You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-28 - 17:40
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 100 highest latencies:
System rack4slot4.osadl.org (updated Fri Nov 28, 2025 12:54:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71710rcu_preempt0-21swapper/112:20:421
71710rcu_preempt0-21swapper/112:20:421
71670rcu_preempt0-21swapper/010:55:450
71670rcu_preempt0-21swapper/010:55:450
71600rcu_preempt0-21swapper/310:48:533
71600rcu_preempt0-21swapper/310:48:533
71520rcu_preempt0-21swapper/009:17:590
71520rcu_preempt0-21swapper/009:17:590
71500rcu_preempt29901-21latency_hist10:32:461
71500rcu_preempt29901-21latency_hist10:32:461
71500rcu_preempt0-21swapper/010:48:110
71500rcu_preempt0-21swapper/010:48:110
71480rcu_preempt0-21swapper/110:55:431
71480rcu_preempt0-21swapper/110:55:431
244899482cyclictest10624-21apt-get13:07:531
244899482cyclictest10624-21apt-get13:07:531
244899481cyclictest27888-21/usr/sbin/munin11:33:141
244899481cyclictest27888-21/usr/sbin/munin11:33:141
71470rcu_preempt18903-21ssh11:13:351
71470rcu_preempt18903-21ssh11:13:351
71470rcu_preempt18903-21ssh11:13:351
71460rcu_preempt0-21swapper/311:11:453
71460rcu_preempt0-21swapper/311:11:453
71460rcu_preempt0-21swapper/012:28:290
71460rcu_preempt0-21swapper/012:28:290
71460rcu_preempt0-21swapper/012:28:290
71450rcu_preempt8148-21kworker/u8:212:57:481
71450rcu_preempt1128-1kworker/1:1H10:48:101
71450rcu_preempt1128-1kworker/1:1H10:48:101
71450rcu_preempt0-21swapper/309:40:493
71450rcu_preempt0-21swapper/309:40:493
71450rcu_preempt0-21swapper/112:07:431
71450rcu_preempt0-21swapper/112:07:431
71450rcu_preempt0-21swapper/110:05:041
71450rcu_preempt0-21swapper/110:05:041
71450rcu_preempt0-21swapper/110:05:041
71440rcu_preempt29133-21apt-get09:18:003
71440rcu_preempt29133-21apt-get09:18:003
71440rcu_preempt0-21swapper/311:43:023
71440rcu_preempt0-21swapper/311:43:023
71440rcu_preempt0-21swapper/311:07:093
71440rcu_preempt0-21swapper/311:07:093
71440rcu_preempt0-21swapper/010:08:100
71440rcu_preempt0-21swapper/010:08:100
71440rcu_preempt0-21swapper/010:08:100
244899444cyclictest0-21swapper/112:33:061
244899444cyclictest0-21swapper/112:33:061
71430rcu_preempt15248-21apt-get08:28:022
71430rcu_preempt15248-21apt-get08:28:022
71430rcu_preempt0-21swapper/109:46:571
71430rcu_preempt0-21swapper/109:46:571
71430rcu_preempt0-21swapper/108:22:401
71430rcu_preempt0-21swapper/108:22:401
71430rcu_preempt0-21swapper/010:21:140
71430rcu_preempt0-21swapper/010:21:140
71430rcu_preempt0-21swapper/010:21:140
244899432cyclictest28289-21/usr/sbin/munin09:13:011
244899432cyclictest28289-21/usr/sbin/munin09:13:011
244899431cyclictest12422-21apt-get09:58:091
244899431cyclictest12422-21apt-get09:58:091
2448994316cyclictest477-21aten_r4power_cu12:47:551
2448994316cyclictest477-21aten_r4power_cu12:47:551
244899423cyclictest0-21swapper/112:08:111
244899423cyclictest0-21swapper/112:08:111
244899423cyclictest0-21swapper/110:43:051
244899423cyclictest0-21swapper/110:43:051
244899423cyclictest0-21swapper/110:43:051
244899423cyclictest0-21swapper/108:43:121
244899423cyclictest0-21swapper/108:43:121
244899423cyclictest0-21swapper/108:28:101
244899423cyclictest0-21swapper/108:28:101
244899423cyclictest0-21swapper/107:58:051
244899423cyclictest0-21swapper/107:58:051
244899423cyclictest0-21swapper/107:58:051
244899422cyclictest16277-21users11:08:101
244899422cyclictest16277-21users11:08:101
2448994220cyclictest25477-21ntp_states10:23:091
2448994220cyclictest25477-21ntp_states10:23:091
2448994220cyclictest11134-21latency_hist08:12:461
2448994220cyclictest11134-21latency_hist08:12:461
2448994219cyclictest27977-21diskstats12:37:581
2448994219cyclictest27977-21diskstats12:37:581
71410rcu_preempt0-21swapper/308:12:553
71410rcu_preempt0-21swapper/308:12:553
71410rcu_preempt0-21swapper/010:33:060
71410rcu_preempt0-21swapper/010:33:060
244899414cyclictest0-21swapper/111:03:121
244899414cyclictest0-21swapper/111:03:121
244899414cyclictest0-21swapper/110:58:121
244899414cyclictest0-21swapper/110:58:121
244899413cyclictest0-21swapper/111:53:041
244899413cyclictest0-21swapper/111:53:041
244899413cyclictest0-21swapper/111:53:041
244899412cyclictest7891-21/usr/sbin/munin13:03:001
244899412cyclictest7891-21/usr/sbin/munin13:03:001
244899412cyclictest7891-21/usr/sbin/munin13:03:001
244899412cyclictest27019-21ntp_states09:08:071
244899412cyclictest27019-21ntp_states09:08:071
244899412cyclictest21060-21ssh10:13:441
244899412cyclictest21060-21ssh10:13:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional