*
* Override the macros in <trace/trace_events.h> to include the following:
*
- * struct ftrace_raw_<call> {
+ * struct trace_event_raw_<call> {
* struct trace_entry ent;
* <type> <item>;
* <type2> <item2>[<len>];
* in the structure.
*/
-#include <linux/ftrace_event.h>
+#include <linux/trace_events.h>
#ifndef TRACE_SYSTEM_VAR
#define TRACE_SYSTEM_VAR TRACE_SYSTEM
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print) \
- struct ftrace_raw_##name { \
+ struct trace_event_raw_##name { \
struct trace_entry ent; \
tstruct \
char __data[0]; \
}; \
\
- static struct ftrace_event_class event_class_##name;
+ static struct trace_event_class event_class_##name;
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, name, proto, args) \
- static struct ftrace_event_call __used \
+ static struct trace_event_call __used \
__attribute__((__aligned__(4))) event_##name
#undef DEFINE_EVENT_FN
*
* Include the following:
*
- * struct ftrace_data_offsets_<call> {
+ * struct trace_event_data_offsets_<call> {
* u32 <item1>;
* u32 <item2>;
* [...]
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
- struct ftrace_data_offsets_##call { \
+ struct trace_event_data_offsets_##call { \
tstruct; \
};
* Override the macros in <trace/trace_events.h> to include the following:
*
* enum print_line_t
- * ftrace_raw_output_<call>(struct trace_iterator *iter, int flags)
+ * trace_raw_output_<call>(struct trace_iterator *iter, int flags)
* {
* struct trace_seq *s = &iter->seq;
- * struct ftrace_raw_<call> *field; <-- defined in stage 1
+ * struct trace_event_raw_<call> *field; <-- defined in stage 1
* struct trace_entry *entry;
* struct trace_seq *p = &iter->tmp_seq;
* int ret;
void *__bitmask = __get_dynamic_array(field); \
unsigned int __bitmask_size; \
__bitmask_size = __get_dynamic_array_len(field); \
- ftrace_print_bitmask_seq(p, __bitmask, __bitmask_size); \
+ trace_print_bitmask_seq(p, __bitmask, __bitmask_size); \
})
#undef __print_flags
({ \
static const struct trace_print_flags __flags[] = \
{ flag_array, { -1, NULL }}; \
- ftrace_print_flags_seq(p, delim, flag, __flags); \
+ trace_print_flags_seq(p, delim, flag, __flags); \
})
#undef __print_symbolic
({ \
static const struct trace_print_flags symbols[] = \
{ symbol_array, { -1, NULL }}; \
- ftrace_print_symbols_seq(p, value, symbols); \
+ trace_print_symbols_seq(p, value, symbols); \
})
#undef __print_symbolic_u64
({ \
static const struct trace_print_flags_u64 symbols[] = \
{ symbol_array, { -1, NULL } }; \
- ftrace_print_symbols_seq_u64(p, value, symbols); \
+ trace_print_symbols_seq_u64(p, value, symbols); \
})
#else
#define __print_symbolic_u64(value, symbol_array...) \
#endif
#undef __print_hex
-#define __print_hex(buf, buf_len) ftrace_print_hex_seq(p, buf, buf_len)
+#define __print_hex(buf, buf_len) trace_print_hex_seq(p, buf, buf_len)
#undef __print_array
#define __print_array(array, count, el_size) \
({ \
BUILD_BUG_ON(el_size != 1 && el_size != 2 && \
el_size != 4 && el_size != 8); \
- ftrace_print_array_seq(p, array, count, el_size); \
+ trace_print_array_seq(p, array, count, el_size); \
})
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
static notrace enum print_line_t \
-ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \
- struct trace_event *trace_event) \
+trace_raw_output_##call(struct trace_iterator *iter, int flags, \
+ struct trace_event *trace_event) \
{ \
struct trace_seq *s = &iter->seq; \
struct trace_seq __maybe_unused *p = &iter->tmp_seq; \
- struct ftrace_raw_##call *field; \
+ struct trace_event_raw_##call *field; \
int ret; \
\
field = (typeof(field))iter->ent; \
\
- ret = ftrace_raw_output_prep(iter, trace_event); \
+ ret = trace_raw_output_prep(iter, trace_event); \
if (ret != TRACE_TYPE_HANDLED) \
return ret; \
\
\
return trace_handle_return(s); \
} \
-static struct trace_event_functions ftrace_event_type_funcs_##call = { \
- .trace = ftrace_raw_output_##call, \
+static struct trace_event_functions trace_event_type_funcs_##call = { \
+ .trace = trace_raw_output_##call, \
};
#undef DEFINE_EVENT_PRINT
#define DEFINE_EVENT_PRINT(template, call, proto, args, print) \
static notrace enum print_line_t \
-ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \
+trace_raw_output_##call(struct trace_iterator *iter, int flags, \
struct trace_event *event) \
{ \
- struct ftrace_raw_##template *field; \
+ struct trace_event_raw_##template *field; \
struct trace_entry *entry; \
struct trace_seq *p = &iter->tmp_seq; \
\
field = (typeof(field))entry; \
\
trace_seq_init(p); \
- return ftrace_output_call(iter, #call, print); \
+ return trace_output_call(iter, #call, print); \
} \
-static struct trace_event_functions ftrace_event_type_funcs_##call = { \
- .trace = ftrace_raw_output_##call, \
+static struct trace_event_functions trace_event_type_funcs_##call = { \
+ .trace = trace_raw_output_##call, \
};
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \
static int notrace __init \
-ftrace_define_fields_##call(struct ftrace_event_call *event_call) \
+trace_event_define_fields_##call(struct trace_event_call *event_call) \
{ \
- struct ftrace_raw_##call field; \
+ struct trace_event_raw_##call field; \
int ret; \
\
tstruct; \
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
-static inline notrace int ftrace_get_offsets_##call( \
- struct ftrace_data_offsets_##call *__data_offsets, proto) \
+static inline notrace int trace_event_get_offsets_##call( \
+ struct trace_event_data_offsets_##call *__data_offsets, proto) \
{ \
int __data_size = 0; \
int __maybe_unused __item_length; \
- struct ftrace_raw_##call __maybe_unused *entry; \
+ struct trace_event_raw_##call __maybe_unused *entry; \
\
tstruct; \
\
*
* For those macros defined with TRACE_EVENT:
*
- * static struct ftrace_event_call event_<call>;
+ * static struct trace_event_call event_<call>;
*
- * static void ftrace_raw_event_<call>(void *__data, proto)
+ * static void trace_event_raw_event_<call>(void *__data, proto)
* {
- * struct ftrace_event_file *ftrace_file = __data;
- * struct ftrace_event_call *event_call = ftrace_file->event_call;
- * struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
- * unsigned long eflags = ftrace_file->flags;
+ * struct trace_event_file *trace_file = __data;
+ * struct trace_event_call *event_call = trace_file->event_call;
+ * struct trace_event_data_offsets_<call> __maybe_unused __data_offsets;
+ * unsigned long eflags = trace_file->flags;
* enum event_trigger_type __tt = ETT_NONE;
* struct ring_buffer_event *event;
- * struct ftrace_raw_<call> *entry; <-- defined in stage 1
+ * struct trace_event_raw_<call> *entry; <-- defined in stage 1
* struct ring_buffer *buffer;
* unsigned long irq_flags;
* int __data_size;
* int pc;
*
- * if (!(eflags & FTRACE_EVENT_FL_TRIGGER_COND)) {
- * if (eflags & FTRACE_EVENT_FL_TRIGGER_MODE)
- * event_triggers_call(ftrace_file, NULL);
- * if (eflags & FTRACE_EVENT_FL_SOFT_DISABLED)
+ * if (!(eflags & EVENT_FILE_FL_TRIGGER_COND)) {
+ * if (eflags & EVENT_FILE_FL_TRIGGER_MODE)
+ * event_triggers_call(trace_file, NULL);
+ * if (eflags & EVENT_FILE_FL_SOFT_DISABLED)
* return;
* }
*
* local_save_flags(irq_flags);
* pc = preempt_count();
*
- * __data_size = ftrace_get_offsets_<call>(&__data_offsets, args);
+ * __data_size = trace_event_get_offsets_<call>(&__data_offsets, args);
*
- * event = trace_event_buffer_lock_reserve(&buffer, ftrace_file,
+ * event = trace_event_buffer_lock_reserve(&buffer, trace_file,
* event_<call>->event.type,
* sizeof(*entry) + __data_size,
* irq_flags, pc);
* { <assign>; } <-- Here we assign the entries by the __field and
* __array macros.
*
- * if (eflags & FTRACE_EVENT_FL_TRIGGER_COND)
- * __tt = event_triggers_call(ftrace_file, entry);
+ * if (eflags & EVENT_FILE_FL_TRIGGER_COND)
+ * __tt = event_triggers_call(trace_file, entry);
*
- * if (test_bit(FTRACE_EVENT_FL_SOFT_DISABLED_BIT,
- * &ftrace_file->flags))
+ * if (test_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT,
+ * &trace_file->flags))
* ring_buffer_discard_commit(buffer, event);
- * else if (!filter_check_discard(ftrace_file, entry, buffer, event))
+ * else if (!filter_check_discard(trace_file, entry, buffer, event))
* trace_buffer_unlock_commit(buffer, event, irq_flags, pc);
*
* if (__tt)
- * event_triggers_post_call(ftrace_file, __tt);
+ * event_triggers_post_call(trace_file, __tt);
* }
*
* static struct trace_event ftrace_event_type_<call> = {
- * .trace = ftrace_raw_output_<call>, <-- stage 2
+ * .trace = trace_raw_output_<call>, <-- stage 2
* };
*
* static char print_fmt_<call>[] = <TP_printk>;
*
- * static struct ftrace_event_class __used event_class_<template> = {
+ * static struct trace_event_class __used event_class_<template> = {
* .system = "<system>",
- * .define_fields = ftrace_define_fields_<call>,
+ * .define_fields = trace_event_define_fields_<call>,
* .fields = LIST_HEAD_INIT(event_class_##call.fields),
* .raw_init = trace_event_raw_init,
- * .probe = ftrace_raw_event_##call,
- * .reg = ftrace_event_reg,
+ * .probe = trace_event_raw_event_##call,
+ * .reg = trace_event_reg,
* };
*
- * static struct ftrace_event_call event_<call> = {
+ * static struct trace_event_call event_<call> = {
* .class = event_class_<template>,
* {
* .tp = &__tracepoint_<call>,
* };
* // its only safe to use pointers when doing linker tricks to
* // create an array.
- * static struct ftrace_event_call __used
+ * static struct trace_event_call __used
* __attribute__((section("_ftrace_events"))) *__event_<call> = &event_<call>;
*
*/
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
\
static notrace void \
-ftrace_raw_event_##call(void *__data, proto) \
+trace_event_raw_event_##call(void *__data, proto) \
{ \
- struct ftrace_event_file *ftrace_file = __data; \
- struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
- struct ftrace_event_buffer fbuffer; \
- struct ftrace_raw_##call *entry; \
+ struct trace_event_file *trace_file = __data; \
+ struct trace_event_data_offsets_##call __maybe_unused __data_offsets;\
+ struct trace_event_buffer fbuffer; \
+ struct trace_event_raw_##call *entry; \
int __data_size; \
\
- if (ftrace_trigger_soft_disabled(ftrace_file)) \
+ if (trace_trigger_soft_disabled(trace_file)) \
return; \
\
- __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
+ __data_size = trace_event_get_offsets_##call(&__data_offsets, args); \
\
- entry = ftrace_event_buffer_reserve(&fbuffer, ftrace_file, \
+ entry = trace_event_buffer_reserve(&fbuffer, trace_file, \
sizeof(*entry) + __data_size); \
\
if (!entry) \
\
{ assign; } \
\
- ftrace_event_buffer_commit(&fbuffer); \
+ trace_event_buffer_commit(&fbuffer); \
}
/*
* The ftrace_test_probe is compiled out, it is only here as a build time check
#define DEFINE_EVENT(template, call, proto, args) \
static inline void ftrace_test_probe_##call(void) \
{ \
- check_trace_callback_type_##call(ftrace_raw_event_##template); \
+ check_trace_callback_type_##call(trace_event_raw_event_##template); \
}
#undef DEFINE_EVENT_PRINT
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
_TRACE_PERF_PROTO(call, PARAMS(proto)); \
static char print_fmt_##call[] = print; \
-static struct ftrace_event_class __used __refdata event_class_##call = { \
+static struct trace_event_class __used __refdata event_class_##call = { \
.system = TRACE_SYSTEM_STRING, \
- .define_fields = ftrace_define_fields_##call, \
+ .define_fields = trace_event_define_fields_##call, \
.fields = LIST_HEAD_INIT(event_class_##call.fields),\
.raw_init = trace_event_raw_init, \
- .probe = ftrace_raw_event_##call, \
- .reg = ftrace_event_reg, \
+ .probe = trace_event_raw_event_##call, \
+ .reg = trace_event_reg, \
_TRACE_PERF_INIT(call) \
};
#undef DEFINE_EVENT
#define DEFINE_EVENT(template, call, proto, args) \
\
-static struct ftrace_event_call __used event_##call = { \
+static struct trace_event_call __used event_##call = { \
.class = &event_class_##template, \
{ \
.tp = &__tracepoint_##call, \
}, \
- .event.funcs = &ftrace_event_type_funcs_##template, \
+ .event.funcs = &trace_event_type_funcs_##template, \
.print_fmt = print_fmt_##template, \
.flags = TRACE_EVENT_FL_TRACEPOINT, \
}; \
-static struct ftrace_event_call __used \
+static struct trace_event_call __used \
__attribute__((section("_ftrace_events"))) *__event_##call = &event_##call
#undef DEFINE_EVENT_PRINT
\
static char print_fmt_##call[] = print; \
\
-static struct ftrace_event_call __used event_##call = { \
+static struct trace_event_call __used event_##call = { \
.class = &event_class_##template, \
{ \
.tp = &__tracepoint_##call, \
}, \
- .event.funcs = &ftrace_event_type_funcs_##call, \
+ .event.funcs = &trace_event_type_funcs_##call, \
.print_fmt = print_fmt_##call, \
.flags = TRACE_EVENT_FL_TRACEPOINT, \
}; \
-static struct ftrace_event_call __used \
+static struct trace_event_call __used \
__attribute__((section("_ftrace_events"))) *__event_##call = &event_##call
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-
-#undef TRACE_SYSTEM_VAR
-
-#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_dynamic_array_len
-#define __get_dynamic_array_len(field) \
- ((__entry->__data_loc_##field >> 16) & 0xffff)
-
-#undef __get_str
-#define __get_str(field) (char *)__get_dynamic_array(field)
-
-#undef __get_bitmask
-#define __get_bitmask(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 __perf_task
-#define __perf_task(t) (__task = (t))
-
-#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 task_struct *__task = NULL; \
- struct hlist_head *head; \
- int __entry_size; \
- int __data_size; \
- int rctx; \
- \
- __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
- \
- head = this_cpu_ptr(event_call->perf_events); \
- if (__builtin_constant_p(!__task) && !__task && \
- hlist_empty(head)) \
- return; \
- \
- __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
- sizeof(u64)); \
- __entry_size -= sizeof(u32); \
- \
- entry = perf_trace_buf_prepare(__entry_size, \
- event_call->event.type, &__regs, &rctx); \
- if (!entry) \
- return; \
- \
- perf_fetch_caller_regs(__regs); \
- \
- tstruct \
- \
- { assign; } \
- \
- perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \
- __count, __regs, head, __task); \
-}
-
-/*
- * 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); \
-}
-
-
-#undef DEFINE_EVENT_PRINT
-#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
- DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
-
-#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-#endif /* CONFIG_PERF_EVENTS */
-
Code Review / kvmfornfv.git / blobdiff