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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2010-12-16 14:33:27 -0800
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2011-07-18 15:43:26 -0700
commitc796f213a6934712ede728d9b53ef0e5066db23a (patch)
tree30fffcabfad42297b2d4b1f455a5f88ccf91091b /arch/x86/xen/trace.c
parentf04e2ee41d3dbeb6eeb3685d1b4c208b898e278f (diff)
xen/trace: add multicall tracing
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/xen/trace.c')
-rw-r--r--arch/x86/xen/trace.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/x86/xen/trace.c b/arch/x86/xen/trace.c
index 8cca61640226..734beba2a08c 100644
--- a/arch/x86/xen/trace.c
+++ b/arch/x86/xen/trace.c
@@ -1,4 +1,61 @@
#include <linux/ftrace.h>
+#define N(x) [__HYPERVISOR_##x] = "("#x")"
+static const char *xen_hypercall_names[] = {
+ N(set_trap_table),
+ N(mmu_update),
+ N(set_gdt),
+ N(stack_switch),
+ N(set_callbacks),
+ N(fpu_taskswitch),
+ N(sched_op_compat),
+ N(dom0_op),
+ N(set_debugreg),
+ N(get_debugreg),
+ N(update_descriptor),
+ N(memory_op),
+ N(multicall),
+ N(update_va_mapping),
+ N(set_timer_op),
+ N(event_channel_op_compat),
+ N(xen_version),
+ N(console_io),
+ N(physdev_op_compat),
+ N(grant_table_op),
+ N(vm_assist),
+ N(update_va_mapping_otherdomain),
+ N(iret),
+ N(vcpu_op),
+ N(set_segment_base),
+ N(mmuext_op),
+ N(acm_op),
+ N(nmi_op),
+ N(sched_op),
+ N(callback_op),
+ N(xenoprof_op),
+ N(event_channel_op),
+ N(physdev_op),
+ N(hvm_op),
+
+/* Architecture-specific hypercall definitions. */
+ N(arch_0),
+ N(arch_1),
+ N(arch_2),
+ N(arch_3),
+ N(arch_4),
+ N(arch_5),
+ N(arch_6),
+ N(arch_7),
+};
+#undef N
+
+static const char *xen_hypercall_name(unsigned op)
+{
+ if (op < ARRAY_SIZE(xen_hypercall_names) && xen_hypercall_names[op] != NULL)
+ return xen_hypercall_names[op];
+
+ return "";
+}
+
#define CREATE_TRACE_POINTS
#include <trace/events/xen.h>