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cgen: support -profile - and -profile x.txt

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This commit is contained in:
Delyan Angelov
2020-04-25 13:41:49 +03:00
parent eecf92cdb0
commit 4bcdf11743
4 changed files with 22 additions and 3 deletions
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13
vlib/v/gen/fn.v
View File

@@ -141,8 +141,17 @@ fn (mut g Gen) gen_fn_decl(it ast.FnDecl) {
if is_main {
if g.pref.is_prof {
g.pcs_declarations.writeln('void vprint_profile_stats(){')
for pfn_name, pcounter_name in g.pcs {
g.pcs_declarations.writeln('\tif (${pcounter_name}_calls) printf("%llu %f %f ${pfn_name} \\n", ${pcounter_name}_calls, $pcounter_name, $pcounter_name / ${pcounter_name}_calls );')
if g.pref.profile_file == '-' {
for pfn_name, pcounter_name in g.pcs {
g.pcs_declarations.writeln('\tif (${pcounter_name}_calls) printf("%llu %f %f ${pfn_name} \\n", ${pcounter_name}_calls, $pcounter_name, $pcounter_name / ${pcounter_name}_calls );')
}
}else{
g.pcs_declarations.writeln('\tFILE * fp;')
g.pcs_declarations.writeln('\tfp = fopen ("${g.pref.profile_file}", "w+");')
for pfn_name, pcounter_name in g.pcs {
g.pcs_declarations.writeln('\tif (${pcounter_name}_calls) fprintf(fp, "%llu %f %f ${pfn_name} \\n", ${pcounter_name}_calls, $pcounter_name, $pcounter_name / ${pcounter_name}_calls );')
}
g.pcs_declarations.writeln('\tfclose(fp);')
}
g.pcs_declarations.writeln('}')
}

1
vlib/v/pref/pref.v
View File

@@ -31,6 +31,7 @@ pub mut:
is_live bool // main program that contains live/hot code
is_shared bool // an ordinary shared library, -shared, no matter if it is live or not
is_prof bool // benchmark every function
profile_file string // the profile results will be stored inside profile_file
translated bool // `v translate doom.v` are we running V code translated from C? allow globals, ++ expressions, etc
is_prod bool // use "-O2"
obfuscate bool // `v -obf program.v`, renames functions to "f_XXX"