Scaffold basic project tree, implement benchmarking logic

Implement unit testing guardian

1 files changed, 17 insertions, 0 deletions

diff --git a/benchmark/resource_usage.c b/benchmark/resource_usage.c
new file mode 100644
index 0000000..04f7195
--- /dev/null
+++ b/benchmark/resource_usage.c
@@ -0,0 +1,17 @@
+#include "resource_usage.h"
+#include <stdio.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+
+void print_resource_usage(const char *label) {
+  struct rusage usage;
+  if (getrusage(RUSAGE_SELF, &usage) == 0) {
+    long mem_kb = usage.ru_maxrss;
+    double user_sec = usage.ru_utime.tv_sec + usage.ru_utime.tv_usec / 1e6;
+    double sys_sec = usage.ru_stime.tv_sec + usage.ru_stime.tv_usec / 1e6;
+    printf("[%s] CPU user: %.3f s, system: %.3f s, peak memory: %ld KB\n",
+           label, user_sec, sys_sec, mem_kb);
+  } else {
+    printf("[%s] Resource usage not available\n", label);
+  }
+}