ef18012b24
Impact: clean up There existed a lot of <space><tab>'s in the tracing code. This patch removes them. Signed-off-by: Steven Rostedt <srostedt@redhat.com>
102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/*
|
|
* trace_export.c - export basic ftrace utilities to user space
|
|
*
|
|
* Copyright (C) 2009 Steven Rostedt <srostedt@redhat.com>
|
|
*/
|
|
#include <linux/stringify.h>
|
|
#include <linux/kallsyms.h>
|
|
#include <linux/seq_file.h>
|
|
#include <linux/debugfs.h>
|
|
#include <linux/uaccess.h>
|
|
#include <linux/ftrace.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/fs.h>
|
|
|
|
#include "trace_output.h"
|
|
|
|
|
|
#undef TRACE_STRUCT
|
|
#define TRACE_STRUCT(args...) args
|
|
|
|
#undef TRACE_FIELD
|
|
#define TRACE_FIELD(type, item, assign) \
|
|
ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t" \
|
|
"offset:%u;\tsize:%u;\n", \
|
|
(unsigned int)offsetof(typeof(field), item), \
|
|
(unsigned int)sizeof(field.item)); \
|
|
if (!ret) \
|
|
return 0;
|
|
|
|
|
|
#undef TRACE_FIELD_SPECIAL
|
|
#define TRACE_FIELD_SPECIAL(type_item, item, cmd) \
|
|
ret = trace_seq_printf(s, "\tfield special:" #type_item ";\t" \
|
|
"offset:%u;\tsize:%u;\n", \
|
|
(unsigned int)offsetof(typeof(field), item), \
|
|
(unsigned int)sizeof(field.item)); \
|
|
if (!ret) \
|
|
return 0;
|
|
|
|
#undef TRACE_FIELD_ZERO_CHAR
|
|
#define TRACE_FIELD_ZERO_CHAR(item) \
|
|
ret = trace_seq_printf(s, "\tfield: char " #item ";\t" \
|
|
"offset:%u;\tsize:0;\n", \
|
|
(unsigned int)offsetof(typeof(field), item)); \
|
|
if (!ret) \
|
|
return 0;
|
|
|
|
|
|
#undef TP_RAW_FMT
|
|
#define TP_RAW_FMT(args...) args
|
|
|
|
#undef TRACE_EVENT_FORMAT
|
|
#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \
|
|
static int \
|
|
ftrace_format_##call(struct trace_seq *s) \
|
|
{ \
|
|
struct args field; \
|
|
int ret; \
|
|
\
|
|
tstruct; \
|
|
\
|
|
trace_seq_printf(s, "\nprint fmt: \"%s\"\n", tpfmt); \
|
|
\
|
|
return ret; \
|
|
}
|
|
|
|
#include "trace_event_types.h"
|
|
|
|
#undef TRACE_ZERO_CHAR
|
|
#define TRACE_ZERO_CHAR(arg)
|
|
|
|
#undef TRACE_FIELD
|
|
#define TRACE_FIELD(type, item, assign)\
|
|
entry->item = assign;
|
|
|
|
#undef TRACE_FIELD
|
|
#define TRACE_FIELD(type, item, assign)\
|
|
entry->item = assign;
|
|
|
|
#undef TP_CMD
|
|
#define TP_CMD(cmd...) cmd
|
|
|
|
#undef TRACE_ENTRY
|
|
#define TRACE_ENTRY entry
|
|
|
|
#undef TRACE_FIELD_SPECIAL
|
|
#define TRACE_FIELD_SPECIAL(type_item, item, cmd) \
|
|
cmd;
|
|
|
|
#undef TRACE_EVENT_FORMAT
|
|
#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt) \
|
|
\
|
|
static struct ftrace_event_call __used \
|
|
__attribute__((__aligned__(4))) \
|
|
__attribute__((section("_ftrace_events"))) event_##call = { \
|
|
.name = #call, \
|
|
.id = proto, \
|
|
.system = __stringify(TRACE_SYSTEM), \
|
|
.show_format = ftrace_format_##call, \
|
|
}
|
|
#include "trace_event_types.h"
|