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2023-12-05 - 16:46
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Tue Dec 05, 2023 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501980,0irq/46-4a10000031088-21runrttasks07:01:270
1379529818,0sleep013844-21df_abs09:19:290
7450950,0irq/46-4a10000022374-21grep08:09:410
31433999360,0cyclictest0-21swapper07:50:050
31433999359,0cyclictest0-21swapper07:05:070
7450920,0irq/46-4a10000030530-21sh10:08:550
7450920,0irq/46-4a10000025660-21dpkg11:29:140
7450920,0irq/46-4a1000001654-21wget08:44:230
7450920,0irq/46-4a1000001627-21latency_hist11:54:000
7450920,0irq/46-4a10000011802-21awk10:48:560
7450920,0irq/46-4a10000011698-21sendmail-msp09:13:570
300542929,0sleep030099-21ls11:40:080
7450910,0irq/46-4a1000005456-21cut10:29:370
7450910,0irq/46-4a1000004504-21timerwakeupswit12:00:060
7450910,0irq/46-4a10000032086-21seq08:38:410
7450910,0irq/46-4a10000031154-21fw_forwarded_lo10:09:430
7450910,0irq/46-4a10000029113-21df08:29:470
7450910,0irq/46-4a10000018481-21sed07:58:590
7450910,0irq/46-4a10000016065-21runrttasks10:59:570
7450910,0irq/46-4a10000012323-21fschecks_count10:49:330
7350910,0irq/45-4a10000014971-21debian-sa107:48:560
7450900,0irq/46-4a1000009109-21perl12:14:350
7450900,0irq/46-4a1000009109-21mailstats07:30:030
7450900,0irq/46-4a1000008222-1kworker/u3:209:05:580
7450900,0irq/46-4a100000533-21/usr/sbin/munin10:14:480
7450900,0irq/46-4a1000004844-21sshd07:19:120
7450900,0irq/46-4a1000003567-21runrttasks08:49:330
7450900,0irq/46-4a10000031847-21sed11:45:080
7450900,0irq/46-4a10000024350-21snmpd12:24:170
7450900,0irq/46-4a10000022741-21if_err_eth011:19:440
7450900,0irq/46-4a1000002089-21fschecks_time10:19:360
7450900,0irq/46-4a10000020589-21cstates09:39:230
7450900,0irq/46-4a10000018795-21/usr/sbin/munin11:10:030
7450900,0irq/46-4a10000017668-21/usr/sbin/munin09:29:570
7450900,0irq/46-4a10000010693-21diskstats12:19:340
7350900,0irq/45-4a10000028744-21copy08:29:010
31433999058,0cyclictest0-21swapper07:35:090
31433999058,0cyclictest0-21swapper07:09:420
31433999057,0cyclictest0-21swapper08:39:330
31433999056,0cyclictest0-21swapper12:29:350
7450890,0irq/46-4a1000009193-21nfs_client10:40:000
7450890,0irq/46-4a1000007430-21seq10:35:330
7450890,0irq/46-4a1000006789-21df07:24:320
7450890,0irq/46-4a1000005787-21rt-features08:54:590
7450890,0irq/46-4a1000004217-21seq07:15:090
7450890,0irq/46-4a10000025997-21/usr/sbin/munin08:19:470
7450890,0irq/46-4a10000025414-21sendmail09:53:570
7450890,0irq/46-4a10000025241-21seq11:26:500
7450890,0irq/46-4a10000022795-21ntp_kernel_pll_09:44:560
7450890,0irq/46-4a1000002201-21fschecks_time11:54:350
7450890,0irq/46-4a10000020588-21diskstats08:04:320
7450890,0irq/46-4a10000017342-21sed11:04:240
7450890,0irq/46-4a10000016823-21munin-run09:28:560
7450890,0irq/46-4a10000014288-21/usr/sbin/munin10:54:520
7450890,0irq/46-4a10000012094-21df_abs09:14:270
7450890,0irq/46-4a10000012031-21/usr/sbin/munin07:39:340
687728913,0sleep06896-21df08:59:240
31433998956,0cyclictest0-21swapper12:04:530
7450880,0irq/46-4a1000003324-21latency_hist10:23:590
7450880,0irq/46-4a10000028033-21proc_pri10:00:090
7450880,0irq/46-4a10000027605-21runrttasks11:34:260
7450880,0irq/46-4a10000021502-21timerandwakeup11:15:060
7450880,0irq/46-4a10000020081-21runrttasks09:37:380
7450880,0irq/46-4a10000019121-21sed07:59:510
7450870,0irq/46-4a1000006873-21ls12:09:000
7450870,0irq/46-4a10000026717-21seq09:55:460
7450870,0irq/46-4a10000023705-21/usr/sbin/munin08:14:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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