__PMPARSEDEBUG(3) - Linux man page online | Library functions

Manipulate old-style PCP debugging control bit-fields.

PMPARSEDEBUG(3) Library Functions Manual PMPARSEDEBUG(3)


__pmParseDebug, __pmSetDebugBits - manipulate old-style PCP debugging control bit-fields


#include <pcp/pmapi.h> #include <pcp/deprecated.h> int __pmParseDebug(const char *spec); void __pmSetDebugBits(int value); cc ... -lpcp


These routine have been deprecated and may be removed in a future Performance Co-Pilot (PCP) release. Please refer to pmSetDebug(3) and pmClearDebug(3) for replacement func‐ tionality. __pmParseDebug parses spec assuming it to be a comma separated list of PCP debug flags. Each flag may be specified as an integer or the trailing portion of the symbolic name of the corresponding flag as reported by pmdbg(1). Symbolic names are stripped of the ``DBG_TRACE_'' prefix and may appear in either case. As a special case, the values ``-1'' and ``ALL'' are treated as synonyms for turning on all bits except the sign bit in the result, i.e. INT_MAX from <limits.h>. For example the debug option fetch is defined in the output from pmdbg(3) with the -L option and may be specified in spec as 2, FETCH or fetch. __pmSetDebugBits may be used to set the bit-fields directly using the encoding in value. The effect is additive, so consecutive calls to __pmSetDebugBits will set the conjunction of the bits in the value arguments. To clear the bit-fields, see pmClearDebug(3).


pmdbg(1), pmSetDebug(3) and pmClearDebug(3).


If successful, __pmParseDebug returns the value computed by the bit-wise ``or'' of each flag in the spec, suitable for assigning to the global debug trace control variable pmDe‐ bug. Otherwise the return value is less than 0 to indicate a parsing error.
Performance Co-Pilot PCP PMPARSEDEBUG(3)
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__pmParseDebug(3) referred by pmdbg(1)
refer to pmClearDebug(3) | pmdbg(1)
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