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2026-04-14 - 16:52
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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 Tue Apr 14, 2026 13:04:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3389599436426,9cyclictest373-21kswapd111:26:439
3389599436426,9cyclictest373-21kswapd111:26:439
3389599436426,9cyclictest373-21kswapd111:26:439
3390499284279,3cyclictest22935-21kworker/u81:4+events_unbound11:26:4518
3390499284279,3cyclictest22935-21kworker/u81:4+events_unbound11:26:4518
3390499284279,3cyclictest22935-21kworker/u81:4+events_unbound11:26:4518
3391699269252,15cyclictest373-21kswapd111:26:4328
3391699269252,15cyclictest373-21kswapd111:26:4328
3391699269252,15cyclictest373-21kswapd111:26:4328
3389899247242,3cyclictest25716-21kworker/u81:2+events_unbound11:34:1913
3389899247242,3cyclictest25716-21kworker/u81:2+events_unbound11:34:1913
3389899247242,3cyclictest25716-21kworker/u81:2+events_unbound11:34:1913
3388499228195,19cyclictest0-21swapper/709:56:1537
3388499228195,19cyclictest0-21swapper/709:56:1537
3388499228195,19cyclictest0-21swapper/709:56:1437
3388499225215,7cyclictest0-21swapper/710:00:1437
3388499225215,7cyclictest0-21swapper/710:00:1437
3387899219210,5cyclictest3609-21CPU12
3387899219210,5cyclictest3609-21CPU12
3387899219210,5cyclictest3609-21CPU12
3388099212205,5cyclictest0-21swapper/410:13:0734
3388099212205,5cyclictest0-21swapper/410:13:0734
3387899209191,10cyclictest0-21swapper/212:03:0012
3387899209191,10cyclictest0-21swapper/212:03:0012
3388799208202,4cyclictest0-21swapper/912:35:2639
3388799208202,4cyclictest0-21swapper/912:35:2639
3388799208202,4cyclictest0-21swapper/912:35:2639
3387899208198,9cyclictest0-21swapper/209:56:1512
3387899208198,9cyclictest0-21swapper/209:56:1512
3387899208198,9cyclictest0-21swapper/209:56:1512
3388299205190,9cyclictest3544-21CPU36
3388299205190,9cyclictest3544-21CPU36
3387899205198,5cyclictest0-21swapper/211:56:5412
3387899205198,5cyclictest0-21swapper/211:56:5412
3387899205198,5cyclictest0-21swapper/211:56:5412
3387899205198,5cyclictest0-21swapper/211:56:5412
3387899205198,3cyclictest37354-21CPU12
3387899205198,3cyclictest37354-21CPU12
3389999201193,6cyclictest0-21swapper/2111:16:0814
3389999201193,6cyclictest0-21swapper/2111:16:0814
3389999201193,6cyclictest0-21swapper/2111:16:0814
3388499201188,8cyclictest0-21swapper/712:16:2937
3388499201188,8cyclictest0-21swapper/712:16:2937
3388499200176,19cyclictest0-21swapper/707:57:0237
3388499200176,19cyclictest0-21swapper/707:57:0137
3388099198193,4cyclictest0-21swapper/408:48:5634
3388099198193,4cyclictest0-21swapper/408:48:5634
3387899198190,6cyclictest9032-21sshd12:24:5512
3387899198190,6cyclictest9032-21sshd12:24:5512
3387899198190,6cyclictest9032-21sshd12:24:5512
3388499197190,5cyclictest0-21swapper/709:10:2037
3388499197190,5cyclictest0-21swapper/709:10:2037
3388499197190,5cyclictest0-21swapper/709:10:2037
3388299196188,6cyclictest0-21swapper/610:25:0936
3388299196188,6cyclictest0-21swapper/610:25:0936
3389599195185,7cyclictest37267-21CPU9
3389599195185,7cyclictest37267-21CPU9
3389599195185,7cyclictest37267-21CPU9
3387699195187,6cyclictest0-21swapper/010:38:540
3387699195187,6cyclictest0-21swapper/010:38:540
3387699195187,6cyclictest0-21swapper/010:38:540
3389999193184,6cyclictest0-21swapper/2111:44:2514
3389999193184,6cyclictest0-21swapper/2111:44:2514
3389999193184,6cyclictest0-21swapper/2111:44:2414
3388099191188,2cyclictest0-21swapper/408:50:4634
3388099191188,2cyclictest0-21swapper/408:50:4634
3391599190175,5cyclictest171rcu_preempt11:02:0427
3391599190175,5cyclictest171rcu_preempt11:02:0427
3391199190184,4cyclictest0-21swapper/3010:45:2124
3391199190184,4cyclictest0-21swapper/3010:45:2124
3391199190184,4cyclictest0-21swapper/3010:45:2124
3388999190187,2cyclictest373-21kswapd111:26:433
3388999190187,2cyclictest373-21kswapd111:26:433
3388999190187,2cyclictest373-21kswapd111:26:423
3388799190183,5cyclictest0-21swapper/907:25:1539
3388799190183,5cyclictest0-21swapper/907:25:1539
3388799190177,11cyclictest0-21swapper/912:34:3839
3388799190177,11cyclictest0-21swapper/912:34:3839
3388799190177,11cyclictest0-21swapper/912:34:3839
3391699189174,9cyclictest0-21swapper/3411:39:0528
3391699189174,9cyclictest0-21swapper/3411:39:0428
3387899189180,5cyclictest37268-21CPU12
3387899189180,5cyclictest37268-21CPU12
3389999188182,4cyclictest0-21swapper/2112:09:0714
3389999188182,4cyclictest0-21swapper/2112:09:0714
3389999188182,4cyclictest0-21swapper/2109:34:5314
3389999188182,4cyclictest0-21swapper/2109:34:5314
3389999188182,4cyclictest0-21swapper/2109:34:5314
3389999188182,4cyclictest0-21swapper/2109:34:5214
3388999188178,8cyclictest0-21swapper/1109:30:043
3388999188178,8cyclictest0-21swapper/1109:30:043
3388999188178,8cyclictest0-21swapper/1109:30:043
3391599186161,12cyclictest0-21swapper/3312:21:2727
3391599186161,12cyclictest0-21swapper/3312:21:2727
3391599186161,12cyclictest0-21swapper/3312:21:2727
3391599186157,12cyclictest171rcu_preempt08:11:0127
3390599186162,22cyclictest372-21kswapd011:26:4319
3390599186162,22cyclictest372-21kswapd011:26:4319
3390599186162,22cyclictest372-21kswapd011:26:4319
3389999186177,5cyclictest37355-21CPU14
3389999186177,5cyclictest37355-21CPU14
3389999186168,11cyclictest0-21swapper/2112:04:4414
3389999186168,11cyclictest0-21swapper/2112:04:4414
3388499186178,6cyclictest0-21swapper/711:32:3937
3388499186178,6cyclictest0-21swapper/711:32:3937
3388499186178,6cyclictest0-21swapper/711:32:3937
3388299186174,9cyclictest0-21swapper/612:13:3736
3388299186174,9cyclictest0-21swapper/612:13:3736
3387699186175,4cyclictest1-21systemd12:06:290
3387699186175,4cyclictest1-21systemd12:06:290
3391599185173,9cyclictest0-21swapper/3310:00:5827
3391599185173,9cyclictest0-21swapper/3310:00:5827
3390199185179,4cyclictest13330-21kworker/u81:1+events_unbound11:37:1115
3390199185179,4cyclictest13330-21kworker/u81:1+events_unbound11:37:1115
3388799185170,13cyclictest0-21swapper/908:10:2939
3387899185175,8cyclictest486-21systemd-cgroups10:06:5712
3387899185175,8cyclictest486-21systemd-cgroups10:06:5712
3387899185175,8cyclictest486-21systemd-cgroups10:06:5712
3387899185175,8cyclictest486-21systemd-cgroups10:06:5712
3391599184178,4cyclictest0-21swapper/3307:40:2227
3391599184178,4cyclictest0-21swapper/3307:40:2227
339019918437,143cyclictest0-21swapper/2212:20:2115
339019918437,143cyclictest0-21swapper/2212:20:2115
339019918437,143cyclictest0-21swapper/2212:20:2115
3389999184171,11cyclictest0-21swapper/2110:10:5214
3389999184171,11cyclictest0-21swapper/2110:10:5114
3388499184173,10cyclictest0-21swapper/711:45:4337
3388499184173,10cyclictest0-21swapper/711:45:4337
3388499184173,10cyclictest0-21swapper/711:45:4337
3388499184172,10cyclictest0-21swapper/710:15:3537
3388499184172,10cyclictest0-21swapper/710:15:3537
3388299184177,5cyclictest0-21swapper/608:30:1536
3388299184177,5cyclictest0-21swapper/608:30:1536
3391799183177,2cyclictest0-21swapper/3508:05:1229
3391799183177,2cyclictest0-21swapper/3508:05:1229
3388799183180,2cyclictest0-21swapper/911:03:1639
3388799183180,2cyclictest0-21swapper/911:03:1639
3388499183175,6cyclictest0-21swapper/710:58:0037
3388499183175,6cyclictest0-21swapper/710:58:0037
3388499183173,8cyclictest0-21swapper/710:33:2937
3388499183173,8cyclictest0-21swapper/710:33:2937
3388499183173,8cyclictest0-21swapper/710:33:2937
3388299183178,4cyclictest0-21swapper/608:35:2136
3388299183178,4cyclictest0-21swapper/608:35:2136
3388299183178,4cyclictest0-21swapper/608:06:0436
3388299183178,4cyclictest0-21swapper/608:06:0436
3388299183169,12cyclictest0-21swapper/610:23:4236
3388299183169,12cyclictest0-21swapper/610:23:4236
3387699183168,12cyclictest0-21swapper/011:00:130
3387699183168,12cyclictest0-21swapper/011:00:130
3391599182171,8cyclictest1-21systemd09:37:1327
3391599182171,8cyclictest1-21systemd09:37:1327
3391599182171,8cyclictest1-21systemd09:37:1327
3391599182171,8cyclictest1-21systemd09:37:1327
3391599182170,10cyclictest0-21swapper/3311:59:0327
3391599182170,10cyclictest0-21swapper/3311:59:0327
3391599182170,10cyclictest0-21swapper/3311:59:0327
3391599182170,10cyclictest0-21swapper/3311:59:0327
3388799182175,5cyclictest0-21swapper/910:36:0939
3388799182175,5cyclictest0-21swapper/910:36:0939
3388799182175,5cyclictest0-21swapper/910:36:0939
3388499182176,3cyclictest0-21swapper/710:07:2337
3388499182176,3cyclictest0-21swapper/710:07:2337
3388499182176,3cyclictest0-21swapper/710:07:2337
3388499182176,3cyclictest0-21swapper/710:07:2337
3388299182170,9cyclictest0-21swapper/609:14:0636
3388299182170,9cyclictest0-21swapper/609:14:0636
3388299182170,9cyclictest0-21swapper/609:14:0636
3388299182144,31cyclictest3541-21CPU36
3388299182144,31cyclictest3541-21CPU36
3388299182144,31cyclictest3541-21CPU36
3388099182173,7cyclictest0-21swapper/408:05:0234
3388099182173,7cyclictest0-21swapper/408:05:0234
3387899182176,4cyclictest0-21swapper/209:02:2212
3387899182176,4cyclictest0-21swapper/209:02:2212
3391599181161,12cyclictest171rcu_preempt11:10:0827
3389999181169,7cyclictest0-21swapper/2110:55:5614
3389999181169,7cyclictest0-21swapper/2110:55:5614
3389999181163,16cyclictest0-21swapper/2109:40:0114
3389999181163,16cyclictest0-21swapper/2109:40:0114
3389999181163,16cyclictest0-21swapper/2109:40:0114
3389999181163,16cyclictest0-21swapper/2109:40:0114
3388799181174,5cyclictest0-21swapper/910:31:1039
3388799181174,5cyclictest0-21swapper/910:31:1039
3388799181174,5cyclictest0-21swapper/910:31:1039
3388799181170,9cyclictest0-21swapper/910:26:4139
3388799181170,9cyclictest0-21swapper/910:26:4139
3387899181172,6cyclictest0-21swapper/210:30:2612
3387899181172,6cyclictest0-21swapper/210:30:2612
3387899181172,6cyclictest0-21swapper/210:30:2612
3391599180174,4cyclictest0-21swapper/3307:39:2827
3391599180174,4cyclictest0-21swapper/3307:39:2827
3391599180155,11cyclictest171rcu_preempt07:30:0427
3391599180155,11cyclictest171rcu_preempt07:30:0427
3389999180173,5cyclictest0-21swapper/2111:08:4814
3389999180173,5cyclictest0-21swapper/2111:08:4814
3389999180173,5cyclictest0-21swapper/2111:08:4814
3388299180175,4cyclictest0-21swapper/608:14:4636
3389999179170,7cyclictest0-21swapper/2110:21:2914
3389999179170,7cyclictest0-21swapper/2110:21:2914
3389599179174,2cyclictest0-21swapper/1709:45:199
3389599179174,2cyclictest0-21swapper/1709:45:199
3389599179174,2cyclictest0-21swapper/1709:45:199
3388799179170,7cyclictest0-21swapper/907:30:3239
3388799179170,7cyclictest0-21swapper/907:30:3239
3388299179174,4cyclictest0-21swapper/609:06:1536
3388299179174,4cyclictest0-21swapper/609:06:1536
3388299179174,4cyclictest0-21swapper/609:06:1436
3391599178142,18cyclictest0-21swapper/3309:59:1127
3391599178142,18cyclictest0-21swapper/3309:59:1127
3391599178142,18cyclictest0-21swapper/3309:59:1127
3389099178172,4cyclictest0-21swapper/1212:23:134
3389099178172,4cyclictest0-21swapper/1212:23:134
3389099178172,4cyclictest0-21swapper/1212:23:134
3388799178169,8cyclictest0-21swapper/909:01:4739
3388799178169,8cyclictest0-21swapper/909:01:4739
3388499178147,27cyclictest0-21swapper/707:29:2637
3388499178147,27cyclictest0-21swapper/707:29:2637
3388299178168,6cyclictest4407-21CPU36
3388299178168,6cyclictest4407-21CPU36
3387899178171,5cyclictest0-21swapper/210:27:5912
3387899178171,5cyclictest0-21swapper/210:27:5912
3387699178170,6cyclictest0-21swapper/010:50:200
3387699178170,6cyclictest0-21swapper/010:50:200
3387699178170,6cyclictest0-21swapper/010:50:200
3392199177167,8cyclictest0-21swapper/3912:25:5633
3392199177167,8cyclictest0-21swapper/3912:25:5633
3392199177161,14cyclictest0-21swapper/3910:30:4033
3392199177161,14cyclictest0-21swapper/3910:30:4033
3392199177161,14cyclictest0-21swapper/3910:30:4033
3391599177146,22cyclictest0-21swapper/3310:47:3627
3391599177146,22cyclictest0-21swapper/3310:47:3627
3391599177146,22cyclictest0-21swapper/3310:47:3527
3389999177169,5cyclictest0-21swapper/2109:20:3714
3389999177169,5cyclictest0-21swapper/2109:20:3714
3389999177169,5cyclictest0-21swapper/2109:20:3714
3389999177169,5cyclictest0-21swapper/2109:20:3714
3388499177131,22cyclictest0-21swapper/712:09:3437
3388499177131,22cyclictest0-21swapper/712:09:3437
3388299177172,4cyclictest0-21swapper/607:35:5736
3388299177172,4cyclictest0-21swapper/607:35:5736
3388299177132,23cyclictest0-21swapper/607:59:4736
3388299177132,23cyclictest0-21swapper/607:59:4636
3388299177112,58cyclictest2459-21CPU36
3388299177112,58cyclictest2459-21CPU36
3388299177112,58cyclictest2459-21CPU36
3391599176132,18cyclictest0-21swapper/3311:28:3527
3391599176132,18cyclictest0-21swapper/3311:28:3527
3391599176132,18cyclictest0-21swapper/3311:28:3527
3389999176133,40cyclictest3543-21CPU14
3389999176133,40cyclictest3543-21CPU14
3389999176133,40cyclictest3543-21CPU14
3389399176166,7cyclictest0-21swapper/1510:25:037
3389399176166,7cyclictest0-21swapper/1510:25:037
3388299176170,5cyclictest0-21swapper/607:10:0136
3388299176170,5cyclictest0-21swapper/607:10:0136
3388299176164,7cyclictest0-21swapper/612:25:5436
3388299176164,7cyclictest0-21swapper/612:25:5436
3388299176163,11cyclictest0-21swapper/607:10:3036
3388299176163,11cyclictest0-21swapper/607:10:3036
3387899176168,6cyclictest0-21swapper/207:35:3112
3387899176168,6cyclictest0-21swapper/207:35:3112
3387899176164,2cyclictest0-21swapper/211:26:2712
3387899176164,2cyclictest0-21swapper/211:26:2712
3387899176164,2cyclictest0-21swapper/211:26:2712
3387699176169,5cyclictest36967-21sshd10:17:380
3387699176169,5cyclictest36967-21sshd10:17:380
3391599175153,10cyclictest171rcu_preempt09:18:4227
3391599175153,10cyclictest171rcu_preempt09:18:4227
3391599175153,10cyclictest171rcu_preempt09:18:4227
339019917574,97cyclictest0-21swapper/2210:17:1415
339019917574,97cyclictest0-21swapper/2210:17:1415
3389999175170,3cyclictest0-21swapper/2111:05:0614
3389999175170,3cyclictest0-21swapper/2111:05:0614
3389999175168,5cyclictest0-21swapper/2109:19:5514
3389999175168,5cyclictest0-21swapper/2109:19:5514
3389999175168,5cyclictest0-21swapper/2109:19:5514
3389999175165,8cyclictest0-21swapper/2109:40:1514
3389999175165,8cyclictest0-21swapper/2109:40:1514
3389999175165,8cyclictest0-21swapper/2109:40:1514
3388299175150,12cyclictest171rcu_preempt12:02:0136
3388299175150,12cyclictest171rcu_preempt12:02:0136
3387699175164,5cyclictest0-21swapper/010:01:180
3387699175164,5cyclictest0-21swapper/010:01:180
3391899174163,7cyclictest0-21swapper/3609:30:0430
3391899174163,7cyclictest0-21swapper/3609:30:0430
3391899174163,7cyclictest0-21swapper/3609:30:0430
3391699174161,11cyclictest0-21swapper/3411:41:1528
3391699174161,11cyclictest0-21swapper/3411:41:1528
3391699174161,11cyclictest0-21swapper/3411:41:1528
3391599174155,4cyclictest0-21swapper/3310:36:0327
3391599174155,4cyclictest0-21swapper/3310:36:0327
3391599174155,4cyclictest0-21swapper/3310:36:0227
3391599174154,9cyclictest17484-21nfsd12:26:3527
3391599174154,9cyclictest17484-21nfsd12:26:3527
3391599174143,23cyclictest2454-21CPU27
3391599174143,23cyclictest2454-21CPU27
3391599174127,20cyclictest0-21swapper/3310:26:1327
3391599174127,20cyclictest0-21swapper/3310:26:1327
3389999174167,5cyclictest0-21swapper/2111:22:3114
3389999174167,5cyclictest0-21swapper/2111:22:3114
3389999174156,14cyclictest2466-21CPU14
3389999174156,14cyclictest2466-21CPU14
3389999174156,14cyclictest2466-21CPU14
3388799174168,4cyclictest0-21swapper/910:23:0439
3388799174168,4cyclictest0-21swapper/910:23:0439
3388299174122,29cyclictest0-21swapper/610:08:3536
3388299174122,29cyclictest0-21swapper/610:08:3536
3388299174122,29cyclictest0-21swapper/610:08:3536
3388299174122,29cyclictest0-21swapper/610:08:3536
3388099174164,8cyclictest0-21swapper/410:06:1334
3388099174164,8cyclictest0-21swapper/410:06:1334
3388099174164,8cyclictest0-21swapper/410:06:1334
3388099174164,8cyclictest0-21swapper/410:06:1334
3387899174154,9cyclictest0-21swapper/207:53:1312
3387899174154,9cyclictest0-21swapper/207:53:1312
3387699174165,8cyclictest0-21swapper/009:47:310
3387699174165,8cyclictest0-21swapper/009:47:310
3387699174165,8cyclictest0-21swapper/009:47:310
3391599173146,9cyclictest171rcu_preempt11:08:0527
3391599173146,9cyclictest171rcu_preempt11:08:0527
3391599173144,15cyclictest0-21swapper/3308:05:1827
3391599173144,15cyclictest0-21swapper/3308:05:1827
3391599173123,26cyclictest0-21swapper/3312:38:5027
3391599173123,26cyclictest0-21swapper/3312:38:5027
3391599173123,26cyclictest0-21swapper/3312:38:5027
3390899173158,10cyclictest0-21swapper/2809:13:0221
3390899173158,10cyclictest0-21swapper/2809:13:0221
3390899173158,10cyclictest0-21swapper/2809:13:0221
3389999173166,5cyclictest0-21swapper/2111:11:4014
3389999173166,5cyclictest0-21swapper/2111:11:4014
3388799173164,6cyclictest0-21swapper/912:06:0439
3388799173164,6cyclictest0-21swapper/912:06:0439
3388499173161,5cyclictest0-21swapper/707:30:1637
3388499173161,5cyclictest0-21swapper/707:30:1637
3388499173126,19cyclictest0-21swapper/709:34:0137
3388499173126,19cyclictest0-21swapper/709:34:0137
3388499173126,19cyclictest0-21swapper/709:34:0137
3388499173126,19cyclictest0-21swapper/709:34:0137
3388299173148,10cyclictest171rcu_preempt09:32:0036
3388299173148,10cyclictest171rcu_preempt09:32:0036
3388299173148,10cyclictest171rcu_preempt09:32:0036
3388299173148,10cyclictest171rcu_preempt09:32:0036
3388299173129,26cyclictest0-21swapper/612:07:2736
3388299173129,26cyclictest0-21swapper/612:07:2736
3388099173167,4cyclictest0-21swapper/408:39:3634
3388099173167,4cyclictest0-21swapper/408:39:3634
3388099173159,6cyclictest0-21swapper/408:09:5734
3388099173159,6cyclictest0-21swapper/408:09:5634
3391599172156,9cyclictest171rcu_preempt10:58:4127
3391599172156,9cyclictest171rcu_preempt10:58:4127
3391599172148,7cyclictest171rcu_preempt10:33:2827
3391599172148,7cyclictest171rcu_preempt10:33:2827
3391599172148,7cyclictest171rcu_preempt10:33:2827
3391599172144,13cyclictest0-21swapper/3311:35:5927
3391599172144,13cyclictest0-21swapper/3311:35:5927
3391599172124,27cyclictest0-21swapper/3309:25:0227
3391599172124,27cyclictest0-21swapper/3309:25:0227
3391599172124,27cyclictest0-21swapper/3309:25:0227
3391599172124,27cyclictest0-21swapper/3309:25:0227
3391599172121,22cyclictest0-21swapper/3311:21:4927
3391599172121,22cyclictest0-21swapper/3311:21:4927
3388799172166,4cyclictest0-21swapper/909:28:2939
3388799172166,4cyclictest0-21swapper/909:28:2939
3388799172166,4cyclictest0-21swapper/909:28:2939
3388499172137,21cyclictest0-21swapper/707:35:2337
3388499172137,21cyclictest0-21swapper/707:35:2337
3388499172126,41cyclictest0-21swapper/710:46:1437
3388499172126,41cyclictest0-21swapper/710:46:1437
3388499172126,41cyclictest0-21swapper/710:46:1437
3388499172122,29cyclictest0-21swapper/712:28:1237
3388499172122,29cyclictest0-21swapper/712:28:1237
3388299172166,5cyclictest0-21swapper/610:01:5736
3388299172166,5cyclictest0-21swapper/610:01:5736
3387899172169,2cyclictest0-21swapper/211:43:4012
3387899172169,2cyclictest0-21swapper/211:43:4012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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