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2026-05-06 - 08:34
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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 Wed May 06, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
765099108955709,5172cyclictest25881-21kworker/0:019:14:110
76509992444612,4616cyclictest18440-21kworker/0:119:42:110
76509985914259,4272cyclictest2803-21kworker/0:120:44:440
76509983544268,4071cyclictest2803-21kworker/0:120:48:370
76509982214412,3798cyclictest25881-21kworker/0:019:15:560
76509981794069,4087cyclictest25994-21kworker/0:222:56:430
76509979444092,3837cyclictest32298-21kworker/0:100:30:260
76509977963983,3761cyclictest25994-21kworker/0:222:53:390
76509975144020,3434cyclictest2803-21kworker/0:121:02:310
76509974893860,3614cyclictest25881-21kworker/0:019:26:190
76509973973990,3392cyclictest2803-21kworker/0:121:06:130
76509972913832,3444cyclictest32298-21kworker/0:100:07:310
76509970323479,3538cyclictest18440-21kworker/0:119:39:560
76509968333506,3313cyclictest21619-21kworker/0:223:45:580
76509965863254,3318cyclictest21619-21kworker/0:223:43:590
76509963553538,2766cyclictest26566-21kworker/0:220:08:570
76509963453258,3073cyclictest26566-21kworker/0:220:12:260
76509962703308,2910cyclictest32298-21kworker/0:100:27:150
76509959973271,2674cyclictest2803-21kworker/0:120:27:400
76509958383206,2621cyclictest25881-21kworker/0:019:20:050
76509943192549,1755cyclictest2803-21kworker/0:120:31:220
72302785185,203sleep00-21swapper19:07:090
76509952896,248cyclictest13-21rcuc/023:05:450
76509949353,425cyclictest27234-21strings23:50:580
76509948733,439cyclictest20501-21diskmemload21:57:040
76509948634,438cyclictest25975-21strings22:36:010
76509945218,419cyclictest25533-21sed19:55:300
76509944163,195cyclictest17628-21df_inode23:30:360
76509943762,361cyclictest14392-21if_eth022:10:170
76509942149,359cyclictest18440-21kworker/0:119:45:130
76509941531,370cyclictest20501-21diskmemload22:31:090
76509941449,351cyclictest20501-21diskmemload21:49:010
76509941352,347cyclictest20501-21diskmemload21:26:100
76509941132,0cyclictest14818-21df00:35:250
7650994098,386cyclictest26930-21ssh21:24:380
76509940933,362cyclictest5858-21runrttasks23:02:470
76509940851,343cyclictest20501-19diskmemload21:16:250
76509940734,359cyclictest11-21ksoftirqd/022:48:320
76509940638,186cyclictest20803-21ssh22:25:090
76509940559,247cyclictest6264-21kworker/0:123:11:020
76509940533,358cyclictest15912-21strings23:26:040
76509940432,190cyclictest21909-21ssh21:11:380
76509940331,358cyclictest20501-21diskmemload21:53:210
76509940331,358cyclictest2023-21ssh21:40:570
76509940233,356cyclictest4893-21ssh00:13:260
76509940217,88cyclictest20501-21diskmemload22:01:210
76509940186,254cyclictest21228-21ssh23:38:570
76509940052,287cyclictest20501-21diskmemload22:06:070
76509940031,299cyclictest4192-21lldpd23:21:580
76509939853,285cyclictest20501-21diskmemload21:31:540
76509939836,349cyclictest11-21ksoftirqd/022:16:470
76509939633,348cyclictest4894-21runrttasks20:54:260
76509939617,317cyclictest11-21ksoftirqd/022:20:230
76509939554,158cyclictest29425-21ssh22:45:060
76509939531,350cyclictest20501-21diskmemload00:00:240
76509939432,301cyclictest23168-21munin-node19:50:120
76509939431,293cyclictest31713-21ssh21:35:290
76509939332,299cyclictest29902-21fschecks_count23:56:410
76509939331,347cyclictest20501-21diskmemload00:21:070
76509939231,299cyclictest16167-21runrttasks20:56:030
76509939132,174cyclictest27888-21ls20:00:550
76509938834,293cyclictest4253-21lldpd20:38:180
76509938735,291cyclictest10950-21awk23:15:280
76509938733,340cyclictest7275-21ssh00:19:340
76509938631,117cyclictest15894-21awk19:30:200
76509938033,286cyclictest2207-21expr20:20:260
76509936932,164cyclictest32731-21expr20:15:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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