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CentOS 7.0 - man page for pmdbg (centos section 1)

PMDBG(1)						      General Commands Manual							  PMDBG(1)

pmdbg - translate Performance Co-Pilot debug control flags
pmdbg code ... pmdbg -l
The components of the Performance Co-Pilot (PCP) use a global vector of bit-fields to control diagnostic and debug output. pmdbg with a -l argument prints out the mnemonic and decimal values of all the bit-fields in the debug control vector. In the alternative usage, the code arguments are values for the debug vector, and the bit-fields that are enabled by each of these values is listed. Each code may be an integer, a hexadecimal value or a hexadecimal value prefixed by either ``0x'' or ``0X''. Most applications using the facilities of the PCP support a -DN command-line syntax to enable debug control. pmdbg is designed to help choose an appropriate value for N.
Environment variables with the prefix PCP_ are used to parameterize the file and directory names used by PCP. On each installation, the file /etc/pcp.conf contains the local values for these variables. The $PCP_CONF variable may be used to specify an alternative configura- tion file, as described in pcp.conf(5).
PCPIntro(1), pcp.conf(5) and pcp.env(5). Performance Co-Pilot PCP PMDBG(1)