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2024-12-10 - 05:33
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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 376 highest latencies:
System rackcslot2.osadl.org (updated Tue Dec 10, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2631627057,8sleep10-21swapper/119:05:321
2624926855,8sleep00-21swapper/019:04:510
324732670,0sleep132474-21expr23:39:331
99642620,0sleep10-21swapper/123:51:031
324432550,0sleep10-21swapper/100:19:331
10822540,0sleep10-21swapper/120:49:341
26859993610,0cyclictest0-21swapper/022:01:250
26859993310,0cyclictest0-21swapper/021:05:010
26859993110,19cyclictest0-21swapper/021:38:500
26860993010,9cyclictest0-21swapper/122:55:301
26859993030,0cyclictest0-21swapper/000:19:540
26859992828,0cyclictest0-21swapper/023:48:470
26859992826,1cyclictest81ktimersoftd/000:29:480
26859992818,5cyclictest19734-21apache221:11:380
26859992810,2cyclictest0-21swapper/021:52:390
26859992810,13cyclictest0-21swapper/021:41:370
26859992810,11cyclictest0-21swapper/022:37:130
2686099277,19cyclictest0-21swapper/123:55:551
26859992710,1cyclictest0-21swapper/023:05:050
2686099260,0cyclictest14736-21kworker/u4:221:14:431
26859992622,3cyclictest19818-21ssh22:44:170
26859992617,9cyclictest0-21swapper/022:16:090
26859992612,11cyclictest0-21swapper/020:17:510
26859992610,7cyclictest0-21swapper/019:59:280
2685999260,22cyclictest0-21swapper/022:57:050
26860992524,0cyclictest24-21ksoftirqd/122:29:301
26860992521,1cyclictest593-21avahi-daemon23:30:401
26859992510,5cyclictest0-21swapper/023:50:490
2685999250,2cyclictest13767-21ssh00:35:480
26860992422,1cyclictest22571-21ssh21:24:471
26860992418,2cyclictest231ktimersoftd/123:24:341
26860992417,4cyclictest817-21apache220:59:421
26859992424,0cyclictest0-21swapper/023:13:450
26859992424,0cyclictest0-21swapper/022:07:350
26859992413,5cyclictest16973-21grep23:19:380
26859992411,5cyclictest8689-21ntp_kernel_err19:44:390
26859992410,10cyclictest0-21swapper/022:09:330
2685999240,13cyclictest17527-21apache_accesses20:09:290
2686099234,15cyclictest0-21swapper/121:29:291
26860992319,1cyclictest24-21ksoftirqd/123:00:131
26860992319,1cyclictest0-21swapper/121:20:401
26860992317,3cyclictest19734-21apache222:11:161
2686099231,15cyclictest0-21swapper/123:11:461
26860992310,7cyclictest0-21swapper/121:35:531
26860992310,7cyclictest0-21swapper/119:58:461
26860992310,7cyclictest0-21swapper/100:09:581
26860992310,12cyclictest0-21swapper/121:43:051
26860992310,0cyclictest0-21swapper/121:44:391
2685999238,12cyclictest21370-21kworker/0:120:04:220
2685999233,11cyclictest0-21swapper/023:54:350
26859992317,4cyclictest19734-21apache223:34:450
26859992316,7cyclictest0-21swapper/000:26:510
26859992313,5cyclictest97850irq/107-eth1-rx21:30:460
2686099222,9cyclictest30872-21idleruntime-cro20:44:191
26860992220,1cyclictest27175-21/usr/sbin/munin20:34:341
26860992218,3cyclictest0-21swapper/100:33:271
26860992211,6cyclictest0-21swapper/123:34:321
26860992210,5cyclictest0-21swapper/121:54:341
26860992210,4cyclictest0-21swapper/120:04:401
26860992210,3cyclictest0-21swapper/120:24:351
26859992221,1cyclictest0-21swapper/023:42:510
26859992216,5cyclictest19702-21apache200:18:370
26859992210,6cyclictest0-21swapper/021:55:370
26859992210,3cyclictest0-21swapper/000:06:340
26859992210,2cyclictest0-21swapper/021:46:110
2685999220,21cyclictest19499-21ssh21:21:520
26860992118,1cyclictest24-21ksoftirqd/100:24:321
26860992110,4cyclictest0-21swapper/123:14:321
26860992110,3cyclictest0-21swapper/123:59:331
26860992110,0cyclictest0-21swapper/123:19:411
2685999215,9cyclictest0-21swapper/019:19:300
2685999214,9cyclictest0-21swapper/019:29:300
26859992114,2cyclictest26857-21cyclictest22:25:020
26859992112,7cyclictest0-21swapper/021:26:370
26859992111,8cyclictest0-21swapper/019:17:070
26859992111,5cyclictest24536-21unixbench_multi20:24:410
26859992110,0cyclictest0-21swapper/000:13:270
2685999210,20cyclictest0-21swapper/022:31:250
924222010,0sleep19251-21ssh21:50:101
2686099205,9cyclictest0-21swapper/120:54:381
2686099203,11cyclictest0-21swapper/119:59:351
26860992017,3cyclictest19734-21apache223:46:451
26860992010,3cyclictest0-21swapper/122:14:371
2686099200,6cyclictest0-21swapper/100:14:391
2685999202,15cyclictest12022-21/usr/sbin/munin23:14:300
26859992013,3cyclictest0-21swapper/022:21:370
26859992011,5cyclictest97850irq/107-eth1-rx23:29:220
26859992010,8cyclictest0-21swapper/019:26:490
26859992010,5cyclictest0-21swapper/020:39:360
2685999200,7cyclictest23869-21ssh22:49:270
2686099193,8cyclictest20092-21apache_accesses22:44:321
2686099192,11cyclictest0-21swapper/100:04:301
2686099192,10cyclictest0-21swapper/119:49:321
26860991919,0cyclictest24-21ksoftirqd/121:09:361
26860991916,3cyclictest19734-21apache222:51:341
26860991913,6cyclictest29392-21munin-node20:46:381
26860991913,3cyclictest19702-21apache223:09:141
26860991910,5cyclictest0-21swapper/122:04:351
2686099190,8cyclictest0-21swapper/122:39:371
2685999194,8cyclictest0-21swapper/020:49:310
26859991918,1cyclictest0-21swapper/019:54:270
26859991912,4cyclictest0-21swapper/021:14:250
26859991910,4cyclictest0-21swapper/020:39:060
2685999190,18cyclictest0-21swapper/020:19:310
26860991817,1cyclictest19734-21apache221:04:331
26860991817,1cyclictest0-21swapper/119:14:431
26860991816,1cyclictest24-21ksoftirqd/122:24:391
26860991816,1cyclictest231ktimersoftd/119:43:351
26860991816,1cyclictest231ktimersoftd/119:43:351
26860991810,4cyclictest0-21swapper/100:34:311
26860991810,3cyclictest0-21swapper/122:00:131
26860991810,2cyclictest0-21swapper/122:19:211
26860991810,1cyclictest0-21swapper/122:35:261
2686099180,11cyclictest0-21swapper/119:29:311
2685999183,7cyclictest0-21swapper/023:59:300
2685999182,8cyclictest0-21swapper/020:59:320
26859991816,1cyclictest20549-21fw_packets23:24:330
26859991810,5cyclictest0-21swapper/020:49:160
26859991810,0cyclictest0-21swapper/022:59:350
2685999180,12cyclictest0-21swapper/019:39:370
2685999180,12cyclictest0-21swapper/019:39:370
2686099177,7cyclictest21737-21cut20:19:311
2686099172,7cyclictest0-21swapper/119:09:311
26860991717,0cyclictest0-21swapper/119:19:421
26860991715,1cyclictest24-21ksoftirqd/119:44:341
26860991710,3cyclictest0-21swapper/119:34:301
2686099170,7cyclictest0-21swapper/119:24:401
2685999174,9cyclictest0-21swapper/020:29:320
26859991715,1cyclictest0-21swapper/019:34:350
26860991613,2cyclictest24-21ksoftirqd/120:29:381
26860991610,6cyclictest0-21swapper/120:14:321
26860991610,2cyclictest0-21swapper/120:09:301
26859991612,1cyclictest8070-21diskmemload22:45:030
26859991611,4cyclictest0-21swapper/019:51:190
26859991610,6cyclictest0-21swapper/019:12:590
26859991410,0cyclictest0-21swapper/020:54:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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