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2025-11-18 - 13:37
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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 all highest latencies:
System rackbslot6.osadl.org (updated Tue Nov 18, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1677421380,3sleep1357199cyclictest22:35:361
1773911040,4ptp4l401ktimersoftd/320:14:313
177391730,1ptp4l401ktimersoftd/323:14:233
32502694,10sleep00-21swapper/020:12:180
177391690,1ptp4l401ktimersoftd/322:24:043
177391660,1ptp4l401ktimersoftd/320:49:473
33362634,10sleep20-21swapper/220:13:252
70392620,3sleep2357999cyclictest20:20:152
47542620,2sleep10-21swapper/100:10:351
47542620,2sleep10-21swapper/100:10:351
55422600,4sleep15537-21systemctl22:25:041
45472600,4sleep233-21ksoftirqd/220:15:222
171062590,3sleep217105-21snmp_o5powerctl01:00:342
177391560,1ptp4l401ktimersoftd/323:51:233
20152550,3sleep10-21swapper/120:10:201
177391550,1ptp4l401ktimersoftd/323:02:343
124342550,5sleep312435-21fschecks_count00:20:243
177391530,2ptp4l971-21kworker/3:022:15:223
197352510,2sleep20-21swapper/221:55:182
7302490,2sleep30-21swapper/322:55:213
177391460,1ptp4l401ktimersoftd/301:18:323
140712460,2sleep30-21swapper/322:34:053
140712460,2sleep30-21swapper/322:34:053
177391450,1ptp4l401ktimersoftd/301:15:083
177391450,1ptp4l401ktimersoftd/300:56:563
177391420,1ptp4l401ktimersoftd/301:06:103
177391420,1ptp4l401ktimersoftd/300:12:293
177391420,1ptp4l401ktimersoftd/300:12:293
177391400,15ptp4l401ktimersoftd/323:35:203
177391390,1ptp4l401ktimersoftd/322:51:093
177391390,1ptp4l401ktimersoftd/301:04:353
177391380,1ptp4l401ktimersoftd/323:26:443
177391380,1ptp4l401ktimersoftd/322:47:483
177391380,1ptp4l401ktimersoftd/322:35:133
177391380,1ptp4l401ktimersoftd/301:37:313
177391380,1ptp4l401ktimersoftd/301:32:183
177391380,1ptp4l401ktimersoftd/300:26:523
177391380,0ptp4l401ktimersoftd/323:47:293
3585993728,4cyclictest41-21ksoftirqd/300:15:193
3585993728,4cyclictest41-21ksoftirqd/300:15:193
3579993726,5cyclictest33-21ksoftirqd/223:55:192
177391370,1ptp4l401ktimersoftd/323:44:303
177391370,1ptp4l401ktimersoftd/323:31:483
177391370,1ptp4l401ktimersoftd/323:19:403
177391370,1ptp4l401ktimersoftd/300:45:403
177391370,1ptp4l401ktimersoftd/300:40:503
177391370,1ptp4l401ktimersoftd/300:30:553
177391370,1ptp4l401ktimersoftd/300:08:133
177391370,1ptp4l401ktimersoftd/300:03:173
177391370,1ptp4l401ktimersoftd/300:03:173
3579993631,3cyclictest33-21ksoftirqd/223:25:062
3579993621,5cyclictest33-21ksoftirqd/222:55:282
177391360,2ptp4l1708-21kworker/3:201:23:153
177391360,0ptp4l401ktimersoftd/301:43:073
3579993523,3cyclictest33-21ksoftirqd/221:50:042
177391350,0ptp4l401ktimersoftd/300:00:003
3579993429,3cyclictest33-21ksoftirqd/223:50:052
3579993427,4cyclictest33-21ksoftirqd/221:20:212
177391340,1ptp4l401ktimersoftd/321:47:343
177391340,0ptp4l401ktimersoftd/320:15:013
3585993328,3cyclictest41-21ksoftirqd/320:30:013
3579993327,3cyclictest33-21ksoftirqd/222:45:052
177391330,1ptp4l401ktimersoftd/323:09:073
177391330,1ptp4l401ktimersoftd/322:27:253
177391330,1ptp4l401ktimersoftd/322:27:253
3585993227,3cyclictest41-21ksoftirqd/322:05:033
3571993225,4cyclictest25-21ksoftirqd/120:25:011
177391320,9ptp4l401ktimersoftd/300:51:593
177391320,2ptp4l1708-21kworker/3:200:35:423
177391320,1ptp4l401ktimersoftd/321:50:163
177391320,1ptp4l401ktimersoftd/320:40:373
930423124,3sleep233-21ksoftirqd/221:30:342
3585993126,3cyclictest41-21ksoftirqd/321:40:263
3579993127,3cyclictest47050irq/102-ens3-Tx23:00:352
3579993126,3cyclictest33-21ksoftirqd/201:00:082
3579993126,3cyclictest33-21ksoftirqd/200:05:272
3579993125,3cyclictest33-21ksoftirqd/223:20:062
3579993125,3cyclictest33-21ksoftirqd/222:20:212
3579993125,3cyclictest33-21ksoftirqd/200:40:262
3579993125,3cyclictest33-21ksoftirqd/200:20:272
177391310,0ptp4l401ktimersoftd/321:15:403
177391310,0ptp4l401ktimersoftd/321:01:553
3585993025,3cyclictest41-21ksoftirqd/322:15:043
3579993025,3cyclictest33-21ksoftirqd/222:25:242
3579993025,3cyclictest33-21ksoftirqd/222:25:242
3579993024,3cyclictest33-21ksoftirqd/200:25:242
177391300,5ptp4l401ktimersoftd/323:22:473
3585992924,3cyclictest41-21ksoftirqd/322:40:373
3585992924,3cyclictest41-21ksoftirqd/301:25:273
3585992917,10cyclictest41-21ksoftirqd/321:25:333
357999299,4cyclictest33-21ksoftirqd/200:35:232
3579992925,3cyclictest311rcuc/221:40:042
3579992924,3cyclictest33-21ksoftirqd/223:25:172
3579992924,3cyclictest33-21ksoftirqd/222:15:042
3579992924,3cyclictest33-21ksoftirqd/221:45:032
3579992924,3cyclictest33-21ksoftirqd/201:30:292
3579992924,3cyclictest33-21ksoftirqd/200:50:382
3579992920,5cyclictest33-21ksoftirqd/201:35:212
3571992924,3cyclictest25-21ksoftirqd/100:05:061
3571992924,3cyclictest25-21ksoftirqd/100:05:061
3567992924,3cyclictest9-21ksoftirqd/020:40:010
3567992924,3cyclictest9-21ksoftirqd/020:40:010
3567992915,4cyclictest9-21ksoftirqd/000:43:220
3585992823,3cyclictest41-21ksoftirqd/321:35:033
3585992823,3cyclictest41-21ksoftirqd/320:55:023
3585992823,3cyclictest41-21ksoftirqd/320:25:013
3585992822,3cyclictest41-21ksoftirqd/320:35:223
3585992822,3cyclictest41-21ksoftirqd/320:35:223
3579992823,3cyclictest33-21ksoftirqd/223:15:052
3579992823,3cyclictest33-21ksoftirqd/222:50:052
3579992823,3cyclictest33-21ksoftirqd/201:40:252
3579992823,3cyclictest33-21ksoftirqd/201:10:222
3579992823,3cyclictest33-21ksoftirqd/200:15:262
3579992823,3cyclictest33-21ksoftirqd/200:15:262
3579992822,3cyclictest33-21ksoftirqd/223:30:242
3579992814,4cyclictest33-21ksoftirqd/200:01:372
3579992814,4cyclictest33-21ksoftirqd/200:01:372
3579992814,11cyclictest33-21ksoftirqd/223:07:362
3579992813,4cyclictest33-21ksoftirqd/220:50:332
3571992822,3cyclictest25-21ksoftirqd/101:37:491
3571992821,4cyclictest25-21ksoftirqd/123:08:441
3571992821,4cyclictest25-21ksoftirqd/121:30:161
3571992814,4cyclictest25-21ksoftirqd/123:20:381
3571992812,3cyclictest25-21ksoftirqd/101:27:131
3567992823,3cyclictest9-21ksoftirqd/021:05:220
3567992822,3cyclictest9-21ksoftirqd/023:35:230
3567992821,4cyclictest9-21ksoftirqd/023:24:010
3567992821,4cyclictest9-21ksoftirqd/001:21:400
265922280,5sleep126598-21missed_timers00:35:281
177391280,11ptp4l401ktimersoftd/321:21:523
119322280,4sleep128284-21kworker/1:220:30:181
82602270,2sleep10-21swapper/100:50:371
3585992722,3cyclictest41-21ksoftirqd/321:55:183
3585992722,3cyclictest41-21ksoftirqd/321:35:173
3579992722,3cyclictest33-21ksoftirqd/223:40:072
3579992722,3cyclictest33-21ksoftirqd/222:40:042
3579992722,3cyclictest33-21ksoftirqd/222:20:042
3579992722,3cyclictest33-21ksoftirqd/220:50:022
3579992722,3cyclictest33-21ksoftirqd/201:10:082
3579992722,3cyclictest33-21ksoftirqd/200:35:072
3579992720,4cyclictest33-21ksoftirqd/221:17:442
3571992721,4cyclictest25-21ksoftirqd/121:03:501
3571992721,3cyclictest25-21ksoftirqd/122:11:391
3571992721,3cyclictest25-21ksoftirqd/122:05:441
3571992720,4cyclictest25-21ksoftirqd/121:46:261
3567992722,3cyclictest9-21ksoftirqd/001:30:080
3567992721,3cyclictest9-21ksoftirqd/023:51:230
3567992720,4cyclictest9-21ksoftirqd/021:47:050
3567992720,4cyclictest9-21ksoftirqd/021:36:530
3567992720,4cyclictest9-21ksoftirqd/020:52:050
177391270,1ptp4l401ktimersoftd/321:06:033
177391270,0ptp4l401ktimersoftd/321:12:383
3585992620,4cyclictest41-21ksoftirqd/320:59:513
3585992620,3cyclictest41-21ksoftirqd/320:30:313
3579992622,3cyclictest33-21ksoftirqd/201:25:272
3579992621,3cyclictest33-21ksoftirqd/221:05:172
3579992621,3cyclictest33-21ksoftirqd/201:25:082
3579992621,3cyclictest33-21ksoftirqd/200:10:232
3579992621,3cyclictest33-21ksoftirqd/200:10:232
3579992621,3cyclictest24830-21kworker/2:121:25:162
3579992620,3cyclictest33-21ksoftirqd/222:50:052
3579992620,3cyclictest33-21ksoftirqd/222:09:182
3571992620,4cyclictest25-21ksoftirqd/121:15:231
3571992620,3cyclictest25-21ksoftirqd/100:46:201
3567992621,3cyclictest9-21ksoftirqd/022:25:210
3567992621,3cyclictest9-21ksoftirqd/022:25:210
3567992621,3cyclictest9-21ksoftirqd/020:45:020
3567992620,4cyclictest9-21ksoftirqd/022:30:390
3567992620,4cyclictest9-21ksoftirqd/022:30:390
3567992620,3cyclictest9-21ksoftirqd/022:09:240
3567992620,3cyclictest9-21ksoftirqd/001:30:500
3567992620,3cyclictest9-21ksoftirqd/000:15:400
3567992620,3cyclictest9-21ksoftirqd/000:15:400
3567992619,4cyclictest9-21ksoftirqd/023:47:370
3567992619,4cyclictest9-21ksoftirqd/021:34:360
3567992619,4cyclictest9-21ksoftirqd/020:25:470
3567992619,4cyclictest9-21ksoftirqd/000:59:260
356799260,3cyclictest121rcu_preempt23:10:250
3579992520,3cyclictest33-21ksoftirqd/223:44:152
3579992519,4cyclictest33-21ksoftirqd/220:37:462
3579992519,4cyclictest33-21ksoftirqd/220:37:462
3579992519,3cyclictest33-21ksoftirqd/220:33:352
3579992512,3cyclictest33-21ksoftirqd/222:30:292
3579992512,3cyclictest33-21ksoftirqd/222:30:292
3571992520,3cyclictest25-21ksoftirqd/120:37:531
3571992520,3cyclictest25-21ksoftirqd/120:37:531
3571992519,3cyclictest25-21ksoftirqd/123:31:331
3571992518,4cyclictest25-21ksoftirqd/121:26:061
3571992518,4cyclictest25-21ksoftirqd/121:14:021
3571992518,4cyclictest25-21ksoftirqd/120:53:021
3571992518,4cyclictest25-21ksoftirqd/120:26:051
3571992518,4cyclictest25-21ksoftirqd/101:16:351
3567992521,3cyclictest9-21ksoftirqd/021:10:230
3567992520,3cyclictest9-21ksoftirqd/022:04:150
3567992519,3cyclictest9-21ksoftirqd/001:11:080
3567992518,4cyclictest9-21ksoftirqd/020:32:100
291002250,3sleep029319-21cat22:15:040
3579992418,3cyclictest33-21ksoftirqd/200:45:362
3579992417,4cyclictest33-21ksoftirqd/220:44:362
3579992410,3cyclictest33-21ksoftirqd/201:15:292
3571992419,3cyclictest25-21ksoftirqd/123:10:231
3571992419,3cyclictest25-21ksoftirqd/122:55:031
3571992419,3cyclictest25-21ksoftirqd/122:26:041
3571992419,3cyclictest25-21ksoftirqd/122:26:041
3571992419,3cyclictest25-21ksoftirqd/100:57:531
3571992417,4cyclictest25-21ksoftirqd/121:51:071
3571992417,4cyclictest25-21ksoftirqd/121:37:101
3571992417,4cyclictest25-21ksoftirqd/101:13:261
3571992411,4cyclictest25-21ksoftirqd/123:52:081
3571992410,4cyclictest25-21ksoftirqd/123:35:231
356799242,3cyclictest121rcu_preempt01:38:180
3567992419,3cyclictest9-21ksoftirqd/023:31:350
3567992419,3cyclictest9-21ksoftirqd/022:55:050
3567992419,3cyclictest9-21ksoftirqd/020:20:010
3567992419,3cyclictest9-21ksoftirqd/000:50:380
3567992419,3cyclictest32361-21kworker/0:100:25:370
3567992417,4cyclictest9-21ksoftirqd/021:59:500
3567992417,4cyclictest9-21ksoftirqd/020:22:460
3567992411,8cyclictest46850irq/100-ens3-Tx22:35:180
3567992410,11cyclictest20587-21fschecks_time01:05:250
177391240,1ptp4l401ktimersoftd/322:05:183
3579992318,3cyclictest33-21ksoftirqd/223:50:242
3579992318,3cyclictest33-21ksoftirqd/220:55:232
3579992317,3cyclictest33-21ksoftirqd/220:29:392
3571992318,3cyclictest25-21ksoftirqd/101:23:361
3571992317,3cyclictest5093-21acpi23:00:191
3571992317,3cyclictest25-21ksoftirqd/121:08:151
3571992316,4cyclictest8183-21cut00:15:241
3571992316,4cyclictest8183-21cut00:15:241
3571992316,4cyclictest25-21ksoftirqd/121:44:451
3571992316,4cyclictest25-21ksoftirqd/120:47:321
3567992318,3cyclictest9-21ksoftirqd/001:40:400
3567992317,3cyclictest9-21ksoftirqd/021:04:210
324892230,1sleep10-21swapper/122:17:571
3579992217,3cyclictest33-21ksoftirqd/222:01:352
3579992217,3cyclictest33-21ksoftirqd/221:10:442
3579992216,3cyclictest33-21ksoftirqd/221:50:182
3579992216,3cyclictest33-21ksoftirqd/221:05:032
3571992217,3cyclictest25-21ksoftirqd/120:20:011
3571992217,3cyclictest25-21ksoftirqd/101:40:281
3571992215,4cyclictest25-21ksoftirqd/121:59:021
3567992216,4cyclictest9-21ksoftirqd/021:25:220
3567992216,3cyclictest9-21ksoftirqd/000:12:060
3567992216,3cyclictest9-21ksoftirqd/000:12:060
3567992215,4cyclictest9-21ksoftirqd/020:55:580
357199216,4cyclictest25-21ksoftirqd/100:40:361
3571992116,3cyclictest25-21ksoftirqd/122:30:131
3571992116,3cyclictest25-21ksoftirqd/122:30:131
3571992115,3cyclictest25-21ksoftirqd/122:00:451
3571992114,4cyclictest30735-21sh23:28:141
3571992114,4cyclictest25-21ksoftirqd/123:56:211
3571992114,4cyclictest25-21ksoftirqd/121:22:531
3571992110,3cyclictest25-21ksoftirqd/123:45:391
356799217,8cyclictest18564-21ssh23:15:180
3567992115,3cyclictest9-21ksoftirqd/000:21:340
3567992114,4cyclictest9-21ksoftirqd/023:26:290
3567992114,4cyclictest1760-21runrttasks21:15:290
3567992113,5cyclictest46850irq/100-ens3-Tx01:00:210
3571992015,3cyclictest25-21ksoftirqd/100:09:401
3571992014,4cyclictest25-21ksoftirqd/120:41:181
3571992014,4cyclictest12469-21ssh01:33:071
3571992014,3cyclictest25-21ksoftirqd/122:46:441
3571992014,3cyclictest20987-21/usr/sbin/munin00:30:251
3571992014,3cyclictest18606-21sh00:26:031
3571992013,4cyclictest21500-21sh22:41:011
356799204,9cyclictest21068-21apt-get00:30:220
356799204,10cyclictest550-21apt-get22:55:200
3567992015,3cyclictest9-21ksoftirqd/022:20:240
3567992015,3cyclictest9-21ksoftirqd/000:45:230
3567992015,3cyclictest9-21ksoftirqd/000:10:070
3567992014,3cyclictest9-21ksoftirqd/021:21:360
3567992014,3cyclictest18907-21unixbench-2d21:50:340
3567992013,4cyclictest18849-21grep20:45:180
357199199,7cyclictest12819-21ps00:20:271
3571991915,3cyclictest25-21ksoftirqd/123:40:201
3571991914,3cyclictest25336-21grep20:55:331
3571991913,3cyclictest25-21ksoftirqd/123:18:071
3571991912,4cyclictest46950irq/101-ens3-Tx01:00:201
3571991912,4cyclictest22690-21sh01:07:001
357199190,16cyclictest367-21ssh22:55:081
3567991914,3cyclictest9-21ksoftirqd/022:45:190
3567991914,3cyclictest9-21ksoftirqd/000:35:200
3567991913,3cyclictest29221-21expr01:15:210
3567991913,3cyclictest22581-21sh22:43:080
3567991913,3cyclictest12047-21sh23:06:510
3567991912,4cyclictest5128-21cpu23:00:200
3567991912,4cyclictest29107-21diskmemload00:02:460
3567991912,4cyclictest29107-21diskmemload00:02:460
356799183,8cyclictest8686-21apt-get23:40:200
3567991812,3cyclictest12665-21cat21:40:210
3567991811,4cyclictest29367-21sh22:15:080
3567991711,4cyclictest22171-21sh23:55:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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