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2026-04-23 - 07:13
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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 highest latencies:
System rackbslot6.osadl.org (updated Thu Apr 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2860721770,4sleep0119099cyclictest23:28:140
372221760,3sleep1119599cyclictest22:30:371
1068911000,3ptp4l401ktimersoftd/320:20:263
122682890,4sleep2120199cyclictest00:51:232
106891710,1ptp4l401ktimersoftd/323:02:063
106891710,1ptp4l401ktimersoftd/322:45:133
106891690,1ptp4l401ktimersoftd/300:30:053
52482670,2sleep30-21swapper/301:17:503
9242664,10sleep00-21swapper/020:20:490
81182570,4sleep18123-21gltestperf23:08:071
106891560,1ptp4l401ktimersoftd/301:06:423
106891550,1ptp4l401ktimersoftd/323:55:043
106891550,1ptp4l401ktimersoftd/300:19:463
92025234,8sleep10-21swapper/120:20:461
1201995144,3cyclictest0-21swapper/220:22:482
45892500,2sleep00-21swapper/001:48:380
106891460,1ptp4l401ktimersoftd/301:43:543
106891450,1ptp4l401ktimersoftd/323:16:003
106891450,1ptp4l401ktimersoftd/322:05:473
106891420,1ptp4l401ktimersoftd/322:23:023
106891410,1ptp4l401ktimersoftd/322:35:503
283372400,1sleep00-21swapper/022:55:180
106891400,1ptp4l401ktimersoftd/300:39:253
106891400,1ptp4l401ktimersoftd/300:24:413
106891400,0ptp4l401ktimersoftd/300:57:043
106891390,1ptp4l401ktimersoftd/322:56:203
106891390,1ptp4l401ktimersoftd/322:48:103
106891390,1ptp4l401ktimersoftd/301:09:243
106891390,1ptp4l401ktimersoftd/300:48:043
106891380,1ptp4l401ktimersoftd/323:35:103
106891380,1ptp4l401ktimersoftd/323:30:243
106891380,1ptp4l401ktimersoftd/323:24:223
106891380,1ptp4l401ktimersoftd/300:01:013
106891380,1ptp4l401ktimersoftd/300:01:013
106891370,1ptp4l401ktimersoftd/323:21:303
106891370,1ptp4l401ktimersoftd/323:07:063
106891370,1ptp4l401ktimersoftd/301:51:303
106891370,1ptp4l401ktimersoftd/301:40:563
106891370,1ptp4l401ktimersoftd/301:40:563
106891370,1ptp4l401ktimersoftd/301:37:473
106891370,1ptp4l401ktimersoftd/301:18:423
106891370,1ptp4l401ktimersoftd/300:35:443
106891370,1ptp4l401ktimersoftd/300:09:593
106891370,1ptp4l401ktimersoftd/300:03:443
106891370,1ptp4l401ktimersoftd/300:03:443
106891370,0ptp4l401ktimersoftd/323:12:043
106891360,1ptp4l401ktimersoftd/323:39:443
106891360,1ptp4l401ktimersoftd/322:42:123
106891360,1ptp4l401ktimersoftd/300:58:353
106891360,0ptp4l401ktimersoftd/322:01:143
152692350,18sleep233-21ksoftirqd/223:14:472
106891350,0ptp4l401ktimersoftd/323:43:073
106891350,0ptp4l401ktimersoftd/322:31:593
106891350,0ptp4l401ktimersoftd/321:30:353
106891350,0ptp4l401ktimersoftd/321:15:263
1201993428,3cyclictest33-21ksoftirqd/223:32:522
106891340,0ptp4l401ktimersoftd/320:40:413
184752330,1sleep30-21swapper/301:30:143
1201993322,9cyclictest33-21ksoftirqd/201:46:142
106891320,1ptp4l401ktimersoftd/320:37:463
106891320,1ptp4l401ktimersoftd/301:24:423
106891320,1ptp4l401ktimersoftd/300:47:253
106891320,1ptp4l401ktimersoftd/300:14:163
61562310,5sleep26162-21sh22:33:072
1201993126,3cyclictest33-21ksoftirqd/201:32:552
106891310,1ptp4l401ktimersoftd/322:15:363
106891310,1ptp4l401ktimersoftd/321:37:223
106891310,1ptp4l401ktimersoftd/321:10:193
106891310,1ptp4l401ktimersoftd/320:51:423
106891310,0ptp4l401ktimersoftd/321:50:483
261492302,3sleep2121rcu_preempt23:26:362
106891300,1ptp4l401ktimersoftd/321:04:203
106891300,0ptp4l401ktimersoftd/321:56:453
106891300,0ptp4l401ktimersoftd/321:39:383
1206992924,3cyclictest41-21ksoftirqd/321:18:083
1201992924,3cyclictest33-21ksoftirqd/223:12:522
1201992922,4cyclictest7734-21sed20:33:052
1201992922,4cyclictest33-21ksoftirqd/221:25:272
1201992916,7cyclictest12951-1kworker/u9:023:48:052
1195992923,3cyclictest25-21ksoftirqd/101:28:201
106891290,1ptp4l401ktimersoftd/323:50:413
106891290,0ptp4l401ktimersoftd/322:08:313
54792280,23sleep25673-21/usr/sbin/munin21:33:182
1206992822,3cyclictest41-21ksoftirqd/321:27:503
1201992822,3cyclictest33-21ksoftirqd/220:47:482
119099283,3cyclictest121rcu_preempt23:41:410
36932270,4sleep1119599cyclictest23:36:461
1206992722,3cyclictest41-21ksoftirqd/322:18:093
1206992722,3cyclictest41-21ksoftirqd/322:18:093
1206992721,3cyclictest41-21ksoftirqd/321:43:083
1201992722,3cyclictest33-21ksoftirqd/201:52:552
1201992722,3cyclictest33-21ksoftirqd/201:08:122
1201992721,3cyclictest33-21ksoftirqd/201:13:152
1201992721,3cyclictest33-21ksoftirqd/200:13:062
308642260,2sleep00-21swapper/001:09:320
152412260,4sleep2311rcuc/200:53:192
144542260,5sleep2120199cyclictest22:42:112
1206992620,3cyclictest41-21ksoftirqd/320:27:523
1206992620,3cyclictest41-21ksoftirqd/320:27:523
1206992620,3cyclictest41-21ksoftirqd/320:23:043
120199269,4cyclictest33-21ksoftirqd/200:18:102
1201992621,3cyclictest33-21ksoftirqd/223:58:112
1201992621,3cyclictest33-21ksoftirqd/223:58:112
1201992621,3cyclictest33-21ksoftirqd/222:12:502
1201992621,3cyclictest33-21ksoftirqd/221:47:492
1201992621,3cyclictest33-21ksoftirqd/200:33:102
1201992620,4cyclictest33-21ksoftirqd/200:43:132
1201992619,4cyclictest33-21ksoftirqd/200:08:472
1201992612,11cyclictest33-21ksoftirqd/220:38:072
1195992620,4cyclictest25-21ksoftirqd/120:34:471
1195992618,5cyclictest14088-21grep21:53:081
1190992620,3cyclictest9-21ksoftirqd/021:47:120
1190992620,3cyclictest9-21ksoftirqd/001:21:490
1190992620,3cyclictest9-21ksoftirqd/001:07:370
106891260,0ptp4l401ktimersoftd/320:54:513
1201992520,3cyclictest33-21ksoftirqd/223:43:042
1201992520,3cyclictest33-21ksoftirqd/223:38:072
1201992520,3cyclictest33-21ksoftirqd/221:48:032
1201992519,3cyclictest33-21ksoftirqd/222:47:512
1201992519,3cyclictest33-21ksoftirqd/222:17:402
1201992519,3cyclictest33-21ksoftirqd/220:22:562
1201992519,3cyclictest33-21ksoftirqd/200:28:092
1201992518,4cyclictest33-21ksoftirqd/222:18:302
1201992518,4cyclictest33-21ksoftirqd/222:18:302
1201992518,4cyclictest33-21ksoftirqd/201:41:492
1201992518,4cyclictest33-21ksoftirqd/201:41:492
119599255,17cyclictest20569-21ls22:07:501
1195992520,3cyclictest25-21ksoftirqd/123:03:111
1195992518,4cyclictest25-21ksoftirqd/122:07:531
1190992520,3cyclictest9-21ksoftirqd/023:17:180
1190992520,3cyclictest9-21ksoftirqd/020:32:480
1190992520,3cyclictest9-21ksoftirqd/020:32:480
1190992519,3cyclictest9-21ksoftirqd/021:37:280
1190992519,3cyclictest9-21ksoftirqd/021:29:490
1190992519,3cyclictest9-21ksoftirqd/020:25:500
1190992518,4cyclictest9-21ksoftirqd/020:37:150
106891250,0ptp4l401ktimersoftd/320:43:333
76132240,2sleep00-21swapper/023:08:020
120282240,3sleep125-21ksoftirqd/101:23:181
1201992419,3cyclictest33-21ksoftirqd/223:33:102
1201992419,3cyclictest33-21ksoftirqd/222:53:102
1201992419,3cyclictest33-21ksoftirqd/200:58:122
1201992418,3cyclictest33-21ksoftirqd/223:02:462
1201992418,3cyclictest33-21ksoftirqd/222:48:112
1201992418,3cyclictest33-21ksoftirqd/221:05:422
1195992418,4cyclictest25-21ksoftirqd/120:56:191
1195992418,3cyclictest9938-21sh22:37:511
1195992418,3cyclictest25-21ksoftirqd/123:20:561
1195992418,3cyclictest25-21ksoftirqd/120:25:201
1195992417,5cyclictest25-21ksoftirqd/100:18:491
1195992417,4cyclictest25-21ksoftirqd/121:45:371
1195992417,4cyclictest25-21ksoftirqd/121:34:171
1190992418,3cyclictest9-21ksoftirqd/021:48:490
1190992418,3cyclictest9-21ksoftirqd/020:49:030
1190992418,3cyclictest19671-21find22:03:110
119099241,7cyclictest121rcu_preempt00:50:120
119099241,4cyclictest25837-21hddtemp_smartct01:38:120
119099241,4cyclictest25837-21hddtemp_smartct01:38:120
149802230,2sleep227590-21diskmemload01:27:372
1206992317,3cyclictest41-21ksoftirqd/320:58:053
120199232,18cyclictest4437-21cat23:03:212
1201992318,3cyclictest33-21ksoftirqd/223:18:102
1201992318,3cyclictest33-21ksoftirqd/221:28:082
1201992318,3cyclictest33-21ksoftirqd/201:33:122
1201992317,3cyclictest33-21ksoftirqd/222:03:042
1201992317,3cyclictest33-21ksoftirqd/220:58:182
1201992317,3cyclictest33-21ksoftirqd/220:48:312
1201992317,3cyclictest33-21ksoftirqd/220:27:482
1201992317,3cyclictest33-21ksoftirqd/220:27:482
1195992317,4cyclictest25-21ksoftirqd/121:25:261
1195992317,3cyclictest24397-21grep21:08:051
1195992316,4cyclictest25-21ksoftirqd/121:59:421
1195992316,4cyclictest25-21ksoftirqd/121:48:381
1195992316,4cyclictest12394-21grep20:43:051
119599231,4cyclictest31703-21snmp_o5powerctl22:58:161
1190992318,3cyclictest9-21ksoftirqd/000:18:120
1190992318,3cyclictest9-21ksoftirqd/000:17:440
1190992317,3cyclictest9-21ksoftirqd/022:31:570
1190992317,3cyclictest9-21ksoftirqd/021:55:030
1190992317,3cyclictest9-21ksoftirqd/021:22:320
1190992317,3cyclictest9-21ksoftirqd/021:03:000
1190992317,3cyclictest28165-21grep00:33:230
1190992317,3cyclictest23103-21sh01:02:540
1190992316,4cyclictest9-21ksoftirqd/021:12:240
263802220,3sleep126385-21irqrtprio22:18:091
263802220,3sleep126385-21irqrtprio22:18:091
1201992217,3cyclictest33-21ksoftirqd/223:53:082
1201992217,3cyclictest33-21ksoftirqd/221:38:082
1201992217,3cyclictest33-21ksoftirqd/221:08:062
1201992217,3cyclictest33-21ksoftirqd/200:23:222
1201992216,4cyclictest33-21ksoftirqd/221:56:542
119599223,16cyclictest8483-21head00:13:221
119599222,17cyclictest27652-21fschecks_count23:28:081
1195992218,2cyclictest0-21swapper/121:18:301
1195992217,3cyclictest25-21ksoftirqd/122:42:421
1195992216,4cyclictest25-21ksoftirqd/120:59:521
1195992216,3cyclictest25-21ksoftirqd/121:39:221
1195992216,3cyclictest25-21ksoftirqd/120:30:291
1195992216,3cyclictest25-21ksoftirqd/120:30:291
119599221,5cyclictest21728-21apt-get21:03:011
119599221,5cyclictest1509-21ssh00:39:461
119599221,4cyclictest14960-21perl23:48:091
1195992214,5cyclictest21872-21gltestperf00:28:091
119599221,3cyclictest31389-21ssh22:25:551
1190992216,3cyclictest9-21ksoftirqd/022:19:220
1190992216,3cyclictest9-21ksoftirqd/022:19:220
119099221,5cyclictest4212-21chrt23:03:170
1190992215,4cyclictest9-21ksoftirqd/001:33:450
1190992215,4cyclictest4501-21sed23:37:520
1190992215,4cyclictest22088-21unixbench-2d22:48:200
119099221,17cyclictest16996-21apt-get20:53:010
1201992116,3cyclictest33-21ksoftirqd/221:19:322
1201992116,3cyclictest33-21ksoftirqd/201:18:172
1201992115,4cyclictest33-21ksoftirqd/222:28:222
1201992115,3cyclictest33-21ksoftirqd/221:13:062
1195992116,3cyclictest5452-21grep23:38:111
1195992116,3cyclictest25-21ksoftirqd/121:14:071
1195992116,3cyclictest25-21ksoftirqd/100:00:191
1195992116,3cyclictest25-21ksoftirqd/100:00:191
1195992115,3cyclictest2936-21snmp_o5powerctl21:28:141
119599211,4cyclictest24044-21irqstats22:13:101
1195992114,5cyclictest25-21ksoftirqd/123:16:021
1195992114,4cyclictest8894-21cstates00:48:081
1195992114,4cyclictest25-21ksoftirqd/120:51:571
1195992114,4cyclictest25-21ksoftirqd/101:34:581
1195992114,4cyclictest19756-21sh23:53:101
119599211,3cyclictest31203-21ssh01:10:071
1195992113,4cyclictest24071-21timerwakeupswit23:23:211
119599211,17cyclictest0-21swapper/122:54:321
119599210,18cyclictest27590-21diskmemload23:45:491
119099212,8cyclictest13674-21ssh01:25:200
1190992115,4cyclictest9-21ksoftirqd/020:59:190
1190992115,3cyclictest31632-21bc21:23:010
1190992114,4cyclictest2257-21which01:13:200
1190992114,4cyclictest12334-21grep20:43:040
120199202,15cyclictest18655-21head20:53:182
1201992014,3cyclictest29688-21sh00:03:092
1201992014,3cyclictest29688-21sh00:03:092
120199201,3cyclictest6014-21kworker/2:101:03:132
1201992013,4cyclictest30035-21sh22:23:382
1201992013,4cyclictest17078-21cat21:58:102
1201992013,4cyclictest1343-21sh00:39:292
119599208,9cyclictest29609-21seq00:35:471
1195992016,2cyclictest0-21swapper/100:10:581
1195992015,3cyclictest25-21ksoftirqd/122:43:461
1195992014,4cyclictest3554-21irqstats01:48:141
1195992014,4cyclictest16551-21sh00:54:591
1195992014,3cyclictest8308-21sh01:19:441
1195992014,3cyclictest30096-21/usr/sbin/munin01:43:251
1195992014,3cyclictest19123-21gltestperf00:58:101
1195992013,4cyclictest9916-21sh20:38:021
1195992013,4cyclictest5603-21sh00:43:251
1195992013,4cyclictest26039-21sh01:04:361
1195992013,4cyclictest1028-21sh00:07:231
1195992013,4cyclictest1028-21sh00:07:231
119599201,15cyclictest0-21swapper/101:38:121
119599201,15cyclictest0-21swapper/101:38:121
1190992015,3cyclictest23829-21mailstats23:23:150
1190992014,4cyclictest9-21ksoftirqd/000:57:030
1190992014,3cyclictest4525-21sed00:43:130
1190992014,3cyclictest31846-21wc01:43:240
1190992014,3cyclictest24268-21/usr/sbin/munin23:58:070
1190992014,3cyclictest24268-21/usr/sbin/munin23:58:070
119099201,3cyclictest27590-21diskmemload00:26:500
119099201,3cyclictest2376-21ssh00:41:140
119099201,3cyclictest1638-21ssh23:01:400
1190992013,4cyclictest27927-21grep21:13:130
1190992013,4cyclictest27590-21diskmemload23:49:000
1190992013,4cyclictest27590-21diskmemload22:26:200
1190992013,4cyclictest27590-21diskmemload01:28:060
1190992013,4cyclictest27590-21diskmemload00:10:520
119099201,2cyclictest0-21swapper/022:14:390
119099201,17cyclictest0-21swapper/022:08:230
119099201,17cyclictest0-21swapper/022:00:350
119099201,16cyclictest11796-21snmp_o5powerctl22:38:160
119099201,16cyclictest0-21swapper/023:47:410
1195991913,3cyclictest19252-21sh00:24:571
119599191,16cyclictest0-21swapper/101:14:191
1190991913,4cyclictest27590-21diskmemload23:18:190
1190991913,3cyclictest9-21ksoftirqd/021:38:500
1190991913,3cyclictest27590-21diskmemload22:32:540
119099191,16cyclictest0-21swapper/020:37:570
1190991911,5cyclictest21822-21gltestperf00:28:090
1190991911,5cyclictest19585-21cpuspeed_turbos23:53:080
1195991812,4cyclictest21878-21awk22:48:181
119099181,15cyclictest0-21swapper/022:44:480
119099180,16cyclictest0-21swapper/000:03:010
119099180,16cyclictest0-21swapper/000:03:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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