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2025-11-15 - 08:30
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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 Sat Nov 15, 2025 00:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323392201162,26sleep20-21swapper/219:08:232
321872199161,25sleep10-21swapper/119:06:251
321422199161,24sleep30-21swapper/319:05:513
322132196157,26sleep00-21swapper/019:06:450
44572650,0sleep20-21swapper/220:25:122
108872650,0sleep10-21swapper/122:17:501
147662580,0sleep0101rcuc/022:23:530
160292200,1sleep3341rcuc/319:40:163
275292190,0sleep325471-21diskmemload22:40:233
275292190,0sleep325471-21diskmemload22:40:233
32549991414,0cyclictest0-21swapper/019:40:240
32570991312,1cyclictest35-21ksoftirqd/300:10:213
32570991210,1cyclictest35-21ksoftirqd/322:50:123
3256299120,11cyclictest28390-21apt-get00:15:022
3256299120,11cyclictest28390-21apt-get00:15:012
32549991211,1cyclictest9-21ksoftirqd/023:30:000
32549991211,1cyclictest9-21ksoftirqd/021:50:000
32549991211,1cyclictest101rcuc/020:05:000
32549991210,1cyclictest9-21ksoftirqd/019:40:000
3257099119,1cyclictest35-21ksoftirqd/323:15:173
3257099119,1cyclictest35-21ksoftirqd/322:00:213
3257099119,1cyclictest35-21ksoftirqd/321:10:163
3257099119,1cyclictest35-21ksoftirqd/300:20:223
32570991110,1cyclictest35-21ksoftirqd/323:50:003
32570991110,1cyclictest35-21ksoftirqd/321:55:183
3256299110,10cyclictest2491-21munin-node22:51:482
3254999119,1cyclictest9-21ksoftirqd/000:15:000
3254999119,1cyclictest4341-21cron21:25:000
3254999112,4cyclictest13659-21latency_hist20:45:000
32549991110,1cyclictest9-21ksoftirqd/023:40:170
3254999110,10cyclictest2491-21munin-node23:20:460
3257099109,1cyclictest35-21ksoftirqd/323:30:183
3257099109,1cyclictest35-21ksoftirqd/323:25:173
3257099109,1cyclictest35-21ksoftirqd/322:30:153
3257099109,1cyclictest35-21ksoftirqd/321:35:213
3257099109,1cyclictest35-21ksoftirqd/321:20:003
3257099109,1cyclictest35-21ksoftirqd/321:15:233
3257099109,1cyclictest35-21ksoftirqd/320:25:153
3257099109,1cyclictest35-21ksoftirqd/319:55:153
3257099109,1cyclictest35-21ksoftirqd/300:35:123
3257099109,0cyclictest35-21ksoftirqd/323:10:143
3257099108,1cyclictest35-21ksoftirqd/321:50:133
3257099108,1cyclictest35-21ksoftirqd/320:35:003
32570991010,0cyclictest35-21ksoftirqd/323:50:133
32570991010,0cyclictest35-21ksoftirqd/323:40:223
32570991010,0cyclictest35-21ksoftirqd/323:05:003
32570991010,0cyclictest35-21ksoftirqd/321:31:553
32570991010,0cyclictest35-21ksoftirqd/321:30:003
3256299106,2cyclictest60950irq/123-eno123:30:282
3256299100,10cyclictest0-21swapper/221:27:082
3254999109,1cyclictest9-21ksoftirqd/019:30:000
3254999108,1cyclictest9-21ksoftirqd/023:55:150
3254999108,1cyclictest9-21ksoftirqd/022:25:140
3254999108,1cyclictest9-21ksoftirqd/020:05:000
325709999,0cyclictest35-21ksoftirqd/323:20:203
325709999,0cyclictest35-21ksoftirqd/322:22:483
325709999,0cyclictest35-21ksoftirqd/322:15:203
325709998,1cyclictest35-21ksoftirqd/323:05:163
325709998,1cyclictest35-21ksoftirqd/322:12:053
325709998,1cyclictest35-21ksoftirqd/320:35:183
325709998,1cyclictest35-21ksoftirqd/319:35:213
325709998,1cyclictest35-21ksoftirqd/300:00:133
325709997,1cyclictest35-21ksoftirqd/323:55:143
325629998,1cyclictest28-21ksoftirqd/222:39:522
325629998,1cyclictest28-21ksoftirqd/200:14:102
325629997,1cyclictest28-21ksoftirqd/223:44:022
325629992,5cyclictest0-21swapper/221:10:122
325499998,1cyclictest9-21ksoftirqd/022:35:140
325499998,1cyclictest9-21ksoftirqd/021:35:010
325499998,0cyclictest9-21ksoftirqd/022:35:000
325499991,4cyclictest14877-21date23:10:000
325499990,4cyclictest4474-21/usr/sbin/munin22:55:190
325709988,0cyclictest35-21ksoftirqd/322:50:013
325709988,0cyclictest35-21ksoftirqd/322:05:163
325709988,0cyclictest35-21ksoftirqd/321:05:163
325709988,0cyclictest35-21ksoftirqd/321:05:163
325709987,1cyclictest35-21ksoftirqd/323:35:473
325709987,1cyclictest35-21ksoftirqd/322:35:133
325709987,1cyclictest35-21ksoftirqd/322:26:583
325709987,1cyclictest35-21ksoftirqd/321:46:443
325709987,1cyclictest35-21ksoftirqd/320:15:203
325709987,1cyclictest35-21ksoftirqd/300:15:163
325709987,1cyclictest35-21ksoftirqd/300:15:163
325709987,0cyclictest35-21ksoftirqd/300:05:163
325709986,1cyclictest35-21ksoftirqd/321:40:173
325709986,1cyclictest19110-21snmpd20:58:383
325709986,1cyclictest19110-21snmpd20:01:523
325629986,1cyclictest60950irq/123-eno123:45:132
325629986,1cyclictest60950irq/123-eno122:45:462
325629986,1cyclictest60950irq/123-eno122:32:562
325629986,1cyclictest60950irq/123-eno120:05:002
325629986,1cyclictest28-21ksoftirqd/220:55:002
325629986,1cyclictest19110-21snmpd00:34:122
325629982,3cyclictest0-21swapper/222:41:542
325629982,3cyclictest0-21swapper/222:41:542
325499988,0cyclictest9-21ksoftirqd/022:40:170
325499988,0cyclictest9-21ksoftirqd/022:40:170
325499987,1cyclictest9-21ksoftirqd/000:15:220
325499987,1cyclictest9-21ksoftirqd/000:15:220
325499986,2cyclictest492-21fschecks_count00:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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