Re: [PATCH 13/14] tools/lib/traceevent: Add prefix tep_ to enum filter_trivial_type and all its members. Rename data2host*() APIs

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Hi Tzvetomir,

I applied all but the last two (starting with this one).

On Fri, 10 Aug 2018 16:17:31 +0300
"Tzvetomir Stoyanov (VMware)" <tz.stoyanov@xxxxxxxxx> wrote:

> In order to make libtraceevent into a proper library, variables, data
> structures and functions require a unique prefix to prevent name space
> conflicts. That prefix will be "tep_". This adds prefix tep_ to
> enum filter_trivial_type and all its members, and renames data2host*() APIs

Please break out the rename of data2host*() from this patch and make it
a separate patch. Those two changes don't group well together. They are
two different entities.

Thanks!

-- Steve

> 
> Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
> ---
>  tools/lib/traceevent/event-parse.c  | 10 +++++-----
>  tools/lib/traceevent/event-parse.h  | 28 ++++++++++++++--------------
>  tools/lib/traceevent/parse-filter.c | 22 +++++++++++-----------
>  tools/perf/util/trace-event-read.c  |  4 ++--
>  4 files changed, 32 insertions(+), 32 deletions(-)
> 
> diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
> index 5a6e29c4b5cf..29e0825fbb92 100644
> --- a/tools/lib/traceevent/event-parse.c
> +++ b/tools/lib/traceevent/event-parse.c
> @@ -3344,11 +3344,11 @@ unsigned long long tep_read_number(struct tep_handle *pevent,
>  	case 1:
>  		return *(unsigned char *)ptr;
>  	case 2:
> -		return data2host2(pevent, ptr);
> +		return tep_data2host2(pevent, ptr);
>  	case 4:
> -		return data2host4(pevent, ptr);
> +		return tep_data2host4(pevent, ptr);
>  	case 8:
> -		return data2host8(pevent, ptr);
> +		return tep_data2host8(pevent, ptr);
>  	default:
>  		/* BUG! */
>  		return 0;
> @@ -4074,7 +4074,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
>  			f = tep_find_any_field(event, arg->string.string);
>  			arg->string.offset = f->offset;
>  		}
> -		str_offset = data2host4(pevent, data + arg->string.offset);
> +		str_offset = tep_data2host4(pevent, data + arg->string.offset);
>  		str_offset &= 0xffff;
>  		print_str_to_seq(s, format, len_arg, ((char *)data) + str_offset);
>  		break;
> @@ -4092,7 +4092,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
>  			f = tep_find_any_field(event, arg->bitmask.bitmask);
>  			arg->bitmask.offset = f->offset;
>  		}
> -		bitmask_offset = data2host4(pevent, data + arg->bitmask.offset);
> +		bitmask_offset = tep_data2host4(pevent, data + arg->bitmask.offset);
>  		bitmask_size = bitmask_offset >> 16;
>  		bitmask_offset &= 0xffff;
>  		print_bitmask_to_seq(pevent, s, format, len_arg,
> diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
> index 52355417f3de..4b0ab69f6b3a 100644
> --- a/tools/lib/traceevent/event-parse.h
> +++ b/tools/lib/traceevent/event-parse.h
> @@ -538,7 +538,7 @@ static inline void tep_set_flag(struct tep_handle *pevent, int flag)
>  }
>  
>  static inline unsigned short
> -__data2host2(struct tep_handle *pevent, unsigned short data)
> +__tep_data2host2(struct tep_handle *pevent, unsigned short data)
>  {
>  	unsigned short swap;
>  
> @@ -552,7 +552,7 @@ __data2host2(struct tep_handle *pevent, unsigned short data)
>  }
>  
>  static inline unsigned int
> -__data2host4(struct tep_handle *pevent, unsigned int data)
> +__tep_data2host4(struct tep_handle *pevent, unsigned int data)
>  {
>  	unsigned int swap;
>  
> @@ -568,7 +568,7 @@ __data2host4(struct tep_handle *pevent, unsigned int data)
>  }
>  
>  static inline unsigned long long
> -__data2host8(struct tep_handle *pevent, unsigned long long data)
> +__tep_data2host8(struct tep_handle *pevent, unsigned long long data)
>  {
>  	unsigned long long swap;
>  
> @@ -587,14 +587,14 @@ __data2host8(struct tep_handle *pevent, unsigned long long data)
>  	return swap;
>  }
>  
> -#define data2host2(pevent, ptr)		__data2host2(pevent, *(unsigned short *)(ptr))
> -#define data2host4(pevent, ptr)		__data2host4(pevent, *(unsigned int *)(ptr))
> -#define data2host8(pevent, ptr)					\
> +#define tep_data2host2(pevent, ptr)		__tep_data2host2(pevent, *(unsigned short *)(ptr))
> +#define tep_data2host4(pevent, ptr)		__tep_data2host4(pevent, *(unsigned int *)(ptr))
> +#define tep_data2host8(pevent, ptr)					\
>  ({								\
>  	unsigned long long __val;				\
>  								\
>  	memcpy(&__val, (ptr), sizeof(unsigned long long));	\
> -	__data2host8(pevent, __val);				\
> +	__tep_data2host8(pevent, __val);				\
>  })
>  
>  static inline int tep_host_bigendian(void)
> @@ -947,10 +947,10 @@ struct tep_event_filter *tep_filter_alloc(struct tep_handle *pevent);
>  #define FILTER_MISS		TEP_ERRNO__FILTER_MISS
>  #define FILTER_MATCH		TEP_ERRNO__FILTER_MATCH
>  
> -enum filter_trivial_type {
> -	FILTER_TRIVIAL_FALSE,
> -	FILTER_TRIVIAL_TRUE,
> -	FILTER_TRIVIAL_BOTH,
> +enum tep_filter_trivial_type {
> +	TEP_FILTER_TRIVIAL_FALSE,
> +	TEP_FILTER_TRIVIAL_TRUE,
> +	TEP_FILTER_TRIVIAL_BOTH,
>  };
>  
>  enum tep_errno tep_filter_add_filter_str(struct tep_event_filter *filter,
> @@ -968,7 +968,7 @@ int tep_event_filtered(struct tep_event_filter *filter,
>  void tep_filter_reset(struct tep_event_filter *filter);
>  
>  int tep_filter_clear_trivial(struct tep_event_filter *filter,
> -			     enum filter_trivial_type type);
> +			     enum tep_filter_trivial_type type);
>  
>  void tep_filter_free(struct tep_event_filter *filter);
>  
> @@ -979,12 +979,12 @@ int tep_filter_remove_event(struct tep_event_filter *filter,
>  
>  int tep_filter_event_has_trivial(struct tep_event_filter *filter,
>  				 int event_id,
> -				 enum filter_trivial_type type);
> +				 enum tep_filter_trivial_type type);
>  
>  int tep_filter_copy(struct tep_event_filter *dest, struct tep_event_filter *source);
>  
>  int tep_update_trivial(struct tep_event_filter *dest, struct tep_event_filter *source,
> -			enum filter_trivial_type type);
> +			enum tep_filter_trivial_type type);
>  
>  int tep_filter_compare(struct tep_event_filter *filter1, struct tep_event_filter *filter2);
>  
> diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
> index daa205d9a930..c4a5404f5f2b 100644
> --- a/tools/lib/traceevent/parse-filter.c
> +++ b/tools/lib/traceevent/parse-filter.c
> @@ -1548,7 +1548,7 @@ int tep_filter_copy(struct tep_event_filter *dest, struct tep_event_filter *sour
>   *   events may have still been updated on error.
>   */
>  int tep_update_trivial(struct tep_event_filter *dest, struct tep_event_filter *source,
> -		       enum filter_trivial_type type)
> +		       enum tep_filter_trivial_type type)
>  {
>  	struct tep_handle *src_pevent;
>  	struct tep_handle *dest_pevent;
> @@ -1570,8 +1570,8 @@ int tep_update_trivial(struct tep_event_filter *dest, struct tep_event_filter *s
>  		arg = filter_type->filter;
>  		if (arg->type != TEP_FILTER_ARG_BOOLEAN)
>  			continue;
> -		if ((arg->boolean.value && type == FILTER_TRIVIAL_FALSE) ||
> -		    (!arg->boolean.value && type == FILTER_TRIVIAL_TRUE))
> +		if ((arg->boolean.value && type == TEP_FILTER_TRIVIAL_FALSE) ||
> +		    (!arg->boolean.value && type == TEP_FILTER_TRIVIAL_TRUE))
>  			continue;
>  
>  		event = filter_type->event;
> @@ -1607,7 +1607,7 @@ int tep_update_trivial(struct tep_event_filter *dest, struct tep_event_filter *s
>   * Returns 0 on success and -1 if there was a problem.
>   */
>  int tep_filter_clear_trivial(struct tep_event_filter *filter,
> -			     enum filter_trivial_type type)
> +			     enum tep_filter_trivial_type type)
>  {
>  	struct tep_filter_type *filter_type;
>  	int count = 0;
> @@ -1628,11 +1628,11 @@ int tep_filter_clear_trivial(struct tep_event_filter *filter,
>  		if (filter_type->filter->type != TEP_FILTER_ARG_BOOLEAN)
>  			continue;
>  		switch (type) {
> -		case FILTER_TRIVIAL_FALSE:
> +		case TEP_FILTER_TRIVIAL_FALSE:
>  			if (filter_type->filter->boolean.value)
>  				continue;
>  			break;
> -		case FILTER_TRIVIAL_TRUE:
> +		case TEP_FILTER_TRIVIAL_TRUE:
>  			if (!filter_type->filter->boolean.value)
>  				continue;
>  		default:
> @@ -1670,7 +1670,7 @@ int tep_filter_clear_trivial(struct tep_event_filter *filter,
>   */
>  int tep_filter_event_has_trivial(struct tep_event_filter *filter,
>  				 int event_id,
> -				 enum filter_trivial_type type)
> +				 enum tep_filter_trivial_type type)
>  {
>  	struct tep_filter_type *filter_type;
>  
> @@ -1686,10 +1686,10 @@ int tep_filter_event_has_trivial(struct tep_event_filter *filter,
>  		return 0;
>  
>  	switch (type) {
> -	case FILTER_TRIVIAL_FALSE:
> +	case TEP_FILTER_TRIVIAL_FALSE:
>  		return !filter_type->filter->boolean.value;
>  
> -	case FILTER_TRIVIAL_TRUE:
> +	case TEP_FILTER_TRIVIAL_TRUE:
>  		return filter_type->filter->boolean.value;
>  	default:
>  		return 1;
> @@ -2423,8 +2423,8 @@ int tep_filter_compare(struct tep_event_filter *filter1, struct tep_event_filter
>  		if (filter_type1->filter->type != filter_type2->filter->type)
>  			break;
>  		switch (filter_type1->filter->type) {
> -		case FILTER_TRIVIAL_FALSE:
> -		case FILTER_TRIVIAL_TRUE:
> +		case TEP_FILTER_TRIVIAL_FALSE:
> +		case TEP_FILTER_TRIVIAL_TRUE:
>  			/* trivial types just need the type compared */
>  			continue;
>  		default:
> diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
> index 3dfc1db6b25b..b98ee2a2eb44 100644
> --- a/tools/perf/util/trace-event-read.c
> +++ b/tools/perf/util/trace-event-read.c
> @@ -102,7 +102,7 @@ static unsigned int read4(struct tep_handle *pevent)
>  
>  	if (do_read(&data, 4) < 0)
>  		return 0;
> -	return __data2host4(pevent, data);
> +	return __tep_data2host4(pevent, data);
>  }
>  
>  static unsigned long long read8(struct tep_handle *pevent)
> @@ -111,7 +111,7 @@ static unsigned long long read8(struct tep_handle *pevent)
>  
>  	if (do_read(&data, 8) < 0)
>  		return 0;
> -	return __data2host8(pevent, data);
> +	return __tep_data2host8(pevent, data);
>  }
>  
>  static char *read_string(void)




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