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2023-06-05 - 12:46

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 100 highest latencies:
System rack4slot1.osadl.org (updated Mon Jun 05, 2023 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
805721420,2sleep30-21swapper/319:15:043
805721420,2sleep30-21swapper/319:15:043
2378621350,3sleep30-21swapper/321:15:323
2378621350,3sleep30-21swapper/321:15:323
143092980,1sleep10-21swapper/100:15:421
143092980,1sleep10-21swapper/100:15:421
173832860,1sleep10-21swapper/123:40:501
173832860,1sleep10-21swapper/123:40:501
101922860,3sleep10-21swapper/123:32:581
101922860,3sleep10-21swapper/123:32:581
101922860,3sleep10-21swapper/123:32:581
92032800,3sleep10-21swapper/121:35:391
92032800,3sleep10-21swapper/121:35:391
179112760,3sleep10-21swapper/121:47:001
287212680,2sleep16420-21cyclictest23:16:021
287212680,2sleep16420-21cyclictest23:16:021
222622670,5sleep012-21ksoftirqd/023:09:420
222622670,5sleep012-21ksoftirqd/023:09:420
283162650,2chrt0-21swapper/121:20:361
283162650,2chrt0-21swapper/121:20:361
312132640,2sleep30-21swapper/320:15:323
312132640,2sleep30-21swapper/320:15:323
642299631,49cyclictest13809-21store19:30:281
75382600,2sleep00-21swapper/022:51:190
75382600,2sleep00-21swapper/022:51:190
285442600,3sleep00-21swapper/022:39:160
285442600,3sleep00-21swapper/022:39:160
258512600,3sleep00-21swapper/021:18:020
258512600,3sleep00-21swapper/021:18:020
148652580,3chrt0-21swapper/121:00:191
148652580,3chrt0-21swapper/121:00:191
312322540,2chrt0-21swapper/000:36:150
312322540,2chrt0-21swapper/000:36:150
232852540,3chrt0-21swapper/322:32:323
232852540,3chrt0-21swapper/322:32:323
27452520,2sleep12756-21ssh21:29:011
27452520,2sleep12756-21ssh21:29:011
642399513,36cyclictest27199-21ssh23:15:262
642399513,36cyclictest27199-21ssh23:15:262
78862500,2sleep2131rcu_preempt22:15:072
78862500,2sleep2131rcu_preempt22:15:072
642299492,39cyclictest18676-21ssh21:10:211
642299492,39cyclictest18676-21ssh21:10:211
20622490,2sleep12221-21grep20:25:241
20622490,2sleep12221-21grep20:25:241
642499480,43cyclictest19498-21chrt19:45:263
245162480,3sleep10-21swapper/121:15:501
245162480,3sleep10-21swapper/121:15:501
642399474,5cyclictest131rcu_preempt23:10:252
642399474,5cyclictest131rcu_preempt23:10:252
642399473,34cyclictest18304-21diskmemload23:40:212
642399473,34cyclictest18304-21diskmemload23:40:212
94892460,3sleep30-21swapper/319:15:373
6421994625,15cyclictest39950irq/55-eth000:20:220
6421994625,15cyclictest39950irq/55-eth000:20:220
642399442,30cyclictest14385-21ssh23:00:232
6422994427,10cyclictest21-21ksoftirqd/119:35:221
6422994427,10cyclictest21-21ksoftirqd/119:35:221
315392440,2sleep231614-21fschecks_count23:20:262
315392440,2sleep231614-21fschecks_count23:20:262
238452440,3sleep30-21swapper/321:55:103
238452440,3sleep30-21swapper/321:55:103
6423994328,8cyclictest27-21ksoftirqd/221:25:252
6423994328,8cyclictest27-21ksoftirqd/221:25:252
642399432,33cyclictest13245-21ssh00:15:272
642399432,33cyclictest13245-21ssh00:15:272
642399431,33cyclictest29597-21ssh00:35:242
642399431,33cyclictest29597-21ssh00:35:242
642299431,33cyclictest18304-21diskmemload00:30:251
642299431,33cyclictest18304-21diskmemload00:30:251
30632430,2sleep00-21swapper/022:09:060
28652430,4sleep012-21ksoftirqd/022:45:550
28652430,4sleep012-21ksoftirqd/022:45:550
175352430,2sleep20-21swapper/219:40:112
175352430,2sleep20-21swapper/219:40:112
6423994219,19cyclictest27-21ksoftirqd/200:25:242
6423994219,19cyclictest27-21ksoftirqd/200:25:242
642399421,35cyclictest9144-21ssh00:10:272
236062420,2sleep30-21swapper/319:55:273
236062420,2sleep30-21swapper/319:55:273
141802400,3sleep30-21swapper/319:30:333
642399392,6cyclictest131rcu_preempt00:00:242
642399392,6cyclictest131rcu_preempt00:00:242
293952390,2sleep00-21swapper/022:40:210
293952390,2sleep00-21swapper/022:40:210
279592390,2chrt0-21swapper/023:15:370
279592390,2chrt0-21swapper/023:15:370
216932390,3sleep10-21swapper/122:30:371
216932390,3sleep10-21swapper/122:30:371
168762390,2sleep00-21swapper/021:05:240
147732390,2sleep00-21swapper/000:16:050
147732390,2sleep00-21swapper/000:16:050
80142380,1sleep07784-21apt-get22:15:100
80142380,1sleep07784-21apt-get22:15:100
642399382,4cyclictest131rcu_preempt22:25:232
642399381,29cyclictest11735-21apt-get23:35:212
642399381,29cyclictest11735-21apt-get23:35:212
642199385,21cyclictest39950irq/55-eth000:30:250
642199385,21cyclictest39950irq/55-eth000:30:250
303092380,3chrt0-21swapper/122:40:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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