+ .class = &event_class_##template, \
+ .event.funcs = &ftrace_event_type_funcs_##call, \
+ .print_fmt = print_fmt_##call, \
+}
+
+#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+
+/*
+ * Define the insertion callback to perf events
+ *
+ * The job is very similar to ftrace_raw_event_<call> except that we don't
+ * insert in the ring buffer but in a perf counter.
+ *
+ * static void ftrace_perf_<call>(proto)
+ * {
+ * struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
+ * struct ftrace_event_call *event_call = &event_<call>;
+ * extern void perf_tp_event(int, u64, u64, void *, int);
+ * struct ftrace_raw_##call *entry;
+ * struct perf_trace_buf *trace_buf;
+ * u64 __addr = 0, __count = 1;
+ * unsigned long irq_flags;
+ * struct trace_entry *ent;
+ * int __entry_size;
+ * int __data_size;
+ * int __cpu
+ * int pc;
+ *
+ * pc = preempt_count();
+ *
+ * __data_size = ftrace_get_offsets_<call>(&__data_offsets, args);
+ *
+ * // Below we want to get the aligned size by taking into account
+ * // the u32 field that will later store the buffer size
+ * __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),
+ * sizeof(u64));
+ * __entry_size -= sizeof(u32);
+ *
+ * // Protect the non nmi buffer
+ * // This also protects the rcu read side
+ * local_irq_save(irq_flags);
+ * __cpu = smp_processor_id();
+ *
+ * if (in_nmi())
+ * trace_buf = rcu_dereference_sched(perf_trace_buf_nmi);
+ * else
+ * trace_buf = rcu_dereference_sched(perf_trace_buf);
+ *
+ * if (!trace_buf)
+ * goto end;
+ *
+ * trace_buf = per_cpu_ptr(trace_buf, __cpu);
+ *
+ * // Avoid recursion from perf that could mess up the buffer
+ * if (trace_buf->recursion++)
+ * goto end_recursion;
+ *
+ * raw_data = trace_buf->buf;
+ *
+ * // Make recursion update visible before entering perf_tp_event
+ * // so that we protect from perf recursions.
+ *
+ * barrier();
+ *
+ * //zero dead bytes from alignment to avoid stack leak to userspace:
+ * *(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL;
+ * entry = (struct ftrace_raw_<call> *)raw_data;
+ * ent = &entry->ent;
+ * tracing_generic_entry_update(ent, irq_flags, pc);
+ * ent->type = event_call->id;
+ *
+ * <tstruct> <- do some jobs with dynamic arrays
+ *
+ * <assign> <- affect our values
+ *
+ * perf_tp_event(event_call->id, __addr, __count, entry,
+ * __entry_size); <- submit them to perf counter
+ *
+ * }
+ */
+
+#ifdef CONFIG_PERF_EVENTS
+
+#undef __entry
+#define __entry entry
+
+#undef __get_dynamic_array
+#define __get_dynamic_array(field) \
+ ((void *)__entry + (__entry->__data_loc_##field & 0xffff))
+
+#undef __get_str
+#define __get_str(field) (char *)__get_dynamic_array(field)
+
+#undef __perf_addr
+#define __perf_addr(a) __addr = (a)
+
+#undef __perf_count
+#define __perf_count(c) __count = (c)
+
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
+static notrace void \
+perf_trace_##call(void *__data, proto) \
+{ \
+ struct ftrace_event_call *event_call = __data; \
+ struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
+ struct ftrace_raw_##call *entry; \
+ struct pt_regs __regs; \
+ u64 __addr = 0, __count = 1; \
+ struct hlist_head *head; \
+ int __entry_size; \
+ int __data_size; \
+ int rctx; \
+ \
+ perf_fetch_caller_regs(&__regs, 1); \
+ \
+ __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
+ __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
+ sizeof(u64)); \
+ __entry_size -= sizeof(u32); \
+ \
+ if (WARN_ONCE(__entry_size > PERF_MAX_TRACE_SIZE, \
+ "profile buffer not large enough")) \
+ return; \
+ \
+ entry = (struct ftrace_raw_##call *)perf_trace_buf_prepare( \
+ __entry_size, event_call->event.type, &__regs, &rctx); \
+ if (!entry) \
+ return; \
+ \
+ tstruct \
+ \
+ { assign; } \
+ \
+ head = per_cpu_ptr(event_call->perf_events, smp_processor_id());\
+ perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \
+ __count, &__regs, head); \
+}
+
+/*
+ * This part is compiled out, it is only here as a build time check
+ * to make sure that if the tracepoint handling changes, the
+ * perf probe will fail to compile unless it too is updated.
+ */
+#undef DEFINE_EVENT
+#define DEFINE_EVENT(template, call, proto, args) \
+static inline void perf_test_probe_##call(void) \
+{ \
+ check_trace_callback_type_##call(perf_trace_##template); \