View User/process memory in AIX

AIX details user/process memory usage Description: topas indicates that % comp memory is used 98% Problem Analysis: 1, process ps aux | head-1; ps aux | sort-rn + 3 | head-10 in ascending order of 10 memory usage. For details, see process: ps-ealf | head-1; ps-ealf | sort-rn + 9 | head-10 # ps aux | head-1; ps aux | sort-rn + 3 | head-10 user pid % CPU % mem sz rss tty stat stime time COMMANDroot 6553834 0.1 3.0 115064 115080-A Feb 20 86: 08/var/opt/tivoliroot 5701730 0.0 1.0 17480 21956-A Mar 05 1: 17/opt/BESClient/pconsole 4456680 0.0 1.0 42456 42464-A Feb 20 11:29:26/usr/java5/bin/root 6750376 0.0 0.0 796 pts/0 A ps aux root 824 0.0 0.0 260 268-A Mar 13 11:29:26 auditbin root 6357208 0.0 0.0 236 pts/0 A sort-rn + 3 root 248 5963962 0.0 0.0-A Feb 20/usr /sbin/rsct/root 5832798 0.0 0.0 836-A 11:29:12 telnetd-a root 856 5570748 0. 0 2128 2096-A Feb 20/usr/sbin/rsct/root 5308652 0.0 0.0 7328 7436-A Feb 20 01/usr/sbin/rsct/2, view memory usage # ps aux | head-1; ps aux | grep topas based on a command or process name. For details, see: user pid % CPU % mem sz rss tty stat stime time COMMANDroot 2359426 0.0 0.0 1440-A Feb 20 11:36:45/usr/bin/topasrroot 1272 6160578 0.0 0.0 252 pts/0 grep topas, but sometimes ps aux does not show in detail the full usage of the process. 3, the root user svmon can be used to analyze Out-of-memory usage # svmon-G size inuse free pin virtual mmodememory 1048576 1037487 11089 229668 378796 Dedpg space 2097152 2360 work pers clnt otherpin 196952 0 0 32716in use 378796 0 658691 PageSize PoolSize inuse pgsp pin als 4 KB-793327 2360 49188 134636 m 64 KB-15260 0 11280 inuse: is the physical memory usage, which is measured in 4 K, so 1037487*4096 = 4249546752 (424 M) virtual: is the virtual memory usage, which is measured in 4 K, so 378796*4096 = 1551548416 (155 M) 4. display the three processes that use the maximum physical memory: # svmon-uP-t 3 | grep-p Pid | grep' ^. * [0-9] '2017 java 6553834 51279 0 8917 n y n 50938 java 4456680 34626 0 8874 n y n 34608 BESClient 5701730 29564 8882 0 25689 y n output format order is Pid command Inuse Pin Pgsp Virtual 64-bit Mthrd can calculate the actual memory used by the X program as 51279 × 4096 = 210038784, it is about 210 MB 5, and displays the three processes that use the most physical memory in the SWAp zone # svmon-gP-t 3 | grep-p Pid | grep & apos; ^. * [0-9] & apos; 1966206 shlap64 26782 8880 0 26771 Y N N 0 swapper 9872 8912 0 9872 y n 1 init 22094 8836 0 22076 N the first program X uses a swap zone of approximately 26782X4096 = 10510336 bytes, about 10 MB space 6, display the most used segments every three seconds # svmon-S-t 3-I 3 Vsid Esid Type Description Inuse Pin Pgsp Virtual 4f08-clnt 37505 0---11e1-clnt 33623 0--8811 -work kernel pinned heap 12637 6547 8091 19397 visible, the maximum number of Vsid 4f08 segments is 7. svmon-pP 22674 indicates that processes with PID 22674 use the Pid Command nuse Pin Pgsp Virtual 64-bit Mthrd 22674 java 29333 1611 2756 n y Vsid Esid Type Description Inuse Pin Pgsp Virtual 0 0 work kernel seg 32404 2979 1593 1659 a056-work 43 16 3 46 1e03 2 work process private 77 2 17 93 1080-pers/dev/hd2: 69742 1 0--f8bd f work shared library data 84 0 11 99 60ee 8 work shmat/mmap 0 0 0 0 70ec-pers/dev/hd2: 69836 1 0--8, run the ncheck command to check which files are used by the Vsid. Ncheck a056 Attachment 1: view the total physical memory # cat mem1.sh #! /Usr/bin/ksh # mem totle totalmem = $ (vmstat-v | head-n 1 | awk & apos; {print $1/256} & apos;) echo "mem totle: "echo $ totalmem MB echo Attachment 2: view the amount of physical memory occupied by each user # cat mem2.sh usermem = $ (for username in 'cat/etc/passwd | awk-F: & apos; {print $1} & apos; 'do svmon-U $ username | grep $ username "" done) usermem = 'echo "$ usermem" | grep-v "0 0 0 0" | awk & apos; {print $1, $2/256, "MB"} & apos; 'echo "singe user pmem" echo "$ userm Em "usermem = $ (echo" $ usermem "| awk & apos; BEGIN {sum1 = 0 ;}{ sum1 = sum1 + $2 ;}end {print sum1 ;} & apos;) usermem = $ (echo $ usermem | awk-F \. & apos; {print $1} & apos;) echo "singe user pmem:" $ usermem MB echo AIX5.3 check the memory usage of the system, user, and file system #! /Usr/bin/ksh # view the total memory size: totalmem =$ (vmstat-v | head-n 1 | awk '{print $1/256 }') echo "total memory (physical memory):" echo $ totalmem MB echo # view the memory used by each user: usermem = $ (for username in 'cat/etc/passwd | awk-F: '{print $1} ''do svmon-U $ username | grep $ username" "done) usermem = 'echo "$ usermem" | grep-v "0 0 0 0" | awk '{print $1, $2/256, "MB"} ''echo "User memory (physical memory ): "echo" $ usermem "usermem = $ (echo" $ usermem "| awk 'in in {sum1 = 0 ;}{ sum1 = sum1 + $2 ;}end {print sum1 ;} ') usermem = $ (echo $ usermem | awk-F \. '{print $1}') echo "User memory (physical memory) Total:" $ usermem MB echo # View File System cache: clientmem1 = 'svmon-G | grep "^ pin" | awk '{print $4} ''clientmem2 = 'svmon-G | grep" ^ in use "| awk' {print $5} ''clientmem = 'expr $ clientmem1 + $ clientmem2 'clientmem = 'expr $ clientmem/256 'echo "file system cache (physical memory): "echo $ clientmem MB echo # view system memory usage: sysmem = $ (svmon-S-s-u | cut-B 54-| grep-v "0 0 0 0" | grep [0-9] | awk '{print $ 1, $2} ') supremeseg = 'echo "$ sysmem" | grep S | awk' BEGIN {sum1 = 0 ;}{ sum1 = sum1 + $2 ;} END {sum1 = sum1 * 16*1024*1024; print sum1;} ''largeseg = 'echo "$ sysmem" | grep L | awk' BEGIN {sum1 = 0 ;} {sum1 = sum1 + $2;} END {sum1 = sum1 * 16*1024; print sum1 ;} ''mediumseg = 'echo "$ sysmem" | grep m | awk' BEGIN {sum1 = 0 ;}{ sum1 = sum1 + $2 ;}end {sum1 = sum1 * 64; print sum1;} ''smallseg = 'echo "$ sysmem" | grep s | awk' BEGIN {sum1 = 0 ;}{ sum1 = sum1 + $2 ;} END {sum1 = sum1 * 4; print sum1;} ''sysmem =$ (expr $ supremeseg + $ largeseg + $ mediumseg + $ smallseg) sysmem = $ (expr $ sysmem/1024) echo "system memory (physical memory):" echo $ sysmem MB echo # view idle memory: freemem = $ (vmstat-v | grep free | awk '{print $1/256}') echo "Idle memory (physical memory ): "freemem = $ (echo $ freemem | awk-F \. '{print $1}') echo $ freemem MB echo