https://briansnelson.com/index.php?action=history&feed=atom&title=How_to_find_user_memory_usage_in_linux 2026-06-04T07:09:17Z Revision history for this page on the wiki MediaWiki 1.24.1 https://briansnelson.com/index.php?title=How_to_find_user_memory_usage_in_linux&diff=848&oldid=prev 2015-07-09T16:33:24Z

<p>Created page with &quot;==How to find user memory usage in linux== Finding out who/what is using the most memory is vital when trying to figure out is causing your system to run out of memory. Ther...&quot;</p> <p><b>New page</b></p><div>==How to find user memory usage in linux==<br /> <br /> Finding out who/what is using the most memory is vital when trying to figure out is causing your system to run out of memory.<br /> <br /> There are many ways to figure out what is using the most memory.<br /> <br /> ===1) Find out what is using the most memory===<br /> <br /> for USER in $(ps haux | awk '{print $1}' | sort -u); do ps haux | awk -v user=$USER '$1 ~ user { sum += $4} END { print user, sum; }' ; done<br /> <br /> ===2) Find out what is using the most memory in percent===<br /> <br /> TOTAL=$(free | awk '/Mem:/ { print $2 }'); for USER in $(ps haux | awk '{print $1}' | sort -u); do ps hux -U $USER | awk -v user=$USER -v total=$TOTAL '{ sum += $6 } END { printf &quot;%s %.2f\n&quot;, user, sum / total * 100; }'; done<br /> <br /> ===3) If your system supports, try to install and use smem:===<br /> <br /> smem -u<br /> <br /> User Count Swap USS PSS RSS <br /> gdm 1 0 308 323 820 <br /> nobody 1 0 912 932 2240 <br /> root 76 0 969016 1010829 1347768 <br /> <br /> or<br /> <br /> smem -u -t -k<br /> <br /> User Count Swap USS PSS RSS <br /> gdm 1 0 308.0K 323.0K 820.0K <br /> nobody 1 0 892.0K 912.0K 2.2M <br /> root 76 0 937.6M 978.5M 1.3G <br /> ameskaas 46 0 1.2G 1.2G 1.5G</div>

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