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trace: rename trace_enum_map to trace_eval_map 

Each enum is loaded into the trace_enum_map, as we
are now using this for more than enums rename it.

Link: http://lkml.kernel.org/r/20170531215653.3240-3-jeremy.linton@arm.com

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Jeremy Linton 2017-05-31 16:56:43 -05:00 committed by Steven Rostedt (VMware)
parent 02fd7f68f5
commit 00f4b652b6
6 changed files with 29 additions and 29 deletions
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2
include/linux/module.h
View File

@ -442,7 +442,7 @@ struct module {
#ifdef CONFIG_EVENT_TRACING
struct trace_event_call **trace_events;
unsigned int num_trace_events;
struct trace_enum_map **trace_enums;
struct trace_eval_map **trace_enums;
unsigned int num_trace_enums;
#endif
#ifdef CONFIG_FTRACE_MCOUNT_RECORD

6
include/linux/tracepoint.h
View File

@ -25,10 +25,10 @@ struct module;
struct tracepoint;
struct notifier_block;
struct trace_enum_map {
struct trace_eval_map {
const char *system;
const char *enum_string;
unsigned long enum_value;
const char *eval_string;
unsigned long eval_value;
};
#define TRACEPOINT_DEFAULT_PRIO 10

8
include/trace/trace_events.h
View File

@ -35,14 +35,14 @@ TRACE_MAKE_SYSTEM_STR();
#undef TRACE_DEFINE_ENUM
#define TRACE_DEFINE_ENUM(a) \
static struct trace_enum_map __used __initdata \
static struct trace_eval_map __used __initdata \
__##TRACE_SYSTEM##_##a = \
{ \
.system = TRACE_SYSTEM_STRING, \
.enum_string = #a, \
.enum_value = a \
.eval_string = #a, \
.eval_value = a \
}; \
static struct trace_enum_map __used \
static struct trace_eval_map __used \
__attribute__((section("_ftrace_eval_map"))) \
*TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a

24
kernel/trace/trace.c
View File

@ -132,7 +132,7 @@ union trace_enum_map_item;
struct trace_enum_map_tail {
/*
* "end" is first and points to NULL as it must be different
* than "mod" or "enum_string"
* than "mod" or "eval_string"
*/
union trace_enum_map_item *next;
const char *end; /* points to NULL */
@ -148,7 +148,7 @@ static DEFINE_MUTEX(trace_enum_mutex);
* pointer to the next array of saved enum_map items.
*/
union trace_enum_map_item {
struct trace_enum_map map;
struct trace_eval_map map;
struct trace_enum_map_head head;
struct trace_enum_map_tail tail;
};
@ -4748,7 +4748,7 @@ static const struct file_operations tracing_saved_cmdlines_size_fops = {
static union trace_enum_map_item *
update_enum_map(union trace_enum_map_item *ptr)
{
if (!ptr->map.enum_string) {
if (!ptr->map.eval_string) {
if (ptr->tail.next) {
ptr = ptr->tail.next;
/* Set ptr to the next real item (skip head) */
@ -4808,7 +4808,7 @@ static int enum_map_show(struct seq_file *m, void *v)
union trace_enum_map_item *ptr = v;
seq_printf(m, "%s %ld (%s)\n",
ptr->map.enum_string, ptr->map.enum_value,
ptr->map.eval_string, ptr->map.eval_value,
ptr->map.system);
return 0;
@ -4844,11 +4844,11 @@ trace_enum_jmp_to_tail(union trace_enum_map_item *ptr)
}
static void
trace_insert_enum_map_file(struct module *mod, struct trace_enum_map **start,
trace_insert_enum_map_file(struct module *mod, struct trace_eval_map **start,
int len)
{
struct trace_enum_map **stop;
struct trace_enum_map **map;
struct trace_eval_map **stop;
struct trace_eval_map **map;
union trace_enum_map_item *map_array;
union trace_enum_map_item *ptr;
@ -4902,13 +4902,13 @@ static void trace_create_enum_file(struct dentry *d_tracer)
#else /* CONFIG_TRACE_ENUM_MAP_FILE */
static inline void trace_create_enum_file(struct dentry *d_tracer) { }
static inline void trace_insert_enum_map_file(struct module *mod,
struct trace_enum_map **start, int len) { }
struct trace_eval_map **start, int len) { }
#endif /* !CONFIG_TRACE_ENUM_MAP_FILE */
static void trace_insert_enum_map(struct module *mod,
struct trace_enum_map **start, int len)
struct trace_eval_map **start, int len)
{
struct trace_enum_map **map;
struct trace_eval_map **map;
if (len <= 0)
return;
@ -7732,8 +7732,8 @@ struct dentry *tracing_init_dentry(void)
return NULL;
}
extern struct trace_enum_map *__start_ftrace_eval_maps[];
extern struct trace_enum_map *__stop_ftrace_eval_maps[];
extern struct trace_eval_map *__start_ftrace_eval_maps[];
extern struct trace_eval_map *__stop_ftrace_eval_maps[];
static void __init trace_enum_init(void)
{

4
kernel/trace/trace.h
View File

@ -1773,10 +1773,10 @@ static inline const char *get_syscall_name(int syscall)
#ifdef CONFIG_EVENT_TRACING
void trace_event_init(void);
void trace_event_enum_update(struct trace_enum_map **map, int len);
void trace_event_enum_update(struct trace_eval_map **map, int len);
#else
static inline void __init trace_event_init(void) { }
static inline void trace_event_enum_update(struct trace_enum_map **map, int len) { }
static inline void trace_event_enum_update(struct trace_eval_map **map, int len) { }
#endif
extern struct trace_iterator *tracepoint_print_iter;

14
kernel/trace/trace_events.c
View File

@ -2067,18 +2067,18 @@ __register_event(struct trace_event_call *call, struct module *mod)
return 0;
}
static char *enum_replace(char *ptr, struct trace_enum_map *map, int len)
static char *enum_replace(char *ptr, struct trace_eval_map *map, int len)
{
int rlen;
int elen;
/* Find the length of the enum value as a string */
elen = snprintf(ptr, 0, "%ld", map->enum_value);
elen = snprintf(ptr, 0, "%ld", map->eval_value);
/* Make sure there's enough room to replace the string with the value */
if (len < elen)
return NULL;
snprintf(ptr, elen + 1, "%ld", map->enum_value);
snprintf(ptr, elen + 1, "%ld", map->eval_value);
/* Get the rest of the string of ptr */
rlen = strlen(ptr + len);
@ -2090,11 +2090,11 @@ static char *enum_replace(char *ptr, struct trace_enum_map *map, int len)
}
static void update_event_printk(struct trace_event_call *call,
struct trace_enum_map *map)
struct trace_eval_map *map)
{
char *ptr;
int quote = 0;
int len = strlen(map->enum_string);
int len = strlen(map->eval_string);
for (ptr = call->print_fmt; *ptr; ptr++) {
if (*ptr == '\\') {
@ -2125,7 +2125,7 @@ static void update_event_printk(struct trace_event_call *call,
continue;
}
if (isalpha(*ptr) || *ptr == '_') {
if (strncmp(map->enum_string, ptr, len) == 0 &&
if (strncmp(map->eval_string, ptr, len) == 0 &&
!isalnum(ptr[len]) && ptr[len] != '_') {
ptr = enum_replace(ptr, map, len);
/* Hmm, enum string smaller than value */
@ -2165,7 +2165,7 @@ static void update_event_printk(struct trace_event_call *call,
}
}
void trace_event_enum_update(struct trace_enum_map **map, int len)
void trace_event_enum_update(struct trace_eval_map **map, int len)
{
struct trace_event_call *call, *p;
const char *last_system = NULL;