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2026-07-30 - 09:46
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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 Jul 30, 2026 00:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591237169,22phc2sys0-21swapper/319:08:483
172562206172,23sleep20-21swapper/219:05:392
175122205172,22sleep10-21swapper/119:08:591
172542202168,22sleep00-21swapper/019:05:370
139291630,1ptp4l401ktimersoftd/319:11:173
17882996232,4cyclictest9-21ksoftirqd/022:30:270
17882996030,5cyclictest9-21ksoftirqd/023:20:230
17882996030,3cyclictest9-21ksoftirqd/022:35:180
17882996029,4cyclictest9-21ksoftirqd/000:00:180
17882996029,4cyclictest9-21ksoftirqd/000:00:170
17882996026,5cyclictest9-21ksoftirqd/021:35:000
17882996025,4cyclictest9-21ksoftirqd/021:25:120
17882996023,6cyclictest9-21ksoftirqd/023:30:120
17882995920,7cyclictest9-21ksoftirqd/022:10:130
17882995920,6cyclictest9-21ksoftirqd/019:45:260
17882995919,6cyclictest9-21ksoftirqd/020:40:170
231762580,4sleep341-21ksoftirqd/319:20:173
17882995829,7cyclictest9-21ksoftirqd/000:30:150
17882995827,6cyclictest9-21ksoftirqd/020:20:310
17882995823,3cyclictest9-21ksoftirqd/000:20:260
17882995820,6cyclictest9-21ksoftirqd/000:35:260
17882995817,7cyclictest9-21ksoftirqd/020:30:220
139291580,1ptp4l401ktimersoftd/320:56:543
17882995725,5cyclictest9-21ksoftirqd/021:40:000
17882995723,6cyclictest9-21ksoftirqd/023:15:120
17882995723,2cyclictest121rcu_preempt22:50:390
17882995715,7cyclictest9-21ksoftirqd/023:40:170
17882995628,6cyclictest9-21ksoftirqd/022:45:010
17882995626,3cyclictest9-21ksoftirqd/022:28:150
17882995625,4cyclictest9-21ksoftirqd/022:55:220
17882995624,6cyclictest9-21ksoftirqd/022:00:000
17882995620,6cyclictest9-21ksoftirqd/019:50:150
17882995620,5cyclictest9-21ksoftirqd/023:00:240
17882995619,6cyclictest9-21ksoftirqd/023:05:190
17882995619,6cyclictest9-21ksoftirqd/000:25:210
17882995618,5cyclictest9-21ksoftirqd/023:35:200
17882995616,7cyclictest9-21ksoftirqd/020:10:230
17882995616,6cyclictest9-21ksoftirqd/021:20:160
139291560,0ptp4l401ktimersoftd/321:35:193
17882995528,7cyclictest9-21ksoftirqd/019:35:160
17882995526,5cyclictest9-21ksoftirqd/022:48:540
17882995525,7cyclictest9-21ksoftirqd/020:05:210
17882995525,4cyclictest9-21ksoftirqd/023:55:560
17882995521,4cyclictest9-21ksoftirqd/019:25:220
17882995519,4cyclictest9-21ksoftirqd/020:05:000
17882995518,6cyclictest9-21ksoftirqd/023:10:280
17882995518,6cyclictest9-21ksoftirqd/019:30:160
17882995518,6cyclictest9-21ksoftirqd/019:10:170
17882995518,6cyclictest9-21ksoftirqd/000:10:170
17882995516,7cyclictest9-21ksoftirqd/019:55:240
17882995516,6cyclictest9-21ksoftirqd/022:15:220
17882995516,6cyclictest9-21ksoftirqd/021:15:260
1788299547,7cyclictest9-21ksoftirqd/023:25:150
17882995426,5cyclictest9-21ksoftirqd/019:15:030
17882995426,3cyclictest9-21ksoftirqd/021:05:250
17882995425,4cyclictest9-21ksoftirqd/020:25:230
17882995424,3cyclictest9-21ksoftirqd/019:20:080
17882995417,6cyclictest9-21ksoftirqd/021:40:120
17882995417,6cyclictest9-21ksoftirqd/021:40:120
17882995417,5cyclictest9-21ksoftirqd/021:10:170
17882995415,6cyclictest9-21ksoftirqd/000:05:270
1788299536,3cyclictest9-21ksoftirqd/020:15:230
17882995323,4cyclictest9-21ksoftirqd/019:40:250
17882995318,5cyclictest9-21ksoftirqd/021:50:210
17882995314,6cyclictest9-21ksoftirqd/020:55:210
1788299525,3cyclictest9-21ksoftirqd/021:45:260
1788299525,3cyclictest9-21ksoftirqd/021:45:260
1788299525,2cyclictest9-21ksoftirqd/022:05:250
17882995210,7cyclictest9-21ksoftirqd/020:45:140
17882995123,7cyclictest9-21ksoftirqd/020:50:230
17882995120,5cyclictest9-21ksoftirqd/023:55:000
1788299504,3cyclictest9-21ksoftirqd/021:00:220
1788299504,3cyclictest9-21ksoftirqd/021:00:220
1788299503,9cyclictest9-21ksoftirqd/022:00:130
17882995021,8cyclictest9-21ksoftirqd/020:35:150
17882994937,4cyclictest9-21ksoftirqd/000:20:000
17882994915,5cyclictest9-21ksoftirqd/023:45:130
17882994642,2cyclictest111rcuc/022:20:000
139291440,0ptp4l401ktimersoftd/322:20:023
139291440,0ptp4l401ktimersoftd/321:21:133
139291440,0ptp4l401ktimersoftd/319:40:193
17885994337,4cyclictest41-21ksoftirqd/300:00:003
139291430,1ptp4l401ktimersoftd/320:20:103
139291430,0ptp4l401ktimersoftd/323:38:163
139291430,0ptp4l401ktimersoftd/323:20:163
139291430,0ptp4l401ktimersoftd/322:08:343
139291420,0ptp4l401ktimersoftd/323:42:023
139291420,0ptp4l401ktimersoftd/322:51:073
139291410,0ptp4l401ktimersoftd/320:05:273
135191400,1getstats0-21swapper/320:38:533
17885993833,3cyclictest41-21ksoftirqd/323:31:203
17885993832,4cyclictest41-21ksoftirqd/300:31:593
17884993831,5cyclictest33-21ksoftirqd/221:06:102
1322323831,3sleep125-21ksoftirqd/122:20:241
17885993731,4cyclictest41-21ksoftirqd/323:49:403
17885993731,4cyclictest41-21ksoftirqd/300:27:193
17884993731,4cyclictest33-21ksoftirqd/223:09:472
17884993731,4cyclictest33-21ksoftirqd/222:46:202
17884993731,4cyclictest33-21ksoftirqd/221:01:092
17884993731,4cyclictest33-21ksoftirqd/221:01:092
17884993731,4cyclictest33-21ksoftirqd/220:03:212
17883993731,4cyclictest25-21ksoftirqd/122:01:421
17885993631,3cyclictest41-21ksoftirqd/321:35:003
17885993631,3cyclictest41-21ksoftirqd/320:54:553
17885993631,3cyclictest41-21ksoftirqd/320:18:353
17885993630,4cyclictest41-21ksoftirqd/321:45:133
17885993630,4cyclictest41-21ksoftirqd/321:45:133
17885993630,4cyclictest41-21ksoftirqd/320:43:573
17885993630,4cyclictest41-21ksoftirqd/320:04:213
17885993630,4cyclictest41-21ksoftirqd/319:33:283
17884993630,4cyclictest33-21ksoftirqd/223:50:392
17884993630,4cyclictest33-21ksoftirqd/223:13:042
17884993630,4cyclictest33-21ksoftirqd/222:30:072
17884993630,4cyclictest33-21ksoftirqd/220:14:072
17884993630,4cyclictest33-21ksoftirqd/219:56:262
17884993630,4cyclictest33-21ksoftirqd/200:18:582
17884993630,3cyclictest33-21ksoftirqd/222:20:122
17883993631,3cyclictest25-21ksoftirqd/122:05:171
17883993631,3cyclictest25-21ksoftirqd/120:48:161
17883993630,4cyclictest25-21ksoftirqd/123:05:371
17883993630,4cyclictest25-21ksoftirqd/122:37:041
17883993630,4cyclictest25-21ksoftirqd/100:09:511
1395913631,2phc2sys41-21ksoftirqd/323:00:213
139291360,16ptp4l0-21swapper/319:55:243
17885993529,4cyclictest41-21ksoftirqd/322:11:143
17885993529,4cyclictest41-21ksoftirqd/321:55:463
17885993529,4cyclictest41-21ksoftirqd/321:54:423
17884993531,3cyclictest33-21ksoftirqd/219:50:242
17884993529,4cyclictest33-21ksoftirqd/223:01:042
17884993529,4cyclictest33-21ksoftirqd/221:38:522
17884993529,4cyclictest33-21ksoftirqd/220:25:002
17884993529,4cyclictest33-21ksoftirqd/200:29:302
17883993530,3cyclictest25-21ksoftirqd/120:22:571
17883993529,4cyclictest25-21ksoftirqd/123:03:001
17883993529,4cyclictest25-21ksoftirqd/121:33:491
17883993529,4cyclictest25-21ksoftirqd/120:43:471
17883993529,4cyclictest25-21ksoftirqd/120:32:111
17883993529,4cyclictest25-21ksoftirqd/119:25:361
17883993529,3cyclictest25-21ksoftirqd/120:05:191
17885993429,3cyclictest41-21ksoftirqd/319:52:583
17885993429,3cyclictest41-21ksoftirqd/319:17:493
17885993429,3cyclictest41-21ksoftirqd/300:35:133
17885993428,4cyclictest41-21ksoftirqd/323:05:063
17885993428,4cyclictest41-21ksoftirqd/322:29:043
17885993428,4cyclictest41-21ksoftirqd/321:09:123
17885993428,4cyclictest41-21ksoftirqd/321:02:423
17885993428,4cyclictest41-21ksoftirqd/321:02:423
17885993428,4cyclictest41-21ksoftirqd/319:38:133
17885993428,4cyclictest41-21ksoftirqd/300:14:353
17885993428,4cyclictest41-21ksoftirqd/300:03:163
17885993428,4cyclictest41-21ksoftirqd/300:03:153
17885993428,3cyclictest139291ptp4l00:05:193
17884993430,3cyclictest33-21ksoftirqd/221:41:242
17884993430,3cyclictest33-21ksoftirqd/221:41:242
17884993429,3cyclictest33-21ksoftirqd/220:54:272
17884993429,3cyclictest33-21ksoftirqd/220:46:162
17884993429,3cyclictest33-21ksoftirqd/200:34:142
17884993429,3cyclictest33-21ksoftirqd/200:06:202
17884993428,4cyclictest33-21ksoftirqd/222:37:332
17884993428,4cyclictest33-21ksoftirqd/221:16:542
17884993428,4cyclictest33-21ksoftirqd/220:19:522
17884993428,4cyclictest33-21ksoftirqd/219:32:412
17884993428,4cyclictest33-21ksoftirqd/219:29:422
17884993428,3cyclictest33-21ksoftirqd/220:42:492
17883993429,3cyclictest25-21ksoftirqd/123:36:531
17883993428,4cyclictest25-21ksoftirqd/122:19:071
17883993428,4cyclictest25-21ksoftirqd/121:12:271
17883993428,4cyclictest25-21ksoftirqd/119:57:331
17883993428,4cyclictest25-21ksoftirqd/119:43:171
17885993328,3cyclictest41-21ksoftirqd/322:30:103
17885993328,3cyclictest41-21ksoftirqd/321:25:113
17885993328,3cyclictest41-21ksoftirqd/300:19:453
17885993327,4cyclictest41-21ksoftirqd/323:27:483
17885993327,4cyclictest41-21ksoftirqd/322:43:563
17885993327,4cyclictest41-21ksoftirqd/321:10:573
17884993329,3cyclictest33-21ksoftirqd/221:10:142
17884993328,3cyclictest33-21ksoftirqd/223:49:042
17884993328,3cyclictest33-21ksoftirqd/222:44:242
17884993327,4cyclictest33-21ksoftirqd/223:57:482
17884993327,4cyclictest33-21ksoftirqd/223:39:032
17884993327,4cyclictest33-21ksoftirqd/220:38:422
17884993327,4cyclictest33-21ksoftirqd/219:45:382
17884993327,4cyclictest33-21ksoftirqd/200:10:532
17884993323,9cyclictest33-21ksoftirqd/200:35:252
17883993328,3cyclictest25-21ksoftirqd/123:24:331
17883993328,3cyclictest25-21ksoftirqd/123:14:581
17883993328,3cyclictest25-21ksoftirqd/121:51:011
17883993328,3cyclictest25-21ksoftirqd/119:48:291
17883993328,3cyclictest25-21ksoftirqd/100:30:011
17883993327,4cyclictest25-21ksoftirqd/123:42:591
17883993327,4cyclictest25-21ksoftirqd/122:14:291
17883993327,4cyclictest25-21ksoftirqd/121:48:461
17883993327,4cyclictest25-21ksoftirqd/121:48:461
17883993327,4cyclictest25-21ksoftirqd/119:39:151
17883993327,4cyclictest25-21ksoftirqd/119:34:141
17883993327,4cyclictest25-21ksoftirqd/100:02:251
17883993327,4cyclictest25-21ksoftirqd/100:02:251
17883993327,3cyclictest25-21ksoftirqd/122:26:231
17883993327,3cyclictest25-21ksoftirqd/100:21:301
17883993326,4cyclictest25-21ksoftirqd/100:10:521
1788399330,2cyclictest41298rtkit-daemon22:42:131
139291330,0ptp4l401ktimersoftd/321:18:523
17885993227,3cyclictest41-21ksoftirqd/322:58:003
17885993226,4cyclictest41-21ksoftirqd/319:27:023
17884993227,3cyclictest33-21ksoftirqd/220:55:112
17884993226,4cyclictest33-21ksoftirqd/223:31:412
17884993226,4cyclictest33-21ksoftirqd/222:17:312
17884993226,4cyclictest33-21ksoftirqd/219:18:382
17884993226,3cyclictest33-21ksoftirqd/221:54:222
17884993225,5cyclictest33-21ksoftirqd/221:49:072
17884993225,5cyclictest33-21ksoftirqd/221:49:072
17884993212,19cyclictest0-21swapper/221:55:442
17883993227,3cyclictest25-21ksoftirqd/122:55:141
17883993227,3cyclictest25-21ksoftirqd/121:43:281
17883993227,3cyclictest25-21ksoftirqd/121:43:281
17883993227,3cyclictest25-21ksoftirqd/121:00:001
17883993226,4cyclictest25-21ksoftirqd/122:52:451
17883993226,4cyclictest25-21ksoftirqd/121:55:281
17883993226,3cyclictest25-21ksoftirqd/123:16:001
17885993127,2cyclictest41-21ksoftirqd/323:11:233
17885993126,3cyclictest41-21ksoftirqd/320:33:383
17885993126,3cyclictest41-21ksoftirqd/300:20:573
17885993125,4cyclictest41-21ksoftirqd/322:48:343
17885993125,4cyclictest41-21ksoftirqd/322:03:443
17884993126,3cyclictest33-21ksoftirqd/222:11:442
17884993126,3cyclictest33-21ksoftirqd/221:26:042
17884993126,3cyclictest33-21ksoftirqd/220:07:492
17884993126,3cyclictest33-21ksoftirqd/200:20:122
17884993126,3cyclictest33-21ksoftirqd/200:03:092
17884993126,3cyclictest33-21ksoftirqd/200:03:092
17884993125,4cyclictest33-21ksoftirqd/223:20:312
17884993125,4cyclictest33-21ksoftirqd/222:50:572
17884993125,4cyclictest33-21ksoftirqd/219:12:212
17883993126,3cyclictest25-21ksoftirqd/122:49:101
17883993126,3cyclictest25-21ksoftirqd/120:00:181
17883993126,3cyclictest25-21ksoftirqd/119:24:501
17883993126,3cyclictest25-21ksoftirqd/119:10:111
17883993125,4cyclictest25-21ksoftirqd/123:49:091
17883993125,4cyclictest25-21ksoftirqd/121:35:381
17883993125,4cyclictest25-21ksoftirqd/120:19:391
17883993125,4cyclictest25-21ksoftirqd/120:14:061
17883993125,4cyclictest25-21ksoftirqd/100:28:171
17883993124,4cyclictest15227-21kworker/1:019:15:001
1788399312,2cyclictest121rcu_preempt00:18:131
139291310,0ptp4l401ktimersoftd/323:15:193
139291310,0ptp4l401ktimersoftd/322:38:363
139291310,0ptp4l401ktimersoftd/321:40:243
139291310,0ptp4l401ktimersoftd/321:40:243
139291310,0ptp4l401ktimersoftd/320:46:553
17885993025,3cyclictest41-21ksoftirqd/322:19:593
17884993025,3cyclictest33-21ksoftirqd/221:32:222
17884993024,4cyclictest33-21ksoftirqd/221:23:432
17883993025,3cyclictest25-21ksoftirqd/120:51:401
17883993024,4cyclictest25-21ksoftirqd/120:36:571
17883993024,4cyclictest25-21ksoftirqd/100:35:101
139291300,0ptp4l401ktimersoftd/319:47:213
17885992924,3cyclictest41-21ksoftirqd/323:50:133
17885992923,4cyclictest41-21ksoftirqd/320:27:323
17884992924,3cyclictest33-21ksoftirqd/222:06:282
17884992924,3cyclictest33-21ksoftirqd/219:37:102
17884992923,4cyclictest33-21ksoftirqd/222:58:482
17884992923,4cyclictest33-21ksoftirqd/222:04:232
17883992925,3cyclictest25-21ksoftirqd/121:05:201
17883992924,3cyclictest25-21ksoftirqd/123:58:481
17883992924,3cyclictest25-21ksoftirqd/123:32:441
17883992924,3cyclictest25-21ksoftirqd/123:27:061
17883992924,3cyclictest25-21ksoftirqd/122:32:361
17883992924,3cyclictest25-21ksoftirqd/120:25:211
17883992924,3cyclictest25-21ksoftirqd/119:53:051
17884992823,3cyclictest33-21ksoftirqd/223:40:102
17884992823,3cyclictest33-21ksoftirqd/222:25:352
17884992823,3cyclictest33-21ksoftirqd/220:30:532
17884992823,3cyclictest33-21ksoftirqd/220:27:172
17884992823,3cyclictest33-21ksoftirqd/219:20:532
17885992721,4cyclictest41-21ksoftirqd/320:14:473
17884992721,4cyclictest33-21ksoftirqd/219:41:332
17884992620,4cyclictest33-21ksoftirqd/223:18:592
17883992622,3cyclictest25-21ksoftirqd/121:25:001
17883992419,3cyclictest25-21ksoftirqd/121:25:181
17884992318,3cyclictest33-21ksoftirqd/223:25:072
17883992318,3cyclictest25-21ksoftirqd/121:00:251
17883992318,3cyclictest25-21ksoftirqd/121:00:251
17883992217,3cyclictest25-21ksoftirqd/123:50:191
17883991813,3cyclictest25-21ksoftirqd/121:15:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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