1*bb75b0d5SLexi Wintercomment = "Support for hardware performance counters" 2*bb75b0d5SLexi Winter 3*bb75b0d5SLexi Winterdesc = <<EOD 4*bb75b0d5SLexi WinterThe Performance Counters Library (libpmc, -lpmc) provides a programming 5*bb75b0d5SLexi Winterinterface that allows applications to use hardware performance counters 6*bb75b0d5SLexi Winterto gather performance data about specific processes or for the system as 7*bb75b0d5SLexi Wintera whole. The library is implemented using the lower-level facilities 8*bb75b0d5SLexi Winteroffered by the hwpmc(4) driver. 9*bb75b0d5SLexi Winter 10*bb75b0d5SLexi WinterThe utilities pmc(8), pmcannotate(8), pmccontrol(8) and pmcstat(8) provide 11*bb75b0d5SLexi Wintercommand-line access to the facilities provided by libpmc. 12*bb75b0d5SLexi WinterEOD 13