You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-19 - 16:27

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 #3, slot #5

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
  Eltec
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot5s.osadl.org (updated Thu Mar 19, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2494121130sleep0121750irq/30-eth0_g0_11:06:390
291582840sleep0121750irq/30-eth0_g0_09:11:070
314902750chrt121750irq/30-eth0_g0_07:09:501
176072660sleep1121750irq/30-eth0_g0_08:24:531
17082640sleep1121650irq/29-eth0_g0_09:32:081
121590ksoftirqd/1121650irq/29-eth0_g0_09:54:551
121540ksoftirqd/1121650irq/29-eth0_g0_09:23:110
46662530sleep1121750irq/30-eth0_g0_11:55:261
46662530sleep1121750irq/30-eth0_g0_11:55:261
121520ksoftirqd/1121750irq/30-eth0_g0_11:37:531
121510ksoftirqd/1121650irq/29-eth0_g0_11:14:120
121510ksoftirqd/1121650irq/29-eth0_g0_09:51:320
121510ksoftirqd/1121650irq/29-eth0_g0_09:51:320
99152490sleep0121750irq/30-eth0_g0_12:19:350
121490ksoftirqd/1121750irq/30-eth0_g0_10:26:491
121470ksoftirqd/1121750irq/30-eth0_g0_09:24:031
46972460sleep0121750irq/30-eth0_g0_11:55:460
46972460sleep0121750irq/30-eth0_g0_11:55:460
224282460sleep1121750irq/30-eth0_g0_10:55:531
121460ksoftirqd/1121750irq/30-eth0_g0_11:52:151
121460ksoftirqd/1121650irq/29-eth0_g0_09:58:420
121650450irq/29-eth0_g0_30778-21unixbench_multi07:04:580
121450ksoftirqd/1121750irq/30-eth0_g0_10:41:251
121450ksoftirqd/1121750irq/30-eth0_g0_10:41:251
121440ksoftirqd/1121650irq/29-eth0_g0_08:24:311
121750430irq/30-eth0_g0_470-21kworker/1:112:14:131
121750430irq/30-eth0_g0_470-21kworker/1:110:04:181
121750430irq/30-eth0_g0_31297-21latencyplot07:09:381
120352430sleep0121650irq/29-eth0_g0_12:25:420
121430ksoftirqd/1121750irq/30-eth0_g0_10:41:210
121430ksoftirqd/1121750irq/30-eth0_g0_10:41:210
121430ksoftirqd/1121650irq/29-eth0_g0_09:48:081
121430ksoftirqd/1121650irq/29-eth0_g0_09:17:541
3130199421cyclictest6701-21ntp_kernel_pll_07:39:541
121750420irq/30-eth0_g0_470-21kworker/1:110:07:181
121750420irq/30-eth0_g0_470-21kworker/1:109:36:011
121750420irq/30-eth0_g0_470-21kworker/1:109:27:381
121750420irq/30-eth0_g0_20797-21ntp_states10:49:561
121650420irq/29-eth0_g0_2029-21runrttasks08:47:540
121650420irq/29-eth0_g0_13-21kworker/0:109:32:080
121650410irq/29-eth0_g0_31ksoftirqd/011:50:450
121650410irq/29-eth0_g0_31ksoftirqd/007:50:000
121650410irq/29-eth0_g0_26515-21unixbench_multi09:00:000
121650410irq/29-eth0_g0_13-21kworker/0:111:25:030
121650410irq/29-eth0_g0_13-21kworker/0:111:25:030
121650410irq/29-eth0_g0_13-21kworker/0:110:49:130
121650410irq/29-eth0_g0_13-21kworker/0:109:49:300
121650410irq/29-eth0_g0_121ksoftirqd/111:43:080
121410ksoftirqd/1121750irq/30-eth0_g0_11:46:350
121410ksoftirqd/1121650irq/29-eth0_g0_11:34:530
121410ksoftirqd/1121650irq/29-eth0_g0_07:52:541
3130199401cyclictest28395-21df_abs09:09:481
152062400sleep0121650irq/29-eth0_g0_10:27:180
121750400irq/30-eth0_g0_470-21kworker/1:110:17:251
121750400irq/30-eth0_g0_30473-21memory11:29:511
121750400irq/30-eth0_g0_121ksoftirqd/109:42:451
121750400irq/30-eth0_g0_0-21swapper/110:11:131
121650400irq/29-eth0_g0_27244-21taskset11:15:020
121650400irq/29-eth0_g0_13-21kworker/0:112:37:350
121650400irq/29-eth0_g0_13-21kworker/0:110:54:580
121650400irq/29-eth0_g0_13-21kworker/0:110:21:270
121650400irq/29-eth0_g0_13-21kworker/0:110:04:170
121650400irq/29-eth0_g0_121ksoftirqd/110:49:390
121650400irq/29-eth0_g0_110192sleep007:58:380
121400ksoftirqd/1121750irq/30-eth0_g0_07:29:481
121400ksoftirqd/1121650irq/29-eth0_g0_12:29:381
121400ksoftirqd/1121650irq/29-eth0_g0_07:55:031
3130199392cyclictest14297-21grep08:09:591
3130199391cyclictest20362-21cat08:35:001
121750390irq/30-eth0_g0_470-21kworker/1:110:22:291
121750390irq/30-eth0_g0_121ksoftirqd/111:46:061
121650390irq/29-eth0_g0_31ksoftirqd/010:06:070
121650390irq/29-eth0_g0_24005-21latency_hist11:04:380
121650390irq/29-eth0_g0_16768-21cpu10:34:480
121650390irq/29-eth0_g0_13-21kworker/0:112:19:470
121650390irq/29-eth0_g0_121ksoftirqd/111:59:451
121650390irq/29-eth0_g0_121ksoftirqd/111:34:270
121390ksoftirqd/1121750irq/30-eth0_g0_12:12:360
121390ksoftirqd/1121750irq/30-eth0_g0_12:06:550
121390ksoftirqd/1121750irq/30-eth0_g0_08:22:170
121390ksoftirqd/1121650irq/29-eth0_g0_07:29:231
3130199382cyclictest28127-21ntp_states11:19:551
3130199382cyclictest11753-21mailstats07:59:571
3130199381cyclictest23565-21df08:49:491
121750380irq/30-eth0_g0_470-21kworker/1:112:38:131
121750380irq/30-eth0_g0_470-21kworker/1:112:30:371
121750380irq/30-eth0_g0_470-21kworker/1:110:32:211
121750380irq/30-eth0_g0_121ksoftirqd/111:05:081
121750380irq/30-eth0_g0_0-21swapper/112:05:431
121750380irq/30-eth0_g0_0-21swapper/109:51:301
121750380irq/30-eth0_g0_0-21swapper/109:51:301
121650380irq/29-eth0_g0_32612-21/usr/sbin/munin07:15:010
121650380irq/29-eth0_g0_31ksoftirqd/010:30:200
121650380irq/29-eth0_g0_31ksoftirqd/007:29:530
121650380irq/29-eth0_g0_131kworker/0:110:18:120
121650380irq/29-eth0_g0_13-21kworker/0:109:36:220
121650380irq/29-eth0_g0_11895-21unixbench_singl07:59:580
121380ksoftirqd/1121650irq/29-eth0_g0_08:45:431
3130199372cyclictest1631-21iostat07:19:511
3130199371cyclictest26562-21grep09:00:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional