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2026-07-29 - 14:46
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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 highest latencies:
System rackbslot6.osadl.org (updated Wed Jul 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1043621530,5sleep0447599cyclictest00:35:200
40421470,3sleep1448099cyclictest00:56:571
1068911010,3ptp4l401ktimersoftd/321:11:373
112002800,2sleep00-21swapper/000:01:520
321472790,2sleep10-21swapper/102:03:341
106891720,1ptp4l401ktimersoftd/300:26:213
106891690,1ptp4l401ktimersoftd/301:31:503
4480996858,4cyclictest25-21ksoftirqd/101:16:411
106891680,1ptp4l401ktimersoftd/302:07:373
4488996451,6cyclictest33-21ksoftirqd/202:16:412
41502644,10sleep00-21swapper/021:13:330
162112640,11sleep3401ktimersoftd/300:06:573
162112640,11sleep3401ktimersoftd/300:06:573
126652640,4sleep341-21ksoftirqd/301:43:243
4488996351,5cyclictest33-21ksoftirqd/223:26:402
257682630,2sleep20-21swapper/223:44:152
87392620,2sleep20-21swapper/200:00:252
4480996249,6cyclictest25-21ksoftirqd/122:56:411
235552620,1sleep20-21swapper/200:15:352
4488996150,5cyclictest33-21ksoftirqd/201:51:452
4488996150,5cyclictest33-21ksoftirqd/201:51:452
4488996147,6cyclictest33-21ksoftirqd/222:26:372
4488996050,5cyclictest33-21ksoftirqd/222:51:392
4480996050,4cyclictest25-21ksoftirqd/101:11:441
106891600,1ptp4l401ktimersoftd/302:26:053
3972590,3sleep30-21swapper/322:11:463
4488995846,6cyclictest33-21ksoftirqd/223:36:392
4480995844,7cyclictest25-21ksoftirqd/102:11:461
293422580,2sleep20-21swapper/201:26:572
4488995745,5cyclictest33-21ksoftirqd/202:36:432
4480995645,5cyclictest25-21ksoftirqd/123:41:391
20282540,2sleep10-21swapper/100:26:421
4480995344,4cyclictest25-21ksoftirqd/123:16:391
4488995138,5cyclictest33-21ksoftirqd/222:21:382
4480995039,6cyclictest25-21ksoftirqd/122:36:371
97872490,1sleep10-21swapper/101:41:301
4480994938,5cyclictest25-21ksoftirqd/121:46:361
4480994840,4cyclictest25-21ksoftirqd/122:16:381
4480994840,4cyclictest25-21ksoftirqd/122:16:381
4480994839,4cyclictest25-21ksoftirqd/101:41:431
4488994736,5cyclictest33-21ksoftirqd/221:21:382
4480994727,12cyclictest25-21ksoftirqd/123:36:431
4480994716,8cyclictest25-21ksoftirqd/123:06:441
106891460,1ptp4l19398-21kworker/3:200:34:313
106891460,13ptp4l19398-21kworker/3:202:39:223
448899444,3cyclictest33-21ksoftirqd/200:50:542
4488994337,3cyclictest33-21ksoftirqd/201:16:412
4480994332,5cyclictest25-21ksoftirqd/121:36:351
106891430,1ptp4l401ktimersoftd/302:27:003
106891430,1ptp4l401ktimersoftd/301:28:293
106891430,0ptp4l401ktimersoftd/300:59:123
4488994215,5cyclictest33-21ksoftirqd/222:11:522
4488994215,5cyclictest33-21ksoftirqd/200:01:402
106891420,1ptp4l401ktimersoftd/323:12:503
4488994134,4cyclictest33-21ksoftirqd/202:11:332
4480994121,5cyclictest25-21ksoftirqd/123:56:461
4493994021,4cyclictest41-21ksoftirqd/323:09:063
4488994027,3cyclictest33-21ksoftirqd/200:41:562
4488994015,7cyclictest33-21ksoftirqd/223:31:442
4488994014,8cyclictest33-21ksoftirqd/223:46:402
4488994012,9cyclictest33-21ksoftirqd/223:21:482
106891400,1ptp4l401ktimersoftd/301:06:003
106891400,1ptp4l401ktimersoftd/300:36:463
4488993925,3cyclictest33-21ksoftirqd/223:16:402
4488993917,7cyclictest33-21ksoftirqd/201:40:122
4488993914,4cyclictest33-21ksoftirqd/201:08:072
4480993918,3cyclictest25-21ksoftirqd/122:41:541
106891390,1ptp4l401ktimersoftd/302:43:243
4488993825,7cyclictest33-21ksoftirqd/200:06:522
4488993825,7cyclictest33-21ksoftirqd/200:06:522
4488993817,7cyclictest33-21ksoftirqd/201:46:292
4488993815,7cyclictest33-21ksoftirqd/200:51:592
247812380,2sleep00-21swapper/002:29:150
106891380,1ptp4l401ktimersoftd/323:53:103
106891380,1ptp4l401ktimersoftd/323:29:023
106891380,1ptp4l401ktimersoftd/323:21:583
106891380,1ptp4l401ktimersoftd/302:11:323
106891380,1ptp4l401ktimersoftd/301:47:173
106891380,1ptp4l401ktimersoftd/301:38:513
106891380,1ptp4l401ktimersoftd/301:08:293
106891380,1ptp4l401ktimersoftd/300:15:183
448899379,6cyclictest33-21ksoftirqd/223:11:412
4488993730,3cyclictest22903-21turbostat23:01:262
4488993723,4cyclictest33-21ksoftirqd/202:42:002
4488993711,4cyclictest33-21ksoftirqd/221:56:412
106891370,1ptp4l401ktimersoftd/323:34:313
106891370,1ptp4l401ktimersoftd/323:20:143
106891370,1ptp4l401ktimersoftd/302:35:263
106891370,1ptp4l401ktimersoftd/302:20:033
106891370,1ptp4l401ktimersoftd/302:02:343
106891370,1ptp4l401ktimersoftd/301:59:563
106891370,1ptp4l401ktimersoftd/301:20:253
106891370,1ptp4l401ktimersoftd/300:53:513
106891370,1ptp4l401ktimersoftd/300:49:033
106891370,0ptp4l401ktimersoftd/323:38:443
448899364,6cyclictest121rcu_preempt02:31:452
4488993623,3cyclictest33-21ksoftirqd/201:21:542
4488993622,11cyclictest33-21ksoftirqd/202:24:042
448899361,3cyclictest121rcu_preempt00:36:332
4480993617,7cyclictest25-21ksoftirqd/100:11:451
448099361,4cyclictest121rcu_preempt00:51:491
4480993612,4cyclictest25-21ksoftirqd/122:26:471
106891360,1ptp4l401ktimersoftd/323:05:553
106891360,1ptp4l401ktimersoftd/322:41:463
106891360,1ptp4l401ktimersoftd/300:28:193
106891360,1ptp4l401ktimersoftd/300:20:593
448899359,4cyclictest33-21ksoftirqd/200:19:462
4488993519,14cyclictest33-21ksoftirqd/201:32:062
4488993519,12cyclictest33-21ksoftirqd/222:21:252
4488993519,12cyclictest33-21ksoftirqd/222:21:252
448899351,7cyclictest121rcu_preempt02:06:502
4488993516,9cyclictest33-21ksoftirqd/221:21:242
4488993511,4cyclictest33-21ksoftirqd/202:01:592
4480993527,4cyclictest25-21ksoftirqd/100:21:421
4480993521,11cyclictest25-21ksoftirqd/100:41:451
4480993518,4cyclictest25-21ksoftirqd/123:36:261
4480993511,4cyclictest25-21ksoftirqd/102:36:461
106891350,1ptp4l401ktimersoftd/301:55:423
106891350,1ptp4l401ktimersoftd/301:55:423
106891350,1ptp4l401ktimersoftd/300:06:003
106891350,0ptp4l401ktimersoftd/322:06:463
106891350,0ptp4l401ktimersoftd/301:26:033
448899344,3cyclictest121rcu_preempt00:36:292
4488993428,3cyclictest33-21ksoftirqd/222:06:252
448899342,4cyclictest121rcu_preempt23:01:582
4488993420,11cyclictest33-21ksoftirqd/221:41:422
448899341,4cyclictest121rcu_preempt22:31:392
4488993411,12cyclictest33-21ksoftirqd/221:36:422
448899340,3cyclictest121rcu_preempt00:26:412
448099342,8cyclictest25-21ksoftirqd/102:46:321
448099342,3cyclictest121rcu_preempt00:36:281
106891340,1ptp4l401ktimersoftd/323:51:153
106891340,1ptp4l401ktimersoftd/323:44:443
106891340,1ptp4l401ktimersoftd/301:16:213
448899335,6cyclictest33-21ksoftirqd/223:51:422
448899334,6cyclictest121rcu_preempt01:56:432
4488993328,3cyclictest33-21ksoftirqd/201:03:342
4488993327,3cyclictest33-21ksoftirqd/221:31:242
4488993326,4cyclictest33-21ksoftirqd/200:21:452
4488993318,12cyclictest33-21ksoftirqd/221:51:512
4488993313,9cyclictest33-21ksoftirqd/222:36:422
448099338,4cyclictest25-21ksoftirqd/101:06:301
448099338,3cyclictest25-21ksoftirqd/123:21:401
448099336,3cyclictest25-21ksoftirqd/123:51:571
4480993321,3cyclictest25-21ksoftirqd/122:21:561
448099330,6cyclictest121rcu_preempt00:06:281
448899325,9cyclictest33-21ksoftirqd/201:46:542
4488993227,3cyclictest33-21ksoftirqd/200:56:392
4488993226,3cyclictest33-21ksoftirqd/221:46:402
4488993226,3cyclictest33-21ksoftirqd/201:11:482
4488993218,6cyclictest33-21ksoftirqd/202:31:192
448099327,4cyclictest25-21ksoftirqd/121:31:401
448099326,3cyclictest25-21ksoftirqd/123:31:271
448099323,3cyclictest121rcu_preempt01:56:301
448099323,3cyclictest121rcu_preempt01:56:301
4480993227,3cyclictest25-21ksoftirqd/121:56:241
4480993227,3cyclictest25-21ksoftirqd/121:26:241
4480993227,3cyclictest25-21ksoftirqd/102:36:311
4480993226,3cyclictest25-21ksoftirqd/121:31:241
4480993226,3cyclictest25-21ksoftirqd/102:11:301
4480993226,3cyclictest25-21ksoftirqd/100:06:581
4480993226,3cyclictest25-21ksoftirqd/100:06:581
4480993218,3cyclictest25-21ksoftirqd/122:46:551
448099320,5cyclictest121rcu_preempt01:51:291
28512326,10sleep10-21swapper/121:11:411
1452913224,3phc2sys41-21ksoftirqd/322:51:483
106891320,0ptp4l401ktimersoftd/300:46:153
4488993125,3cyclictest33-21ksoftirqd/222:06:252
4488993125,3cyclictest33-21ksoftirqd/221:16:242
4488993119,3cyclictest33-21ksoftirqd/223:06:432
448099316,4cyclictest25-21ksoftirqd/101:28:591
448099316,3cyclictest121rcu_preempt00:21:281
4480993125,3cyclictest25-21ksoftirqd/101:06:471
4480993117,11cyclictest25-21ksoftirqd/121:41:421
448099311,6cyclictest121rcu_preempt02:26:331
448099311,3cyclictest121rcu_preempt23:46:561
448099311,3cyclictest121rcu_preempt02:26:311
447599313,15cyclictest30020-21diskmemload23:46:390
448899302,4cyclictest121rcu_preempt21:31:532
4488993010,7cyclictest33-21ksoftirqd/222:46:492
4480993025,3cyclictest25-21ksoftirqd/123:01:461
4480993025,3cyclictest25-21ksoftirqd/100:46:291
4480993024,3cyclictest25-21ksoftirqd/122:06:241
4480993024,3cyclictest25-21ksoftirqd/102:16:471
4480993024,3cyclictest25-21ksoftirqd/101:31:451
448099301,3cyclictest121rcu_preempt01:21:491
4480993012,6cyclictest25-21ksoftirqd/122:51:451
448899298,7cyclictest33-21ksoftirqd/222:41:432
4480992924,3cyclictest25-21ksoftirqd/101:56:521
4480992923,4cyclictest25-21ksoftirqd/100:36:391
4480992923,3cyclictest25-21ksoftirqd/122:06:251
4480992923,3cyclictest25-21ksoftirqd/121:16:431
448099283,3cyclictest121rcu_preempt23:11:391
4480992823,3cyclictest25-21ksoftirqd/122:31:261
4480992823,3cyclictest25-21ksoftirqd/122:11:471
106891280,1ptp4l401ktimersoftd/322:03:583
4493992721,3cyclictest41-21ksoftirqd/300:00:423
4493992720,4cyclictest41-21ksoftirqd/321:43:283
4480992721,3cyclictest25-21ksoftirqd/121:56:411
4475992720,4cyclictest9-21ksoftirqd/022:51:260
106891270,0ptp4l401ktimersoftd/322:57:083
4493992620,3cyclictest41-21ksoftirqd/322:33:353
4475992620,3cyclictest9-21ksoftirqd/023:26:470
4475992620,3cyclictest9-21ksoftirqd/022:30:260
4475992619,4cyclictest9-21ksoftirqd/022:45:520
247252260,3sleep0111rcuc/000:16:410
106891260,1ptp4l401ktimersoftd/322:40:043
106891260,1ptp4l401ktimersoftd/322:23:113
106891260,1ptp4l401ktimersoftd/321:28:253
106891260,11ptp4l401ktimersoftd/322:48:333
45112250,2sleep00-21swapper/023:21:570
4493992518,4cyclictest41-21ksoftirqd/321:55:523
4475992521,2cyclictest9-21ksoftirqd/021:21:240
4475992518,4cyclictest9-21ksoftirqd/022:23:230
106891250,0ptp4l401ktimersoftd/322:30:043
106891250,0ptp4l401ktimersoftd/321:31:313
4475992419,3cyclictest9-21ksoftirqd/022:41:250
4475992418,3cyclictest9-21ksoftirqd/022:32:350
447599241,4cyclictest6139-21ssh01:03:130
182162240,2sleep00-21swapper/001:49:360
106891240,1ptp4l401ktimersoftd/322:16:423
106891240,1ptp4l401ktimersoftd/322:16:423
106891240,1ptp4l401ktimersoftd/321:56:383
106891240,1ptp4l401ktimersoftd/321:36:473
106891240,1ptp4l401ktimersoftd/321:21:383
106891240,1ptp4l401ktimersoftd/321:16:523
4475992317,3cyclictest9-21ksoftirqd/023:20:280
4475992317,3cyclictest9-21ksoftirqd/022:06:350
4475992317,3cyclictest9-21ksoftirqd/002:43:160
4475992316,4cyclictest24127-21grep23:01:470
447599231,3cyclictest19610-21snmp_o5powerctl01:16:560
106891230,1ptp4l401ktimersoftd/321:46:443
447599222,17cyclictest8208-21sed21:21:410
4475992217,3cyclictest9-21ksoftirqd/023:51:430
4475992217,3cyclictest9-21ksoftirqd/001:56:480
4475992216,3cyclictest9-21ksoftirqd/023:07:110
4475992215,4cyclictest21017-21sendmail00:46:280
447599221,4cyclictest17075-21diskstats02:21:470
447599221,2cyclictest0-21swapper/021:44:410
447599221,19cyclictest0-21swapper/021:27:120
447599221,18cyclictest25429-21tail21:56:450
447599220,20cyclictest0-21swapper/021:34:030
227312220,2sleep00-21swapper/001:54:020
227312220,2sleep00-21swapper/001:54:020
447599212,11cyclictest23021-21ssh01:21:430
4475992116,3cyclictest9-21ksoftirqd/023:45:500
4475992116,3cyclictest9-21ksoftirqd/001:26:470
4475992116,3cyclictest19640-21apt-get21:46:370
4475992115,4cyclictest15197-21sed00:06:440
4475992115,4cyclictest15197-21sed00:06:440
4475992115,3cyclictest9-21ksoftirqd/023:15:490
4475992115,3cyclictest9-21ksoftirqd/022:20:130
4475992115,3cyclictest9-21ksoftirqd/022:20:130
4475992115,3cyclictest9-21ksoftirqd/000:39:540
4475992114,4cyclictest31938-21sh02:36:480
4475992114,4cyclictest17587-21/usr/sbin/munin23:36:410
447599211,3cyclictest21332-21ssh00:46:380
4475992113,3cyclictest9-21ksoftirqd/002:31:520
447599211,18cyclictest0-21swapper/001:00:210
4475992015,3cyclictest9-21ksoftirqd/023:56:450
4475992014,3cyclictest9-21ksoftirqd/022:59:290
4475992014,3cyclictest9-21ksoftirqd/002:08:030
4475992014,3cyclictest22781-21sh00:14:150
4475992014,3cyclictest18401-21/usr/sbin/munin22:51:460
4475992013,4cyclictest9789-21latency_hist01:41:300
4475992013,4cyclictest30020-21diskmemload02:04:460
4475992013,4cyclictest30020-21diskmemload00:23:310
4475992013,4cyclictest13099-21tail02:16:510
447599201,2cyclictest0-21swapper/001:31:500
447599201,17cyclictest0-21swapper/021:37:530
447599201,17cyclictest0-21swapper/002:13:430
447599200,18cyclictest0-21swapper/022:15:540
114732200,2sleep00-21swapper/001:41:570
4475991914,3cyclictest9-21ksoftirqd/000:26:500
4475991914,3cyclictest22661-21irqrtprio21:51:450
4475991913,3cyclictest30020-21diskmemload00:52:120
4475991912,4cyclictest14318-21date23:31:540
4475991912,4cyclictest13403-21cpuspeed_turbos01:11:450
447599180,17cyclictest0-21swapper/001:07:300
447599180,16cyclictest0-21swapper/022:01:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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