openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ftrace: Move record update for normal and modules into a separate function 

The updating of a function record is moved to a single function. This will allow
us to add specific changes in one location for both modules and kernel
functions.

Later patches will determine if the function record itself needs to be updated
(which enables the mcount caller), or just the ftrace_ops needs the update.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2011-04-26 16:11:03 -04:00 committed by Steven Rostedt
parent d2c8c3eafb
commit 996e87be7f
1 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
kernel/trace/ftrace.c
View File

@ -1743,6 +1743,15 @@ static int ftrace_match(char *str, char *regex, int len, int type)
return matched;
}
static void
update_record(struct dyn_ftrace *rec, unsigned long flag, int not)
{
if (not)
rec->flags &= ~flag;
else
rec->flags |= flag;
}
static int
ftrace_match_record(struct dyn_ftrace *rec, char *regex, int len, int type)
{
@ -1772,10 +1781,7 @@ static int ftrace_match_records(char *buff, int len, int enable)
do_for_each_ftrace_rec(pg, rec) {
if (ftrace_match_record(rec, search, search_len, type)) {
if (not)
rec->flags &= ~flag;
else
rec->flags |= flag;
update_record(rec, flag, not);
found = 1;
}
/*
@ -1846,10 +1852,7 @@ static int ftrace_match_module_records(char *buff, char *mod, int enable)
if (ftrace_match_module_record(rec, mod,
search, search_len, type)) {
if (not)
rec->flags &= ~flag;
else
rec->flags |= flag;
update_record(rec, flag, not);
found = 1;
}
if (enable && (rec->flags & FTRACE_FL_FILTER))