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2023-06-09 - 09:47

ARM Broadcom BCM2711 @1500 MHz, Linux 5.10.52-rt47-v7l (Profile)

Latency plot of system in rack #4, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 50 highest latencies:
System rack4slot1.osadl.org (updated Fri Jun 09, 2023 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
774521410,3chrt0-21swapper/322:53:293
2910221310,2sleep30-21swapper/322:40:313
521921200,9sleep012-21ksoftirqd/019:20:110
521921200,9sleep012-21ksoftirqd/019:20:110
33452930,3sleep00-21swapper/020:40:280
33452930,3sleep00-21swapper/020:40:280
129062750,12sleep333-21ksoftirqd/300:13:393
129062750,12sleep333-21ksoftirqd/300:13:393
257182690,2sleep10-21swapper/100:29:161
158142660,3sleep30-21swapper/321:49:033
158142660,3sleep30-21swapper/321:49:033
300502650,2sleep130252-21gltestperf23:55:251
300502650,2sleep130252-21gltestperf23:55:251
293672650,3sleep00-21swapper/021:27:010
293672650,3sleep00-21swapper/021:27:010
181982650,3sleep10-21swapper/121:50:421
1511996339,12cyclictest0-21swapper/200:25:242
127452610,2sleep00-21swapper/023:35:260
127452610,2sleep00-21swapper/023:35:260
209072580,2sleep10-21swapper/120:00:271
209072580,2sleep10-21swapper/120:00:271
151199578,7cyclictest131rcu_preempt22:55:212
1509995721,24cyclictest45650irq/55-eth023:25:210
1509995721,24cyclictest45650irq/55-eth023:25:210
293262560,3chrt0-21swapper/000:33:250
293262560,3chrt0-21swapper/000:33:250
125482560,3chrt0-21swapper/321:05:303
125482560,3chrt0-21swapper/321:05:303
150999541,20cyclictest9942-21rm00:10:170
150999541,20cyclictest9942-21rm00:10:170
216142530,3sleep30-21swapper/321:18:493
216142530,3sleep30-21swapper/321:18:493
210362520,3chrt0-21swapper/320:00:293
210362520,3chrt0-21swapper/320:00:293
151199525,34cyclictest6531-21ssh22:15:232
151199525,34cyclictest6531-21ssh22:15:232
254892500,4sleep225487-21ssh23:50:232
181982500,4sleep10-21swapper/123:05:251
181982500,4sleep10-21swapper/123:05:251
181982500,4sleep10-21swapper/123:05:251
180002500,3chrt0-21swapper/122:27:551
180002500,3chrt0-21swapper/122:27:551
180002500,3chrt0-21swapper/122:27:551
151099503,40cyclictest22553-21ssh23:10:251
151099503,40cyclictest22553-21ssh23:10:251
7352490,4sleep10-21swapper/120:35:111
43352490,2sleep24531-21grep19:15:362
309762490,2sleep031034-21ssh23:20:040
309762490,2sleep031034-21ssh23:20:040
151199492,33cyclictest12285-21ssh23:35:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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