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2026-07-17 - 03:26
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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 Fri Jul 17, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2470221800,4sleep13115299cyclictest02:27:171
1068911230,9ptp4l17097-21kworker/3:121:08:163
106891760,1ptp4l401ktimersoftd/300:12:593
106891730,1ptp4l401ktimersoftd/301:41:393
106891710,1ptp4l401ktimersoftd/301:21:323
106891710,1ptp4l401ktimersoftd/301:21:323
54872680,4sleep33116499cyclictest23:55:113
106891680,1ptp4l401ktimersoftd/302:39:033
106891620,1ptp4l401ktimersoftd/300:41:373
106891580,1ptp4l401ktimersoftd/323:23:473
106891560,1ptp4l401ktimersoftd/322:41:173
106891550,1ptp4l401ktimersoftd/300:23:583
87402540,2sleep30-21swapper/301:05:093
283492520,2sleep00-21swapper/000:19:330
108732470,3sleep20-21swapper/223:28:202
106891460,1ptp4l401ktimersoftd/300:54:323
106891410,1ptp4l401ktimersoftd/323:45:033
106891410,17ptp4l401ktimersoftd/323:00:143
106891400,1ptp4l401ktimersoftd/300:35:163
31147993931,5cyclictest9-21ksoftirqd/021:14:580
106891390,1ptp4l401ktimersoftd/302:10:103
106891390,1ptp4l401ktimersoftd/301:03:133
288252380,1sleep20-21swapper/202:30:592
236392380,1sleep00-21swapper/023:40:180
236392380,1sleep00-21swapper/023:40:180
106891380,2ptp4l6080-21kworker/3:101:37:283
106891380,1ptp4l401ktimersoftd/323:34:293
106891380,1ptp4l401ktimersoftd/323:12:063
106891380,1ptp4l401ktimersoftd/301:53:583
106891380,1ptp4l401ktimersoftd/300:58:213
106891380,1ptp4l401ktimersoftd/300:26:583
106891380,1ptp4l401ktimersoftd/300:16:283
106891380,1ptp4l401ktimersoftd/300:07:173
106891380,1ptp4l401ktimersoftd/300:03:063
106891380,0ptp4l401ktimersoftd/323:54:043
106891380,0ptp4l401ktimersoftd/301:48:043
106891370,1ptp4l401ktimersoftd/323:34:523
106891370,1ptp4l401ktimersoftd/323:26:423
106891370,1ptp4l401ktimersoftd/323:17:043
106891370,1ptp4l401ktimersoftd/302:23:073
106891370,1ptp4l401ktimersoftd/302:15:483
106891370,1ptp4l401ktimersoftd/301:55:013
106891370,1ptp4l401ktimersoftd/301:26:273
106891370,1ptp4l401ktimersoftd/301:26:273
106891370,1ptp4l401ktimersoftd/301:17:093
106891370,1ptp4l401ktimersoftd/301:11:103
106891370,1ptp4l401ktimersoftd/300:34:143
31147993626,6cyclictest9-21ksoftirqd/001:55:050
106891360,1ptp4l401ktimersoftd/321:16:153
106891360,1ptp4l401ktimersoftd/302:01:543
106891360,0ptp4l401ktimersoftd/322:14:433
106891360,0ptp4l401ktimersoftd/302:25:253
106891360,0ptp4l401ktimersoftd/302:07:403
106891350,1ptp4l401ktimersoftd/301:31:483
31147993421,7cyclictest9-21ksoftirqd/002:20:060
106891340,1ptp4l401ktimersoftd/323:41:443
106891340,1ptp4l401ktimersoftd/323:41:443
106891330,2ptp4l17097-21kworker/3:121:24:423
68692320,2sleep20-21swapper/223:56:262
303342326,11sleep20-21swapper/221:05:142
298752320,2sleep10-21swapper/100:54:141
106891320,1ptp4l401ktimersoftd/322:56:413
106891320,1ptp4l401ktimersoftd/322:35:113
106891320,1ptp4l401ktimersoftd/300:45:163
106891320,12ptp4l401ktimersoftd/322:48:363
3115299313,21cyclictest0-21swapper/123:35:011
106891310,9ptp4l401ktimersoftd/322:05:053
106891310,1ptp4l401ktimersoftd/302:30:593
31147993024,4cyclictest28560-21kworker/0:122:45:010
31147993024,3cyclictest9-21ksoftirqd/002:04:530
304692305,11sleep00-21swapper/021:05:160
106891300,0ptp4l401ktimersoftd/322:27:223
31158992922,4cyclictest33-21ksoftirqd/200:31:272
31147992924,3cyclictest9-21ksoftirqd/023:59:500
31147992924,3cyclictest9-21ksoftirqd/001:25:060
31147992924,3cyclictest9-21ksoftirqd/001:25:060
31147992923,3cyclictest9-21ksoftirqd/021:55:160
296202296,10sleep10-21swapper/121:05:051
267432290,2sleep20-21swapper/223:44:502
250992290,1sleep20-21swapper/201:21:132
250992290,1sleep20-21swapper/201:21:132
106891290,1ptp4l401ktimersoftd/322:50:003
3114799284,13cyclictest2203-21ssh02:05:080
3114799283,14cyclictest21757-21ssh02:25:040
31147992823,3cyclictest9-21ksoftirqd/000:50:120
31147992822,3cyclictest9-21ksoftirqd/022:19:470
31147992822,3cyclictest9-21ksoftirqd/002:10:060
31147992821,4cyclictest9-21ksoftirqd/021:20:080
106891280,1ptp4l401ktimersoftd/321:50:073
106891280,1ptp4l401ktimersoftd/321:50:073
31164992720,4cyclictest41-21ksoftirqd/322:01:253
31164992720,4cyclictest41-21ksoftirqd/321:35:433
31158992720,4cyclictest33-21ksoftirqd/222:15:452
3114799274,13cyclictest29816-21ssh23:15:010
31147992722,3cyclictest9-21ksoftirqd/023:29:490
31147992722,3cyclictest9-21ksoftirqd/021:39:460
31147992721,3cyclictest9-21ksoftirqd/022:14:480
31147992720,3cyclictest9-21ksoftirqd/023:10:070
31147992715,9cyclictest9-21ksoftirqd/000:59:510
106891270,11ptp4l401ktimersoftd/321:28:533
106891270,0ptp4l401ktimersoftd/321:40:473
31164992621,3cyclictest41-21ksoftirqd/321:14:463
31164992620,3cyclictest41-21ksoftirqd/321:57:343
31158992620,3cyclictest33-21ksoftirqd/222:02:522
31158992620,3cyclictest33-21ksoftirqd/200:36:042
31158992619,4cyclictest9030-21cron21:29:462
31158992619,4cyclictest33-21ksoftirqd/221:46:502
31152992619,4cyclictest25-21ksoftirqd/121:37:101
31152992617,6cyclictest14289-21ssh23:30:451
3114799262,17cyclictest0-21swapper/022:50:000
31147992621,3cyclictest9-21ksoftirqd/001:24:520
31147992621,3cyclictest9-21ksoftirqd/001:24:520
31147992620,3cyclictest9-21ksoftirqd/002:35:110
31147992620,3cyclictest9-21ksoftirqd/001:39:260
31147992619,4cyclictest2929-21cron22:24:470
31147992619,3cyclictest9-21ksoftirqd/001:30:100
129812260,2sleep10-21swapper/122:45:031
106891260,1ptp4l401ktimersoftd/322:22:303
106891260,1ptp4l401ktimersoftd/322:19:463
106891260,0ptp4l401ktimersoftd/321:45:043
31164992518,4cyclictest41-21ksoftirqd/323:05:563
3115899257,9cyclictest0-21swapper/201:25:052
3115899257,9cyclictest0-21swapper/201:25:052
31158992520,3cyclictest33-21ksoftirqd/223:41:082
31158992520,3cyclictest33-21ksoftirqd/223:41:082
31158992520,3cyclictest33-21ksoftirqd/222:10:372
31158992519,3cyclictest33-21ksoftirqd/223:09:292
31158992518,4cyclictest33-21ksoftirqd/221:52:532
31158992518,4cyclictest33-21ksoftirqd/221:52:532
31158992518,4cyclictest33-21ksoftirqd/201:38:082
31158992518,4cyclictest33-21ksoftirqd/201:08:132
31158992512,6cyclictest0-21swapper/201:50:042
31158992511,11cyclictest9709-21seq22:35:462
3115299252,19cyclictest13758-21irqrtprio01:10:121
31152992518,4cyclictest25-21ksoftirqd/122:57:071
3114799253,15cyclictest64-21kswapd001:10:040
3114799253,12cyclictest3348-21ssh01:00:050
31147992520,3cyclictest9-21ksoftirqd/023:35:080
31147992520,3cyclictest9-21ksoftirqd/023:30:230
31147992520,3cyclictest9-21ksoftirqd/022:05:060
31147992520,3cyclictest9-21ksoftirqd/000:30:190
31147992519,3cyclictest9-21ksoftirqd/021:47:170
31164992418,3cyclictest41-21ksoftirqd/322:31:123
31158992419,3cyclictest33-21ksoftirqd/200:10:092
31158992418,3cyclictest33-21ksoftirqd/222:26:562
31158992418,3cyclictest33-21ksoftirqd/222:19:512
31158992418,3cyclictest33-21ksoftirqd/221:58:432
31158992418,3cyclictest33-21ksoftirqd/221:41:562
31158992418,3cyclictest33-21ksoftirqd/202:19:522
31158992417,4cyclictest33-21ksoftirqd/221:32:412
3115899240,12cyclictest264902ssh00:16:232
3115299242,18cyclictest30667-21sed22:14:481
31152992419,3cyclictest25-21ksoftirqd/101:07:311
31152992419,3cyclictest25-21ksoftirqd/100:34:511
31152992418,3cyclictest25-21ksoftirqd/121:32:301
31152992411,10cyclictest30208-21fschecks_time23:15:061
31147992419,3cyclictest9-21ksoftirqd/002:30:120
31147992419,3cyclictest9-21ksoftirqd/000:14:500
31147992418,3cyclictest9-21ksoftirqd/022:56:300
31147992418,3cyclictest9-21ksoftirqd/002:16:120
31147992417,4cyclictest9-21ksoftirqd/022:41:440
31147992417,4cyclictest9-21ksoftirqd/000:49:200
31147992417,4cyclictest9-21ksoftirqd/000:07:040
106891240,1ptp4l401ktimersoftd/321:30:133
3115899233,18cyclictest8536-21kworker/2:001:15:022
31158992318,3cyclictest21619-21awk23:39:492
31158992317,3cyclictest33-21ksoftirqd/221:20:252
31158992314,5cyclictest18854-21latency_hist00:09:502
3115899231,19cyclictest8588-21smartctl02:10:172
3115299237,14cyclictest18389-21gltestperf01:15:081
31152992318,3cyclictest25-21ksoftirqd/123:03:371
31152992316,4cyclictest32613-21/usr/sbin/munin01:30:151
31152992316,4cyclictest25-21ksoftirqd/123:08:191
31152992316,4cyclictest25-21ksoftirqd/122:53:501
31152992316,4cyclictest25-21ksoftirqd/121:45:491
31152992316,4cyclictest25-21ksoftirqd/121:13:011
31147992318,3cyclictest9-21ksoftirqd/021:40:050
31147992317,3cyclictest9-21ksoftirqd/023:49:380
31147992317,3cyclictest9-21ksoftirqd/022:01:300
31147992317,3cyclictest9-21ksoftirqd/000:00:090
31147992316,4cyclictest9-21ksoftirqd/000:21:330
31147992316,4cyclictest31456-21apt-config21:09:470
169232230,4sleep23115899cyclictest22:50:182
31158992216,3cyclictest33-21ksoftirqd/223:53:462
31158992216,3cyclictest33-21ksoftirqd/222:41:532
31158992216,3cyclictest33-21ksoftirqd/221:16:192
31158992216,3cyclictest33-21ksoftirqd/202:22:122
31158992216,3cyclictest33-21ksoftirqd/202:05:592
31158992215,4cyclictest33-21ksoftirqd/202:37:022
3115299223,16cyclictest14469-21cron01:44:521
31152992216,4cyclictest17082-21cstates02:20:071
31152992216,3cyclictest25-21ksoftirqd/122:42:191
31152992216,3cyclictest25-21ksoftirqd/122:28:031
31147992217,3cyclictest9-21ksoftirqd/023:03:070
31147992217,3cyclictest9-21ksoftirqd/001:40:090
31147992217,3cyclictest9-21ksoftirqd/001:18:590
31147992217,3cyclictest9-21ksoftirqd/001:05:210
31147992215,4cyclictest9-21ksoftirqd/022:28:400
272802220,2sleep20-21swapper/223:11:142
3115899213,3cyclictest25316-21kworker/2:122:34:262
31158992115,3cyclictest33-21ksoftirqd/223:32:052
31158992115,3cyclictest33-21ksoftirqd/222:55:072
31158992115,3cyclictest33-21ksoftirqd/222:05:562
31158992114,4cyclictest6641-21sh23:24:292
31158992114,4cyclictest6631-21sh01:02:512
31158992114,4cyclictest5699-21sh00:29:282
31158992114,4cyclictest33-21ksoftirqd/200:00:482
31158992114,4cyclictest32700-21sh00:55:222
3115899211,18cyclictest0-21swapper/223:17:372
3115899211,18cyclictest0-21swapper/200:51:282
3115899210,19cyclictest0-21swapper/201:12:042
31152992116,3cyclictest25-21ksoftirqd/101:21:081
31152992116,3cyclictest25-21ksoftirqd/101:21:081
31152992115,4cyclictest25-21ksoftirqd/122:16:321
31152992115,4cyclictest25-21ksoftirqd/121:29:031
31152992115,4cyclictest25-21ksoftirqd/121:15:581
31152992115,3cyclictest25-21ksoftirqd/121:20:211
31152992115,3cyclictest25-21ksoftirqd/101:45:051
31152992115,3cyclictest11084-21unixbench_singl00:00:211
31152992114,4cyclictest25-21ksoftirqd/122:07:011
31152992114,4cyclictest25-21ksoftirqd/101:00:411
31152992114,4cyclictest24843-21ls01:55:061
3115299211,3cyclictest6021-21grep23:55:191
3115299211,3cyclictest2011-21ssh02:04:551
3115299211,17cyclictest0-21swapper/101:27:091
3115299211,17cyclictest0-21swapper/101:27:091
31152992111,3cyclictest24253-21expr00:15:041
31147992114,4cyclictest9-21ksoftirqd/023:08:140
31147992114,4cyclictest9-21ksoftirqd/022:37:190
31147992114,4cyclictest16003-21/usr/sbin/munin00:40:040
3114799210,3cyclictest121rcu_preempt00:36:560
2841222113,3sleep125-21ksoftirqd/123:45:181
31158992014,3cyclictest9933-21/usr/sbin/munin01:40:062
31158992014,3cyclictest33-21ksoftirqd/221:36:142
3115899201,3cyclictest25841-21ssh02:29:142
31158992013,4cyclictest33-21ksoftirqd/222:46:562
31158992013,4cyclictest32524-21sh02:02:212
31158992013,4cyclictest18438-21sh00:41:142
3115899201,17cyclictest0-21swapper/200:20:072
31152992014,4cyclictest2496-21sh02:38:081
31152992014,3cyclictest30975-21sh02:00:191
31152992014,3cyclictest25-21ksoftirqd/121:51:181
31152992014,3cyclictest25-21ksoftirqd/121:51:181
31152992014,3cyclictest25-21ksoftirqd/102:10:071
31152992014,3cyclictest24568-21sh23:41:301
31152992014,3cyclictest24568-21sh23:41:301
31152992014,3cyclictest22268-21awk21:55:071
31152992014,3cyclictest16988-21sh00:06:561
3115299201,3cyclictest15190-21ssh00:39:031
31152992013,4cyclictest8223-21df_inode22:35:021
31152992013,4cyclictest30006-21sh02:33:021
31152992013,4cyclictest25-21ksoftirqd/122:21:261
31152992013,4cyclictest19697-21acpi01:50:041
31152992013,4cyclictest1695-21expr00:25:051
31152992012,5cyclictest25-21ksoftirqd/100:20:071
3115299201,16cyclictest9115-21ssh23:25:211
31147992015,3cyclictest9-21ksoftirqd/022:34:480
31147992014,3cyclictest9-21ksoftirqd/021:26:130
31147992014,3cyclictest1319-21sh00:24:580
31147992013,4cyclictest32514-1kworker/u9:101:49:530
31147992013,4cyclictest18748-21/usr/sbin/munin21:50:010
31147992013,4cyclictest18748-21/usr/sbin/munin21:50:010
31147992013,4cyclictest10162-21sed21:30:040
199392200,3sleep00-21swapper/001:50:060
31158991913,3cyclictest32106-21basename21:10:032
31158991913,3cyclictest2551-21sh01:31:062
31158991913,3cyclictest25468-21cut01:55:112
31158991913,3cyclictest22117-21latency_hist23:04:492
31158991912,4cyclictest47150irq/102-ens3-Tx00:45:092
31158991912,4cyclictest14754-21sh01:44:592
3115299199,7cyclictest12125-21cpuspeed_turbos02:15:061
31152991914,3cyclictest25-21ksoftirqd/123:24:491
31152991913,3cyclictest31508-21cat00:55:101
31152991913,3cyclictest25-21ksoftirqd/123:14:461
31152991912,4cyclictest5866-21sed01:35:111
31152991912,4cyclictest5528-21/usr/sbin/munin22:30:091
31152991912,4cyclictest32402-21ls23:50:071
31152991912,4cyclictest24674-21open_inodes22:00:091
31152991912,4cyclictest22249-21ptp4l00:45:151
31152991912,4cyclictest16005-21acpi00:40:021
3115299190,3cyclictest121rcu_preempt00:13:061
31147991913,3cyclictest32571-21irqrtprio23:50:090
31147991912,4cyclictest2539-21expr23:20:030
31152991811,4cyclictest14910-21irqrtprio21:40:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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