TPROF_PMI(4)

TPROF_PMI(4) | Kernel Interfaces Manual | TPROF_PMI(4)

# NAME

tprof_pmi — a tprof backend for Intel Pentium 4

# SYNOPSIS

pseudo-device tprof_pmi

# DESCRIPTION

The tprof_pmi driver is a tprof(4) backend driver, which uses performance-monitoring events available for Intel Pentium 4 (NetBurst) processors.

It programs the processors so that global_power_events events (ESCR Event Select = 0x13) to raise NMIs and the NMI handler collect samples.

# SEE ALSO

tprof(4)

# AUTHORS

The tprof_pmi driver was written by YAMAMOTO Takashi.

# BUGS

The name of this driver is too generic.

December 2, 2011 | NetBSD 7.0