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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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13
common/log.c
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@@ -192,6 +192,10 @@ static bool log_passes_filters(struct log_device *ldev, struct log_rec *rec)
!log_has_member(filt->file_list, rec->file))
continue;
if (filt->func_list &&
!log_has_member(filt->func_list, rec->func))
continue;
if (filt->flags & LOGFF_DENY)
return false;
else
@@ -329,7 +333,7 @@ int _log_buffer(enum log_category_t cat, enum log_level_t level,
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)
{
struct log_filter *filt;
struct log_device *ldev;
@@ -364,6 +368,13 @@ int log_add_filter_flags(const char *drv_name, enum log_category_t cat_list[],
goto err;
}
}
if (func_list) {
filt->func_list = strdup(func_list);
if (!filt->func_list) {
ret = -ENOMEM;
goto err;
}
}
filt->filter_num = ldev->next_filter_num++;
/* Add deny filters to the beginning of the list */
if (flags & LOGFF_DENY)