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Diffstat (limited to 'usr.bin/clang/llvm-prof/llvm-prof.1')
| -rw-r--r-- | usr.bin/clang/llvm-prof/llvm-prof.1 | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/usr.bin/clang/llvm-prof/llvm-prof.1 b/usr.bin/clang/llvm-prof/llvm-prof.1 new file mode 100644 index 0000000..f7659fb --- /dev/null +++ b/usr.bin/clang/llvm-prof/llvm-prof.1 @@ -0,0 +1,173 @@ +.\" $FreeBSD$ +.\" Automatically generated by Pod::Man 2.23 (Pod::Simple 3.14) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. Capital omega is used to do unbreakable dashes and +.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, +.\" nothing in troff, for use with C<>. +.tr \(*W- +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +'br\} +.\" +.\" Escape single quotes in literal strings from groff's Unicode transform. +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" +.\" If the F register is turned on, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.ie \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. nr % 0 +. rr F +.\} +.el \{\ +. de IX +.. +.\} +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. No user-serviceable parts. +. \" fudge factors for nroff and troff +.if n \{\ +. ds #H 0 +. ds #V .8m +. ds #F .3m +. ds #[ \f1 +. ds #] \fP +.\} +.if t \{\ +. ds #H ((1u-(\\\\n(.fu%2u))*.13m) +. ds #V .6m +. ds #F 0 +. ds #[ \& +. ds #] \& +.\} +. \" simple accents for nroff and troff +.if n \{\ +. ds ' \& +. ds ` \& +. ds ^ \& +. ds , \& +. ds ~ ~ +. ds / +.\} +.if t \{\ +. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" +. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' +. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' +. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' +. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' +. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' +.\} +. \" troff and (daisy-wheel) nroff accents +.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' +.ds 8 \h'\*(#H'\(*b\h'-\*(#H' +.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] +.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' +.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' +.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] +.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] +.ds ae a\h'-(\w'a'u*4/10)'e +.ds Ae A\h'-(\w'A'u*4/10)'E +. \" corrections for vroff +.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' +.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' +. \" for low resolution devices (crt and lpr) +.if \n(.H>23 .if \n(.V>19 \ +\{\ +. ds : e +. ds 8 ss +. ds o a +. ds d- d\h'-1'\(ga +. ds D- D\h'-1'\(hy +. ds th \o'bp' +. ds Th \o'LP' +. ds ae ae +. ds Ae AE +.\} +.rm #[ #] #H #V #F C +.\" ======================================================================== +.\" +.IX Title "LLVM-PROF 1" +.TH LLVM-PROF 1 "2011-10-17" "LLVM 3.0" "LLVM Command Guide" +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +llvm\-prof \- print execution profile of LLVM program +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +\&\fBllvm-prof\fR [\fIoptions\fR] [\fIbitcode file\fR] [\fIllvmprof.out\fR] +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +The \fBllvm-prof\fR tool reads in an \fIllvmprof.out\fR file (which can +optionally use a specific file with the third program argument), a bitcode file +for the program, and produces a human readable report, suitable for determining +where the program hotspots are. +.PP +This program is often used in conjunction with the \fIutils/profile.pl\fR +script. This script automatically instruments a program, runs it with the \s-1JIT\s0, +then runs \fBllvm-prof\fR to format a report. To get more information about +\&\fIutils/profile.pl\fR, execute it with the \fB\-help\fR option. +.SH "OPTIONS" +.IX Header "OPTIONS" +.IP "\fB\-\-annotated\-llvm\fR or \fB\-A\fR" 4 +.IX Item "--annotated-llvm or -A" +In addition to the normal report printed, print out the code for the +program, annotated with execution frequency information. This can be +particularly useful when trying to visualize how frequently basic blocks +are executed. This is most useful with basic block profiling +information or better. +.IP "\fB\-\-print\-all\-code\fR" 4 +.IX Item "--print-all-code" +Using this option enables the \fB\-\-annotated\-llvm\fR option, but it +prints the entire module, instead of just the most commonly executed +functions. +.IP "\fB\-\-time\-passes\fR" 4 +.IX Item "--time-passes" +Record the amount of time needed for each pass and print it to standard +error. +.SH "EXIT STATUS" +.IX Header "EXIT STATUS" +\&\fBllvm-prof\fR returns 1 if it cannot load the bitcode file or the profile +information. Otherwise, it exits with zero. +.SH "AUTHOR" +.IX Header "AUTHOR" +\&\fBllvm-prof\fR is maintained by the \s-1LLVM\s0 Team (<http://llvm.org/>). |
