pfm_set_options - set performance monitoring library debug
options
SYNOPSIS
#include <perfmon/pfmlib.h>
int pfm_set_options(pfmlib_options_t *opt);
DESCRIPTION
This function can be called at any time to adjust the
level of debug of the library. You can adjust the ver
bosity or the debug level. In both cases, extra output
will be generated on the standard output when the library
gets called. This can be useful to figure out how the PMC
registers are initialized.
The opt argument is a pointer to a pfmlib_options_t struc
ture which is defined as follows:
typedef struct {
unsigned int pfm_debug:1;
unsigned int pfm_verbose:1;
} pfmlib_options_t;
Setting pfm_debug to 1 will enable debug messages whereas
setting pfm_verbose will enable verbose messages.
RETURN
The function returns whether or not it was successful.A
return value of PFMLIB_SUCCESS indicates success, other
wise the value is the error code.
ERRORS
PFMLIB_ERR_INVAL
the argument is invalid, most likely a NULL
pointer.
AUTHOR
Stephane Eranian <eranian@hpl.hp.com>
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