From 00a5c7d2de756ede0cdb5abc964bd9d5e048129f Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 16 Sep 2009 12:25:47 +0300 Subject: test: Add vmcall latency test Signed-off-by: Avi Kivity Signed-off-by: Marcelo Tosatti --- kvm/user/test/x86/vmexit.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'kvm') diff --git a/kvm/user/test/x86/vmexit.c b/kvm/user/test/x86/vmexit.c index 364837f31..bd1895f60 100644 --- a/kvm/user/test/x86/vmexit.c +++ b/kvm/user/test/x86/vmexit.c @@ -30,11 +30,19 @@ static void cpuid(void) : : : "eax", "ecx", "edx"); } +static void vmcall(void) +{ + unsigned long a = 0, b, c, d; + + asm volatile ("vmcall" : "+a"(a), "=b"(b), "=c"(c), "=d"(d)); +} + static struct test { void (*func)(void); const char *name; } tests[] = { { cpuid, "cpuid", }, + { vmcall, "vmcall", }, }; static void do_test(struct test *test) -- cgit v1.2.3-65-gdbad