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2026-03-13 - 05:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rack6slot5.osadl.org (updated Fri Mar 13, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72479996425092,4539cyclictest25839-21kworker/0:219:52:450
72479994494774,4633cyclictest25839-21kworker/0:219:27:050
72479992024788,4409cyclictest25839-21kworker/0:220:38:480
72479989214645,4265cyclictest25839-21kworker/0:220:19:190
72479983854262,4071cyclictest25839-21kworker/0:220:47:230
72479982444465,3728cyclictest27083-21kworker/0:123:19:370
72479981724115,3972cyclictest25839-21kworker/0:219:18:120
72479980134236,3717cyclictest27083-21kworker/0:122:32:330
72479976123853,3707cyclictest18635-21kworker/0:121:07:430
72479973783863,3500cyclictest23522-21kworker/0:023:43:530
72479972853676,3558cyclictest25839-21kworker/0:220:57:320
72479972553862,3341cyclictest18635-21kworker/0:121:23:060
72479971593846,3298cyclictest4757-21kworker/0:100:07:080
72479971213733,3365cyclictest27083-21kworker/0:123:21:350
72479970533810,3232cyclictest25839-21kworker/0:220:28:560
72479970093788,3210cyclictest25839-21kworker/0:220:10:150
72479969143696,3167cyclictest25839-21kworker/0:219:37:480
72479968543744,3058cyclictest27083-21kworker/0:122:53:550
72479966563504,3138cyclictest25839-21kworker/0:220:01:130
72479966513616,3030cyclictest25839-21kworker/0:219:23:580
72479964443562,2830cyclictest14050-21kworker/0:022:09:440
72479964333377,3040cyclictest18635-21kworker/0:121:41:230
72479963913358,3009cyclictest14050-21kworker/0:022:11:430
72479962603368,2849cyclictest18635-21kworker/0:121:39:280
72479958013195,2603cyclictest25839-21kworker/0:219:13:000
72479949712775,2192cyclictest25839-21kworker/0:219:33:320
72479947822475,2296cyclictest25839-21kworker/0:219:45:150
72479946294561,45cyclictest18635-21kworker/0:121:25:020
72479942994207,42cyclictest25839-21kworker/0:220:08:390
72479942164145,58cyclictest27083-21kworker/0:122:56:530
72479940473975,58cyclictest25839-21kworker/0:219:58:440
72479934763390,45cyclictest4757-21kworker/0:100:14:270
72479933603268,79cyclictest25839-21kworker/0:219:43:400
61522811184,204sleep00-21swapper19:05:180
72479948733,439cyclictest20321-21diskmemload23:08:050
72479948634,439cyclictest20321-21diskmemload22:18:170
72479948634,438cyclictest20321-21diskmemload21:34:080
72479948633,439cyclictest20321-21diskmemload22:28:170
72479948532,439cyclictest4991-21ssh00:03:410
72479946331,371cyclictest23522-21kworker/0:023:49:270
72479946133,368cyclictest24806-21ssh21:19:470
72479945728,197cyclictest20321-21diskmemload23:26:090
72479945555,98cyclictest10174-21kernelversion21:56:020
72479944515,188cyclictest21421-21ssh00:36:570
72479942124,374cyclictest25755-21runrttasks23:39:070
72479941139,372cyclictest0-21swapper22:21:480
72479941132,88cyclictest4894-21runrttasks20:40:130
72479940936,358cyclictest3012-21latency_hist00:00:060
72479940838,356cyclictest22260-21ssh21:13:140
72479940833,361cyclictest13-21rcuc/023:02:390
72479940731,361cyclictest31950-21ssh22:42:160
72479940537,355cyclictest13003-21ssh22:01:540
72479940532,358cyclictest14924-21ssh00:23:010
72479940522,88cyclictest4192-21lldpd00:27:390
72479940431,359cyclictest20321-21diskmemload22:45:110
72479940331,358cyclictest32666-21ssh23:52:510
72479940331,358cyclictest20321-21diskmemload23:30:250
72479940325,88cyclictest18981-21ssh00:31:290
72479940223,365cyclictest12974-21munin-node20:50:430
72479939631,350cyclictest29327-21ps22:36:050
72479939524,89cyclictest8249-21ssh21:51:210
72479939418,353cyclictest4272-21snmpd21:48:430
72479939227,350cyclictest20321-21diskmemload23:12:110
72479938833,341cyclictest20321-21diskmemload00:16:380
72479936932,285cyclictest5926-21awk20:30:270
72479935835,80cyclictest1646-21munin-node20:20:430
72479935827,270cyclictest17429-21expr21:00:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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