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2026-07-14 - 15:17
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackbslot4.osadl.org (updated Tue Jul 14, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1874699622,8cyclictest19339-21/usr/sbin/munin06:40:133
1873599575,45cyclictest0-21swapper/111:46:471
1874099566,7cyclictest0-21swapper/211:26:082
1874099564,46cyclictest0-21swapper/211:47:402
1874099563,9cyclictest0-21swapper/209:15:212
1873199563,47cyclictest0-21swapper/011:03:220
18746995515,34cyclictest32383-21seq11:34:283
18746995515,33cyclictest27825-21sort07:00:293
1874099554,45cyclictest0-21swapper/209:02:312
1874099554,45cyclictest0-21swapper/209:02:312
1874099553,14cyclictest0-21swapper/211:04:182
18746995416,33cyclictest643-21runrttasks06:49:393
1873199544,44cyclictest0-21swapper/009:15:100
1873199544,43cyclictest0-21swapper/012:09:070
1873199544,43cyclictest0-21swapper/010:54:580
1874699533,32cyclictest76432wget07:35:113
18746995321,26cyclictest28338-21grep08:30:133
18746995316,30cyclictest21365-21ntpdc08:10:233
18746995316,30cyclictest21365-21ntpdc08:10:233
18746995315,6cyclictest11765-21timerwakeupswit11:05:283
18746995314,32cyclictest551-21ntpd10:15:203
1874099534,6cyclictest0-21swapper/210:38:492
1874099534,42cyclictest0-21swapper/211:21:082
1874099533,44cyclictest4775-21ssh08:45:312
1874099533,44cyclictest0-21swapper/211:16:382
18740995316,32cyclictest13217-21unixbench-2d09:40:282
1873199534,42cyclictest0-21swapper/011:45:370
1873199534,10cyclictest0-21swapper/011:52:370
1873199533,44cyclictest0-21swapper/010:48:180
18746995216,30cyclictest14731-21basename11:10:123
18746995216,29cyclictest3223-21unixbench-2d10:10:283
18746995215,32cyclictest18821-21aten_rbpower_po08:05:093
18746995215,32cyclictest18821-21aten_rbpower_po08:05:093
18746995215,31cyclictest31641-21diskmemload09:15:183
1874099524,43cyclictest0-21swapper/211:57:222
18740995211,35cyclictest22925-21proc_pri09:10:232
1873599524,41cyclictest0-21swapper/109:49:401
1873599524,41cyclictest0-21swapper/109:49:401
1873199524,42cyclictest0-21swapper/011:55:370
1873199524,42cyclictest0-21swapper/009:47:200
1873199524,42cyclictest0-21swapper/009:47:200
1873199524,42cyclictest0-21swapper/009:38:400
1873199524,41cyclictest0-21swapper/010:04:290
1873199524,41cyclictest0-21swapper/009:00:510
1873199524,41cyclictest0-21swapper/009:00:510
1827525210,15sleep20-21swapper/206:37:262
1874699513,42cyclictest24959-21latency10:40:163
1874699513,41cyclictest0-21swapper/311:23:143
18746995119,27cyclictest12015-21timerandwakeup08:55:293
18746995117,29cyclictest11959-21grep07:45:233
18746995115,30cyclictest6127-21sshd07:30:163
18746995112,7cyclictest20877-21fschecks_count10:35:103
1874099514,41cyclictest0-21swapper/211:05:182
1874099514,41cyclictest0-21swapper/209:51:202
1874099514,40cyclictest0-21swapper/210:45:282
1874099514,40cyclictest0-21swapper/210:29:592
1874099513,43cyclictest0-21swapper/209:39:102
1874099512,6cyclictest31634-21ssh09:22:102
1873599513,42cyclictest0-21swapper/110:05:591
1873199517,38cyclictest0-21swapper/006:45:260
1873199514,5cyclictest0-21swapper/009:44:000
1873199514,41cyclictest0-21swapper/009:07:200
1873199514,41cyclictest0-21swapper/008:51:410
1873199514,40cyclictest0-21swapper/008:47:310
1873199514,38cyclictest0-21swapper/007:45:300
1873199513,42cyclictest0-21swapper/011:35:570
1873199513,42cyclictest0-21swapper/011:35:570
1873199513,42cyclictest0-21swapper/009:10:120
1873199513,42cyclictest0-21swapper/008:58:110
1873199513,24cyclictest0-21swapper/010:16:180
18731995115,32cyclictest19631-21fschecks_time06:40:150
1874699504,18cyclictest0-21swapper/311:19:163
1874699503,8cyclictest0-21swapper/310:27:313
1874699502,42cyclictest8105-21diskstats11:45:093
18746995016,29cyclictest643-21runrttasks07:23:023
18746995015,29cyclictest8712-21ls09:35:143
18746995015,29cyclictest3776-21grep08:45:133
18746995015,29cyclictest370-21systemd-journal10:59:553
18746995014,6cyclictest29879-21grep07:05:333
18746995014,6cyclictest12695-21sh09:40:183
18746995014,31cyclictest582-21polkitd09:59:573
18746995014,28cyclictest22911-21proc_pri09:10:233
1874099505,39cyclictest0-21swapper/211:10:242
1874099504,8cyclictest0-21swapper/211:50:472
1874099504,40cyclictest0-21swapper/210:08:192
18740995035,9cyclictest0-21swapper/209:25:502
1873599504,39cyclictest0-21swapper/109:40:421
1873599504,39cyclictest0-21swapper/109:22:501
1873199508,36cyclictest0-21swapper/007:08:290
1873199507,37cyclictest0-21swapper/009:50:070
1873199504,9cyclictest0-21swapper/012:02:370
1873199504,41cyclictest0-21swapper/008:30:140
1873199504,40cyclictest0-21swapper/011:20:580
1873199504,40cyclictest0-21swapper/007:35:300
1873199504,21cyclictest0-21swapper/011:43:120
1873199503,42cyclictest0-21swapper/011:26:480
1873199503,41cyclictest0-21swapper/011:14:380
1873199503,41cyclictest0-21swapper/010:37:530
1873199503,41cyclictest0-21swapper/009:30:400
18731995017,27cyclictest31641-21diskmemload09:56:100
1874699497,11cyclictest0-21swapper/310:45:113
1874699494,16cyclictest0-21swapper/311:50:223
1874699494,12cyclictest0-21swapper/307:40:313
1874699493,40cyclictest0-21swapper/311:27:533
18746994917,26cyclictest564-21dbus-daemon11:59:543
18746994916,28cyclictest370-21systemd-journal07:20:013
18746994916,27cyclictest18819-21if_eth209:05:153
18746994916,27cyclictest10129-21date10:20:183
18746994916,26cyclictest4562-21fschecks_time11:40:113
18746994915,29cyclictest26241-21cat12:09:553
18746994912,5cyclictest0-21swapper/308:35:173
1874099495,38cyclictest0-21swapper/210:53:592
1874099494,39cyclictest0-21swapper/211:37:162
1874099494,39cyclictest0-21swapper/211:37:162
1874099494,21cyclictest0-21swapper/212:06:072
1874099493,9cyclictest0-21swapper/210:41:292
1874099493,40cyclictest0-21swapper/210:55:482
1874099493,40cyclictest0-21swapper/210:19:592
1873599496,37cyclictest0-21swapper/109:02:071
1873599496,37cyclictest0-21swapper/109:02:071
1873599494,38cyclictest0-21swapper/110:50:271
18735994912,6cyclictest0-21swapper/109:54:211
1873199494,40cyclictest0-21swapper/010:42:390
1873199494,39cyclictest0-21swapper/011:19:180
1873199494,39cyclictest0-21swapper/010:22:430
1873199494,39cyclictest0-21swapper/010:10:360
1873199494,38cyclictest0-21swapper/006:55:290
1873199493,41cyclictest0-21swapper/010:25:490
18731994914,30cyclictest24080-21sshd08:19:160
186502494,9sleep20-21swapper/209:48:542
186502494,9sleep20-21swapper/209:48:542
1874699484,13cyclictest0-21swapper/308:51:393
1874699482,14cyclictest20318-21proc_pri09:50:223
18746994817,25cyclictest7164-21tune2fs11:00:113
18746994816,5cyclictest643-21runrttasks09:04:563
18746994816,5cyclictest643-21runrttasks09:04:563
18746994815,6cyclictest643-21runrttasks07:14:463
18746994814,28cyclictest8136-21cut09:34:593
18746994811,5cyclictest0-21swapper/308:41:233
18746994810,8cyclictest4979-21unixbench_singl07:25:313
1874099485,37cyclictest0-21swapper/210:11:282
1874099484,39cyclictest0-21swapper/208:50:412
1874099484,39cyclictest0-21swapper/208:30:312
1874099484,38cyclictest0-21swapper/210:25:162
1874099484,38cyclictest0-21swapper/209:30:062
1874099484,38cyclictest0-21swapper/208:40:182
1874099484,38cyclictest0-21swapper/207:55:152
1874099483,39cyclictest0-21swapper/210:00:092
18740994811,31cyclictest0-21swapper/208:56:122
18735994811,31cyclictest0-21swapper/112:00:001
1873199485,37cyclictest0-21swapper/007:20:130
1873199484,39cyclictest0-21swapper/009:21:270
1873199484,39cyclictest0-21swapper/008:40:290
1873199484,38cyclictest0-21swapper/007:00:150
1873199483,40cyclictest0-21swapper/010:53:330
1873199483,38cyclictest0-21swapper/011:31:370
1873199483,38cyclictest0-21swapper/008:23:510
18731994812,31cyclictest0-21swapper/008:00:160
18731994810,32cyclictest0-21swapper/009:27:360
209602473,15sleep20-21swapper/206:44:462
1874699474,36cyclictest0-21swapper/308:00:143
1874699474,10cyclictest0-21swapper/310:00:553
18746994716,26cyclictest1258-21hwlatdetect09:25:153
18746994714,6cyclictest643-21runrttasks09:49:003
18746994714,6cyclictest643-21runrttasks09:49:003
18746994712,7cyclictest13902-21ntp_states07:50:233
18746994712,6cyclictest1304-21ntpdc11:35:173
18746994712,6cyclictest1304-21ntpdc11:35:173
18746994710,5cyclictest0-21swapper/310:30:213
1874099475,36cyclictest0-21swapper/209:55:292
1874099474,38cyclictest0-21swapper/211:40:242
1874099474,38cyclictest0-21swapper/211:32:242
1874099474,37cyclictest0-21swapper/208:05:222
1874099474,37cyclictest0-21swapper/208:05:222
1874099474,37cyclictest0-21swapper/207:45:282
18740994733,8cyclictest0-21swapper/209:06:312
1873599474,37cyclictest0-21swapper/107:30:341
1873599474,37cyclictest0-21swapper/106:42:231
1873599474,36cyclictest0-21swapper/111:19:211
1873599473,39cyclictest0-21swapper/107:06:231
18735994710,31cyclictest0-21swapper/111:06:361
1873199478,33cyclictest0-21swapper/011:05:070
1873199475,7cyclictest0-21swapper/010:30:230
1873199474,37cyclictest0-21swapper/007:44:070
1873199474,36cyclictest0-21swapper/007:25:360
1873199474,10cyclictest0-21swapper/008:00:000
1874699467,7cyclictest32054-21cut10:50:123
1874699466,7cyclictest20297-21cat12:00:253
18746994614,7cyclictest30598-21aten_rbpower_cu10:05:073
18746994610,7cyclictest23425-21grep06:50:173
1874099468,32cyclictest0-21swapper/210:15:032
1874099464,37cyclictest0-21swapper/212:03:272
1874099464,36cyclictest0-21swapper/208:36:152
1873599466,34cyclictest0-21swapper/110:02:231
1873599464,37cyclictest0-21swapper/111:36:281
1873599464,37cyclictest0-21swapper/111:36:281
1873599464,36cyclictest0-21swapper/111:27:521
1873599464,36cyclictest0-21swapper/111:13:281
1873599464,36cyclictest0-21swapper/110:38:521
1873599464,17cyclictest0-21swapper/110:40:401
1873599463,6cyclictest0-21swapper/108:54:211
1873599463,38cyclictest0-21swapper/111:31:461
1873199465,35cyclictest0-21swapper/008:25:280
1873199464,7cyclictest0-21swapper/006:50:260
1873199464,36cyclictest0-21swapper/008:35:460
1873199464,36cyclictest0-21swapper/007:12:530
1873199464,35cyclictest0-21swapper/008:10:510
1873199464,35cyclictest0-21swapper/008:10:510
1873199463,9cyclictest0-21swapper/008:05:240
1873199463,9cyclictest0-21swapper/008:05:240
1873199463,37cyclictest0-21swapper/007:50:310
1873199463,37cyclictest0-21swapper/007:30:150
1873199463,36cyclictest0-21swapper/010:05:190
1874699457,9cyclictest0-21swapper/308:20:253
1874699454,16cyclictest0-21swapper/307:58:383
18746994513,5cyclictest224862sleep308:15:053
18746994511,5cyclictest29583-21cpu09:20:093
1874099454,36cyclictest0-21swapper/208:15:342
1874099453,36cyclictest0-21swapper/208:20:152
1873599457,6cyclictest244052chrt12:05:561
1873599455,13cyclictest0-21swapper/109:06:131
1873599454,35cyclictest0-21swapper/110:26:371
1873599454,11cyclictest0-21swapper/107:22:471
1873599454,10cyclictest0-21swapper/106:59:471
1873599453,36cyclictest0-21swapper/109:39:231
18731994511,30cyclictest32518-21hostname07:15:130
1874699447,7cyclictest27343-21sed08:25:293
1874699443,8cyclictest0-21swapper/306:55:343
1874099444,34cyclictest0-21swapper/208:00:502
1874099443,36cyclictest0-21swapper/208:12:212
1874099443,36cyclictest0-21swapper/208:12:212
1873599445,33cyclictest0-21swapper/110:30:471
1873599444,6cyclictest0-21swapper/107:20:011
1873599444,35cyclictest0-21swapper/109:55:001
1873599444,34cyclictest0-21swapper/110:24:181
1873599444,34cyclictest0-21swapper/108:41:521
1873599444,33cyclictest0-21swapper/107:40:011
1873599444,11cyclictest0-21swapper/108:56:241
1874099434,6cyclictest0-21swapper/208:25:002
1874099434,33cyclictest0-21swapper/207:50:462
1873599437,30cyclictest0-21swapper/110:59:071
1873599434,9cyclictest0-21swapper/106:47:531
1873599434,35cyclictest0-21swapper/109:16:141
1873599434,34cyclictest0-21swapper/111:43:421
1873599434,34cyclictest0-21swapper/111:00:041
1873599434,34cyclictest0-21swapper/107:03:521
1873599434,33cyclictest0-21swapper/110:17:061
1873599434,33cyclictest0-21swapper/109:11:421
88862423,10sleep20-21swapper/207:36:292
1873599423,34cyclictest0-21swapper/107:25:511
1873599423,34cyclictest0-21swapper/106:50:221
1873599419,9cyclictest0-21swapper/109:24:591
18735994110,26cyclictest0-21swapper/109:30:401
31902404,9sleep20-21swapper/207:20:402
295122403,6sleep10-21swapper/110:45:401
52032393,6sleep20-21swapper/207:27:242
1873599393,32cyclictest0-21swapper/107:40:271
249442383,8sleep20-21swapper/206:55:092
1873599384,29cyclictest0-21swapper/107:15:011
147632373,7sleep10-21swapper/107:54:431
18735993624,8cyclictest3360-21/usr/sbin/munin08:45:271
1873599361,31cyclictest11775-21iostat_ios07:45:191
1846323613,17sleep00-21swapper/006:39:410
1873599354,25cyclictest0-21swapper/110:12:011
1812823512,16sleep10-21swapper/106:35:401
1874099334,24cyclictest0-21swapper/207:43:162
1873599334,24cyclictest0-21swapper/111:56:271
18735993321,8cyclictest12900-21grep11:50:251
18735993315,13cyclictest30490-21iostat_ios08:35:181
1873599324,22cyclictest0-21swapper/107:55:151
18735993221,7cyclictest218412sleep108:10:321
18735993221,7cyclictest218412sleep108:10:321
1683923210,16sleep30-21swapper/306:35:063
18740993121,6cyclictest23991-21smart_sda06:50:292
18740993120,7cyclictest951-21smart_sda07:15:292
18740993120,6cyclictest22092-21sendmail_mailst06:45:272
1873599315,20cyclictest0-21swapper/111:20:001
1873599314,22cyclictest0-21swapper/108:33:151
1873599313,23cyclictest0-21swapper/108:15:431
18735993119,7cyclictest19434-21needreboot08:05:191
18735993119,7cyclictest19434-21needreboot08:05:191
18735993112,14cyclictest0-21swapper/108:20:151
1874099307,17cyclictest5892-21fschecks_count07:30:142
1874099304,21cyclictest0-21swapper/207:08:012
1873599303,22cyclictest0-21swapper/108:27:151
18735993019,7cyclictest16882-21/usr/sbin/munin08:00:111
1874099293,20cyclictest0-21swapper/207:00:052
18740992918,7cyclictest30847-21grep07:10:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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