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2024-06-17 - 18:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 the 376 highest latencies:
System rack4slot2.osadl.org (updated Mon Jun 17, 2024 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502510,0irq/46-4a1000004535-1kworker/u3:207:08:180
7350970,0irq/45-4a1000009023-21fschecks_time07:20:400
78922940,0sleep06384-1kworker/u3:108:50:590
7350930,0irq/45-4a10000027810-1kworker/u3:111:29:020
5387999271,0cyclictest0-21swapper12:05:480
5387999270,0cyclictest0-21swapper11:50:150
5387999259,0cyclictest0-21swapper12:30:480
5387999259,0cyclictest0-21swapper07:26:080
5387999257,0cyclictest0-21swapper11:15:260
7350910,0irq/45-4a10000013350-21seq10:41:320
5387999159,0cyclictest0-21swapper08:30:500
5387999159,0cyclictest0-21swapper08:25:530
5387999159,0cyclictest0-21swapper07:35:150
5387999158,0cyclictest0-21swapper11:45:320
5387999158,0cyclictest0-21swapper10:30:540
7450900,0irq/46-4a1000004653-21grep10:16:050
7450900,0irq/46-4a10000032749-1kworker/u3:010:05:420
7450900,0irq/46-4a10000025858-1kworker/u3:108:11:140
7450900,0irq/46-4a10000022621-21/usr/sbin/munin08:00:270
7450900,0irq/46-4a10000013821-1kworker/u3:107:44:150
5387999059,0cyclictest0-21swapper08:05:280
5387999056,0cyclictest0-21swapper10:36:050
7450890,0irq/46-4a1000004651-21grep08:41:220
7350890,0irq/45-4a10000012440-21diskstats09:05:210
5387998957,0cyclictest0-21swapper08:45:290
5387998954,0cyclictest0-21swapper10:10:470
7450880,0irq/46-4a10000026837-21ls09:46:050
7450880,0irq/46-4a10000023986-21sendmail-msp09:42:350
7450880,0irq/46-4a10000017144-21sendmail-msp09:20:010
7450880,0irq/46-4a10000016654-21aten_r4power_en12:25:090
7450880,0irq/46-4a10000016246-21ntp_offset09:15:510
7450880,0irq/46-4a10000015326-1kworker/u3:310:51:200
7450880,0irq/46-4a1000001464-21fschecks_count11:40:240
7450880,0irq/46-4a10000010284-21sendmail-msp08:59:520
5387998867,0cyclictest0-21swapper12:21:240
5387998856,0cyclictest0-21swapper11:55:530
5387998856,0cyclictest0-21swapper09:50:530
5387998854,0cyclictest0-21swapper12:00:210
5387998854,0cyclictest0-21swapper09:30:410
5387998854,0cyclictest0-21swapper07:46:320
7450870,0irq/46-4a1000007933-1kworker/u3:207:16:570
7450870,0irq/46-4a10000032184-21seq11:35:220
7450870,0irq/46-4a10000029033-21sendmail-msp08:20:530
7450870,0irq/46-4a10000022781-21bash11:09:470
7450870,0irq/46-4a10000019346-21df_abs09:26:080
7450870,0irq/46-4a10000019206-21ls10:59:550
7450870,0irq/46-4a10000016586-21bash10:55:060
7450870,0irq/46-4a10000014650-21ntp_states10:45:560
7450870,0irq/46-4a10000014222-21grep12:16:010
7450870,0irq/46-4a10000014104-21cstates09:10:460
7450870,0irq/46-4a10000011971-21chrt07:30:030
7350870,0irq/45-4a1000005994-21meminfo10:20:510
5387998756,0cyclictest0-21swapper08:35:180
5387998755,0cyclictest0-21swapper11:20:370
5387998755,0cyclictest0-21swapper07:55:350
5387998754,0cyclictest0-21swapper07:51:070
5387998753,0cyclictest0-21swapper09:35:410
323552870,0chrt28695-1kworker/u3:210:03:350
301892875,0sleep030212-21aten_r4power_vo11:30:100
7450860,0irq/46-4a1000005814-21seq07:10:210
7450860,0irq/46-4a10000029181-21sed09:54:530
7450860,0irq/46-4a10000021603-21apt12:39:500
7450860,0irq/46-4a10000012697-21chrt12:12:120
7450860,0irq/46-4a10000010344-21/usr/sbin/munin09:00:370
5387998654,0cyclictest0-21swapper10:26:210
7450850,0irq/46-4a10000027791-21grep08:15:320
7450850,0irq/46-4a10000023123-21cstates11:10:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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