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2022-06-30 - 17:53

ARM Broadcom BCM2711 @1500 MHz, Linux 5.10.52-rt47-v7l (Profile)

Latency plot of system in rack #4, 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, Linux 4.9.20-rt16, x86_64 highest latencies:
System rack4slot1.osadl.org (updated Thu Jun 30, 2022 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1041021350,2sleep30-21swapper/308:41:063
1041021350,2sleep30-21swapper/308:41:063
1112621270,2sleep00-21swapper/007:16:030
1112621270,2sleep00-21swapper/007:16:030
1655621260,3sleep30-21swapper/311:28:323
1655621260,3sleep30-21swapper/311:28:323
1267321170,2sleep0151rcuc/012:36:010
2083721130,2sleep30-21swapper/311:33:153
2083721130,2sleep30-21swapper/311:33:153
1103321110,3sleep00-21swapper/012:33:560
1103321110,3sleep00-21swapper/012:33:560
724421050,3sleep10-21swapper/110:42:001
724421050,3sleep10-21swapper/110:42:001
46262850,3chrt0-21swapper/311:15:583
113072800,4chrt0-21swapper/312:34:233
113072800,4chrt0-21swapper/312:34:233
279382770,3sleep00-21swapper/010:29:540
279382770,3sleep00-21swapper/010:29:540
241682760,3sleep10-21swapper/111:36:181
241682760,3sleep10-21swapper/111:36:181
197162690,2sleep119729-21ssh09:45:071
197162690,2sleep119729-21ssh09:45:071
211622680,2sleep10-21swapper/109:11:021
211622680,2sleep10-21swapper/109:11:021
120392680,4chrt0-21swapper/310:47:293
297832650,2chrt0-21swapper/012:18:410
209242610,3sleep00-21swapper/007:41:110
320882580,3sleep00-21swapper/010:34:160
320882580,3sleep00-21swapper/010:34:160
150842580,3chrt0-21swapper/011:26:160
150842580,3chrt0-21swapper/011:26:160
212382570,4chrt0-21swapper/310:57:503
212382570,4chrt0-21swapper/310:57:503
280402560,3sleep00-21swapper/009:17:560
122482560,4sleep00-21swapper/011:23:510
122482560,4sleep00-21swapper/011:23:510
170442550,4sleep30-21swapper/310:53:213
170442550,4sleep30-21swapper/310:53:213
324312540,2sleep132558-21timerandwakeup12:21:121
324312540,2sleep132558-21timerandwakeup12:21:121
304112540,2sleep00-21swapper/011:07:530
304112540,2sleep00-21swapper/011:07:530
183422540,3chrt0-21swapper/010:55:220
183422540,3chrt0-21swapper/010:55:220
8932995319,3cyclictest131rcu_preempt07:56:001
8932995319,3cyclictest131rcu_preempt07:56:001
166622530,2sleep20-21swapper/212:04:322
166622530,2sleep20-21swapper/212:04:322
57682520,2sleep15781-21ssh11:51:381
57682520,2sleep15781-21ssh11:51:381
252812520,4sleep30-21swapper/310:26:123
252812520,4sleep30-21swapper/310:26:123
222502520,2sleep022012-21latency_hist12:10:580
893399511,41cyclictest4210-21ssh11:51:012
893399511,41cyclictest4210-21ssh11:51:012
36812510,3sleep30-21swapper/311:14:463
130022500,2sleep013015-21ssh10:12:390
130022500,2sleep013015-21ssh10:12:390
102082500,2sleep00-21swapper/011:56:310
102082500,2sleep00-21swapper/011:56:310
8932994920,2cyclictest131rcu_preempt09:51:011
49072490,3sleep00-21swapper/010:04:020
49072490,3sleep00-21swapper/010:04:020
195652490,3sleep10-21swapper/107:38:471
195652490,3sleep10-21swapper/107:38:471
68652470,2sleep30-21swapper/311:53:203
68652470,2sleep30-21swapper/311:53:203
313722460,2sleep131185-21latency_hist12:20:561
310372450,3sleep00-21swapper/009:56:140
310372450,3sleep00-21swapper/009:56:140
191362450,3chrt0-21swapper/011:31:110
191362450,3chrt0-21swapper/011:31:110
33312440,2sleep20-21swapper/210:38:002
33312440,2sleep20-21swapper/210:38:002
272202440,7sleep333-21ksoftirqd/309:52:313
272202440,7sleep333-21ksoftirqd/309:52:313
272202440,7sleep333-21ksoftirqd/309:52:313
893399431,32cyclictest20743-21diskmemload11:56:002
893399431,32cyclictest20743-21diskmemload11:56:002
327232430,3sleep10-21swapper/109:58:481
327232430,3sleep10-21swapper/109:58:481
47542420,3sleep121-21ksoftirqd/112:26:141
47542420,3sleep121-21ksoftirqd/112:26:141
226582410,3sleep10-21swapper/111:00:011
226582410,3sleep10-21swapper/111:00:011
298182400,3sleep30-21swapper/312:18:443
8933993917,13cyclictest27-21ksoftirqd/207:51:012
8933993917,13cyclictest27-21ksoftirqd/207:51:012
893399391,32cyclictest8047-21ssh12:31:012
893399391,32cyclictest8047-21ssh12:31:012
143572390,2chrt0-21swapper/211:26:062
143572390,2chrt0-21swapper/211:26:062
87932385,25sleep28739-21ls07:10:522
87932385,25sleep28739-21ls07:10:522
326792380,8sleep012-21ksoftirqd/008:13:540
326792380,8sleep012-21ksoftirqd/008:13:540
10772380,4sleep30-21swapper/312:22:233
10772380,4sleep30-21swapper/312:22:233
96402370,2sleep19752-21find11:56:121
96402370,2sleep19752-21find11:56:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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