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2024-07-27 - 14:20
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack1slot2.osadl.org (updated Sat Jul 27, 2024 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2886923927,0sleep30-21swapper/306:44:273
2849923827,0sleep20-21swapper/206:44:222
2941723525,0sleep10-21swapper/106:46:491
2927123026,0sleep00-21swapper/006:45:040
29678991212,0cyclictest20064-21sensors11:04:250
296799986,0cyclictest8598-21diskmemload11:59:091
329970,0watchdog/30-21swapper/311:44:213
329970,0watchdog/30-21swapper/309:59:573
329970,0watchdog/30-21swapper/309:47:133
29925070,0irq/32-eth0-rx-0-21swapper/309:14:203
8315060,0irq/26-0000:00:0-21swapper/308:49:213
339960,0migration/3328-21sh09:00:263
329960,0watchdog/312892-21missed_timers12:14:213
329960,0watchdog/30-21swapper/311:56:013
329960,0watchdog/30-21swapper/311:49:373
329960,0watchdog/30-21swapper/311:41:413
329960,0watchdog/30-21swapper/311:38:013
329960,0watchdog/30-21swapper/311:21:413
329960,0watchdog/30-21swapper/311:09:053
329960,0watchdog/30-21swapper/310:56:053
329960,0watchdog/30-21swapper/310:49:213
329960,0watchdog/30-21swapper/310:46:053
329960,0watchdog/30-21swapper/310:39:373
329960,0watchdog/30-21swapper/310:32:093
329960,0watchdog/30-21swapper/310:24:133
329960,0watchdog/30-21swapper/310:12:493
329960,0watchdog/30-21swapper/309:19:453
329960,0watchdog/30-21swapper/309:09:373
329960,0watchdog/30-21swapper/308:39:373
329960,0watchdog/30-21swapper/308:29:013
329960,0watchdog/30-21swapper/307:54:013
29935060,0irq/33-eth0-tx-24631-21ssh11:28:202
29925060,0irq/32-eth0-rx-6386-21runrttasks10:21:043
29925060,0irq/32-eth0-rx-16212-21munin-node08:09:143
29925060,0irq/32-eth0-rx-14996-21iostat_ios11:04:173
29925060,0irq/32-eth0-rx-0-21swapper/312:09:263
29925060,0irq/32-eth0-rx-0-21swapper/311:32:293
29925060,0irq/32-eth0-rx-0-21swapper/311:16:333
29925060,0irq/32-eth0-rx-0-21swapper/311:01:143
29925060,0irq/32-eth0-rx-0-21swapper/310:15:493
29925060,0irq/32-eth0-rx-0-21swapper/309:49:493
29925060,0irq/32-eth0-rx-0-21swapper/309:42:533
29925060,0irq/32-eth0-rx-0-21swapper/309:25:153
29925060,0irq/32-eth0-rx-0-21swapper/308:55:143
296809960,0cyclictest0-21swapper/211:43:382
296809960,0cyclictest0-21swapper/210:33:472
296789960,0cyclictest0-21swapper/010:43:270
149960,0migration/028734-21sh09:37:150
149960,0migration/025327-21sh08:58:370
4150,0ktimersoftd/00-21swapper/011:29:570
339950,0migration/38352-21kthreadcore08:24:223
339950,0migration/331815-21kthreadcore07:34:193
339950,0migration/32902-21kthreadcore06:49:233
339950,0migration/321796-21kthreadcore08:34:273
339950,0migration/316158-21kthreadcore09:29:203
339950,0migration/315087-21kthreadcore11:59:193
329950,0watchdog/383150irq/26-0000:00:07:14:013
329950,0watchdog/31141-21ssh10:35:053
329950,0watchdog/30-21swapper/311:24:173
329950,0watchdog/30-21swapper/310:05:413
329950,0watchdog/30-21swapper/309:54:213
329950,0watchdog/30-21swapper/309:34:173
329950,0watchdog/30-21swapper/308:45:333
329950,0watchdog/30-21swapper/308:19:013
329950,0watchdog/30-21swapper/308:14:333
329950,0watchdog/30-21swapper/308:04:173
329950,0watchdog/30-21swapper/307:59:053
329950,0watchdog/30-21swapper/307:48:373
329950,0watchdog/30-21swapper/307:29:013
329950,0watchdog/30-21swapper/307:24:013
329950,0watchdog/30-21swapper/307:19:093
329950,0watchdog/30-21swapper/307:04:293
329950,0watchdog/30-21swapper/307:04:293
329950,0watchdog/30-21swapper/306:59:013
329950,0watchdog/30-21swapper/306:54:133
29935050,0irq/33-eth0-tx-8999-21ntp_states10:39:232
29935050,0irq/33-eth0-tx-6315-21iceccd08:39:390
29935050,0irq/33-eth0-tx-6315-21iceccd08:31:430
29935050,0irq/33-eth0-tx-29752-21ssh12:07:462
29935050,0irq/33-eth0-tx-15686-21munin-node07:24:180
29935050,0irq/33-eth0-tx-0-21swapper/212:17:042
29935050,0irq/33-eth0-tx-0-21swapper/211:50:522
29935050,0irq/33-eth0-tx-0-21swapper/210:48:222
29935050,0irq/33-eth0-tx-0-21swapper/007:54:320
29935050,0irq/33-eth0-tx-0-21swapper/007:05:320
29935050,0irq/33-eth0-tx-0-21swapper/007:05:320
29935050,0irq/33-eth0-tx-0-21swapper/006:54:240
29925050,0irq/32-eth0-rx-8498-21timerandwakeup09:04:323
29925050,0irq/32-eth0-rx-0-21swapper/312:04:383
29925050,0irq/32-eth0-rx-0-21swapper/307:49:113
29925050,0irq/32-eth0-rx-0-21swapper/307:09:113
296809955,0cyclictest0-21swapper/211:13:312
296809955,0cyclictest0-21swapper/211:02:572
296809955,0cyclictest0-21swapper/210:06:212
296809955,0cyclictest0-21swapper/206:54:012
296809954,0cyclictest21869-21chrt09:51:322
296809950,0cyclictest0-21swapper/209:15:172
296809950,0cyclictest0-21swapper/208:49:062
296799955,0cyclictest0-21swapper/109:15:591
296799954,0cyclictest6620-21rm11:17:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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