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2026-03-25 - 04:06
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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 Mar 25, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68242213152,49sleep30-21swapper/319:09:243
67552212175,24sleep10-21swapper/119:08:291
66922203128,15sleep00-21swapper/019:07:400
65902202164,24sleep20-21swapper/219:06:222
282762700,0sleep00-21swapper/000:31:170
6952991715,0cyclictest28-21ksoftirqd/222:35:482
694599150,1cyclictest0-21swapper/021:20:110
280992150,0sleep00-21swapper/021:00:140
6952991413,1cyclictest28-21ksoftirqd/223:46:352
6952991413,1cyclictest28-21ksoftirqd/221:30:142
6952991412,1cyclictest28-21ksoftirqd/222:30:002
6952991312,1cyclictest28-21ksoftirqd/222:50:142
6952991312,1cyclictest28-21ksoftirqd/220:00:202
6952991311,1cyclictest28-21ksoftirqd/220:15:152
694599133,5cyclictest11917-21sort23:30:000
695299123,5cyclictest28-21ksoftirqd/223:50:122
6952991211,1cyclictest28-21ksoftirqd/223:30:162
6952991211,1cyclictest28-21ksoftirqd/223:10:192
6952991211,1cyclictest28-21ksoftirqd/221:55:192
6952991211,1cyclictest28-21ksoftirqd/221:20:162
6952991211,1cyclictest28-21ksoftirqd/220:55:192
6952991211,1cyclictest28-21ksoftirqd/220:10:212
6952991211,1cyclictest28-21ksoftirqd/219:20:152
6952991210,1cyclictest28-21ksoftirqd/223:25:202
6952991210,1cyclictest28-21ksoftirqd/223:20:002
6952991210,1cyclictest28-21ksoftirqd/222:40:112
6952991210,1cyclictest28-21ksoftirqd/200:00:102
694599122,7cyclictest9310-21munin-node21:07:500
694599120,4cyclictest0-21swapper/019:45:170
694599120,12cyclictest0-21swapper/020:15:160
6953991110,1cyclictest35-21ksoftirqd/323:20:003
695299119,1cyclictest28-21ksoftirqd/221:15:112
695299119,1cyclictest28-21ksoftirqd/220:55:002
695299119,1cyclictest28-21ksoftirqd/220:30:002
695299119,1cyclictest28-21ksoftirqd/219:40:002
695299119,1cyclictest28-21ksoftirqd/200:07:222
695299114,4cyclictest18157-21kworker/2:222:13:072
6952991110,1cyclictest28-21ksoftirqd/223:59:592
6952991110,1cyclictest28-21ksoftirqd/222:20:012
6952991110,1cyclictest28-21ksoftirqd/221:04:592
6952991110,1cyclictest28-21ksoftirqd/220:40:152
6952991110,0cyclictest28-21ksoftirqd/221:40:142
694599116,4cyclictest707-21snmpd00:07:490
694599110,7cyclictest31629-21ssh21:50:020
694599110,4cyclictest32275-21diskmemload23:54:240
694599110,10cyclictest0-21swapper/022:32:540
694599110,1cyclictest31653-21apt-get20:00:120
694599110,1cyclictest25689-21ssh23:45:460
695299109,1cyclictest28-21ksoftirqd/223:45:012
695299109,1cyclictest28-21ksoftirqd/222:55:162
695299109,1cyclictest28-21ksoftirqd/222:05:142
695299109,1cyclictest28-21ksoftirqd/222:00:102
695299109,1cyclictest28-21ksoftirqd/221:50:112
695299109,1cyclictest28-21ksoftirqd/221:35:162
695299109,1cyclictest28-21ksoftirqd/219:10:112
695299108,1cyclictest28-21ksoftirqd/222:50:002
695299108,1cyclictest28-21ksoftirqd/219:45:122
695299108,1cyclictest28-21ksoftirqd/219:19:592
695299108,1cyclictest28-21ksoftirqd/200:35:202
695299106,3cyclictest32024-21timerandwakeup22:30:212
695299103,5cyclictest18157-21kworker/2:200:22:042
6952991010,0cyclictest28-21ksoftirqd/223:35:202
6952991010,0cyclictest28-21ksoftirqd/222:15:152
6952991010,0cyclictest28-21ksoftirqd/221:45:452
6952991010,0cyclictest28-21ksoftirqd/221:45:452
694599105,1cyclictest707-21snmpd21:40:030
694599104,1cyclictest32275-21diskmemload23:22:380
694599101,5cyclictest15984-21ssh23:35:050
694599101,3cyclictest21569-21kworker/u8:023:03:070
694599101,3cyclictest0-21swapper/000:25:000
694599101,1cyclictest24646-21ssh00:26:470
694599100,6cyclictest3290-21ssh21:55:070
694599100,5cyclictest4811-1kworker/u9:122:38:290
694599100,1cyclictest31946-21ssh00:35:440
24422100,0sleep30-21swapper/323:59:443
217212100,1sleep10-21swapper/123:40:271
69539998,1cyclictest23631-21fschecks_time20:50:143
69539991,5cyclictest0-21swapper/321:23:253
69529999,0cyclictest5897-21sensors23:20:192
69529999,0cyclictest28-21ksoftirqd/223:00:152
69529998,1cyclictest28-21ksoftirqd/223:05:162
69529998,1cyclictest28-21ksoftirqd/220:30:142
69529998,1cyclictest28-21ksoftirqd/219:55:182
69529998,1cyclictest28-21ksoftirqd/200:30:102
69529998,1cyclictest28-21ksoftirqd/200:25:232
69529998,1cyclictest28-21ksoftirqd/200:10:122
69529997,1cyclictest28-21ksoftirqd/200:20:002
69459995,0cyclictest29829-21ssh22:29:010
69459994,1cyclictest18429-21ssh22:14:590
69459994,1cyclictest0-21swapper/023:15:120
69459993,1cyclictest0-21swapper/023:40:230
69459992,4cyclictest561-21nscd00:11:090
69459990,6cyclictest5157-21ssh00:01:080
69459990,6cyclictest32633-21ssh23:14:460
69459990,3cyclictest0-21swapper/019:40:110
69459990,0cyclictest0-21swapper/023:31:480
69459990,0cyclictest0-21swapper/023:05:130
69459990,0cyclictest0-21swapper/022:02:440
69459990,0cyclictest0-21swapper/021:27:160
21494290,0sleep10-21swapper/122:17:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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