diff options
author | Peter Tiedemann <ptiedem@de.ibm.com> | 2008-02-08 07:09:05 -0500 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2008-02-11 11:14:50 -0500 |
commit | f33780d33f8a95fe5dc72b706a4de741e9240f36 (patch) | |
tree | 1a88852ed43bfc6231a6c08ffa13bfc36c23e36e /drivers/s390/net/netiucv.c | |
parent | 164b0fb1f2a2990a37b9aeae98a9b771f6add24e (diff) |
claw/lcs/netiucv: check s390dbf level before sprints
additional check of s390dbf level results in better performance
if the default low debugging level is active.
Signed-off-by: Peter Tiedemann <ptiedem@de.ibm.com>
Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/s390/net/netiucv.c')
-rw-r--r-- | drivers/s390/net/netiucv.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c index 42d701b5921c..874a19994489 100644 --- a/drivers/s390/net/netiucv.c +++ b/drivers/s390/net/netiucv.c | |||
@@ -97,12 +97,22 @@ MODULE_DESCRIPTION ("Linux for S/390 IUCV network driver"); | |||
97 | 97 | ||
98 | DECLARE_PER_CPU(char[256], iucv_dbf_txt_buf); | 98 | DECLARE_PER_CPU(char[256], iucv_dbf_txt_buf); |
99 | 99 | ||
100 | #define IUCV_DBF_TEXT_(name,level,text...) \ | 100 | /* Allow to sort out low debug levels early to avoid wasted sprints */ |
101 | do { \ | 101 | static inline int iucv_dbf_passes(debug_info_t *dbf_grp, int level) |
102 | char* iucv_dbf_txt_buf = get_cpu_var(iucv_dbf_txt_buf); \ | 102 | { |
103 | sprintf(iucv_dbf_txt_buf, text); \ | 103 | return (level <= dbf_grp->level); |
104 | debug_text_event(iucv_dbf_##name,level,iucv_dbf_txt_buf); \ | 104 | } |
105 | put_cpu_var(iucv_dbf_txt_buf); \ | 105 | |
106 | #define IUCV_DBF_TEXT_(name, level, text...) \ | ||
107 | do { \ | ||
108 | if (iucv_dbf_passes(iucv_dbf_##name, level)) { \ | ||
109 | char* iucv_dbf_txt_buf = \ | ||
110 | get_cpu_var(iucv_dbf_txt_buf); \ | ||
111 | sprintf(iucv_dbf_txt_buf, text); \ | ||
112 | debug_text_event(iucv_dbf_##name, level, \ | ||
113 | iucv_dbf_txt_buf); \ | ||
114 | put_cpu_var(iucv_dbf_txt_buf); \ | ||
115 | } \ | ||
106 | } while (0) | 116 | } while (0) |
107 | 117 | ||
108 | #define IUCV_DBF_SPRINTF(name,level,text...) \ | 118 | #define IUCV_DBF_SPRINTF(name,level,text...) \ |