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2025-12-17 - 21:17
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackbslot2.osadl.org (updated Wed Dec 17, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23254232230200,19sleep30-21swapper/307:05:593
23256052227198,19sleep00-21swapper/007:08:170
23254972225196,19sleep20-21swapper/207:06:542
23256732221192,20sleep10-21swapper/107:09:111
259347621540,1sleep12593474-21ntpq12:15:201
232610899743,70cyclictest2391183-21kworker/u8:3+efi_rts_wq09:43:342
2326110996111,50cyclictest2391183-21kworker/u8:3+efi_rts_wq09:43:343
2326104995844,3cyclictest2564504-21chrome11:45:021
232609899562,53cyclictest2391183-21kworker/u8:3+efi_rts_wq09:43:330
2326108995449,4cyclictest2573383-21/usr/share/muni11:55:142
24178232510,2sleep12417815-21snmp_wlanswitch08:55:021
2326104994836,11cyclictest427-21jbd2/mmcblk0p2-807:45:011
2326108994734,2cyclictest2241337-1kworker/2:2H+kblockd12:20:182
2326098994643,1cyclictest2512414-21chrome10:45:020
25340522440,2chrt2534034-21snmp_wlanpowerc11:10:031
2326110994339,3cyclictest2415052-21apt-get08:50:123
2326104994341,1cyclictest2011478-1kworker/1:0H+kblockd09:25:481
2326108994238,3cyclictest2524326-21munin-limits10:55:282
2326108994234,7cyclictest2343613-21kworker/2:0+pm07:45:052
2326104994214,27cyclictest0-21swapper/109:10:141
2326098994238,3cyclictest2495630-21apt-get10:25:070
2326110994134,5cyclictest2348161-21munin-update07:35:043
2326108994137,3cyclictest2408544-21kworker/2:0+pm09:23:382
2326108994137,2cyclictest2559587-21kworker/2:2+pm11:40:032
2326108994137,2cyclictest2378203-21kworker/2:2+pm08:25:032
2326108994131,5cyclictest2343613-21kworker/2:0+pm07:30:182
2326098994137,3cyclictest2406968-21kworker/u8:0+flush-179:009:05:150
2326110994036,3cyclictest2373881-21kworker/u8:1+flush-179:008:20:163
2326110994036,3cyclictest2321098-21kworker/u8:5+flush-179:007:15:153
2326110994035,4cyclictest2586183-21/usr/share/muni12:10:103
2326108994037,2cyclictest2408544-21kworker/2:0+pm09:00:382
2326108994036,2cyclictest2473180-21kworker/2:2+pm10:35:042
2326108994035,3cyclictest2408544-21kworker/2:0+pm10:00:112
2326108994035,3cyclictest2408544-21kworker/2:0+pm09:10:042
2326108994029,11cyclictest1318-21snmpd10:28:542
2326108994011,2cyclictest0-21swapper/210:05:122
2326104994031,3cyclictest2011478-1kworker/1:0H+kblockd08:25:031
2326110993933,4cyclictest2417627-21/usr/share/muni08:55:153
2326108993937,1cyclictest2343613-21kworker/2:0+pm07:51:042
2326108993936,2cyclictest2598735-21kworker/2:1+pm12:30:562
2326108993936,2cyclictest2529336-21kworker/2:1+pm11:20:042
2326108993936,2cyclictest2408544-21kworker/2:0+pm09:55:262
2326108993936,2cyclictest2408544-21kworker/2:0+pm09:35:282
2326108993936,1cyclictest2559587-21kworker/2:2+pm11:45:092
2326108993935,2cyclictest2559587-21kworker/2:2+pm12:01:212
2326108993935,2cyclictest2529336-21kworker/2:1+pm11:10:022
2326108993935,2cyclictest2325726-21kworker/2:1+pm07:15:442
2326108993934,3cyclictest2241337-1kworker/2:2H+kblockd10:20:432
2326108993934,3cyclictest2241337-1kworker/2:2H+kblockd07:25:142
232610899390,2cyclictest2369342-31munin-html07:55:332
2326104993939,0cyclictest2346655-21awk07:30:151
2326098993937,1cyclictest2573106-21kworker/0:1+pm12:20:230
2326098993936,2cyclictest2502798-21kworker/u8:2+flush-179:012:25:160
2326098993936,2cyclictest2502798-21kworker/u8:2+flush-179:012:25:160
2326098993935,3cyclictest2320404-21kworker/u8:1+flush-179:007:20:150
232609899390,1cyclictest0-21swapper/007:30:150
2326110993834,2cyclictest1534571-1kworker/3:2H+kblockd12:31:143
2326110993834,2cyclictest1534571-1kworker/3:2H+kblockd09:00:053
2326110993833,4cyclictest2515585-21kworker/u8:1+flush-179:010:50:133
2326108993836,1cyclictest2378203-21kworker/2:2+pm08:40:542
2326108993836,1cyclictest2378203-21kworker/2:2+pm08:35:162
2326108993835,2cyclictest2598735-21kworker/2:1+pm12:25:042
2326108993835,2cyclictest2598735-21kworker/2:1+pm12:25:042
2326108993835,2cyclictest2529336-21kworker/2:1+pm11:30:042
2326108993835,2cyclictest2473180-21kworker/2:2+pm10:30:552
2326108993835,2cyclictest2408544-21kworker/2:0+pm08:50:062
2326108993835,2cyclictest2378203-21kworker/2:2+pm08:20:032
2326108993835,2cyclictest2317714-21kworker/2:2+pm07:10:042
2326108993834,2cyclictest2241337-1kworker/2:2H+kblockd12:36:012
2326108993833,3cyclictest2408544-21kworker/2:0+pm08:55:292
2326108993833,3cyclictest2408544-21kworker/2:0+pm08:45:132
2326108993831,6cyclictest2473180-21kworker/2:2+pm10:10:282
2326108993811,2cyclictest2559223-31munin-html11:35:302
2326098993836,2cyclictest2502798-21kworker/u8:2+flush-179:012:00:110
2326110993734,2cyclictest1534571-1kworker/3:2H+kblockd11:08:183
2326110993734,2cyclictest1534571-1kworker/3:2H+kblockd09:15:283
2326110993734,2cyclictest1534571-1kworker/3:2H+kblockd08:03:433
2326110993732,4cyclictest2521011-21/usr/share/muni10:55:163
2326108993735,1cyclictest2559587-21kworker/2:2+pm12:11:012
2326108993735,1cyclictest2529336-21kworker/2:1+pm11:25:162
2326108993735,1cyclictest2378203-21kworker/2:2+pm08:16:052
2326108993734,2cyclictest2473180-21kworker/2:2+pm10:15:042
2326108993734,2cyclictest2408544-21kworker/2:0+pm09:45:552
2326108993734,2cyclictest2241337-1kworker/2:2H+kblockd11:09:532
2326108993734,2cyclictest2241337-1kworker/2:2H+kblockd09:15:122
2326108993733,3cyclictest2559587-21kworker/2:2+pm12:15:022
2326108993731,5cyclictest1318-21snmpd09:54:532
2326108993730,6cyclictest2408544-21kworker/2:0+pm09:25:102
2326104993735,1cyclictest2352106-21kworker/1:1+pm08:47:581
2326104993734,2cyclictest2391183-21kworker/u8:3+events_unbound10:33:341
2326104993734,2cyclictest2011478-1kworker/1:0H+kblockd07:50:291
2326104993731,4cyclictest2375427-21ntpq08:05:091
2326098993734,2cyclictest2326403-1kworker/0:2H+kblockd08:05:150
2326098993732,4cyclictest2518847-21ntpq10:50:150
2326110993634,1cyclictest1534571-1kworker/3:2H+kblockd11:58:493
2326110993634,1cyclictest1534571-1kworker/3:2H+kblockd09:36:063
2326110993633,2cyclictest1534571-1kworker/3:2H+kblockd11:44:073
2326110993633,2cyclictest1534571-1kworker/3:2H+kblockd08:05:103
2326110993632,2cyclictest1534571-1kworker/3:2H+kblockd07:30:593
2326108993634,1cyclictest2473180-21kworker/2:2+pm11:01:412
2326108993634,1cyclictest2241337-1kworker/2:2H+kblockd11:51:012
2326108993633,2cyclictest2343613-21kworker/2:0+pm08:10:032
2326108993633,2cyclictest2241337-1kworker/2:2H+kblockd10:49:002
2326108993633,2cyclictest2241337-1kworker/2:2H+kblockd09:30:012
2326108993632,3cyclictest2241337-1kworker/2:2H+kblockd09:05:002
2326108993627,8cyclictest2241337-1kworker/2:2H+kblockd08:05:042
232610899360,3cyclictest2585083-21ntpq12:05:362
2326104993634,1cyclictest2011478-1kworker/1:0H+kblockd11:06:221
2326104993633,2cyclictest2011478-1kworker/1:0H+kblockd08:43:291
2326104993633,2cyclictest0-21swapper/109:40:111
2326104993633,1cyclictest2011478-1kworker/1:0H+kblockd07:40:371
2326104993633,1cyclictest2011478-1kworker/1:0H+kblockd07:40:371
2326104993629,5cyclictest2464867-21/usr/share/muni09:50:021
2326098993634,1cyclictest2460507-1kworker/0:0H+kblockd11:00:090
2326098993633,2cyclictest2554679-21kworker/u8:0+events_unbound11:40:050
2326098993633,2cyclictest2460507-1kworker/0:0H+kblockd10:20:030
2326110993533,1cyclictest1534571-1kworker/3:2H+kblockd10:12:553
2326110993533,1cyclictest1534571-1kworker/3:2H+kblockd10:01:273
2326110993533,1cyclictest1534571-1kworker/3:2H+kblockd07:11:393
2326110993532,2cyclictest1534571-1kworker/3:2H+kblockd10:45:013
2326110993532,2cyclictest1534571-1kworker/3:2H+kblockd10:05:033
2326110993532,2cyclictest1534571-1kworker/3:2H+kblockd08:35:113
2326110993532,2cyclictest1534571-1kworker/3:2H+kblockd08:17:073
2326110993531,3cyclictest2440132-21apt-get09:20:083
2326108993533,1cyclictest2325726-21kworker/2:1+pm07:24:502
2326108993532,2cyclictest2343613-21kworker/2:0+pm07:38:422
2326108993532,2cyclictest2241337-1kworker/2:2H+kblockd11:16:372
2326108993532,2cyclictest2241337-1kworker/2:2H+kblockd11:16:372
2326108993532,2cyclictest2241337-1kworker/2:2H+kblockd08:33:112
2326108993531,2cyclictest2520404-31munin-graph10:50:522
232610899350,3cyclictest2373641-31munin-graph08:00:592
2326104993533,1cyclictest2502937-21kworker/1:2+pm10:53:071
2326104993533,1cyclictest2198237-21kworker/1:1+pm07:13:531
2326104993533,1cyclictest2011478-1kworker/1:0H+kblockd08:14:231
2326104993532,2cyclictest2011478-1kworker/1:0H+kblockd12:31:231
2326104993532,2cyclictest2011478-1kworker/1:0H+kblockd09:45:421
2326104993532,2cyclictest2011478-1kworker/1:0H+kblockd08:20:091
2326104993531,3cyclictest2512313-13Chrome_IOThread10:45:021
2326104993529,4cyclictest2525296-21/usr/share/muni11:00:001
2326098993534,1cyclictest2326403-1kworker/0:2H+kblockd09:21:240
2326098993533,1cyclictest2460507-1kworker/0:0H+kblockd10:06:070
2326098993532,2cyclictest2550306-21kworker/u8:1+flush-179:011:50:070
2326098993532,2cyclictest2507262-21kworker/u8:0+flush-179:010:40:170
2326098993532,2cyclictest2460507-1kworker/0:0H+kblockd12:35:300
2326098993532,2cyclictest2460507-1kworker/0:0H+kblockd09:53:110
2326098993531,3cyclictest2502798-21kworker/u8:2+events_unbound10:40:010
2326098993531,2cyclictest2326403-1kworker/0:2H+kblockd08:40:030
2326098993531,2cyclictest2326403-1kworker/0:2H+kblockd07:25:160
2326098993530,4cyclictest2538069-21/usr/share/muni11:15:050
2326098993530,4cyclictest2538069-21/usr/share/muni11:15:050
2326110993431,2cyclictest1534571-1kworker/3:2H+kblockd12:19:343
2326110993431,2cyclictest1534571-1kworker/3:2H+kblockd11:26:183
2326110993431,2cyclictest1534571-1kworker/3:2H+kblockd10:45:093
2326108993431,2cyclictest2473180-21kworker/2:2+pm10:40:052
2326104993432,1cyclictest2011478-1kworker/1:0H+kblockd10:56:021
2326104993431,2cyclictest2011478-1kworker/1:0H+kblockd11:15:371
2326104993431,2cyclictest2011478-1kworker/1:0H+kblockd11:15:371
2326104993431,2cyclictest2011478-1kworker/1:0H+kblockd09:17:001
2326104993430,3cyclictest2011478-1kworker/1:0H+kblockd08:50:041
2326104993429,3cyclictest2336701-21awk07:20:071
2326098993433,1cyclictest2481740-21kworker/0:0+pm10:58:100
2326098993433,1cyclictest2460507-1kworker/0:0H+kblockd11:38:070
2326098993432,1cyclictest2460507-1kworker/0:0H+kblockd10:17:010
2326098993432,1cyclictest2326403-1kworker/0:2H+kblockd08:31:150
2326098993432,1cyclictest2326403-1kworker/0:2H+kblockd07:35:210
2326098993431,2cyclictest2356969-13chrome07:45:000
2326098993431,2cyclictest2326403-1kworker/0:2H+kblockd09:30:040
2326098993430,3cyclictest2607412-21open_files12:35:010
2326110993331,1cyclictest2403689-21kworker/3:0+pm08:42:063
2326110993331,1cyclictest1534571-1kworker/3:2H+kblockd07:27:333
2326110993330,2cyclictest1534571-1kworker/3:2H+kblockd12:25:153
2326110993330,2cyclictest1534571-1kworker/3:2H+kblockd12:25:153
2326110993330,2cyclictest1534571-1kworker/3:2H+kblockd11:00:163
2326110993330,2cyclictest1534571-1kworker/3:2H+kblockd08:14:523
2326110993328,4cyclictest2343553-21kworker/u8:3+flush-179:007:50:143
2326110993318,14cyclictest2360333-21ntpq07:45:203
2326108993329,3cyclictest66610-21ntpd07:43:352
2326108993329,3cyclictest66610-21ntpd07:43:352
2326104993332,1cyclictest2455965-21kworker/1:0+pm10:16:121
2326104993332,0cyclictest66610-21ntpd10:23:351
2326104993330,2cyclictest2502798-21kworker/u8:2+events_unbound11:42:221
2326104993330,2cyclictest2011478-1kworker/1:0H+kblockd12:36:331
2326104993330,2cyclictest2011478-1kworker/1:0H+kblockd11:25:051
2326104993326,5cyclictest2573382-21/usr/share/muni11:55:031
2326098993331,1cyclictest2460507-1kworker/0:0H+kblockd10:31:450
2326098993330,2cyclictest2460507-1kworker/0:0H+kblockd12:11:120
2326098993330,2cyclictest2451239-21kworker/u8:4+flush-179:009:35:140
2326098993330,2cyclictest2326403-1kworker/0:2H+kblockd07:51:000
2326098993330,2cyclictest2326403-1kworker/0:2H+kblockd07:40:420
2326098993330,2cyclictest2326403-1kworker/0:2H+kblockd07:40:420
2326110993230,1cyclictest1318-21snmpd11:50:093
2326110993230,1cyclictest1318-21snmpd09:27:383
2326110993229,2cyclictest2507262-21kworker/u8:0+events_unbound11:15:133
2326110993229,2cyclictest2507262-21kworker/u8:0+events_unbound11:15:133
2326110993229,2cyclictest2421501-21kworker/3:1+pm11:20:283
2326110993229,2cyclictest1534571-1kworker/3:2H+kblockd09:50:033
2326110993219,1cyclictest1318-21snmpd09:34:143
2326104993230,1cyclictest1318-21snmpd10:06:151
2326104993229,2cyclictest2578661-21awk12:00:061
2326104993229,2cyclictest2011478-1kworker/1:0H+kblockd12:11:281
2326104993229,2cyclictest2011478-1kworker/1:0H+kblockd08:34:241
2326104993229,2cyclictest1318-21snmpd10:36:551
2326098993231,1cyclictest2312981-21kworker/0:2+pm09:28:510
2326098993230,1cyclictest1318-21snmpd11:45:450
2326098993230,1cyclictest1318-21snmpd11:29:040
2326098993230,1cyclictest1318-21snmpd11:23:160
2326098993230,1cyclictest1318-21snmpd08:55:270
2326098993230,1cyclictest1318-21snmpd08:15:000
2326098993229,2cyclictest2326403-1kworker/0:2H+kblockd08:35:270
2326110993130,1cyclictest1534571-1kworker/3:2H+kblockd10:34:313
2326110993129,1cyclictest64742-21isc-net-000011:37:373
2326110993129,1cyclictest2506112-21awk10:35:163
2326110993129,1cyclictest1534571-1kworker/3:2H+kblockd12:05:173
2326110993129,1cyclictest1318-21snmpd11:32:293
2326110993128,2cyclictest1534571-1kworker/3:2H+kblockd09:45:083
2326110993127,3cyclictest2408939-21CacheThread_Blo08:45:003
2326104993129,1cyclictest1318-21snmpd09:03:281
2326104993128,2cyclictest2011478-1kworker/1:0H+kblockd11:50:101
2326104993128,2cyclictest2011478-1kworker/1:0H+kblockd07:17:011
2326104993125,5cyclictest2555545-21/usr/share/muni11:35:021
2326098993130,1cyclictest2460507-1kworker/0:0H+kblockd11:06:280
2326098993129,1cyclictest2411946-21awk08:45:180
2326098993129,1cyclictest1318-21snmpd11:55:420
2326098993129,1cyclictest1318-21snmpd10:10:530
2326098993129,1cyclictest1318-21snmpd09:56:140
2326098993129,1cyclictest1318-21snmpd07:15:070
2326098993129,1cyclictest1318-21snmpd07:11:370
2326098993128,2cyclictest1318-21snmpd09:12:310
2326098993127,3cyclictest2394941-21munin-limits08:25:280
2326110993030,0cyclictest1318-21snmpd07:42:113
2326110993030,0cyclictest1318-21snmpd07:42:103
2326110993029,0cyclictest1318-21snmpd07:58:163
2326110993028,1cyclictest2536650-21awk11:10:173
2326110993028,1cyclictest1318-21snmpd07:24:343
2326110993027,2cyclictest1534571-1kworker/3:2H+kblockd10:28:243
2326110993026,2cyclictest1534571-1kworker/3:2H+kblockd11:45:103
2326104993029,0cyclictest1318-21snmpd11:23:441
2326104993029,0cyclictest1318-21snmpd09:05:161
2326104993028,1cyclictest2552500-21awk11:30:121
2326104993028,1cyclictest2368541-21awk07:55:191
2326104993028,1cyclictest2011478-1kworker/1:0H+kblockd08:35:281
2326104993028,1cyclictest1318-21snmpd12:29:011
2326104993028,1cyclictest1318-21snmpd12:29:011
2326104993028,1cyclictest1318-21snmpd10:04:151
2326104993028,1cyclictest1318-21snmpd09:32:071
2326104993028,1cyclictest1318-21snmpd08:17:001
2326104993027,2cyclictest1318-21snmpd08:00:081
2326104993025,4cyclictest2582171-21ntpq12:05:041
2326104993017,12cyclictest1318-21snmpd10:13:331
2326098993029,1cyclictest1318-21snmpd08:20:570
2326098993028,1cyclictest66610-21ntpd09:03:340
2326098993027,2cyclictest2460507-1kworker/0:0H+kblockd09:45:050
2326098993027,2cyclictest2365159-21kworker/u8:1+events_unbound07:55:130
2326098993027,2cyclictest2326403-1kworker/0:2H+kblockd08:16:280
2326110992929,0cyclictest1318-21snmpd08:33:453
2326110992929,0cyclictest1318-21snmpd08:26:243
2326110992928,1cyclictest1318-21snmpd12:00:423
2326110992927,1cyclictest1318-21snmpd09:10:463
2326110992926,2cyclictest2608579-21awk12:35:073
2326104992928,0cyclictest1318-21snmpd10:28:431
2326104992927,2cyclictest2502798-21kworker/u8:2+events_unbound12:20:201
2326104992927,1cyclictest2330589-21kworker/1:2+pm07:38:251
2326104992927,1cyclictest1318-21snmpd09:37:551
2326104992923,4cyclictest2443063-21latency_hist09:25:001
2326104992917,11cyclictest1318-21snmpd09:55:211
2326098992929,0cyclictest1318-21snmpd12:18:270
2326098992929,0cyclictest1318-21snmpd09:15:100
2326098992927,1cyclictest1318-21snmpd12:05:280
2326098992927,1cyclictest1318-21snmpd11:13:490
2326098992927,1cyclictest1318-21snmpd10:02:500
2326098992926,2cyclictest2352114-21kworker/u8:2+flush-179:008:00:050
2326098992923,5cyclictest2413369-21/usr/share/muni08:50:010
2326110992828,0cyclictest1318-21snmpd09:55:293
2326104992827,1cyclictest2455965-21kworker/1:0+pm10:41:251
2326110992722,4cyclictest2491629-21apt-get10:20:073
2326104992725,1cyclictest1318-21snmpd07:26:511
2326110992624,1cyclictest1318-21snmpd12:21:483
2326110992624,1cyclictest1318-21snmpd09:08:063
2326098992524,0cyclictest1318-21snmpd11:32:330
2326110992323,0cyclictest2487757-21awk10:15:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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