Only the leading non-space characters of _n_a_m_e will be used to identify
the instance.
The value for the instance domain _i_n_d_o_m is typically extracted from a
_p_m_D_e_s_c structure, following a call to ppppmmmmLLLLooooooookkkkuuuuppppDDDDeeeesssscccc(3) for a particular
performance metric.
ppppmmmmLLLLooooooookkkkuuuuppppIIIInnnnDDDDoooommmmAAAArrrrcccchhhhiiiivvvveeee will return a positive instance identifier on
success.
SSSSEEEEEEEE AAAALLLLSSSSOOOO
PPPPMMMMAAAAPPPPIIII(3), ppppmmmmGGGGeeeettttIIIInnnnDDDDoooommmmAAAArrrrcccchhhhiiiivvvveeee(3), ppppmmmmLLLLooooooookkkkuuuuppppDDDDeeeesssscccc(3), ppppmmmmLLLLooooooookkkkuuuuppppIIIInnnnDDDDoooommmm(3) and