include/trace/events/xen.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM xen
   3
   4 #if !defined(_TRACE_XEN_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_XEN_H
   6
   7 #include <linux/tracepoint.h>
   8 #include <asm/paravirt_types.h>
   9 #include <asm/xen/trace_types.h>
  10
  11 /* Multicalls */
  12
  13 TRACE_EVENT(xen_mc_batch,
  14             TP_PROTO(enum paravirt_lazy_mode mode),
  15             TP_ARGS(mode),
  16             TP_STRUCT__entry(
  17                     __field(enum paravirt_lazy_mode, mode)
  18                     ),
  19             TP_fast_assign(__entry->mode = mode),
  20             TP_printk("start batch LAZY_%s",
  21                       (__entry->mode == PARAVIRT_LAZY_MMU) ? "MMU" :
  22                       (__entry->mode == PARAVIRT_LAZY_CPU) ? "CPU" : "NONE")
  23         );
  24
  25 TRACE_EVENT(xen_mc_issue,
  26             TP_PROTO(enum paravirt_lazy_mode mode),
  27             TP_ARGS(mode),
  28             TP_STRUCT__entry(
  29                     __field(enum paravirt_lazy_mode, mode)
  30                     ),
  31             TP_fast_assign(__entry->mode = mode),
  32             TP_printk("issue mode LAZY_%s",
  33                       (__entry->mode == PARAVIRT_LAZY_MMU) ? "MMU" :
  34                       (__entry->mode == PARAVIRT_LAZY_CPU) ? "CPU" : "NONE")
  35         );
  36
  37 TRACE_EVENT(xen_mc_entry,
  38             TP_PROTO(struct multicall_entry *mc, unsigned nargs),
  39             TP_ARGS(mc, nargs),
  40             TP_STRUCT__entry(
  41                     __field(unsigned int, op)
  42                     __field(unsigned int, nargs)
  43                     __array(unsigned long, args, 6)
  44                     ),
  45             TP_fast_assign(__entry->op = mc->op;
  46                            __entry->nargs = nargs;
  47                            memcpy(__entry->args, mc->args, sizeof(unsigned long) * nargs);
  48                            memset(__entry->args + nargs, 0, sizeof(unsigned long) * (6 - nargs));
  49                     ),
  50             TP_printk("op %u%s args [%lx, %lx, %lx, %lx, %lx, %lx]",
  51                       __entry->op, xen_hypercall_name(__entry->op),
  52                       __entry->args[0], __entry->args[1], __entry->args[2],
  53                       __entry->args[3], __entry->args[4], __entry->args[5])
  54         );
  55
  56 TRACE_EVENT(xen_mc_entry_alloc,
  57             TP_PROTO(size_t args),
  58             TP_ARGS(args),
  59             TP_STRUCT__entry(
  60                     __field(size_t, args)
  61                     ),
  62             TP_fast_assign(__entry->args = args),
  63             TP_printk("alloc entry %zu arg bytes", __entry->args)
  64         );
  65
  66 TRACE_EVENT(xen_mc_callback,
  67             TP_PROTO(xen_mc_callback_fn_t fn, void *data),
  68             TP_ARGS(fn, data),
  69             TP_STRUCT__entry(
  70                     __field(xen_mc_callback_fn_t, fn)
  71                     __field(void *, data)
  72                     ),
  73             TP_fast_assign(
  74                     __entry->fn = fn;
  75                     __entry->data = data;
  76                     ),
  77             TP_printk("callback %pf, data %p",
  78                       __entry->fn, __entry->data)
  79         );
  80
  81 TRACE_EVENT(xen_mc_flush_reason,
  82             TP_PROTO(enum xen_mc_flush_reason reason),
  83             TP_ARGS(reason),
  84             TP_STRUCT__entry(
  85                     __field(enum xen_mc_flush_reason, reason)
  86                     ),
  87             TP_fast_assign(__entry->reason = reason),
  88             TP_printk("flush reason %s",
  89                       (__entry->reason == XEN_MC_FL_NONE) ? "NONE" :
  90                       (__entry->reason == XEN_MC_FL_BATCH) ? "BATCH" :
  91                       (__entry->reason == XEN_MC_FL_ARGS) ? "ARGS" :
  92                       (__entry->reason == XEN_MC_FL_CALLBACK) ? "CALLBACK" : "??")
  93         );
  94
  95 TRACE_EVENT(xen_mc_flush,
  96             TP_PROTO(unsigned mcidx, unsigned argidx, unsigned cbidx),
  97             TP_ARGS(mcidx, argidx, cbidx),
  98             TP_STRUCT__entry(
  99                     __field(unsigned, mcidx)
 100                     __field(unsigned, argidx)
 101                     __field(unsigned, cbidx)
 102                     ),
 103             TP_fast_assign(__entry->mcidx = mcidx;
 104                            __entry->argidx = argidx;
 105                            __entry->cbidx = cbidx),
 106             TP_printk("flushing %u hypercalls, %u arg bytes, %u callbacks",
 107                       __entry->mcidx, __entry->argidx, __entry->cbidx)
 108         );
 109
 110 TRACE_EVENT(xen_mc_extend_args,
 111             TP_PROTO(unsigned long op, size_t args, enum xen_mc_extend_args res),
 112             TP_ARGS(op, args, res),
 113             TP_STRUCT__entry(
 114                     __field(unsigned int, op)
 115                     __field(size_t, args)
 116                     __field(enum xen_mc_extend_args, res)
 117                     ),
 118             TP_fast_assign(__entry->op = op;
 119                            __entry->args = args;
 120                            __entry->res = res),
 121             TP_printk("extending op %u%s by %zu bytes res %s",
 122                       __entry->op, xen_hypercall_name(__entry->op),
 123                       __entry->args,
 124                       __entry->res == XEN_MC_XE_OK ? "OK" :
 125                       __entry->res == XEN_MC_XE_BAD_OP ? "BAD_OP" :
 126                       __entry->res == XEN_MC_XE_NO_SPACE ? "NO_SPACE" : "???")
 127         );
 128 #endif /*  _TRACE_XEN_H */
 129
 130 /* This part must be outside protection */
 131 #include <trace/define_trace.h>