{"id":3462,"date":"2014-08-21T09:12:53","date_gmt":"2014-08-21T01:12:53","guid":{"rendered":"http:\/\/rmohan.com\/?p=3462"},"modified":"2014-08-21T09:12:53","modified_gmt":"2014-08-21T01:12:53","slug":"bash-analyze-ports-and-pids","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=3462","title":{"rendered":"bash analyze ports and pids"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
# put your JAVA_HOME here, <\/span>
\n<\/span><\/td>\n<\/tr>\n
JAVA_HOME<\/span>=\/<\/span>opt<\/span>\/<\/span>javavm
\n<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n<\/tr>\n
PID<\/span>=<\/span>$1
\n<\/span><\/td>\n<\/tr>\n
IFS<\/span>=<\/span>”<\/span>
\n<\/span><\/td>\n<\/tr>\n
top_number<\/span>=<\/span>10<\/span>
\n<\/span><\/td>\n<\/tr>\n
if<\/span>[<\/span> $<\/span># -gt 1 ] ; then<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0 top_number<\/span>=<\/span>$2
\n<\/span><\/td>\n<\/tr>\n
fi<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n<\/tr>\n
top_number<\/span>=<\/span>$<\/span>((<\/span>top_number<\/span>+<\/span>1<\/span>))<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n<\/tr>\n
java_stack<\/span>=<\/span>`$JAVA_HOME\/bin\/jstack $PID`<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n<\/tr>\n
top<\/span>=<\/span>`top -s -b -H -p $PID -n 1 | grep -vE ‘^top|^Tasks|^Cpu|^Mem|^Swap|^$’ | awk ‘NR==1; NR > 1 {print $0 | “sort \u00a0-nrk 9”}’ | head -$top_number`<\/span>
\n<\/span><\/td>\n<\/tr>\n
echo $top
\n<\/span><\/td>\n<\/tr>\n
\u00a0<\/span><\/td>\n<\/tr>\n
echo $top <\/span>|<\/span>while<\/span> read psline<\/span>;<\/span>do<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0 <\/span>if<\/span>[<\/span>`echo $psline|grep -c PID`<\/span>–<\/span>gt <\/span>0<\/span>]<\/span>;<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0 \u00a0 <\/span>then<\/span>continue<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0 <\/span>fi<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0 lwp_id<\/span>=<\/span>`echo $psline | awk ‘{print $1}’`<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0 nid<\/span>=<\/span>`printf ‘%x\\n’ $lwp_id `<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0 echo <\/span>“========> Java LWP: $lwp_id – Native Thread ID=$nid”<\/span>
\n<\/span><\/td>\n<\/tr>\n
\u00a0 echo $java_stack <\/span>|<\/span> sed <\/span>–<\/span>n <\/span>“\/$nid\/,\/^$\/ p”<\/span>;<\/span>
\n<\/span><\/td>\n<\/tr>\n
done<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

# put your JAVA_HOME here, JAVA_HOME=\/opt\/javavm PID=$1 IFS=” top_number=10 if[ $# -gt 1 ] ; then top_number=$2 fi top_number=$((top_number+1)) java_stack=`$JAVA_HOME\/bin\/jstack $PID` top=`top -s -b -H -p $PID -n 1 | grep -vE ‘^top|^Tasks|^Cpu|^Mem|^Swap|^$’ | awk ‘NR==1; NR > 1 {print $0 | “sort -nrk 9”}’ | head -$top_number` echo $top echo $top |while read […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/3462"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3462"}],"version-history":[{"count":1,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/3462\/revisions"}],"predecessor-version":[{"id":3463,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/3462\/revisions\/3463"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}