trace.c

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#include <linux/ftrace.h>
#include <xen/interface/xen.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>