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2025-11-22 - 20:35
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Sat Nov 22, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29088499140,12cyclictest0-21swapper/307:20:163
290884991210,1cyclictest0-21swapper/312:10:143
29088499120,8cyclictest0-21swapper/312:20:133
29088499120,11cyclictest69450irq/121-eno112:29:273
29088499120,11cyclictest69450irq/121-eno108:55:183
29088499120,11cyclictest0-21swapper/311:55:143
29088499120,11cyclictest0-21swapper/311:30:133
29088499120,11cyclictest0-21swapper/311:10:133
29088499120,11cyclictest0-21swapper/307:30:013
2895262129,1sleep0289652-21awk07:05:200
29088499118,1cyclictest0-21swapper/312:00:123
290884991111,0cyclictest0-21swapper/309:00:143
290884991111,0cyclictest0-21swapper/307:45:173
290884991111,0cyclictest0-21swapper/307:45:173
290884991110,0cyclictest69450irq/121-eno108:30:413
29088499110,9cyclictest0-21swapper/309:10:123
29088499110,10cyclictest0-21swapper/310:30:013
29088499110,10cyclictest0-21swapper/310:00:223
29088499110,10cyclictest0-21swapper/307:30:213
29088499110,0cyclictest0-21swapper/312:15:143
29088499110,0cyclictest0-21swapper/309:45:173
29088499110,0cyclictest0-21swapper/307:35:133
29088499109,1cyclictest69450irq/121-eno110:45:153
29088499109,0cyclictest0-21swapper/307:15:013
290884991010,0cyclictest69450irq/121-eno110:40:183
290884991010,0cyclictest69450irq/121-eno110:18:153
290884991010,0cyclictest69450irq/121-eno109:50:373
290884991010,0cyclictest0-21swapper/309:25:003
29088499100,9cyclictest69450irq/121-eno110:52:073
29088499100,9cyclictest69450irq/121-eno109:55:503
29088499100,9cyclictest0-21swapper/308:00:183
29088499100,9cyclictest0-21swapper/307:15:423
29088499100,10cyclictest0-21swapper/311:15:173
29088499100,0cyclictest0-21swapper/308:45:133
29088499100,0cyclictest0-21swapper/308:35:213
2908849999,0cyclictest69450irq/121-eno110:10:213
2908849999,0cyclictest69450irq/121-eno108:15:203
2908849999,0cyclictest0-21swapper/312:30:153
2908849999,0cyclictest0-21swapper/311:35:193
2908849999,0cyclictest0-21swapper/310:20:173
2908849999,0cyclictest0-21swapper/309:15:213
2908849998,1cyclictest69450irq/121-eno107:50:163
2908849998,0cyclictest0-21swapper/312:05:143
2908849990,8cyclictest69450irq/121-eno112:36:583
2908849990,8cyclictest69450irq/121-eno111:45:563
2908849990,8cyclictest69450irq/121-eno110:31:443
2908849990,8cyclictest69450irq/121-eno108:50:193
2908849990,8cyclictest0-21swapper/311:00:133
2908849988,0cyclictest69450irq/121-eno110:58:043
2908849988,0cyclictest69450irq/121-eno110:35:273
2908849988,0cyclictest69450irq/121-eno109:27:423
2908849988,0cyclictest0-21swapper/311:50:143
2908849988,0cyclictest0-21swapper/311:05:143
2908849988,0cyclictest0-21swapper/309:40:143
2908849980,7cyclictest69450irq/121-eno108:40:253
2908849980,7cyclictest69450irq/121-eno107:55:203
2908849980,0cyclictest0-21swapper/311:20:193
2908849980,0cyclictest0-21swapper/308:05:193
2908849977,0cyclictest69450irq/121-eno109:30:153
2908849970,7cyclictest69450irq/121-eno108:13:433
2908849970,6cyclictest69450irq/121-eno111:41:263
2908849970,6cyclictest69450irq/121-eno109:35:193
2908849970,6cyclictest69450irq/121-eno109:05:363
2908849970,6cyclictest69450irq/121-eno108:25:163
2908849970,0cyclictest0-21swapper/310:10:013
331660264,2sleep1754-21snmpd08:51:561
2908849966,0cyclictest69450irq/121-eno111:25:163
290725261,2sleep30-21swapper/307:09:563
2908849955,0cyclictest0-21swapper/307:40:203
2908849951,2cyclictest0-21swapper/308:20:143
288746241,2sleep20-21swapper/207:05:142
288499242,1sleep10-21swapper/107:05:011
419607230,2sleep1419627-21apt-get12:25:021
328323230,2sleep2328367-21aten_r1power_cu08:45:132
294972230,1sleep00-21swapper/007:18:410
421958220,0sleep10-21swapper/112:30:021
406673220,0sleep00-21swapper/011:51:420
404764220,0sleep00-21swapper/011:48:140
396608220,1sleep0396622-21munin-run11:30:010
389291220,0sleep00-21swapper/011:10:200
388513220,1sleep10-21swapper/111:10:131
384545220,1sleep0384788-21df_inode11:00:150
376848220,0sleep20-21swapper/210:40:202
368137220,0sleep00-21swapper/010:20:170
365684221,0sleep10-21swapper/110:15:171
362664220,1sleep10-21swapper/110:10:011
358758220,1sleep20-21swapper/210:00:132
354314220,1sleep2354534-21latency_hist09:50:012
344369220,1sleep1344453-21irqstats09:25:181
339666220,1sleep0339891-21latency_hist09:15:000
336946220,1sleep2337161-21sed09:05:342
335593221,1sleep02645579-21kworker/0:1+events09:03:040
333456220,0sleep00-21swapper/008:55:270
328477220,1sleep0328745-21df08:45:150
318466220,1sleep0318521-21munin-run08:20:010
305041220,1sleep20-21swapper/207:45:172
305041220,1sleep20-21swapper/207:45:172
303741220,1sleep0303891-21ntp_states07:40:190
425862210,0sleep20-21swapper/212:35:232
424945210,0sleep00-21swapper/012:35:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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