mirror of
https://github.com/jart/cosmopolitan.git
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af645fcbec
- Add Lua backtraces to redbean! - Wipe serving keys after redbean forks - Audit redbean to remove free via exit - Log SSL client ciphersuite preferences - Increase ASAN malloc() backtrace depth - Make GetSslRoots() behave as a singleton - Move leaks.c from LIBC_TESTLIB to LIBC_LOG - Add undocumented %n to printf() for newlines - Fix redbean memory leak reindexing inode change - Fix redbean memory leak with Fetch() DNS object - Restore original environ after __cxa_finalize() - Make backtrace always work after __cxa_finalize() - Introduce COUNTEXPR() diagnostic / benchmark tool - Fix a few more instances of errno being clobbered - Consolidate the ANSI color disabling internal APIs
102 lines
3.8 KiB
C
102 lines
3.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/alg/alg.h"
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#include "libc/calls/calls.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/log/countbranch.h"
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#include "libc/macros.internal.h"
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#include "libc/math.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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static double GetTotal(const struct countbranch *p) {
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return p->total;
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}
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static double GetPercent(const struct countbranch *p) {
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if (p->total) {
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return (double)p->taken / p->total * 100;
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} else {
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return 50;
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}
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}
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static int RankCounter(const struct countbranch *p) {
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double x;
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x = GetPercent(p);
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x = MIN(x, 100 - x);
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return x;
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}
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static int CompareCounters(const void *a, const void *b) {
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double x, y;
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x = RankCounter(a);
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y = RankCounter(b);
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if (x > y) return +1;
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if (x < y) return -1;
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if (GetTotal(a) < GetTotal(b)) return +1;
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if (GetTotal(a) > GetTotal(b)) return -1;
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return 0;
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}
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static size_t CountCounters(void) {
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size_t n;
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struct countbranch *p;
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for (n = 0, p = countbranch_data; p->total >= 0; ++p) ++n;
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return n;
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}
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static void SortCounters(size_t n) {
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qsort(countbranch_data, n, sizeof(*countbranch_data), CompareCounters);
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}
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void countbranch_report(void) {
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double r;
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size_t i, n;
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int pct, nines;
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struct countbranch *p;
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n = CountCounters();
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SortCounters(n);
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for (i = n; i--;) {
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p = countbranch_data + i;
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if (p->total) {
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r = (double)p->taken / p->total;
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pct = floor(r * 100);
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nines = floor(fmod(r * 100, 1) * 100000);
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} else {
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pct = 0;
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nines = 0;
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}
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if (strcmp(p->code, p->xcode)) {
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kprintf("%s:%-4d: %3d.%05d%% taken (%'ld/%'ld) %s [%s]\n", p->file,
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p->line, pct, nines, p->taken, p->total, p->code, p->xcode);
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} else {
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kprintf("%s:%-4d: %3d.%05d%% taken (%'ld/%'ld) %s\n", p->file, p->line,
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pct, nines, p->taken, p->total, p->code);
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}
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}
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}
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static textstartup void countbranch_init() {
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atexit(countbranch_report);
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}
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const void *const countbranch_ctor[] initarray = {
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countbranch_init,
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};
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