqd/220:00:192
8706993428,4cyclictest33-21ksoftirqd/223:01:562
8706993428,4cyclictest33-21ksoftirqd/221:34:272
8706993428,4cyclictest33-21ksoftirqd/220:31:042
8706993428,4cyclictest33-21ksoftirqd/219:56:472
8706993428,4cyclictest33-21ksoftirqd/219:31:472
8706993426,5cyclictest33-21ksoftirqd/223:25:072
8707993327,4cyclictest41-21ksoftirqd/322:21:303
8707993326,4cyclictest41-21ksoftirqd/323:46:023
8707993326,4cyclictest41-21ksoftirqd/323:46:023
870799330,2cyclictest121rcu_preempt21:55:563
8706993328,3cyclictest33-21ksoftirqd/219:50:192
8706993328,3cyclictest33-21ksoftirqd/200:10:212
8706993327,4cyclictest33-21ksoftirqd/223:47:452
8706993327,4cyclictest33-21ksoftirqd/223:47:452
8706993327,4cyclictest33-21ksoftirqd/220:26:472
8706993327,4cyclictest33-21ksoftirqd/220:13:482
8706993327,4cyclictest33-21ksoftirqd/200:01:582
8706993320,10cyclictest33-21ksoftirqd/219:40:272
8707993227,3cyclictest41-21ksoftirqd/322:46:173
8707993226,4cyclictest41-21ksoftirqd/323:20:383
8707993226,4cyclictest41-21ksoftirqd/323:08:513
8707993226,4cyclictest41-21ksoftirqd/321:31:503
8707993226,4cyclictest41-21ksoftirqd/300:16:103
870799320,5cyclictest207-21systemd-journal19:35:013
8706993229,2cyclictest33-21ksoftirqd/222:34:592
8706993227,3cyclictest6318-21kworker/2:122:05:242
8706993227,3cyclictest6318-21kworker/2:122:05:242
8706993227,3cyclictest33-21ksoftirqd/222:55:122
8706993227,3cyclictest33-21ksoftirqd/221:45:542
8706993226,4cyclictest33-21ksoftirqd/200:20:512
8706993226,3cyclictest33-21ksoftirqd/220:40:192
8706993225,4cyclictest33-21ksoftirqd/222:48:572
8707993126,3cyclictest41-21ksoftirqd/323:16:343
8707993126,3cyclictest41-21ksoftirqd/321:05:103
8707993125,4cyclictest41-21ksoftirqd/322:41:593
8707993125,4cyclictest41-21ksoftirqd/320:51:003
8707993125,4cyclictest41-21ksoftirqd/320:13:253
8707993125,4cyclictest41-21ksoftirqd/319:36:303
8707993114,14cyclictest20534-21/usr/sbin/munin21:50:153
8706993126,3cyclictest33-21ksoftirqd/223:50:102
8706993126,3cyclictest33-21ksoftirqd/223:10:002
8706993126,3cyclictest33-21ksoftirqd/221:25:202
8706993126,3cyclictest33-21ksoftirqd/220:50:212
8706993126,3cyclictest33-21ksoftirqd/200:35:132
8706993126,2cyclictest33-21ksoftirqd/219:15:002
8706993125,4cyclictest33-21ksoftirqd/219:18:362
8706993125,4cyclictest33-21ksoftirqd/200:33:422
8706993125,4cyclictest33-21ksoftirqd/200:25:042
8706993119,10cyclictest33-21ksoftirqd/222:40:252
8707993024,4cyclictest41-21ksoftirqd/322:16:353
8707993024,4cyclictest41-21ksoftirqd/319:56:483
8706993026,3cyclictest33-21ksoftirqd/223:20:202
8706993026,3cyclictest33-21ksoftirqd/221:10:182
8706993025,3cyclictest33-21ksoftirqd/220:10:012
8706993025,3cyclictest33-21ksoftirqd/219:40:002
8706993024,4cyclictest33-21ksoftirqd/223:43:242
8706993023,4cyclictest33-21ksoftirqd/221:40:122
57898300,4rtkit-daemon0-21swapper/223:32:042
870799297,19cyclictest20323-21cat00:05:173
8707992924,3cyclictest41-21ksoftirqd/319:16:033
870799290,3cyclictest3773-21latency_hist21:15:013
8706992924,3cyclictest33-21ksoftirqd/222:15:432
8706992924,3cyclictest33-21ksoftirqd/221:15:062
8706992924,3cyclictest33-21ksoftirqd/219:30:012
8706992924,3cyclictest33-21ksoftirqd/200:06:462
8706992918,9cyclictest33-21ksoftirqd/220:45:132
870799285,20cyclictest28099-21cat23:10:253
8707992823,3cyclictest41-21ksoftirqd/320:44:343
8707992810,15cyclictest26601-21apt-config20:55:003
8706992824,2cyclictest33-21ksoftirqd/221:55:122
8706992823,2cyclictest33-21ksoftirqd/221:00:192
870799270,2cyclictest13429-21apt-get21:35:133
8706992722,3cyclictest33-21ksoftirqd/222:40:002
8706992722,3cyclictest33-21ksoftirqd/220:20:232
8706992520,3cyclictest33-21ksoftirqd/222:25:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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