起動時間とCPU

1 files changed, 35 insertions, 0 deletions

diff --git a/src/cpu.c b/src/cpu.c
new file mode 100644
index 0000000..9b79eca
--- /dev/null
+++ b/src/cpu.c
@@ -0,0 +1,35 @@
+#include "memory.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+void run_cpu_command(const char *command) {
+  char buf[128];
+
+  FILE *p = popen(command, "r");
+  if (!p) {
+    fprintf(stderr, "ホストコマンドを実効に失敗: %s", command);
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+}
+
+void display_cpu() {
+#if defined(__NetBSD__)
+  run_cpu_command("sysctl -n machdep.cpu_brand | sed 's/(R)//' | "
+                  "sed 's/(TM)//' | sed 's/CPU //'");
+  run_cpu_command("echo \" (\" && sysctl -n hw.ncpu && echo \" core)\"");
+#elif defined(__FreeBSD__) || defined(__OpenBSD__)
+  run_cpu_command("sysctl -n hw.model | sed 's/(R)//' | "
+                  "sed 's/(TM)//' | sed 's/CPU //'");
+  run_cpu_command("echo \" (\" && sysctl -n hw.ncpu && echo \" core)\"");
+#elif defined(__linux__)
+#endif
+}