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2025-09-15 - 20:25
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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 all highest latencies:
System rack0slot2.osadl.org (updated Mon Sep 15, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
392530099590,57cyclictest321079-21needreboot20:04:217
392472925847,7sleep40-21swapper/415:24:474
3925291995352,1cyclictest271720-21kworker/u16:1+flush-8:020:03:224
3925294995250,2cyclictest3925016-21kworker/u16:0+flush-8:015:33:045
3925291994339,3cyclictest320978-21kworker/u16:4+flush-8:020:33:294
392495324332,8sleep50-21swapper/515:27:535
39249072439,30sleep70-21swapper/715:27:157
3925300994138,2cyclictest589235-21systemd-journal18:03:317
3925294993936,2cyclictest3870350-21kworker/u16:1+events_unbound15:48:185
392479123929,7sleep60-21swapper/615:25:376
3925296993634,2cyclictest18633-21kworker/u16:3+events_unbound17:54:296
3925294993633,3cyclictest124203-21kworker/u16:1+events_unbound19:13:185
3925300993531,3cyclictest49084-21dnf18:10:117
3925294993533,2cyclictest4075888-21kworker/u16:2+events_unbound16:48:275
3925296993432,2cyclictest252088-21kworker/u16:3+events_unbound19:40:206
3925294993431,2cyclictest4134009-21kworker/u16:0+flush-8:017:28:205
3925291993432,2cyclictest4045535-21kworker/u16:1+events_unbound16:33:034
3925291993331,2cyclictest124203-21kworker/u16:1+flush-8:019:23:334
3925296993230,2cyclictest4075888-21kworker/u16:2+events_unbound16:59:146
3925294993230,2cyclictest3979118-21kworker/u16:2+flush-8:016:08:045
3925291993230,2cyclictest125-21kswapd018:10:364
3925291993229,2cyclictest4105930-21kworker/u16:4+flush-8:017:58:184
3925296993129,2cyclictest4075888-21kworker/u16:2+flush-8:017:05:146
3925296993129,2cyclictest4008481-21kworker/u16:4+events_unbound16:12:186
3925296993127,3cyclictest59280-21kworker/u16:5+flush-8:018:13:466
3925294993129,2cyclictest18633-21kworker/u16:3+flush-8:018:48:205
3925291993129,2cyclictest124203-21kworker/u16:1+events_unbound19:08:274
3925291993128,2cyclictest18633-21kworker/u16:3+events_unbound18:13:284
3925296993028,2cyclictest4124171-21kworker/u16:3+events_unbound17:26:206
3925296993028,2cyclictest4045535-21kworker/u16:1+events_unbound16:34:586
3925296993028,2cyclictest4008481-21kworker/u16:4+events_unbound16:29:086
3925296993028,2cyclictest3979118-21kworker/u16:2+events_unbound16:05:226
3925296993028,2cyclictest134297-21kworker/u16:2+flush-8:018:47:586
3925296993028,2cyclictest124203-21kworker/u16:1+flush-8:018:32:226
3925294993027,2cyclictest371443-21kworker/u16:0+events_unbound20:38:175
3925294993027,2cyclictest252087-21kworker/u16:2+flush-8:020:08:265
3925294993027,2cyclictest18633-21kworker/u16:3+flush-8:018:13:235
3925291993026,3cyclictest4075888-21kworker/u16:2+flush-8:016:53:354
3925296992927,2cyclictest4105930-21kworker/u16:4+flush-8:017:19:346
3925296992927,2cyclictest4105930-21kworker/u16:4+events_unbound18:25:126
3925296992927,2cyclictest4075888-21kworker/u16:2+events_unbound16:42:106
3925296992927,2cyclictest3979118-21kworker/u16:2+events_unbound16:15:436
3925296992927,2cyclictest3958453-21kworker/u16:0+events_unbound15:47:396
3925296992927,2cyclictest39165-21kworker/u16:0+events_unbound18:01:156
3925296992927,2cyclictest173896-21kworker/u16:0+events_unbound19:27:506
3925296992927,2cyclictest173896-21kworker/u16:0+events_unbound18:54:546
3925296992926,2cyclictest301791-21kworker/u16:0+events_unbound20:21:346
3925294992926,2cyclictest124203-21kworker/u16:1+flush-8:019:28:185
3925291992926,2cyclictest3243089-21kworker/u16:2+events_unbound15:38:284
3925300992827,0cyclictest0-21swapper/715:52:267
3925300992822,5cyclictest589235-21systemd-journal18:52:207
3925296992826,2cyclictest4105930-21kworker/u16:4+flush-8:018:04:076
3925296992826,2cyclictest4008481-21kworker/u16:4+flush-8:016:22:036
3925296992826,2cyclictest3948582-21kworker/u16:3+events_unbound15:40:276
3925296992826,2cyclictest341565-21kworker/u16:5+flush-8:020:33:296
3925296992826,2cyclictest320978-21kworker/u16:4+events_unbound20:53:496
3925296992826,2cyclictest252087-21kworker/u16:2+events_unbound19:52:066
3925296992826,2cyclictest2455357-21kworker/u16:4+events_unbound15:34:436
3925296992826,2cyclictest18633-21kworker/u16:3+events_unbound19:07:346
3925296992826,2cyclictest18633-21kworker/u16:3+events_unbound18:48:586
3925296992826,2cyclictest173896-21kworker/u16:0+events_unbound19:47:506
3925296992826,2cyclictest134545-21kworker/u16:4+events_unbound19:10:556
3925294992826,2cyclictest4008481-21kworker/u16:4+events_unbound16:23:235
3925291992826,2cyclictest4134009-21kworker/u16:0+flush-8:017:18:204
3925296992725,2cyclictest4095406-21kworker/u16:1+events_unbound16:48:596
3925296992725,2cyclictest4056579-21kworker/u16:5+events_unbound16:47:136
3925296992725,2cyclictest3948582-21kworker/u16:3+flush-8:015:52:426
3925296992725,2cyclictest124203-21kworker/u16:1+events_unbound19:01:256
3925294992725,2cyclictest173896-21kworker/u16:0+events_unbound19:43:205
3925294992724,2cyclictest4075888-21kworker/u16:2+flush-8:017:43:195
3925294992724,2cyclictest173896-21kworker/u16:0+flush-8:019:18:185
40476422260,1chrt4047641-21fschecks_count16:28:175
3925300992624,1cyclictest0-21swapper/716:02:227
3925296992624,2cyclictest4105930-21kworker/u16:4+flush-8:017:44:026
3925296992624,2cyclictest4105930-21kworker/u16:4+events_unbound17:41:116
3925296992624,2cyclictest4095406-21kworker/u16:1+events_unbound16:55:356
3925296992624,2cyclictest271720-21kworker/u16:1+flush-8:020:01:066
3925296992624,2cyclictest252087-21kworker/u16:2+events_unbound20:24:186
3925296992624,2cyclictest124203-21kworker/u16:1+flush-8:018:42:306
3925291992624,2cyclictest4105930-21kworker/u16:4+events_unbound17:03:244
3925300992524,0cyclictest0-21swapper/717:42:227
3925300992519,5cyclictest589235-21systemd-journal18:14:217
3925296992523,2cyclictest4134009-21kworker/u16:0+events_unbound17:16:426
3925296992523,2cyclictest4075888-21kworker/u16:2+flush-8:017:33:546
3925296992523,2cyclictest3979118-21kworker/u16:2+events_unbound15:59:146
3925296992523,2cyclictest3925016-21kworker/u16:0+events_unbound15:29:546
3925296992523,2cyclictest173896-21kworker/u16:0+flush-8:019:14:066
3925296992523,2cyclictest173896-21kworker/u16:0+events_unbound19:22:126
3925296992523,2cyclictest124185-21kworker/u16:0+events_unbound18:36:146
3925294992523,2cyclictest4056579-21kworker/u16:5+flush-8:016:43:235
3925291992523,2cyclictest252087-21kworker/u16:2+flush-8:019:38:204
3925291992522,2cyclictest4105930-21kworker/u16:4+events_unbound17:13:184
3925300992423,0cyclictest0-21swapper/716:08:207
3925300992419,4cyclictest589235-21systemd-journal18:23:037
3925296992422,2cyclictest320978-21kworker/u16:4+events_unbound20:09:126
3925296992422,2cyclictest301791-21kworker/u16:0+events_unbound20:14:266
3925296992422,2cyclictest252088-21kworker/u16:3+flush-8:019:33:426
3925294992422,2cyclictest232206-21kworker/u16:5+flush-8:019:38:285
3925294992422,2cyclictest18633-21kworker/u16:3+flush-8:017:48:305
3925294992422,2cyclictest134545-21kworker/u16:4+events_unbound18:43:305
3925291992422,2cyclictest18633-21kworker/u16:3+flush-8:018:03:264
3925296992321,2cyclictest59241-21kworker/u16:1+events_unbound18:08:436
3925296992321,2cyclictest4075888-21kworker/u16:2+flush-8:017:31:196
3925296992321,2cyclictest4075888-21kworker/u16:2+flush-8:017:08:546
3925296992321,2cyclictest4075888-21kworker/u16:2+events_unbound17:52:396
3925296992321,2cyclictest390694-21kworker/u16:1+events_unbound20:44:056
3925294992321,2cyclictest3948582-21kworker/u16:3+events_unbound15:43:345
3925300992222,0cyclictest0-21swapper/716:52:247
3925300992221,0cyclictest0-21swapper/720:57:597
3925300992221,0cyclictest0-21swapper/718:42:427
3925300992219,2cyclictest4066315-21munin-run16:38:037
392530099220,21cyclictest311141-21taskset20:01:137
392530099220,20cyclictest589235-21systemd-journal16:47:197
3925296992220,2cyclictest4045535-21kworker/u16:1+events_unbound16:24:396
3925296992220,2cyclictest3958453-21kworker/u16:0+events_unbound15:54:476
3925296992220,2cyclictest341565-21kworker/u16:5+events_unbound20:32:216
3925296992220,2cyclictest103806-21kworker/u16:7+events_unbound18:22:596
3925294992220,2cyclictest252087-21kworker/u16:2+flush-8:020:03:255
3925294992218,3cyclictest4007253-21kworker/u16:3+flush-8:016:08:325
3925300992121,0cyclictest0-21swapper/716:30:117
3925300992120,0cyclictest0-21swapper/718:46:107
3925300992120,0cyclictest0-21swapper/717:29:267
3925300992119,1cyclictest0-21swapper/719:48:287
3925300992118,2cyclictest4125165-21munin-run17:08:047
3925296992119,2cyclictest377592-21kworker/u16:3+flush-8:020:38:306
3925296992119,2cyclictest377592-21kworker/u16:3+events_unbound20:49:026
3925296992119,2cyclictest301791-21kworker/u16:0+flush-8:020:08:026
3925296992119,2cyclictest252087-21kworker/u16:2+flush-8:019:55:186
3925296992119,2cyclictest252087-21kworker/u16:2+flush-8:019:55:186
3925294992119,2cyclictest4095406-21kworker/u16:1+flush-8:016:53:275
3925294992119,2cyclictest39165-21kworker/u16:0+flush-8:018:04:315
3925294992118,2cyclictest271720-21kworker/u16:1+flush-8:019:58:355
3925291992119,2cyclictest271720-21kworker/u16:1+flush-8:019:53:274
3925291992119,2cyclictest271720-21kworker/u16:1+flush-8:019:53:274
3925300992019,0cyclictest0-21swapper/719:56:057
3925300992019,0cyclictest0-21swapper/719:56:057
3925300992019,0cyclictest0-21swapper/717:09:497
3925300992019,0cyclictest0-21swapper/715:53:197
3925300992019,0cyclictest0-21swapper/715:32:577
3925300992018,1cyclictest589482-21containerd18:23:057
3925294992018,2cyclictest4075888-21kworker/u16:2+flush-8:018:08:295
3925294992016,3cyclictest18633-21kworker/u16:3+flush-8:018:38:045
3925294992016,3cyclictest173896-21kworker/u16:0+events_unbound19:08:155
3925291992017,2cyclictest18633-21kworker/u16:3+flush-8:018:48:334
3925300991917,1cyclictest0-21swapper/715:45:017
3925300991913,5cyclictest589235-21systemd-journal18:33:037
3925296991917,2cyclictest252088-21kworker/u16:3+events_unbound19:32:296
3925294991917,2cyclictest124203-21kworker/u16:1+events_unbound19:23:325
3925294991915,3cyclictest410615-21kworker/u16:0+flush-8:020:58:035
3925291991917,2cyclictest4075888-21kworker/u16:2+flush-8:017:43:174
3925291991917,2cyclictest104155-21kworker/u16:8+events_unbound18:18:214
3925291991916,2cyclictest124203-21kworker/u16:1+flush-8:019:03:214
3925300991818,0cyclictest0-21swapper/720:17:267
3925300991817,0cyclictest0-21swapper/718:58:177
3925300991817,0cyclictest0-21swapper/717:43:447
3925300991817,0cyclictest0-21swapper/717:18:337
3925300991816,1cyclictest0-21swapper/716:58:197
3925294991816,2cyclictest3243089-21kworker/u16:2+events_unbound15:33:195
3925291991816,2cyclictest252087-21kworker/u16:2+events_unbound19:58:174
3925291991815,3cyclictest59280-21kworker/u16:5+events_unbound18:23:324
3925300991717,0cyclictest0-21swapper/717:27:507
3925300991716,0cyclictest0-21swapper/719:38:237
3925300991716,0cyclictest0-21swapper/719:31:297
3925300991716,0cyclictest0-21swapper/719:19:167
3925300991715,1cyclictest0-21swapper/716:40:297
3925294991715,2cyclictest4134009-21kworker/u16:0+flush-8:017:18:195
3925291991713,3cyclictest252087-21kworker/u16:2+flush-8:019:32:514
392529199170,17cyclictest0-21swapper/415:30:294
3925300991616,0cyclictest0-21swapper/720:31:097
3925300991616,0cyclictest0-21swapper/716:21:497
3925300991615,0cyclictest0-21swapper/720:33:537
3925300991615,0cyclictest0-21swapper/719:45:217
3925300991615,0cyclictest0-21swapper/719:23:267
3925300991615,0cyclictest0-21swapper/715:34:477
3925300991614,1cyclictest0-21swapper/720:18:297
3925294991614,2cyclictest4105460-21kworker/u16:0+events_unbound16:58:295
3925294991613,2cyclictest301791-21kworker/u16:0+flush-8:020:17:505
3925294991612,3cyclictest3979118-21kworker/u16:2+flush-8:015:58:345
3925291991614,2cyclictest4008481-21kworker/u16:4+flush-8:016:18:204
3925291991613,2cyclictest399921-21ntp_states20:48:284
3925300991515,0cyclictest0-21swapper/720:45:047
3925300991515,0cyclictest0-21swapper/720:42:307
3925300991514,1cyclictest0-21swapper/717:53:287
3925300991514,0cyclictest0-21swapper/717:52:507
3925300991514,0cyclictest0-21swapper/717:17:007
3925300991514,0cyclictest0-21swapper/715:42:307
3925300991512,2cyclictest1313-21snmpd20:27:137
3925300991510,4cyclictest4105538-21latency_hist16:58:047
3925294991513,2cyclictest320978-21kworker/u16:4+flush-8:020:48:265
392529499150,14cyclictest0-21swapper/516:13:215
3925291991513,2cyclictest301791-21kworker/u16:0+events_unbound20:28:174
3925291991513,2cyclictest173896-21kworker/u16:0+flush-8:019:13:334
3925291991512,2cyclictest3870350-21kworker/u16:1+events_unbound16:08:184
392530099146,7cyclictest0-21swapper/720:49:217
3925300991413,0cyclictest0-21swapper/719:17:207
3925300991411,2cyclictest1313-21snmpd20:08:277
3925294991413,1cyclictest0-21swapper/519:03:185
3925294991412,2cyclictest4056579-21kworker/u16:5+flush-8:016:38:325
3925294991412,2cyclictest4036628-21kworker/u16:0+flush-8:016:33:295
3925294991411,3cyclictest4105930-21kworker/u16:4+flush-8:017:03:185
3925294991410,3cyclictest320978-21kworker/u16:4+flush-8:020:34:565
3925291991412,2cyclictest4134009-21kworker/u16:0+flush-8:017:33:174
3925291991412,2cyclictest252087-21kworker/u16:2+events_unbound19:48:334
3925291991411,2cyclictest134297-21kworker/u16:2+flush-8:018:43:194
392529199140,13cyclictest0-21swapper/415:58:054
392530099139,3cyclictest589235-21systemd-journal17:38:037
392530099139,3cyclictest1313-21snmpd19:05:597
392530099133,8cyclictest0-21swapper/716:23:157
3925300991313,0cyclictest0-21swapper/716:03:157
3925300991310,2cyclictest1313-21snmpd18:56:387
3925294991312,1cyclictest0-21swapper/518:54:385
3925294991311,2cyclictest4095406-21kworker/u16:1+flush-8:017:08:305
3925294991310,2cyclictest134297-21kworker/u16:2+flush-8:018:58:185
392529499130,13cyclictest0-21swapper/520:28:265
3925291991312,1cyclictest0-21swapper/420:38:034
3925291991312,1cyclictest0-21swapper/417:55:034
3925291991312,1cyclictest0-21swapper/417:23:314
3925291991312,1cyclictest0-21swapper/415:48:184
3925291991311,2cyclictest4095406-21kworker/u16:1+events_unbound17:08:334
3925291991311,2cyclictest3948582-21kworker/u16:3+flush-8:015:53:214
3925291991311,2cyclictest371443-21kworker/u16:0+events_unbound20:43:314
3925300991212,0cyclictest0-21swapper/718:37:047
3925300991212,0cyclictest0-21swapper/717:58:497
392529499129,2cyclictest281804-21kworker/u16:3+flush-8:019:48:185
3925294991211,1cyclictest0-21swapper/517:14:505
392529199129,2cyclictest182095-21latency18:53:254
392529199128,3cyclictest4105460-21kworker/u16:0+flush-8:016:58:224
3925291991210,2cyclictest4007253-21kworker/u16:3+flush-8:016:13:294
392529199120,1cyclictest0-21swapper/419:47:464
392529199120,12cyclictest0-21swapper/416:40:204
392529199120,11cyclictest0-21swapper/420:23:054
392530099116,4cyclictest27763-21gvfs-afc-volume19:08:167
3925300991110,0cyclictest0-21swapper/719:33:207
3925294991110,1cyclictest0-21swapper/515:57:175
392529499110,11cyclictest0-21swapper/518:29:535
392529499110,11cyclictest0-21swapper/517:23:405
3925291991110,1cyclictest0-21swapper/420:55:524
3925291991110,1cyclictest0-21swapper/416:03:264
3925291991110,1cyclictest0-21swapper/415:33:104
392529199110,11cyclictest0-21swapper/419:01:254
392529199110,11cyclictest0-21swapper/418:33:594
392529199110,11cyclictest0-21swapper/418:29:444
392529199110,11cyclictest0-21swapper/416:50:064
392529199110,11cyclictest0-21swapper/416:34:014
392529199110,0cyclictest0-21swapper/417:40:144
392529499108,1cyclictest0-21swapper/518:18:245
392529499105,4cyclictest145218-21cat18:38:175
392529499100,0cyclictest0-21swapper/517:56:565
392529199108,1cyclictest0-21swapper/420:13:214
392529199108,1cyclictest0-21swapper/420:08:224
392529199108,1cyclictest0-21swapper/419:33:214
392529199107,2cyclictest144940-21diskstats18:38:154
392529199100,10cyclictest0-21swapper/416:43:574
39253009990,8cyclictest0-21swapper/716:13:227
39252949997,1cyclictest0-21swapper/520:43:255
39252949996,2cyclictest4007253-21kworker/u16:3+flush-8:016:18:185
39252919998,1cyclictest0-21swapper/419:18:554
39252919998,1cyclictest0-21swapper/417:28:174
39252919997,1cyclictest0-21swapper/417:48:194
39252919994,3cyclictest4037352-21cpuspeed16:23:154
39252949986,2cyclictest4105930-21kworker/u16:4+events_unbound17:38:195
39252949986,1cyclictest0-21swapper/519:33:245
39252949985,2cyclictest350801-21ntp_offset20:23:235
39252949984,3cyclictest30895-21cat17:58:205
39252949984,3cyclictest115535-21tune2fs18:23:215
39252949983,4cyclictest299968-21cut19:53:245
39252949983,4cyclictest299968-21cut19:53:245
39252919983,4cyclictest3960379-21cut15:43:244
39252949976,1cyclictest0-21swapper/520:18:495
39252949975,1cyclictest0-21swapper/517:33:195
39252949972,4cyclictest3950000-21sed15:38:195
39252919961,4cyclictest341876-21awk20:23:034
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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