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2026-04-18 - 03:49
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Sat Apr 18, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2133302999337,14cyclictest2199971-21modprobe21:50:011
2133302998475,7cyclictest2184565-21kworker/u4:2+events_unbound21:36:041
2133302997972,5cyclictest2242555-21kworker/u4:9+events_unbound22:51:201
2133302997970,6cyclictest2143568-21kworker/u4:3+events_unbound19:50:021
2133299997973,4cyclictest2241905-21kworker/u4:2+events_unbound23:01:210
2133299997869,6cyclictest2123351-21kworker/u4:9+events_unbound20:25:000
2133299997430,27cyclictest0-21swapper/023:05:410
2133302997265,5cyclictest2133297-21cyclictest00:01:431
2133302997265,5cyclictest2133297-21cyclictest00:01:421
2133299997221,28cyclictest25650irq/23-42890000.ethernet21:25:370
2133299997217,32cyclictest2205786-21ssh21:55:370
213329999712,63cyclictest2133297-21cyclictest19:09:590
2133299997119,33cyclictest2275300-21df_inode23:15:160
2133302996960,6cyclictest2241905-21kworker/u4:2+events_unbound00:13:291
2133299996940,26cyclictest378-21dbus-daemon00:33:490
213329999693,44cyclictest0-21swapper/023:45:300
2133299996828,37cyclictest25650irq/23-42890000.ethernet00:00:340
2133299996828,37cyclictest25650irq/23-42890000.ethernet00:00:330
2133302996656,8cyclictest2202713-21kworker/u4:0+events_unbound22:16:121
2133302996642,18cyclictest0-21swapper/122:05:351
2133299996649,15cyclictest2259690-21kworker/u4:15+events_unbound23:00:010
2133299996622,28cyclictest0-21swapper/022:40:020
213329999653,56cyclictest2201039-21ssh21:50:290
2133299996533,30cyclictest2310186-21df_abs23:55:160
2133299996530,33cyclictest2328564-21unixbench-2d00:15:400
213329999652,5cyclictest2279412-21apt-get23:20:110
213329999652,5cyclictest2279412-21apt-get23:20:100
213329999652,56cyclictest2183278-21ntpq21:30:330
2133302996451,9cyclictest37-21kcompactd023:35:201
213329999646,54cyclictest151ktimers/023:30:130
2133299996453,4cyclictest2123351-21kworker/u4:9+events_unbound19:20:350
213329999643,55cyclictest2245308-21ssh22:40:300
2133299996432,29cyclictest2149293-21gltestperf20:10:200
2133299996429,29cyclictest2319415-21ntp_kernel_pll_00:05:300
213329999642,7cyclictest2155926-21ntpq20:35:270
213329999642,16cyclictest2162591-21ntpq21:00:330
2133299996421,40cyclictest2161539-21sed20:55:420
2133302996347,12cyclictest2310449-21gltestperf23:55:201
213329999639,50cyclictest2169930-21ssh21:15:360
2133299996349,10cyclictest2134542-21kworker/u4:219:15:010
2133299996340,19cyclictest2284048-21/usr/sbin/munin23:25:180
213329999633,55cyclictest2145629-21ntpq19:55:270
2133299996329,30cyclictest2306012-21gltestperf23:50:180
2133299996314,28cyclictest0-21swapper/000:11:270
2133302996249,10cyclictest2204840-21aten_r7power_po21:55:141
213329999623,14cyclictest2153446-21ntpq20:25:340
2133299996230,29cyclictest2296899-21aten2__23:40:160
2133299996230,29cyclictest0-21swapper/021:20:170
2133299996224,35cyclictest25650irq/23-42890000.ethernet22:50:310
213329999621,8cyclictest2142490-21apt-get19:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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