08-17-2005
Command to find 32/64 bit in Linux
Hi,
Can somebody tell me which command will help me find whether the OS is 32 bit or 64 bit.
Regards,
Giridhara Babu Tadikonda.
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LEARN ABOUT CENTOS
mmv_lookup_value_desc
MMV_LOOKUP_VALUE_DESC(3) Library Functions Manual MMV_LOOKUP_VALUE_DESC(3)
NAME
mmv_lookup_value_desc - find a value in the Memory Mapped Value file
C SYNOPSIS
#include <pcp/pmapi.h>
#include <pcp/mmv_stats.h>
pmAtomValue *mmv_lookup_value_desc(void *addr, const char *metric, const char *inst);
cc ... -lpcp_mmv -lpcp
DESCRIPTION
mmv_lookup_value_desc searches for the value of the instance identified by the external instance name inst of the metric metric in the
MMV(5) file. addr is the address returned from mmv_stats_init().
The pointer returned points to a pmAtomValue union, which is defined as follows:
typedef union {
__int32_t l; /* 32-bit signed */
__uint32_t ul; /* 32-bit unsigned */
__int64_t ll; /* 64-bit signed */
__uint64_t ull; /* 64-bit unsigned */
float f; /* 32-bit floating point */
double d; /* 64-bit floating point */
char *cp; /* char ptr */
pmValueBlock *vbp; /* pmValueBlock ptr */
} pmAtomValue;
MMV string values should be set using either of the mmv_set_string or mmv_set_strlen routines.
RETURNS
The function returns the address inside of the memory mapped region on success or NULL on failure.
SEE ALSO
mmv_stats_init(3), mmv_inc_value(3) and mmv(5).
Performance Co-Pilot MMV_LOOKUP_VALUE_DESC(3)