Blame src/libpfm4/docs/man3/libpfm_intel_core.3
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.TH LIBPFM 3 "September, 2009" "" "Linux Programmer's Manual"
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.SH NAME
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libpfm_intel_core - support for Intel Core-based processors
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.SH SYNOPSIS
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.nf
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.B #include <perfmon/pfmlib.h>
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.sp
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.B PMU name: core
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.B PMU desc: Intel Core
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.sp
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.SH DESCRIPTION
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The library supports all Intel Core-based processors that includes models 15, 23, 29.
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.SH MODIFIERS
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The following modifiers are supported on Intel Core processors:
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.TP
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.B u
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Measure at user level which includes privilege levels 1, 2, 3. This corresponds to \fBPFM_PLM3\fR.
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This is a boolean modifier.
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.TP
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.B k
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Measure at kernel level which includes privilege level 0. This corresponds to \fBPFM_PLM0\fR.
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This is a boolean modifier.
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.TP
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.B i
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Invert the meaning of the event. The counter will now count cycles in which the event is \fBnot\fR
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occurring. This is a boolean modifier
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.TP
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.B e
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Enable edge detection, i.e., count only when there is a state transition from no occurrence of the event
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to at least one occurrence. This modifier must be combined with a counter mask modifier (m) with a value greater or equal to one.
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This is a boolean modifier.
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.TP
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.B c
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Set the counter mask value. The mask acts as a threshold. The counter will count the number of cycles
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in which the number of occurrences of the event is greater or equal to the threshold. This is an integer
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modifier with values in the range [0:255].
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.SH AUTHORS
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.nf
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Stephane Eranian <eranian@gmail.com>
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.if
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.PP
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