ตรวจการใช้ Pss (Proportional set size) ของ process

brid.surapol · Post by **brid.surapol** » 25 Jul 2022, 09:16

ตัวอย่างของ script ที่ตรวจ Pss ของ postgres และ postmaster

for PID in $(pgrep "postgres|postmaster") ; do awk '/Pss/ {PSS+=$2} END{getline cmd < "/proc/'$PID'/cmdline"; sub("\0", " ", cmd);printf "%.0f --> %s (%s)\n", PSS, cmd, '$PID'}' /proc/$PID/smaps ; done|sort -n

Code: Select all

(Pss in KB)                                                         (PID)
29765 --> postgres: brid_user brid_sba_tdri 127.0.0.1(36624) idle  (1892766)
30733 --> postgres: brid_user brid_sba_ict 127.0.0.1(36618) idle  (1892760)
33175 --> postgres: brid_user brid_sba_tfg 127.0.0.1(36682) idle  (2006367)
40225 --> postgres: brid_user brid_sba_vpg 127.0.0.1(36602) idle  (1892746)
42331 --> postgres: brid_user brid_sba_aci 127.0.0.1(36666) idle  (1892804)
42582 --> postgres: brid_user brid_sba_bsp 127.0.0.1(36698) idle  (1893228)
42598 --> postgres: stats collector   (1871510)
46590 --> postgres: brid_user brid_sba_tfg 127.0.0.1(46420) idle  (1924863)
51039 --> postgres: brid_user brid_sba_bsp 127.0.0.1(36694) idle  (1893226)
55327 --> postgres: brid_user brid_sba_bsp 127.0.0.1(36690) idle  (1893225)
58496 --> postgres: brid_user brid_sba_tfg 127.0.0.1(36960) idle  (1902283)
60061 --> postgres: brid_user brid_sba_bsp 127.0.0.1(36696) idle  (1893227)
144291 --> postgres: brid_user brid_sba_aci 127.0.0.1(51958) SELECT  (2106143)
144294 --> postgres: brid_user brid_sba_aci 127.0.0.1(55850) SELECT  (2111868)
144295 --> postgres: brid_user brid_sba_aci 127.0.0.1(34990) SELECT  (2121512)