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2026-06-02 - 12:38
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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 376 highest latencies:
System rack4slot4.osadl.org (updated Tue Jun 02, 2026 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71570rcu_preempt31162-21copy23:03:161
71570rcu_preempt31162-21copy23:03:161
71570rcu_preempt31162-21copy23:03:161
71560rcu_preempt0-21swapper/221:38:282
71560rcu_preempt0-21swapper/221:38:282
71560rcu_preempt0-21swapper/221:38:282
71500rcu_preempt0-21swapper/223:30:572
71500rcu_preempt0-21swapper/223:30:572
71500rcu_preempt0-21swapper/223:30:572
71490rcu_preempt0-21swapper/123:08:171
71490rcu_preempt0-21swapper/123:08:171
71490rcu_preempt0-21swapper/123:08:171
71460rcu_preempt0-21swapper/222:34:512
71460rcu_preempt0-21swapper/222:34:512
71460rcu_preempt0-21swapper/222:34:512
71430rcu_preempt0-21swapper/219:58:232
71430rcu_preempt0-21swapper/219:58:232
71430rcu_preempt0-21swapper/122:13:441
71430rcu_preempt0-21swapper/122:13:441
71430rcu_preempt0-21swapper/122:13:441
4304994321cyclictest15910-21users23:33:422
4304994321cyclictest15910-21users23:33:422
4304994321cyclictest15910-21users23:33:422
4304994318cyclictest1959-21runrttasks21:06:462
4304994318cyclictest1959-21runrttasks21:06:462
4304994318cyclictest1959-21runrttasks21:06:462
4304994312cyclictest0-21swapper/200:33:352
4304994312cyclictest0-21swapper/200:33:352
71420rcu_preempt13578-21sh22:28:470
71420rcu_preempt13578-21sh22:28:470
71420rcu_preempt0-21swapper/121:49:401
71420rcu_preempt0-21swapper/121:49:401
71420rcu_preempt0-21swapper/121:49:401
71420rcu_preempt0-21swapper/100:26:421
71420rcu_preempt0-21swapper/100:26:421
71420rcu_preempt0-21swapper/100:26:421
4304994215cyclictest1959-21runrttasks23:53:402
4304994215cyclictest1959-21runrttasks23:53:402
4304994212cyclictest20756-21munin-run22:43:112
4304994212cyclictest20756-21munin-run22:43:112
71410rcu_preempt0-21swapper/122:03:271
71410rcu_preempt0-21swapper/122:03:271
71410rcu_preempt0-21swapper/019:58:210
71410rcu_preempt0-21swapper/019:58:210
71410rcu_preempt0-21swapper/000:25:590
71410rcu_preempt0-21swapper/000:25:590
71410rcu_preempt0-21swapper/000:25:590
4304994118cyclictest14691-21tr19:48:382
4304994118cyclictest14691-21tr19:48:382
4304994118cyclictest0-21swapper/200:13:122
4304994118cyclictest0-21swapper/200:13:122
4304994118cyclictest0-21swapper/200:13:122
4304994117cyclictest12493-21munin-run19:43:092
4304994117cyclictest12493-21munin-run19:43:092
4304994117cyclictest12493-21munin-run19:43:092
4304994113cyclictest535-21users20:53:382
4304994113cyclictest535-21users20:53:382
4304994113cyclictest535-21users20:53:382
71400rcu_preempt18711-21/usr/sbin/munin20:03:350
71400rcu_preempt18711-21/usr/sbin/munin20:03:350
71400rcu_preempt18711-21/usr/sbin/munin20:03:350
71400rcu_preempt0-21swapper/121:26:051
71400rcu_preempt0-21swapper/121:26:051
71400rcu_preempt0-21swapper/121:26:051
71400rcu_preempt0-21swapper/022:54:460
71400rcu_preempt0-21swapper/022:54:460
71400rcu_preempt0-21swapper/022:44:360
71400rcu_preempt0-21swapper/022:44:360
71400rcu_preempt0-21swapper/022:08:480
71400rcu_preempt0-21swapper/022:08:480
71400rcu_preempt0-21swapper/022:08:480
46050400irq/122-QManpo18093-2110:48:550
46050400irq/122-QManpo18093-2110:48:550
46050400irq/122-QManpo18093-2110:48:550
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
4304994020cyclictest21510-21ntp_states20:13:352
4304994020cyclictest21510-21ntp_states20:13:352
4304994017cyclictest9033-21apt-get00:23:232
4304994017cyclictest9033-21apt-get00:23:232
4304994017cyclictest9033-21apt-get00:23:232
4304994017cyclictest5346-21/usr/sbin/munin21:13:432
4304994017cyclictest5346-21/usr/sbin/munin21:13:432
4304994011cyclictest0-21swapper/200:32:522
4304994011cyclictest0-21swapper/200:32:522
71390rcu_preempt14235-1kworker/0:1H21:41:580
71390rcu_preempt14235-1kworker/0:1H21:41:580
71390rcu_preempt14235-1kworker/0:1H21:41:580
71390rcu_preempt10921-1kworker/0:3H23:27:440
71390rcu_preempt10921-1kworker/0:3H23:27:440
71390rcu_preempt10921-1kworker/0:3H23:27:440
71390rcu_preempt0-21swapper/200:16:452
71390rcu_preempt0-21swapper/200:16:452
71390rcu_preempt0-21swapper/200:16:452
71390rcu_preempt0-21swapper/122:18:341
71390rcu_preempt0-21swapper/122:18:341
71390rcu_preempt0-21swapper/122:18:341
71390rcu_preempt0-21swapper/023:41:370
71390rcu_preempt0-21swapper/023:41:370
71390rcu_preempt0-21swapper/023:10:280
71390rcu_preempt0-21swapper/023:10:280
71390rcu_preempt0-21swapper/023:10:280
46250390irq/120-QManpo4164-2110:48:551
46250390irq/120-QManpo4164-2110:48:551
46050390irq/122-QManpo2521-2110:48:550
46050390irq/122-QManpo2521-2110:48:550
46050390irq/122-QManpo2521-2110:48:550
4304993919cyclictest26800-21diskstats20:33:262
4304993919cyclictest26800-21diskstats20:33:262
4304993919cyclictest19778-21df20:08:232
4304993919cyclictest19778-21df20:08:232
4304993919cyclictest19778-21df20:08:232
4304993918cyclictest25676-21ntp_states20:28:322
4304993918cyclictest25676-21ntp_states20:28:322
4304993917cyclictest7665-21ssh22:18:272
4304993917cyclictest7665-21ssh22:18:272
4304993917cyclictest7665-21ssh22:18:272
4304993917cyclictest1959-21runrttasks22:50:332
4304993917cyclictest1959-21runrttasks22:50:332
71380rcu_preempt9642-1kworker/1:2H23:28:241
71380rcu_preempt9642-1kworker/1:2H23:28:241
71380rcu_preempt9642-1kworker/1:2H23:28:241
71380rcu_preempt4783-21/usr/sbin/munin19:13:331
71380rcu_preempt4783-21/usr/sbin/munin19:13:331
71380rcu_preempt31305-21kworker/0:323:04:370
71380rcu_preempt31305-21kworker/0:323:04:370
71380rcu_preempt31305-21kworker/0:323:04:370
71380rcu_preempt17295-21/usr/sbin/munin19:58:341
71380rcu_preempt17295-21/usr/sbin/munin19:58:341
71380rcu_preempt0-21swapper/319:08:263
71380rcu_preempt0-21swapper/319:08:263
71380rcu_preempt0-21swapper/122:51:271
71380rcu_preempt0-21swapper/122:51:271
71380rcu_preempt0-21swapper/122:28:221
71380rcu_preempt0-21swapper/122:28:221
71380rcu_preempt0-21swapper/100:13:021
71380rcu_preempt0-21swapper/100:13:021
71380rcu_preempt0-21swapper/100:13:021
71380rcu_preempt0-21swapper/000:03:440
71380rcu_preempt0-21swapper/000:03:440
46050380irq/122-QManpo29207-2110:48:550
46050380irq/122-QManpo29207-2110:48:550
46050380irq/122-QManpo12508-2110:48:550
46050380irq/122-QManpo12508-2110:48:550
46050380irq/122-QManpo12508-2110:48:550
4304993819cyclictest23206-21meminfo23:48:352
4304993819cyclictest23206-21meminfo23:48:352
4304993819cyclictest23206-21meminfo23:48:352
4304993818cyclictest14417-21ssh22:31:232
4304993818cyclictest14417-21ssh22:31:232
4304993815cyclictest5266-21meminfo22:13:322
4304993815cyclictest5266-21meminfo22:13:322
4304993815cyclictest5266-21meminfo22:13:322
4304993814cyclictest29334-21sed20:43:172
4304993814cyclictest0-21swapper/220:48:262
4304993814cyclictest0-21swapper/220:48:262
71370rcu_preempt5181-21diskmemload00:18:210
71370rcu_preempt5181-21diskmemload00:18:210
71370rcu_preempt5181-21diskmemload00:18:210
71370rcu_preempt31901-21copy22:03:242
71370rcu_preempt31901-21copy22:03:242
71370rcu_preempt0-21swapper/221:26:062
71370rcu_preempt0-21swapper/221:26:062
71370rcu_preempt0-21swapper/221:26:062
71370rcu_preempt0-21swapper/123:18:551
71370rcu_preempt0-21swapper/123:18:551
71370rcu_preempt0-21swapper/023:56:430
71370rcu_preempt0-21swapper/023:56:430
71370rcu_preempt0-21swapper/022:39:200
71370rcu_preempt0-21swapper/022:39:200
71370rcu_preempt0-21swapper/022:21:570
71370rcu_preempt0-21swapper/022:21:570
71370rcu_preempt0-21swapper/022:21:570
71370rcu_preempt0-21swapper/022:13:330
71370rcu_preempt0-21swapper/022:13:330
71370rcu_preempt0-21swapper/022:13:330
71370rcu_preempt0-21swapper/021:49:130
71370rcu_preempt0-21swapper/021:49:130
71370rcu_preempt0-21swapper/021:49:130
71370rcu_preempt0-21swapper/021:13:570
71370rcu_preempt0-21swapper/021:13:570
71370rcu_preempt0-21swapper/020:28:180
71370rcu_preempt0-21swapper/020:28:180
71370rcu_preempt0-21swapper/020:25:080
71370rcu_preempt0-21swapper/020:25:080
71370rcu_preempt0-21swapper/000:32:190
71370rcu_preempt0-21swapper/000:32:190
46050370irq/122-QManpo6959-2110:48:550
46050370irq/122-QManpo6959-2110:48:550
46050370irq/122-QManpo28955-2110:48:550
46050370irq/122-QManpo28955-2110:48:550
46050370irq/122-QManpo28955-2110:48:550
46050370irq/122-QManpo2380-2110:48:550
46050370irq/122-QManpo2380-2110:48:550
46050370irq/122-QManpo2380-2110:48:550
46050370irq/122-QManpo12508-2110:48:550
46050370irq/122-QManpo12508-2110:48:550
4304993728cyclictest5690-21apt-get19:18:192
4304993728cyclictest5690-21apt-get19:18:192
4304993728cyclictest5690-21apt-get19:18:192
4304993727cyclictest18229-21apt-get20:03:212
4304993727cyclictest18229-21apt-get20:03:212
4304993727cyclictest18229-21apt-get20:03:212
4304993719cyclictest1959-21runrttasks23:19:242
4304993719cyclictest1959-21runrttasks23:19:242
4304993716cyclictest29513-21df20:43:262
4304993716cyclictest29513-21df20:43:262
4304993716cyclictest0-21swapper/221:56:372
4304993716cyclictest0-21swapper/221:56:372
4304993715cyclictest12330-21latency_hist23:28:172
4304993715cyclictest12330-21latency_hist23:28:172
4304993715cyclictest12330-21latency_hist23:28:172
4304993715cyclictest0-21swapper/222:54:302
4304993715cyclictest0-21swapper/222:54:302
4304993715cyclictest0-21swapper/222:27:472
4304993715cyclictest0-21swapper/222:27:472
4304993715cyclictest0-21swapper/221:37:092
4304993715cyclictest0-21swapper/221:37:092
4304993715cyclictest0-21swapper/200:02:542
4304993715cyclictest0-21swapper/200:02:542
4304993714cyclictest22026-1kworker/2:3H22:46:192
4304993714cyclictest22026-1kworker/2:3H22:46:192
4304993714cyclictest0-21swapper/222:08:352
4304993714cyclictest0-21swapper/222:08:352
4304993714cyclictest0-21swapper/222:08:352
4304993714cyclictest0-21swapper/221:28:522
4304993714cyclictest0-21swapper/221:28:522
4304993714cyclictest0-21swapper/221:28:522
4304993714cyclictest0-21swapper/200:06:482
4304993714cyclictest0-21swapper/200:06:482
4304993713cyclictest0-21swapper/223:12:262
4304993713cyclictest0-21swapper/223:12:262
4304993713cyclictest0-21swapper/223:12:262
71360rcu_preempt3652-21sh00:13:070
71360rcu_preempt3652-21sh00:13:070
71360rcu_preempt3652-21sh00:13:070
71360rcu_preempt32494-21meminfo22:03:360
71360rcu_preempt32494-21meminfo22:03:360
71360rcu_preempt21737-21sh23:45:370
71360rcu_preempt21737-21sh23:45:370
71360rcu_preempt21737-21sh23:45:370
71360rcu_preempt14510-21/usr/sbin/munin19:48:340
71360rcu_preempt14510-21/usr/sbin/munin19:48:340
71360rcu_preempt12317-21sh23:28:161
71360rcu_preempt12317-21sh23:28:161
71360rcu_preempt12317-21sh23:28:161
71360rcu_preempt0-21swapper/323:29:443
71360rcu_preempt0-21swapper/323:29:443
71360rcu_preempt0-21swapper/323:29:443
71360rcu_preempt0-21swapper/322:48:423
71360rcu_preempt0-21swapper/322:48:423
71360rcu_preempt0-21swapper/319:31:513
71360rcu_preempt0-21swapper/319:31:513
71360rcu_preempt0-21swapper/122:56:391
71360rcu_preempt0-21swapper/122:56:391
71360rcu_preempt0-21swapper/121:53:331
71360rcu_preempt0-21swapper/121:53:331
71360rcu_preempt0-21swapper/121:40:421
71360rcu_preempt0-21swapper/121:40:421
71360rcu_preempt0-21swapper/121:40:421
71360rcu_preempt0-21swapper/120:25:461
71360rcu_preempt0-21swapper/120:25:461
71360rcu_preempt0-21swapper/100:30:261
71360rcu_preempt0-21swapper/100:30:261
71360rcu_preempt0-21swapper/100:18:111
71360rcu_preempt0-21swapper/100:18:111
71360rcu_preempt0-21swapper/100:18:111
71360rcu_preempt0-21swapper/100:06:051
71360rcu_preempt0-21swapper/100:06:051
71360rcu_preempt0-21swapper/022:28:120
71360rcu_preempt0-21swapper/022:28:120
71360rcu_preempt0-21swapper/021:27:160
71360rcu_preempt0-21swapper/021:27:160
71360rcu_preempt0-21swapper/021:27:160
71360rcu_preempt0-21swapper/021:18:480
71360rcu_preempt0-21swapper/021:18:480
46050360irq/122-QManpo4308-2110:48:550
46050360irq/122-QManpo4308-2110:48:550
46050360irq/122-QManpo4308-2110:48:550
46050360irq/122-QManpo32287-2110:48:550
46050360irq/122-QManpo32287-2110:48:550
46050360irq/122-QManpo32287-2110:48:550
46050360irq/122-QManpo27077-2110:48:550
46050360irq/122-QManpo27077-2110:48:550
46050360irq/122-QManpo20773-2110:48:550
46050360irq/122-QManpo20773-2110:48:550
46050360irq/122-QManpo18093-2110:48:550
46050360irq/122-QManpo18093-2110:48:550
46050360irq/122-QManpo12836-2110:48:550
46050360irq/122-QManpo12836-2110:48:550
46050360irq/122-QManpo12836-2110:48:550
46050360irq/122-QManpo10581-2110:48:550
46050360irq/122-QManpo10581-2110:48:550
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
4304993618cyclictest23633-21munin-run20:23:102
4304993618cyclictest23633-21munin-run20:23:102
4304993618cyclictest21563-21meminfo21:43:332
4304993618cyclictest21563-21meminfo21:43:332
4304993618cyclictest21563-21meminfo21:43:332
4304993617cyclictest6700-21df_inode00:18:272
4304993617cyclictest6700-21df_inode00:18:272
4304993617cyclictest6700-21df_inode00:18:272
4304993617cyclictest30413-21ssh23:01:052
4304993617cyclictest30413-21ssh23:01:052
4304993617cyclictest30413-21ssh23:01:052
4304993617cyclictest23700-21/usr/sbin/munin21:48:322
4304993617cyclictest23700-21/usr/sbin/munin21:48:322
4304993617cyclictest23700-21/usr/sbin/munin21:48:322
4304993616cyclictest18028-21memory23:38:362
4304993616cyclictest18028-21memory23:38:362
4304993616cyclictest1339-21diskstats20:58:292
4304993616cyclictest1339-21diskstats20:58:292
4304993615cyclictest20153-21ssh23:43:202
4304993615cyclictest20153-21ssh23:43:202
4304993615cyclictest20153-21ssh23:43:202
4304993615cyclictest0-21swapper/222:01:222
4304993615cyclictest0-21swapper/222:01:222
4304993615cyclictest0-21swapper/222:01:222
4304993614cyclictest0-21swapper/223:14:492
4304993614cyclictest0-21swapper/223:14:492
4304993614cyclictest0-21swapper/223:04:512
4304993614cyclictest0-21swapper/223:04:512
4304993614cyclictest0-21swapper/223:04:512
4304993614cyclictest0-21swapper/219:28:362
4304993614cyclictest0-21swapper/219:28:362
71350rcu_preempt626-1kworker/1:3H22:09:381
71350rcu_preempt626-1kworker/1:3H22:09:381
71350rcu_preempt626-1kworker/1:3H22:09:381
71350rcu_preempt25010-21seq23:52:401
71350rcu_preempt25010-21seq23:52:401
71350rcu_preempt25010-21seq23:52:401
71350rcu_preempt17582-21seq00:38:332
71350rcu_preempt17582-21seq00:38:332
71350rcu_preempt17582-21seq00:38:332
71350rcu_preempt0-21swapper/323:03:163
71350rcu_preempt0-21swapper/323:03:163
71350rcu_preempt0-21swapper/323:03:163
71350rcu_preempt0-21swapper/322:28:233
71350rcu_preempt0-21swapper/322:28:233
71350rcu_preempt0-21swapper/321:41:433
71350rcu_preempt0-21swapper/321:41:433
71350rcu_preempt0-21swapper/321:41:433
71350rcu_preempt0-21swapper/321:38:003
71350rcu_preempt0-21swapper/321:38:003
71350rcu_preempt0-21swapper/320:03:583
71350rcu_preempt0-21swapper/320:03:583
71350rcu_preempt0-21swapper/320:03:583
71350rcu_preempt0-21swapper/221:19:072
71350rcu_preempt0-21swapper/221:19:072
71350rcu_preempt0-21swapper/123:44:491
71350rcu_preempt0-21swapper/123:44:491
71350rcu_preempt0-21swapper/123:44:491
71350rcu_preempt0-21swapper/123:40:421
71350rcu_preempt0-21swapper/123:40:421
71350rcu_preempt0-21swapper/123:34:591
71350rcu_preempt0-21swapper/123:34:591
71350rcu_preempt0-21swapper/123:34:591
71350rcu_preempt0-21swapper/122:25:211
71350rcu_preempt0-21swapper/122:25:211
71350rcu_preempt0-21swapper/121:33:481
71350rcu_preempt0-21swapper/121:33:481
71350rcu_preempt0-21swapper/119:29:201
71350rcu_preempt0-21swapper/119:29:201
71350rcu_preempt0-21swapper/100:20:221
71350rcu_preempt0-21swapper/100:20:221
71350rcu_preempt0-21swapper/100:20:221
71350rcu_preempt0-21swapper/023:48:300
71350rcu_preempt0-21swapper/023:48:300
71350rcu_preempt0-21swapper/023:48:300
71350rcu_preempt0-21swapper/023:19:330
71350rcu_preempt0-21swapper/023:19:330
71350rcu_preempt0-21swapper/021:55:420
71350rcu_preempt0-21swapper/021:55:420
71350rcu_preempt0-21swapper/021:29:090
71350rcu_preempt0-21swapper/021:29:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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