From 010152de4f19fcb4f1b627123aa27f08deb13e72 Mon Sep 17 00:00:00 2001 From: Kimplul Date: Sat, 2 Nov 2024 16:19:11 +0200 Subject: add spawn benchmark --- benchmarks/spawn/init.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 benchmarks/spawn/init.c (limited to 'benchmarks/spawn/init.c') diff --git a/benchmarks/spawn/init.c b/benchmarks/spawn/init.c new file mode 100644 index 0000000..d4c2504 --- /dev/null +++ b/benchmarks/spawn/init.c @@ -0,0 +1,46 @@ +#include +#include + +void callback() +{ + sys_exit(1); +} + +START(pid, tid, d0, d1, d2, d3) +{ + UNUSED(pid); + UNUSED(tid); + UNUSED(d0); + UNUSED(d1); + UNUSED(d2); + UNUSED(d3); + + if (d0 == SYS_USER_ORPHANED) { + sys_exit(1); + } + + printf("finding spawn in cpio archive %lx...\n", d2); + struct cpio_header *cp = cpio_find_file((const void *)d2, + "spawn", sizeof("spawn") - 1); + + if (!cp) { + printf("couldn't find spawn?\n"); + report(0, 0, 0); + } + + long name_len = convnum(cp->c_namesize, 8, 16); + uintptr_t spawn = (uintptr_t)(cp) + align_up(sizeof(struct cpio_header) + name_len, 4); + printf("found spawn at %lx\n", spawn); + + uint64_t timebase = sys_timebase(); + uint64_t start = sys_ticks(); + + for (size_t i = 0; i < 1000; ++i) { + id_t new_id = sys_spawn(spawn, 0); + sys_detach(new_id); + sys_swap(new_id); + } + + uint64_t end = sys_ticks(); + report(start, end, timebase); +} -- cgit v1.3