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2026-06-21 - 14:29
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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 100 highest latencies:
System rack1slot3.osadl.org (updated Sun Jun 21, 2026 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
703422991616,0cyclictest0-21swapper/310:05:013
70342299159,1cyclictest0-21swapper/311:40:103
70342299140,12cyclictest0-21swapper/307:50:133
70342299130,2cyclictest798365-21taskset11:05:023
70342299130,12cyclictest0-21swapper/312:00:123
70342299130,11cyclictest0-21swapper/310:30:123
70342299130,11cyclictest0-21swapper/308:15:133
70342299127,1cyclictest0-21swapper/311:00:123
703422991211,0cyclictest0-21swapper/312:10:013
703422991211,0cyclictest0-21swapper/309:50:153
703422991210,1cyclictest0-21swapper/308:10:113
70342299120,1cyclictest0-21swapper/311:25:123
70342299120,11cyclictest0-21swapper/312:20:173
70342299120,11cyclictest0-21swapper/309:50:003
70342299120,11cyclictest0-21swapper/309:10:103
70342299120,11cyclictest0-21swapper/309:10:023
70342299120,11cyclictest0-21swapper/308:05:133
70342299118,1cyclictest0-21swapper/310:10:143
703422991111,0cyclictest0-21swapper/311:20:173
703422991110,0cyclictest0-21swapper/310:05:153
703422991110,0cyclictest0-21swapper/309:55:103
703422991110,0cyclictest0-21swapper/307:20:123
70342299110,10cyclictest0-21swapper/311:35:193
70342299110,10cyclictest0-21swapper/311:32:423
70342299110,0cyclictest0-21swapper/309:20:113
70342299110,0cyclictest0-21swapper/307:40:113
70342299110,0cyclictest0-21swapper/307:10:173
70342299109,0cyclictest0-21swapper/309:40:193
70342299108,1cyclictest0-21swapper/307:55:103
703422991010,0cyclictest0-21swapper/312:15:123
703422991010,0cyclictest0-21swapper/311:50:193
703422991010,0cyclictest0-21swapper/311:15:133
703422991010,0cyclictest0-21swapper/310:45:013
703422991010,0cyclictest0-21swapper/309:30:123
703422991010,0cyclictest0-21swapper/307:40:003
70342299100,0cyclictest0-21swapper/308:35:193
7021302101,6sleep30-21swapper/307:05:163
7034229999,0cyclictest0-21swapper/310:25:103
7034229998,0cyclictest0-21swapper/307:45:103
7034229990,8cyclictest0-21swapper/312:30:133
7034229990,8cyclictest0-21swapper/308:44:553
7034229988,0cyclictest0-21swapper/312:25:183
7034229988,0cyclictest0-21swapper/311:55:103
7034229988,0cyclictest0-21swapper/309:01:233
7034229988,0cyclictest0-21swapper/308:50:163
7034229988,0cyclictest0-21swapper/308:30:123
7034229988,0cyclictest0-21swapper/307:30:183
7034229987,0cyclictest0-21swapper/311:15:003
7034229987,0cyclictest0-21swapper/310:35:123
7034229987,0cyclictest0-21swapper/309:26:243
7034229980,8cyclictest0-21swapper/309:35:173
7034229980,3cyclictest0-21swapper/312:10:133
7034229977,0cyclictest0-21swapper/312:35:053
7034229977,0cyclictest0-21swapper/310:51:233
7034229977,0cyclictest0-21swapper/310:45:183
7034229977,0cyclictest0-21swapper/307:25:113
7034229970,7cyclictest0-21swapper/311:45:163
7034229970,0cyclictest0-21swapper/310:20:153
7034229966,0cyclictest0-21swapper/310:57:393
7034229966,0cyclictest0-21swapper/308:20:123
7034229964,1cyclictest0-21swapper/310:15:163
703018261,1sleep10-21swapper/107:06:301
821219252,2sleep0766-21snmpd11:56:390
715665250,1sleep0715692-21apt-get07:40:110
7034229955,0cyclictest0-21swapper/308:00:163
7034229953,1cyclictest742512-21turbostat08:50:013
7034229950,4cyclictest0-21swapper/307:15:183
703258253,1sleep20-21swapper/207:09:352
796303240,3sleep0796326-21awk11:00:110
775842240,3sleep0775903-21/usr/sbin/munin10:10:160
721151240,2sleep1721168-21apt-get07:55:011
7034229943,0cyclictest0-21swapper/309:15:103
7034229940,2cyclictest0-21swapper/308:55:113
7034229940,2cyclictest0-21swapper/308:25:123
836719230,1sleep2836749-21apt-get12:35:122
819238230,3sleep00-21swapper/011:52:310
815606230,1sleep0815632-21apt-get11:45:100
813524230,2sleep0813577-21head11:40:100
802291230,2sleep0802538-21date11:15:000
749476230,0sleep0749743-21/usr/sbin/munin09:05:200
740835230,1sleep0740861-21apt-get08:45:110
729416230,2sleep1729654-21cpuspeed_turbos08:15:141
705967231,1sleep0706027-21/usr/sbin/munin07:15:130
832255220,1sleep00-21swapper/012:24:370
830908220,1sleep2830990-21irqstats12:20:152
823694220,1sleep1823730-21munin-run12:05:021
814346220,1sleep2814498-21/usr/sbin/munin11:40:162
810247220,1sleep00-21swapper/011:30:170
805535220,1sleep0805691-21ntp_states11:20:170
803392220,0sleep10-21swapper/111:15:171
800103220,0sleep00-21swapper/011:09:040
794647220,1sleep1794199-21/usr/sbin/munin10:55:161
792272220,1sleep2792543-21df_inode10:50:132
783862220,1sleep00-21swapper/010:30:140
782326220,1sleep2782459-21ntp_states10:25:162
781436220,1sleep0781647-21cat10:25:010
781135220,0sleep10-21swapper/110:22:221
773083220,1sleep1773101-21perf10:05:021
767066220,1sleep2767092-21apt-get09:50:132
764722220,0sleep20-21swapper/209:45:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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