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| author |   Avi Kivity <avi@redhat.com> | 2009-09-16 14:48:12 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-22 11:57:13 +0300 |
| commit | 08f0434fd732441c91f0d1f535757866b3aaf8f8 (patch) | |
| tree | 5d3a523388abd2173e106605def2a4e11bb533ae /kvm | |
| parent | test: add conditional execution for vmexit tests (diff) | |
| download | qemu-kvm-08f0434fd732441c91f0d1f535757866b3aaf8f8.tar.gz qemu-kvm-08f0434fd732441c91f0d1f535757866b3aaf8f8.tar.bz2 qemu-kvm-08f0434fd732441c91f0d1f535757866b3aaf8f8.zip | |
test: add ipi latency test
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'kvm')
| -rw-r--r-- | kvm/user/test/x86/vmexit.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kvm/user/test/x86/vmexit.c b/kvm/user/test/x86/vmexit.c index 76f676d48..29bb32a11 100644 --- a/kvm/user/test/x86/vmexit.c +++ b/kvm/user/test/x86/vmexit.c @@ -1,5 +1,6 @@ #include "libcflat.h" +#include "smp.h" static inline unsigned long long rdtsc() { @@ -51,6 +52,20 @@ static void mov_to_cr8(void) asm volatile ("mov %0, %%cr8" : : "r"(cr8)); } +static int is_smp(void) +{ + return cpu_count() > 1; +} + +static void nop(void *junk) +{ +} + +static void ipi(void) +{ + on_cpu(1, nop, 0); +} + static struct test { void (*func)(void); const char *name; @@ -60,6 +75,7 @@ static struct test { { vmcall, "vmcall", }, { mov_from_cr8, "mov_from_cr8" }, { mov_to_cr8, "mov_to_cr8" }, + { ipi, "ipi", is_smp }, }; static void do_test(struct test *test) @@ -86,6 +102,8 @@ int main(void) { int i; + smp_init(); + for (i = 0; i < ARRAY_SIZE(tests); ++i) do_test(&tests[i]); |