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2026-05-25 - 01:52
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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 Mon May 25, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
296522210154,22sleep10-21swapper/119:09:511
293822203163,26sleep20-21swapper/219:06:182
296262199160,25sleep00-21swapper/019:09:290
295972199156,21sleep30-21swapper/319:09:083
122452700,0sleep00-21swapper/021:36:590
29786991818,0cyclictest35-21ksoftirqd/321:32:583
29775991412,1cyclictest22860-21diskmemload22:00:202
2977599140,13cyclictest0-21swapper/222:55:112
2976999140,13cyclictest0-21swapper/122:55:161
29786991311,1cyclictest35-21ksoftirqd/323:30:153
2978699125,4cyclictest35-21ksoftirqd/323:40:143
29786991212,0cyclictest35-21ksoftirqd/321:23:533
29786991212,0cyclictest35-21ksoftirqd/300:05:243
29786991211,1cyclictest35-21ksoftirqd/320:25:163
29786991211,0cyclictest13650irq/124-ahci[0019:15:003
29786991210,1cyclictest35-21ksoftirqd/323:45:113
29786991210,1cyclictest35-21ksoftirqd/321:54:593
29775991210,1cyclictest28-21ksoftirqd/222:00:002
2976999120,11cyclictest0-21swapper/119:40:161
106922120,0sleep00-21swapper/023:01:500
2978699119,1cyclictest35-21ksoftirqd/323:35:163
2978699119,1cyclictest35-21ksoftirqd/321:45:003
29786991111,0cyclictest35-21ksoftirqd/323:05:013
29786991111,0cyclictest35-21ksoftirqd/322:40:133
29786991111,0cyclictest35-21ksoftirqd/321:50:003
29786991111,0cyclictest35-21ksoftirqd/321:39:593
29786991111,0cyclictest35-21ksoftirqd/300:32:543
29786991110,1cyclictest35-21ksoftirqd/323:05:163
29786991110,1cyclictest35-21ksoftirqd/322:35:183
29786991110,1cyclictest35-21ksoftirqd/321:55:183
29786991110,1cyclictest35-21ksoftirqd/321:25:183
29786991110,1cyclictest35-21ksoftirqd/320:55:193
29786991110,1cyclictest35-21ksoftirqd/319:59:593
2977599118,2cyclictest24020-21gltestperf23:20:132
2977599110,11cyclictest0-21swapper/222:49:062
2975899112,4cyclictest6993-21perf22:15:010
2975899112,4cyclictest5868-21perf21:30:000
2978699109,1cyclictest35-21ksoftirqd/323:50:143
2978699109,1cyclictest35-21ksoftirqd/322:25:133
2978699109,1cyclictest35-21ksoftirqd/300:10:123
2978699109,0cyclictest35-21ksoftirqd/321:15:163
2978699108,1cyclictest35-21ksoftirqd/321:05:223
29786991010,0cyclictest35-21ksoftirqd/323:22:483
29786991010,0cyclictest35-21ksoftirqd/323:10:103
29786991010,0cyclictest35-21ksoftirqd/320:00:173
29786991010,0cyclictest35-21ksoftirqd/319:50:223
29786991010,0cyclictest35-21ksoftirqd/319:45:133
29786991010,0cyclictest35-21ksoftirqd/300:36:033
2977599108,1cyclictest28-21ksoftirqd/222:20:012
2977599108,1cyclictest28-21ksoftirqd/222:20:002
2975899103,6cyclictest31525-21perf20:20:010
2975899100,10cyclictest0-21swapper/020:56:060
297869999,0cyclictest35-21ksoftirqd/322:31:553
297869998,1cyclictest35-21ksoftirqd/323:15:183
297869998,1cyclictest35-21ksoftirqd/322:20:183
297869998,1cyclictest35-21ksoftirqd/322:10:113
297869998,1cyclictest35-21ksoftirqd/321:10:153
297869998,1cyclictest35-21ksoftirqd/321:00:153
297869998,1cyclictest35-21ksoftirqd/300:03:063
297869997,1cyclictest35-21ksoftirqd/323:55:133
297869997,1cyclictest35-21ksoftirqd/322:20:013
297869997,1cyclictest35-21ksoftirqd/322:20:013
297869993,4cyclictest35-21ksoftirqd/320:45:143
297759999,0cyclictest28-21ksoftirqd/200:00:212
297759998,1cyclictest28-21ksoftirqd/219:15:002
297759997,1cyclictest28-21ksoftirqd/223:45:002
297759991,4cyclictest19699-21apt-get19:55:132
297589999,0cyclictest22860-21diskmemload23:46:310
297589994,2cyclictest240-21systemd-journal20:25:000
297589990,4cyclictest0-21swapper/019:15:100
297589990,3cyclictest0-21swapper/000:15:120
297869988,0cyclictest35-21ksoftirqd/323:25:163
297869988,0cyclictest35-21ksoftirqd/320:50:143
297869987,1cyclictest35-21ksoftirqd/322:45:283
297869987,1cyclictest35-21ksoftirqd/319:20:013
297869987,1cyclictest35-21ksoftirqd/300:25:103
297869987,1cyclictest35-21ksoftirqd/300:25:003
297869987,0cyclictest35-21ksoftirqd/300:20:003
297869986,1cyclictest35-21ksoftirqd/320:30:163
297869986,1cyclictest35-21ksoftirqd/320:14:593
297869986,1cyclictest35-21ksoftirqd/319:25:003
297869986,0cyclictest35-21ksoftirqd/319:40:003
297869985,1cyclictest35-21ksoftirqd/322:05:003
297869980,7cyclictest0-21swapper/320:35:153
297759988,0cyclictest28-21ksoftirqd/223:45:132
297759988,0cyclictest28-21ksoftirqd/223:35:202
297759988,0cyclictest28-21ksoftirqd/200:10:142
297759987,1cyclictest28-21ksoftirqd/221:45:112
297759987,1cyclictest28-21ksoftirqd/220:00:122
297759987,1cyclictest28-21ksoftirqd/219:35:002
297759986,1cyclictest61650irq/122-eno123:15:182
297759986,1cyclictest61650irq/122-eno121:20:012
297759986,1cyclictest61650irq/122-eno100:33:012
297759986,1cyclictest28-21ksoftirqd/222:25:132
297759986,1cyclictest28-21ksoftirqd/219:25:012
297759986,1cyclictest28-21ksoftirqd/200:20:002
297759986,1cyclictest28-21ksoftirqd/200:07:412
297759982,2cyclictest13594-21apt-get21:40:112
297699980,4cyclictest0-21swapper/121:35:121
297589987,1cyclictest9-21ksoftirqd/020:55:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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