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2024-04-27 - 13:09
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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 Sat Apr 27, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2218327452,17sleep10-21swapper/119:03:141
305872660,0sleep10-21swapper/123:07:461
2203426552,8sleep00-21swapper/019:01:410
249522610,1sleep1221rcuc/122:15:171
322432210,1sleep02253099cyclictest21:41:050
22531991716,1cyclictest8913-21ssh00:06:421
22531991715,1cyclictest5747-21ssh00:01:421
22530991716,1cyclictest14847-21ssh21:18:580
22530991715,1cyclictest18177-21ls20:15:180
22531991615,1cyclictest24895-21ssh21:31:451
22531991615,1cyclictest16384-21ssh23:32:341
22531991615,0cyclictest3259-21ssh23:15:121
22531991610,6cyclictest0-21swapper/122:21:001
22530991611,4cyclictest1153-21kworker/0:219:41:570
22530991610,6cyclictest0-21swapper/023:36:080
22530991610,6cyclictest0-21swapper/022:31:400
22530991610,6cyclictest0-21swapper/021:55:550
22530991610,5cyclictest1153-21kworker/0:219:31:010
22531991515,0cyclictest32373-21awk22:25:201
22531991515,0cyclictest22595-21ssh22:12:351
22531991515,0cyclictest13535-21ssh23:29:121
22531991515,0cyclictest0-21swapper/120:30:241
22531991514,1cyclictest8813-21ssh22:38:181
22531991514,1cyclictest21170-21ssh21:26:561
22531991514,1cyclictest18670-21ssh22:50:481
22531991512,1cyclictest8618-21ssh23:21:271
22531991510,5cyclictest0-21swapper/123:56:551
22531991510,5cyclictest0-21swapper/123:52:551
22531991510,5cyclictest0-21swapper/123:46:211
22531991510,5cyclictest0-21swapper/121:04:071
22531991510,5cyclictest0-21swapper/120:53:071
22531991510,5cyclictest0-21swapper/119:10:331
22531991510,5cyclictest0-21swapper/100:24:471
22531991510,5cyclictest0-21swapper/100:11:151
22531991510,4cyclictest0-21swapper/121:11:281
22531991510,3cyclictest0-21swapper/120:07:021
22531991510,0cyclictest0-21swapper/120:12:421
22531991510,0cyclictest0-21swapper/119:44:181
22530991515,0cyclictest2696-21ssh23:14:500
22530991515,0cyclictest0-21swapper/022:55:030
22530991514,1cyclictest0-21swapper/023:02:140
22530991513,1cyclictest633-21nscd23:21:570
22530991513,1cyclictest21286-21http_loadtime20:25:100
22530991510,5cyclictest0-21swapper/023:34:390
22530991510,5cyclictest0-21swapper/000:26:360
22530991510,5cyclictest0-21swapper/000:08:540
22530991510,4cyclictest0-21swapper/023:05:040
22530991510,0cyclictest0-21swapper/019:26:440
22531991414,0cyclictest30085-21sshd20:46:371
22531991414,0cyclictest0-21swapper/120:26:141
22531991412,1cyclictest633-21nscd22:05:161
22531991412,1cyclictest597-21avahi-daemon19:32:121
22531991412,1cyclictest28392-21apache220:42:101
22531991412,1cyclictest28365-21apache200:26:381
22531991410,4cyclictest0-21swapper/123:42:231
22531991410,4cyclictest0-21swapper/123:03:191
22531991410,4cyclictest0-21swapper/121:57:551
22531991410,4cyclictest0-21swapper/121:05:431
22531991410,4cyclictest0-21swapper/100:31:311
22531991410,3cyclictest0-21swapper/122:30:031
22531991410,1cyclictest93750irq/100-eth0-rx23:11:081
22531991410,1cyclictest28933-21kworker/u4:022:01:331
22531991410,1cyclictest14477-21kworker/u4:121:20:211
22531991410,0cyclictest0-21swapper/122:58:151
22531991410,0cyclictest0-21swapper/122:49:191
22531991410,0cyclictest0-21swapper/122:41:431
22531991410,0cyclictest0-21swapper/121:35:071
22531991410,0cyclictest0-21swapper/121:18:551
22531991410,0cyclictest0-21swapper/100:17:391
22530991414,0cyclictest3750-21ssh00:00:010
22530991412,1cyclictest425-21hwlatdetect20:55:110
22530991412,1cyclictest28392-21apache222:08:060
22530991412,1cyclictest28365-21apache222:52:270
22530991411,3cyclictest1153-21kworker/0:222:00:210
22530991411,2cyclictest28365-21apache223:44:240
22530991411,2cyclictest28365-21apache222:45:580
22530991411,2cyclictest28365-21apache222:24:070
22530991410,4cyclictest1153-21kworker/0:223:49:050
22530991410,3cyclictest8177-21kworker/u4:222:18:250
22530991410,1cyclictest30212-21kworker/u4:221:38:400
22531991312,1cyclictest28365-21apache221:50:041
22531991312,1cyclictest17726-21/usr/sbin/munin23:35:091
22531991311,2cyclictest8918-21sshd19:51:451
22531991311,2cyclictest8918-21sshd19:51:451
22531991311,2cyclictest0-21swapper/119:04:591
22531991311,1cyclictest30642-21smartctl19:25:091
22531991311,1cyclictest28392-21apache220:03:561
22531991311,1cyclictest2584-21pmu-power19:35:191
22531991311,1cyclictest19785-21ntpq20:20:171
22531991311,1cyclictest1112-21awk20:55:191
22531991310,3cyclictest0-21swapper/121:44:571
22531991310,3cyclictest0-21swapper/119:16:121
22531991310,1cyclictest0-21swapper/121:41:591
22531991310,0cyclictest0-21swapper/119:54:581
22530991313,0cyclictest0-21swapper/021:50:290
22530991313,0cyclictest0-21swapper/019:45:570
22530991312,1cyclictest28392-21apache222:35:100
22530991312,1cyclictest28392-21apache219:57:530
22530991312,1cyclictest28365-21apache221:10:140
22530991312,1cyclictest10606-21snmpd00:12:180
22530991311,1cyclictest93750irq/100-eth0-rx22:40:110
22530991311,1cyclictest93750irq/100-eth0-rx21:45:050
22530991311,1cyclictest93650irq/99-eth0-rx-23:55:030
22530991311,1cyclictest93650irq/99-eth0-rx-20:10:080
22530991311,1cyclictest633-21nscd23:16:430
22530991311,1cyclictest28365-21apache220:30:210
22530991311,1cyclictest0-21swapper/000:15:000
22530991310,3cyclictest1153-21kworker/0:219:16:370
22530991310,3cyclictest0-21swapper/022:25:330
22530991310,3cyclictest0-21swapper/022:10:070
22530991310,3cyclictest0-21swapper/021:30:430
22530991310,3cyclictest0-21swapper/021:20:520
22530991310,3cyclictest0-21swapper/020:40:510
22530991310,3cyclictest0-21swapper/020:35:200
22530991310,3cyclictest0-21swapper/019:07:040
22530991310,2cyclictest93650irq/99-eth0-rx-00:30:010
22530991310,1cyclictest0-21swapper/023:50:210
22530991310,1cyclictest0-21swapper/023:25:470
22530991310,1cyclictest0-21swapper/021:06:030
22530991310,1cyclictest0-21swapper/020:00:080
22530991310,1cyclictest0-21swapper/000:21:410
22530991310,0cyclictest0-21swapper/021:26:370
22530991310,0cyclictest0-21swapper/019:22:010
22531991210,1cyclictest24849-21cpuspeed_turbos20:35:071
22531991210,1cyclictest0-21swapper/120:14:591
22531991210,1cyclictest0-21swapper/119:45:051
22531991210,1cyclictest0-21swapper/119:20:071
22530991211,1cyclictest28392-21apache219:34:570
22530991210,2cyclictest0-21swapper/021:00:100
22530991210,2cyclictest0-21swapper/020:05:040
22530991210,2cyclictest0-21swapper/019:10:070
22530991210,1cyclictest7806-21fschecks_time19:50:130
22530991210,1cyclictest7806-21fschecks_time19:50:130
22530991210,1cyclictest30635-21/usr/sbin/munin20:50:090
22530991210,1cyclictest0-21swapper/020:45:080
22530991210,1cyclictest0-21swapper/020:20:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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