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2025-06-23 - 20:27
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack2slot7.osadl.org (updated Mon Jun 23, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136688299742,44cyclictest1545973-21ntpq12:11:490
136688299670,40cyclictest1453405-21ntpq10:11:510
1366882994432,6cyclictest1006-21mta-sts-daemon10:46:230
136688299443,25cyclictest1564012-21/usr/sbin/munin12:36:450
136688299421,7cyclictest1483403-21ssh10:51:430
136688399403,1cyclictest1407044-21diskmemload09:19:031
1366882993720,3cyclictest1460697-21gltestperf10:21:480
1366882993718,4cyclictest1567894-21fschecks_time12:41:440
136688299370,8cyclictest1502726-21/usr/sbin/munin11:16:490
136688299366,4cyclictest1006-21mta-sts-daemon08:26:490
136688399359,7cyclictest171rcu_preempt11:23:511
136688399357,19cyclictest1407044-21diskmemload09:36:541
136688299351,1cyclictest1506195-21ssh11:21:410
136688299341,32cyclictest1465047-21ssh10:26:490
136688299341,32cyclictest1465047-21ssh10:26:490
1366884993320,9cyclictest0-21swapper/210:11:512
1366884993318,12cyclictest1372963-21ld07:31:492
136688299332,29cyclictest0-21swapper/010:04:000
136688299322,3cyclictest1531126-21grep11:51:550
136688299302,27cyclictest1403809-1kworker/0:1H+mmc_complete11:23:520
1366882993018,3cyclictest1542197-21ps12:06:500
1366884992819,6cyclictest1444969-21fschecks_time10:01:452
1366884992819,6cyclictest1444969-21fschecks_time10:01:452
136688299285,18cyclictest1005-21mta-sts-daemon11:03:080
136688299281,20cyclictest1548901-21find12:16:400
1366882992811,0cyclictest0-21swapper/012:31:490
136688299271,4cyclictest1515022-21ntp_kernel_pll_11:31:510
136688499262,20cyclictest1425291-21ntpq09:36:542
136688299262,9cyclictest0-21swapper/010:01:540
136688299262,9cyclictest0-21swapper/010:01:540
136688499254,15cyclictest1374020-21cut07:36:432
136688499250,8cyclictest1522144-21tune2fs11:41:422
136688299252,20cyclictest0-21swapper/009:24:260
136688299252,14cyclictest0-21swapper/009:56:500
136688299250,18cyclictest11050irq/107-eth%d07:13:460
1366884992418,4cyclictest0-21swapper/212:11:492
1366884992414,8cyclictest1502765-21fschecks_count11:16:502
1366883992417,5cyclictest1502864-21gltestperf11:16:501
1366882992418,2cyclictest0-21swapper/009:45:220
1366882992412,9cyclictest1518029-21aten_r2power_po11:36:420
136688299240,2cyclictest1476468-21ntpq10:41:490
136688299240,23cyclictest1557458-21ntp_states12:26:530
136688299240,18cyclictest1534249-21ssh11:56:470
136688299240,17cyclictest1470334-21latency_hist10:33:450
136688499233,15cyclictest122792-21ntpd11:03:402
136688499231,7cyclictest0-21swapper/209:41:552
1366884992316,6cyclictest1518260-21fschecks_time11:36:442
136688399232,17cyclictest1437844-21sed09:51:571
136688499224,16cyclictest122792-21ntpd09:18:482
136688499221,15cyclictest1537621-21aten_r2power_po12:01:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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