{"id":3455,"date":"2010-09-18T23:39:18","date_gmt":"2010-09-18T18:09:18","guid":{"rendered":"http:\/\/www.jeffrin.in\/?p=2923"},"modified":"2010-09-18T23:39:18","modified_gmt":"2010-09-18T18:09:18","slug":"gcov-code-coverage","status":"publish","type":"post","link":"https:\/\/www.trueangle.org\/index.php\/2010\/09\/18\/gcov-code-coverage\/","title":{"rendered":"gcov code coverage"},"content":{"rendered":"

\"\"<\/a>
\n
\n$vi hey.c
\n$gcc -fprofile-arcs -ftest-coverage hey.c
\n$.\/a.out
\n Hey :)
\n$gcov hey.c
\nFile 'hey.c'
\nLines executed:100.00% of 3
\nhey.c:creating 'hey.c.gcov'<\/p>\n

$cat hey.c.gcov
\n -: 0:Source:hey.c
\n -: 0:Graph:hey.gcno
\n -: 0:Data:hey.gcda
\n -: 0:Runs:1
\n -: 0:Programs:1
\n -: 1:#include
\n 1: 2:main()
\n -: 3:{
\n 1: 4:printf(\" Hey :) \\n\");
\n 1: 5:}
\n$<\/p>\n

<\/code>
\n
\nThe \".gcov\" files can be examined using a normal editor. The first
\ncolumn is the number of times that the line is executed. A decimal
\nnumber indicates the number of times that the line of code executes, a
\n'-' means that it is no code is generated for the line, and \"#####\"
\nindicates the generated code was not executed at all. To the right of
\nthe first ':' is line number the remainder of the line is the source
\ncode.<\/p>\n

Reference\/Source :
\nhttp:\/\/sourceware.org\/ml\/systemtap\/2006-q1\/msg00056.html
\nhttp:\/\/gcc.gnu.org\/onlinedocs\/gcc\/Invoking-Gcov.html#Invoking-Gcov<\/p>\n

<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"

$vi hey.c $gcc -fprofile-arcs -ftest-coverage hey.c $.\/a.out Hey \ud83d\ude42 $gcov hey.c File ‘hey.c’ Lines executed:100.00% of 3 hey.c:creating ‘hey.c.gcov’ $cat hey.c.gcov -: 0:Source:hey.c -: 0:Graph:hey.gcno -: 0:Data:hey.gcda -: 0:Runs:1 -: 0:Programs:1 -: 1:#include 1: 2:main() -: 3:{ 1: 4:printf(” Hey \ud83d\ude42 \\n”); 1: 5:} $ The “.gcov” files can be examined using a normal editor. … <\/p>\n

Continue reading “gcov code coverage”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[552,596,810,1035,1623],"_links":{"self":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/3455"}],"collection":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/comments?post=3455"}],"version-history":[{"count":0,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/3455\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/media?parent=3455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/categories?post=3455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/tags?post=3455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}