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authorPeter Tiedemann <ptiedem@de.ibm.com>2008-02-08 07:09:05 -0500
committerJeff Garzik <jeff@garzik.org>2008-02-11 11:14:50 -0500
commitf33780d33f8a95fe5dc72b706a4de741e9240f36 (patch)
tree1a88852ed43bfc6231a6c08ffa13bfc36c23e36e /drivers/s390/net/netiucv.c
parent164b0fb1f2a2990a37b9aeae98a9b771f6add24e (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.c22
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
98DECLARE_PER_CPU(char[256], iucv_dbf_txt_buf); 98DECLARE_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 { \ 101static 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...) \