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2026-01-12 - 06:31

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 the 376 highest latencies:
System rack3slot5s.osadl.org (updated Mon Jan 12, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
940321560sleep0121750irq/30-eth0_g0_23:58:280
1211130ksoftirqd/1121750irq/30-eth0_g0_22:41:261
27372710sleep1121750irq/30-eth0_g0_21:19:511
280762670sleep0121650irq/29-eth0_g0_23:00:250
158252650sleep0121750irq/30-eth0_g0_00:25:020
101632550sleep1121750irq/30-eth0_g0_19:35:131
121530ksoftirqd/1121750irq/30-eth0_g0_23:20:291
121520ksoftirqd/1121750irq/30-eth0_g0_00:33:501
133982510sleep0121750irq/30-eth0_g0_22:00:470
121510ksoftirqd/1121750irq/30-eth0_g0_21:34:101
121510ksoftirqd/1121750irq/30-eth0_g0_21:34:101
121500ksoftirqd/1121750irq/30-eth0_g0_00:38:491
121490ksoftirqd/1121750irq/30-eth0_g0_22:04:011
121490ksoftirqd/1121750irq/30-eth0_g0_21:45:041
121490ksoftirqd/1121650irq/29-eth0_g0_21:35:091
121650480irq/29-eth0_g0_31ksoftirqd/021:28:490
121480ksoftirqd/1121750irq/30-eth0_g0_00:28:271
121480ksoftirqd/1121650irq/29-eth0_g0_19:52:261
121470ksoftirqd/1121750irq/30-eth0_g0_23:00:511
121460ksoftirqd/1121750irq/30-eth0_g0_23:06:491
121460ksoftirqd/1121750irq/30-eth0_g0_22:26:271
121460ksoftirqd/1121650irq/29-eth0_g0_22:35:101
121460ksoftirqd/1121650irq/29-eth0_g0_22:35:101
121450ksoftirqd/1121650irq/29-eth0_g0_23:46:280
121650440irq/29-eth0_g0_2803-21unixbench_singl19:05:120
121650440irq/29-eth0_g0_121ksoftirqd/123:05:510
121440ksoftirqd/1121650irq/29-eth0_g0_23:14:091
121440ksoftirqd/1121650irq/29-eth0_g0_19:56:181
121440ksoftirqd/1121650irq/29-eth0_g0_19:16:591
121750430irq/30-eth0_g0_470-21kworker/1:123:49:581
121750430irq/30-eth0_g0_470-21kworker/1:122:57:511
121750430irq/30-eth0_g0_470-21kworker/1:100:15:101
121650430irq/29-eth0_g0_23024-21df_abs20:30:020
121650430irq/29-eth0_g0_2130-21lldpd00:30:070
121650420irq/29-eth0_g0_14370-21sendmail_mailqu22:05:100
121650420irq/29-eth0_g0_13-21kworker/0:122:49:290
121420ksoftirqd/1121750irq/30-eth0_g0_22:39:560
121420ksoftirqd/1121650irq/29-eth0_g0_19:11:561
121750410irq/30-eth0_g0_470-21kworker/1:122:51:211
121650410irq/29-eth0_g0_17426-21munin-run22:19:500
121650410irq/29-eth0_g0_13-21kworker/0:123:25:050
121650410irq/29-eth0_g0_13-21kworker/0:100:19:570
121410ksoftirqd/1121650irq/29-eth0_g0_19:39:591
111912410chrt121650irq/29-eth0_g0_21:53:380
325099401cyclictest7576-21taskset19:25:111
121750400irq/30-eth0_g0_470-21kworker/1:121:52:391
121750400irq/30-eth0_g0_12072sleep121:11:551
121650400irq/29-eth0_g0_9680-21df00:00:030
121650400irq/29-eth0_g0_31ksoftirqd/000:17:410
121650400irq/29-eth0_g0_31ksoftirqd/000:05:520
121650400irq/29-eth0_g0_1988-21runrttasks22:54:450
121650400irq/29-eth0_g0_19039-21memory22:25:070
121650400irq/29-eth0_g0_17072-21latency20:05:060
121650400irq/29-eth0_g0_121ksoftirqd/123:19:080
121400ksoftirqd/1121750irq/30-eth0_g0_22:11:320
121400ksoftirqd/1121750irq/30-eth0_g0_22:11:320
121400ksoftirqd/1121650irq/29-eth0_g0_21:58:371
325099391cyclictest4038-21awk23:35:111
325099391cyclictest4038-21awk23:35:111
325099391cyclictest21529-21chrt20:23:361
121750390irq/30-eth0_g0_470-21kworker/1:122:34:511
121750390irq/30-eth0_g0_121ksoftirqd/122:49:381
121650390irq/29-eth0_g0_9488-21sendmail_mailtr21:45:110
121650390irq/29-eth0_g0_7553-21wc19:25:110
121650390irq/29-eth0_g0_2116-21sendmail_mailst21:15:120
121650390irq/29-eth0_g0_18161-21unixbench_multi22:20:120
121650390irq/29-eth0_g0_13-21kworker/0:123:20:280
121650390irq/29-eth0_g0_13-21kworker/0:122:37:040
121650390irq/29-eth0_g0_13-21kworker/0:122:37:040
121650390irq/29-eth0_g0_13-21kworker/0:122:30:440
121650390irq/29-eth0_g0_13-21kworker/0:121:43:260
121650390irq/29-eth0_g0_13-21kworker/0:121:32:310
121650390irq/29-eth0_g0_13-21kworker/0:121:32:310
121650390irq/29-eth0_g0_121ksoftirqd/100:13:381
121390ksoftirqd/1121750irq/30-eth0_g0_23:54:000
121390ksoftirqd/1121750irq/30-eth0_g0_23:35:460
121390ksoftirqd/1121750irq/30-eth0_g0_23:35:460
121390ksoftirqd/1121750irq/30-eth0_g0_21:37:340
121390ksoftirqd/1121750irq/30-eth0_g0_21:13:500
121390ksoftirqd/1121750irq/30-eth0_g0_20:19:260
121390ksoftirqd/1121750irq/30-eth0_g0_20:13:540
121390ksoftirqd/1121750irq/30-eth0_g0_20:02:510
121390ksoftirqd/1121750irq/30-eth0_g0_00:38:190
121390ksoftirqd/1121750irq/30-eth0_g0_00:14:040
121390ksoftirqd/1121650irq/29-eth0_g0_23:55:041
121390ksoftirqd/1121650irq/29-eth0_g0_22:14:321
121390ksoftirqd/1121650irq/29-eth0_g0_22:14:321
121390ksoftirqd/1121650irq/29-eth0_g0_21:24:361
121390ksoftirqd/1121650irq/29-eth0_g0_00:01:421
325099387cyclictest121750irq/30-eth0_g0_00:06:511
3250993832cyclictest1988-21runrttasks23:25:351
325099381cyclictest6353-21swap19:20:121
325099381cyclictest4275-21grep21:25:041
325099381cyclictest1988-21runrttasks00:20:001
325099381cyclictest0-21swapper/120:32:281
121750380irq/30-eth0_g0_121ksoftirqd/123:29:581
121650380irq/29-eth0_g0_9377-21/usr/sbin/munin19:34:500
121650380irq/29-eth0_g0_31ksoftirqd/021:21:540
121650380irq/29-eth0_g0_13-21kworker/0:123:40:560
121650380irq/29-eth0_g0_121ksoftirqd/122:17:171
121380ksoftirqd/1121750irq/30-eth0_g0_23:33:000
121380ksoftirqd/1121750irq/30-eth0_g0_23:11:080
121380ksoftirqd/1121750irq/30-eth0_g0_22:57:230
121380ksoftirqd/1121650irq/29-eth0_g0_20:44:141
121380ksoftirqd/1121650irq/29-eth0_g0_20:44:141
799370migration/032187-21unixbench_multi21:05:110
325099371cyclictest30856-21awk21:00:091
325099371cyclictest201532sleep120:16:511
325099371cyclictest16250-21unixbench_multi20:00:141
121750370irq/30-eth0_g0_470-21kworker/1:123:45:541
121750370irq/30-eth0_g0_470-21kworker/1:123:15:131
121750370irq/30-eth0_g0_470-21kworker/1:122:08:571
121750370irq/30-eth0_g0_32673-21diskmemload23:42:561
121750370irq/30-eth0_g0_2802-21unixbench_singl19:05:121
121650370irq/29-eth0_g0_1988-21runrttasks19:21:360
121650370irq/29-eth0_g0_13-21kworker/0:121:58:220
121650370irq/29-eth0_g0_10055-21timerandwakeup19:35:120
121370ksoftirqd/1121650irq/29-eth0_g0_20:45:111
121370ksoftirqd/1121650irq/29-eth0_g0_19:30:061
325099361cyclictest32084-21awk21:05:101
325099361cyclictest18225-21unixbench_singl22:20:131
325099361cyclictest12499-21cat19:45:101
121650360irq/29-eth0_g0_31ksoftirqd/019:46:500
121650360irq/29-eth0_g0_26932-21missed_timers20:45:050
121650360irq/29-eth0_g0_1988-21runrttasks20:52:450
121650360irq/29-eth0_g0_1988-21runrttasks20:37:050
121650360irq/29-eth0_g0_1988-21runrttasks20:22:150
121650360irq/29-eth0_g0_1988-21runrttasks19:10:580
121650360irq/29-eth0_g0_13683-21wc19:50:110
325099351cyclictest8005-21missed_timers21:40:061
325099351cyclictest0-21swapper/120:13:551
121750350irq/30-eth0_g0_30280-21ls20:59:511
121650350irq/29-eth0_g0_1988-21runrttasks20:59:560
121650350irq/29-eth0_g0_1988-21runrttasks20:55:020
121650350irq/29-eth0_g0_1988-21runrttasks20:42:440
121650350irq/29-eth0_g0_1988-21runrttasks20:42:440
121650350irq/29-eth0_g0_10987-21memory19:40:040
121750340irq/30-eth0_g0_17126-21missed_timers20:05:071
121650340irq/29-eth0_g0_1988-21runrttasks19:18:150
121750330irq/30-eth0_g0_28100-21seq20:50:051
121750330irq/30-eth0_g0_0-21swapper/120:35:111
121650330irq/29-eth0_g0_1988-21runrttasks20:25:120
121750320irq/30-eth0_g0_1988-21runrttasks19:55:450
121750320irq/30-eth0_g0_0-21swapper/120:25:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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