Squash commits for public release

test/bench/BUILD.gn

@@ -0,0 +1,17 @@
+import("//build/userland/TEMPLATE.gni")
+
+xOS_executable("launch_server") {
+  signexec = true
+  install_path = "System/"
+  sources = [
+    "main.cpp",
+    "pngloader.cpp",
+  ]
+  configs = [ "//build/userland:userland_flags" ]
+  deplibs = [
+    "libcxx",
+    "libfoundation",
+    "libg",
+    "libui",
+  ]
+}

test/bench/common.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <ctime>
+#include <sys/time.h>
+
+#define RUN_BENCH(name, x) for (bench_run = 0, bench_pno = bench_no, gettimeofday(&tv, &tz); bench_run < x; gettimeofday(&ttv, &tz), printf("[BENCH][%s] %d (usec)\n", name, to_usec()), fflush(stdout), bench_run++, gettimeofday(&tv, &tz))
+
+extern int bench_pno;
+extern int bench_no;
+extern int bench_run;
+extern timeval_t tv, ttv;
+extern timezone_t tz;
+
+static inline int to_usec()
+{
+    int sec = ttv.tv_sec - tv.tv_sec;
+    int diff = ttv.tv_usec - tv.tv_usec;
+    return sec * 1000000 + diff;
+}
+
+void bench_pngloader();

test/bench/main.cpp

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+#include "common.h"
+#include <cstdio>
+#include <cstdlib>
+#include <sys/wait.h>
+#include <unistd.h>
+
+char* bench_name;
+int bench_pno = -1;
+int bench_no = 0;
+int bench_run = 0;
+timeval_t tv, ttv;
+timezone_t tz;
+
+void bench_kernel()
+{
+    RUN_BENCH("FORK", 3)
+    {
+        for (int i = 0; i < 20; i++) {
+            int pid = fork();
+            if (pid < 0) {
+                return;
+            }
+            if (pid) {
+                wait(pid);
+            } else {
+                exit(0);
+            }
+        }
+    }
+}
+
+int main(int argc, char** argv)
+{
+    bench_kernel();
+    bench_pngloader();
+    printf("[BENCH END]\n\n");
+    fflush(stdout);
+    return 0;
+}

test/bench/pngloader.cpp

@@ -0,0 +1,13 @@
+#include "common.h"
+#include <libg/ImageLoaders/PNGLoader.h>
+
+LG::PixelBitmap bitmap;
+
+void bench_pngloader()
+{
+    RUN_BENCH("PNG LOADER", 5)
+    {
+        LG::PNG::PNGLoader loader;
+        bitmap = loader.load_from_file("/res/wallpapers/island.png");
+    }
+}