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2025-03-18 - 14:01

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 Tue Mar 18, 2025 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2106321360sleep0121650irq/29-eth0_g0_11:09:490
631621330sleep1121650irq/29-eth0_g0_12:31:231
1211060ksoftirqd/1121750irq/30-eth0_g0_12:26:060
121850ksoftirqd/1121750irq/30-eth0_g0_09:00:110
121660ksoftirqd/1121750irq/30-eth0_g0_10:15:050
64582650sleep0121750irq/30-eth0_g0_12:33:030
121590ksoftirqd/1121750irq/30-eth0_g0_10:50:031
48762570sleep1121650irq/29-eth0_g0_12:24:491
305402560sleep0121750irq/30-eth0_g0_11:53:250
121560ksoftirqd/1121750irq/30-eth0_g0_11:22:471
121750550irq/30-eth0_g0_3134899cyclictest11:10:120
319062530sleep1121750irq/30-eth0_g0_09:23:161
121500ksoftirqd/1121750irq/30-eth0_g0_11:40:120
121500ksoftirqd/1121750irq/30-eth0_g0_09:18:031
121750490irq/30-eth0_g0_3134899cyclictest12:21:020
121650490irq/29-eth0_g0_31ksoftirqd/009:37:290
232982480chrt121650irq/29-eth0_g0_11:17:170
121480ksoftirqd/1121750irq/30-eth0_g0_10:47:451
121480ksoftirqd/1121750irq/30-eth0_g0_09:40:401
273982470sleep0121650irq/29-eth0_g0_11:36:190
121750470irq/30-eth0_g0_3134899cyclictest09:17:360
121650470irq/29-eth0_g0_121ksoftirqd/112:15:050
121470ksoftirqd/1121750irq/30-eth0_g0_10:09:271
121470ksoftirqd/1121650irq/29-eth0_g0_10:59:220
121470ksoftirqd/1121650irq/29-eth0_g0_10:04:571
121470ksoftirqd/1121650irq/29-eth0_g0_07:37:121
121750460irq/30-eth0_g0_3134899cyclictest11:03:260
121750460irq/30-eth0_g0_3134899cyclictest09:30:140
121650460irq/29-eth0_g0_31ksoftirqd/010:34:480
121650460irq/29-eth0_g0_31ksoftirqd/009:11:580
121460ksoftirqd/1121750irq/30-eth0_g0_11:14:451
121460ksoftirqd/1121750irq/30-eth0_g0_10:40:241
121460ksoftirqd/1121650irq/29-eth0_g0_11:28:361
121460ksoftirqd/1121650irq/29-eth0_g0_11:28:361
31349994531cyclictest1927-21runrttasks08:59:171
121650450irq/29-eth0_g0_31ksoftirqd/010:29:220
121650450irq/29-eth0_g0_31ksoftirqd/010:13:290
121450ksoftirqd/1121750irq/30-eth0_g0_12:35:491
121450ksoftirqd/1121750irq/30-eth0_g0_11:46:221
121450ksoftirqd/1121750irq/30-eth0_g0_11:04:321
121450ksoftirqd/1121750irq/30-eth0_g0_09:54:511
121450ksoftirqd/1121750irq/30-eth0_g0_09:36:211
121450ksoftirqd/1121650irq/29-eth0_g0_12:14:300
121450ksoftirqd/1121650irq/29-eth0_g0_11:39:441
121450ksoftirqd/1121650irq/29-eth0_g0_09:41:260
121750440irq/30-eth0_g0_470-21kworker/1:111:16:131
121750440irq/30-eth0_g0_3134899cyclictest09:54:260
121650440irq/29-eth0_g0_3134899cyclictest11:21:470
121650440irq/29-eth0_g0_3134899cyclictest10:50:000
121440ksoftirqd/13134899cyclictest07:18:550
121440ksoftirqd/1121750irq/30-eth0_g0_12:01:230
121440ksoftirqd/1121650irq/29-eth0_g0_12:12:371
121440ksoftirqd/1121650irq/29-eth0_g0_10:59:011
121440ksoftirqd/1121650irq/29-eth0_g0_09:56:520
121750430irq/30-eth0_g0_470-21kworker/1:110:11:191
121750430irq/30-eth0_g0_3134899cyclictest11:28:470
121750430irq/30-eth0_g0_3134899cyclictest11:28:470
121650430irq/29-eth0_g0_31ksoftirqd/011:55:000
121650430irq/29-eth0_g0_31ksoftirqd/011:33:570
121650430irq/29-eth0_g0_31ksoftirqd/010:07:200
121650430irq/29-eth0_g0_31ksoftirqd/010:02:010
121430ksoftirqd/13134899cyclictest09:21:330
121430ksoftirqd/13134899cyclictest09:06:050
121430ksoftirqd/13134899cyclictest08:35:090
121430ksoftirqd/1121750irq/30-eth0_g0_09:47:451
121430ksoftirqd/1121650irq/29-eth0_g0_11:32:411
121430ksoftirqd/1121650irq/29-eth0_g0_07:27:461
121650420irq/29-eth0_g0_31ksoftirqd/010:37:460
121420ksoftirqd/13134899cyclictest10:21:270
121420ksoftirqd/1121650irq/29-eth0_g0_12:05:530
121420ksoftirqd/1121650irq/29-eth0_g0_09:32:281
121650410irq/29-eth0_g0_31ksoftirqd/010:48:180
121410ksoftirqd/13134899cyclictest12:35:520
121410ksoftirqd/13134899cyclictest09:45:150
121410ksoftirqd/13134899cyclictest08:47:530
121410ksoftirqd/1121750irq/30-eth0_g0_10:26:051
162002400sleep0121750irq/30-eth0_g0_10:42:490
121750400irq/30-eth0_g0_470-21kworker/1:111:57:251
121750400irq/30-eth0_g0_121ksoftirqd/111:50:101
121750400irq/30-eth0_g0_121ksoftirqd/110:17:141
121750400irq/30-eth0_g0_121ksoftirqd/109:56:171
121650400irq/29-eth0_g0_30745-21wc07:05:170
121650400irq/29-eth0_g0_25605-21runrttasks08:56:250
121750390irq/30-eth0_g0_14883-21seq10:36:471
121750390irq/30-eth0_g0_121ksoftirqd/111:41:051
121650390irq/29-eth0_g0_31ksoftirqd/009:25:510
3134999382cyclictest9069-21iostat07:50:141
3134999382cyclictest2074-21lldpd08:32:541
121750380irq/30-eth0_g0_470-21kworker/1:112:27:401
121650380irq/29-eth0_g0_31ksoftirqd/011:46:520
121380ksoftirqd/1121650irq/29-eth0_g0_08:42:071
3134999373cyclictest26301-21memory09:00:141
3134999372cyclictest32728-21df07:15:101
3134999371cyclictest23556-21cpu08:50:111
3134999371cyclictest168192sleep108:20:181
121750370irq/30-eth0_g0_470-21kworker/1:110:23:041
121750370irq/30-eth0_g0_121ksoftirqd/112:05:251
31349993631cyclictest12475-21latency_hist08:04:581
3134999362cyclictest28696-21iostat09:10:141
3134999362cyclictest22783-21proc_pri08:45:171
3134999361cyclictest325632sleep109:29:571
3134999361cyclictest28367-21diskmemload11:06:281
3134999361cyclictest1850-21grep07:20:141
3134999361cyclictest13172-21grep08:05:191
3134999361cyclictest0-21swapper/107:57:311
121750360irq/30-eth0_g0_470-21kworker/1:110:31:331
121650360irq/29-eth0_g0_1927-21runrttasks08:43:280
121360ksoftirqd/1121750irq/30-eth0_g0_12:15:331
3134999351cyclictest14050-21taskset08:10:161
3134999351cyclictest0-21swapper/108:37:511
121750350irq/30-eth0_g0_470-21kworker/1:112:01:531
121650350irq/29-eth0_g0_30453-21latency07:05:121
3134999342cyclictest32609-21sort07:14:581
3134999341cyclictest6649-21latency07:40:121
3134999341cyclictest277562sleep109:05:161
121650340irq/29-eth0_g0_3344-21unixbench_multi07:25:230
121650340irq/29-eth0_g0_1927-21runrttasks07:35:210
121650340irq/29-eth0_g0_1927-21runrttasks07:24:240
121650340irq/29-eth0_g0_1927-21runrttasks07:14:580
121650340irq/29-eth0_g0_10739-21grep07:55:180
121340ksoftirqd/1121750irq/30-eth0_g0_07:44:140
3134999331cyclictest0-21swapper/107:45:121
121650330irq/29-eth0_g0_4062-21df_abs07:30:130
121650330irq/29-eth0_g0_18584-21latency_hist08:29:580
121650330irq/29-eth0_g0_12722-21if_eth008:05:110
31349993217cyclictest15197-21iostat08:15:111
121650320irq/29-eth0_g0_3134999cyclictest08:25:171
121650320irq/29-eth0_g0_31347-21cyclictest08:10:140
121650320irq/29-eth0_g0_1927-21runrttasks08:34:580
121650320irq/29-eth0_g0_1927-21runrttasks08:20:090
121650320irq/29-eth0_g0_15198-21seq08:15:110
121320ksoftirqd/1121750irq/30-eth0_g0_08:52:460
121750310irq/30-eth0_g0_4616-21unixbench_singl07:30:221
121650310irq/29-eth0_g0_8747-21cat07:49:570
121650300irq/29-eth0_g0_9544-21sed07:50:260
121280ksoftirqd/1121750irq/30-eth0_g0_08:01:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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