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2025-12-03 - 07:15

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
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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 highest latencies:
System rack3slot5s.osadl.org (updated Wed Dec 03, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2762221530sleep13044950irq/29-eth0_g0_00:20:541
1415721520sleep13044950irq/29-eth0_g0_21:10:431
2143321430sleep13044950irq/29-eth0_g0_00:05:511
170921090sleep13045050irq/30-eth0_g0_22:00:021
1211040ksoftirqd/13045050irq/30-eth0_g0_19:26:591
121940ksoftirqd/13045050irq/30-eth0_g0_23:00:041
82622920sleep13045050irq/30-eth0_g0_20:56:491
110732900chrt3045050irq/30-eth0_g0_19:45:041
121870ksoftirqd/13044950irq/29-eth0_g0_22:26:230
11622810sleep03045050irq/30-eth0_g0_21:59:190
100562800sleep13045050irq/30-eth0_g0_22:20:041
77442790sleep13045050irq/30-eth0_g0_19:36:531
200102790sleep13045050irq/30-eth0_g0_00:03:211
152382770sleep03045050irq/30-eth0_g0_22:32:520
231522760sleep13045050irq/30-eth0_g0_21:33:451
175822760sleep13045050irq/30-eth0_g0_21:20:021
232552750sleep13045050irq/30-eth0_g0_20:15:031
76262740sleep03045050irq/30-eth0_g0_19:36:230
48532740sleep03045050irq/30-eth0_g0_20:49:370
68042730sleep13045050irq/30-eth0_g0_23:30:111
201992730sleep13045050irq/30-eth0_g0_22:45:001
101502730sleep13045050irq/30-eth0_g0_19:43:141
101502730sleep13045050irq/30-eth0_g0_19:43:141
14562710sleep13045050irq/30-eth0_g0_00:36:161
109002710sleep13045050irq/30-eth0_g0_21:04:081
95132690sleep03045050irq/30-eth0_g0_22:19:390
121690ksoftirqd/13045050irq/30-eth0_g0_19:20:040
187112680sleep13045050irq/30-eth0_g0_20:04:331
121640ksoftirqd/13045050irq/30-eth0_g0_19:06:051
278642630sleep13045050irq/30-eth0_g0_20:25:111
263442630sleep13045050irq/30-eth0_g0_20:22:111
248462630sleep13045050irq/30-eth0_g0_00:15:011
69442610sleep13045050irq/30-eth0_g0_22:12:391
121610ksoftirqd/13045050irq/30-eth0_g0_21:22:210
311542600sleep13044950irq/29-eth0_g0_20:34:471
121600ksoftirqd/13045050irq/30-eth0_g0_00:20:300
49312560sleep03045050irq/30-eth0_g0_22:07:490
301672560sleep03044950irq/29-eth0_g0_00:27:480
250232530sleep13045050irq/30-eth0_g0_21:38:001
250232530sleep13045050irq/30-eth0_g0_21:38:001
165842530sleep13044950irq/29-eth0_g0_21:17:101
121530ksoftirqd/13045050irq/30-eth0_g0_00:03:170
112482520sleep03044950irq/29-eth0_g0_22:23:220
311862510sleep13045050irq/30-eth0_g0_00:30:031
165852510sleep03045050irq/30-eth0_g0_19:59:170
121510ksoftirqd/13045050irq/30-eth0_g0_23:55:091
121500ksoftirqd/13045050irq/30-eth0_g0_23:15:280
121500ksoftirqd/13045050irq/30-eth0_g0_21:42:531
121500ksoftirqd/13045050irq/30-eth0_g0_21:35:010
121500ksoftirqd/13045050irq/30-eth0_g0_21:35:010
121500ksoftirqd/13045050irq/30-eth0_g0_21:05:311
3044950490irq/29-eth0_g0_14458-21df_abs23:50:011
121490ksoftirqd/13045050irq/30-eth0_g0_21:56:271
100572490sleep13044950irq/29-eth0_g0_23:39:421
189362480sleep13044950irq/29-eth0_g0_22:41:121
189362480sleep13044950irq/29-eth0_g0_22:41:121
7072470sleep13045050irq/30-eth0_g0_23:15:261
121470ksoftirqd/13045050irq/30-eth0_g0_21:17:360
121470ksoftirqd/13044950irq/29-eth0_g0_19:25:070
235222460sleep03044950irq/29-eth0_g0_00:10:580
121460ksoftirqd/13044950irq/29-eth0_g0_23:24:540
121450ksoftirqd/13045050irq/30-eth0_g0_23:43:540
121450ksoftirqd/13045050irq/30-eth0_g0_20:15:130
121450ksoftirqd/13044950irq/29-eth0_g0_19:50:111
3045050440irq/30-eth0_g0_13-21kworker/0:122:59:590
249302440sleep03045050irq/30-eth0_g0_22:55:290
249302440sleep03045050irq/30-eth0_g0_22:55:290
121440ksoftirqd/13045050irq/30-eth0_g0_00:24:531
121440ksoftirqd/13044950irq/29-eth0_g0_22:31:051
72532430sleep03044950irq/29-eth0_g0_22:13:510
3045050430irq/30-eth0_g0_21172-21grep00:05:110
3045050430irq/30-eth0_g0_121ksoftirqd/123:10:031
3044950430irq/29-eth0_g0_209222chrt21:28:031
3044950430irq/29-eth0_g0_121ksoftirqd/123:43:371
121430ksoftirqd/13045050irq/30-eth0_g0_19:10:050
3045050420irq/30-eth0_g0_31926-21chrt20:35:100
3045050420irq/30-eth0_g0_31ksoftirqd/023:21:390
3045050420irq/30-eth0_g0_26358-21vmstat21:40:110
121420ksoftirqd/13045050irq/30-eth0_g0_23:07:281
121420ksoftirqd/13045050irq/30-eth0_g0_00:10:391
121420ksoftirqd/13044950irq/29-eth0_g0_19:15:031
3045050410irq/30-eth0_g0_8330-21taskset20:57:050
3045050410irq/30-eth0_g0_13-21kworker/0:123:55:130
3045050410irq/30-eth0_g0_13-21kworker/0:122:43:050
3045050410irq/30-eth0_g0_13-21kworker/0:122:43:050
3045050410irq/30-eth0_g0_13-21kworker/0:121:30:080
3044950410irq/29-eth0_g0_231722sleep122:51:411
3044950410irq/29-eth0_g0_2175-21runrttasks19:07:340
3044950410irq/29-eth0_g0_121ksoftirqd/122:09:231
136032410sleep03045050irq/30-eth0_g0_23:47:250
121410ksoftirqd/13045050irq/30-eth0_g0_23:22:131
121410ksoftirqd/13045050irq/30-eth0_g0_22:03:350
82812400sleep08286-21df_abs23:35:000
5732400sleep13044950irq/29-eth0_g0_20:39:081
3045050400irq/30-eth0_g0_32217-21seq19:18:030
3045050400irq/30-eth0_g0_30021-21/usr/sbin/munin21:50:030
3045050400irq/30-eth0_g0_31ksoftirqd/023:50:190
3045050400irq/30-eth0_g0_25584-21seq00:15:590
3045050400irq/30-eth0_g0_16114-21sort22:35:030
3045050400irq/30-eth0_g0_13-21kworker/0:123:05:020
3045050400irq/30-eth0_g0_13-21kworker/0:121:28:380
3044950400irq/29-eth0_g0_11968-21irqstats22:25:001
121400ksoftirqd/13044950irq/29-eth0_g0_23:45:271
121400ksoftirqd/13044950irq/29-eth0_g0_22:16:241
121400ksoftirqd/13044950irq/29-eth0_g0_20:11:581
121400ksoftirqd/13044950irq/29-eth0_g0_19:20:311
121400ksoftirqd/13044950irq/29-eth0_g0_19:12:021
3045050390irq/30-eth0_g0_9910-21seq21:00:120
3045050390irq/30-eth0_g0_976-21sendmail_mailtr00:35:090
3045050390irq/30-eth0_g0_29608-21sort21:49:460
3045050390irq/30-eth0_g0_13514-21latency21:10:020
3045050390irq/30-eth0_g0_10436-21chrt19:44:230
3045050390irq/30-eth0_g0_10436-21chrt19:44:230
3044950390irq/29-eth0_g0_5998-21runrttasks19:33:060
3044950390irq/29-eth0_g0_2455-21lldpd20:05:131
3044950390irq/29-eth0_g0_121ksoftirqd/122:55:351
3044950390irq/29-eth0_g0_121ksoftirqd/122:55:351
121390ksoftirqd/13045050irq/30-eth0_g0_20:46:481
121390ksoftirqd/13044950irq/29-eth0_g0_23:29:421
121390ksoftirqd/13044950irq/29-eth0_g0_19:58:011
3045050380irq/30-eth0_g0_841-21chrt20:39:540
3045050380irq/30-eth0_g0_7365-21seq23:32:110
3045050380irq/30-eth0_g0_31023-21taskset20:34:220
3045050380irq/30-eth0_g0_25073-21cpu20:19:590
3045050380irq/30-eth0_g0_20364-21ntp_offset22:45:040
3045050380irq/30-eth0_g0_168232sleep122:36:001
3045050380irq/30-eth0_g0_13125-21diskmemload22:50:210
3045050380irq/30-eth0_g0_13-21kworker/0:100:29:580
3045050380irq/30-eth0_g0_12190-21sshd21:06:060
287242380sleep01932-21runrttasks20:28:250
3045050370irq/30-eth0_g0_5318-21load20:50:030
3045050370irq/30-eth0_g0_19930-21taskset20:06:140
3045050370irq/30-eth0_g0_18120-21taskset20:02:130
3045050370irq/30-eth0_g0_13-21kworker/0:123:09:470
3045050370irq/30-eth0_g0_11507-21taskset19:45:280
3044950370irq/29-eth0_g0_2566-21runrttasks19:34:041
3044950370irq/29-eth0_g0_11-21kworker/1:021:48:411
3045050360irq/30-eth0_g0_21373-21taskset20:10:060
3044950360irq/29-eth0_g0_5633-21timerandwakeup20:50:091
3044950360irq/29-eth0_g0_30105-21runrttasks21:50:041
3045050350irq/30-eth0_g0_13128-21taskset19:50:060
3044950330irq/29-eth0_g0_0-21swapper/120:40:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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