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2026-06-10 - 04:48
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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 376 highest latencies:
System rack6slot0.osadl.org (updated Wed Jun 10, 2026 01:01:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3917599227214,11cyclictest0-21swapper/022:45:100
3917599227214,11cyclictest0-21swapper/022:45:100
3918299220206,12cyclictest0-21swapper/521:25:1135
3918299220206,12cyclictest0-21swapper/521:25:1135
3919499217210,4cyclictest0-21swapper/1622:15:148
3919499217210,4cyclictest0-21swapper/1622:15:148
3919499216208,5cyclictest0-21swapper/1619:20:018
3919499216208,5cyclictest0-21swapper/1619:20:018
3917599214197,10cyclictest0-21swapper/022:29:000
3917599214197,10cyclictest0-21swapper/022:29:000
3917599214197,10cyclictest0-21swapper/022:29:000
3922099213204,4cyclictest3545-21CPU33
3922099213204,4cyclictest3545-21CPU33
3917599212203,7cyclictest0-21swapper/021:19:040
3917599212203,7cyclictest0-21swapper/021:19:040
3920699210202,6cyclictest0-21swapper/2623:00:1819
3920699210202,6cyclictest0-21swapper/2623:00:1819
3920699210202,6cyclictest0-21swapper/2623:00:1819
3919499209203,4cyclictest0-21swapper/1621:48:518
3919499209203,4cyclictest0-21swapper/1621:48:518
3920699207201,5cyclictest0-21swapper/2623:05:3819
3920699207201,5cyclictest0-21swapper/2623:05:3819
3918699206199,5cyclictest0-21swapper/921:54:1339
3918699206199,5cyclictest0-21swapper/921:54:1339
3917599205192,4cyclictest0-21swapper/022:23:020
3917599205192,4cyclictest0-21swapper/022:23:020
3918699204193,8cyclictest0-21swapper/900:20:1939
3918699204193,8cyclictest0-21swapper/900:20:1939
3919999202196,5cyclictest0-21swapper/2100:20:3514
3919999202196,5cyclictest0-21swapper/2100:20:3514
3917599202189,11cyclictest0-21swapper/023:02:270
3917599202189,11cyclictest0-21swapper/023:02:270
3917599202189,11cyclictest0-21swapper/023:02:270
3917599202179,15cyclictest0-21swapper/022:38:000
3917599202179,15cyclictest0-21swapper/022:38:000
3920699201196,4cyclictest0-21swapper/2622:56:4319
3920699201196,4cyclictest0-21swapper/2622:56:4319
3920699201196,4cyclictest0-21swapper/2622:56:4319
3919899201192,7cyclictest0-21swapper/2022:10:2013
3919899201192,7cyclictest0-21swapper/2022:10:2013
3918699201195,4cyclictest0-21swapper/900:18:1239
3918699201195,4cyclictest0-21swapper/900:18:1139
39214992001,195cyclictest0-21swapper/3419:50:1328
39214992001,195cyclictest0-21swapper/3419:50:1328
3919999200189,4cyclictest0-21swapper/2123:56:1214
3919999200189,4cyclictest0-21swapper/2123:56:1214
3919999200189,4cyclictest0-21swapper/2123:56:1214
3917599199192,5cyclictest3600-21qemu-system-x8619:30:310
3917599199192,5cyclictest3600-21qemu-system-x8619:30:310
3917599199182,11cyclictest0-21swapper/000:16:010
3917599199182,11cyclictest0-21swapper/000:16:010
3919999198187,9cyclictest0-21swapper/2121:57:4814
3919999198187,9cyclictest0-21swapper/2121:57:4814
3919499198191,3cyclictest3609-21CPU8
3919499198191,3cyclictest3609-21CPU8
3917599198191,5cyclictest0-21swapper/000:32:290
3917599198191,5cyclictest0-21swapper/000:32:290
3918999197192,2cyclictest0-21swapper/1221:50:174
3918999197192,2cyclictest0-21swapper/1221:50:174
3921499196156,33cyclictest0-21swapper/3423:40:2828
3921499196156,33cyclictest0-21swapper/3423:40:2828
3919999196185,9cyclictest0-21swapper/2122:18:3914
3919999196185,9cyclictest0-21swapper/2122:18:3914
3920699195171,9cyclictest171rcu_preempt22:11:0219
3920699195171,9cyclictest171rcu_preempt22:11:0219
3919499195181,9cyclictest0-21swapper/1622:40:378
3919499195181,9cyclictest0-21swapper/1622:40:378
3918699195185,8cyclictest0-21swapper/920:45:2839
3918699195185,8cyclictest0-21swapper/920:45:2839
3917599195189,4cyclictest0-21swapper/021:50:460
3917599195189,4cyclictest0-21swapper/021:50:460
39214991941,65cyclictest0-21swapper/3421:25:0028
39214991941,65cyclictest0-21swapper/3421:25:0028
3920699194168,14cyclictest0-21swapper/2622:18:3819
3920699194168,14cyclictest0-21swapper/2622:18:3819
3919999194167,20cyclictest0-21swapper/2121:19:5314
3919999194167,20cyclictest0-21swapper/2121:19:5314
3919499194187,5cyclictest37346-21qemu-system-x8622:53:378
3919499194187,5cyclictest37346-21qemu-system-x8622:53:378
3919499194185,5cyclictest37356-21CPU8
3919499194185,5cyclictest37356-21CPU8
3918699194189,4cyclictest0-21swapper/900:13:0739
3918699194189,4cyclictest0-21swapper/900:13:0739
3920699193181,3cyclictest171rcu_preempt23:23:4919
3920699193181,3cyclictest171rcu_preempt23:23:4919
3919499193187,4cyclictest0-21swapper/1623:40:108
3919499193187,4cyclictest0-21swapper/1623:40:108
3919499193186,5cyclictest0-21swapper/1621:13:188
3919499193186,5cyclictest0-21swapper/1621:13:188
3919499193184,8cyclictest17484-21nfsd21:35:278
3919499193184,8cyclictest17484-21nfsd21:35:278
3919499193184,8cyclictest17484-21nfsd21:35:278
3918199193154,17cyclictest0-21swapper/422:36:4034
3918199193154,17cyclictest0-21swapper/422:36:4034
3917599193188,4cyclictest0-21swapper/000:38:190
3917599193188,4cyclictest0-21swapper/000:38:190
3917599193188,4cyclictest0-21swapper/000:38:190
3920699192187,4cyclictest0-21swapper/2622:54:2119
3920699192187,4cyclictest0-21swapper/2622:54:2119
3920399192174,13cyclictest10417-21latency_hist23:50:0116
3920399192174,13cyclictest10417-21latency_hist23:50:0116
3919699192185,5cyclictest0-21swapper/1823:35:1110
3919699192185,5cyclictest0-21swapper/1823:35:1110
3919499192186,4cyclictest0-21swapper/1623:40:048
3919499192186,4cyclictest0-21swapper/1623:40:048
3919499192186,4cyclictest0-21swapper/1622:25:118
3919499192186,4cyclictest0-21swapper/1622:25:118
3919499192186,4cyclictest0-21swapper/1622:25:118
3919499192185,3cyclictest3545-21CPU8
3919499192185,3cyclictest3545-21CPU8
3918199192188,3cyclictest0-21swapper/422:31:1234
3918199192188,3cyclictest0-21swapper/422:31:1234
3917999192186,3cyclictest3544-21CPU12
3917999192186,3cyclictest3544-21CPU12
3920699191139,26cyclictest0-21swapper/2622:29:2119
3920699191139,26cyclictest0-21swapper/2622:29:2119
3920699191139,26cyclictest0-21swapper/2622:29:2119
3919699191184,5cyclictest0-21swapper/1822:00:3810
3919699191184,5cyclictest0-21swapper/1822:00:3810
3919699191183,6cyclictest0-21swapper/1823:14:1910
3919699191183,6cyclictest0-21swapper/1823:14:1910
3919499191186,4cyclictest0-21swapper/1622:48:408
3919499191186,4cyclictest0-21swapper/1622:48:408
3919299191187,2cyclictest0-21swapper/1421:20:146
3919299191187,2cyclictest0-21swapper/1421:20:146
3920999190184,4cyclictest0-21swapper/2920:46:0822
3920999190184,4cyclictest0-21swapper/2920:46:0822
3919499190184,4cyclictest0-21swapper/1622:31:308
3919499190184,4cyclictest0-21swapper/1622:31:298
3919499190181,5cyclictest3546-21CPU8
3919499190181,5cyclictest3546-21CPU8
3918699190174,14cyclictest0-21swapper/920:01:0039
3918699190174,14cyclictest0-21swapper/920:01:0039
3917599190169,12cyclictest171rcu_preempt21:27:180
3917599190169,12cyclictest171rcu_preempt21:27:180
3917599190147,23cyclictest0-21swapper/023:13:020
3917599190147,23cyclictest0-21swapper/023:13:020
3917599190136,23cyclictest0-21swapper/000:25:210
3917599190136,23cyclictest0-21swapper/000:25:210
39214991891,98cyclictest0-21swapper/3419:15:2628
39214991891,98cyclictest0-21swapper/3419:15:2628
3920699189175,7cyclictest171rcu_preempt23:58:3719
3920699189175,7cyclictest171rcu_preempt23:58:3719
3920699189175,7cyclictest171rcu_preempt23:58:3719
3920699189154,15cyclictest0-21swapper/2600:23:0719
3920699189154,15cyclictest0-21swapper/2600:23:0719
39214991881,91cyclictest4398-21qemu-system-x8621:45:1928
39214991881,91cyclictest4398-21qemu-system-x8621:45:1928
3921499188147,38cyclictest0-21swapper/3423:27:1028
3921499188147,38cyclictest0-21swapper/3423:27:1028
3920699188167,11cyclictest0-21swapper/2600:26:5919
3920699188167,11cyclictest0-21swapper/2600:26:5919
3919499188181,5cyclictest0-21swapper/1620:25:358
3919499188181,5cyclictest0-21swapper/1600:05:198
3919499188181,5cyclictest0-21swapper/1600:05:198
3919499188179,7cyclictest0-21swapper/1620:10:298
3919499188179,7cyclictest0-21swapper/1620:10:298
3919499188179,6cyclictest1392-21gdbus21:52:338
3919499188179,6cyclictest1392-21gdbus21:52:338
3919399188180,4cyclictest4408-21CPU7
3919399188180,4cyclictest4408-21CPU7
3918699188182,4cyclictest0-21swapper/920:45:0039
3918699188182,4cyclictest0-21swapper/920:45:0039
3917599188150,20cyclictest0-21swapper/023:33:530
3917599188150,20cyclictest0-21swapper/023:33:520
3920699187135,42cyclictest0-21swapper/2622:45:5319
3920699187135,42cyclictest0-21swapper/2622:45:5319
3919999187145,38cyclictest4408-21CPU14
3919999187145,38cyclictest4408-21CPU14
3919499187181,5cyclictest0-21swapper/1619:40:148
3919499187177,8cyclictest0-21swapper/1600:30:478
3919499187177,8cyclictest0-21swapper/1600:30:468
3920699186168,8cyclictest171rcu_preempt23:39:0619
3920699186168,8cyclictest171rcu_preempt23:39:0619
3920699186142,28cyclictest0-21swapper/2600:37:5719
3920699186142,28cyclictest0-21swapper/2600:37:5719
3920699186142,28cyclictest0-21swapper/2600:37:5719
3919999186171,8cyclictest171rcu_preempt23:19:5714
3919999186171,8cyclictest171rcu_preempt23:19:5714
3917599186154,18cyclictest0-21swapper/023:40:560
3917599186154,18cyclictest0-21swapper/023:40:560
3917599186149,30cyclictest2454-21CPU0
3917599186149,30cyclictest2454-21CPU0
3920699185172,6cyclictest171rcu_preempt21:43:1919
3920699185172,6cyclictest171rcu_preempt21:43:1919
3920699185172,6cyclictest171rcu_preempt21:43:1919
3920699185172,6cyclictest171rcu_preempt21:43:1919
3920599185173,10cyclictest0-21swapper/2521:25:1118
3920599185173,10cyclictest0-21swapper/2521:25:1018
3919699185177,4cyclictest3542-21CPU10
3919699185177,4cyclictest3542-21CPU10
3919499185180,4cyclictest0-21swapper/1600:24:348
3919499185180,4cyclictest0-21swapper/1600:24:348
3919499185179,4cyclictest0-21swapper/1622:23:238
3919499185179,4cyclictest0-21swapper/1622:23:238
3919499185178,5cyclictest0-21swapper/1620:15:108
3919499185178,5cyclictest0-21swapper/1620:15:108
3918099185181,2cyclictest0-21swapper/321:24:5223
3918099185181,2cyclictest0-21swapper/321:24:5223
39214991841,180cyclictest0-21swapper/3421:15:2028
39214991841,180cyclictest0-21swapper/3421:15:2028
39214991841,178cyclictest0-21swapper/3422:00:1828
39214991841,178cyclictest0-21swapper/3422:00:1828
3919999184168,9cyclictest0-21swapper/2122:52:4714
3919999184168,9cyclictest0-21swapper/2122:52:4714
3919999184167,9cyclictest171rcu_preempt23:01:5014
3919999184167,9cyclictest171rcu_preempt23:01:5014
3919999184167,9cyclictest171rcu_preempt23:01:5014
3919999184161,10cyclictest0-21swapper/2123:30:0314
3919999184161,10cyclictest0-21swapper/2123:30:0314
3919999184145,27cyclictest2464-21CPU14
3919999184145,27cyclictest2464-21CPU14
3919999184145,27cyclictest2464-21CPU14
3919499184175,7cyclictest0-21swapper/1621:10:048
3919499184175,7cyclictest0-21swapper/1621:10:048
3919499184155,15cyclictest0-21swapper/1622:14:568
3919499184155,15cyclictest0-21swapper/1622:14:568
3918399184132,49cyclictest10275-21kworker/u81:0+events_unbound00:05:2236
3918399184132,49cyclictest10275-21kworker/u81:0+events_unbound00:05:2236
3917999184173,9cyclictest0-21swapper/223:33:4112
3917999184173,9cyclictest0-21swapper/223:33:4112
3917599184159,17cyclictest171rcu_preempt22:12:180
3917599184159,17cyclictest171rcu_preempt22:12:180
39214991830,180cyclictest0-21swapper/3421:15:0128
39214991830,180cyclictest0-21swapper/3421:15:0128
3920999183178,4cyclictest0-21swapper/2919:29:5722
3920999183178,4cyclictest0-21swapper/2919:29:5722
3920699183169,7cyclictest171rcu_preempt22:38:1019
3920699183169,7cyclictest171rcu_preempt22:38:1019
3920699183165,11cyclictest171rcu_preempt20:46:0119
3920699183165,11cyclictest171rcu_preempt20:46:0119
3920699183156,23cyclictest0-21swapper/2622:30:5419
3920699183156,23cyclictest0-21swapper/2622:30:5419
3920699183152,20cyclictest0-21swapper/2621:31:3719
3920699183152,20cyclictest0-21swapper/2621:31:3719
3920699183135,34cyclictest3543-21CPU19
3920699183135,34cyclictest3543-21CPU19
3919699183178,3cyclictest33639-21turbostat19:35:0010
3919699183178,3cyclictest33639-21turbostat19:35:0010
3919699183177,4cyclictest0-21swapper/1823:18:1910
3919699183177,4cyclictest0-21swapper/1823:18:1910
3919499183177,4cyclictest0-21swapper/1600:25:088
3919499183177,4cyclictest0-21swapper/1600:25:088
3917999183178,3cyclictest0-21swapper/223:36:3412
3917999183178,3cyclictest0-21swapper/223:36:3412
39217991820,6cyclictest12115-21bash21:10:2830
39217991820,6cyclictest12115-21bash21:10:2830
39214991821,178cyclictest0-21swapper/3421:10:0128
39214991821,178cyclictest0-21swapper/3421:10:0128
3920699182136,36cyclictest0-21swapper/2623:14:0019
3920699182136,36cyclictest0-21swapper/2623:14:0019
3920699182135,38cyclictest4407-21CPU19
3920699182135,38cyclictest4407-21CPU19
3919499182177,4cyclictest0-21swapper/1621:44:328
3919499182177,4cyclictest0-21swapper/1621:44:328
3919499182177,4cyclictest0-21swapper/1621:44:328
3919499182177,4cyclictest0-21swapper/1621:44:328
3919499182173,5cyclictest0-21swapper/1623:45:238
3919499182173,5cyclictest0-21swapper/1623:45:238
3918199182174,6cyclictest0-21swapper/423:20:4434
3918199182174,6cyclictest0-21swapper/423:20:4434
3917999182172,9cyclictest0-21swapper/200:07:3512
3917999182172,9cyclictest0-21swapper/200:07:3512
391759918285,68cyclictest17484-21nfsd21:10:210
391759918285,68cyclictest17484-21nfsd21:10:210
3917599182177,4cyclictest0-21swapper/020:17:190
3917599182177,4cyclictest0-21swapper/020:17:190
3921499181134,39cyclictest0-21swapper/3422:07:4528
3921499181134,39cyclictest0-21swapper/3422:07:4528
3920999181175,4cyclictest0-21swapper/2920:37:3022
3920999181175,4cyclictest0-21swapper/2920:37:3022
3920699181130,42cyclictest0-21swapper/2621:23:0519
3920699181130,42cyclictest0-21swapper/2621:23:0519
3919999181175,4cyclictest0-21swapper/2120:50:2814
3919999181175,4cyclictest0-21swapper/2120:50:2814
3919699181166,14cyclictest0-21swapper/1800:09:4910
3919699181166,14cyclictest0-21swapper/1800:09:4910
3917599181161,12cyclictest171rcu_preempt23:16:390
3917599181161,12cyclictest171rcu_preempt23:16:390
3917599181144,16cyclictest0-21swapper/000:22:270
3917599181144,16cyclictest0-21swapper/000:22:270
3917599181138,22cyclictest0-21swapper/023:55:350
3917599181138,22cyclictest0-21swapper/023:55:350
3917599181138,22cyclictest0-21swapper/023:55:350
3917599181135,25cyclictest0-21swapper/022:31:060
3917599181135,25cyclictest0-21swapper/022:31:060
3917599181127,45cyclictest0-21swapper/021:05:190
3917599181127,45cyclictest0-21swapper/021:05:190
3921499180145,33cyclictest0-21swapper/3422:50:1628
3921499180145,33cyclictest0-21swapper/3422:50:1628
3921399180173,3cyclictest0-21swapper/3322:00:1227
3921399180173,3cyclictest0-21swapper/3322:00:1227
3920699180171,6cyclictest0-21swapper/2619:38:0819
3920699180161,11cyclictest171rcu_preempt00:30:5519
3920699180161,11cyclictest171rcu_preempt00:30:5519
3920699180146,17cyclictest0-21swapper/2600:01:4919
3920699180146,17cyclictest0-21swapper/2600:01:4919
3920699180145,15cyclictest0-21swapper/2621:35:5019
3920699180145,15cyclictest0-21swapper/2621:35:5019
3920699180145,15cyclictest0-21swapper/2621:35:5019
3920699180137,31cyclictest0-21swapper/2621:54:5419
3920699180137,31cyclictest0-21swapper/2621:54:5419
3920499180166,6cyclictest17327-21kworker/u81:0+events_unbound21:38:0417
3920499180166,6cyclictest17327-21kworker/u81:0+events_unbound21:38:0417
3920499180166,6cyclictest17327-21kworker/u81:0+events_unbound21:38:0417
3920499180166,10cyclictest3610-21CPU17
3920499180166,10cyclictest3610-21CPU17
3920199180174,3cyclictest3542-21CPU15
3920199180174,3cyclictest3542-21CPU15
3919999180169,9cyclictest0-21swapper/2122:27:3414
3919999180169,9cyclictest0-21swapper/2122:27:3414
3919999180169,9cyclictest0-21swapper/2122:27:3414
3919999180161,10cyclictest171rcu_preempt21:40:3214
3919999180161,10cyclictest171rcu_preempt21:40:3214
3919999180161,10cyclictest171rcu_preempt21:40:3214
3919999180161,10cyclictest171rcu_preempt21:40:3214
3919699180173,6cyclictest0-21swapper/1823:30:4810
3919699180173,6cyclictest0-21swapper/1823:30:4810
3919699180129,45cyclictest3543-21CPU10
3919699180129,45cyclictest3543-21CPU10
3919499180174,4cyclictest0-21swapper/1619:20:488
3919499180174,4cyclictest0-21swapper/1619:20:488
3919499180163,10cyclictest0-21swapper/1621:20:028
3919499180163,10cyclictest0-21swapper/1621:20:028
3917999180145,21cyclictest2447-21CPU12
3917999180145,21cyclictest2447-21CPU12
3917999180145,21cyclictest2447-21CPU12
3917999180145,21cyclictest2447-21CPU12
3917599180158,10cyclictest0-21swapper/022:16:270
3917599180158,10cyclictest0-21swapper/022:16:270
3917599180154,19cyclictest171rcu_preempt19:50:390
3917599180154,19cyclictest171rcu_preempt19:50:390
3917599180138,35cyclictest0-21swapper/023:49:270
3917599180138,35cyclictest0-21swapper/023:49:270
3921499179149,27cyclictest0-21swapper/3422:40:2628
3921499179149,27cyclictest0-21swapper/3422:40:2628
3920999179174,4cyclictest0-21swapper/2920:17:0522
3920999179174,4cyclictest0-21swapper/2920:17:0522
3920699179169,8cyclictest0-21swapper/2619:14:2919
3920699179169,8cyclictest0-21swapper/2619:14:2919
3920699179162,9cyclictest171rcu_preempt23:18:1319
3920699179162,9cyclictest171rcu_preempt23:18:1319
3920699179154,18cyclictest171rcu_preempt19:44:1119
3920699179153,13cyclictest0-21swapper/2621:48:5319
3920699179153,13cyclictest0-21swapper/2621:48:5319
3919999179161,8cyclictest171rcu_preempt23:21:0014
3919999179161,8cyclictest171rcu_preempt23:21:0014
3919999179139,23cyclictest0-21swapper/2122:13:2214
3919999179139,23cyclictest0-21swapper/2122:13:2214
3919999179124,37cyclictest171rcu_preempt21:47:5614
3919999179124,37cyclictest171rcu_preempt21:47:5614
3919699179173,4cyclictest0-21swapper/1821:31:3310
3919699179173,4cyclictest0-21swapper/1821:31:3310
3919499179172,5cyclictest0-21swapper/1620:40:018
3919499179172,5cyclictest0-21swapper/1620:40:018
3918699179175,2cyclictest0-21swapper/921:35:0939
3918699179175,2cyclictest0-21swapper/921:35:0939
3918699179175,2cyclictest0-21swapper/921:35:0939
3921499178143,32cyclictest0-21swapper/3422:13:3028
3921499178143,32cyclictest0-21swapper/3422:13:3028
392109917841,133cyclictest0-21swapper/3021:30:1524
392109917841,133cyclictest0-21swapper/3021:30:1524
3920999178172,4cyclictest0-21swapper/2919:30:0522
3920999178172,4cyclictest0-21swapper/2919:30:0522
3920699178165,7cyclictest171rcu_preempt23:43:5719
3920699178165,7cyclictest171rcu_preempt23:43:5719
3920699178146,21cyclictest0-21swapper/2621:02:4919
3920699178146,21cyclictest0-21swapper/2621:02:4919
3920699178144,23cyclictest0-21swapper/2619:20:5619
3920699178144,23cyclictest0-21swapper/2619:20:5619
3920699178144,20cyclictest0-21swapper/2623:25:5919
3920699178144,20cyclictest0-21swapper/2623:25:5919
3920699178137,23cyclictest0-21swapper/2621:13:4719
3920699178137,23cyclictest0-21swapper/2621:13:4719
3920699178132,26cyclictest0-21swapper/2620:15:3819
3920699178132,26cyclictest0-21swapper/2620:15:3819
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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