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2025-11-23 - 11:58
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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 rack8slot7.osadl.org (updated Sun Nov 23, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3197991818,0cyclictest60250irq/125-lan21:19:572
3197991818,0cyclictest60250irq/125-lan00:14:132
3197991817,1cyclictest60250irq/125-lan23:10:012
3197991817,1cyclictest60250irq/125-lan21:55:212
3197991717,0cyclictest60250irq/125-lan22:39:112
3197991717,0cyclictest60250irq/125-lan22:15:292
3197991717,0cyclictest60250irq/125-lan20:25:212
3197991716,1cyclictest60250irq/125-lan23:47:102
3197991716,1cyclictest60250irq/125-lan23:30:182
3197991716,1cyclictest60250irq/125-lan23:10:162
3197991716,1cyclictest60250irq/125-lan20:50:132
3197991716,1cyclictest60250irq/125-lan20:00:242
3197991716,1cyclictest60250irq/125-lan19:55:232
3197991716,1cyclictest60250irq/125-lan00:25:212
3197991715,1cyclictest60250irq/125-lan00:35:182
3197991616,0cyclictest60250irq/125-lan23:40:162
3197991616,0cyclictest60250irq/125-lan23:21:112
3197991616,0cyclictest60250irq/125-lan22:15:002
3197991616,0cyclictest60250irq/125-lan19:31:492
3197991615,1cyclictest60250irq/125-lan23:55:262
3197991615,1cyclictest60250irq/125-lan22:55:142
3197991615,1cyclictest60250irq/125-lan22:25:232
3197991615,1cyclictest60250irq/125-lan20:40:502
3197991615,1cyclictest60250irq/125-lan20:20:132
3197991615,1cyclictest60250irq/125-lan19:45:152
3197991615,1cyclictest60250irq/125-lan00:05:162
3197991615,1cyclictest60250irq/125-lan00:00:202
3197991515,0cyclictest60250irq/125-lan23:19:122
3197991515,0cyclictest60250irq/125-lan21:04:562
3197991515,0cyclictest60250irq/125-lan20:17:062
3197991515,0cyclictest60250irq/125-lan00:20:232
3197991514,1cyclictest60250irq/125-lan22:00:142
3197991514,1cyclictest60250irq/125-lan21:50:212
3197991514,1cyclictest60250irq/125-lan21:35:242
3197991514,1cyclictest60250irq/125-lan20:45:212
3197991514,1cyclictest60250irq/125-lan20:30:222
3197991514,1cyclictest60250irq/125-lan19:23:102
3197991514,1cyclictest60250irq/125-lan19:15:142
3197991414,0cyclictest60250irq/125-lan22:40:362
3197991414,0cyclictest60250irq/125-lan22:09:082
3197991414,0cyclictest60250irq/125-lan19:50:212
3197991414,0cyclictest60250irq/125-lan19:26:242
3197991413,1cyclictest60250irq/125-lan23:25:182
3197991413,1cyclictest60250irq/125-lan23:25:172
3197991413,1cyclictest60250irq/125-lan22:45:212
3197991413,1cyclictest60250irq/125-lan21:10:002
3197991413,1cyclictest60250irq/125-lan00:31:162
3186991414,0cyclictest329-21hwrng23:42:040
3186991414,0cyclictest329-21hwrng21:50:280
3197991313,0cyclictest60250irq/125-lan20:55:162
3197991312,1cyclictest60250irq/125-lan22:22:092
3197991312,1cyclictest60250irq/125-lan20:35:182
3197991312,1cyclictest60250irq/125-lan19:40:202
3197991312,1cyclictest60250irq/125-lan19:10:182
3193991313,0cyclictest329-21hwrng23:33:531
3186991313,0cyclictest329-21hwrng23:53:200
3197991212,0cyclictest60250irq/125-lan23:37:112
3197991212,0cyclictest60250irq/125-lan22:51:472
3197991212,0cyclictest60250irq/125-lan20:05:122
3197991211,1cyclictest60250irq/125-lan21:40:182
3197991211,1cyclictest60250irq/125-lan20:10:142
3193991212,0cyclictest329-21hwrng22:46:461
3197991111,0cyclictest60250irq/125-lan21:32:282
3197991111,0cyclictest60250irq/125-lan19:35:172
3197991110,1cyclictest60250irq/125-lan23:02:402
3197991110,1cyclictest60250irq/125-lan21:20:142
3193991111,0cyclictest329-21hwrng21:52:311
3186991111,0cyclictest329-21hwrng22:19:070
319799109,1cyclictest60250irq/125-lan21:05:222
3197991010,0cyclictest60250irq/125-lan21:25:152
3193991010,0cyclictest329-21hwrng22:18:071
318699108,2cyclictest702-21snmpd22:57:070
318699106,3cyclictest702-21snmpd21:14:510
3186991010,0cyclictest329-21hwrng21:40:120
3186991010,0cyclictest329-21hwrng21:07:270
318699100,6cyclictest0-21swapper/019:50:140
318699100,5cyclictest30969-21ld21:35:210
318699100,5cyclictest16483-21expr19:40:190
31979998,1cyclictest60250irq/125-lan21:47:412
31979998,1cyclictest60250irq/125-lan00:18:012
31979998,1cyclictest60250irq/125-lan00:18:002
31939999,0cyclictest329-21hwrng23:40:011
31939999,0cyclictest329-21hwrng20:39:471
31939998,1cyclictest702-21snmpd21:06:431
31939998,1cyclictest702-21snmpd19:10:111
31939993,3cyclictest2078-21perl20:25:161
31869997,2cyclictest702-21snmpd22:48:450
31869997,2cyclictest702-21snmpd22:08:210
31869997,2cyclictest702-21snmpd19:47:130
31869997,2cyclictest702-21snmpd00:27:520
31869996,3cyclictest702-21snmpd23:13:550
31869990,5cyclictest10689-21timerwakeupswit19:25:220
32029988,0cyclictest702-21snmpd21:13:423
32029988,0cyclictest702-21snmpd20:01:263
32029988,0cyclictest702-21snmpd19:18:173
32029988,0cyclictest329-21hwrng23:19:333
32029988,0cyclictest329-21hwrng22:55:593
32029988,0cyclictest329-21hwrng22:48:503
32029988,0cyclictest329-21hwrng22:31:253
32029988,0cyclictest329-21hwrng21:34:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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