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2026-08-18 - 17:56
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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 Aug 18, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71590rcu_preempt0-21swapper/009:40:280
71590rcu_preempt0-21swapper/009:40:280
71590rcu_preempt0-21swapper/009:40:280
695599471cyclictest15319-21irqstats07:44:493
695599471cyclictest15319-21irqstats07:44:493
695599471cyclictest15319-21irqstats07:44:493
100650470irq/38-i2c-mpc301ksoftirqd/311:50:223
100650470irq/38-i2c-mpc301ksoftirqd/311:50:223
695599454cyclictest0-21swapper/311:09:583
695599454cyclictest0-21swapper/311:09:583
71440rcu_preempt24283-21apt-get11:39:533
71440rcu_preempt24283-21apt-get11:39:533
71440rcu_preempt24283-21apt-get11:39:533
695599444cyclictest0-21swapper/312:35:003
695599444cyclictest0-21swapper/312:35:003
695599444cyclictest0-21swapper/311:25:163
695599444cyclictest0-21swapper/311:25:163
695599444cyclictest0-21swapper/311:02:323
695599444cyclictest0-21swapper/311:02:323
695599444cyclictest0-21swapper/311:02:323
695599444cyclictest0-21swapper/307:40:223
695599444cyclictest0-21swapper/307:40:223
695599443cyclictest0-21swapper/311:19:503
695599443cyclictest0-21swapper/311:19:503
695599443cyclictest0-21swapper/311:19:503
695599443cyclictest0-21swapper/307:24:413
695599443cyclictest0-21swapper/307:24:413
695599442cyclictest7193-21users10:10:003
695599442cyclictest7193-21users10:10:003
695499442cyclictest1959-21runrttasks12:09:542
695499442cyclictest1959-21runrttasks12:09:542
46250440irq/120-QManpo6687-2110:48:551
46250440irq/120-QManpo6687-2110:48:551
46250440irq/120-QManpo6687-2110:48:551
71430rcu_preempt6205-21kworker/0:009:09:430
71430rcu_preempt6205-21kworker/0:009:09:430
71430rcu_preempt0-21swapper/311:59:433
71430rcu_preempt0-21swapper/311:59:433
695599434cyclictest0-21swapper/309:52:113
695599434cyclictest0-21swapper/309:52:113
695599433cyclictest0-21swapper/312:04:433
695599433cyclictest0-21swapper/312:04:433
695599433cyclictest0-21swapper/312:04:433
695599433cyclictest0-21swapper/309:55:233
695599433cyclictest0-21swapper/309:55:233
695599433cyclictest0-21swapper/309:44:433
695599433cyclictest0-21swapper/309:44:433
695599433cyclictest0-21swapper/309:44:433
695599433cyclictest0-21swapper/309:39:473
695599433cyclictest0-21swapper/309:39:473
695599433cyclictest0-21swapper/309:39:473
695599433cyclictest0-21swapper/309:34:443
695599433cyclictest0-21swapper/309:34:443
695599433cyclictest0-21swapper/309:14:443
695599433cyclictest0-21swapper/309:14:443
695599433cyclictest0-21swapper/308:29:473
695599433cyclictest0-21swapper/308:29:473
695599432cyclictest25966-21apt-get10:44:443
695599432cyclictest25966-21apt-get10:44:443
695599424cyclictest0-21swapper/312:41:173
695599424cyclictest0-21swapper/312:41:173
695599424cyclictest0-21swapper/312:41:173
695599424cyclictest0-21swapper/312:27:343
695599424cyclictest0-21swapper/312:27:343
695599424cyclictest0-21swapper/312:17:423
695599424cyclictest0-21swapper/312:17:423
695599424cyclictest0-21swapper/311:35:193
695599424cyclictest0-21swapper/311:35:193
695599424cyclictest0-21swapper/310:50:103
695599424cyclictest0-21swapper/310:50:103
695599424cyclictest0-21swapper/310:39:443
695599424cyclictest0-21swapper/310:39:443
695599424cyclictest0-21swapper/309:24:333
695599424cyclictest0-21swapper/309:24:333
695599424cyclictest0-21swapper/309:24:333
695599424cyclictest0-21swapper/309:04:443
695599423cyclictest0-21swapper/311:54:453
695599423cyclictest0-21swapper/311:54:453
695599423cyclictest0-21swapper/311:18:583
695599423cyclictest0-21swapper/311:18:583
695599423cyclictest0-21swapper/310:03:133
695599423cyclictest0-21swapper/310:03:133
695599422cyclictest27547-21diskstats11:44:473
695599422cyclictest27547-21diskstats11:44:473
6955994218cyclictest26339-21diskstats08:24:483
6955994218cyclictest26339-21diskstats08:24:483
6955994216cyclictest20886-21ntp_states10:34:573
6955994216cyclictest20886-21ntp_states10:34:573
695499423cyclictest0-21swapper/209:59:582
695499423cyclictest0-21swapper/209:59:582
71410rcu_preempt10154-21taskset10:15:200
71410rcu_preempt10154-21taskset10:15:200
71410rcu_preempt0-21swapper/011:46:190
71410rcu_preempt0-21swapper/011:46:190
695599418cyclictest9540-21memory10:14:553
695599418cyclictest9540-21memory10:14:553
695599415cyclictest13168-1kworker/3:1H08:08:403
695599415cyclictest13168-1kworker/3:1H08:08:403
695599414cyclictest0-21swapper/310:24:583
695599414cyclictest0-21swapper/310:24:583
695599413cyclictest17949-21meminfo10:29:543
695599413cyclictest17949-21meminfo10:29:543
695599413cyclictest0-21swapper/310:54:533
695599413cyclictest0-21swapper/310:54:533
695599412cyclictest14526-21munin-run10:24:313
695599412cyclictest14526-21munin-run10:24:313
695599412cyclictest14526-21munin-run10:24:313
695599411cyclictest13210-21sendmail-msp09:25:193
695599411cyclictest13210-21sendmail-msp09:25:193
695499411cyclictest1959-21runrttasks08:04:252
695499411cyclictest1959-21runrttasks08:04:252
71400rcu_preempt0-21swapper/011:05:130
71400rcu_preempt0-21swapper/011:05:130
71400rcu_preempt0-21swapper/008:59:390
71400rcu_preempt0-21swapper/008:59:390
71400rcu_preempt0-21swapper/008:59:390
71400rcu_preempt0-21swapper/008:17:280
71400rcu_preempt0-21swapper/008:17:280
695599404cyclictest0-21swapper/311:30:183
695599404cyclictest0-21swapper/311:30:183
695599403cyclictest0-21swapper/312:29:443
695599403cyclictest0-21swapper/312:29:443
695599403cyclictest0-21swapper/309:09:423
695599403cyclictest0-21swapper/309:09:423
695599403cyclictest0-21swapper/308:59:303
695599403cyclictest0-21swapper/308:59:303
695599403cyclictest0-21swapper/308:49:573
695599403cyclictest0-21swapper/308:49:573
695599403cyclictest0-21swapper/307:54:443
695599403cyclictest0-21swapper/307:54:443
695599403cyclictest0-21swapper/307:14:563
695599403cyclictest0-21swapper/307:14:563
695599403cyclictest0-21swapper/307:14:563
695599402cyclictest9175-21df_inode12:09:453
695599402cyclictest9175-21df_inode12:09:453
695599402cyclictest4976-21df11:04:453
695599402cyclictest4976-21df11:04:453
100650400irq/38-i2c-mpc0-21swapper/010:55:100
100650400irq/38-i2c-mpc0-21swapper/010:55:100
71390rcu_preempt14537-1sendmail-msp10:24:301
71390rcu_preempt14537-1sendmail-msp10:24:301
71390rcu_preempt14537-1sendmail-msp10:24:301
71390rcu_preempt0-21swapper/009:58:090
71390rcu_preempt0-21swapper/009:58:090
695599391cyclictest15058-21ls12:19:543
695599391cyclictest15058-21ls12:19:543
695599391cyclictest15058-21ls12:19:543
695599391cyclictest11111-21if_err_eth307:29:483
695599391cyclictest11111-21if_err_eth307:29:483
71380rcu_preempt0-21swapper/010:31:370
71380rcu_preempt0-21swapper/010:31:370
695599383cyclictest28864-21apt-get08:34:413
695599383cyclictest28864-21apt-get08:34:413
695599383cyclictest25102-21memory08:19:513
695599383cyclictest25102-21memory08:19:513
695599383cyclictest0-21swapper/307:19:563
695599383cyclictest0-21swapper/307:19:563
695599382cyclictest6159-21cat10:09:343
695599382cyclictest6159-21cat10:09:343
695599381cyclictest0-21swapper/309:29:593
695599381cyclictest0-21swapper/309:29:593
6955993817cyclictest0-21swapper/308:44:343
6955993817cyclictest0-21swapper/308:44:343
46450380irq/118-QManpo0-2110:48:552
46450380irq/118-QManpo0-2110:48:552
46450380irq/118-QManpo0-2110:48:552
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
71370rcu_preempt0-21swapper/111:55:571
71370rcu_preempt0-21swapper/111:55:571
71370rcu_preempt0-21swapper/111:47:301
71370rcu_preempt0-21swapper/111:47:301
71370rcu_preempt0-21swapper/111:44:361
71370rcu_preempt0-21swapper/111:44:361
71370rcu_preempt0-21swapper/111:44:361
71370rcu_preempt0-21swapper/111:05:041
71370rcu_preempt0-21swapper/111:05:041
71370rcu_preempt0-21swapper/010:50:460
71370rcu_preempt0-21swapper/010:50:460
71370rcu_preempt0-21swapper/009:45:370
71370rcu_preempt0-21swapper/009:45:370
71370rcu_preempt0-21swapper/009:45:370
695599373cyclictest20421-21munin-run08:04:313
695599373cyclictest20421-21munin-run08:04:313
695599373cyclictest0-21swapper/307:34:473
695599373cyclictest0-21swapper/307:34:473
695599372cyclictest24082-21/usr/sbin/munin08:14:573
695599372cyclictest24082-21/usr/sbin/munin08:14:573
695599372cyclictest21941-21apt-get08:09:423
695599372cyclictest21941-21apt-get08:09:423
695599371cyclictest3263-21apt-get08:59:493
695599371cyclictest3263-21apt-get08:59:493
695599371cyclictest3263-21apt-get08:59:493
695599371cyclictest0-21swapper/308:44:413
695599371cyclictest0-21swapper/308:44:413
100650370irq/38-i2c-mpc0-21swapper/011:30:180
100650370irq/38-i2c-mpc0-21swapper/011:30:180
100650370irq/38-i2c-mpc0-21swapper/008:54:370
100650370irq/38-i2c-mpc0-21swapper/008:54:370
71360rcu_preempt7579-21ssh10:11:000
71360rcu_preempt7579-21ssh10:11:000
71360rcu_preempt3622-21runrttasks08:59:462
71360rcu_preempt3622-21runrttasks08:59:462
71360rcu_preempt3622-21runrttasks08:59:462
71360rcu_preempt3134-21apt-get11:59:511
71360rcu_preempt3134-21apt-get11:59:511
71360rcu_preempt0-21swapper/212:30:002
71360rcu_preempt0-21swapper/212:30:002
71360rcu_preempt0-21swapper/211:56:162
71360rcu_preempt0-21swapper/211:56:162
71360rcu_preempt0-21swapper/112:34:481
71360rcu_preempt0-21swapper/112:34:481
71360rcu_preempt0-21swapper/111:29:561
71360rcu_preempt0-21swapper/111:29:561
71360rcu_preempt0-21swapper/111:27:361
71360rcu_preempt0-21swapper/111:27:361
71360rcu_preempt0-21swapper/110:14:421
71360rcu_preempt0-21swapper/110:14:421
71360rcu_preempt0-21swapper/110:08:381
71360rcu_preempt0-21swapper/110:08:381
71360rcu_preempt0-21swapper/012:24:430
71360rcu_preempt0-21swapper/012:24:430
71360rcu_preempt0-21swapper/012:00:020
71360rcu_preempt0-21swapper/012:00:020
71360rcu_preempt0-21swapper/011:25:580
71360rcu_preempt0-21swapper/011:25:580
71360rcu_preempt0-21swapper/011:15:010
71360rcu_preempt0-21swapper/011:15:010
71360rcu_preempt0-21swapper/010:05:040
71360rcu_preempt0-21swapper/010:05:040
71360rcu_preempt0-21swapper/009:25:230
71360rcu_preempt0-21swapper/009:25:230
71360rcu_preempt0-21swapper/008:09:420
71360rcu_preempt0-21swapper/008:09:420
695499361cyclictest7578-21/usr/sbin/munin11:09:502
695499361cyclictest7578-21/usr/sbin/munin11:09:502
71350rcu_preempt6098-21copy09:09:421
71350rcu_preempt6098-21copy09:09:421
71350rcu_preempt0-21swapper/210:47:302
71350rcu_preempt0-21swapper/210:47:302
71350rcu_preempt0-21swapper/210:14:402
71350rcu_preempt0-21swapper/210:14:402
71350rcu_preempt0-21swapper/210:10:392
71350rcu_preempt0-21swapper/210:10:392
71350rcu_preempt0-21swapper/208:40:532
71350rcu_preempt0-21swapper/208:40:532
71350rcu_preempt0-21swapper/207:23:302
71350rcu_preempt0-21swapper/207:23:302
71350rcu_preempt0-21swapper/112:12:171
71350rcu_preempt0-21swapper/112:12:171
71350rcu_preempt0-21swapper/111:49:391
71350rcu_preempt0-21swapper/111:49:391
71350rcu_preempt0-21swapper/111:36:431
71350rcu_preempt0-21swapper/111:36:431
71350rcu_preempt0-21swapper/110:01:381
71350rcu_preempt0-21swapper/110:01:381
71350rcu_preempt0-21swapper/109:04:391
71350rcu_preempt0-21swapper/108:59:141
71350rcu_preempt0-21swapper/108:59:141
71350rcu_preempt0-21swapper/011:09:570
71350rcu_preempt0-21swapper/011:09:570
71350rcu_preempt0-21swapper/010:42:100
71350rcu_preempt0-21swapper/010:42:100
71350rcu_preempt0-21swapper/009:20:530
71350rcu_preempt0-21swapper/009:20:530
71350rcu_preempt0-21swapper/009:20:530
71350rcu_preempt0-21swapper/009:09:320
71350rcu_preempt0-21swapper/008:34:410
71350rcu_preempt0-21swapper/008:34:410
71350rcu_preempt0-21swapper/007:51:050
71350rcu_preempt0-21swapper/007:51:050
46050350irq/122-QManpo18181-2110:48:550
46050350irq/122-QManpo18181-2110:48:550
46050350irq/122-QManpo17214-2110:48:550
46050350irq/122-QManpo17214-2110:48:550
46050350irq/122-QManpo1425-2110:48:550
46050350irq/122-QManpo1425-2110:48:550
46050350irq/122-QManpo11364-2110:48:550
46050350irq/122-QManpo11364-2110:48:550
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
1599350migration/019465-21irqstats07:59:500
1599350migration/019465-21irqstats07:59:500
71340rcu_preempt25470-1kworker/1:0H08:45:401
71340rcu_preempt25470-1kworker/1:0H08:45:401
71340rcu_preempt17565-21rm12:24:442
71340rcu_preempt17565-21rm12:24:442
71340rcu_preempt0-21swapper/211:50:172
71340rcu_preempt0-21swapper/211:50:172
71340rcu_preempt0-21swapper/211:25:152
71340rcu_preempt0-21swapper/211:25:152
71340rcu_preempt0-21swapper/210:49:542
71340rcu_preempt0-21swapper/210:49:542
71340rcu_preempt0-21swapper/208:58:552
71340rcu_preempt0-21swapper/208:58:552
71340rcu_preempt0-21swapper/112:31:131
71340rcu_preempt0-21swapper/112:31:131
71340rcu_preempt0-21swapper/112:04:541
71340rcu_preempt0-21swapper/112:04:541
71340rcu_preempt0-21swapper/112:04:541
71340rcu_preempt0-21swapper/110:55:001
71340rcu_preempt0-21swapper/110:55:001
71340rcu_preempt0-21swapper/110:36:511
71340rcu_preempt0-21swapper/110:36:511
71340rcu_preempt0-21swapper/110:12:091
71340rcu_preempt0-21swapper/110:12:091
71340rcu_preempt0-21swapper/109:15:331
71340rcu_preempt0-21swapper/109:15:331
71340rcu_preempt0-21swapper/011:39:530
71340rcu_preempt0-21swapper/011:39:530
71340rcu_preempt0-21swapper/011:39:530
71340rcu_preempt0-21swapper/011:00:060
71340rcu_preempt0-21swapper/011:00:060
71340rcu_preempt0-21swapper/011:00:060
71340rcu_preempt0-21swapper/010:01:380
71340rcu_preempt0-21swapper/010:01:380
71340rcu_preempt0-21swapper/009:29:410
71340rcu_preempt0-21swapper/009:29:410
71340rcu_preempt0-21swapper/008:49:340
71340rcu_preempt0-21swapper/007:34:560
71340rcu_preempt0-21swapper/007:34:560
695599342cyclictest0-21swapper/307:49:443
695599342cyclictest0-21swapper/307:49:443
46050340irq/122-QManpo9981-2110:48:550
46050340irq/122-QManpo9981-2110:48:550
46050340irq/122-QManpo6588-2110:48:550
46050340irq/122-QManpo6588-2110:48:550
46050340irq/122-QManpo6588-2110:48:550
46050340irq/122-QManpo25813-2110:48:550
46050340irq/122-QManpo25813-2110:48:550
46050340irq/122-QManpo25813-2110:48:550
46050340irq/122-QManpo23247-2110:48:550
46050340irq/122-QManpo23247-2110:48:550
46050340irq/122-QManpo21255-2110:48:550
46050340irq/122-QManpo21255-2110:48:550
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
130992340sleep013061-1kworker/0:0H12:16:040
130992340sleep013061-1kworker/0:0H12:16:040
71330rcu_preempt2515-1kworker/0:2H07:45:140
71330rcu_preempt2515-1kworker/0:2H07:45:140
71330rcu_preempt2515-1kworker/0:2H07:45:140
71330rcu_preempt24520-21ssh12:36:342
71330rcu_preempt24520-21ssh12:36:342
71330rcu_preempt1959-21runrttasks11:01:072
71330rcu_preempt1959-21runrttasks11:01:072
71330rcu_preempt1959-21runrttasks11:01:072
71330rcu_preempt1020-21kworker/1:108:32:221
71330rcu_preempt1020-21kworker/1:108:32:221
71330rcu_preempt0-21swapper/212:44:352
71330rcu_preempt0-21swapper/212:44:352
71330rcu_preempt0-21swapper/212:44:352
71330rcu_preempt0-21swapper/211:59:462
71330rcu_preempt0-21swapper/211:59:462
71330rcu_preempt0-21swapper/210:28:172
71330rcu_preempt0-21swapper/210:28:172
71330rcu_preempt0-21swapper/209:43:232
71330rcu_preempt0-21swapper/209:43:232
71330rcu_preempt0-21swapper/209:43:232
71330rcu_preempt0-21swapper/209:31:402
71330rcu_preempt0-21swapper/209:31:402
71330rcu_preempt0-21swapper/208:39:292
71330rcu_preempt0-21swapper/208:39:292
71330rcu_preempt0-21swapper/112:41:211
71330rcu_preempt0-21swapper/112:41:211
71330rcu_preempt0-21swapper/112:41:211
71330rcu_preempt0-21swapper/112:24:051
71330rcu_preempt0-21swapper/112:24:051
71330rcu_preempt0-21swapper/112:24:051
71330rcu_preempt0-21swapper/111:19:331
71330rcu_preempt0-21swapper/111:19:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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