add some basic benchmarks

1 files changed, 27 insertions, 0 deletions

diff --git a/benchmarks/fork/init.c b/benchmarks/fork/init.c
new file mode 100644
index 0000000..95f6466
--- /dev/null
+++ b/benchmarks/fork/init.c
@@ -0,0 +1,27 @@
+#include <common/benchmark.h>
+
+START(pid, tid, d0, d1, d2, d3)
+{
+	UNUSED(pid);
+	UNUSED(tid);
+	UNUSED(d0);
+	UNUSED(d1);
+	UNUSED(d2);
+	UNUSED(d3);
+
+	uint64_t timebase = sys_timebase();
+	uint64_t start = sys_ticks();
+
+	for (size_t i = 0; i < 1000; ++i) {
+		id_t our_tid = 0;
+		id_t new_id = sys_fork(&our_tid);
+		if (new_id == 0) {
+			/* child instantly dies */
+			sys_exit(1);
+		}
+		sys_swap(new_id);
+	}
+
+	uint64_t end = sys_ticks();
+	report(start, end, timebase);
+}