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log: enable filtering on functions

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Up to now we could only use log level, category, and file for filtering.
Allow filtering on a list of functions.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt 2025-01-17 01:09:53 +01:00
parent 1daacb9275
commit cb43e3e427
5 changed files with 44 additions and 29 deletions
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7
include/log.h
View file

@ -500,6 +500,7 @@ enum log_filter_flags {
* @level: Maximum (or minimum, if %LOGFF_MIN_LEVEL) log level to allow
* @file_list: List of files to allow, separated by comma. If NULL then all
* files are permitted
* @func_list: Comma separated list of functions or NULL.
* @sibling_node: Next filter in the list of filters for this log device
*/
struct log_filter {
@ -508,6 +509,7 @@ struct log_filter {
enum log_category_t cat_list[LOGF_MAX_CATEGORIES];
enum log_level_t level;
const char *file_list;
const char *func_list;
struct list_head sibling_node;
};
@ -599,13 +601,14 @@ int do_log_test(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
* @level: Maximum (or minimum, if %LOGFF_LEVEL_MIN) log level to allow
* @file_list: List of files to allow, separated by comma. If NULL then all
* files are permitted
* @func_list: Comma separated list of functions or NULL.
* Return:
* the sequence number of the new filter (>=0) if the filter was added, or a
* -ve value on error
*/
int log_add_filter_flags(const char *drv_name, enum log_category_t cat_list[],
enum log_level_t level, const char *file_list,
int flags);
const char *func_list, int flags);
/**
* log_add_filter() - Add a new filter to a log device
@ -628,7 +631,7 @@ static inline int log_add_filter(const char *drv_name,
const char *file_list)
{
return log_add_filter_flags(drv_name, cat_list, max_level, file_list,
0);
NULL, 0);
}
/**