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2025-06-18 - 22:59
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot2.osadl.org (updated Wed Jun 18, 2025 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2354976999484,7cyclictest2467096-21kworker/u4:5+events_unbound11:35:140
2354976998878,7cyclictest2453827-21kworker/u4:13+events_unbound10:55:060
2354976998677,7cyclictest2437046-21kworker/u4:1+events_unbound10:45:050
2354976998677,6cyclictest2404086-21kworker/u4:7+events_unbound09:50:010
2354976998567,8cyclictest2518098-21kworker/u4:0+events_unbound12:25:250
2354976998567,8cyclictest2518098-21kworker/u4:0+events_unbound12:25:250
2354976998472,9cyclictest2496604-21kworker/u4:4+events_unbound12:05:200
2354976998172,6cyclictest2378261-21kworker/u4:6+events_unbound08:50:010
2354976998164,8cyclictest2488517-21kworker/u4:12+events_unbound12:00:210
2354976997768,7cyclictest2361485-21kworker/u4:7+events_unbound07:44:240
2354976997750,5cyclictest2488517-21kworker/u4:12+events_unbound12:00:000
2354976997550,21cyclictest52-21kswapd009:50:060
2354979997336,9cyclictest0-21swapper/111:55:091
2354976997367,4cyclictest2496604-21kworker/u4:4+events_unbound12:10:210
2354979996960,6cyclictest2453827-21kworker/u4:13+events_unbound11:00:001
2354976996960,7cyclictest2373058-21kworker/u4:3+events_unbound08:35:000
2354976996847,5cyclictest2440336-21kworker/u4:10+events_unbound11:05:090
2354979996760,5cyclictest2518100-21kworker/u4:6+events_unbound12:40:001
2354979996758,7cyclictest2488517-21kworker/u4:12+events_unbound11:45:171
2354976996759,6cyclictest2447435-21kworker/u4:8+events_unbound11:20:110
2354976996659,5cyclictest2447004-21kworker/u4:6+events_unbound10:50:040
2354979996556,5cyclictest2518103-21kworker/u4:11+events_unbound12:30:261
2354976996556,7cyclictest2463687-21kworker/u4:17+events_unbound11:15:110
235497699652,53cyclictest2352466-21kworker/u4:11+xprtiod07:10:010
2354976996455,7cyclictest2477524-21kworker/u4:10+events_unbound11:30:150
2354979996355,6cyclictest2433717-21kworker/u4:5+events_unbound10:30:011
2354976996255,5cyclictest2339786-21kworker/u4:2+events_unbound07:19:190
2354979996053,5cyclictest2407284-21kworker/u4:12+events_unbound10:15:021
2354976996052,6cyclictest2358945-21kworker/u4:18+events_unbound07:29:220
2354976995912,41cyclictest2422622-21ssh10:05:340
2354976995847,8cyclictest2372764-21cat08:15:390
235497699581,13cyclictest2419247-21ntpq10:00:290
2354976995749,5cyclictest2365320-21kworker/u4:13+events_unbound08:29:350
2354976995745,9cyclictest0-21swapper/010:18:190
2354976995735,19cyclictest2490761-21gltestperf11:45:220
235497699572,27cyclictest2384706-21apt-get09:05:090
2354979995651,3cyclictest2413906-21kworker/u4:9+events_unbound10:09:561
2354979995648,6cyclictest2407284-21kworker/u4:12+events_unbound09:55:041
2354979995648,6cyclictest2367949-21kworker/u4:9+events_unbound09:14:441
2354976995649,5cyclictest2467102-21kworker/u4:12+events_unbound11:12:040
2354976995649,5cyclictest2423554-21kworker/u4:7+events_unbound10:14:560
2354979995538,9cyclictest2438500-21ssh10:30:161
2354976995446,5cyclictest2401007-21kworker/u4:6+events_unbound09:34:460
2354976995444,7cyclictest2441704-21sshd10:35:000
2354979995346,5cyclictest2513814-21kworker/u4:2+events_unbound12:22:001
2354979995346,5cyclictest2482493-21/usr/sbin/munin11:35:141
2354976995346,5cyclictest2416891-21ssh09:56:450
2354976995344,6cyclictest2389657-21/usr/sbin/munin09:15:130
2354976995340,9cyclictest2365391-21latency_hist07:50:010
2354976995331,20cyclictest2355509-21fschecks_time07:10:340
2354979995245,5cyclictest2518102-21kworker/u4:8+events_unbound12:20:011
235497699526,31cyclictest2476279-21ssh11:25:330
2354976995242,6cyclictest0-21swapper/009:25:310
2354976995239,9cyclictest0-21swapper/011:40:120
2354979995143,6cyclictest2442180-21df_abs10:35:191
2354979995143,6cyclictest2428846-21df10:15:211
2354976995142,6cyclictest2481035-21kworker/u4:2-events_unbound11:50:170
2354976995132,11cyclictest2408213-21modprobe09:45:000
235497699512,7cyclictest2357606-21apt-get07:20:080
2354979995042,6cyclictest2366686-21systemd07:54:281
2354979995042,5cyclictest2453827-21kworker/u4:13+events_unbound10:55:001
2354979995040,7cyclictest2496604-21kworker/u4:4+rpciod12:10:251
2354979995031,15cyclictest0-21swapper/112:25:381
2354979995031,15cyclictest0-21swapper/112:25:381
2354976995040,6cyclictest2379583-21modprobe08:45:000
2354976995037,8cyclictest2407284-21kworker/u4:12-nfsiod10:25:260
2354976995033,10cyclictest0-21swapper/010:42:460
2354979994943,4cyclictest0-21swapper/111:05:071
2354979994942,5cyclictest2486358-21aten_r7power_en11:40:171
2354979994942,5cyclictest2371257-21/usr/sbin/munin08:10:251
2354979994942,4cyclictest2494632-21sh11:50:171
2354976994926,20cyclictest0-21swapper/012:20:410
2354976994922,16cyclictest2531877-21ssh12:34:100
2354976994919,25cyclictest2370544-21modprobe08:10:000
2354979994841,5cyclictest0-21swapper/111:10:161
2354979994839,7cyclictest2365328-21systemd07:49:271
2354976994840,6cyclictest2513816-21kworker/u4:9+events_unbound12:35:250
2354976994831,15cyclictest25550irq/23-42890000.ethernet07:50:090
2354979994722,18cyclictest2472512-21fschecks_count11:20:211
2354976994738,7cyclictest2377515-21fschecks_time08:35:210
2354976994738,6cyclictest2361267-21timerandwakeup07:30:400
2354979994640,4cyclictest2459640-21timerandwakeup11:00:401
2354979994639,5cyclictest2446360-21sendmail_mailqu10:40:391
2354979994634,9cyclictest2477524-21kworker/u4:10+rpciod11:30:131
2354976994637,6cyclictest2369047-21timerandwakeup08:00:400
2354976994636,6cyclictest2383190-21timerwakeupswit08:55:360
2354976994635,7cyclictest2432211-21fschecks_count10:20:210
2354976994633,8cyclictest2371449-21processes08:10:370
2354976994632,10cyclictest0-21swapper/009:20:150
2354979994540,3cyclictest2467096-21kworker/u4:5+events_unbound11:25:151
2354979994539,4cyclictest2383119-21switchtime08:55:361
2354979994538,5cyclictest392-21systemd-logind12:09:041
2354979994538,5cyclictest2463688-21kworker/u4:18+events_unbound11:20:011
2354979994538,5cyclictest2406540-21unixbench-2d09:40:441
2354979994538,5cyclictest2376915-21unixbench_multi08:30:381
2354979994537,6cyclictest2403075-21ldconfig09:35:391
2354979994536,7cyclictest2384678-21systemd09:04:401
2354979994536,6cyclictest2399217-21latency_hist09:30:011
2354976994537,5cyclictest2368034-21latency_hist08:00:010
2354976994536,6cyclictest2516165-21cut12:15:230
2354976994534,7cyclictest2384793-21latency_hist09:05:010
2354979994438,4cyclictest2381409-21gltestperf08:50:201
2354979994438,4cyclictest2356295-21systemd07:14:171
2354979994437,5cyclictest2503899-21ldconfig12:00:301
2354979994436,6cyclictest2367948-21kworker/u4:6+events_unbound07:59:301
2354976994431,7cyclictest24750irq/20-imx-lcdifv3-crtc.009:15:000
2354979994337,4cyclictest2449866-21sed10:45:421
2354979994337,4cyclictest2374399-21modprobe08:25:001
2354979994335,6cyclictest2369331-21latency_hist08:05:011
2354979994335,5cyclictest2377246-21aten_r7power_cu08:35:171
2354979994334,7cyclictest2373059-21kworker/u4:14+events_unbound08:20:011
2354979994334,7cyclictest2357699-21latency_hist07:20:011
2354979994329,11cyclictest1061-21snmpd07:20:381
2354976994335,5cyclictest2367947-21kworker/u4:5-rpciod08:25:010
2354976994333,7cyclictest2443004-21timerwakeupswit10:35:410
2354979994236,4cyclictest2361496-21systemd07:34:211
2354979994235,5cyclictest2370568-21idleruntime-cro08:10:001
2354979994235,5cyclictest2364111-21latency_hist07:45:011
2354979994234,5cyclictest2412540-21/usr/sbin/munin09:50:271
2354979994233,6cyclictest0-21swapper/110:20:221
2354979994232,7cyclictest0-21swapper/109:20:281
2354976994233,7cyclictest2403322-21timerwakeupswit09:35:420
2354979994134,5cyclictest2389901-21df_abs09:15:191
2354979994131,8cyclictest2378834-21fschecks_time08:40:221
2354979994130,8cyclictest2416791-21kworker/u4:14+rpciod10:00:291
2354976994133,4cyclictest2382130-21kworker/u4:608:55:000
2354979994032,6cyclictest0-21swapper/107:35:171
2354979994029,9cyclictest2399451-21cpu09:30:281
2354976994027,8cyclictest0-21swapper/011:00:360
235497999396,28cyclictest2386068-21diskmemload09:45:311
2354979993932,4cyclictest0-21swapper/107:10:011
2354979993931,5cyclictest0-21swapper/108:50:001
2354979993929,7cyclictest0-21swapper/108:25:251
2354976993930,7cyclictest2362654-21unixbench_multi07:35:410
2354979993829,5cyclictest0-21swapper/109:05:291
2354979993828,8cyclictest0-21swapper/107:25:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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