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2026-09-06 - 06:20
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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 Sun Sep 06, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2491421800,4sleep21776199cyclictest01:28:592
1068911070,4ptp4l401ktimersoftd/321:33:223
102182790,2sleep30-21swapper/301:14:073
127512650,5sleep11775599cyclictest22:33:091
3002630,5sleep125-21ksoftirqd/101:04:251
17765996314,27cyclictest1559-21sh01:06:293
175462634,10sleep20-21swapper/221:36:342
48252610,2sleep30-21swapper/301:43:013
262542560,5sleep341-21ksoftirqd/323:00:013
262542560,5sleep341-21ksoftirqd/323:00:013
17765995412,20cyclictest1504-21sed22:08:163
113952520,2sleep20-21swapper/200:43:182
62232510,2sleep36225-21rm01:11:013
17761995124,4cyclictest33-21ksoftirqd/201:53:012
17761995121,6cyclictest33-21ksoftirqd/201:20:582
17761995020,9cyclictest33-21ksoftirqd/200:03:282
258482490,4sleep125852-21fschecks_count00:58:191
17765994914,20cyclictest13094-21sh01:50:383
17761994922,10cyclictest33-21ksoftirqd/202:07:272
17761994921,9cyclictest33-21ksoftirqd/200:11:432
17761994921,4cyclictest33-21ksoftirqd/223:53:302
17761994921,4cyclictest33-21ksoftirqd/202:30:282
1776199486,7cyclictest33-21ksoftirqd/202:23:012
1776199486,7cyclictest33-21ksoftirqd/202:23:012
17761994836,3cyclictest33-21ksoftirqd/201:58:022
17761994834,3cyclictest33-21ksoftirqd/203:03:472
17761994822,4cyclictest33-21ksoftirqd/202:34:542
17761994821,9cyclictest33-21ksoftirqd/200:20:462
17761994821,5cyclictest33-21ksoftirqd/202:09:392
17761994821,4cyclictest33-21ksoftirqd/202:42:302
17761994820,7cyclictest33-21ksoftirqd/201:15:342
17761994820,5cyclictest33-21ksoftirqd/202:25:352
17761994820,5cyclictest33-21ksoftirqd/202:25:352
17761994819,6cyclictest33-21ksoftirqd/201:43:402
1776599473,34cyclictest19050-21apt-get03:03:173
1776199476,6cyclictest33-21ksoftirqd/201:03:162
17761994721,9cyclictest33-21ksoftirqd/201:38:312
17761994721,4cyclictest33-21ksoftirqd/201:33:092
17761994721,4cyclictest33-21ksoftirqd/200:23:582
17761994720,9cyclictest33-21ksoftirqd/223:49:472
17761994720,9cyclictest33-21ksoftirqd/202:16:242
17761994720,9cyclictest33-21ksoftirqd/200:36:102
17761994720,6cyclictest33-21ksoftirqd/223:45:192
17761994720,6cyclictest33-21ksoftirqd/203:00:462
17761994720,6cyclictest33-21ksoftirqd/201:56:502
17761994720,4cyclictest33-21ksoftirqd/223:23:262
17761994719,4cyclictest33-21ksoftirqd/200:56:192
1776199466,9cyclictest33-21ksoftirqd/222:38:152
1776199466,6cyclictest33-21ksoftirqd/223:38:272
17761994640,3cyclictest321ktimersoftd/200:01:512
1776199463,8cyclictest33-21ksoftirqd/200:38:412
1776199463,8cyclictest33-21ksoftirqd/200:38:412
17761994634,3cyclictest33-21ksoftirqd/201:12:262
17761994621,9cyclictest33-21ksoftirqd/222:17:562
17761994621,8cyclictest33-21ksoftirqd/201:23:122
1776199460,9cyclictest33-21ksoftirqd/200:48:202
1776199457,7cyclictest33-21ksoftirqd/202:55:392
1776199456,10cyclictest33-21ksoftirqd/222:43:112
1776199453,7cyclictest33-21ksoftirqd/221:38:112
1776199452,7cyclictest33-21ksoftirqd/202:43:212
17761994511,3cyclictest33-21ksoftirqd/200:13:142
17761994419,8cyclictest33-21ksoftirqd/200:28:192
17761994419,7cyclictest33-21ksoftirqd/222:33:312
17761994418,4cyclictest33-21ksoftirqd/223:33:162
1776199437,7cyclictest33-21ksoftirqd/221:48:102
1776199436,7cyclictest1799-21/usr/sbin/munin22:08:192
1776199435,7cyclictest33-21ksoftirqd/202:48:212
1776199435,10cyclictest33-21ksoftirqd/223:32:582
1776199434,7cyclictest33-21ksoftirqd/201:00:072
1776199433,9cyclictest33-21ksoftirqd/221:58:142
1776199433,7cyclictest33-21ksoftirqd/221:47:552
17761994317,9cyclictest33-21ksoftirqd/222:31:492
1776199426,7cyclictest33-21ksoftirqd/222:53:172
1776199425,8cyclictest33-21ksoftirqd/223:08:192
1776199425,8cyclictest33-21ksoftirqd/222:58:132
1776199425,8cyclictest33-21ksoftirqd/222:58:132
1776199425,7cyclictest33-21ksoftirqd/221:53:142
1776199420,7cyclictest33-21ksoftirqd/222:48:122
1776599419,19cyclictest20973-21/usr/sbin/munin21:43:093
1776199415,7cyclictest33-21ksoftirqd/222:03:122
1776199414,7cyclictest33-21ksoftirqd/222:18:202
1776199413,8cyclictest33-21ksoftirqd/223:03:132
106891410,1ptp4l401ktimersoftd/301:28:263
1776599407,20cyclictest1055-21runrttasks02:16:583
1776599403,28cyclictest20967-21apt-get23:48:123
1776599402,30cyclictest24708-21apt-get02:03:123
17761994021,10cyclictest33-21ksoftirqd/223:13:082
106891400,1ptp4l401ktimersoftd/301:56:153
1776599398,18cyclictest16944-21ssh23:43:173
1776599393,30cyclictest0-21swapper/300:43:223
1776599390,3cyclictest31884-21ssh00:32:063
1776199394,8cyclictest33-21ksoftirqd/223:18:292
17761993933,3cyclictest321ktimersoftd/222:23:182
106891390,1ptp4l401ktimersoftd/323:40:113
106891390,1ptp4l401ktimersoftd/300:15:593
1776599383,28cyclictest7041-21apt-get02:18:133
1776599383,28cyclictest7041-21apt-get02:18:133
1776599382,29cyclictest17136-21apt-get02:28:153
106891380,1ptp4l401ktimersoftd/322:03:203
106891380,1ptp4l401ktimersoftd/301:59:523
106891380,1ptp4l401ktimersoftd/301:25:163
106891380,1ptp4l401ktimersoftd/300:23:283
1776599373,29cyclictest0-21swapper/302:43:133
1776599372,28cyclictest0-21swapper/302:33:143
1776599370,3cyclictest29220-21ssh23:56:013
106891370,1ptp4l401ktimersoftd/323:59:153
106891370,1ptp4l401ktimersoftd/302:55:083
106891370,1ptp4l401ktimersoftd/302:50:143
106891370,1ptp4l401ktimersoftd/302:42:543
106891370,1ptp4l401ktimersoftd/301:37:243
106891370,1ptp4l401ktimersoftd/300:51:173
106891370,1ptp4l401ktimersoftd/300:34:443
106891370,1ptp4l401ktimersoftd/300:10:043
1776599369,24cyclictest20489-21expr00:53:133
1776599363,27cyclictest8620-21apt-get23:33:123
17765993616,17cyclictest7820-21expr22:23:103
1776599360,4cyclictest29520-21/usr/sbin/munin21:58:233
106891360,0ptp4l401ktimersoftd/302:08:393
1776599357,24cyclictest18896-21irqrtprio00:18:213
1776599352,28cyclictest13391-21cut02:23:233
1776599352,28cyclictest13391-21cut02:23:233
1776599351,29cyclictest0-21swapper/322:13:093
1776599350,4cyclictest26578-21sed21:53:143
1775599350,2cyclictest121rcu_preempt23:40:071
1776599348,23cyclictest13471-21sed01:18:243
17765993414,17cyclictest29107-21/usr/sbin/munin23:08:173
1776599340,4cyclictest23649-21ls21:48:103
1776599340,4cyclictest11492-21ls22:28:233
106891340,1ptp4l401ktimersoftd/303:00:123
1776599338,22cyclictest17455-21cstates22:43:113
17765993310,19cyclictest31732-21expr23:13:103
1776599328,21cyclictest14858-21acpi22:38:083
1776599328,20cyclictest24299-21latency_hist22:57:573
1776599322,24cyclictest26798-21apt-get23:03:093
17765993212,17cyclictest25794-21df00:58:173
1776599320,4cyclictest5822-21irqrtprio01:43:203
1776599320,3cyclictest7010-21snmp_o5powerctl00:38:263
1776599320,3cyclictest7010-21snmp_o5powerctl00:38:263
1776599320,3cyclictest1544-21grep23:18:123
300932310,1sleep00-21swapper/000:29:030
1776599312,24cyclictest3859-21apt-get23:23:093
1776599312,22cyclictest6245-21apt-get23:28:103
17765993113,15cyclictest20082-21perl22:48:133
1776599310,4cyclictest13544-21memory22:33:153
1776599310,3cyclictest0-21swapper/300:06:583
217972300,4sleep11775599cyclictest02:33:021
1776599301,5cyclictest6893-21grep22:18:263
1776599301,5cyclictest20151-21latency_hist21:42:553
1745723012,8sleep00-21swapper/021:35:230
174242296,9sleep10-21swapper/121:34:591
17755992820,5cyclictest25-21ksoftirqd/101:23:131
1775199283,22cyclictest3609-21grep00:03:150
17751992814,4cyclictest9-21ksoftirqd/023:48:080
17755992721,3cyclictest25-21ksoftirqd/100:06:201
17751992715,3cyclictest31470-21/usr/sbin/munin23:13:250
91442260,2sleep10-21swapper/100:41:281
91442260,2sleep10-21swapper/100:41:281
17755992621,3cyclictest25-21ksoftirqd/102:11:141
1775599260,3cyclictest121rcu_preempt01:33:331
216672250,2sleep00-21swapper/001:26:520
17755992518,4cyclictest25-21ksoftirqd/121:43:511
17755992518,4cyclictest25-21ksoftirqd/121:42:061
17755992518,4cyclictest19021-21ssh00:51:251
17755992513,9cyclictest10563-21sh00:09:201
17751992519,3cyclictest9-21ksoftirqd/021:54:450
17751992519,3cyclictest9-21ksoftirqd/021:38:560
17751992519,3cyclictest9-21ksoftirqd/001:12:390
17751992519,3cyclictest23444-21tail00:23:160
17751992518,4cyclictest9-21ksoftirqd/022:56:530
17751992518,4cyclictest9-21ksoftirqd/002:16:350
17755992417,4cyclictest25-21ksoftirqd/121:57:551
17755992416,5cyclictest47050irq/101-ens3-Tx00:53:121
17755992416,4cyclictest4879-21sed02:48:201
17751992418,3cyclictest9-21ksoftirqd/022:47:250
17751992418,3cyclictest9-21ksoftirqd/002:39:480
17751992417,4cyclictest9-21ksoftirqd/023:36:030
17751992417,4cyclictest9-21ksoftirqd/023:19:490
17751992417,4cyclictest9-21ksoftirqd/001:52:580
17751992417,4cyclictest28432-21/usr/sbin/munin21:58:100
66102230,18sleep10-21swapper/102:18:011
17755992317,3cyclictest2896-21ssh01:39:591
17755992317,3cyclictest25-21ksoftirqd/123:13:051
17755992317,3cyclictest25-21ksoftirqd/122:22:441
17755992317,3cyclictest25-21ksoftirqd/101:44:041
17755992317,3cyclictest25-21ksoftirqd/100:01:251
17755992316,4cyclictest25-21ksoftirqd/122:58:381
17755992316,4cyclictest25-21ksoftirqd/122:58:381
17755992316,4cyclictest25-21ksoftirqd/122:25:221
1775599231,19cyclictest17784-21ssh01:55:161
1775599230,4cyclictest23968-21chrt22:56:011
17751992317,3cyclictest9-21ksoftirqd/023:06:040
17751992317,3cyclictest9-21ksoftirqd/022:30:500
17751992316,4cyclictest9-21ksoftirqd/023:12:020
1775199231,3cyclictest18613-21snmp_o5powerctl02:28:300
1775199231,19cyclictest6566-21python22:18:210
17755992215,4cyclictest25-21ksoftirqd/122:50:071
17755992215,4cyclictest25-21ksoftirqd/122:16:431
17755992214,5cyclictest7858-21tail23:28:261
1775599221,18cyclictest4327-21snmp_o5powerctl01:08:241
17755992211,8cyclictest32484-21if_enp1s0.102:43:191
1775599221,18cyclictest25861-21apt-get23:53:111
1775599221,18cyclictest0-21swapper/102:42:531
1775599220,4cyclictest4042-21cstates23:23:101
1775599220,19cyclictest10681-21diskmemload00:15:271
1775199223,16cyclictest26359-21tail23:53:150
1775199223,16cyclictest16155-21grep00:48:180
1775199222,15cyclictest18080-21apt-get00:18:140
17751992217,3cyclictest9-21ksoftirqd/022:42:360
17751992216,3cyclictest9-21ksoftirqd/023:47:220
17751992216,3cyclictest9-21ksoftirqd/023:41:210
17751992216,3cyclictest9-21ksoftirqd/022:34:030
17751992216,3cyclictest9-21ksoftirqd/022:08:460
17751992216,3cyclictest26171-21runrttasks22:58:570
17751992216,3cyclictest26171-21runrttasks22:58:570
17751992215,4cyclictest9-21ksoftirqd/022:27:020
17751992215,4cyclictest9-21ksoftirqd/021:48:360
17751992215,4cyclictest9-21ksoftirqd/002:05:150
17751992215,4cyclictest32728-21/usr/sbin/munin00:33:120
17751992215,4cyclictest20749-21if_ens321:42:580
1775199221,3cyclictest24255-21snmp_o5powerctl01:28:290
1775199221,19cyclictest0-21swapper/002:44:190
1775199221,19cyclictest0-21swapper/000:12:390
1775199221,18cyclictest6651-21gltestperf23:28:140
1775199220,4cyclictest858-21rm23:59:370
17755992116,3cyclictest25-21ksoftirqd/122:07:321
17755992115,3cyclictest9347-21ssh02:19:181
17755992115,3cyclictest9347-21ssh02:19:181
17755992115,3cyclictest25-21ksoftirqd/122:30:321
17755992115,3cyclictest25-21ksoftirqd/121:52:181
17755992115,3cyclictest25-21ksoftirqd/102:01:301
17755992115,3cyclictest16496-21ssh01:21:251
17755992115,3cyclictest11793-21sh01:16:481
1775599211,4cyclictest24800-21ssh02:03:141
17755992114,4cyclictest30970-21sh00:30:331
17755992114,4cyclictest25-21ksoftirqd/123:05:091
17755992114,4cyclictest10681-21diskmemload00:18:291
17755992114,3cyclictest10681-21diskmemload02:23:261
17755992114,3cyclictest10681-21diskmemload02:23:261
17755992114,3cyclictest1055-21runrttasks01:52:591
17751992115,3cyclictest9-21ksoftirqd/022:15:290
17751992115,3cyclictest9-21ksoftirqd/001:07:570
17751992114,4cyclictest9-21ksoftirqd/022:51:230
17751992114,4cyclictest9-21ksoftirqd/001:39:500
17751992114,4cyclictest16043-21needreboot01:53:220
17751992114,3cyclictest11849-21sh02:23:030
17751992114,3cyclictest11849-21sh02:23:030
17755992014,3cyclictest374-21/usr/sbin/munin22:08:141
17755992014,3cyclictest28095-21/usr/sbin/munin21:58:221
17755992014,3cyclictest16138-21processes22:38:191
17755992013,4cyclictest47050irq/101-ens3-Tx23:43:171
17755992013,4cyclictest29431-21df23:08:111
17755992013,4cyclictest2636-21ssh00:34:081
17755992013,4cyclictest25-21ksoftirqd/123:34:271
17755992013,4cyclictest25-21ksoftirqd/103:03:291
1775599201,17cyclictest0-21swapper/102:55:231
1775599201,16cyclictest23456-21snmp_o5powerctl02:33:261
1775599201,16cyclictest22430-21snmp_o5powerctl23:48:271
17751992016,2cyclictest0-21swapper/001:13:170
17751992014,3cyclictest9194-21/usr/sbin/munin02:53:240
17751992014,3cyclictest3782-21/usr/sbin/munin23:23:120
17751992014,3cyclictest20269-21sh03:03:270
17751992014,3cyclictest19783-21bc01:58:110
17751992013,4cyclictest30841-21phc2sys-jitter02:08:220
17751992013,4cyclictest27919-21expr01:33:150
17751992013,4cyclictest20258-21sh00:53:090
17751992013,4cyclictest14416-21ptp4l00:13:200
17751992013,4cyclictest10681-21diskmemload02:33:570
17751992013,4cyclictest10372-21/usr/sbin/munin00:43:280
1775199200,17cyclictest10681-21diskmemload01:45:250
1722722013,3sleep125-21ksoftirqd/103:00:411
1775599195,7cyclictest22789-21ssh01:28:131
1775599194,9cyclictest10452-21apt-get00:43:111
1775599191,4cyclictest26064-21ssh00:25:341
17755991914,3cyclictest17549-21df22:43:111
1775199192,14cyclictest6011-21gltestperf00:38:180
1775199192,14cyclictest6011-21gltestperf00:38:180
17751991913,3cyclictest9-21ksoftirqd/022:04:530
17751991913,3cyclictest9-21ksoftirqd/002:19:200
17751991913,3cyclictest9-21ksoftirqd/002:19:200
17751991913,3cyclictest12738-21sh01:18:010
17751991912,4cyclictest6917-21ssh02:49:420
17751991912,4cyclictest25608-21cpuspeed_turbos00:58:170
17751991912,4cyclictest14375-21cat02:58:200
1775599184,8cyclictest1496-21apt-get23:18:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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