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2024-05-17 - 12:13
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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
Characteristics of the 792 highest latencies:
System rackcslot2.osadl.org (updated Fri May 17, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
608127236,31sleep00-21swapper/019:02:370
215132680,0sleep00-21swapper/021:05:130
618926754,9sleep10-21swapper/119:03:451
160942670,2sleep0647099cyclictest23:08:290
144502640,1sleep10-21swapper/120:49:481
189942630,1sleep10-21swapper/123:11:501
145762210,1sleep114575-21apache_processe21:40:001
6470991810,8cyclictest0-21swapper/019:35:090
6471991716,1cyclictest27601-21ssh21:56:041
6471991715,1cyclictest89332sleep100:26:441
6471991616,0cyclictest5164-21ssh23:36:221
6471991616,0cyclictest19761-21ssh23:55:351
6471991615,1cyclictest301-21ssh22:04:191
6471991615,1cyclictest12944-21ssh23:04:351
6471991614,1cyclictest6567-21perf00:24:481
6470991615,1cyclictest17118-21ssh23:09:590
6470991610,6cyclictest0-21swapper/021:18:520
6471991515,0cyclictest24154-21uname22:35:101
6471991515,0cyclictest22928-21ssh21:07:311
6471991515,0cyclictest0-21swapper/123:22:001
6471991514,1cyclictest29753-21ssh00:10:591
6471991514,1cyclictest13499-21ssh23:48:291
6471991510,5cyclictest0-21swapper/120:01:021
6471991510,0cyclictest0-21swapper/123:16:091
6471991510,0cyclictest0-21swapper/119:43:191
6471991510,0cyclictest0-21swapper/119:27:571
6470991515,0cyclictest0-21swapper/023:40:100
6470991515,0cyclictest0-21swapper/019:28:270
6470991515,0cyclictest0-21swapper/000:20:130
6470991513,1cyclictest21071-21ssh21:48:030
6470991510,5cyclictest0-21swapper/020:32:560
6470991510,5cyclictest0-21swapper/019:12:040
75021410,3sleep00-21swapper/022:47:190
6471991414,0cyclictest0-21swapper/121:37:351
6471991414,0cyclictest0-21swapper/119:39:191
6471991413,1cyclictest93750irq/100-eth0-rx21:25:091
6471991413,1cyclictest23764-21ssh21:50:401
6471991412,2cyclictest6959-21apache221:22:141
6471991412,1cyclictest798-21apache223:05:201
6471991412,1cyclictest6979-21apache222:30:111
6471991412,1cyclictest6979-21apache200:03:121
6471991412,1cyclictest6959-21apache223:26:201
6471991412,1cyclictest6959-21apache222:25:121
6471991412,1cyclictest633-21nscd22:59:221
6471991412,1cyclictest18995-21ssh21:45:051
6471991412,1cyclictest135-21jbd2/sda1-821:00:241
6471991411,2cyclictest6979-21apache222:44:511
6471991411,2cyclictest6979-21apache222:09:591
6471991410,4cyclictest0-21swapper/119:05:011
6471991410,3cyclictest4153-21kworker/u4:021:30:221
6471991410,3cyclictest0-21swapper/100:15:441
6471991410,1cyclictest4153-21kworker/u4:021:16:041
6471991410,1cyclictest31602-21kworker/u4:000:33:491
6471991410,0cyclictest0-21swapper/123:52:191
6471991410,0cyclictest0-21swapper/122:22:361
6471991410,0cyclictest0-21swapper/100:06:281
6470991414,0cyclictest0-21swapper/023:52:030
6470991414,0cyclictest0-21swapper/022:53:050
6470991414,0cyclictest0-21swapper/019:21:260
6470991413,1cyclictest892-21ssh23:30:240
6470991413,1cyclictest27978-21ssh23:24:430
6470991412,1cyclictest6959-21apache222:34:580
6470991412,1cyclictest6959-21apache221:36:550
6470991412,1cyclictest12635-21/usr/sbin/munin20:45:100
6470991411,2cyclictest93750irq/100-eth0-rx23:26:150
6470991411,2cyclictest93750irq/100-eth0-rx22:15:360
6470991411,1cyclictest15450-21ssh21:40:110
6470991410,3cyclictest0-21swapper/023:54:530
6470991410,3cyclictest0-21swapper/022:58:230
6470991410,1cyclictest4153-21kworker/u4:021:53:020
6470991410,1cyclictest32227-21kworker/u4:123:46:560
6470991410,1cyclictest31602-21kworker/u4:023:39:430
163722140,0sleep016371-21diskmemload22:25:040
6471991312,1cyclictest798-21apache223:40:021
6471991312,1cyclictest703-21irqbalance20:19:591
6471991312,1cyclictest6979-21apache222:49:531
6471991312,1cyclictest6979-21apache220:15:281
6471991312,1cyclictest6979-21apache219:56:531
6471991312,1cyclictest6979-21apache219:10:061
6471991312,1cyclictest6959-21apache220:54:001
6471991312,1cyclictest6959-21apache220:40:131
6471991312,1cyclictest6959-21apache220:30:031
6471991312,1cyclictest6959-21apache220:25:091
6471991312,1cyclictest6959-21apache220:10:091
6471991312,1cyclictest6959-21apache219:49:541
6471991311,2cyclictest93750irq/100-eth0-rx21:10:421
6471991311,1cyclictest231ktimersoftd/120:54:591
6471991311,1cyclictest12992-21missed_timers19:20:091
6471991310,3cyclictest0-21swapper/123:30:041
6471991310,3cyclictest0-21swapper/122:15:101
6471991310,3cyclictest0-21swapper/122:06:241
6471991310,3cyclictest0-21swapper/119:45:021
6471991310,3cyclictest0-21swapper/119:31:331
6471991310,3cyclictest0-21swapper/119:19:111
6471991310,1cyclictest0-21swapper/122:39:511
6470991313,0cyclictest0-21swapper/019:16:450
6470991313,0cyclictest0-21swapper/000:06:320
6470991312,1cyclictest6979-21apache222:32:310
6470991312,1cyclictest6979-21apache221:26:520
6470991312,1cyclictest6979-21apache220:57:040
6470991312,1cyclictest6979-21apache219:54:380
6470991312,1cyclictest6979-21apache200:32:130
6470991312,1cyclictest6959-21apache220:39:500
6470991312,1cyclictest633-21nscd23:59:490
6470991312,1cyclictest29608-1kworker/u5:221:10:570
6470991312,1cyclictest27420-21ssh22:40:060
6470991312,1cyclictest25863-21/usr/sbin/munin21:55:040
6470991311,2cyclictest93750irq/100-eth0-rx20:14:570
6470991311,2cyclictest93650irq/99-eth0-rx-20:20:120
6470991311,2cyclictest0-21swapper/000:25:130
6470991311,1cyclictest9556-21/usr/sbin/munin23:00:120
6470991311,1cyclictest6979-21apache223:15:000
6470991311,1cyclictest6979-21apache219:40:060
6470991311,1cyclictest6979-21apache219:05:050
6470991311,1cyclictest6959-21apache221:00:010
6470991311,1cyclictest6959-21apache220:24:570
6470991310,3cyclictest0-21swapper/022:05:140
6470991310,3cyclictest0-21swapper/021:20:320
6470991310,3cyclictest0-21swapper/020:39:270
6470991310,3cyclictest0-21swapper/000:15:440
6470991310,2cyclictest25764-21/usr/sbin/munin19:55:030
6470991310,1cyclictest93750irq/100-eth0-rx22:10:490
6470991310,1cyclictest93750irq/100-eth0-rx00:11:510
6470991310,1cyclictest93650irq/99-eth0-rx-20:10:160
6470991310,1cyclictest0-21swapper/022:20:330
6470991310,1cyclictest0-21swapper/022:00:590
6470991310,1cyclictest0-21swapper/019:30:060
6470991310,0cyclictest0-21swapper/021:30:050
6471991212,0cyclictest6959-21apache220:34:581
6471991210,1cyclictest0-21swapper/120:04:501
6470991212,0cyclictest29958-21wget20:05:010
6470991212,0cyclictest0-21swapper/020:50:020
6470991210,1cyclictest0-21swapper/020:00:020
6470991210,1cyclictest0-21swapper/019:44:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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