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2026-08-17 - 15:14
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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 Mon Aug 17, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131152234169,22sleep10-21swapper/119:05:391
139491207173,23phc2sys0-21swapper/319:06:183
132722205171,23sleep20-21swapper/219:07:402
131142203169,23sleep00-21swapper/019:05:370
13747996229,4cyclictest41-21ksoftirqd/321:50:253
13747996128,7cyclictest41-21ksoftirqd/300:05:213
13747996126,7cyclictest41-21ksoftirqd/322:15:283
13747996126,4cyclictest41-21ksoftirqd/321:20:263
13747996027,7cyclictest41-21ksoftirqd/321:25:203
13747996027,7cyclictest41-21ksoftirqd/300:35:293
13747996027,6cyclictest41-21ksoftirqd/320:10:223
13747996020,7cyclictest41-21ksoftirqd/319:10:283
13747995929,10cyclictest41-21ksoftirqd/300:10:133
13747995927,4cyclictest41-21ksoftirqd/321:15:123
13745995926,5cyclictest25-21ksoftirqd/100:05:011
179512580,6sleep31374799cyclictest20:25:193
13747995828,9cyclictest41-21ksoftirqd/323:35:263
13747995828,4cyclictest41-21ksoftirqd/320:55:003
13747995826,4cyclictest41-21ksoftirqd/319:55:003
13747995826,11cyclictest41-21ksoftirqd/321:35:273
13745995819,8cyclictest25-21ksoftirqd/120:10:001
13747995726,9cyclictest41-21ksoftirqd/319:35:183
13747995717,7cyclictest41-21ksoftirqd/320:15:183
13747995625,4cyclictest41-21ksoftirqd/320:35:203
13747995624,3cyclictest41-21ksoftirqd/323:55:293
13747995623,4cyclictest41-21ksoftirqd/322:55:213
13747995623,4cyclictest41-21ksoftirqd/322:55:213
13745995622,4cyclictest25-21ksoftirqd/122:00:001
13745995622,4cyclictest25-21ksoftirqd/122:00:001
1374799556,10cyclictest41-21ksoftirqd/321:05:193
1374799555,8cyclictest41-21ksoftirqd/320:45:243
13747995528,10cyclictest41-21ksoftirqd/320:20:193
1374799546,9cyclictest41-21ksoftirqd/323:45:173
1374799546,9cyclictest41-21ksoftirqd/321:55:153
1374799546,9cyclictest41-21ksoftirqd/321:55:153
1374799545,9cyclictest41-21ksoftirqd/319:30:243
1374799545,8cyclictest41-21ksoftirqd/320:00:003
13747995426,4cyclictest41-21ksoftirqd/320:30:243
13747995424,3cyclictest41-21ksoftirqd/323:50:193
13747995422,9cyclictest41-21ksoftirqd/321:30:253
1374799536,8cyclictest41-21ksoftirqd/300:20:183
1374799535,9cyclictest41-21ksoftirqd/319:20:283
1374799535,8cyclictest41-21ksoftirqd/323:40:273
1374799535,8cyclictest41-21ksoftirqd/319:45:153
1374799533,6cyclictest41-21ksoftirqd/323:05:203
13746995333,18cyclictest33-21ksoftirqd/220:50:012
45992520,2sleep00-21swapper/023:20:150
1374799526,9cyclictest41-21ksoftirqd/322:15:003
1374799525,9cyclictest41-21ksoftirqd/320:05:233
13747995213,4cyclictest41-21ksoftirqd/323:30:173
1374799515,9cyclictest41-21ksoftirqd/319:25:283
1374799515,8cyclictest41-21ksoftirqd/322:05:153
1374799515,10cyclictest41-21ksoftirqd/323:10:293
13747995124,10cyclictest41-21ksoftirqd/319:55:143
1374799510,13cyclictest41-21ksoftirqd/321:40:113
13745995119,9cyclictest25-21ksoftirqd/120:30:001
1374799506,7cyclictest41-21ksoftirqd/322:30:163
1374799505,10cyclictest41-21ksoftirqd/323:15:233
1374799504,9cyclictest41-21ksoftirqd/320:40:203
13745995017,10cyclictest25-21ksoftirqd/119:40:191
13745995015,8cyclictest25-21ksoftirqd/123:20:201
1374799491,6cyclictest41-21ksoftirqd/322:35:163
13747994912,7cyclictest41-21ksoftirqd/300:29:013
13747994912,7cyclictest41-21ksoftirqd/300:29:013
13745994924,5cyclictest25-21ksoftirqd/123:25:171
1374799486,9cyclictest41-21ksoftirqd/321:10:183
1374799482,6cyclictest41-21ksoftirqd/322:40:263
1374799481,11cyclictest41-21ksoftirqd/320:55:163
13745994836,2cyclictest25-21ksoftirqd/123:05:271
1374799476,7cyclictest41-21ksoftirqd/322:50:143
1374799475,6cyclictest41-21ksoftirqd/323:20:153
1374799475,10cyclictest41-21ksoftirqd/300:30:243
1374799474,10cyclictest41-21ksoftirqd/319:45:003
13745994715,11cyclictest25-21ksoftirqd/120:20:271
1374799466,9cyclictest41-21ksoftirqd/321:45:243
1374799463,6cyclictest41-21ksoftirqd/322:45:143
1374799462,6cyclictest41-21ksoftirqd/322:25:283
1374799462,6cyclictest41-21ksoftirqd/322:25:283
1374799462,6cyclictest41-21ksoftirqd/300:15:193
13747994618,3cyclictest41-21ksoftirqd/322:20:123
1374599469,8cyclictest25-21ksoftirqd/123:00:271
13745994618,8cyclictest25-21ksoftirqd/119:35:221
13745994617,7cyclictest25-21ksoftirqd/121:20:141
13745994616,4cyclictest25-21ksoftirqd/120:45:281
13745994612,5cyclictest25-21ksoftirqd/121:15:001
13745994611,4cyclictest25-21ksoftirqd/119:30:231
13745994611,4cyclictest25-21ksoftirqd/100:10:171
1374799453,6cyclictest41-21ksoftirqd/319:15:133
1374799452,6cyclictest41-21ksoftirqd/322:00:143
13745994514,8cyclictest25-21ksoftirqd/119:15:021
13745994514,4cyclictest25-21ksoftirqd/119:45:261
13745994510,4cyclictest25-21ksoftirqd/121:45:201
13745994510,4cyclictest25-21ksoftirqd/119:25:211
1374799445,6cyclictest41-21ksoftirqd/323:00:273
1374599448,4cyclictest25-21ksoftirqd/122:00:171
1374599448,4cyclictest25-21ksoftirqd/100:15:261
1374599447,10cyclictest25-21ksoftirqd/100:30:291
1374599445,7cyclictest25-21ksoftirqd/119:55:261
1374599443,3cyclictest121rcu_preempt22:50:261
13745994416,7cyclictest25-21ksoftirqd/123:35:281
13745994413,3cyclictest25-21ksoftirqd/119:55:011
13745994410,4cyclictest25-21ksoftirqd/120:29:401
13745994410,4cyclictest25-21ksoftirqd/100:20:171
13744994412,4cyclictest9-21ksoftirqd/019:20:200
1374799434,9cyclictest41-21ksoftirqd/321:00:153
1374599439,4cyclictest25-21ksoftirqd/122:35:181
1374599438,4cyclictest25-21ksoftirqd/120:10:221
1374599437,8cyclictest25-21ksoftirqd/123:55:251
1374599437,8cyclictest25-21ksoftirqd/123:15:151
1374599436,7cyclictest25-21ksoftirqd/100:35:251
1374599431,9cyclictest25-21ksoftirqd/122:25:251
1374599431,9cyclictest25-21ksoftirqd/122:25:251
13745994315,7cyclictest25-21ksoftirqd/121:05:151
13745994312,7cyclictest25-21ksoftirqd/123:40:261
13745994310,9cyclictest25-21ksoftirqd/100:05:301
1374799425,4cyclictest41-21ksoftirqd/300:00:053
1374599429,4cyclictest25-21ksoftirqd/122:10:151
1374599427,7cyclictest25-21ksoftirqd/100:25:181
1374599427,7cyclictest25-21ksoftirqd/100:25:181
1374599426,4cyclictest25-21ksoftirqd/123:45:121
13745994237,3cyclictest25-21ksoftirqd/120:20:011
13745994237,2cyclictest25-21ksoftirqd/120:45:001
13745994216,4cyclictest25-21ksoftirqd/120:05:001
13745994214,10cyclictest25-21ksoftirqd/121:30:201
1374499423,2cyclictest121rcu_preempt20:35:220
13744994213,4cyclictest9-21ksoftirqd/021:15:140
1374599418,3cyclictest25-21ksoftirqd/121:35:241
1374599416,8cyclictest25-21ksoftirqd/121:50:141
1374599416,8cyclictest25-21ksoftirqd/121:25:261
1374599415,8cyclictest25-21ksoftirqd/123:10:151
13745994135,3cyclictest25-21ksoftirqd/119:20:211
13745994114,7cyclictest25-21ksoftirqd/121:00:181
13745994114,3cyclictest25-21ksoftirqd/122:55:191
13745994114,3cyclictest25-21ksoftirqd/122:55:191
1374599411,3cyclictest121rcu_preempt21:15:141
13745994111,7cyclictest25-21ksoftirqd/120:35:181
13745994111,4cyclictest25-21ksoftirqd/122:34:541
13744994136,3cyclictest9-21ksoftirqd/022:20:000
1374599408,7cyclictest25-21ksoftirqd/122:40:151
13745994035,3cyclictest25-21ksoftirqd/123:35:011
13745994034,3cyclictest25-21ksoftirqd/122:49:591
13745994010,4cyclictest25-21ksoftirqd/123:52:361
1374799392,6cyclictest41-21ksoftirqd/323:25:213
1374599398,6cyclictest25-21ksoftirqd/122:20:201
1374599395,8cyclictest25-21ksoftirqd/120:55:171
13745993919,9cyclictest25-21ksoftirqd/122:05:011
13745993912,4cyclictest25-21ksoftirqd/122:18:171
13744993934,3cyclictest9-21ksoftirqd/023:05:000
1374599388,6cyclictest25-21ksoftirqd/121:40:211
1374499384,3cyclictest121rcu_preempt20:00:210
13744993834,2cyclictest9-21ksoftirqd/020:50:010
13744993833,2cyclictest9-21ksoftirqd/021:40:010
13746993732,3cyclictest33-21ksoftirqd/219:10:142
13746993731,4cyclictest33-21ksoftirqd/222:13:212
13746993731,4cyclictest33-21ksoftirqd/220:10:102
1374599370,12cyclictest25-21ksoftirqd/119:15:221
13744993733,2cyclictest9-21ksoftirqd/022:40:010
13744993732,3cyclictest9-21ksoftirqd/021:50:000
1374499371,5cyclictest121rcu_preempt00:05:270
57898360,4rtkit-daemon548-21systemd-logind22:24:130
13746993630,4cyclictest33-21ksoftirqd/220:25:062
13746993630,4cyclictest33-21ksoftirqd/200:36:462
13745993631,2cyclictest25-21ksoftirqd/120:50:131
13744993631,3cyclictest9-21ksoftirqd/023:10:200
13744993631,3cyclictest9-21ksoftirqd/022:10:010
13744993631,3cyclictest9-21ksoftirqd/022:05:000
13744993631,3cyclictest9-21ksoftirqd/020:20:150
13744993631,3cyclictest9-21ksoftirqd/020:00:000
13744993631,3cyclictest9-21ksoftirqd/019:50:190
13744993631,3cyclictest9-21ksoftirqd/019:15:200
13744993630,3cyclictest9-21ksoftirqd/023:30:000
13746993530,3cyclictest33-21ksoftirqd/220:58:122
13746993529,4cyclictest33-21ksoftirqd/222:44:512
13746993529,4cyclictest33-21ksoftirqd/221:35:592
13744993532,2cyclictest9-21ksoftirqd/021:25:220
13744993531,3cyclictest9-21ksoftirqd/020:50:190
13744993531,2cyclictest9-21ksoftirqd/000:05:000
13744993530,3cyclictest9-21ksoftirqd/023:40:260
13744993530,3cyclictest9-21ksoftirqd/023:35:200
13744993530,3cyclictest9-21ksoftirqd/022:45:200
13744993530,3cyclictest9-21ksoftirqd/022:45:000
13744993530,3cyclictest9-21ksoftirqd/021:45:000
13744993530,3cyclictest9-21ksoftirqd/021:20:270
13744993530,3cyclictest9-21ksoftirqd/021:00:000
13744993530,3cyclictest9-21ksoftirqd/020:10:000
13744993530,3cyclictest9-21ksoftirqd/000:15:200
13744993529,3cyclictest9-21ksoftirqd/021:35:010
1374499351,2cyclictest121rcu_preempt23:15:150
57898340,10rtkit-daemon0-21swapper/220:53:342
13746993429,3cyclictest33-21ksoftirqd/222:36:282
13746993429,3cyclictest33-21ksoftirqd/200:20:132
13746993428,4cyclictest33-21ksoftirqd/222:59:032
13746993428,4cyclictest33-21ksoftirqd/222:59:032
13746993428,4cyclictest33-21ksoftirqd/222:46:472
13746993428,4cyclictest33-21ksoftirqd/219:18:552
13744993431,2cyclictest9-21ksoftirqd/000:15:000
13744993429,3cyclictest9-21ksoftirqd/023:00:010
13744993429,3cyclictest9-21ksoftirqd/023:00:010
13744993429,3cyclictest9-21ksoftirqd/022:25:220
13744993429,3cyclictest9-21ksoftirqd/022:25:220
13744993429,3cyclictest9-21ksoftirqd/021:05:190
13744993429,3cyclictest9-21ksoftirqd/019:40:000
13744993429,3cyclictest9-21ksoftirqd/019:15:000
13744993429,3cyclictest19428-21ls20:30:000
13744993427,4cyclictest9-21ksoftirqd/021:00:100
1374499342,4cyclictest9-21ksoftirqd/019:45:210
13744993422,3cyclictest9-21ksoftirqd/021:55:000
1374499341,2cyclictest121rcu_preempt19:40:140
13746993328,3cyclictest33-21ksoftirqd/223:05:092
13746993327,4cyclictest33-21ksoftirqd/223:51:542
13746993327,4cyclictest33-21ksoftirqd/223:43:242
13746993327,4cyclictest33-21ksoftirqd/223:23:102
13746993327,4cyclictest33-21ksoftirqd/223:04:562
13746993327,4cyclictest33-21ksoftirqd/222:54:502
13746993327,4cyclictest33-21ksoftirqd/222:27:502
13746993327,4cyclictest33-21ksoftirqd/222:27:492
13746993327,4cyclictest33-21ksoftirqd/222:23:002
13746993327,4cyclictest33-21ksoftirqd/222:16:262
13746993327,4cyclictest33-21ksoftirqd/221:30:052
13746993327,4cyclictest33-21ksoftirqd/220:37:292
13744993329,3cyclictest9-21ksoftirqd/019:30:190
13744993329,2cyclictest9-21ksoftirqd/023:50:200
13744993328,3cyclictest9-21ksoftirqd/023:45:170
13744993328,3cyclictest9-21ksoftirqd/021:55:180
13744993328,3cyclictest9-21ksoftirqd/021:55:180
13744993328,3cyclictest9-21ksoftirqd/020:40:120
13744993328,3cyclictest9-21ksoftirqd/000:35:200
13744993327,4cyclictest9-21ksoftirqd/022:53:550
13744993327,3cyclictest9-21ksoftirqd/000:20:190
1374499330,2cyclictest121rcu_preempt22:10:260
1374499330,2cyclictest121rcu_preempt20:15:000
13746993228,2cyclictest33-21ksoftirqd/221:05:002
13746993227,3cyclictest33-21ksoftirqd/219:31:352
13746993226,4cyclictest33-21ksoftirqd/223:57:312
13746993226,4cyclictest33-21ksoftirqd/223:31:162
13746993226,4cyclictest33-21ksoftirqd/221:21:462
13746993226,4cyclictest33-21ksoftirqd/220:43:352
13746993226,4cyclictest33-21ksoftirqd/200:25:482
13746993226,4cyclictest33-21ksoftirqd/200:25:482
13744993227,3cyclictest9-21ksoftirqd/023:30:130
13744993227,3cyclictest9-21ksoftirqd/021:15:010
13744993226,3cyclictest9-21ksoftirqd/019:27:140
13744993218,3cyclictest9-21ksoftirqd/023:05:000
13746993126,3cyclictest33-21ksoftirqd/219:50:002
13746993126,3cyclictest33-21ksoftirqd/200:11:062
13746993125,4cyclictest33-21ksoftirqd/220:09:012
13746993125,4cyclictest33-21ksoftirqd/219:43:262
13746993125,3cyclictest33-21ksoftirqd/219:50:192
13744993127,2cyclictest9-21ksoftirqd/020:35:000
13744993126,3cyclictest9-21ksoftirqd/023:55:200
13744993126,3cyclictest9-21ksoftirqd/022:31:410
13744993126,3cyclictest9-21ksoftirqd/020:20:010
13744993121,4cyclictest9-21ksoftirqd/000:25:170
13744993121,4cyclictest9-21ksoftirqd/000:25:170
13746993027,2cyclictest33-21ksoftirqd/223:35:162
13746993026,3cyclictest33-21ksoftirqd/200:20:002
13746993025,3cyclictest33-21ksoftirqd/223:27:422
13746993025,3cyclictest33-21ksoftirqd/223:11:092
13746993025,3cyclictest33-21ksoftirqd/221:54:522
13746993025,2cyclictest33-21ksoftirqd/200:05:212
13746993024,4cyclictest33-21ksoftirqd/222:04:432
13746993020,8cyclictest33-21ksoftirqd/219:20:262
13746993018,9cyclictest33-21ksoftirqd/220:30:142
13744993026,3cyclictest9-21ksoftirqd/000:30:000
13746992924,3cyclictest33-21ksoftirqd/221:46:562
13746992924,3cyclictest33-21ksoftirqd/221:40:182
13746992924,3cyclictest33-21ksoftirqd/221:06:042
13746992924,3cyclictest33-21ksoftirqd/219:35:082
13746992923,4cyclictest33-21ksoftirqd/221:25:442
13746992923,4cyclictest33-21ksoftirqd/221:11:152
13746992922,5cyclictest33-21ksoftirqd/221:59:572
13746992922,5cyclictest33-21ksoftirqd/221:59:572
13746992823,3cyclictest33-21ksoftirqd/223:49:272
13746992823,3cyclictest33-21ksoftirqd/222:34:212
13746992823,3cyclictest33-21ksoftirqd/220:22:572
13746992823,3cyclictest33-21ksoftirqd/220:19:372
13746992822,4cyclictest33-21ksoftirqd/220:01:552
13746992722,3cyclictest33-21ksoftirqd/223:16:492
13746992722,3cyclictest33-21ksoftirqd/222:05:482
13746992722,3cyclictest33-21ksoftirqd/200:33:172
13746992621,3cyclictest33-21ksoftirqd/221:16:052
13746992621,3cyclictest33-21ksoftirqd/219:25:162
13746992521,2cyclictest33-21ksoftirqd/200:05:012
13746992520,3cyclictest33-21ksoftirqd/220:00:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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