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cgen: fix profile time on windows (#23227)

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kbkpbot 2024-12-21 16:43:54 +08:00 committed by GitHub
parent 290f58a7bc
commit 40bb8b1d17
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1 changed files with 10 additions and 2 deletions
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12
vlib/v/gen/c/profile.v
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@ -50,15 +50,23 @@ fn (mut g Gen) profile_fn(fn_decl ast.FnDecl) {
pub fn (mut g Gen) gen_vprint_profile_stats() {
g.pcs_declarations.writeln('void vprint_profile_stats(){')
fstring := '"%14llu %14.3fms %14.0fns %s \\n"'
g.pcs_declarations.writeln('\tf64 f = 1.0;')
if g.pref.os == .windows {
// QueryPerformanceCounter() / QueryPerformanceFrequency()
// https://learn.microsoft.com/en-us/windows/win32/sysinfo/acquiring-high-resolution-time-stamps
g.pcs_declarations.writeln('\tu64 freq_time = 0;')
g.pcs_declarations.writeln('\tQueryPerformanceFrequency(((voidptr)(&freq_time)));')
g.pcs_declarations.writeln('\tf = (f64)1000000000.0/(f64)freq_time;')
}
if g.pref.profile_file == '-' {
for pc_meta in g.pcs {
g.pcs_declarations.writeln('\tif (${pc_meta.vpc_calls}) printf(${fstring}, ${pc_meta.vpc_calls}, ${pc_meta.vpc_name}/1000000.0, ${pc_meta.vpc_name}/${pc_meta.vpc_calls}, "${pc_meta.fn_name}" );')
g.pcs_declarations.writeln('\tif (${pc_meta.vpc_calls}) printf(${fstring}, ${pc_meta.vpc_calls}, (${pc_meta.vpc_name}*f)/1000000.0, (${pc_meta.vpc_name}*f)/${pc_meta.vpc_calls}, "${pc_meta.fn_name}" );')
}
} else {
g.pcs_declarations.writeln('\tFILE * fp;')
g.pcs_declarations.writeln('\tfp = fopen ("${g.pref.profile_file}", "w+");')
for pc_meta in g.pcs {
g.pcs_declarations.writeln('\tif (${pc_meta.vpc_calls}) fprintf(fp, ${fstring}, ${pc_meta.vpc_calls}, ${pc_meta.vpc_name}/1000000.0, ${pc_meta.vpc_name}/${pc_meta.vpc_calls}, "${pc_meta.fn_name}" );')
g.pcs_declarations.writeln('\tif (${pc_meta.vpc_calls}) fprintf(fp, ${fstring}, ${pc_meta.vpc_calls}, (${pc_meta.vpc_name}*f)/1000000.0, (${pc_meta.vpc_name}*f)/${pc_meta.vpc_calls}, "${pc_meta.fn_name}" );')
}
g.pcs_declarations.writeln('\tfclose(fp);')
}