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2024-11-25 - 14:41

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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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 792 highest latencies:
System rack3slot5s.osadl.org (updated Mon Nov 25, 2024 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
793721470sleep0121550irq/29-eth0_g0_10:41:170
1062121150sleep0121550irq/29-eth0_g0_10:54:010
90032820chrt121650irq/30-eth0_g0_10:45:071
119092790sleep0121550irq/29-eth0_g0_10:59:440
189142770sleep0121550irq/29-eth0_g0_11:25:430
6762750sleep0121650irq/30-eth0_g0_12:25:000
207062690sleep1121650irq/30-eth0_g0_11:34:571
142112690sleep0121550irq/29-eth0_g0_11:08:000
179702640sleep1121550irq/29-eth0_g0_11:24:031
121610ksoftirqd/1121650irq/30-eth0_g0_10:37:391
121610ksoftirqd/1121650irq/30-eth0_g0_10:10:151
321252570chrt121650irq/30-eth0_g0_10:09:460
201432570sleep0121550irq/29-eth0_g0_11:30:460
4482560sleep1121650irq/30-eth0_g0_12:24:571
31742560sleep1121550irq/29-eth0_g0_10:22:551
121560ksoftirqd/1121650irq/30-eth0_g0_12:37:581
267742530sleep0121550irq/29-eth0_g0_11:59:570
119942530sleep0121550irq/29-eth0_g0_10:59:490
121520ksoftirqd/1121650irq/30-eth0_g0_12:11:331
121520ksoftirqd/1121650irq/30-eth0_g0_12:11:331
121520ksoftirqd/1121550irq/29-eth0_g0_09:14:451
121520ksoftirqd/1121550irq/29-eth0_g0_09:14:451
265192500chrt121550irq/29-eth0_g0_09:43:121
190882500sleep0121650irq/30-eth0_g0_09:12:250
190882500sleep0121650irq/30-eth0_g0_09:12:250
121490ksoftirqd/1121650irq/30-eth0_g0_10:32:161
121490ksoftirqd/1121650irq/30-eth0_g0_09:44:551
31642480sleep0121650irq/30-eth0_g0_10:22:470
121470ksoftirqd/1121550irq/29-eth0_g0_10:24:591
121460ksoftirqd/1121650irq/30-eth0_g0_09:17:360
121460ksoftirqd/1121650irq/30-eth0_g0_09:17:360
121460ksoftirqd/1121550irq/29-eth0_g0_11:05:241
121460ksoftirqd/1121550irq/29-eth0_g0_10:33:450
121460ksoftirqd/1121550irq/29-eth0_g0_10:25:070
121460ksoftirqd/1121550irq/29-eth0_g0_09:41:110
121460ksoftirqd/1121550irq/29-eth0_g0_08:50:221
312292450sleep0121550irq/29-eth0_g0_12:16:180
2102799452cyclictest16346-21unixbench_singl11:15:071
155672450sleep0121550irq/29-eth0_g0_11:14:320
121550440irq/29-eth0_g0_20524-21unixbench_multi07:05:070
121440ksoftirqd/1121650irq/30-eth0_g0_12:02:481
121440ksoftirqd/1121550irq/29-eth0_g0_09:55:270
121650430irq/30-eth0_g0_935-21/usr/sbin/munin10:14:581
121550430irq/29-eth0_g0_13-21kworker/0:111:40:370
291532420sleep0121550irq/29-eth0_g0_12:09:470
291532420sleep0121550irq/29-eth0_g0_12:09:470
121650420irq/30-eth0_g0_20173-21load07:05:001
121650420irq/30-eth0_g0_1227-21kworker/1:211:58:051
121420ksoftirqd/1121650irq/30-eth0_g0_07:20:450
121420ksoftirqd/1121550irq/29-eth0_g0_11:30:051
121650410irq/30-eth0_g0_1227-21kworker/1:212:20:311
121650410irq/30-eth0_g0_1227-21kworker/1:209:50:011
121550410irq/29-eth0_g0_31ksoftirqd/010:35:200
121550410irq/29-eth0_g0_13-21kworker/0:112:34:170
121550410irq/29-eth0_g0_13-21kworker/0:109:28:150
121550410irq/29-eth0_g0_13-21kworker/0:109:22:230
121410ksoftirqd/1121550irq/29-eth0_g0_12:30:091
121410ksoftirqd/1121550irq/29-eth0_g0_10:03:271
2102799401cyclictest16273-21cat09:00:051
121550400irq/29-eth0_g0_31ksoftirqd/012:07:150
121550400irq/29-eth0_g0_31ksoftirqd/012:07:150
121550400irq/29-eth0_g0_31ksoftirqd/011:24:380
121550400irq/29-eth0_g0_281212sleep009:51:370
121550400irq/29-eth0_g0_268452sleep009:46:030
121550400irq/29-eth0_g0_1985-21runrttasks08:39:540
121550400irq/29-eth0_g0_1985-21runrttasks07:29:290
121550400irq/29-eth0_g0_1985-21runrttasks07:29:290
121550400irq/29-eth0_g0_16328-21unixbench_multi11:15:060
121550400irq/29-eth0_g0_13-21kworker/0:112:22:460
121550400irq/29-eth0_g0_13-21kworker/0:111:50:100
121550400irq/29-eth0_g0_13-21kworker/0:110:45:330
121550400irq/29-eth0_g0_13-21kworker/0:109:35:030
121550400irq/29-eth0_g0_121ksoftirqd/110:02:170
121400ksoftirqd/1121550irq/29-eth0_g0_11:03:271
121400ksoftirqd/1121550irq/29-eth0_g0_10:44:461
239502390sleep0121650irq/30-eth0_g0_11:47:130
2102799391cyclictest18063-21diskmemload09:31:351
2102799391cyclictest11495-21grep08:40:071
2102799391cyclictest10842-21df10:54:571
121650390irq/30-eth0_g0_23804-21iostat07:19:591
121650390irq/30-eth0_g0_1227-21kworker/1:212:19:121
121550390irq/29-eth0_g0_4970-21missed_timers08:15:010
121550390irq/29-eth0_g0_4970-21missed_timers08:15:010
121550390irq/29-eth0_g0_1985-21runrttasks10:10:110
121550390irq/29-eth0_g0_121ksoftirqd/109:30:570
121390ksoftirqd/120072-21sed09:15:101
121390ksoftirqd/120072-21sed09:15:101
121390ksoftirqd/1121650irq/30-eth0_g0_07:25:001
121390ksoftirqd/1121650irq/30-eth0_g0_07:25:001
121390ksoftirqd/1121550irq/29-eth0_g0_11:52:261
121390ksoftirqd/1121550irq/29-eth0_g0_09:26:561
121390ksoftirqd/1121550irq/29-eth0_g0_08:28:351
121390ksoftirqd/1121550irq/29-eth0_g0_07:36:091
121650380irq/30-eth0_g0_1227-21kworker/1:212:07:391
121650380irq/30-eth0_g0_1227-21kworker/1:212:07:391
121650380irq/30-eth0_g0_1227-21kworker/1:209:37:461
121650380irq/30-eth0_g0_1227-21kworker/1:209:23:011
121650380irq/30-eth0_g0_121ksoftirqd/111:44:441
121550380irq/29-eth0_g0_31ksoftirqd/008:59:460
121550380irq/29-eth0_g0_1985-21runrttasks08:03:380
121550380irq/29-eth0_g0_1985-21runrttasks07:31:130
121550380irq/29-eth0_g0_13-21kworker/0:112:38:390
121550380irq/29-eth0_g0_121ksoftirqd/111:58:220
2102799371cyclictest9626-21df10:50:021
2102799371cyclictest5294-21unixbench_multi08:15:061
2102799371cyclictest5294-21unixbench_multi08:15:061
2102799371cyclictest31536-21cat10:05:081
2102799371cyclictest287972sleep109:55:011
2102799371cyclictest1532-21cat08:00:061
2102799371cyclictest0-21swapper/111:10:121
2102799371cyclictest0-21swapper/107:56:141
121650370irq/30-eth0_g0_1227-21kworker/1:211:45:501
121650370irq/30-eth0_g0_1227-21kworker/1:211:26:511
121550370irq/29-eth0_g0_30242-21sendmail_mailqu07:45:060
121550370irq/29-eth0_g0_1985-21runrttasks08:50:400
121550370irq/29-eth0_g0_18412sleep010:16:520
121550370irq/29-eth0_g0_13-21kworker/0:111:39:430
2102799361cyclictest22984-21grep07:15:071
2102799360cyclictest0-21swapper/108:35:441
121550360irq/29-eth0_g0_31593-21tail07:50:060
121550360irq/29-eth0_g0_21728-21cat07:10:070
121550360irq/29-eth0_g0_1985-21runrttasks08:30:130
121550360irq/29-eth0_g0_1985-21runrttasks08:30:130
121550360irq/29-eth0_g0_17521-21timerandwakeup09:05:040
121360ksoftirqd/1121550irq/29-eth0_g0_08:29:501
121360ksoftirqd/1121550irq/29-eth0_g0_08:29:501
121360ksoftirqd/1121550irq/29-eth0_g0_08:10:251
121360ksoftirqd/1121550irq/29-eth0_g0_07:40:111
2102799351cyclictest31458-21zcat07:50:051
2102799351cyclictest21653-21fgrep07:10:051
2102799351cyclictest12640-21grep08:45:071
2102799351cyclictest12640-21grep08:45:071
2102799351cyclictest0-21swapper/107:33:001
121650350irq/30-eth0_g0_29943-21irqstats07:45:011
121550350irq/29-eth0_g0_28750-21latency07:40:010
121550350irq/29-eth0_g0_1985-21runrttasks08:22:400
121550350irq/29-eth0_g0_1985-21runrttasks08:07:270
121550350irq/29-eth0_g0_1985-21runrttasks08:07:270
2102799341cyclictest64272sleep108:20:191
2102799341cyclictest2757-21mailstats08:05:061
2102799341cyclictest2757-21mailstats08:05:061
121550340irq/29-eth0_g0_9943-21ntpdc08:35:030
121550340irq/29-eth0_g0_3797-21netstat08:10:010
121550340irq/29-eth0_g0_27784-21chrt07:35:090
121550340irq/29-eth0_g0_1985-21runrttasks07:57:260
121550340irq/29-eth0_g0_16385-21unixbench_singl09:00:060
121340ksoftirqd/1121650irq/30-eth0_g0_09:07:031
2102799331cyclictest14471-21/usr/sbin/munin08:54:591
121550330irq/29-eth0_g0_7236-21df_abs08:24:590
121550330irq/29-eth0_g0_12614-21timerandwakeup08:45:060
121550330irq/29-eth0_g0_12614-21timerandwakeup08:45:060
121550320irq/29-eth0_g0_22410-21df_abs07:14:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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