упрощенная выборка и преобразование значений показателей производительности (simplified performance metrics value fetch and conversion)
Синопсис C (C Synopsis)
#include <pcp/pmapi.h>
int pmCreateFetchGroup(pmFG *ptr, int type, const char *name);
int pmExtendFetchGroup_item(pmFG pmfg, const char *metric, const
char *instance, const char *scale, pmAtomValue
*out_value, int out_type, int out_sts);
int pmExtendFetchGroup_indom(pmFG pmfg, const char *metric, const
char *scale, int out_inst_codes[], char
*out_inst_names[], pmAtomValue out_values[], int
out_type, int out_stss[], unsigned int out_maxnum,
unsigned int *out_num, int *out_sts);
int pmExtendFetchGroup_event(pmFG pmfg, const char *metric, const
char *instance, const char *field, const char *scale,
struct timespec out_times[], pmAtomValue out_values[],
int out_type, int out_stss[], unsigned int out_maxnum,
unsigned int *out_num, int *out_sts);
int pmExtendFetchGroup_timestamp(pmFG pmfg, struct timeval
*out_value);
int pmGetFetchGroupContext(pmFG pmfg);
int pmFetchGroup(pmFG pmfg);
int pmClearFetchGroup(pmFG pmfg);
int pmDestroyFetchGroup(pmFG pmfg);
cc ... -lpcp