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2026-07-10 - 14:49

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 the highest latencies:
System rack3slot5s.osadl.org (updated Fri Jul 10, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3183121340sleep1121650irq/29-eth0_g0_12:15:161
2071421280sleep1121650irq/29-eth0_g0_11:29:101
2745521200sleep0121650irq/29-eth0_g0_09:44:230
1211000ksoftirqd/1121750irq/30-eth0_g0_11:06:131
1211000ksoftirqd/1121750irq/30-eth0_g0_11:06:131
121990ksoftirqd/1121750irq/30-eth0_g0_07:27:511
121900ksoftirqd/1121750irq/30-eth0_g0_11:48:511
121870ksoftirqd/1121650irq/29-eth0_g0_12:18:260
121650ksoftirqd/12106099cyclictest07:13:271
14922560sleep1121750irq/30-eth0_g0_12:23:281
307642550sleep0121650irq/29-eth0_g0_12:12:070
121530ksoftirqd/1121750irq/30-eth0_g0_10:56:011
121530ksoftirqd/1121750irq/30-eth0_g0_10:28:161
121530ksoftirqd/1121750irq/30-eth0_g0_10:15:141
121510ksoftirqd/1121750irq/30-eth0_g0_09:16:121
313172500sleep0121650irq/29-eth0_g0_10:01:380
121490ksoftirqd/1121750irq/30-eth0_g0_11:08:270
121490ksoftirqd/1121750irq/30-eth0_g0_10:59:171
121490ksoftirqd/1121750irq/30-eth0_g0_09:42:081
121470ksoftirqd/1121650irq/29-eth0_g0_11:57:041
121460ksoftirqd/1121750irq/30-eth0_g0_11:26:521
121460ksoftirqd/1121650irq/29-eth0_g0_09:23:421
121450ksoftirqd/1121750irq/30-eth0_g0_11:37:350
121450ksoftirqd/1121650irq/29-eth0_g0_08:03:271
121450ksoftirqd/1121650irq/29-eth0_g0_08:03:271
121440ksoftirqd/1121750irq/30-eth0_g0_10:23:580
121440ksoftirqd/1121750irq/30-eth0_g0_09:49:541
121440ksoftirqd/1121750irq/30-eth0_g0_07:48:370
121440ksoftirqd/1121650irq/29-eth0_g0_11:14:051
121440ksoftirqd/1121650irq/29-eth0_g0_10:00:341
121750430irq/30-eth0_g0_8964-21df10:43:151
121750430irq/30-eth0_g0_1219-21kworker/1:209:45:201
121650430irq/29-eth0_g0_31ksoftirqd/010:52:130
121650430irq/29-eth0_g0_262642sleep011:53:180
121430ksoftirqd/1121750irq/30-eth0_g0_09:40:010
121750420irq/30-eth0_g0_1219-21kworker/1:209:22:381
121650420irq/29-eth0_g0_13-21kworker/0:112:13:240
174702410sleep1121750irq/30-eth0_g0_11:18:121
121750410irq/30-eth0_g0_1219-21kworker/1:210:09:171
121650410irq/29-eth0_g0_20537-21unixbench_multi07:03:250
121410ksoftirqd/1121650irq/29-eth0_g0_11:33:391
121750400irq/30-eth0_g0_13-21kworker/0:111:18:040
121750400irq/30-eth0_g0_1219-21kworker/1:211:43:511
121750400irq/30-eth0_g0_1219-21kworker/1:210:33:531
121750400irq/30-eth0_g0_121ksoftirqd/110:27:341
121750400irq/30-eth0_g0_121ksoftirqd/109:10:161
121650400irq/29-eth0_g0_24651-21proc_pri09:33:240
121650400irq/29-eth0_g0_1964-21runrttasks10:47:080
121650400irq/29-eth0_g0_1964-21runrttasks08:38:340
121650400irq/29-eth0_g0_13-21kworker/0:110:20:040
121650400irq/29-eth0_g0_13-21kworker/0:110:10:540
121650400irq/29-eth0_g0_13-21kworker/0:109:18:240
121650400irq/29-eth0_g0_13-21kworker/0:109:17:560
121400ksoftirqd/1121750irq/30-eth0_g0_11:20:020
121750390irq/30-eth0_g0_1219-21kworker/1:210:40:411
121750390irq/30-eth0_g0_121ksoftirqd/112:28:451
121750390irq/30-eth0_g0_121ksoftirqd/112:28:451
121650390irq/29-eth0_g0_31ksoftirqd/012:23:220
121650390irq/29-eth0_g0_2109-21lldpd10:15:440
121650390irq/29-eth0_g0_16327-21grep08:58:270
121650390irq/29-eth0_g0_131kworker/0:110:03:240
121650390irq/29-eth0_g0_13-21kworker/0:110:54:170
121650390irq/29-eth0_g0_13-21kworker/0:110:29:050
121650390irq/29-eth0_g0_13-21kworker/0:109:50:270
121390ksoftirqd/1121750irq/30-eth0_g0_12:32:000
121390ksoftirqd/1121750irq/30-eth0_g0_12:32:000
121390ksoftirqd/1121750irq/30-eth0_g0_11:59:350
121390ksoftirqd/1121750irq/30-eth0_g0_09:53:430
121390ksoftirqd/1121750irq/30-eth0_g0_09:53:430
121390ksoftirqd/1121750irq/30-eth0_g0_08:09:580
121390ksoftirqd/1121750irq/30-eth0_g0_08:04:440
121390ksoftirqd/1121750irq/30-eth0_g0_08:04:440
121390ksoftirqd/1121750irq/30-eth0_g0_07:39:520
121390ksoftirqd/1121750irq/30-eth0_g0_07:24:490
121390ksoftirqd/1121650irq/29-eth0_g0_11:38:261
121390ksoftirqd/1121650irq/29-eth0_g0_07:28:291
121390ksoftirqd/1121650irq/29-eth0_g0_07:18:201
2106099382cyclictest16994-21df_inode09:03:171
2106099382cyclictest16994-21df_inode09:03:171
2106099381cyclictest36562sleep112:33:181
2106099381cyclictest21782-21unixbench_multi07:08:261
2106099381cyclictest15685-21unixbench_multi11:08:271
121750380irq/30-eth0_g0_13550-21seq08:48:211
121750380irq/30-eth0_g0_1219-21kworker/1:210:21:421
121750380irq/30-eth0_g0_1219-21kworker/1:209:53:451
121750380irq/30-eth0_g0_1219-21kworker/1:209:53:451
121650380irq/29-eth0_g0_7283-21if_eth008:23:200
121650380irq/29-eth0_g0_27658-21/usr/sbin/munin07:33:210
121650380irq/29-eth0_g0_2105999cyclictest11:29:320
121650380irq/29-eth0_g0_14965-21latency_hist11:08:040
121650380irq/29-eth0_g0_14965-21latency_hist11:08:040
121650380irq/29-eth0_g0_13-21kworker/0:111:44:340
121650380irq/29-eth0_g0_13-21kworker/0:110:34:470
121650380irq/29-eth0_g0_121ksoftirqd/109:30:591
121380ksoftirqd/1121750irq/30-eth0_g0_12:35:170
121380ksoftirqd/1121750irq/30-eth0_g0_12:03:450
121380ksoftirqd/1121750irq/30-eth0_g0_09:12:560
2106099372cyclictest31993-21ps10:03:221
2106099371cyclictest287342sleep107:38:191
2106099371cyclictest27737-21ps11:58:221
2106099371cyclictest24562-21chrt09:33:211
121750370irq/30-eth0_g0_1219-21kworker/1:212:03:151
121650370irq/29-eth0_g0_8067-21awk10:38:210
121650370irq/29-eth0_g0_5333-21grep08:13:300
121650370irq/29-eth0_g0_358-21unixbench_singl07:53:280
121650370irq/29-eth0_g0_31ksoftirqd/011:25:050
121650370irq/29-eth0_g0_26695-21grep07:28:270
121650370irq/29-eth0_g0_22638-21taskset09:25:230
121650370irq/29-eth0_g0_17975-21munin-run09:08:050
121650370irq/29-eth0_g0_17975-21munin-run09:08:050
121650370irq/29-eth0_g0_13-21kworker/0:111:40:380
121650370irq/29-eth0_g0_13-21kworker/0:109:30:370
2106099362cyclictest7450-21chrt08:23:231
2106099361cyclictest6472-21grep08:18:271
2106099361cyclictest30394-21grep07:43:291
2106099361cyclictest17973-21diskmemload12:08:281
121750360irq/30-eth0_g0_1219-21kworker/1:210:50:451
121650360irq/29-eth0_g0_24817-21/usr/sbin/munin11:48:200
121650360irq/29-eth0_g0_2105999cyclictest08:43:190
121650360irq/29-eth0_g0_2105999cyclictest08:43:190
121650360irq/29-eth0_g0_1964-21runrttasks08:18:480
121650360irq/29-eth0_g0_1964-21runrttasks08:00:240
121650360irq/29-eth0_g0_13146-21/usr/sbin/munin10:58:240
121650360irq/29-eth0_g0_121ksoftirqd/112:19:421
121360ksoftirqd/1121650irq/29-eth0_g0_08:38:001
2106099351cyclictest5162sleep107:54:281
2106099351cyclictest31077-21df_inode07:48:161
2106099351cyclictest27949-21grep07:33:261
2106099351cyclictest14798-21grep08:53:231
2106099351cyclictest12488-21find08:43:251
2106099351cyclictest12488-21find08:43:251
2106099351cyclictest11370-21unixbench_multi08:38:281
121750350irq/30-eth0_g0_20646-21vmstat07:03:261
121650350irq/29-eth0_g0_8604-21missed_timers08:28:220
121650350irq/29-eth0_g0_23064-21unixbench_singl07:13:270
121650350irq/29-eth0_g0_21418-21latency07:08:190
121650350irq/29-eth0_g0_1964-21runrttasks07:47:490
2106099341cyclictest0-21swapper/108:28:231
121750340irq/30-eth0_g0_0-21swapper/108:13:191
121650340irq/29-eth0_g0_14689-21load08:53:210
121650340irq/29-eth0_g0_0-21swapper/008:33:210
121650340irq/29-eth0_g0_0-21swapper/007:18:170
121340ksoftirqd/12085-21munin-plugin-st08:03:051
121650330irq/29-eth0_g0_1964-21runrttasks08:48:130
2106099311cyclictest0-21swapper/108:59:301
121650310irq/29-eth0_g0_2106099cyclictest08:08:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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