Better java GC1 jstat

S=16MB   E=1600MB  O=2992MB  EU=8%        OU=83.3964%  XMX=4608MB  GCT=147.457
S=56MB   E=1560MB  O=2992MB  EU=87.6923%  OU=83.7788%  XMX=4608MB  GCT=147.586
S=32MB   E=1584MB  O=2992MB  EU=11.6162%  OU=84.3356%  XMX=4608MB  GCT=147.755
S=48MB   E=1568MB  O=2992MB  EU=84.6939%  OU=84.4933%  XMX=4608MB  GCT=147.809
S=40MB   E=1576MB  O=2992MB  EU=67.5127%  OU=83.528%   XMX=4608MB  GCT=147.946
S=56MB   E=1560MB  O=2992MB  EU=43.0769%  OU=83.7597%  XMX=4608MB  GCT=148.037
S=40MB   E=1576MB  O=2992MB  EU=17.7665%  OU=83.8231%  XMX=4608MB  GCT=148.137
S=40MB   E=1576MB  O=2992MB  EU=2.53807%  OU=83.6912%  XMX=4608MB  GCT=148.260
S=104MB  E=1496MB  O=3008MB  EU=85.5615%  OU=83.2249%  XMX=4608MB  GCT=148.413
S=8MB    E=1608MB  O=2992MB  EU=77.6119%  OU=66.7069%  XMX=4608MB  GCT=155.773
S=40MB   E=1576MB  O=2992MB  EU=78.6802%  OU=66.6292%  XMX=4608MB  GCT=155.857
S=104MB  E=1512MB  O=2992MB  EU=61.9048%  OU=67.606%   XMX=4608MB  GCT=156.021
S=104MB  E=1512MB  O=2992MB  EU=41.2698%  OU=67.606%   XMX=4608MB  GCT=156.170
S=104MB  E=1512MB  O=2992MB  EU=20.6349%  OU=67.7396%  XMX=4608MB  GCT=156.310
S=112MB  E=1504MB  O=2992MB  EU=0%        OU=67.606%   XMX=4608MB  GCT=156.452
S=104MB  E=1512MB  O=2992MB  EU=74.6032%  OU=67.606%   XMX=4608MB  GCT=156.513
S=104MB  E=1512MB  O=2992MB  EU=79.8942%  OU=67.7396%  XMX=4608MB  GCT=156.640
S=112MB  E=1504MB  O=2992MB  EU=59.5745%  OU=67.606%   XMX=4608MB  GCT=156.780
S=112MB  E=1504MB  O=2992MB  EU=40.4255%  OU=67.606%   XMX=4608MB  GCT=156.922

Use this script to see java heap capacity for each generation and GC time total

jstat  -gc  $(cat .pid) 5000 | grep -v GCT  --line-buffered  \
 | awk {'print "S="$2/1024"MB","E="$5/1024"MB","O="$7/1024"MB","EU="$6/$5*100"%","OU="$8/$7*100"%","XMX="($2+$5+$7)/1024"MB","GCT="$NF'}