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2025-10-16 - 05:18
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackcslot8.osadl.org (updated Thu Oct 16, 2025 00:49:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1776799324126,1cyclictest151rcu_preempt23:12:2714
2482913230,315ptp4l0-21swapper/119:07:301
2482913230,315ptp4l0-21swapper/119:07:301
177629927476,1cyclictest151rcu_preempt00:07:5013
177629927476,1cyclictest151rcu_preempt00:07:4913
178079923381,79cyclictest151rcu_preempt23:25:0924
178079923381,79cyclictest151rcu_preempt23:25:0924
177589917623,125cyclictest0-21swapper/1921:16:2711
177589917523,135cyclictest0-21swapper/1921:49:0211
177589917423,114cyclictest0-21swapper/1922:20:2111
177589917323,123cyclictest0-21swapper/1922:06:4111
177589917316,153cyclictest0-21swapper/1923:35:2411
177589917316,153cyclictest0-21swapper/1923:35:2411
177049916835,88cyclictest52-21ksoftirqd/600:32:0628
17781991638,125cyclictest0-21swapper/2420:35:1317
178079916236,108cyclictest0-21swapper/3000:04:1424
17781991618,119cyclictest0-21swapper/2400:21:1617
17781991618,119cyclictest0-21swapper/2400:21:1617
17781991608,112cyclictest0-21swapper/2421:30:1417
17781991578,148cyclictest0-21swapper/2421:25:0117
178079915630,111cyclictest0-21swapper/3023:47:2124
178079915630,111cyclictest0-21swapper/3023:47:2124
163472155147,6sleep60-21swapper/619:07:4628
163472155147,6sleep60-21swapper/619:07:4528
17781991498,84cyclictest0-21swapper/2421:45:1217
177589914823,77cyclictest0-21swapper/1921:39:0911
17708991480,87cyclictest0-21swapper/721:43:3029
178109914712,131cyclictest0-21swapper/3123:21:4425
178109914712,131cyclictest0-21swapper/3123:21:4325
177589914781,65cyclictest131-21ksoftirqd/1922:39:1811
178109914612,118cyclictest0-21swapper/3123:30:1725
178109914612,118cyclictest0-21swapper/3123:30:1625
178109914513,88cyclictest0-21swapper/3100:11:2625
178109914513,88cyclictest0-21swapper/3100:11:2525
178109914512,132cyclictest0-21swapper/3123:45:1325
178109914512,132cyclictest0-21swapper/3123:45:1325
178109914412,88cyclictest0-21swapper/3100:39:4425
17781991440,81cyclictest0-21swapper/2420:05:1617
17708991440,84cyclictest0-21swapper/722:20:2329
17781991438,85cyclictest0-21swapper/2421:19:0017
17781991418,85cyclictest0-21swapper/2423:00:1817
17781991418,83cyclictest0-21swapper/2400:05:3017
17781991418,83cyclictest0-21swapper/2400:05:3017
17799991400,86cyclictest0-21swapper/2823:12:1921
177089914023,100cyclictest0-21swapper/722:19:3329
177049914011,94cyclictest151rcu_preempt21:29:0528
17704991375,74cyclictest0-21swapper/621:51:3028
178079913529,65cyclictest0-21swapper/3022:37:5124
177589913513,55cyclictest0-21swapper/1923:09:2311
177049913545,61cyclictest0-21swapper/600:00:1828
178109913412,75cyclictest0-21swapper/3121:30:0125
178079913446,57cyclictest0-21swapper/3023:35:3524
178079913446,57cyclictest0-21swapper/3023:35:3524
17790991340,83cyclictest0-21swapper/2623:03:5919
17781991348,89cyclictest0-21swapper/2400:25:3617
178079913352,57cyclictest0-21swapper/3000:13:3324
178079913352,57cyclictest0-21swapper/3000:13:3224
17799991330,84cyclictest0-21swapper/2821:05:1621
178079913226,72cyclictest0-21swapper/3022:50:4324
177049913248,61cyclictest0-21swapper/621:33:5328
177049913227,62cyclictest0-21swapper/619:26:4228
17810991310,76cyclictest0-21swapper/3100:06:3625
17810991310,76cyclictest0-21swapper/3100:06:3625
178079913130,70cyclictest0-21swapper/3019:10:1924
178079913129,67cyclictest0-21swapper/3022:31:2724
178079913127,73cyclictest0-21swapper/3022:10:3324
177589913123,68cyclictest0-21swapper/1923:19:5411
17745991310,85cyclictest0-21swapper/1621:45:208
177089913120,71cyclictest0-21swapper/722:38:0229
178079913053,61cyclictest0-21swapper/3022:42:4024
178079913046,53cyclictest0-21swapper/3022:20:4624
178079913044,55cyclictest0-21swapper/3023:54:5124
178079913031,65cyclictest0-21swapper/3021:52:5924
178079913030,52cyclictest0-21swapper/3022:01:3224
17781991308,89cyclictest0-21swapper/2419:50:0017
177089913042,53cyclictest0-21swapper/722:58:0229
177089913027,65cyclictest0-21swapper/723:19:4229
177049913045,62cyclictest0-21swapper/621:46:4228
177049913027,66cyclictest0-21swapper/623:41:1528
177049913027,66cyclictest0-21swapper/623:41:1428
178079912933,60cyclictest0-21swapper/3022:18:3824
178079912928,70cyclictest0-21swapper/3023:17:5724
178079912928,66cyclictest0-21swapper/3021:20:5524
178079912927,65cyclictest0-21swapper/3021:02:4524
178079912926,68cyclictest0-21swapper/3023:09:2324
17781991298,87cyclictest0-21swapper/2421:41:5117
17781991298,84cyclictest0-21swapper/2422:55:1317
177049912926,72cyclictest0-21swapper/619:37:5528
177049912926,65cyclictest0-21swapper/621:55:1528
177049912926,61cyclictest0-21swapper/620:11:0428
178079912831,63cyclictest0-21swapper/3023:40:5624
178079912831,63cyclictest0-21swapper/3023:40:5624
178079912830,73cyclictest0-21swapper/3020:20:1724
178079912829,73cyclictest0-21swapper/3000:24:1324
178079912829,73cyclictest0-21swapper/3000:24:1324
178079912829,68cyclictest0-21swapper/3021:29:2824
17781991288,119cyclictest0-21swapper/2422:00:1617
177089912845,51cyclictest0-21swapper/719:31:0029
177089912843,56cyclictest0-21swapper/700:16:5429
177089912843,56cyclictest0-21swapper/700:16:5329
177089912829,68cyclictest0-21swapper/722:51:2329
177089912827,65cyclictest0-21swapper/723:38:5729
177089912827,65cyclictest0-21swapper/723:38:5729
177049912858,68cyclictest0-21swapper/623:51:1328
177049912846,51cyclictest0-21swapper/622:57:3128
177049912834,65cyclictest0-21swapper/622:19:5028
177049912830,69cyclictest0-21swapper/620:19:1428
177049912826,58cyclictest0-21swapper/621:20:3128
178079912747,62cyclictest0-21swapper/3023:23:5124
178079912747,62cyclictest0-21swapper/3023:23:5024
178079912746,62cyclictest0-21swapper/3022:08:3024
178079912743,62cyclictest0-21swapper/3000:16:1124
178079912743,62cyclictest0-21swapper/3000:16:1124
178079912738,57cyclictest0-21swapper/3023:00:5124
178079912729,64cyclictest0-21swapper/3021:17:0924
178079912728,70cyclictest0-21swapper/3022:29:1824
178079912728,67cyclictest0-21swapper/3020:15:4424
17794991270,83cyclictest0-21swapper/2719:42:3420
177909912745,54cyclictest0-21swapper/2621:28:5219
177089912726,67cyclictest0-21swapper/720:05:4329
177049912728,71cyclictest0-21swapper/622:26:5728
177049912728,69cyclictest0-21swapper/623:07:3528
177049912728,69cyclictest0-21swapper/619:58:4628
178079912637,53cyclictest0-21swapper/3021:55:0724
17781991268,114cyclictest0-21swapper/2421:07:5117
177589912644,51cyclictest0-21swapper/1900:26:4311
177589912620,69cyclictest0-21swapper/1922:19:3111
177089912628,58cyclictest0-21swapper/700:00:1929
177089912626,63cyclictest0-21swapper/720:52:1229
177089912624,61cyclictest0-21swapper/721:11:5929
177049912636,53cyclictest0-21swapper/622:47:2428
177049912631,74cyclictest0-21swapper/622:44:2528
177049912631,66cyclictest0-21swapper/600:17:5728
177049912631,66cyclictest0-21swapper/600:17:5628
177049912630,79cyclictest0-21swapper/623:45:2028
177049912630,79cyclictest0-21swapper/623:45:2028
177049912629,66cyclictest0-21swapper/621:00:4428
177049912628,75cyclictest0-21swapper/621:11:5928
177049912628,67cyclictest0-21swapper/622:00:0528
177049912627,72cyclictest0-21swapper/620:24:2428
177049912626,66cyclictest0-21swapper/623:20:1328
177049912626,66cyclictest0-21swapper/623:20:1328
177049912625,62cyclictest0-21swapper/623:36:1628
177049912625,62cyclictest0-21swapper/623:36:1528
177049912624,58cyclictest0-21swapper/600:07:4728
177049912624,58cyclictest0-21swapper/600:07:4728
178079912561,64cyclictest0-21swapper/3020:55:1624
178079912529,71cyclictest0-21swapper/3019:44:2824
178079912528,66cyclictest0-21swapper/3020:10:2324
177089912528,65cyclictest0-21swapper/723:20:1429
177089912528,65cyclictest0-21swapper/723:20:1429
177089912527,65cyclictest0-21swapper/721:53:4129
177089912527,62cyclictest0-21swapper/721:25:2129
177089912526,63cyclictest0-21swapper/722:12:2229
177089912525,65cyclictest0-21swapper/719:36:5329
177089912524,65cyclictest0-21swapper/723:12:4529
177049912528,69cyclictest0-21swapper/619:50:1328
177049912528,67cyclictest0-21swapper/622:50:1828
177049912528,66cyclictest0-21swapper/623:30:5528
177049912528,66cyclictest0-21swapper/623:30:5528
177049912528,65cyclictest0-21swapper/622:34:4828
177049912527,68cyclictest0-21swapper/623:14:2128
177049912526,65cyclictest0-21swapper/620:51:0828
178079912427,63cyclictest0-21swapper/3021:10:1324
178079912425,59cyclictest0-21swapper/3023:12:3624
178079912424,69cyclictest0-21swapper/3000:33:1824
177909912450,55cyclictest0-21swapper/2622:37:4819
177909912419,61cyclictest0-21swapper/2621:35:4919
177589912427,69cyclictest0-21swapper/1923:58:5611
177589912427,69cyclictest0-21swapper/1923:58:5511
177589912427,62cyclictest0-21swapper/1922:03:2911
177589912427,62cyclictest0-21swapper/1921:54:2411
177589912426,66cyclictest0-21swapper/1923:11:5311
177589912426,64cyclictest0-21swapper/1922:30:4411
177089912441,64cyclictest0-21swapper/723:01:0029
177089912440,65cyclictest0-21swapper/700:30:1529
177089912430,75cyclictest0-21swapper/723:48:3329
177089912430,75cyclictest0-21swapper/723:48:3329
177089912427,69cyclictest0-21swapper/721:39:1529
177089912427,66cyclictest0-21swapper/723:32:0029
177089912427,66cyclictest0-21swapper/723:32:0029
177089912427,64cyclictest0-21swapper/720:15:2029
177089912426,65cyclictest0-21swapper/721:47:4729
177089912426,64cyclictest0-21swapper/721:55:4929
177049912438,55cyclictest0-21swapper/620:02:4528
177049912430,72cyclictest0-21swapper/620:06:2628
177049912428,68cyclictest0-21swapper/619:45:2428
178079912332,76cyclictest0-21swapper/3022:45:5324
178079912328,67cyclictest0-21swapper/3021:33:4424
177589912338,56cyclictest0-21swapper/1919:50:2411
177589912328,64cyclictest0-21swapper/1920:19:4911
177589912325,66cyclictest0-21swapper/1919:55:1411
177589912325,60cyclictest0-21swapper/1900:23:3011
177589912325,60cyclictest0-21swapper/1900:23:3011
177089912326,62cyclictest0-21swapper/722:08:0529
177089912326,61cyclictest0-21swapper/722:03:4929
177049912331,75cyclictest0-21swapper/600:28:0628
177049912327,60cyclictest0-21swapper/600:20:0628
177049912327,60cyclictest0-21swapper/600:20:0528
177049912324,57cyclictest0-21swapper/600:14:4528
177049912324,57cyclictest0-21swapper/600:14:4428
17794991220,85cyclictest0-21swapper/2721:50:1620
177909912248,52cyclictest0-21swapper/2620:10:1919
177909912244,51cyclictest0-21swapper/2622:23:2319
177589912227,66cyclictest0-21swapper/1922:54:1511
177589912226,62cyclictest0-21swapper/1921:07:5411
177589912225,67cyclictest0-21swapper/1922:49:2711
177589912225,64cyclictest0-21swapper/1900:05:5211
177589912225,64cyclictest0-21swapper/1900:05:5211
177589912223,46cyclictest0-21swapper/1921:14:4811
177459912210,110cyclictest112-21ksoftirqd/1623:10:358
177089912225,65cyclictest0-21swapper/700:08:5229
177089912225,65cyclictest0-21swapper/700:08:5229
177049912226,64cyclictest0-21swapper/619:15:2928
177049912226,64cyclictest0-21swapper/619:10:5928
178079912137,63cyclictest0-21swapper/3020:49:5524
178079912130,70cyclictest0-21swapper/3019:30:2024
177999912131,51cyclictest0-21swapper/2820:50:4621
177909912124,65cyclictest0-21swapper/2621:49:1119
177589912148,55cyclictest0-21swapper/1922:25:2411
177589912126,60cyclictest0-21swapper/1920:50:0011
177589912126,59cyclictest0-21swapper/1900:02:4011
177089912131,65cyclictest0-21swapper/720:29:1429
177089912129,59cyclictest0-21swapper/721:23:1229
177089912129,58cyclictest0-21swapper/721:18:2429
177089912127,64cyclictest0-21swapper/722:30:0129
177089912126,62cyclictest0-21swapper/720:00:2329
177089912124,64cyclictest0-21swapper/723:50:2629
17807991207,67cyclictest0-21swapper/3023:56:2724
17807991207,67cyclictest0-21swapper/3023:56:2624
178079912027,72cyclictest0-21swapper/3020:31:4524
178079912025,59cyclictest0-21swapper/3020:01:1824
177909912025,63cyclictest0-21swapper/2622:15:2119
177909912025,61cyclictest0-21swapper/2623:28:0319
177909912025,61cyclictest0-21swapper/2623:28:0319
17781991208,72cyclictest0-21swapper/2423:05:0317
17781991208,57cyclictest0-21swapper/2419:10:1417
177589912028,64cyclictest0-21swapper/1922:55:1911
177589912027,63cyclictest0-21swapper/1921:59:4411
177589912026,63cyclictest0-21swapper/1920:50:1711
17745991200,83cyclictest0-21swapper/1622:35:218
17741991206,98cyclictest0-21swapper/1522:22:037
177089912030,72cyclictest0-21swapper/700:36:4029
177089912022,57cyclictest0-21swapper/719:12:5129
177049912029,66cyclictest0-21swapper/619:21:5428
177049912025,64cyclictest0-21swapper/622:12:2128
177049912025,58cyclictest0-21swapper/622:24:3928
178079911931,69cyclictest0-21swapper/3019:45:1624
178079911929,74cyclictest0-21swapper/3021:08:0524
178079911929,70cyclictest0-21swapper/3000:38:4024
178079911928,74cyclictest0-21swapper/3021:43:2124
177909911948,57cyclictest0-21swapper/2621:13:5519
177909911942,50cyclictest0-21swapper/2621:05:2119
177909911928,66cyclictest0-21swapper/2622:47:5719
177909911926,64cyclictest0-21swapper/2623:08:4819
177909911925,59cyclictest0-21swapper/2600:35:2319
17781991198,86cyclictest0-21swapper/2422:10:5117
177589911928,67cyclictest0-21swapper/1923:50:2211
177589911928,63cyclictest0-21swapper/1921:44:1511
177589911927,70cyclictest0-21swapper/1923:41:5011
177589911927,70cyclictest0-21swapper/1923:41:4911
177589911927,64cyclictest0-21swapper/1923:00:0811
177589911926,65cyclictest0-21swapper/1919:25:1911
177589911925,60cyclictest0-21swapper/1920:55:2211
177589911924,62cyclictest0-21swapper/1919:10:2111
177089911928,70cyclictest0-21swapper/720:43:0729
177089911925,57cyclictest0-21swapper/721:30:4129
177089911924,61cyclictest0-21swapper/722:44:2629
177049911930,71cyclictest0-21swapper/623:00:5928
178079911842,48cyclictest0-21swapper/3020:37:0624
178079911826,56cyclictest0-21swapper/3000:25:1824
177909911845,55cyclictest0-21swapper/2620:35:2619
177909911844,55cyclictest0-21swapper/2623:57:2719
177909911844,55cyclictest0-21swapper/2623:57:2619
177909911825,61cyclictest0-21swapper/2620:56:1619
177909911825,60cyclictest0-21swapper/2622:33:4719
177909911824,63cyclictest0-21swapper/2600:11:2019
177909911824,63cyclictest0-21swapper/2600:11:1919
177909911824,60cyclictest0-21swapper/2620:23:4119
177909911823,55cyclictest0-21swapper/2600:00:0619
17767991180,75cyclictest0-21swapper/2122:15:0014
177589911858,60cyclictest0-21swapper/1923:22:3511
177589911858,60cyclictest0-21swapper/1923:22:3511
177589911828,64cyclictest0-21swapper/1923:49:1811
177589911828,64cyclictest0-21swapper/1923:49:1811
177589911827,60cyclictest0-21swapper/1919:40:1711
177589911825,59cyclictest0-21swapper/1920:35:2011
177589911824,58cyclictest0-21swapper/1922:43:3411
177089911827,55cyclictest0-21swapper/720:45:1729
177089911824,62cyclictest0-21swapper/700:13:4129
177089911824,62cyclictest0-21swapper/700:13:4129
177049911832,76cyclictest0-21swapper/621:41:0428
177049911830,73cyclictest0-21swapper/600:39:1928
177049911829,73cyclictest0-21swapper/623:25:0228
177049911829,73cyclictest0-21swapper/623:25:0228
177049911826,59cyclictest0-21swapper/621:06:4728
177999911736,51cyclictest0-21swapper/2823:55:3921
177999911736,51cyclictest0-21swapper/2823:55:3921
177909911746,58cyclictest0-21swapper/2623:53:4119
177909911727,64cyclictest0-21swapper/2621:04:1719
177909911724,60cyclictest0-21swapper/2600:20:2619
177909911724,60cyclictest0-21swapper/2600:20:2519
177909911718,56cyclictest0-21swapper/2622:51:1019
17781991178,66cyclictest0-21swapper/2421:55:2317
177819911737,50cyclictest0-21swapper/2400:00:5617
177589911728,65cyclictest0-21swapper/1900:18:0911
177589911728,65cyclictest0-21swapper/1900:18:0911
177589911727,70cyclictest0-21swapper/1920:25:1011
177589911726,62cyclictest0-21swapper/1920:05:3811
177589911725,60cyclictest0-21swapper/1921:22:5311
177049911730,74cyclictest0-21swapper/621:35:2828
17696991170,74cyclictest0-21swapper/421:45:2526
17696991170,61cyclictest0-21swapper/419:55:2326
178079911632,77cyclictest0-21swapper/3000:08:4324
178079911632,77cyclictest0-21swapper/3000:08:4324
177999911637,51cyclictest0-21swapper/2819:25:0121
177999911635,57cyclictest0-21swapper/2800:26:1321
177909911629,62cyclictest0-21swapper/2621:34:1319
177909911626,62cyclictest0-21swapper/2623:38:4419
177909911626,62cyclictest0-21swapper/2623:38:4419
177909911625,62cyclictest0-21swapper/2619:50:3319
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329891114105,7phc2sys0-21swapper/219:07:1712
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178079911432,71cyclictest0-21swapper/3019:38:5224
177999911425,62cyclictest0-21swapper/2822:56:2021
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17794991146,80cyclictest151rcu_preempt21:10:1120
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177819911424,59cyclictest0-21swapper/2423:25:2317
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177819911423,57cyclictest0-21swapper/2423:47:3517
177819911423,57cyclictest0-21swapper/2423:47:3517
177589911424,54cyclictest0-21swapper/1900:30:2711
177049911432,75cyclictest0-21swapper/619:30:5928
177999911344,50cyclictest0-21swapper/2820:57:4321
177999911340,53cyclictest0-21swapper/2821:35:2221
177909911327,62cyclictest0-21swapper/2622:11:0619
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