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2026-05-19 - 19:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Tue May 19, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1917321400,6sleep00-21swapper/008:32:510
1068911010,3ptp4l401ktimersoftd/308:34:273
190632680,2sleep00-21swapper/011:47:330
106891660,2ptp4l401ktimersoftd/312:16:023
106891660,1ptp4l401ktimersoftd/312:27:593
148282650,2sleep10-21swapper/112:15:081
286322590,4sleep02008599cyclictest11:23:040
199722554,10sleep20-21swapper/208:37:262
189742550,2sleep20-21swapper/209:37:592
184412550,2sleep00-21swapper/012:51:450
106891550,1ptp4l401ktimersoftd/311:50:253
2009099486,17cyclictest16343-21cat11:12:321
199372446,10sleep10-21swapper/108:37:011
327352420,1sleep10-21swapper/113:04:591
2009099424,17cyclictest3077-21snmp_o5powerctl10:57:571
2009099424,17cyclictest3077-21snmp_o5powerctl10:57:571
106891410,1ptp4l401ktimersoftd/309:27:533
2009099405,9cyclictest8230-21snmp_o5powerctl12:07:591
106891400,1ptp4l401ktimersoftd/313:47:513
2009099395,8cyclictest3250-21snmp_o5powerctl12:03:001
106891390,1ptp4l401ktimersoftd/314:05:353
106891390,1ptp4l401ktimersoftd/311:20:113
106891390,1ptp4l401ktimersoftd/311:10:293
106891380,1ptp4l401ktimersoftd/313:44:453
106891380,1ptp4l401ktimersoftd/313:40:393
106891380,1ptp4l401ktimersoftd/312:26:533
106891380,1ptp4l401ktimersoftd/312:11:303
106891380,1ptp4l401ktimersoftd/312:02:253
106891380,1ptp4l401ktimersoftd/311:03:113
106891380,1ptp4l401ktimersoftd/311:00:233
106891380,1ptp4l401ktimersoftd/311:00:233
106891380,1ptp4l401ktimersoftd/310:47:303
2009099375,9cyclictest6194-21snmp_o5powerctl13:43:021
2009099374,8cyclictest22300-21ssh11:49:591
106891370,2ptp4l25333-21kworker/3:012:39:113
106891370,1ptp4l401ktimersoftd/313:10:413
106891370,1ptp4l401ktimersoftd/313:05:043
106891370,1ptp4l401ktimersoftd/313:02:153
106891370,1ptp4l401ktimersoftd/312:53:183
106891370,1ptp4l401ktimersoftd/312:18:373
106891370,1ptp4l401ktimersoftd/312:05:133
106891370,1ptp4l401ktimersoftd/311:43:063
106891370,1ptp4l401ktimersoftd/311:39:153
106891370,1ptp4l401ktimersoftd/311:36:193
106891370,1ptp4l401ktimersoftd/311:24:153
106891370,1ptp4l401ktimersoftd/310:42:173
2009099364,8cyclictest8463-21apt-get10:27:321
106891360,1ptp4l401ktimersoftd/313:53:163
106891360,1ptp4l401ktimersoftd/313:36:213
106891360,1ptp4l401ktimersoftd/313:28:093
106891360,1ptp4l401ktimersoftd/313:13:093
106891360,1ptp4l401ktimersoftd/312:35:263
106891360,1ptp4l401ktimersoftd/311:54:133
106891360,1ptp4l401ktimersoftd/311:17:203
106891360,0ptp4l401ktimersoftd/310:50:573
106891360,0ptp4l401ktimersoftd/309:12:543
106891360,0ptp4l401ktimersoftd/309:12:543
2009099359,9cyclictest15296-21snmp_o5powerctl10:37:561
2009099357,14cyclictest12688-21ssh12:45:291
2009099357,14cyclictest12688-21ssh12:45:291
2009099356,14cyclictest1061-21ssh10:57:181
106891350,1ptp4l401ktimersoftd/312:43:023
106891350,1ptp4l401ktimersoftd/312:43:023
106891350,1ptp4l401ktimersoftd/310:53:493
106891350,0ptp4l401ktimersoftd/312:49:083
2009099349,9cyclictest27171-21diskstats12:27:491
2009099346,14cyclictest30528-21ssh11:26:131
2009099345,18cyclictest25043-21sed10:47:481
106891340,1ptp4l401ktimersoftd/314:01:513
2009099336,14cyclictest1331-21ssh12:02:311
2009099336,13cyclictest6190-21ssh13:11:271
2009099334,13cyclictest257172chrt13:30:481
20090993319,6cyclictest16574-21apt-get11:12:441
20090993318,10cyclictest24761-21apt-get12:57:461
2009099322,17cyclictest0-21swapper/111:02:521
106891320,1ptp4l401ktimersoftd/313:27:013
106891320,1ptp4l401ktimersoftd/313:22:203
106891320,1ptp4l401ktimersoftd/309:46:483
106891320,1ptp4l401ktimersoftd/309:17:573
106891320,0ptp4l401ktimersoftd/310:04:243
20098993123,4cyclictest33-21ksoftirqd/211:27:032
2009099316,8cyclictest31606-21ssh11:27:361
20090993110,18cyclictest7992-21grep10:23:021
106891310,1ptp4l401ktimersoftd/308:39:033
221272300,18sleep09-21ksoftirqd/010:45:020
20098993023,4cyclictest10037-21cron09:22:292
20098993018,6cyclictest321ktimersoftd/208:42:412
2009099305,14cyclictest13424-21diskmemload11:56:131
2009099303,12cyclictest0-21swapper/110:12:421
20090993019,6cyclictest19835-21apt-get09:42:421
20090993019,5cyclictest24934-21apt-get14:02:491
2009099301,10cyclictest0-21swapper/112:18:091
2008599306,14cyclictest17264-21ssh13:22:490
106891300,1ptp4l401ktimersoftd/310:26:583
106891300,0ptp4l401ktimersoftd/309:04:523
20105992922,4cyclictest41-21ksoftirqd/309:57:073
2009899293,17cyclictest24254-21ssh11:52:452
20098992924,3cyclictest33-21ksoftirqd/209:27:292
20098992918,6cyclictest321ktimersoftd/208:52:412
2009099296,8cyclictest6417-21ssh11:33:261
2009099295,7cyclictest11739-21ssh13:17:241
2009099295,21cyclictest0-21swapper/112:35:221
2009099293,11cyclictest0-21swapper/110:02:441
2009099292,17cyclictest0-21swapper/113:18:391
106891290,1ptp4l401ktimersoftd/309:01:473
106891290,10ptp4l401ktimersoftd/308:44:023
106891290,0ptp4l401ktimersoftd/309:58:383
20098992822,3cyclictest33-21ksoftirqd/213:42:522
20098992822,3cyclictest33-21ksoftirqd/212:57:512
20098992822,3cyclictest33-21ksoftirqd/212:48:022
20098992822,3cyclictest33-21ksoftirqd/212:47:332
20098992822,3cyclictest33-21ksoftirqd/212:47:332
20098992822,3cyclictest33-21ksoftirqd/212:17:522
2009099289,16cyclictest25591-21rm12:26:081
2009099285,8cyclictest7828-21ssh12:40:411
20090992811,14cyclictest26351-21apt11:22:321
20090992810,15cyclictest28897-21rm13:33:031
20085992823,3cyclictest9-21ksoftirqd/010:27:300
20085992822,3cyclictest9-21ksoftirqd/013:32:250
20085992822,3cyclictest9-21ksoftirqd/012:57:520
106891280,9ptp4l401ktimersoftd/310:15:163
106891280,1ptp4l401ktimersoftd/310:17:553
106891280,0ptp4l401ktimersoftd/310:09:213
5272270,4sleep0111rcuc/010:07:520
268612271,3sleep326978-21ptp4l08:47:513
2009899275,12cyclictest27206-21ssh13:32:462
20098992722,3cyclictest33-21ksoftirqd/214:02:512
20098992722,3cyclictest33-21ksoftirqd/212:22:502
20098992722,3cyclictest33-21ksoftirqd/211:17:322
20098992721,3cyclictest33-21ksoftirqd/208:42:282
20098992720,4cyclictest33-21ksoftirqd/211:57:432
20098992714,7cyclictest28331-21sh12:27:582
2009099279,14cyclictest17107-21rm13:22:411
20090992713,8cyclictest14298-1kworker/u9:213:37:471
20090992711,11cyclictest0-21swapper/109:32:401
20090992710,14cyclictest14151-21ssh11:42:391
20090992710,14cyclictest11760-21rm11:39:031
2008599272,19cyclictest0-21swapper/012:17:460
106891270,0ptp4l401ktimersoftd/309:11:043
106891270,0ptp4l401ktimersoftd/309:11:043
20098992621,3cyclictest33-21ksoftirqd/213:37:512
20098992620,3cyclictest33-21ksoftirqd/212:52:452
20098992620,3cyclictest33-21ksoftirqd/210:34:392
20098992619,4cyclictest33-21ksoftirqd/209:45:582
20098992619,4cyclictest16165-21idleruntime-cro11:12:312
2009099269,14cyclictest29397-21wc08:52:521
2009099269,14cyclictest21450-21rm12:53:061
2009099265,5cyclictest0-21swapper/109:52:481
20090992614,9cyclictest23655-21munin-run10:47:301
20090992613,9cyclictest16627-21grep13:53:041
20090992611,11cyclictest19196-21cat12:52:341
20090992611,10cyclictest0-21swapper/109:12:411
20090992611,10cyclictest0-21swapper/109:12:411
2009099260,8cyclictest0-21swapper/109:37:561
2008599264,12cyclictest6587-21ssh11:02:420
106891260,10ptp4l401ktimersoftd/309:50:003
106891260,0ptp4l401ktimersoftd/309:38:223
20105992518,4cyclictest41-21ksoftirqd/310:32:083
2009899253,14cyclictest22241-21chrt09:47:432
20098992518,4cyclictest33-21ksoftirqd/212:32:482
20090992514,8cyclictest32165-21grep10:07:461
20090992513,9cyclictest27100-21snmp_o5powerctl08:47:541
20090992513,9cyclictest11204-21/usr/sbin/munin13:47:561
20090992512,10cyclictest31353-21ps08:57:461
20090992512,10cyclictest12439-21idleruntime-cro09:27:291
20090992511,9cyclictest0-21swapper/113:57:501
20090992511,10cyclictest22584-21latency_hist08:42:281
2009099250,9cyclictest0-21swapper/109:47:541
20085992518,4cyclictest9-21ksoftirqd/010:31:010
20085992518,4cyclictest9-21ksoftirqd/008:55:180
106891250,0ptp4l401ktimersoftd/309:25:593
106891250,0ptp4l401ktimersoftd/308:55:113
2009899243,13cyclictest4409-21ssh12:37:462
20098992418,3cyclictest33-21ksoftirqd/212:02:582
20098992418,3cyclictest33-21ksoftirqd/210:23:312
20098992417,4cyclictest33-21ksoftirqd/210:59:572
20098992417,4cyclictest33-21ksoftirqd/210:59:572
2009099244,17cyclictest3700-21sed09:07:431
2009099244,17cyclictest3700-21sed09:07:431
20090992418,4cyclictest25-21ksoftirqd/109:59:141
20090992414,7cyclictest8133-21cpuspeed_turbos09:17:421
20090992412,8cyclictest856-21chrt09:02:411
2008599242,14cyclictest11591-21ssh11:07:430
20085992419,3cyclictest9-21ksoftirqd/012:57:340
20085992419,3cyclictest9-21ksoftirqd/012:32:590
20085992419,3cyclictest9-21ksoftirqd/011:50:300
20085992418,3cyclictest9-21ksoftirqd/012:02:480
20085992418,3cyclictest9-21ksoftirqd/009:02:290
20085992417,4cyclictest9-21ksoftirqd/010:01:260
20085992417,4cyclictest9-21ksoftirqd/009:41:140
20085992417,4cyclictest9-21ksoftirqd/009:18:380
20085992417,4cyclictest6963-21ssh11:34:210
20085992417,4cyclictest26824-21grep08:47:490
106891240,1ptp4l401ktimersoftd/311:27:443
106891240,1ptp4l401ktimersoftd/310:32:443
106891240,1ptp4l401ktimersoftd/309:35:453
20098992318,3cyclictest33-21ksoftirqd/211:44:392
20098992318,3cyclictest33-21ksoftirqd/209:31:082
20098992317,3cyclictest33-21ksoftirqd/211:33:302
20098992317,3cyclictest33-21ksoftirqd/211:17:562
20098992316,4cyclictest33-21ksoftirqd/210:14:532
20098992314,5cyclictest11649-21acpi12:12:452
20098992312,8cyclictest21677-21ssh13:27:232
20098992310,10cyclictest1055-21runrttasks13:49:342
20090992312,8cyclictest4126-21grep10:17:431
20090992312,8cyclictest13473-21ssh10:37:301
20090992312,8cyclictest13091-21tune2fs09:27:451
20090992311,9cyclictest23819-21sed08:42:451
2008599232,13cyclictest24860-21kworker/u8:213:17:460
20085992317,3cyclictest9-21ksoftirqd/009:32:270
20085992316,4cyclictest9-21ksoftirqd/010:13:340
152842230,4sleep2321ktimersoftd/213:20:012
11682231,3sleep01178-21ssh12:02:150
20098992217,3cyclictest33-21ksoftirqd/211:40:232
20098992217,3cyclictest33-21ksoftirqd/210:47:432
20098992216,3cyclictest33-21ksoftirqd/213:54:582
20098992216,3cyclictest33-21ksoftirqd/210:03:192
20098992216,3cyclictest33-21ksoftirqd/209:14:452
20098992216,3cyclictest33-21ksoftirqd/209:14:452
20098992215,4cyclictest33-21ksoftirqd/209:07:362
20098992215,4cyclictest33-21ksoftirqd/209:07:362
20098992215,4cyclictest32322-21tail08:57:572
20098992215,4cyclictest19898-21basename13:57:482
2009899221,18cyclictest7272-21apt-get13:12:462
20085992217,3cyclictest9-21ksoftirqd/013:32:580
20085992217,3cyclictest9-21ksoftirqd/010:38:000
20085992216,3cyclictest9-21ksoftirqd/012:44:580
20085992216,3cyclictest9-21ksoftirqd/012:44:580
20085992216,3cyclictest9-21ksoftirqd/012:07:490
20085992216,3cyclictest9-21ksoftirqd/010:56:340
20085992216,3cyclictest9-21ksoftirqd/009:07:450
20085992216,3cyclictest9-21ksoftirqd/009:07:450
20085992216,3cyclictest9-21ksoftirqd/009:04:570
20085992215,4cyclictest9-21ksoftirqd/010:34:140
20085992215,4cyclictest28376-21sh14:05:450
20085992215,4cyclictest26802-21/usr/sbin/munin12:27:500
20098992116,3cyclictest33-21ksoftirqd/212:11:202
20098992116,3cyclictest33-21ksoftirqd/211:49:112
20098992116,3cyclictest33-21ksoftirqd/210:52:472
20098992116,3cyclictest33-21ksoftirqd/210:40:172
20098992115,3cyclictest4117-21head13:08:042
20098992115,3cyclictest33-21ksoftirqd/210:02:302
20098992115,3cyclictest33-21ksoftirqd/209:05:102
2008599215,6cyclictest1055-21runrttasks13:10:360
20085992116,3cyclictest9-21ksoftirqd/012:37:520
20085992114,4cyclictest9-21ksoftirqd/010:21:210
20085992113,4cyclictest25121-21missed_timers10:47:490
20098992015,3cyclictest33-21ksoftirqd/213:03:022
20098992014,3cyclictest5485-21sed10:17:592
20098992014,3cyclictest33-21ksoftirqd/208:49:072
20098992013,4cyclictest785-21cat10:07:582
20098992013,4cyclictest6670-21sh11:02:442
20098992013,4cyclictest372-21wc11:27:522
20098992013,4cyclictest22935-21sh13:27:532
20098992012,5cyclictest19229-21cstates10:42:452
2008599209,9cyclictest101ktimersoftd/011:30:150
2008599202,15cyclictest24703-21tail11:52:490
20085992015,3cyclictest9-21ksoftirqd/009:50:100
20085992015,3cyclictest9-21ksoftirqd/009:12:490
20085992015,3cyclictest9-21ksoftirqd/009:12:490
20085992014,4cyclictest9-21ksoftirqd/009:45:480
20085992014,4cyclictest15432-21tail13:52:510
20085992014,3cyclictest9-21ksoftirqd/013:48:340
20085992014,3cyclictest9-21ksoftirqd/010:05:390
20085992014,3cyclictest9-21ksoftirqd/009:34:050
20085992013,4cyclictest30358-21if_err_enp1s013:02:500
20085992013,4cyclictest22580-21munin-node08:42:320
20085992013,4cyclictest13424-21diskmemload11:13:000
20085992013,4cyclictest1055-21runrttasks09:22:450
2009899191,15cyclictest17179-21idleruntime-cro09:37:292
20098991911,4cyclictest9306-21fschecks_count10:27:482
20085991913,4cyclictest25878-21sh12:26:370
20085991913,3cyclictest9-21ksoftirqd/013:15:500
20085991913,3cyclictest26311-21seq09:53:070
20085991912,4cyclictest13424-21diskmemload13:59:100
20085991912,4cyclictest13424-21diskmemload13:38:560
20085991912,4cyclictest13424-21diskmemload11:40:240
20085991912,4cyclictest1-21systemd08:42:280
20085991912,3cyclictest9-21ksoftirqd/010:59:470
20085991912,3cyclictest9-21ksoftirqd/010:59:470
20085991812,3cyclictest13424-21diskmemload11:17:510
20085991812,3cyclictest11918-21cat12:12:470
20085991810,5cyclictest4714-21apt-get13:42:470
2009899171,5cyclictest24604-21apt-get09:52:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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