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2026-07-12 - 02:06
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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 highest latencies:
System rack9slot4.osadl.org (updated Sat Jul 11, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24059911950cyclictest12161-21latency_hist02:59:360
24059911846cyclictest8635-21latency_hist01:04:320
2219111879sleep0-21swapper/100:44:241
24059911742cyclictest3673-21/usr/sbin/munin06:00:110
24059911450cyclictest1632-21latency_hist04:09:370
24059911440cyclictest16567-21vmstat03:10:160
24059911429cyclictest1-21systemd05:00:100
24059911341cyclictest31733-21kernelversion04:00:040
24059911341cyclictest31733-21kernelversion04:00:040
24059911335cyclictest297-21snmpd04:45:420
24059911140cyclictest18497-21latency_hist03:19:360
24059911140cyclictest18497-21latency_hist03:19:360
24059911140cyclictest10278-21latency_hist01:09:320
24059911137cyclictest8879-21/usr/sbin/munin04:30:130
1176111172sleep0-21swapper/000:44:020
24059911037cyclictest23491-21latency_hist05:19:390
24059910941cyclictest21455-21awk05:10:140
24059910936cyclictest8279-21date06:14:410
24059910843cyclictest16452-21latency_hist01:29:330
24059910743cyclictest21544-21latency_hist03:29:360
24059910642cyclictest29415-21latency_hist03:54:370
24059910638cyclictest12624-21latency_hist04:44:390
24059910540cyclictest26247-21wc03:44:360
24059910540cyclictest26247-21wc03:44:360
24059910535cyclictest22375-21unixbench_singl01:45:110
24059910439cyclictest9515-21memory01:05:020
24059910436cyclictest4233-21processes04:15:130
24059910337cyclictest31071-21chrt05:40:560
24059910332cyclictest74-21mmcqd/003:09:360
24059910243cyclictest15864-21basename04:54:500
24059910238cyclictest8635-21latency_hist01:04:320
24059910133cyclictest14890-21latency_hist01:24:330
24059910110cyclictest0-21swapper/002:04:510
24059910053cyclictest3657-21ls02:30:050
24059910039cyclictest11031-21latency_hist04:39:380
24059910036cyclictest13164-21open_files03:00:100
2405999737cyclictest74-21mmcqd/005:29:550
2405999648cyclictest8005-21cut02:44:560
2405999637cyclictest20366-21latency_hist05:09:390
2413999538cyclictest14206-21dmesg03:04:561
2405999548cyclictest524-21missed_timers02:20:050
2405999542cyclictest23107-21latency_hist03:34:370
2405999538cyclictest7071-21latency_hist00:59:320
240599949cyclictest0-21swapper/001:59:100
2405999449cyclictest23672-21aten_r9power_en05:19:520
240599937cyclictest0-21swapper/002:34:530
2405999348cyclictest16596-21aten2.4-expect01:29:450
2413999239cyclictest29893-21grep03:54:561
2405999242cyclictest20671-21rt-features01:40:090
2405999241cyclictest24269-21latency_hist01:54:340
240599917cyclictest0-21swapper/005:52:160
2405999142cyclictest26717-21dmesg03:44:580
2405999128cyclictest10638-21latency_hist02:54:350
2405999111cyclictest0-21swapper/004:10:020
2405999050cyclictest23722-21fschecks_time03:34:580
2405999043cyclictest26336-21fschecks_count01:59:530
2405999038cyclictest2213-21awk02:25:080
2405999027cyclictest6295-21latency_hist04:24:380
2405999027cyclictest6295-21latency_hist04:24:380
2413998934cyclictest16108-21cut04:54:571
240599897cyclictest0-21swapper/002:15:160
6950880irq/18-mmc0241399cyclictest04:30:131
2413998822cyclictest0-21swapper/101:54:521
240599888cyclictest0-21swapper/005:25:110
2405998842cyclictest14518-21diskstats04:49:570
2405998838cyclictest19158-21cat01:35:100
2405998837cyclictest29674-21if_err_eth002:09:570
241399878cyclictest0-21swapper/103:33:421
2413998736cyclictest8359-21wc02:45:051
2405998740cyclictest6265-21expr02:39:490
2405998740cyclictest6265-21expr02:39:490
241399868cyclictest0-21swapper/103:25:521
2405998628cyclictest7050irq/18-mmc105:44:560
241399859cyclictest0-21swapper/101:32:321
241399854cyclictest23806-21/usr/sbin/munin05:19:541
2413998531cyclictest20534-21ntpdc01:40:031
2413998530cyclictest0-21swapper/106:05:091
2405998511cyclictest0-21swapper/003:59:120
6950840irq/18-mmc0241399cyclictest00:50:051
241399849cyclictest0-21swapper/105:50:061
241399849cyclictest0-21swapper/103:21:591
241399849cyclictest0-21swapper/103:21:591
241399848cyclictest0-21swapper/104:35:301
241399848cyclictest0-21swapper/102:52:591
241399848cyclictest0-21swapper/101:35:441
2413998437cyclictest17774-21dmesg04:59:591
2405998426cyclictest29229-21ps05:35:150
241399839cyclictest0-21swapper/105:37:561
241399839cyclictest0-21swapper/104:04:011
241399839cyclictest0-21swapper/104:04:011
241399839cyclictest0-21swapper/102:04:531
241399838cyclictest0-21swapper/105:41:341
241399838cyclictest0-21swapper/105:25:241
241399838cyclictest0-21swapper/103:13:031
241399838cyclictest0-21swapper/102:10:001
2413998312cyclictest0-21swapper/104:45:331
2413998312cyclictest0-21swapper/102:29:471
2413998310cyclictest0-21swapper/102:41:311
2413998310cyclictest0-21swapper/102:41:311
2405998352cyclictest17823-21ntp_kernel_pll_03:15:070
2405998348cyclictest2103-21/usr/sbin/munin05:55:180
241399829cyclictest0-21swapper/104:05:071
241399828cyclictest0-21swapper/105:18:021
241399828cyclictest0-21swapper/102:18:531
241399828cyclictest0-21swapper/101:49:471
241399828cyclictest0-21swapper/100:44:461
241399826cyclictest12543-21runrttasks04:44:381
2413998235cyclictest6881-21basename06:09:521
2405998260cyclictest0-21swapper/000:44:490
2405998228cyclictest74-21mmcqd/006:05:310
241399819cyclictest0-21swapper/103:49:171
241399819cyclictest0-21swapper/101:01:521
241399819cyclictest0-21swapper/101:01:521
241399818cyclictest0-21swapper/104:25:101
241399818cyclictest0-21swapper/103:35:061
241399818cyclictest0-21swapper/102:19:521
2413998115cyclictest0-21swapper/105:09:501
2413998110cyclictest0-21swapper/105:55:071
2405998164cyclictest7461-21timerandwakeup04:25:160
241399809cyclictest0-21swapper/102:54:461
241399808cyclictest0-21swapper/103:15:561
241399808cyclictest0-21swapper/101:20:011
241399804cyclictest15202-21ls01:24:461
2413998028cyclictest0-21swapper/103:50:081
2413998010cyclictest0-21swapper/105:29:511
2413998010cyclictest0-21swapper/104:15:471
2405998043cyclictest12378-21fschecks_time01:14:540
241399799cyclictest0-21swapper/103:00:061
241399799cyclictest0-21swapper/101:44:541
2413997911cyclictest0-21swapper/104:10:081
241399789cyclictest0-21swapper/102:34:571
241399788cyclictest0-21swapper/105:45:171
241399788cyclictest0-21swapper/105:05:541
2413997812cyclictest0-21swapper/104:20:011
2413997812cyclictest0-21swapper/104:20:011
2413997811cyclictest0-21swapper/106:00:181
241399779cyclictest0-21swapper/101:59:441
241399778cyclictest0-21swapper/103:40:061
241399778cyclictest0-21swapper/103:40:061
241399778cyclictest0-21swapper/100:57:121
2405997738cyclictest4062-21/usr/sbin/munin00:49:560
241399769cyclictest0-21swapper/102:24:491
241399759cyclictest0-21swapper/101:10:091
241399758cyclictest0-21swapper/101:05:111
241399749cyclictest0-21swapper/104:50:181
241399748cyclictest0-21swapper/101:14:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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