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2023-06-03 - 23:32

ARM TI AM3354 @800 MHz, Linux 5.10.47-rt46 (Profile)

Latency plot of system in rack #4, slot #2
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l50000000 -m -n -a0 -t1 -p99 -i400 -h400 -q
Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack4slot2.osadl.org (updated Sat Jun 03, 2023 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502470,0irq/46-4a1000001219-1kworker/u3:006:59:000
19989913657,0cyclictest0-21swapper07:38:240
19989913456,0cyclictest0-21swapper09:38:150
19989913253,0cyclictest0-21swapper11:48:390
1998999359,0cyclictest0-21swapper10:24:010
1998999353,0cyclictest0-21swapper11:38:510
1998999152,0cyclictest0-21swapper10:08:570
1998999057,0cyclictest0-21swapper12:13:230
1998999057,0cyclictest0-21swapper12:08:440
1998999057,0cyclictest0-21swapper09:53:180
1998999057,0cyclictest0-21swapper08:48:520
1998999056,0cyclictest0-21swapper07:24:060
1998999055,0cyclictest0-21swapper10:28:250
1998998957,0cyclictest0-21swapper11:08:580
1998998956,0cyclictest0-21swapper08:03:230
1998998955,0cyclictest0-21swapper11:43:500
1998998955,0cyclictest0-21swapper07:58:450
1998998955,0cyclictest0-21swapper07:18:350
1998998858,0cyclictest0-21swapper08:28:510
1998998857,0cyclictest0-21swapper08:24:390
1998998857,0cyclictest0-21swapper08:08:380
1998998856,0cyclictest0-21swapper09:03:090
1998998856,0cyclictest0-21swapper08:53:520
1998998855,0cyclictest0-21swapper11:33:460
1998998854,0cyclictest0-21swapper07:48:340
1998998854,0cyclictest0-21swapper07:13:510
1998998766,0cyclictest0-21swapper07:53:110
1998998757,0cyclictest0-21swapper10:54:020
1998998755,0cyclictest0-21swapper09:14:020
1998998754,0cyclictest0-21swapper10:38:270
1998998754,0cyclictest0-21swapper09:19:040
1998998754,0cyclictest0-21swapper09:08:450
1998998753,0cyclictest0-21swapper11:04:030
7350860,0irq/45-4a10000026631-1kworker/u3:211:22:550
1998998664,0cyclictest0-21swapper09:49:000
1998998656,0cyclictest0-21swapper11:28:370
1998998655,0cyclictest0-21swapper10:03:550
1998998653,0cyclictest0-21swapper08:43:510
7450850,0irq/46-4a10000017493-21meminfo12:28:460
1998998563,0cyclictest0-21swapper10:14:150
1998998562,0cyclictest0-21swapper11:13:230
1998998554,0cyclictest0-21swapper10:44:050
1998998453,0cyclictest0-21swapper12:19:090
1998998452,0cyclictest0-21swapper10:18:440
1998998452,0cyclictest0-21swapper08:18:230
1998998452,0cyclictest0-21swapper07:33:530
1998998451,0cyclictest0-21swapper12:24:250
1998998451,0cyclictest0-21swapper08:13:170
83062836,0sleep08297-21apt-get12:03:120
1998998351,0cyclictest0-21swapper08:59:550
1998998351,0cyclictest0-21swapper07:08:280
1998998349,0cyclictest0-21swapper09:33:310
1998998252,0cyclictest0-21swapper07:03:360
1998998250,0cyclictest0-21swapper10:58:360
1998998250,0cyclictest0-21swapper10:33:340
1998998249,0cyclictest0-21swapper08:33:420
7450810,0irq/46-4a10000018319-21runrttasks09:23:160
7350810,0irq/45-4a10000030051-1kworker/u3:009:58:120
1998998161,0cyclictest0-21swapper11:53:150
1998998159,0cyclictest0-21swapper11:18:360
1998998159,0cyclictest0-21swapper07:43:110
1998998150,0cyclictest0-21swapper11:59:010
7350800,0irq/45-4a1000003370-21seq08:38:370
1998998052,0cyclictest0-21swapper07:28:220
1998998048,0cyclictest0-21swapper09:43:560
1998997948,0cyclictest0-21swapper10:48:490
7450770,0irq/46-4a10000020740-21ntpq09:28:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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