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2026-05-14 - 10:33
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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 rack2slot0.osadl.org (updated Thu May 14, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221952940,0sleep222192-21lspci00:34:342
4592830,0sleep3391rcuc/300:29:553
244882760,0sleep024487-21/usr/sbin/munin22:20:140
60922570,0sleep00-21swapper/023:42:420
80662550,0sleep3391rcuc/322:27:143
90842540,0sleep3391rcuc/321:34:183
206372530,0sleep0111rcuc/021:32:080
202762530,0sleep30-21swapper/323:46:413
240492520,1sleep324047-21lspci22:03:273
194462520,0sleep30-21swapper/300:09:043
187422520,0sleep00-21swapper/021:49:010
84752510,0sleep30-21swapper/322:38:313
56672510,1sleep00-21swapper/022:18:380
167132510,0sleep10-21swapper/122:25:121
80272500,1sleep2321ktimersoftd/222:21:362
287872500,1sleep228784-21lspci23:16:402
64752490,1sleep36461-21bash23:17:333
272812490,0sleep10-21swapper/121:52:321
207172490,0sleep10-21swapper/123:01:571
174362480,1sleep0699-21gdbus23:52:030
247422470,0sleep00-21swapper/000:26:190
1461224728,7sleep00-21swapper/019:07:170
28012460,0sleep00-21swapper/021:44:540
51002410,0sleep30-21swapper/323:39:523
112262410,1sleep0642-21systemd-logind23:20:430
244652400,1sleep11494199cyclictest23:47:031
28972370,0sleep10-21swapper/121:22:021
145002309,7sleep10-21swapper/119:05:541
1452722412,7sleep30-21swapper/319:06:163
1480222310,7sleep20-21swapper/219:09:442
84992200,0sleep00-21swapper/023:09:210
212032190,0sleep10-21swapper/123:41:091
51592180,1sleep35157-21sshd00:38:403
251572180,0sleep20-21swapper/221:32:412
5752170,0sleep2321ktimersoftd/200:18:402
28032170,1sleep3649-21polkitd22:52:023
260652170,1sleep3401ktimersoftd/322:40:043
14952991711,5cyclictest1-21systemd23:59:463
302672160,1sleep20-21swapper/221:44:272
29902160,1sleep12988-21bash21:44:551
296802160,0sleep10-21swapper/121:58:201
19522160,0sleep20-21swapper/222:51:572
18702160,0sleep10-21swapper/122:04:211
161102160,1sleep01-21systemd23:49:100
1494199165,8cyclictest642-21systemd-logind00:38:171
1494199162,5cyclictest674-21dbus-daemon00:30:161
1494199160,5cyclictest24109-21sshd00:15:071
1494199160,15cyclictest10357-21sshd22:58:171
124242160,0sleep2311rcuc/222:02:262
324722150,1sleep032468-21sshd21:52:590
182882150,1sleep118289-21sshd23:12:591
16752150,0sleep00-21swapper/021:17:580
14948991515,0cyclictest527-40kipmi021:45:392
1494199152,9cyclictest674-21dbus-daemon22:50:421
1494199152,6cyclictest649-21polkitd22:50:011
1494199150,8cyclictest649-21polkitd00:04:231
1494199150,7cyclictest31392-21sshd23:22:301
1494199150,6cyclictest674-21dbus-daemon23:33:001
1494199150,6cyclictest674-21dbus-daemon00:27:331
1494199150,6cyclictest2107-21grep23:50:401
1494199150,5cyclictest29979-21gdbus23:08:311
1494199150,14cyclictest32231-21lspci22:18:071
14312150,0sleep00-21swapper/023:25:270
260622140,0sleep20-21swapper/223:58:262
221002140,1sleep0111rcuc/022:36:530
1494199143,8cyclictest699-21gdbus23:15:371
1494199142,6cyclictest642-21systemd-logind22:41:481
1494199142,5cyclictest674-21dbus-daemon22:38:191
1494199142,5cyclictest642-21systemd-logind23:26:261
1494199140,8cyclictest674-21dbus-daemon21:17:121
1494199140,6cyclictest674-21dbus-daemon22:05:371
1494199140,6cyclictest3867-21sshd22:24:061
1494199140,6cyclictest25662-21sshd22:14:461
1494199140,6cyclictest14522-21cp23:35:041
1494199140,6cyclictest11708-21sshd22:30:201
1494199140,13cyclictest29401-21bash21:13:261
14935991412,1cyclictest674-21dbus-daemon22:28:250
155732130,0sleep315575-21bash21:51:293
1495299130,12cyclictest674-21dbus-daemon22:23:053
1494899134,1cyclictest33-21ksoftirqd/223:47:582
14948991311,1cyclictest0-21swapper/222:31:182
1494899130,1cyclictest29979-21gdbus23:07:592
1494899130,12cyclictest0-21swapper/222:47:082
1494199134,5cyclictest674-21dbus-daemon21:35:161
1494199133,7cyclictest649-21polkitd00:10:091
1494199132,6cyclictest29979-21gdbus21:45:231
1494199130,6cyclictest642-21systemd-logind23:58:181
1494199130,6cyclictest29979-21gdbus00:05:531
1494199130,5cyclictest3943-21bash21:33:521
1494199130,5cyclictest17899-21/usr/sbin/munin00:20:201
1493599135,4cyclictest6736-21sshd23:40:000
76792120,0sleep30-21swapper/300:19:163
1495299126,5cyclictest18329-21sshd23:43:463
1495299125,6cyclictest660-21avahi-daemon00:34:503
1495299125,2cyclictest660-21avahi-daemon23:01:253
1495299125,2cyclictest660-21avahi-daemon21:57:383
1495299124,7cyclictest649-21polkitd22:06:413
1495299124,1cyclictest6030-21sshd22:46:413
1495299123,3cyclictest642-21systemd-logind00:24:053
1495299120,1cyclictest1395-21id21:25:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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