/usr/share/vim/vim80/syntax/gprof.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | " Vim syntax file
" Language: Syntax for Gprof Output
" Maintainer: Dominique Pelle <dominique.pelle@gmail.com>
" Last Change: 2013 Jun 09
" Quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
let s:keepcpo= &cpo
set cpo&vim
syn case match
syn sync minlines=100
" Flat profile
syn match gprofFlatProfileTitle
\ "^Flat profile:$"
syn region gprofFlatProfileHeader
\ start="^Each sample counts as.*"
\ end="^ time.*name\s*$"
syn region gprofFlatProfileTrailer
\ start="^\s*%\s\+the percentage of the total running time.*"
\ end="^\s*the gprof listing if it were to be printed\."
" Call graph
syn match gprofCallGraphTitle "Call graph (explanation follows)"
syn region gprofCallGraphHeader
\ start="^granularity: each sample hit covers.*"
\ end="^\s*index % time\s\+self\s\+children\s\+called\s\+name$"
syn match gprofCallGraphFunction "\s\+\(\d\+\.\d\+\s\+\)\{3}\([0-9+]\+\)\?\s\+[a-zA-Z_<].*\ze\["
syn match gprofCallGraphSeparator "^-\+$"
syn region gprofCallGraphTrailer
\ start="This table describes the call tree of the program"
\ end="^\s*the cycle\.$"
" Index
syn region gprofIndex
\ start="^Index by function name$"
\ end="\%$"
syn match gprofIndexFunctionTitle "^Index by function name$"
syn match gprofNumbers "^\s\+[0-9 ./+]\+"
syn match gprofFunctionIndex "\[\d\+\]"
syn match gprofSpecial "<\(spontaneous\|cycle \d\+\)>"
hi def link gprofFlatProfileTitle Title
hi def link gprofFlatProfileHeader Comment
hi def link gprofFlatProfileFunction Number
hi def link gprofFlatProfileTrailer Comment
hi def link gprofCallGraphTitle Title
hi def link gprofCallGraphHeader Comment
hi def link gprofFlatProfileFunction Number
hi def link gprofCallGraphFunction Special
hi def link gprofCallGraphTrailer Comment
hi def link gprofCallGraphSeparator Label
hi def link gprofFunctionIndex Label
hi def link gprofSpecial SpecialKey
hi def link gprofNumbers Number
hi def link gprofIndexFunctionTitle Title
let b:current_syntax = "gprof"
let &cpo = s:keepcpo
unlet s:keepcpo
|