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MeowOS-For-R3P2/patch_v2/reader_app/test/shelf_scan_bench.c
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AskaEth e0a82a3d47 fix(reader): M27 r3 评审整改 — cap 边界截断/默认副题不变/提示两行且 6s 消失/版本号
对应评审 P2-1、P3-7、P3-1、P3-2、P3-10、P3-9:
- P2-1:scan_dir 在目录边界遇 cap 时探测子树(count_books_under)再置 truncated;
  同目录内超限逻辑不变。新增两条断言:cap 卡边界 → truncated=1;恰好装满且后续为空目录 → 不误报
- P3-7:shelf_book 拆 sub(默认副题,与 base 逐字一致)/sub_folder(folder 模式前置子路径);
  list 按模式选,宫格始终用 base;断言 format 副题逐字等于 base
- P3-1:超量+超深合并提示拆两行绘制(610 起,不再被 480px 右缘切掉)
- P3-2:提示 6s 到期自动消失(app.c 书架前台时调 shelf_on_tick)
- P3-10:app.json version 0.1.1 / version_code 2
- P3-9:shelf_scan_bench.c 头部注明 /proc/uptime 10ms 分辨率、只适合真机
2026-11-09 22:45:01 +08:00

87 lines
3.8 KiB
C

/* test/shelf_scan_bench.c — M27 扫描/排队计时(宿主 + 设备通用,纯 C)。
*
* 用法:./shelf_scan_bench <Books目录> [progress|noop] [轮数]
* progress = 每本书调 rdprog_load(生产路径,含 rdprog_dir 的 mkdir 循环 + fopen);
* noop = 不读进度(基线,只测 readdir/stat/快照)。
* 进度目录由 MEOW_DATA_DIR 决定(同 App:剥 /data → .../progress);未设则 /tmp/m27bench_data。
* 输出每轮 scan / build_rows(format+folder) 微秒,末行 RESULT 汇总 min/avg/depth_skipped。
*
* ⚠ 计时精度:本工具用 /proc/uptime(整数、10ms 分辨率),因为 zig mipsel musl 的
* time64/浮点 ABI 在真机上不可用(见 patch_v2/sdk/CLOCK_ABI.md)。因此:
* - 真机:适合(扫描 595 本几十 ms 量级);
* - 宿主:只能看到 0us / 10ms 的粗值,不可用于亚毫秒结论;宿主请改用 clock_gettime
* 另写临时程序,或直接读函数的返回值。(M27 r1 报文里的 0.4ms/1.3ms 是切换前用
* clock_gettime+double 的宿主临时版本测的,不是本工具输出的。)
*/
#include "shelf_model.h"
#include "progress.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
static char g_cfgdir[400];
const char *meow_config_dir(void) { return g_cfgdir; }
static shelf_book g_books[SHELF_MAX_BOOKS];
static shelf_row g_rows[SHELF_MAX_ROWS];
static uint64_t ts_of(const char *path)
{
rdprog p;
return rdprog_load(path, &p) == 1 ? p.ts : 0;
}
/* 取时用 /proc/uptime(整数、10ms 分辨率):zig mipsel musl 的 time64 ABI 在真机上
* 会让 clock_gettime/gettimeofday 的 timespec/timeval 布局失配(见 sdk/CLOCK_ABI.md),
* 且静态链接下浮点打印也不可靠 —— 全程只用整数微秒。 */
static int64_t now_us(void)
{
FILE *f = fopen("/proc/uptime", "r");
if (!f) return 0;
long sec = 0, cs = 0;
if (fscanf(f, "%ld.%ld", &sec, &cs) != 2) cs = 0;
fclose(f);
return (int64_t)sec * 1000000 + (int64_t)cs * 10000;
}
int main(int argc, char **argv)
{
if (argc < 2) {
fprintf(stderr, "用法: %s <Books目录> [progress|noop] [轮数]\n", argv[0]);
return 2;
}
const char *root = argv[1];
int use_prog = (argc > 2 && strcmp(argv[2], "progress") == 0);
int reps = (argc > 3) ? atoi(argv[3]) : 5;
if (reps < 1) reps = 1;
const char *env = getenv("MEOW_DATA_DIR");
snprintf(g_cfgdir, sizeof g_cfgdir, "%s", (env && env[0]) ? env : "/tmp/m27bench_data");
int n = 0, rows_f = 0, rows_d = 0, trunc = 0, skipped = 0;
int64_t best_scan = INT64_MAX, best_build = INT64_MAX, sum_scan = 0;
for (int r = 0; r < reps; r++) {
shelf_scan_report rep;
int64_t t0 = now_us();
n = shelf_scan_books(root, g_books, SHELF_MAX_BOOKS, use_prog ? ts_of : NULL, &rep);
int64_t t1 = now_us();
rows_f = shelf_build_rows(g_books, n, 0, g_rows, SHELF_MAX_ROWS);
rows_d = shelf_build_rows(g_books, n, 1, g_rows, SHELF_MAX_ROWS);
int64_t t2 = now_us();
int64_t s = t1 - t0, b = t2 - t1;
trunc = rep.truncated;
skipped = rep.depth_skipped;
sum_scan += s;
if (s < best_scan) best_scan = s;
if (b < best_build) best_build = b;
printf("run %d: scan %lld us, build_rows(format+folder) %lld us, books=%d rows_f=%d rows_d=%d trunc=%d skip=%d\n",
r + 1, (long long)s, (long long)b, n, rows_f, rows_d, rep.truncated, rep.depth_skipped);
}
printf("RESULT root=%s mode=%s reps=%d books=%d trunc=%d rows_format=%d rows_folder=%d "
"scan_min=%lldus scan_avg=%lldus build_min=%lldus depth_skipped=%d\n",
root, use_prog ? "progress" : "noop", reps, n, trunc, rows_f, rows_d,
(long long)best_scan, (long long)(sum_scan / reps), (long long)best_build, skipped);
return 0;
}