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2025-06-16 - 23:45
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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 all highest latencies:
System rackcslot4.osadl.org (updated Mon Jun 16, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5021212324282,27sleep10-21swapper/107:06:561
5023892304260,29sleep00-21swapper/007:09:480
5025169918090,78cyclictest624779-21gpgv10:45:011
5025119913675,48cyclictest624779-21gpgv10:45:020
5025119911324,77cyclictest621858-21cut10:40:210
5025169910427,65cyclictest624779-21gpgv10:45:011
5933012560,4sleep10-21swapper/110:03:261
7008512530,4sleep00-21swapper/012:23:580
125899520,4rtkit-daemon1257-21rtkit-daemon09:21:080
7032652480,4sleep10-21swapper/112:26:141
6753132470,4sleep10-21swapper/111:50:201
125899460,3rtkit-daemon0-21swapper/009:07:240
125899440,3rtkit-daemon0-21swapper/011:18:120
125899440,3rtkit-daemon0-21swapper/007:23:410
502511994312,8cyclictest13-21ksoftirqd/012:40:010
125899430,3rtkit-daemon0-21swapper/011:13:150
125899430,3rtkit-daemon0-21swapper/008:05:460
50251699420,12cyclictest637015-21apt-get11:00:141
125899410,3rtkit-daemon0-21swapper/011:39:270
125899400,3rtkit-daemon0-21swapper/007:35:280
50251699391,20cyclictest578658-21ssh09:45:091
125899390,3rtkit-daemon0-21swapper/008:36:120
6029702380,2sleep10-21swapper/110:15:241
50251699381,13cyclictest662219-21ssh11:32:341
125899380,6rtkit-daemon632853-21munin-run10:55:001
125899380,3rtkit-daemon0-21swapper/007:17:020
125899370,3rtkit-daemon0-21swapper/008:41:310
50251699363,11cyclictest582656-21/usr/sbin/munin09:50:301
50251699362,13cyclictest693010-21taskset12:12:581
50251699362,13cyclictest607427-21ssh10:20:471
50251699361,8cyclictest575250-21fschecks_count09:40:181
50251699360,11cyclictest550949-21diskmemload09:15:181
50251199363,4cyclictest13-21ksoftirqd/010:15:000
50251699356,21cyclictest533106-40apt-check08:25:191
502516993510,10cyclictest141rcu_preempt10:10:161
50251699342,11cyclictest700492-21chrt12:23:061
50251699341,13cyclictest596105-21chrt10:06:071
50251699341,13cyclictest569987-21chrt09:33:321
50251699341,13cyclictest562485-21chrt09:24:141
50251699341,12cyclictest665707-21chrt11:36:471
50251699341,12cyclictest531439-21chrt08:20:241
50251699341,12cyclictest529338-21grep08:15:191
50251199346,3cyclictest141rcu_preempt12:10:230
50251699338,13cyclictest613858-21diskstats10:30:191
50251699330,13cyclictest551237-21/usr/sbin/munin09:10:141
50251699330,12cyclictest508257-21sed07:20:271
50251199337,6cyclictest13-21ksoftirqd/009:55:250
50251199333,4cyclictest13-21ksoftirqd/012:09:290
50251199333,4cyclictest13-21ksoftirqd/011:10:010
50251199333,2cyclictest141rcu_preempt09:10:200
50251699327,13cyclictest141rcu_preempt09:25:311
50251699321,11cyclictest650826-21chrt11:17:321
502516993210,15cyclictest617301-21apt-get10:35:191
50251699320,12cyclictest643499-21chrt11:08:031
50251699320,10cyclictest712311-21/usr/sbin/munin12:40:001
502511993215,7cyclictest573869-21ssh09:38:140
50251699319,9cyclictest141rcu_preempt12:16:151
50251699319,9cyclictest141rcu_preempt11:45:181
502516993110,3cyclictest141rcu_preempt11:25:171
50251199318,4cyclictest13-21ksoftirqd/010:25:460
50251199317,6cyclictest636306-21ssh10:59:110
50251199317,6cyclictest13-21ksoftirqd/011:59:230
50251199316,11cyclictest141rcu_preempt09:15:150
50251199315,3cyclictest141rcu_preempt12:30:280
50251199313,3cyclictest13-21ksoftirqd/012:25:220
50251199312,4cyclictest13-21ksoftirqd/011:30:280
502516993012,11cyclictest571059-21apt-get09:35:151
502516993011,10cyclictest522863-21apt-get08:00:141
50251699300,10cyclictest670860-21taskset11:44:251
50251699300,10cyclictest5899882chrt09:59:511
50251199309,2cyclictest141rcu_preempt07:30:250
50251199308,6cyclictest13-21ksoftirqd/011:52:240
50251199308,2cyclictest141rcu_preempt09:50:220
50251199307,6cyclictest13-21ksoftirqd/011:22:270
50251199306,3cyclictest13-21ksoftirqd/010:24:550
50251199305,2cyclictest141rcu_preempt09:45:120
50251199305,11cyclictest141rcu_preempt09:40:150
50251199303,4cyclictest13-21ksoftirqd/010:15:260
125899300,3rtkit-daemon1257-21rtkit-daemon12:30:441
50251699298,3cyclictest141rcu_preempt11:10:181
50251699297,4cyclictest141rcu_preempt07:35:141
50251199299,4cyclictest595865-21sh10:05:390
50251199298,2cyclictest141rcu_preempt11:45:280
50251199297,3cyclictest141rcu_preempt09:31:490
50251199296,6cyclictest13-21ksoftirqd/010:34:250
50251199295,2cyclictest141rcu_preempt11:00:470
50251199291,6cyclictest13-21ksoftirqd/008:25:120
50251699288,3cyclictest141rcu_preempt07:10:121
50251699287,10cyclictest550949-21diskmemload12:05:131
50251699286,3cyclictest141rcu_preempt11:55:171
50251199289,6cyclictest545478-21df08:55:180
50251199289,2cyclictest141rcu_preempt07:25:200
50251199288,3cyclictest13-21ksoftirqd/009:28:550
50251199288,2cyclictest141rcu_preempt10:51:000
50251199287,6cyclictest13-21ksoftirqd/011:40:510
50251199287,6cyclictest13-21ksoftirqd/008:45:200
50251199287,4cyclictest13-21ksoftirqd/010:00:020
50251199287,3cyclictest141rcu_preempt12:00:160
50251199286,6cyclictest13-21ksoftirqd/011:27:290
50251699279,10cyclictest526763-21apt-get08:10:171
50251699278,3cyclictest141rcu_preempt10:26:401
50251699277,3cyclictest141rcu_preempt08:45:181
50251699277,3cyclictest141rcu_preempt07:50:151
502516992710,3cyclictest26-21ksoftirqd/109:05:271
50251199279,3cyclictest141rcu_preempt07:40:220
50251199279,3cyclictest13-21ksoftirqd/010:35:360
50251199277,2cyclictest141rcu_preempt07:45:270
50251699268,3cyclictest26-21ksoftirqd/108:09:261
50251699267,3cyclictest26-21ksoftirqd/108:40:201
50251699266,3cyclictest141rcu_preempt11:20:161
502516992613,5cyclictest511064-21apt-get07:30:121
50251199267,4cyclictest13-21ksoftirqd/012:15:020
50251199264,2cyclictest141rcu_preempt08:30:170
50251199263,3cyclictest13-21ksoftirqd/008:20:020
50251699257,2cyclictest141rcu_preempt07:15:131
50251699256,3cyclictest26-21ksoftirqd/112:04:141
50251699256,2cyclictest141rcu_preempt07:55:181
50251699253,11cyclictest515822-21awk07:40:221
50251699252,16cyclictest516996-21apt-get07:45:141
502516992511,6cyclictest545281-21apt-get08:55:161
502516992511,3cyclictest26-21ksoftirqd/108:37:471
50251199256,3cyclictest141rcu_preempt08:10:250
50251199255,3cyclictest141rcu_preempt08:50:210
50251199254,2cyclictest141rcu_preempt08:20:230
50251199253,4cyclictest13-21ksoftirqd/007:55:000
50251199253,3cyclictest141rcu_preempt07:58:010
50251199253,3cyclictest141rcu_preempt07:10:210
50251699246,2cyclictest141rcu_preempt08:50:221
50251699245,3cyclictest141rcu_preempt08:30:191
50251699245,2cyclictest141rcu_preempt07:25:191
50251699240,10cyclictest26-21ksoftirqd/110:56:551
50251199246,3cyclictest141rcu_preempt09:00:270
50251199246,3cyclictest141rcu_preempt09:00:260
50251199245,3cyclictest141rcu_preempt08:00:220
502516992310,6cyclictest547257-21apt-get09:00:171
502516992310,6cyclictest547257-21apt-get09:00:171
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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