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2022-07-06 - 19:08

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #1

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 
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x86 Intel Xeon E3-1230 V2 @3300 MHz, Linux 3.18.36-rt37 (Profile)

Latency plot of shadow in rack #0, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot1s.osadl.org (updated Wed Jul 06, 2022 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13053991310,127cyclictest0-21swapper/011:19:550
1308999130127,2cyclictest157150irq/36-eth1-rx-11:00:555
13089991290,128cyclictest0-21swapper/508:39:285
1307799129128,0cyclictest157150irq/36-eth1-rx-10:11:233
13077991280,1cyclictest0-21swapper/312:33:243
13064991280,1cyclictest0-21swapper/111:52:281
13053991280,127cyclictest0-21swapper/009:23:240
1310199127127,0cyclictest157150irq/36-eth1-rx-11:58:547
1310199127127,0cyclictest157150irq/36-eth1-rx-07:41:287
1310199127125,1cyclictest0-21swapper/712:33:287
1306499127126,1cyclictest0-21swapper/111:05:551
13064991270,126cyclictest0-21swapper/112:08:231
13064991270,126cyclictest0-21swapper/109:39:231
1310199126126,0cyclictest157150irq/36-eth1-rx-10:12:547
1307799126126,0cyclictest157150irq/36-eth1-rx-10:16:543
1307799126125,1cyclictest0-21swapper/310:55:283
13077991260,1cyclictest0-21swapper/308:08:553
1306499126125,1cyclictest0-21swapper/111:30:541
1307799125125,0cyclictest157150irq/36-eth1-rx-10:26:283
1310199124122,1cyclictest0-21swapper/707:10:297
1308999124124,0cyclictest157150irq/36-eth1-rx-08:41:285
1308999124123,0cyclictest157150irq/36-eth1-rx-11:23:285
1308299124123,1cyclictest0-21swapper/409:13:334
1307799124124,0cyclictest157150irq/36-eth1-rx-09:30:233
1306499124123,1cyclictest0-21swapper/109:52:551
1310199123123,0cyclictest157150irq/36-eth1-rx-07:25:297
1310199123122,1cyclictest0-21swapper/710:44:287
1310199123122,1cyclictest0-21swapper/710:44:287
1310199123122,1cyclictest0-21swapper/708:09:287
1307799123123,0cyclictest157150irq/36-eth1-rx-10:05:273
1306499123122,1cyclictest0-21swapper/112:17:541
1306499123122,1cyclictest0-21swapper/109:40:281
1308999122122,0cyclictest157150irq/36-eth1-rx-11:17:545
1306499122121,1cyclictest0-21swapper/108:25:281
1310199121120,1cyclictest157150irq/36-eth1-rx-11:49:547
1306499121121,0cyclictest157150irq/36-eth1-rx-09:57:231
1310199120119,1cyclictest0-21swapper/708:11:287
1310199120119,1cyclictest0-21swapper/707:20:287
1310199120118,1cyclictest0-21swapper/710:32:547
1306499120119,1cyclictest0-21swapper/109:46:281
1309599119118,1cyclictest0-21swapper/610:04:286
1308999119119,0cyclictest157150irq/36-eth1-rx-08:58:285
1308999119119,0cyclictest157150irq/36-eth1-rx-08:31:285
1307799119118,1cyclictest0-21swapper/309:28:543
1307799119118,1cyclictest0-21swapper/307:51:553
1307799119118,1cyclictest0-21swapper/307:42:293
1306499119118,1cyclictest0-21swapper/108:14:281
1306499119116,3cyclictest157150irq/36-eth1-rx-08:50:231
13064991190,1cyclictest0-21swapper/111:14:281
1310199118116,1cyclictest0-21swapper/707:54:287
1307799118118,0cyclictest157150irq/36-eth1-rx-07:33:283
1307099118116,2cyclictest0-21swapper/210:04:552
1306499118117,1cyclictest0-21swapper/111:44:121
1306499118116,2cyclictest0-21swapper/109:01:281
1305399118118,0cyclictest3-21ksoftirqd/009:48:390
1305399118117,1cyclictest0-21swapper/012:13:280
1310199117115,2cyclictest0-21swapper/710:50:287
1308999117117,0cyclictest157150irq/36-eth1-rx-08:16:285
1307799117117,0cyclictest157150irq/36-eth1-rx-07:57:523
1307099117117,0cyclictest29-21ksoftirqd/212:19:472
1306499117113,3cyclictest157150irq/36-eth1-rx-12:34:541
1308999116114,1cyclictest0-21swapper/511:42:135
1308999115113,2cyclictest0-21swapper/511:46:135
1308999115112,2cyclictest157150irq/36-eth1-rx-09:56:545
1306499115113,2cyclictest157150irq/36-eth1-rx-08:47:281
1310199114114,0cyclictest157150irq/36-eth1-rx-10:17:547
1308999114114,0cyclictest157150irq/36-eth1-rx-10:02:285
1308999114110,4cyclictest157150irq/36-eth1-rx-08:53:235
1306499114111,2cyclictest0-21swapper/108:59:281
1306499114111,0cyclictest157150irq/36-eth1-rx-08:33:281
1305399114114,0cyclictest3-21ksoftirqd/009:43:390
1307799113113,0cyclictest157150irq/36-eth1-rx-07:27:293
1308999112112,0cyclictest157150irq/36-eth1-rx-08:26:115
1307799111110,1cyclictest0-21swapper/312:05:283
1310199110109,1cyclictest0-21swapper/708:04:287
1308299110110,0cyclictest157150irq/36-eth1-rx-11:50:284
1308299110109,1cyclictest0-21swapper/412:24:124
1307799109109,0cyclictest157150irq/36-eth1-rx-11:36:283
1307799109108,1cyclictest0-21swapper/307:46:553
1306499109107,2cyclictest0-21swapper/111:59:551
1309599108107,1cyclictest0-21swapper/612:19:476
1308999108107,0cyclictest157150irq/36-eth1-rx-08:14:545
1307799108107,1cyclictest0-21swapper/312:01:283
1308999107107,0cyclictest157150irq/36-eth1-rx-12:36:275
1307799107107,0cyclictest157150irq/36-eth1-rx-12:23:283
1307799107105,1cyclictest0-21swapper/308:01:553
1305399107104,3cyclictest0-21swapper/011:50:550
1310199106106,0cyclictest157150irq/36-eth1-rx-10:49:547
1308999106105,1cyclictest0-21swapper/510:43:505
1308999106105,1cyclictest0-21swapper/510:43:505
1308999106104,2cyclictest157150irq/36-eth1-rx-11:25:555
1308299106106,0cyclictest157150irq/36-eth1-rx-09:59:294
1308299105104,1cyclictest0-21swapper/409:18:284
1307799105104,1cyclictest0-21swapper/310:49:283
1306499105105,0cyclictest157150irq/36-eth1-rx-10:03:281
1305399105104,1cyclictest0-21swapper/012:04:270
1310199104101,2cyclictest0-21swapper/710:23:467
1310199104101,2cyclictest0-21swapper/709:31:547
1308999104103,1cyclictest0-21swapper/511:06:245
1307799104103,1cyclictest0-21swapper/310:33:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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