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2026-09-03 - 11:31
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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 Thu Sep 03, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36221810,3sleep0170999cyclictest00:14:430
3190721750,4sleep233-21ksoftirqd/221:31:272
3276121610,4sleep2171999cyclictest01:21:262
164121580,5sleep0170999cyclictest02:27:490
2411821550,3sleep2171999cyclictest23:26:482
1068911050,35ptp4l401ktimersoftd/321:32:233
96652830,2sleep20-21swapper/222:56:452
1723997664,5cyclictest41-21ksoftirqd/300:11:313
303052670,2sleep30-21swapper/300:45:303
1723996753,6cyclictest41-21ksoftirqd/301:01:333
324662644,47sleep00-21swapper/021:31:340
270562640,5sleep0170999cyclictest02:21:390
106891620,1ptp4l401ktimersoftd/301:53:483
316542590,2sleep10-21swapper/102:58:531
1723995949,5cyclictest41-21ksoftirqd/323:51:323
1723995947,5cyclictest41-21ksoftirqd/302:31:383
1723995945,7cyclictest41-21ksoftirqd/323:31:313
1723995945,7cyclictest41-21ksoftirqd/323:31:313
106891590,1ptp4l401ktimersoftd/300:39:513
105292590,3sleep30-21swapper/301:31:353
64152580,3sleep3172399cyclictest00:53:213
132792580,2sleep30-21swapper/302:06:443
1723995728,3cyclictest41-21ksoftirqd/300:21:303
1723995647,5cyclictest41-21ksoftirqd/302:36:353
1723995646,5cyclictest41-21ksoftirqd/300:56:313
1723995446,4cyclictest41-21ksoftirqd/322:01:283
1723995343,4cyclictest41-21ksoftirqd/322:06:283
1723995241,6cyclictest41-21ksoftirqd/302:01:343
1723995239,7cyclictest41-21ksoftirqd/322:11:303
1713995224,7cyclictest25-21ksoftirqd/123:41:391
1713995224,7cyclictest25-21ksoftirqd/101:05:341
1713995221,9cyclictest25-21ksoftirqd/101:54:541
1713995220,11cyclictest25-21ksoftirqd/101:34:121
312152510,3sleep341-21ksoftirqd/323:40:013
1723995112,5cyclictest41-21ksoftirqd/301:16:373
1723995112,5cyclictest41-21ksoftirqd/301:16:373
1713995020,11cyclictest25-21ksoftirqd/101:07:341
1713995020,10cyclictest25-21ksoftirqd/101:37:291
1723994939,5cyclictest41-21ksoftirqd/321:36:283
106891490,1ptp4l401ktimersoftd/300:29:593
1713994818,8cyclictest25-21ksoftirqd/100:45:461
106891480,1ptp4l401ktimersoftd/301:23:183
1713994722,4cyclictest25-21ksoftirqd/123:01:331
1713994720,10cyclictest25-21ksoftirqd/101:50:301
1713994718,10cyclictest25-21ksoftirqd/100:09:581
1723994639,3cyclictest41-21ksoftirqd/302:26:273
171399464,6cyclictest25-21ksoftirqd/102:50:241
1713994622,9cyclictest25-21ksoftirqd/122:06:341
1713994620,6cyclictest25-21ksoftirqd/101:27:311
1713994618,10cyclictest25-21ksoftirqd/101:57:021
1713994617,9cyclictest25-21ksoftirqd/102:45:371
170999463,7cyclictest0-21swapper/023:56:300
106891460,1ptp4l401ktimersoftd/323:58:263
1723994534,5cyclictest41-21ksoftirqd/321:46:283
1723994534,5cyclictest41-21ksoftirqd/321:46:283
1723994521,4cyclictest41-21ksoftirqd/323:01:473
171399456,7cyclictest25-21ksoftirqd/101:12:091
1723994434,3cyclictest41-21ksoftirqd/321:46:153
1723994434,3cyclictest41-21ksoftirqd/321:46:153
1723994434,3cyclictest41-21ksoftirqd/302:41:433
171399444,7cyclictest25-21ksoftirqd/100:50:171
171399443,7cyclictest25-21ksoftirqd/100:21:371
171399443,6cyclictest25-21ksoftirqd/123:26:181
1713994417,9cyclictest25-21ksoftirqd/102:37:301
1713994416,8cyclictest25-21ksoftirqd/102:25:481
1713994416,8cyclictest25-21ksoftirqd/102:07:141
1713994412,7cyclictest25-21ksoftirqd/102:26:531
170999443,6cyclictest0-21swapper/001:51:340
171399437,5cyclictest25-21ksoftirqd/100:55:121
171399434,6cyclictest25-21ksoftirqd/123:56:191
1713994317,8cyclictest25-21ksoftirqd/102:14:451
1713994317,6cyclictest25-21ksoftirqd/100:21:071
1713994315,10cyclictest25-21ksoftirqd/123:55:241
1723994236,3cyclictest41-21ksoftirqd/300:31:313
1723994217,4cyclictest41-21ksoftirqd/323:46:343
1723994210,10cyclictest41-21ksoftirqd/300:46:473
171399421,7cyclictest25-21ksoftirqd/101:16:381
171399421,7cyclictest25-21ksoftirqd/101:16:381
1713994214,8cyclictest25-21ksoftirqd/100:38:411
171399420,8cyclictest25-21ksoftirqd/103:01:401
170999423,11cyclictest32412-21ssh23:41:330
1723994131,3cyclictest41-21ksoftirqd/322:26:473
172399410,3cyclictest41-21ksoftirqd/301:11:333
171399414,7cyclictest25-21ksoftirqd/123:49:591
170999413,8cyclictest26310-21apt-get00:41:300
1709994116,4cyclictest7484-21cpuspeed_turbos21:46:290
1709994116,4cyclictest7484-21cpuspeed_turbos21:46:290
1709994112,4cyclictest22115-21grep02:16:390
1723994032,4cyclictest41-21ksoftirqd/321:56:283
1723994027,6cyclictest41-21ksoftirqd/302:16:393
1723994026,3cyclictest41-21ksoftirqd/300:16:403
1723994017,4cyclictest41-21ksoftirqd/301:28:523
1723994016,4cyclictest41-21ksoftirqd/301:42:043
1723994016,3cyclictest41-21ksoftirqd/303:06:233
171999401,3cyclictest121rcu_preempt02:56:232
171399404,7cyclictest25-21ksoftirqd/100:27:201
171399403,6cyclictest25-21ksoftirqd/123:38:441
171399400,7cyclictest25-21ksoftirqd/102:16:441
170999403,9cyclictest6827-21ssh00:21:310
170999402,6cyclictest0-21swapper/021:51:280
1709994014,4cyclictest19202-21sh02:12:480
1709994011,4cyclictest15431-21latency22:01:350
1723993922,7cyclictest41-21ksoftirqd/322:51:373
1723993919,3cyclictest41-21ksoftirqd/322:16:353
172399391,7cyclictest41-21ksoftirqd/323:21:463
1723993916,7cyclictest41-21ksoftirqd/302:59:573
1723993916,4cyclictest41-21ksoftirqd/302:47:123
1723993915,4cyclictest41-21ksoftirqd/323:06:383
171399392,6cyclictest25-21ksoftirqd/102:31:261
1713993920,9cyclictest25-21ksoftirqd/122:51:341
171399391,6cyclictest25-21ksoftirqd/100:01:401
1709993913,3cyclictest21696-21expr00:36:380
1709993911,4cyclictest3054-21processes00:16:460
1709993910,4cyclictest9254-21cpuspeed_turbos02:36:360
172399383,3cyclictest121rcu_preempt02:12:303
1723993827,3cyclictest41-21ksoftirqd/323:41:493
1723993827,3cyclictest41-21ksoftirqd/301:46:423
1723993819,10cyclictest41-21ksoftirqd/301:36:483
1723993813,4cyclictest41-21ksoftirqd/302:55:033
171399383,7cyclictest25-21ksoftirqd/100:16:201
1713993822,7cyclictest25-21ksoftirqd/122:31:361
1713993819,9cyclictest25-21ksoftirqd/121:51:421
171399380,6cyclictest25-21ksoftirqd/102:01:361
1709993818,17cyclictest9-21ksoftirqd/022:39:520
1709993816,3cyclictest9-21ksoftirqd/022:12:510
1709993815,4cyclictest9-21ksoftirqd/022:09:130
1709993812,4cyclictest27055-21diskmemload01:48:520
11872383,20sleep131905-21/usr/sbin/munin21:31:551
106891380,1ptp4l401ktimersoftd/300:03:323
1723993713,4cyclictest41-21ksoftirqd/300:07:473
171399372,5cyclictest25-21ksoftirqd/123:15:501
1713993721,7cyclictest25-21ksoftirqd/121:46:341
1713993721,7cyclictest25-21ksoftirqd/121:46:341
171399371,6cyclictest25-21ksoftirqd/121:36:291
1709993713,3cyclictest27055-21diskmemload01:31:560
1709993713,3cyclictest26721-21sh00:07:350
106891370,1ptp4l401ktimersoftd/301:11:043
106891370,0ptp4l401ktimersoftd/302:25:473
1723993630,3cyclictest41-21ksoftirqd/323:01:173
1723993626,3cyclictest41-21ksoftirqd/301:56:503
1723993625,3cyclictest41-21ksoftirqd/322:46:493
1723993622,11cyclictest41-21ksoftirqd/322:46:183
171399367,5cyclictest25-21ksoftirqd/122:11:461
171399362,5cyclictest25-21ksoftirqd/101:21:551
1713993620,8cyclictest25-21ksoftirqd/121:56:451
1713993619,8cyclictest25-21ksoftirqd/122:46:421
1713993611,4cyclictest25-21ksoftirqd/100:59:211
1709993613,3cyclictest3119-21latency_hist22:46:170
1723993529,3cyclictest41-21ksoftirqd/322:21:373
171399353,6cyclictest25-21ksoftirqd/102:52:431
171399352,6cyclictest25-21ksoftirqd/123:29:431
171399352,5cyclictest25-21ksoftirqd/123:32:241
171399352,5cyclictest25-21ksoftirqd/123:32:241
171399352,5cyclictest25-21ksoftirqd/101:41:461
171399351,5cyclictest25-21ksoftirqd/122:44:351
171399351,5cyclictest25-21ksoftirqd/100:32:391
170999353,7cyclictest19523-21apt-get00:01:330
1709993514,3cyclictest9-21ksoftirqd/021:57:090
1723993428,3cyclictest41-21ksoftirqd/322:36:333
1723993428,3cyclictest41-21ksoftirqd/322:36:173
1723993424,3cyclictest41-21ksoftirqd/323:26:493
1723993414,6cyclictest41-21ksoftirqd/323:16:183
171399343,6cyclictest25-21ksoftirqd/122:20:001
1713993421,4cyclictest25-21ksoftirqd/122:21:331
1713993417,8cyclictest25-21ksoftirqd/122:01:411
171399340,6cyclictest25-21ksoftirqd/122:26:321
172399331,3cyclictest121rcu_preempt21:51:323
1713993318,7cyclictest25-21ksoftirqd/122:36:591
171399331,5cyclictest25-21ksoftirqd/121:41:201
171399331,5cyclictest25-21ksoftirqd/121:41:201
170999333,7cyclictest18322-21apt-get01:06:340
170999333,22cyclictest2193-21ssh01:56:340
1723993225,3cyclictest41-21ksoftirqd/323:16:293
1713993218,3cyclictest25-21ksoftirqd/123:16:431
170999328,4cyclictest233-21systemd-journal23:41:180
252252310,5sleep225229-21irqrtprio00:06:382
171999303,9cyclictest17860-21apt-get23:16:302
171999303,17cyclictest1089-21ssh03:01:362
171399292,7cyclictest25-21ksoftirqd/122:57:301
1713992912,3cyclictest25-21ksoftirqd/123:06:371
1719992822,4cyclictest33-21ksoftirqd/200:04:072
1719992722,3cyclictest33-21ksoftirqd/222:06:162
1719992721,3cyclictest33-21ksoftirqd/223:31:372
1719992721,3cyclictest33-21ksoftirqd/223:31:372
1719992720,4cyclictest33-21ksoftirqd/223:09:172
1719992711,12cyclictest8713-21sh00:21:532
1709992721,3cyclictest9-21ksoftirqd/023:01:440
170999272,12cyclictest11720-21ssh00:26:320
1719992621,3cyclictest33-21ksoftirqd/201:46:372
1719992619,4cyclictest33-21ksoftirqd/222:37:542
1719992618,5cyclictest23322-21tr01:11:342
171999261,20cyclictest0-21swapper/223:36:312
171999252,6cyclictest121rcu_preempt00:21:172
1719992519,3cyclictest33-21ksoftirqd/223:05:232
1719992519,3cyclictest33-21ksoftirqd/222:15:212
1719992519,3cyclictest33-21ksoftirqd/221:49:362
1719992519,3cyclictest33-21ksoftirqd/221:49:362
1719992518,4cyclictest33-21ksoftirqd/222:19:352
1719992518,4cyclictest33-21ksoftirqd/202:40:162
1719992518,4cyclictest33-21ksoftirqd/201:41:142
1719992518,4cyclictest33-21ksoftirqd/200:28:432
1709992519,3cyclictest9-21ksoftirqd/022:21:540
1709992518,4cyclictest9-21ksoftirqd/023:25:010
1709992518,4cyclictest9-21ksoftirqd/023:13:290
171999243,19cyclictest24391-21kworker/2:201:18:032
171999243,19cyclictest24391-21kworker/2:201:18:032
171999242,10cyclictest4174-21apt-get02:31:382
1719992419,3cyclictest33-21ksoftirqd/222:31:342
1719992418,3cyclictest33-21ksoftirqd/202:12:172
1719992417,4cyclictest33-21ksoftirqd/222:48:502
1719992417,4cyclictest33-21ksoftirqd/222:42:352
1719992417,4cyclictest33-21ksoftirqd/202:29:172
171999241,3cyclictest121rcu_preempt02:21:402
171999241,20cyclictest6690-21users21:41:442
171999241,20cyclictest6690-21users21:41:442
171999241,20cyclictest11260-21snmp_o5powerctl23:51:432
1709992419,3cyclictest9-21ksoftirqd/023:17:070
1709992418,3cyclictest9-21ksoftirqd/023:30:350
1709992418,3cyclictest9-21ksoftirqd/021:37:500
1709992417,4cyclictest9-21ksoftirqd/023:35:330
1709992417,4cyclictest9-21ksoftirqd/023:35:330
1709992417,4cyclictest9-21ksoftirqd/022:33:100
1709992417,4cyclictest14820-21/usr/sbin/munin23:06:470
170999241,5cyclictest29740-21unixbench-2d01:16:490
170999241,5cyclictest29740-21unixbench-2d01:16:490
171999238,12cyclictest27445-21needreboot00:41:392
171999232,16cyclictest26358-21apt-get22:26:282
1719992317,3cyclictest33-21ksoftirqd/200:54:402
1719992316,4cyclictest33-21ksoftirqd/223:48:442
1719992316,4cyclictest33-21ksoftirqd/221:54:022
1719992316,4cyclictest33-21ksoftirqd/202:08:362
1719992316,4cyclictest33-21ksoftirqd/201:53:542
1719992316,4cyclictest33-21ksoftirqd/200:14:102
171999231,3cyclictest10356-21users00:56:492
1719992310,10cyclictest22069-21tune2fs02:16:382
1709992318,3cyclictest9-21ksoftirqd/022:30:380
1709992317,3cyclictest9-21ksoftirqd/001:45:330
1709992316,4cyclictest7061-21sh21:46:150
1709992316,4cyclictest7061-21sh21:46:150
170999230,20cyclictest27055-21diskmemload01:01:450
184492220,2sleep20-21swapper/202:46:232
171999222,17cyclictest16999-21tr22:06:302
1719992216,3cyclictest33-21ksoftirqd/221:40:232
1719992216,3cyclictest33-21ksoftirqd/201:43:422
1719992215,4cyclictest654-21sh00:46:522
1719992215,4cyclictest5830-21tail01:26:362
1719992215,4cyclictest33-21ksoftirqd/201:11:102
171999221,18cyclictest21021-21ssh00:36:162
1709992218,2cyclictest0-21swapper/000:33:160
1709992216,4cyclictest10760-21ssh00:57:280
1709992214,4cyclictest5705-21latency_hist03:06:230
170999221,2cyclictest0-21swapper/002:32:250
170999221,18cyclictest9333-21sshd22:56:380
1719992116,3cyclictest33-21ksoftirqd/200:40:392
1719992115,3cyclictest33-21ksoftirqd/223:11:242
1719992115,3cyclictest33-21ksoftirqd/222:23:362
1719992114,4cyclictest33-21ksoftirqd/223:21:262
1719992114,4cyclictest33-21ksoftirqd/222:56:182
1719992114,4cyclictest2146-21sh23:42:212
1719992114,4cyclictest12367-21sh01:32:192
1719992114,4cyclictest10776-21sh02:05:062
1709992114,4cyclictest7233-21timedrift22:51:430
1709992114,4cyclictest22251-21irqrtprio22:16:350
1709992114,4cyclictest12865-21sh23:53:560
170999211,3cyclictest3523-21cpuspeed_turbos22:46:300
170999211,17cyclictest28762-21cpuspeed_turbos02:56:360
170999211,17cyclictest0-21swapper/002:49:430
170999211,17cyclictest0-21swapper/001:36:480
170999210,18cyclictest8165-21needreboot02:01:420
1719992014,3cyclictest28495-21sh02:56:272
1719992013,4cyclictest19685-21sed02:46:392
171999201,16cyclictest17421-21ssh23:58:232
171999201,16cyclictest0-21swapper/201:56:222
171999200,3cyclictest15405-21ssh01:02:052
1709992013,4cyclictest5357-21apt-get01:26:310
1709992013,4cyclictest46950irq/100-ens3-Tx02:06:410
1709992013,4cyclictest27621-21sh01:16:200
1709992013,4cyclictest1874-21sh00:48:550
170999201,17cyclictest0-21swapper/023:48:430
170999201,17cyclictest0-21swapper/002:43:030
170999200,18cyclictest1699-21cyclictest02:52:260
170999200,18cyclictest0-21swapper/001:25:240
1719991912,4cyclictest12492-21fschecks_time21:56:312
1709991913,3cyclictest3591-21/usr/sbin/munin00:51:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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