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2026-08-19 - 04:03
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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 792 highest latencies:
System rackbslot6.osadl.org (updated Wed Aug 19, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2986621470,4sleep23010399cyclictest02:18:022
1338421460,3sleep33010899cyclictest21:58:033
1068911070,4ptp4l401ktimersoftd/321:23:583
106891910,2ptp4l401ktimersoftd/301:43:093
106891700,1ptp4l401ktimersoftd/300:16:043
223732630,2sleep10-21swapper/100:32:131
106891630,1ptp4l401ktimersoftd/300:11:423
32012590,2sleep20-21swapper/201:49:352
12042590,2sleep00-21swapper/001:15:480
30096995844,6cyclictest25-21ksoftirqd/100:38:161
297582584,41sleep20-21swapper/221:25:052
262232570,3sleep20-21swapper/200:03:162
262232570,3sleep20-21swapper/200:03:162
106891570,1ptp4l401ktimersoftd/302:40:183
106891570,1ptp4l401ktimersoftd/302:36:273
106891570,1ptp4l401ktimersoftd/300:52:103
301992560,2sleep00-21swapper/001:13:030
30096995643,6cyclictest25-21ksoftirqd/121:53:111
111262560,2sleep00-21swapper/021:53:140
106891560,1ptp4l401ktimersoftd/302:20:333
106891560,1ptp4l401ktimersoftd/300:23:013
318552550,2sleep30-21swapper/300:41:353
291782550,5sleep029182-21timerandwakeup02:48:350
106891550,1ptp4l401ktimersoftd/301:31:563
106891540,1ptp4l401ktimersoftd/323:55:443
30096995340,6cyclictest25-21ksoftirqd/101:23:151
213652520,2sleep30-21swapper/323:23:023
132372520,2sleep10-21swapper/121:58:011
30096995140,4cyclictest25-21ksoftirqd/101:48:171
153412510,2sleep30-21swapper/323:52:163
30096994837,5cyclictest25-21ksoftirqd/123:38:171
106891470,2ptp4l9643-21kworker/3:021:48:593
106891470,1ptp4l401ktimersoftd/321:55:063
106891460,2ptp4l9643-21kworker/3:022:48:123
129722450,2sleep00-21swapper/000:54:330
106891450,1ptp4l401ktimersoftd/323:32:223
106891440,1ptp4l401ktimersoftd/302:50:193
106891430,1ptp4l401ktimersoftd/300:03:563
106891430,1ptp4l401ktimersoftd/300:03:563
30096994231,5cyclictest25-21ksoftirqd/121:43:081
30096994129,5cyclictest25-21ksoftirqd/123:43:141
30096994028,10cyclictest25-21ksoftirqd/101:03:241
106891400,1ptp4l401ktimersoftd/302:06:283
30096993929,5cyclictest25-21ksoftirqd/102:28:191
106891390,1ptp4l401ktimersoftd/323:40:293
106891390,1ptp4l401ktimersoftd/301:19:283
106891390,1ptp4l401ktimersoftd/301:05:233
106891380,1ptp4l401ktimersoftd/321:38:233
106891380,1ptp4l401ktimersoftd/302:53:563
106891380,1ptp4l401ktimersoftd/302:10:363
106891380,1ptp4l401ktimersoftd/301:01:013
106891380,1ptp4l401ktimersoftd/300:45:333
106891380,1ptp4l401ktimersoftd/300:35:303
106891380,1ptp4l401ktimersoftd/300:01:393
106891380,1ptp4l401ktimersoftd/300:01:393
30096993727,4cyclictest25-21ksoftirqd/100:43:161
106891370,1ptp4l401ktimersoftd/323:43:443
106891370,1ptp4l401ktimersoftd/323:34:173
106891370,1ptp4l401ktimersoftd/323:27:493
106891370,1ptp4l401ktimersoftd/322:58:183
106891370,1ptp4l401ktimersoftd/322:40:443
106891370,1ptp4l401ktimersoftd/302:43:423
106891370,1ptp4l401ktimersoftd/302:26:053
106891370,1ptp4l401ktimersoftd/302:14:313
106891370,1ptp4l401ktimersoftd/302:02:523
106891370,1ptp4l401ktimersoftd/301:53:583
106891370,1ptp4l401ktimersoftd/301:49:143
106891360,1ptp4l401ktimersoftd/322:08:223
106891360,1ptp4l401ktimersoftd/301:11:453
106891360,1ptp4l401ktimersoftd/300:33:013
106891360,1ptp4l401ktimersoftd/300:26:383
106891360,0ptp4l401ktimersoftd/321:45:233
106891360,0ptp4l401ktimersoftd/301:23:493
106891360,0ptp4l401ktimersoftd/300:54:463
30096993525,4cyclictest25-21ksoftirqd/122:28:131
30096993429,3cyclictest25-21ksoftirqd/101:38:041
30096993429,3cyclictest25-21ksoftirqd/101:38:041
30096993428,3cyclictest25-21ksoftirqd/101:48:041
292812347,12sleep10-21swapper/121:23:271
106891340,1ptp4l401ktimersoftd/301:36:063
106891340,1ptp4l401ktimersoftd/301:36:063
30096993326,4cyclictest25-21ksoftirqd/101:58:331
106891330,1ptp4l401ktimersoftd/301:38:413
89212320,2sleep00-21swapper/000:18:190
30096993226,3cyclictest25-21ksoftirqd/101:58:041
3009699321,28cyclictest5828-21cron21:42:581
30089993225,4cyclictest8194-21cron21:47:580
106891320,1ptp4l401ktimersoftd/322:45:453
106891320,11ptp4l401ktimersoftd/322:20:103
106891320,11ptp4l401ktimersoftd/322:20:103
106891320,10ptp4l401ktimersoftd/323:05:033
106891320,0ptp4l401ktimersoftd/301:15:143
30103993125,4cyclictest33-21ksoftirqd/201:18:252
30096993126,3cyclictest25-21ksoftirqd/101:03:041
30096993125,3cyclictest25-21ksoftirqd/101:43:041
30096993125,3cyclictest25-21ksoftirqd/100:58:031
106891310,1ptp4l401ktimersoftd/322:25:253
30096993025,3cyclictest25-21ksoftirqd/122:43:011
30096993025,3cyclictest25-21ksoftirqd/101:18:041
30096993025,3cyclictest25-21ksoftirqd/100:53:031
30096993024,3cyclictest25-21ksoftirqd/101:18:191
30096993013,4cyclictest25-21ksoftirqd/102:43:291
30089993016,7cyclictest0-21swapper/001:58:160
189542300,7sleep0101ktimersoftd/023:54:420
106891300,0ptp4l401ktimersoftd/322:17:023
30103992924,3cyclictest33-21ksoftirqd/201:33:042
30103992923,4cyclictest33-21ksoftirqd/202:58:052
30103992923,3cyclictest33-21ksoftirqd/221:58:212
30103992922,4cyclictest33-21ksoftirqd/200:35:232
30096992924,3cyclictest25-21ksoftirqd/121:33:031
30096992924,3cyclictest25-21ksoftirqd/102:48:361
30096992924,3cyclictest25-21ksoftirqd/100:18:331
30096992923,3cyclictest25-21ksoftirqd/123:53:211
30096992923,3cyclictest25-21ksoftirqd/122:18:001
30089992924,3cyclictest9-21ksoftirqd/001:08:040
281942295,10sleep00-21swapper/021:23:130
30103992821,4cyclictest33-21ksoftirqd/222:43:022
30103992821,4cyclictest33-21ksoftirqd/202:30:462
30096992823,3cyclictest25-21ksoftirqd/123:33:241
30096992823,3cyclictest25-21ksoftirqd/122:38:001
30096992823,3cyclictest25-21ksoftirqd/100:38:031
30096992823,3cyclictest25-21ksoftirqd/100:08:151
30096992822,4cyclictest25-21ksoftirqd/100:13:191
30096992822,3cyclictest25-21ksoftirqd/123:53:011
30096992822,3cyclictest25-21ksoftirqd/122:23:241
30096992822,3cyclictest25-21ksoftirqd/122:07:591
30096992822,3cyclictest25-21ksoftirqd/102:53:221
30096992822,3cyclictest25-21ksoftirqd/102:08:181
30096992822,3cyclictest25-21ksoftirqd/101:33:041
30089992821,5cyclictest9-21ksoftirqd/023:33:010
153492280,4sleep0101ktimersoftd/001:29:460
106891280,1ptp4l401ktimersoftd/323:16:193
30103992722,3cyclictest33-21ksoftirqd/221:40:412
30103992722,3cyclictest33-21ksoftirqd/201:03:042
30103992720,4cyclictest33-21ksoftirqd/223:10:282
30103992720,4cyclictest33-21ksoftirqd/200:08:142
30103992719,5cyclictest33-21ksoftirqd/222:36:122
30096992722,3cyclictest25-21ksoftirqd/123:18:011
30096992722,3cyclictest25-21ksoftirqd/123:13:011
30096992722,3cyclictest25-21ksoftirqd/121:48:191
30096992722,3cyclictest25-21ksoftirqd/100:25:381
30096992721,3cyclictest25-21ksoftirqd/102:28:061
30096992721,3cyclictest25-21ksoftirqd/100:03:181
30096992721,3cyclictest25-21ksoftirqd/100:03:181
30096992721,3cyclictest25-21ksoftirqd/100:03:021
30096992721,3cyclictest25-21ksoftirqd/100:03:021
30096992719,5cyclictest25-21ksoftirqd/122:53:301
30096992716,6cyclictest241ktimersoftd/123:18:141
30089992722,3cyclictest9-21ksoftirqd/021:33:030
30089992721,3cyclictest9-21ksoftirqd/022:41:320
30089992720,4cyclictest9-21ksoftirqd/001:44:430
106891270,0ptp4l401ktimersoftd/321:31:233
30108992621,3cyclictest41-21ksoftirqd/322:28:313
30108992619,4cyclictest41-21ksoftirqd/322:34:323
30103992619,4cyclictest33-21ksoftirqd/200:57:282
30103992619,3cyclictest33-21ksoftirqd/223:53:022
30096992621,3cyclictest25-21ksoftirqd/123:28:181
30096992621,3cyclictest25-21ksoftirqd/123:08:011
30096992621,3cyclictest25-21ksoftirqd/121:32:591
30096992621,3cyclictest25-21ksoftirqd/102:38:061
30096992621,3cyclictest25-21ksoftirqd/102:13:171
30096992621,3cyclictest25-21ksoftirqd/101:08:181
30096992620,3cyclictest25-21ksoftirqd/102:23:061
30096992620,3cyclictest25-21ksoftirqd/102:03:251
30096992619,4cyclictest6417-21/usr/sbin/munin22:48:291
30089992621,3cyclictest9-21ksoftirqd/000:18:020
30089992620,3cyclictest9-21ksoftirqd/002:23:050
30108992518,4cyclictest41-21ksoftirqd/323:09:053
30108992518,4cyclictest41-21ksoftirqd/322:04:573
30103992520,3cyclictest33-21ksoftirqd/223:23:312
30103992520,3cyclictest33-21ksoftirqd/222:28:212
30103992519,3cyclictest33-21ksoftirqd/223:34:342
30103992519,3cyclictest33-21ksoftirqd/221:28:032
30103992519,3cyclictest33-21ksoftirqd/202:48:062
30103992518,4cyclictest33-21ksoftirqd/223:17:272
30103992518,4cyclictest33-21ksoftirqd/223:04:462
30103992518,4cyclictest33-21ksoftirqd/222:19:462
30103992518,4cyclictest33-21ksoftirqd/222:19:462
30103992518,4cyclictest33-21ksoftirqd/222:12:192
30096992520,3cyclictest25-21ksoftirqd/122:58:201
30089992519,3cyclictest9-21ksoftirqd/023:25:350
30089992518,4cyclictest9-21ksoftirqd/023:04:080
30089992518,4cyclictest9-21ksoftirqd/021:52:530
30089992518,4cyclictest5430-21sed22:48:170
3008999251,21cyclictest19551-21snmp_o5powerctl22:08:280
193232250,4sleep219327-21timerandwakeup02:38:332
30103992420,3cyclictest33-21ksoftirqd/202:10:002
30103992419,3cyclictest33-21ksoftirqd/221:33:032
30103992419,3cyclictest33-21ksoftirqd/200:48:222
30103992419,3cyclictest33-21ksoftirqd/200:44:182
30103992418,3cyclictest33-21ksoftirqd/223:22:592
30103992418,3cyclictest33-21ksoftirqd/222:25:162
30103992417,5cyclictest33-21ksoftirqd/201:33:272
30103992417,5cyclictest33-21ksoftirqd/201:33:272
30103992417,4cyclictest33-21ksoftirqd/221:51:432
30103992417,4cyclictest10319-21cat01:58:052
30096992419,3cyclictest25-21ksoftirqd/122:22:221
30096992419,3cyclictest25-21ksoftirqd/122:22:221
30096992418,3cyclictest233-21systemd-journal23:28:021
30096992417,4cyclictest25-21ksoftirqd/122:12:021
3008999247,14cyclictest16018-21cat22:03:150
30089992418,3cyclictest9-21ksoftirqd/023:19:010
30089992417,4cyclictest9-21ksoftirqd/021:38:330
30089992416,6cyclictest29565-1kworker/u9:223:34:240
207272240,1sleep20-21swapper/200:29:252
106891240,1ptp4l401ktimersoftd/322:53:133
106891240,1ptp4l401ktimersoftd/321:33:243
106891240,1ptp4l401ktimersoftd/302:28:203
30103992318,3cyclictest33-21ksoftirqd/202:03:262
30103992318,3cyclictest33-21ksoftirqd/201:23:322
30103992317,4cyclictest33-21ksoftirqd/201:13:182
30103992316,4cyclictest33-21ksoftirqd/221:56:372
30103992316,4cyclictest33-21ksoftirqd/221:45:292
3010399231,20cyclictest12527-21kworker/2:101:58:172
3010399231,17cyclictest27569-21apt-get02:48:172
30103992310,6cyclictest0-21swapper/201:43:152
30096992317,3cyclictest25-21ksoftirqd/102:38:221
3008999233,13cyclictest22668-21ssh02:43:190
3008999232,12cyclictest15565-21ssh02:03:190
30089992318,3cyclictest9-21ksoftirqd/022:13:170
30089992317,3cyclictest9-21ksoftirqd/023:48:320
30089992317,3cyclictest9-21ksoftirqd/022:31:470
30089992317,3cyclictest9-21ksoftirqd/002:24:380
30089992317,3cyclictest9-21ksoftirqd/000:51:150
30089992317,3cyclictest23412-21sed22:18:170
30089992317,3cyclictest23412-21sed22:18:170
30089992316,4cyclictest9-21ksoftirqd/023:01:470
30089992316,4cyclictest9-21ksoftirqd/022:34:450
3008999231,4cyclictest23640-21diskmemload02:14:560
3008999230,4cyclictest8686-21snmp_o5powerctl22:53:280
30103992215,4cyclictest33-21ksoftirqd/222:53:462
30103992215,4cyclictest16998-21ps22:03:232
30089992217,3cyclictest9-21ksoftirqd/001:48:310
30089992216,3cyclictest9-21ksoftirqd/023:16:180
30089992216,3cyclictest9-21ksoftirqd/000:33:330
30089992214,5cyclictest1877-21unixbench_singl02:53:350
3008999221,19cyclictest0-21swapper/023:47:280
3010399219,5cyclictest0-21swapper/222:58:132
30103992116,3cyclictest33-21ksoftirqd/201:08:262
30103992115,3cyclictest33-21ksoftirqd/222:43:002
30103992115,3cyclictest33-21ksoftirqd/222:17:012
30103992114,4cyclictest6608-21tail22:48:302
30103992114,4cyclictest16622-21sh00:25:442
30103992113,4cyclictest30269-21acpi02:18:182
30096992116,3cyclictest25-21ksoftirqd/122:43:141
30089992117,2cyclictest0-21swapper/021:28:110
30089992116,3cyclictest9-21ksoftirqd/000:58:160
30089992114,4cyclictest9-21ksoftirqd/022:27:340
30089992114,4cyclictest24252-21ssh02:11:520
3008999211,3cyclictest26778-21ssh01:41:410
3008999211,3cyclictest1191-21ssh00:09:310
3008999211,2cyclictest0-21swapper/000:04:150
3008999211,2cyclictest0-21swapper/000:04:150
3008999211,18cyclictest0-21swapper/002:42:300
3008999211,18cyclictest0-21swapper/002:36:020
3008999211,18cyclictest0-21swapper/002:30:120
3008999211,18cyclictest0-21swapper/001:24:410
3010399209,8cyclictest24768-21irqrtprio23:28:212
30103992015,3cyclictest33-21ksoftirqd/223:53:242
30103992015,3cyclictest33-21ksoftirqd/223:43:332
30103992015,3cyclictest33-21ksoftirqd/202:34:322
30103992015,3cyclictest33-21ksoftirqd/202:24:202
30103992014,3cyclictest33-21ksoftirqd/201:38:212
30103992014,3cyclictest11402-21sh00:20:132
30103992013,4cyclictest47150irq/102-ens3-Tx00:13:152
30103992013,4cyclictest24915-21sh01:07:442
30103992010,4cyclictest233-21systemd-journal00:00:352
30103992010,4cyclictest233-21systemd-journal00:00:352
30089992013,4cyclictest5590-21/usr/sbin/munin01:53:270
30089992013,4cyclictest23640-21diskmemload01:18:210
30089992013,4cyclictest14824-21cut23:08:170
3008999201,17cyclictest0-21swapper/023:59:190
3008999201,17cyclictest0-21swapper/023:59:190
3008999201,17cyclictest0-21swapper/022:43:330
3008999201,17cyclictest0-21swapper/022:02:320
3008999201,17cyclictest0-21swapper/000:43:080
3008999201,17cyclictest0-21swapper/000:40:440
3008999201,17cyclictest0-21swapper/000:25:390
30089992011,3cyclictest23640-21diskmemload01:33:370
30089992011,3cyclictest23640-21diskmemload01:33:370
3008999200,2cyclictest0-21swapper/000:31:590
3008999200,18cyclictest0-21swapper/023:38:380
30103991913,3cyclictest33-21ksoftirqd/200:38:242
30103991912,4cyclictest47150irq/102-ens3-Tx23:38:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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