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@@ -506,354 +506,3 @@ static inline notrace int ftrace_get_offsets_##call( \
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#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
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-/*
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- * Stage 4 of the trace events.
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- *
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- * Override the macros in <trace/trace_events.h> to include the following:
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- *
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- * For those macros defined with TRACE_EVENT:
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- *
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- * static struct ftrace_event_call event_<call>;
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- *
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- * static void ftrace_raw_event_<call>(void *__data, proto)
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- * {
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- * struct ftrace_event_file *ftrace_file = __data;
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- * struct ftrace_event_call *event_call = ftrace_file->event_call;
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- * struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
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- * unsigned long eflags = ftrace_file->flags;
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- * enum event_trigger_type __tt = ETT_NONE;
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- * struct ring_buffer_event *event;
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- * struct ftrace_raw_<call> *entry; <-- defined in stage 1
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- * struct ring_buffer *buffer;
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- * unsigned long irq_flags;
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- * int __data_size;
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- * int pc;
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- *
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- * if (!(eflags & FTRACE_EVENT_FL_TRIGGER_COND)) {
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- * if (eflags & FTRACE_EVENT_FL_TRIGGER_MODE)
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- * event_triggers_call(ftrace_file, NULL);
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- * if (eflags & FTRACE_EVENT_FL_SOFT_DISABLED)
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- * return;
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- * }
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- *
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- * local_save_flags(irq_flags);
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- * pc = preempt_count();
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- *
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- * __data_size = ftrace_get_offsets_<call>(&__data_offsets, args);
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- *
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- * event = trace_event_buffer_lock_reserve(&buffer, ftrace_file,
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- * event_<call>->event.type,
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- * sizeof(*entry) + __data_size,
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- * irq_flags, pc);
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- * if (!event)
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- * return;
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- * entry = ring_buffer_event_data(event);
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- *
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- * { <assign>; } <-- Here we assign the entries by the __field and
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- * __array macros.
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- *
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- * if (eflags & FTRACE_EVENT_FL_TRIGGER_COND)
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- * __tt = event_triggers_call(ftrace_file, entry);
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- *
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- * if (test_bit(FTRACE_EVENT_FL_SOFT_DISABLED_BIT,
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- * &ftrace_file->flags))
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- * ring_buffer_discard_commit(buffer, event);
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- * else if (!filter_check_discard(ftrace_file, entry, buffer, event))
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- * trace_buffer_unlock_commit(buffer, event, irq_flags, pc);
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- *
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- * if (__tt)
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- * event_triggers_post_call(ftrace_file, __tt);
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- * }
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- *
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- * static struct trace_event ftrace_event_type_<call> = {
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- * .trace = ftrace_raw_output_<call>, <-- stage 2
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- * };
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- *
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- * static char print_fmt_<call>[] = <TP_printk>;
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- *
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- * static struct ftrace_event_class __used event_class_<template> = {
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- * .system = "<system>",
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- * .define_fields = ftrace_define_fields_<call>,
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- * .fields = LIST_HEAD_INIT(event_class_##call.fields),
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- * .raw_init = trace_event_raw_init,
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- * .probe = ftrace_raw_event_##call,
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- * .reg = ftrace_event_reg,
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- * };
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- *
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- * static struct ftrace_event_call event_<call> = {
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- * .class = event_class_<template>,
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- * {
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- * .tp = &__tracepoint_<call>,
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- * },
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- * .event = &ftrace_event_type_<call>,
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- * .print_fmt = print_fmt_<call>,
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- * .flags = TRACE_EVENT_FL_TRACEPOINT,
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- * };
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- * // its only safe to use pointers when doing linker tricks to
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- * // create an array.
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- * static struct ftrace_event_call __used
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- * __attribute__((section("_ftrace_events"))) *__event_<call> = &event_<call>;
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- *
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- */
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-
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-#ifdef CONFIG_PERF_EVENTS
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-
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-#define _TRACE_PERF_PROTO(call, proto) \
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- static notrace void \
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- perf_trace_##call(void *__data, proto);
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-
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-#define _TRACE_PERF_INIT(call) \
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- .perf_probe = perf_trace_##call,
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-
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-#else
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-#define _TRACE_PERF_PROTO(call, proto)
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-#define _TRACE_PERF_INIT(call)
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-#endif /* CONFIG_PERF_EVENTS */
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-
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-#undef __entry
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-#define __entry entry
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-
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-#undef __field
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-#define __field(type, item)
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-
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-#undef __field_struct
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-#define __field_struct(type, item)
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-
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-#undef __array
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-#define __array(type, item, len)
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-
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-#undef __dynamic_array
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-#define __dynamic_array(type, item, len) \
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- __entry->__data_loc_##item = __data_offsets.item;
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-
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-#undef __string
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-#define __string(item, src) __dynamic_array(char, item, -1)
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-
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-#undef __assign_str
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-#define __assign_str(dst, src) \
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- strcpy(__get_str(dst), (src) ? (const char *)(src) : "(null)");
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-
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-#undef __bitmask
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-#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
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-
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-#undef __get_bitmask
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-#define __get_bitmask(field) (char *)__get_dynamic_array(field)
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-
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-#undef __assign_bitmask
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-#define __assign_bitmask(dst, src, nr_bits) \
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- memcpy(__get_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
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-
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-#undef TP_fast_assign
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-#define TP_fast_assign(args...) args
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-
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-#undef __perf_addr
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-#define __perf_addr(a) (a)
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-
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-#undef __perf_count
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-#define __perf_count(c) (c)
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-
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-#undef __perf_task
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-#define __perf_task(t) (t)
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-
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-#undef DECLARE_EVENT_CLASS
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-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
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- \
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-static notrace void \
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-ftrace_raw_event_##call(void *__data, proto) \
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-{ \
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- struct ftrace_event_file *ftrace_file = __data; \
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- struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
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- struct ftrace_event_buffer fbuffer; \
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- struct ftrace_raw_##call *entry; \
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- int __data_size; \
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- \
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- if (ftrace_trigger_soft_disabled(ftrace_file)) \
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- return; \
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- \
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- __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
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- \
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- entry = ftrace_event_buffer_reserve(&fbuffer, ftrace_file, \
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- sizeof(*entry) + __data_size); \
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- \
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- if (!entry) \
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- return; \
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- \
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- tstruct \
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- \
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- { assign; } \
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- \
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- ftrace_event_buffer_commit(&fbuffer); \
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-}
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-/*
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- * The ftrace_test_probe is compiled out, it is only here as a build time check
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- * to make sure that if the tracepoint handling changes, the ftrace probe will
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- * fail to compile unless it too is updated.
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- */
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-
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-#undef DEFINE_EVENT
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-#define DEFINE_EVENT(template, call, proto, args) \
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-static inline void ftrace_test_probe_##call(void) \
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-{ \
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- check_trace_callback_type_##call(ftrace_raw_event_##template); \
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-}
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-
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-#undef DEFINE_EVENT_PRINT
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-#define DEFINE_EVENT_PRINT(template, name, proto, args, print)
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-
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-#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
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-
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-#undef __entry
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-#define __entry REC
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-
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-#undef __print_flags
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-#undef __print_symbolic
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-#undef __print_hex
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-#undef __get_dynamic_array
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-#undef __get_dynamic_array_len
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-#undef __get_str
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-#undef __get_bitmask
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-#undef __print_array
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-
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-#undef TP_printk
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-#define TP_printk(fmt, args...) "\"" fmt "\", " __stringify(args)
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-
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-#undef DECLARE_EVENT_CLASS
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-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
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-_TRACE_PERF_PROTO(call, PARAMS(proto)); \
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-static char print_fmt_##call[] = print; \
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-static struct ftrace_event_class __used __refdata event_class_##call = { \
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- .system = TRACE_SYSTEM_STRING, \
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- .define_fields = ftrace_define_fields_##call, \
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- .fields = LIST_HEAD_INIT(event_class_##call.fields),\
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- .raw_init = trace_event_raw_init, \
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- .probe = ftrace_raw_event_##call, \
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- .reg = ftrace_event_reg, \
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- _TRACE_PERF_INIT(call) \
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-};
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-
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-#undef DEFINE_EVENT
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-#define DEFINE_EVENT(template, call, proto, args) \
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- \
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-static struct ftrace_event_call __used event_##call = { \
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- .class = &event_class_##template, \
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- { \
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- .tp = &__tracepoint_##call, \
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- }, \
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- .event.funcs = &ftrace_event_type_funcs_##template, \
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- .print_fmt = print_fmt_##template, \
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- .flags = TRACE_EVENT_FL_TRACEPOINT, \
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-}; \
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-static struct ftrace_event_call __used \
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-__attribute__((section("_ftrace_events"))) *__event_##call = &event_##call
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-
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-#undef DEFINE_EVENT_PRINT
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-#define DEFINE_EVENT_PRINT(template, call, proto, args, print) \
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- \
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-static char print_fmt_##call[] = print; \
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- \
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-static struct ftrace_event_call __used event_##call = { \
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- .class = &event_class_##template, \
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- { \
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- .tp = &__tracepoint_##call, \
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- }, \
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- .event.funcs = &ftrace_event_type_funcs_##call, \
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- .print_fmt = print_fmt_##call, \
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- .flags = TRACE_EVENT_FL_TRACEPOINT, \
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-}; \
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-static struct ftrace_event_call __used \
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-__attribute__((section("_ftrace_events"))) *__event_##call = &event_##call
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-
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-#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
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-
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-#undef TRACE_SYSTEM_VAR
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-
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-#ifdef CONFIG_PERF_EVENTS
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-
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-#undef __entry
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-#define __entry entry
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-
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-#undef __get_dynamic_array
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-#define __get_dynamic_array(field) \
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- ((void *)__entry + (__entry->__data_loc_##field & 0xffff))
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-
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-#undef __get_dynamic_array_len
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-#define __get_dynamic_array_len(field) \
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- ((__entry->__data_loc_##field >> 16) & 0xffff)
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-
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-#undef __get_str
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-#define __get_str(field) (char *)__get_dynamic_array(field)
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-
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-#undef __get_bitmask
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-#define __get_bitmask(field) (char *)__get_dynamic_array(field)
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-
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-#undef __perf_addr
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-#define __perf_addr(a) (__addr = (a))
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-
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-#undef __perf_count
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-#define __perf_count(c) (__count = (c))
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-
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-#undef __perf_task
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-#define __perf_task(t) (__task = (t))
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-
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-#undef DECLARE_EVENT_CLASS
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-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
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-static notrace void \
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-perf_trace_##call(void *__data, proto) \
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-{ \
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- struct ftrace_event_call *event_call = __data; \
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- struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
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- struct ftrace_raw_##call *entry; \
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- struct pt_regs *__regs; \
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- u64 __addr = 0, __count = 1; \
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- struct task_struct *__task = NULL; \
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- struct hlist_head *head; \
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- int __entry_size; \
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- int __data_size; \
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- int rctx; \
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- \
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- __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
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- \
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- head = this_cpu_ptr(event_call->perf_events); \
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- if (__builtin_constant_p(!__task) && !__task && \
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- hlist_empty(head)) \
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- return; \
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- \
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- __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
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- sizeof(u64)); \
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- __entry_size -= sizeof(u32); \
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- \
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- entry = perf_trace_buf_prepare(__entry_size, \
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- event_call->event.type, &__regs, &rctx); \
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- if (!entry) \
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- return; \
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- \
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- perf_fetch_caller_regs(__regs); \
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- \
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- tstruct \
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- \
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- { assign; } \
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- \
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- perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \
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- __count, __regs, head, __task); \
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-}
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-
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-/*
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- * This part is compiled out, it is only here as a build time check
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- * to make sure that if the tracepoint handling changes, the
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- * perf probe will fail to compile unless it too is updated.
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- */
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-#undef DEFINE_EVENT
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-#define DEFINE_EVENT(template, call, proto, args) \
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-static inline void perf_test_probe_##call(void) \
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-{ \
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- check_trace_callback_type_##call(perf_trace_##template); \
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-}
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-
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-
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-#undef DEFINE_EVENT_PRINT
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-#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
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- DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
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-
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-#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
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-#endif /* CONFIG_PERF_EVENTS */
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-
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