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2026-07-03 - 06:57
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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 Fri Jul 03, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
218526857,7sleep00-21swapper/019:03:570
232026755,8sleep10-21swapper/119:05:201
54882600,2sleep0280599cyclictest19:13:480
2805993333,0cyclictest0-21swapper/023:48:190
2806993232,0cyclictest0-21swapper/123:38:531
2806993210,21cyclictest0-21swapper/121:41:521
2806993110,1cyclictest0-21swapper/123:09:331
2806992811,5cyclictest5427-21kworker/1:120:43:511
280699280,16cyclictest21126-21wget23:18:451
2805992810,0cyclictest0-21swapper/023:39:040
2806992715,3cyclictest14236-21diskmemload23:51:531
2806992710,6cyclictest0-21swapper/121:28:441
2806992710,4cyclictest0-21swapper/121:48:511
2806992710,13cyclictest0-21swapper/123:24:021
2806992624,1cyclictest29440-21ssh00:12:481
2806992610,6cyclictest0-21swapper/123:13:481
2806992610,1cyclictest0-21swapper/100:00:371
2806992610,0cyclictest0-21swapper/120:58:441
2805992622,3cyclictest8391-21apache_volume00:28:430
2805992620,4cyclictest16752-21/usr/sbin/munin23:13:520
2805992618,5cyclictest947-21sendmail-mta21:19:550
2805992610,1cyclictest0-21swapper/020:38:410
2806992525,0cyclictest0-21swapper/120:31:581
2806992510,3cyclictest0-21swapper/100:04:121
2805992510,5cyclictest0-21swapper/023:08:420
2805992510,1cyclictest0-21swapper/023:56:310
280699244,12cyclictest31006-21runrttasks21:35:311
2806992410,8cyclictest0-21swapper/100:27:081
2806992410,6cyclictest0-21swapper/122:53:491
2806992410,5cyclictest0-21swapper/120:48:481
2806992410,3cyclictest0-21swapper/122:04:351
2805992417,6cyclictest16115-21diskmemload21:36:280
2805992410,4cyclictest0-21swapper/020:13:410
2806992318,3cyclictest802-21apache222:52:541
2806992313,2cyclictest0-21swapper/123:47:221
280699230,1cyclictest0-21swapper/123:55:391
2805992319,0cyclictest0-21swapper/000:20:010
2805992315,7cyclictest0-21swapper/021:08:310
280699224,12cyclictest0-21swapper/122:39:261
280699222,19cyclictest0-21swapper/123:03:501
2806992220,1cyclictest27889-21apache219:23:511
2806992220,0cyclictest231ktimersoftd/100:18:431
2806992218,2cyclictest231ktimersoftd/119:18:521
2806992217,0cyclictest0-21swapper/121:54:231
2806992211,7cyclictest0-21swapper/121:23:541
2806992210,5cyclictest0-21swapper/100:13:321
280699220,1cyclictest0-21swapper/122:59:231
2805992220,1cyclictest11416-21timerandwakeup23:03:500
2805992216,5cyclictest27889-21apache223:27:550
2805992210,4cyclictest0-21swapper/023:58:460
2805992210,3cyclictest0-21swapper/023:20:060
2805992210,2cyclictest0-21swapper/021:23:420
2806992110,3cyclictest0-21swapper/121:47:321
2806992110,1cyclictest0-21swapper/122:23:461
280699210,13cyclictest0-21swapper/120:08:481
2805992112,5cyclictest81ktimersoftd/022:59:070
2805992112,5cyclictest0-21swapper/022:08:040
2805992111,5cyclictest0-21swapper/023:28:420
280599210,2cyclictest0-21swapper/023:50:500
280599210,20cyclictest0-21swapper/022:24:380
1106322110,0sleep10-21swapper/100:32:001
2806992019,0cyclictest24-21ksoftirqd/122:18:441
2806992014,4cyclictest744-21snmpd21:08:031
2806992010,5cyclictest0-21swapper/119:08:441
2806992010,0cyclictest0-21swapper/122:45:171
2805992019,1cyclictest0-21swapper/019:51:520
2805992015,3cyclictest773-21sshd00:17:200
2805992013,3cyclictest27889-21apache222:41:240
2805992010,9cyclictest0-21swapper/023:34:380
2805992010,5cyclictest0-21swapper/022:08:420
2805992010,5cyclictest0-21swapper/020:38:320
2805992010,1cyclictest0-21swapper/022:28:530
280699194,9cyclictest0-21swapper/120:33:431
280699194,8cyclictest0-21swapper/120:03:431
280699194,7cyclictest0-21swapper/119:48:471
280699194,13cyclictest0-21swapper/100:33:481
280699193,13cyclictest0-21swapper/122:33:461
280699193,11cyclictest0-21swapper/121:18:491
280699193,10cyclictest31350-21perf20:23:321
2806991915,2cyclictest231ktimersoftd/119:33:501
2806991913,3cyclictest16115-21diskmemload21:14:191
2806991913,0cyclictest20263-21fschecks_time19:53:431
280699191,11cyclictest0-21swapper/119:43:511
2806991910,7cyclictest0-21swapper/122:00:151
2806991910,6cyclictest13477-21kworker/1:022:08:501
2806991910,5cyclictest0-21swapper/120:38:451
2806991910,0cyclictest0-21swapper/123:37:001
280599199,7cyclictest0-21swapper/019:58:570
280599193,10cyclictest0-21swapper/022:43:440
280599191,9cyclictest0-21swapper/021:43:310
2805991917,1cyclictest7177-21ssh00:26:120
2805991912,0cyclictest27907-21apache220:53:410
2805991911,5cyclictest0-21swapper/022:49:210
2805991910,5cyclictest27229-21kworker/0:220:23:400
2805991910,3cyclictest0-21swapper/019:28:410
2805991910,2cyclictest0-21swapper/022:15:320
2805991910,2cyclictest0-21swapper/019:53:440
1784121910,0sleep10-21swapper/121:09:561
2927521810,0sleep10-21swapper/120:17:141
2806991816,1cyclictest27907-21apache223:30:431
2806991810,3cyclictest0-21swapper/120:23:411
2806991810,2cyclictest0-21swapper/119:18:311
280599186,4cyclictest0-21swapper/022:18:440
280599185,8cyclictest0-21swapper/020:18:450
2805991811,4cyclictest26376-21ls20:08:460
2805991811,3cyclictest14529-21diskmemload00:36:570
2805991810,6cyclictest27229-21kworker/0:221:48:510
2805991810,4cyclictest0-21swapper/021:17:330
2805991810,3cyclictest0-21swapper/020:28:470
2805991810,3cyclictest0-21swapper/019:43:430
2805991810,0cyclictest0-21swapper/021:57:150
280699174,9cyclictest0-21swapper/119:58:471
280699174,8cyclictest0-21swapper/120:53:511
280699173,8cyclictest0-21swapper/122:13:451
2806991710,5cyclictest100250irq/107-eth1-rx22:28:531
280599172,8cyclictest8776-21forks19:23:430
2805991717,0cyclictest0-21swapper/022:53:420
2805991710,3cyclictest0-21swapper/020:43:480
2805991710,1cyclictest0-21swapper/021:28:430
2805991710,1cyclictest0-21swapper/000:12:400
280599170,1cyclictest0-21swapper/022:00:060
280699168,7cyclictest0-21swapper/119:28:421
280699164,5cyclictest0-21swapper/119:38:421
2805991611,1cyclictest7-21ksoftirqd/000:03:520
2805991610,5cyclictest0-21swapper/021:12:470
2805991610,4cyclictest0-21swapper/022:33:480
2805991610,4cyclictest0-21swapper/019:18:480
2805991610,3cyclictest27229-21kworker/0:221:00:190
2805991610,3cyclictest0-21swapper/021:43:430
2805991610,3cyclictest0-21swapper/019:33:460
2805991610,2cyclictest0-21swapper/020:03:490
2805991510,5cyclictest0-21swapper/020:52:150
2805991510,2cyclictest0-21swapper/019:11:240
2805991410,2cyclictest0-21swapper/019:38:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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