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2026-09-24 - 20:31

OSADL QA Farm on Real-time of Mainline Linux

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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 
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  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 all highest latencies:
System rack3slot5s.osadl.org (updated Thu Sep 24, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211030ksoftirqd/1121750irq/30-eth0_g0_08:10:161
121860ksoftirqd/1121750irq/30-eth0_g0_10:00:571
121830ksoftirqd/1121750irq/30-eth0_g0_09:23:440
253252770chrt121750irq/30-eth0_g0_08:05:171
121700ksoftirqd/1121750irq/30-eth0_g0_11:00:541
98502640sleep1121750irq/30-eth0_g0_11:25:281
165702610sleep0121650irq/29-eth0_g0_11:55:140
65752550sleep0121750irq/30-eth0_g0_11:13:500
86892540chrt121650irq/29-eth0_g0_11:20:251
267952540sleep0121650irq/29-eth0_g0_10:24:210
121520ksoftirqd/1121750irq/30-eth0_g0_12:24:451
121510ksoftirqd/1121650irq/29-eth0_g0_10:45:261
121500ksoftirqd/1121750irq/30-eth0_g0_11:30:561
121500ksoftirqd/1121650irq/29-eth0_g0_07:20:210
121490ksoftirqd/1121750irq/30-eth0_g0_09:18:361
121470ksoftirqd/1121750irq/30-eth0_g0_11:50:311
121750460irq/30-eth0_g0_1219-21kworker/1:209:50:041
121650460irq/29-eth0_g0_31ksoftirqd/010:25:250
121650460irq/29-eth0_g0_121ksoftirqd/110:14:540
121460ksoftirqd/1121750irq/30-eth0_g0_10:12:311
121450ksoftirqd/1121750irq/30-eth0_g0_09:26:521
121450ksoftirqd/1121650irq/29-eth0_g0_12:29:460
121450ksoftirqd/1121650irq/29-eth0_g0_12:11:111
121750440irq/30-eth0_g0_1219-21kworker/1:210:52:031
121750440irq/30-eth0_g0_121ksoftirqd/109:30:181
121650440irq/29-eth0_g0_30528-21munin-run10:40:040
121750430irq/30-eth0_g0_1219-21kworker/1:211:18:011
121650430irq/29-eth0_g0_31ksoftirqd/011:30:260
121650430irq/29-eth0_g0_13-21kworker/0:110:40:140
121650430irq/29-eth0_g0_13-21kworker/0:110:40:140
121650430irq/29-eth0_g0_0-21swapper/007:10:250
121430ksoftirqd/1121750irq/30-eth0_g0_10:18:191
121750420irq/30-eth0_g0_31ksoftirqd/009:05:530
121650420irq/29-eth0_g0_31ksoftirqd/011:24:230
121650420irq/29-eth0_g0_1964-21runrttasks12:17:570
1033699421cyclictest1916-21sshd08:40:241
162692410sleep0121750irq/30-eth0_g0_11:52:390
121750410irq/30-eth0_g0_83442sleep109:08:161
121650410irq/29-eth0_g0_31ksoftirqd/012:10:060
121650410irq/29-eth0_g0_31ksoftirqd/011:05:310
121650410irq/29-eth0_g0_1188-21sendmail_mailtr10:50:260
1033699411cyclictest30620-21grep08:25:261
121750400irq/30-eth0_g0_1219-21kworker/1:212:09:531
121750400irq/30-eth0_g0_1219-21kworker/1:212:09:531
121750400irq/30-eth0_g0_1219-21kworker/1:210:37:201
121650400irq/29-eth0_g0_427-21proc_pri08:35:200
121650400irq/29-eth0_g0_427-21proc_pri08:35:200
121650400irq/29-eth0_g0_19163-21if_err_eth007:40:160
121650400irq/29-eth0_g0_13-21kworker/0:112:32:590
121650400irq/29-eth0_g0_13-21kworker/0:111:42:570
121650400irq/29-eth0_g0_13-21kworker/0:111:35:140
121650400irq/29-eth0_g0_13-21kworker/0:110:47:120
121650400irq/29-eth0_g0_13-21kworker/0:110:09:310
121650400irq/29-eth0_g0_13-21kworker/0:109:37:090
121650400irq/29-eth0_g0_13-21kworker/0:109:30:170
121650400irq/29-eth0_g0_11016-21sort07:05:260
121400ksoftirqd/1121650irq/29-eth0_g0_09:11:020
121400ksoftirqd/1121650irq/29-eth0_g0_07:41:231
121400ksoftirqd/1121650irq/29-eth0_g0_07:37:561
1033699401cyclictest17213-21sed07:30:251
254362390sleep0121650irq/29-eth0_g0_10:17:500
121750390irq/30-eth0_g0_1219-21kworker/1:210:05:081
121750390irq/30-eth0_g0_0-21swapper/111:14:011
121650390irq/29-eth0_g0_20889-21df_abs10:00:150
121650390irq/29-eth0_g0_1964-21runrttasks09:44:080
121650390irq/29-eth0_g0_1964-21runrttasks09:44:080
121650390irq/29-eth0_g0_16841-21missed_timers07:30:190
121650390irq/29-eth0_g0_13-21kworker/0:112:05:150
121650390irq/29-eth0_g0_13-21kworker/0:112:05:150
121650390irq/29-eth0_g0_121ksoftirqd/111:00:550
121650390irq/29-eth0_g0_0-21swapper/007:00:180
121390ksoftirqd/1121750irq/30-eth0_g0_12:04:130
121390ksoftirqd/1121650irq/29-eth0_g0_09:55:340
121390ksoftirqd/1121650irq/29-eth0_g0_07:29:451
121390ksoftirqd/1121650irq/29-eth0_g0_07:29:451
1033699392cyclictest32494-21df_abs08:35:131
1033699392cyclictest32494-21df_abs08:35:131
1033699391cyclictest11826-21seq11:35:151
121750380irq/30-eth0_g0_1219-21kworker/1:211:44:201
121750380irq/30-eth0_g0_1219-21kworker/1:209:35:201
121750380irq/30-eth0_g0_1219-21kworker/1:209:10:081
121750380irq/30-eth0_g0_121ksoftirqd/112:33:091
121750380irq/30-eth0_g0_121ksoftirqd/111:06:161
121750380irq/30-eth0_g0_121ksoftirqd/110:29:301
121750380irq/30-eth0_g0_0-21swapper/112:19:341
121750380irq/30-eth0_g0_0-21swapper/110:56:361
121650380irq/29-eth0_g0_23092-21ntp_states12:20:200
121650380irq/29-eth0_g0_1964-21runrttasks11:17:270
121650380irq/29-eth0_g0_13033-21sshd07:15:170
121650380irq/29-eth0_g0_13-21kworker/0:109:52:280
121650380irq/29-eth0_g0_13-21kworker/0:109:46:000
121650380irq/29-eth0_g0_13-21kworker/0:109:25:200
121650380irq/29-eth0_g0_0-21swapper/007:35:550
1033699382cyclictest12868-21cpu07:15:151
1033699381cyclictest28809-21tail10:30:241
1033699381cyclictest18512-21sed09:50:151
121750370irq/30-eth0_g0_15003-21taskset11:47:101
121750370irq/30-eth0_g0_121ksoftirqd/109:59:051
121650370irq/29-eth0_g0_30242-21taskset08:25:190
121650370irq/29-eth0_g0_31ksoftirqd/010:31:540
121650370irq/29-eth0_g0_20912-21unixbench_singl07:45:250
121650370irq/29-eth0_g0_1964-21runrttasks09:00:270
121650370irq/29-eth0_g0_1964-21runrttasks07:25:510
121650370irq/29-eth0_g0_1964-21runrttasks07:25:510
121370ksoftirqd/1121650irq/29-eth0_g0_12:25:221
121370ksoftirqd/1121650irq/29-eth0_g0_10:40:091
121370ksoftirqd/1121650irq/29-eth0_g0_10:40:091
1033699371cyclictest7273-21diskmemload12:00:241
1033699371cyclictest3174-21unixbench_singl08:45:241
1033699371cyclictest17204-21unixbench_multi11:55:251
1033699371cyclictest14340-21wc07:20:181
1033699371cyclictest11592-21awk09:20:241
121750360irq/30-eth0_g0_22710-21df07:55:151
121750360irq/30-eth0_g0_1219-21kworker/1:210:24:231
121750360irq/30-eth0_g0_10328-21crond07:05:041
121650360irq/29-eth0_g0_25003-21taskset08:05:040
121650360irq/29-eth0_g0_25003-21taskset08:05:040
121650360irq/29-eth0_g0_2341-21proc_pri10:55:250
121650360irq/29-eth0_g0_1964-21runrttasks11:26:420
121650360irq/29-eth0_g0_1964-21runrttasks08:31:530
121650360irq/29-eth0_g0_1964-21runrttasks08:06:530
121650360irq/29-eth0_g0_13-21kworker/0:111:47:530
121650360irq/29-eth0_g0_13-21kworker/0:109:15:110
121360ksoftirqd/1121750irq/30-eth0_g0_09:41:051
121360ksoftirqd/1121750irq/30-eth0_g0_09:41:051
1033699362cyclictest244442sleep108:00:231
1033699362cyclictest244442sleep108:00:231
121750350irq/30-eth0_g0_29320-21sendmail_mailst08:20:241
121650350irq/29-eth0_g0_0-21swapper/008:45:040
121650350irq/29-eth0_g0_0-21swapper/007:54:060
1033699352cyclictest2109-21lldpd08:54:371
1033699351cyclictest6138-21/usr/sbin/munin09:00:221
121650340irq/29-eth0_g0_3919-21interrupts08:50:180
121650340irq/29-eth0_g0_1964-21runrttasks07:58:180
121650340irq/29-eth0_g0_0-21swapper/009:00:040
121340ksoftirqd/1121650irq/29-eth0_g0_07:45:251
1033699341cyclictest12275-21tail07:10:251
121650330irq/29-eth0_g0_2843-21ntp_kernel_err08:45:190
121650330irq/29-eth0_g0_28256-21unixbench_singl08:15:260
121650330irq/29-eth0_g0_0-21swapper/008:20:170
1033699331cyclictest4929-21cpu08:55:171
121750320irq/30-eth0_g0_31590-21ntp_kernel_err08:30:211
121750320irq/30-eth0_g0_27604-21chrt08:15:151
121650320irq/29-eth0_g0_26619-21memory08:10:180
1033699321cyclictest0-21swapper/107:52:291
121650310irq/29-eth0_g0_11066-21tail07:05:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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