diff options
Diffstat (limited to 'lib/dynamic_debug.c')
| -rw-r--r-- | lib/dynamic_debug.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index d8773dcd83c5..a5508a12b83d 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -69,6 +69,17 @@ static inline const char *basename(const char *path) return tail ? tail+1 : path; } +/* Return the path relative to source root */ +static inline const char *trim_prefix(const char *path) +{ + int skip = strlen(__FILE__) - strlen("lib/dynamic_debug.c"); + + if (strncmp(path, __FILE__, skip)) + skip = 0; /* prefix mismatch, don't skip */ + + return path + skip; +} + static struct { unsigned flag:8; char opt_char; } opt_array[] = { { _DPRINTK_FLAGS_PRINT, 'p' }, { _DPRINTK_FLAGS_INCL_MODNAME, 'm' }, @@ -125,7 +136,8 @@ static void ddebug_change(const struct ddebug_query *query, /* match against the source filename */ if (query->filename && strcmp(query->filename, dp->filename) && - strcmp(query->filename, basename(dp->filename))) + strcmp(query->filename, basename(dp->filename)) && + strcmp(query->filename, trim_prefix(dp->filename))) continue; /* match against the function */ @@ -154,7 +166,7 @@ static void ddebug_change(const struct ddebug_query *query, dp->flags = newflags; if (verbose) pr_info("changed %s:%d [%s]%s =%s\n", - dp->filename, dp->lineno, + trim_prefix(dp->filename), dp->lineno, dt->mod_name, dp->function, ddebug_describe_flags(dp, flagbuf, sizeof(flagbuf))); @@ -714,7 +726,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p) } seq_printf(m, "%s:%u [%s]%s =%s \"", - dp->filename, dp->lineno, + trim_prefix(dp->filename), dp->lineno, iter->table->mod_name, dp->function, ddebug_describe_flags(dp, flagsbuf, sizeof(flagsbuf))); seq_escape(m, dp->format, "\t\r\n\""); |