You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-12 - 02:19

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #e, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3s.osadl.org (updated Wed Mar 11, 2026 12:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16080259911714,7cyclictest131rcu_preempt11:35:023
1608016998177,2cyclictest0-21swapper/011:45:020
1608025997624,10cyclictest275-21dbus-daemon11:50:013
1608022996730,31cyclictest291rcuc/212:00:022
1608020996721,5cyclictest1688963-21sh11:56:541
160802099663,19cyclictest1656673-21munin-run10:45:021
1608022996512,21cyclictest131rcu_preempt07:40:002
1608020996425,35cyclictest1647675-21sh10:24:491
1608020996422,5cyclictest1618399-21sh09:19:211
1608020996322,37cyclictest23-21ksoftirqd/108:00:031
1608020996228,30cyclictest23-21ksoftirqd/111:38:051
1608016996228,15cyclictest131rcu_preempt11:30:030
1608020996124,32cyclictest23-21ksoftirqd/112:33:011
1608020996118,24cyclictest1660891-21kworker/u8:010:55:031
1608016996114,42cyclictest12-21ksoftirqd/011:05:020
1608016996110,10cyclictest1608502-21modprobe07:20:010
1608020996025,32cyclictest23-21ksoftirqd/111:06:181
1608020996024,31cyclictest1619626-21sh09:21:521
1608020996019,11cyclictest23-21ksoftirqd/112:22:461
1608020996017,6cyclictest23-21ksoftirqd/109:39:361
1608025995938,19cyclictest37-21ksoftirqd/310:15:023
160802099592,20cyclictest1650982-21ssh10:31:511
1608020995921,9cyclictest23-21ksoftirqd/109:28:061
1608020995917,6cyclictest0-21swapper/112:15:281
1608020995913,9cyclictest1661348-21sh10:55:031
1608016995924,32cyclictest1645679-21latency_hist10:20:020
1608022995839,9cyclictest1618664-21cron09:20:002
1608020995824,7cyclictest23-21ksoftirqd/112:02:511
1608020995811,10cyclictest275-21dbus-daemon11:45:011
1608020995725,28cyclictest23-21ksoftirqd/111:46:201
1608020995722,10cyclictest23-21ksoftirqd/111:25:121
1608016995730,22cyclictest12-21ksoftirqd/012:20:010
160802299566,9cyclictest131rcu_preempt09:05:002
160802099563,17cyclictest1643342-21wc10:15:021
1608020995623,9cyclictest23-21ksoftirqd/109:44:241
1608020995618,4cyclictest3467562-21sshd10:27:191
1608020995617,7cyclictest23-21ksoftirqd/111:18:311
1608020995525,27cyclictest23-21ksoftirqd/111:33:561
1608020995523,29cyclictest1645548-21latency_hist10:20:021
1608020995523,28cyclictest1612934-21latency_hist08:45:011
1608020995514,9cyclictest1674371-21sh11:24:381
1608016995545,7cyclictest12-21ksoftirqd/009:37:590
1608016995542,3cyclictest0-21swapper/010:05:020
1608016995533,7cyclictest12-21ksoftirqd/009:26:470
1608016995522,29cyclictest12-21ksoftirqd/012:01:250
160801699551,38cyclictest1624402-21ssh09:32:300
160802099542,19cyclictest1636538-21modprobe10:00:001
160802099542,19cyclictest1636538-21modprobe10:00:001
160802099542,18cyclictest1608517-21cut07:20:001
1608020995420,5cyclictest23-21ksoftirqd/110:04:231
1608020995416,9cyclictest1625515-21wc09:35:011
1608020995416,11cyclictest1-21systemd09:00:011
1608020995416,11cyclictest1-21systemd09:00:011
1608016995439,11cyclictest275-21dbus-daemon09:50:010
1608016995439,11cyclictest275-21dbus-daemon09:50:000
1608016995433,15cyclictest1-21systemd12:25:010
1608016995428,11cyclictest1673682-21ssh11:22:480
1608016995427,12cyclictest1694344-21ssh12:09:070
1608016995427,12cyclictest1694344-21ssh12:09:070
1608016995427,12cyclictest1628374-21ssh09:41:130
1608016995426,12cyclictest1664903-21ssh11:03:180
1608016995425,13cyclictest1667371-21ssh11:08:470
160801699541,38cyclictest1695903-21ssh12:12:230
160801699541,37cyclictest1639158-21ssh10:05:150
1608025995335,13cyclictest3467602-21systemd-journal10:25:013
1608022995345,5cyclictest1652298-21kworker/2:210:37:362
1608022995343,6cyclictest1610334-21kworker/2:110:48:382
160802099533,13cyclictest1613433-21modprobe08:54:591
1608020995320,6cyclictest23-21ksoftirqd/112:35:201
1608020995320,5cyclictest1614230-21diskmemload11:15:021
160802099531,12cyclictest1693696-21ssh12:07:361
160802099531,12cyclictest1693696-21ssh12:07:351
1608016995328,9cyclictest1653440-21ssh10:37:300
1608016995327,11cyclictest1680139-21ssh11:37:160
1608016995326,24cyclictest1707570-21ssh12:38:360
1608016995321,27cyclictest1621122-21wc09:25:040
1608025995235,13cyclictest1-21systemd11:55:013
1608022995244,5cyclictest1663428-21kworker/2:012:38:032
1608022995244,5cyclictest1652298-21kworker/2:212:20:362
1608022995244,5cyclictest1610334-21kworker/2:110:20:572
1608022995244,5cyclictest1610334-21kworker/2:109:46:292
1608022995244,5cyclictest1610334-21kworker/2:109:46:282
1608022995243,5cyclictest1652298-21kworker/2:212:31:532
160802099523,17cyclictest1614253-21unin-run09:10:011
1608020995219,5cyclictest23-21ksoftirqd/107:40:021
1608016995224,13cyclictest1704144-21ssh12:30:460
1608025995138,9cyclictest3467602-21systemd-journal12:35:013
160802299519,6cyclictest131rcu_preempt12:00:422
1608022995144,4cyclictest1610334-21kworker/2:110:25:552
1608022995143,5cyclictest1663428-21kworker/2:012:25:212
1608022995143,5cyclictest1663428-21kworker/2:011:17:102
1608022995143,5cyclictest1652298-21kworker/2:210:53:312
1608022995143,5cyclictest1612180-21kworker/2:309:21:112
1608022995143,5cyclictest1610334-21kworker/2:109:40:482
1608022995142,6cyclictest1652298-21kworker/2:212:05:502
1608022995142,6cyclictest1652298-21kworker/2:212:05:502
1608022995142,6cyclictest1610334-21kworker/2:110:55:412
1608022995142,6cyclictest1610334-21kworker/2:109:39:222
1608022995141,7cyclictest1612180-21kworker/2:309:27:342
1608022995140,7cyclictest30-21ksoftirqd/207:45:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional