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2024-12-12 - 06:22
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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 highest latencies:
System rackcslot2.osadl.org (updated Thu Dec 12, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2414426850,8sleep10-21swapper/119:07:321
2417226653,8sleep00-21swapper/019:07:490
24496993124,6cyclictest30961-21apache221:54:171
2449699300,27cyclictest0-21swapper/122:27:551
2449599290,3cyclictest0-21swapper/022:35:130
2449699280,27cyclictest18908-21kworker/1:220:30:321
24495992827,0cyclictest7-21ksoftirqd/021:14:180
2449699270,26cyclictest15602-21kworker/1:000:18:001
2449699270,26cyclictest0-21swapper/123:42:171
24495992716,3cyclictest30961-21apache222:52:030
24496992610,8cyclictest0-21swapper/123:59:371
2449699260,1cyclictest0-21swapper/123:49:341
2449699260,16cyclictest0-21swapper/121:24:311
24495992620,5cyclictest30990-21apache223:13:320
2449599261,24cyclictest0-21swapper/022:42:590
24495992610,1cyclictest0-21swapper/023:23:100
24496992510,2cyclictest0-21swapper/120:29:181
24495992524,0cyclictest0-21swapper/022:22:270
24495992523,1cyclictest20183-21seq22:04:410
24495992523,1cyclictest14740-21/usr/sbin/munin21:59:300
24496992419,4cyclictest30990-21apache223:58:211
24496992418,5cyclictest97750irq/106-eth1-rx22:21:271
2449699241,22cyclictest1682-21ssh23:02:251
2449699240,3cyclictest20604-21ssh22:05:331
24495992424,0cyclictest0-21swapper/022:29:210
2449599242,21cyclictest5743-21diskmemload23:27:220
24495992418,4cyclictest30990-21apache220:06:130
24496992319,3cyclictest30990-21apache200:31:081
2449699230,6cyclictest0-21swapper/123:19:401
24495992322,1cyclictest817-21apache200:35:010
24495992321,1cyclictest81ktimersoftd/000:24:300
24495992321,1cyclictest7-21ksoftirqd/000:19:320
24495992312,7cyclictest30990-21apache222:45:450
2449699224,7cyclictest0-21swapper/120:14:311
2449699222,11cyclictest0-21swapper/123:24:361
24496992218,3cyclictest24648-21ssh22:10:461
24496992213,4cyclictest0-21swapper/119:49:411
24496992212,7cyclictest10559-21munin-node21:06:511
24496992211,5cyclictest0-21swapper/121:39:111
24496992211,4cyclictest0-21swapper/121:45:491
24496992210,8cyclictest0-21swapper/122:57:531
24496992210,0cyclictest0-21swapper/123:30:181
2449699220,15cyclictest0-21swapper/100:27:531
2449699220,15cyclictest0-21swapper/100:08:071
2449599222,19cyclictest31396-21df_inode22:59:300
24495992221,0cyclictest0-21swapper/021:34:540
24495992220,2cyclictest7-21ksoftirqd/022:56:340
24495992220,1cyclictest7-21ksoftirqd/000:09:390
24495992219,2cyclictest7-21ksoftirqd/021:44:190
24495992211,10cyclictest0-21swapper/023:05:310
24496992121,0cyclictest0-21swapper/119:27:531
24496992119,2cyclictest30990-21apache200:22:471
24496992116,4cyclictest817-21apache219:45:061
24496992115,5cyclictest30990-21apache221:15:121
24496992115,4cyclictest0-21swapper/123:04:301
2449599215,10cyclictest0-21swapper/020:59:310
24495992119,1cyclictest709-21irqbalance00:07:130
24495992119,0cyclictest0-21swapper/000:14:210
24495992118,1cyclictest23890-21cat23:29:360
24495992113,2cyclictest0-21swapper/021:32:430
24495992110,4cyclictest0-21swapper/021:19:380
652222010,0sleep10-21swapper/122:29:211
2449699208,5cyclictest0-21swapper/122:14:421
2449699207,7cyclictest0-21swapper/122:34:321
2449699204,9cyclictest0-21swapper/120:34:411
2449699201,9cyclictest2425-21/usr/sbin/munin20:59:331
24496992018,1cyclictest231ktimersoftd/121:55:521
24496992017,2cyclictest593-21avahi-daemon22:03:531
24496992011,5cyclictest12745-21kworker/u4:023:14:091
24496992010,4cyclictest0-21swapper/123:35:211
24496992010,4cyclictest0-21swapper/122:53:231
2449599204,8cyclictest0-21swapper/021:44:390
2449599203,4cyclictest91rcu_preempt22:14:370
24495992019,1cyclictest0-21swapper/019:58:020
24495992018,1cyclictest0-21swapper/020:24:290
24495992017,2cyclictest81ktimersoftd/000:02:260
24495992010,5cyclictest0-21swapper/023:18:110
1778022010,0sleep10-21swapper/121:22:551
2449699195,9cyclictest707-21sshd21:09:381
2449699194,8cyclictest0-21swapper/119:19:371
2449699194,7cyclictest22723-21df_inode21:29:301
2449699194,7cyclictest168-21systemd-journal19:19:181
2449699193,8cyclictest168-21systemd-journal20:59:181
24496991918,0cyclictest97750irq/106-eth1-rx22:45:481
2449699191,17cyclictest31026-21kworker/1:120:52:441
24496991910,5cyclictest0-21swapper/119:39:441
24496991910,3cyclictest0-21swapper/100:36:371
2449599198,4cyclictest0-21swapper/021:04:350
2449599194,10cyclictest0-21swapper/023:54:330
24495991917,1cyclictest7-21ksoftirqd/023:39:390
24495991917,1cyclictest5457-21ssh00:31:200
24495991916,1cyclictest7-21ksoftirqd/019:46:040
24495991912,4cyclictest30990-21apache223:34:540
24495991910,5cyclictest0-21swapper/022:12:480
24495991910,3cyclictest0-21swapper/021:24:300
24495991910,1cyclictest0-21swapper/023:47:480
2449599190,9cyclictest0-21swapper/020:44:310
2449599190,16cyclictest0-21swapper/020:12:240
2455121810,0sleep00-21swapper/020:33:320
2449699184,6cyclictest0-21swapper/119:09:351
2449699184,10cyclictest0-21swapper/119:34:311
2449699183,10cyclictest0-21swapper/120:19:411
2449699181,8cyclictest14879-21/usr/sbin/munin22:39:331
24496991813,4cyclictest97750irq/106-eth1-rx20:09:341
24496991810,5cyclictest0-21swapper/100:13:171
24496991810,2cyclictest0-21swapper/119:59:321
24496991810,1cyclictest0-21swapper/123:46:461
2449599186,7cyclictest0-21swapper/019:24:300
2449599181,2cyclictest5743-21diskmemload21:50:580
24495991811,1cyclictest81ktimersoftd/023:50:050
24495991810,4cyclictest0-21swapper/021:16:060
24495991810,3cyclictest0-21swapper/020:49:320
2449699175,5cyclictest0-21swapper/120:04:321
2449699173,5cyclictest27412-21ls20:39:371
24496991714,3cyclictest97750irq/106-eth1-rx20:44:341
24496991710,5cyclictest0-21swapper/119:29:521
24496991710,3cyclictest0-21swapper/121:39:211
2449699170,0cyclictest0-21swapper/123:14:541
2449599173,8cyclictest0-21swapper/019:49:330
24495991715,1cyclictest4499-21open_files19:39:390
24495991710,3cyclictest0-21swapper/019:36:220
24495991710,3cyclictest0-21swapper/019:19:330
24496991610,2cyclictest0-21swapper/119:54:331
2449599163,8cyclictest717-21snmpd21:54:370
2449599162,5cyclictest26734-21/usr/sbin/munin20:39:320
2449599161,3cyclictest0-21swapper/022:24:490
24495991610,3cyclictest0-21swapper/020:19:400
24495991610,3cyclictest0-21swapper/019:29:320
24495991610,2cyclictest0-21swapper/020:14:390
24495991610,2cyclictest0-21swapper/019:14:290
2449599153,6cyclictest0-21swapper/020:54:300
2449599151,8cyclictest25310-21/usr/sbin/munin20:34:350
24495991412,1cyclictest7-21ksoftirqd/020:01:360
24495991410,0cyclictest0-21swapper/019:09:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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