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claw/lcs/netiucv: check s390dbf level before sprints

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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>
This commit is contained in:
Peter Tiedemann 2008-02-08 13:09:05 +01:00 committed by Jeff Garzik
parent 164b0fb1f2
commit f33780d33f
3 changed files with 41 additions and 14 deletions
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15
drivers/s390/net/claw.h
View file

@ -114,11 +114,20 @@ do { \
debug_event(claw_dbf_##name,level,(void*)(addr),len); \ debug_event(claw_dbf_##name,level,(void*)(addr),len); \
} while (0) } while (0)
/* Allow to sort out low debug levels early to avoid wasted sprints */
static inline int claw_dbf_passes(debug_info_t *dbf_grp, int level)
{
return (level <= dbf_grp->level);
}
#define CLAW_DBF_TEXT_(level,name,text...) \ #define CLAW_DBF_TEXT_(level,name,text...) \
do { \ do { \
if (claw_dbf_passes(claw_dbf_##name, level)) { \
sprintf(debug_buffer, text); \ sprintf(debug_buffer, text); \
debug_text_event(claw_dbf_##name,level, debug_buffer);\ debug_text_event(claw_dbf_##name, level, \
} while (0) debug_buffer); \
} \
} while (0)
/******************************************************* /*******************************************************
* Define Control Blocks * * Define Control Blocks *

14
drivers/s390/net/lcs.h
View file

@ -16,11 +16,19 @@ do { \
debug_event(lcs_dbf_##name,level,(void*)(addr),len); \ debug_event(lcs_dbf_##name,level,(void*)(addr),len); \
} while (0) } while (0)
/* Allow to sort out low debug levels early to avoid wasted sprints */
static inline int lcs_dbf_passes(debug_info_t *dbf_grp, int level)
{
return (level <= dbf_grp->level);
}
#define LCS_DBF_TEXT_(level,name,text...) \ #define LCS_DBF_TEXT_(level,name,text...) \
do { \ do { \
if (lcs_dbf_passes(lcs_dbf_##name, level)) { \
sprintf(debug_buffer, text); \ sprintf(debug_buffer, text); \
debug_text_event(lcs_dbf_##name,level, debug_buffer);\ debug_text_event(lcs_dbf_##name, level, debug_buffer); \
} while (0) } \
} while (0)
/** /**
* sysfs related stuff * sysfs related stuff

16
drivers/s390/net/netiucv.c
View file

@ -97,12 +97,22 @@ MODULE_DESCRIPTION ("Linux for S/390 IUCV network driver");
DECLARE_PER_CPU(char[256], iucv_dbf_txt_buf); DECLARE_PER_CPU(char[256], iucv_dbf_txt_buf);
#define IUCV_DBF_TEXT_(name,level,text...) \ /* Allow to sort out low debug levels early to avoid wasted sprints */
static inline int iucv_dbf_passes(debug_info_t *dbf_grp, int level)
{
return (level <= dbf_grp->level);
}
#define IUCV_DBF_TEXT_(name, level, text...) \
do { \ do { \
char* iucv_dbf_txt_buf = get_cpu_var(iucv_dbf_txt_buf); \ if (iucv_dbf_passes(iucv_dbf_##name, level)) { \
char* iucv_dbf_txt_buf = \
get_cpu_var(iucv_dbf_txt_buf); \
sprintf(iucv_dbf_txt_buf, text); \ sprintf(iucv_dbf_txt_buf, text); \
debug_text_event(iucv_dbf_##name,level,iucv_dbf_txt_buf); \ debug_text_event(iucv_dbf_##name, level, \
iucv_dbf_txt_buf); \
put_cpu_var(iucv_dbf_txt_buf); \ put_cpu_var(iucv_dbf_txt_buf); \
} \
} while (0) } while (0)
#define IUCV_DBF_SPRINTF(name,level,text...) \ #define IUCV_DBF_SPRINTF(name,level,text...) \