[G3 Android Development] mostafaz:
Thx for help

here is a part of your system log

[ 127.227491 / 08-09 18:04:12.008] lowmemorykiller: send sigkill to 5894 (android.vending), adj 1000, size 23966
[ 127.522812 / 08-09 18:04:12.298] lowmemorykiller: send sigkill to 5984 (android.gms:car), adj 1000, size 21777
[ 127.648495 / 08-09 18:04:12.428] lowmemorykiller: send sigkill to 5915 (id.apps.fitness), adj 1000, size 21717
[ 127.677976 / 08-09 18:04:12.458] lowmemorykiller: send sigkill to 6043 (om.lge.cloudhub), adj 1000, size 19002
[ 127.808073 / 08-09 18:04:12.588] lowmemorykiller: send sigkill to 6107 (.lge.drmservice), adj 1000, size 18573
[ 128.059674 / 08-09 18:04:12.838] lowmemorykiller: send sigkill to 6071 (d.configupdater), adj 1000, size 18390
[ 128.087989 / 08-09 18:04:12.868] lowmemorykiller: send sigkill to 6206 (e.settings.easy), adj 1000, size 18157
[ 128.217716 / 08-09 18:04:12.998] lowmemorykiller: send sigkill to 6227 (kscreensettings), adj 1000, size 18666
[ 128.347507 / 08-09 18:04:13.128] lowmemorykiller: send sigkill to 6011 (gedprovisioning), adj 1000, size 17975
[ 128.377309 / 08-09 18:04:13.158] lowmemorykiller: send sigkill to 6155 (.lge.hiddenmenu), adj 1000, size 17942
[ 128.511336 / 08-09 18:04:13.288] lowmemorykiller: send sigkill to 6130 (ge.gnss.airtest), adj 1000, size 17893
[ 128.539261 / 08-09 18:04:13.318] lowmemorykiller: send sigkill to 6267 (droid.gallery3d), adj 764, size 19336
[ 128.702033 / 08-09 18:04:13.478] lowmemorykiller: send sigkill to 6293 (android.youtube), adj 1000, size 27755
[ 129.150693 / 08-09 18:04:13.928] lowmemorykiller: send sigkill to 5873 (le.android.keep), adj 1000, size 22682
[ 129.256682 / 08-09 18:04:14.028] lowmemorykiller: send sigkill to 6249 (com.lge.eula), adj 1000, size 18393
[ 129.353701 / 08-09 18:04:14.128] lowmemorykiller: send sigkill to 6584 (droid.apps.maps), adj 764, size 22414
[ 129.657318 / 08-09 18:04:14.438] IRQ40 no longer affine to CPU2
[ 131.247180 / 08-09 18:04:16.028] cpufreq: low batt limitation is clear by thermal
[ 131.977418 / 08-09 18:04:16.758] lowmemorykiller: send sigkill to 6660 (.TitaniumBackup), adj 764, size 21703
[ 132.167522 / 08-09 18:04:16.948] lowmemorykiller: send sigkill to 6703 (om.skype.raider), adj 1000, size 29334
[ 132.599541 / 08-09 18:04:17.378] lowmemorykiller: send sigkill to 6528 (id.partnersetup), adj 1000, size 18149
[ 133.080154 / 08-09 18:04:17.858] lowmemorykiller: send sigkill to 6775 (ttorrent.client), adj 1000, size 20761
[ 133.208424 / 08-09 18:04:17.988] lowmemorykiller: send sigkill to 6818 (id.apps.fitness), adj 1000, size 19018
[ 133.337873 / 08-09 18:04:18.118] lowmemorykiller: send sigkill to 6887 (ent.mm:exdevice), adj 764, size 20771
[ 133.554764 / 08-09 18:04:18.328] lowmemorykiller: send sigkill to 6627 (ndroid.calendar), adj 764, size 23887
[ 133.704235 / 08-09 18:04:18.478] lowmemorykiller: send sigkill to 6923 (w.com.quickmark), adj 1000, size 19425
[ 133.829433 / 08-09 18:04:18.608] lowmemorykiller: send sigkill to 6842 (repetitouch.pro), adj 1000, size 18376
[ 133.958482 / 08-09 18:04:18.738] lowmemorykiller: send sigkill to 6395 (viders.calendar), adj 764, size 19337
[ 134.087139 / 08-09 18:04:18.868] lowmemorykiller: send sigkill to 6956 (ingService.LUCK), adj 764, size 18650
[ 134.099443 / 08-09 18:04:18.878] init: untracked pid 6983 killed by signal 9
[ 134.117231 / 08-09 18:04:18.898] lowmemorykiller: send sigkill to 6991 (net.muik.days), adj 647, size 18226
[ 134.247124 / 08-09 18:04:19.028] lowmemorykiller: send sigkill to 7024 (le.android.keep), adj 529, size 21739
[ 143.456938 / 08-09 18:04:28.238] lowmemorykiller: send sigkill to 7725 (ingService.LUCK), adj 529, size 18481
[ 143.487020 / 08-09 18:04:28.268] lowmemorykiller: send sigkill to 7560 (d.animationutil), adj 470, size 24856
[ 143.516994 / 08-09 18:04:28.298] lowmemorykiller: send sigkill to 1899 (d.process.acore), adj 470, size 22137
[ 143.546996 / 08-09 18:04:28.328] lowmemorykiller: send sigkill to 3991 (lcomm.telephony), adj 470, size 18024
[ 143.577017 / 08-09 18:04:28.358] lowmemorykiller: send sigkill to 7206 (facebook.katana), adj 294, size 36719

[ 76.556933 / 08-09 18:03:21.338] cpu-boost: cpu-boost:Invalid load: 120
[ 76.607183 / 08-09 18:03:21.388] cpu-boost: cpu-boost:Invalid load: 115
[ 76.876918 / 08-09 18:03:21.658] cpu-boost: cpu-boost:Invalid load: 126
[ 76.916926 / 08-09 18:03:21.698] cpu-boost: cpu-boost:Invalid load: 115
[ 77.416913 / 08-09 18:03:22.198] cpu-boost: cpu-boost:Invalid load: 138
[ 77.536906 / 08-09 18:03:22.318] cpu-boost: cpu-boost:Invalid load: 144
[ 77.546896 / 08-09 18:03:22.328] cpu-boost: cpu-boost:Invalid load: 128
[ 77.586931 / 08-09 18:03:22.368] cpu-boost: cpu-boost:Invalid load: 376
[ 77.586940 / 08-09 18:03:22.368] cpu-boost: cpu-boost:Invalid load: 243
[ 77.596937 / 08-09 18:03:22.378] cpu-boost: cpu-boost:Invalid load: 179
[ 77.816912 / 08-09 18:03:22.598] cpu-boost: cpu-boost:Invalid load: 156
[ 77.836933 / 08-09 18:03:22.618] cpu-boost: cpu-boost:Invalid load: 340
[ 77.856924 / 08-09 18:03:22.638] cpu-boost: cpu-boost:Invalid load: 177
[ 77.866902 / 08-09 18:03:22.648] cpu-boost: cpu-boost:Invalid load: 150
[ 77.946911 / 08-09 18:03:22.728] cpu-boost: cpu-boost:Invalid load: 175
[ 78.006900 / 08-09 18:03:22.788] cpu-boost: cpu-boost:Invalid load: 140
[ 78.146939 / 08-09 18:03:22.928] cpu-boost: cpu-boost:Invalid load: 240
[ 78.146955 / 08-09 18:03:22.928] cpu-boost: cpu-boost:Invalid load: 339
[ 78.186895 / 08-09 18:03:22.968] cpu-boost: cpu-boost:Invalid load: 169
[ 78.236971 / 08-09 18:03:23.018] cpu-boost: cpu-boost:Invalid load: 468
[ 78.256909 / 08-09 18:03:23.038] cpu-boost: cpu-boost:Invalid load: 112
[ 78.266919 / 08-09 18:03:23.048] cpu-boost: cpu-boost:Invalid load: 191
[ 78.336937 / 08-09 18:03:23.118] cpu-boost: cpu-boost:Invalid load: 475
[ 78.396969 / 08-09 18:03:23.178] cpu-boost: cpu-boost:Invalid load: 938
[ 78.406928 / 08-09 18:03:23.188] cpu-boost: cpu-boost:Invalid load: 938
[ 78.456909 / 08-09 18:03:23.238] cpu-boost: cpu-boost:Invalid load: 172
[ 78.466906 / 08-09 18:03:23.248] cpu-boost: cpu-boost:Invalid load: 370
[ 78.476917 / 08-09 18:03:23.258] cpu-boost: cpu-boost:Invalid load: 367
[ 78.596923 / 08-09 18:03:23.378] cpu-boost: cpu-boost:Invalid load: 169
[ 78.636917 / 08-09 18:03:23.418] cpu-boost: cpu-boost:Invalid load: 307
[ 78.676914 / 08-09 18:03:23.458] cpu-boost: cpu-boost:Invalid load: 169
[ 78.696944 / 08-09 18:03:23.478] cpu-boost: cpu-boost:Invalid load: 370

please tell me your config and monitor ram usage !

why lmk tried to kill apps ? ;)

Which rom you are on ?

seems it's not kernel, it's your config or system ( rom,app,...)