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2026-05-13 - 23:32
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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 100 highest latencies:
System rack1slot1.osadl.org (updated Wed May 13, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75812231157,24sleep00-21swapper/007:07:480
74442218147,56sleep20-21swapper/207:06:022
76372204159,26sleep10-21swapper/107:08:341
75372202140,49sleep30-21swapper/307:07:153
199132680,0sleep10-21swapper/111:42:081
45992650,0sleep30-21swapper/309:55:163
7887991615,1cyclictest28-21ksoftirqd/209:15:192
7887991614,1cyclictest15595-21perf07:24:592
7869991412,1cyclictest22814-21sed08:45:150
7869991411,2cyclictest9273-21pmu-power07:10:190
7887991313,0cyclictest28-21ksoftirqd/210:34:432
7887991310,1cyclictest28-21ksoftirqd/212:39:592
7869991311,1cyclictest9-21ksoftirqd/008:45:010
7869991311,1cyclictest22478-21/usr/sbin/munin12:30:130
7869991310,2cyclictest8047-21ssh10:44:090
788799125,7cyclictest61650irq/122-eno111:03:412
7887991212,0cyclictest28-21ksoftirqd/212:29:182
7887991212,0cyclictest28-21ksoftirqd/209:51:052
7887991211,1cyclictest28-21ksoftirqd/208:40:122
786999129,2cyclictest21803-21cut07:35:200
786999129,2cyclictest15577-21ssh11:35:270
7869991211,1cyclictest0-21swapper/011:25:200
7869991210,2cyclictest1091-21diskmemload11:51:260
7869991210,2cyclictest0-21swapper/010:05:160
7869991210,1cyclictest17598-21fschecks_count08:35:130
7869991210,1cyclictest10885-21awk08:20:180
7895991110,1cyclictest35-21ksoftirqd/307:20:003
788799119,1cyclictest28-21ksoftirqd/211:55:142
788799119,1cyclictest28-21ksoftirqd/207:30:012
7887991110,1cyclictest28-21ksoftirqd/208:35:182
7887991110,1cyclictest28-21ksoftirqd/208:09:592
788799110,10cyclictest10203-21munin-node09:59:442
786999119,1cyclictest7862-21cstates12:10:140
786999119,1cyclictest4474-21fschecks_time12:05:130
786999119,1cyclictest1091-21diskmemload09:49:480
786999119,1cyclictest0-21swapper/007:40:190
786999119,1cyclictest0-21swapper/007:40:190
786999118,2cyclictest9761-21strings10:45:170
786999118,2cyclictest4160-21cat11:20:200
786999118,2cyclictest29273-21chrt10:29:180
786999118,2cyclictest24493-21ssh11:49:300
786999118,2cyclictest15512-21sshd07:24:180
786999118,2cyclictest0-21swapper/009:00:130
786999112,6cyclictest21050-21apt-get09:35:130
786999112,0cyclictest9-21ksoftirqd/011:32:180
7869991111,0cyclictest9-21ksoftirqd/008:32:010
7869991110,1cyclictest1091-21diskmemload10:51:350
7869991110,1cyclictest0-21swapper/010:55:420
786999111,9cyclictest11785-21ssh09:22:070
788799109,1cyclictest28-21ksoftirqd/211:35:002
788799109,1cyclictest28-21ksoftirqd/210:00:162
788799109,1cyclictest28-21ksoftirqd/209:45:122
788799109,1cyclictest28-21ksoftirqd/208:25:142
788799109,1cyclictest0-21swapper/208:50:172
788799109,0cyclictest28-21ksoftirqd/209:25:152
788799108,1cyclictest28-21ksoftirqd/212:15:012
788799108,1cyclictest28-21ksoftirqd/207:35:012
788799108,1cyclictest28-21ksoftirqd/207:19:592
788799107,2cyclictest28-21ksoftirqd/211:05:112
788799107,1cyclictest28-21ksoftirqd/210:20:002
788799106,3cyclictest28-21ksoftirqd/212:20:002
788799100,7cyclictest23530-21snmpd09:35:112
786999109,1cyclictest1091-21diskmemload12:35:110
786999109,1cyclictest1091-21diskmemload10:35:460
786999109,1cyclictest1091-21diskmemload10:14:230
786999109,1cyclictest1091-21diskmemload09:29:380
786999109,1cyclictest0-21swapper/012:26:280
786999109,1cyclictest0-21swapper/012:15:120
786999109,1cyclictest0-21swapper/011:55:540
786999109,1cyclictest0-21swapper/009:31:410
786999109,1cyclictest0-21swapper/009:10:120
786999109,1cyclictest0-21swapper/009:05:140
786999108,1cyclictest693-21runrttasks09:19:250
786999108,1cyclictest1091-21diskmemload11:42:370
786999108,1cyclictest1091-21diskmemload11:11:060
786999105,5cyclictest0-21swapper/011:01:510
786999105,4cyclictest1021-21latency12:00:140
786999104,5cyclictest18604-21/usr/sbin/munin10:15:150
786999103,6cyclictest7091-21ssh09:59:570
786999102,7cyclictest32191-21gpgv08:00:000
786999102,7cyclictest15050-21cut12:20:120
78879999,0cyclictest28-21ksoftirqd/212:20:392
78879998,1cyclictest28-21ksoftirqd/212:31:132
78879998,1cyclictest28-21ksoftirqd/210:24:472
78879998,1cyclictest28-21ksoftirqd/209:40:142
78879998,1cyclictest28-21ksoftirqd/209:10:152
78879998,1cyclictest28-21ksoftirqd/208:15:152
78879998,1cyclictest28-21ksoftirqd/207:10:192
78879997,1cyclictest28-21ksoftirqd/208:55:142
78879997,1cyclictest28-21ksoftirqd/208:10:112
78879993,3cyclictest28-21ksoftirqd/208:20:162
78879990,7cyclictest5423-21kworker/2:110:48:012
78879990,2cyclictest0-21swapper/207:35:112
78879990,1cyclictest20676-21sh11:44:162
78879990,0cyclictest0-21swapper/211:12:282
78819998,1cyclictest21-21ksoftirqd/109:58:541
78819990,3cyclictest0-21swapper/111:20:111
78819990,3cyclictest0-21swapper/111:10:141
78699999,0cyclictest9-21ksoftirqd/009:54:080
78699999,0cyclictest9-21ksoftirqd/008:56:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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