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2025-12-05 - 13:30
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack8slot7.osadl.org (updated Fri Dec 05, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15904991918,1cyclictest60250irq/125-lan22:25:212
15904991918,1cyclictest60250irq/125-lan21:30:492
15904991818,0cyclictest60250irq/125-lan20:35:212
15904991817,1cyclictest60250irq/125-lan22:05:192
15904991817,1cyclictest60250irq/125-lan00:35:162
15904991817,1cyclictest60250irq/125-lan00:15:192
15904991817,1cyclictest60250irq/125-lan00:10:232
15904991817,1cyclictest60250irq/125-lan00:00:142
15904991717,0cyclictest60250irq/125-lan23:30:152
15904991717,0cyclictest60250irq/125-lan21:48:272
15904991717,0cyclictest60250irq/125-lan21:24:282
15904991716,1cyclictest60250irq/125-lan22:55:172
15904991716,1cyclictest60250irq/125-lan22:50:222
15904991716,1cyclictest60250irq/125-lan21:35:192
15904991716,1cyclictest60250irq/125-lan21:15:132
15904991716,1cyclictest60250irq/125-lan20:55:132
15904991716,1cyclictest60250irq/125-lan20:15:152
15904991716,1cyclictest60250irq/125-lan19:16:252
15904991616,0cyclictest60250irq/125-lan21:51:272
15904991616,0cyclictest60250irq/125-lan20:40:182
15904991616,0cyclictest60250irq/125-lan19:50:262
15904991615,1cyclictest60250irq/125-lan21:40:002
15904991615,1cyclictest60250irq/125-lan21:00:592
15904991615,1cyclictest60250irq/125-lan20:25:132
15904991615,1cyclictest60250irq/125-lan19:35:142
15904991615,1cyclictest60250irq/125-lan19:20:192
15904991615,1cyclictest60250irq/125-lan00:30:162
15904991615,1cyclictest60250irq/125-lan00:20:132
15904991615,1cyclictest60250irq/125-lan00:05:132
15904991515,0cyclictest60250irq/125-lan23:50:182
15904991515,0cyclictest60250irq/125-lan21:07:302
15904991515,0cyclictest60250irq/125-lan20:20:162
15904991514,1cyclictest60250irq/125-lan23:25:142
15904991514,1cyclictest60250irq/125-lan23:15:192
15904991514,1cyclictest60250irq/125-lan23:00:172
15904991514,1cyclictest60250irq/125-lan22:45:132
15904991514,1cyclictest60250irq/125-lan22:40:182
15904991514,1cyclictest60250irq/125-lan22:12:272
15904991514,1cyclictest60250irq/125-lan19:25:162
15904991414,0cyclictest60250irq/125-lan23:44:292
15904991414,0cyclictest60250irq/125-lan23:20:142
15904991414,0cyclictest60250irq/125-lan20:50:192
15904991413,1cyclictest60250irq/125-lan23:05:232
15904991413,1cyclictest60250irq/125-lan20:05:152
15904991413,1cyclictest60250irq/125-lan19:55:162
15904991413,1cyclictest60250irq/125-lan19:30:122
15904991413,1cyclictest60250irq/125-lan19:10:172
15900991412,2cyclictest702-21snmpd22:58:411
15904991313,0cyclictest60250irq/125-lan21:55:262
15904991313,0cyclictest60250irq/125-lan19:45:232
15904991312,1cyclictest60250irq/125-lan22:15:072
15904991312,1cyclictest60250irq/125-lan20:30:272
15904991312,1cyclictest60250irq/125-lan00:25:192
15904991212,0cyclictest60250irq/125-lan22:36:572
15904991212,0cyclictest60250irq/125-lan20:00:152
15904991212,0cyclictest329-21hwrng23:58:402
15904991211,1cyclictest60250irq/125-lan23:40:012
15904991211,1cyclictest60250irq/125-lan22:30:272
15904991211,1cyclictest60250irq/125-lan22:00:152
15904991211,1cyclictest60250irq/125-lan19:40:472
15904991110,1cyclictest60250irq/125-lan23:45:142
15904991110,1cyclictest60250irq/125-lan21:10:132
15904991110,1cyclictest60250irq/125-lan20:10:232
1590499109,1cyclictest60250irq/125-lan23:10:272
1590499109,1cyclictest60250irq/125-lan21:25:162
15900991010,0cyclictest329-21hwrng22:24:271
15900991010,0cyclictest329-21hwrng19:37:321
15900991010,0cyclictest329-21hwrng00:14:011
159049998,1cyclictest60250irq/125-lan22:20:192
159009999,0cyclictest329-21hwrng22:03:581
159009999,0cyclictest329-21hwrng21:52:431
159009999,0cyclictest329-21hwrng20:49:131
159009999,0cyclictest329-21hwrng19:49:501
159009999,0cyclictest329-21hwrng00:07:521
159079988,0cyclictest702-21snmpd23:15:323
159079988,0cyclictest702-21snmpd20:07:303
159079988,0cyclictest329-21hwrng23:36:083
159079988,0cyclictest329-21hwrng21:32:143
159079988,0cyclictest329-21hwrng19:25:153
159079988,0cyclictest329-21hwrng19:11:563
159079988,0cyclictest329-21hwrng00:28:223
159079987,1cyclictest702-21snmpd22:07:003
159079987,1cyclictest702-21snmpd19:55:093
159049987,1cyclictest702-21snmpd20:46:382
159009988,0cyclictest702-21snmpd23:40:491
159009988,0cyclictest702-21snmpd20:12:301
159009988,0cyclictest329-21hwrng23:01:181
159009988,0cyclictest329-21hwrng22:40:511
159009988,0cyclictest329-21hwrng21:58:511
159009988,0cyclictest329-21hwrng21:40:251
159009988,0cyclictest329-21hwrng21:27:061
159009988,0cyclictest329-21hwrng21:19:561
159009988,0cyclictest329-21hwrng20:18:301
159009986,2cyclictest702-21snmpd21:38:411
158979988,0cyclictest702-21snmpd23:11:180
158979988,0cyclictest702-21snmpd23:07:440
158979988,0cyclictest702-21snmpd23:00:550
158979988,0cyclictest702-21snmpd21:56:510
158979988,0cyclictest702-21snmpd21:28:460
158979988,0cyclictest702-21snmpd20:21:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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