'\" te
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.\" Copyright 2019 Joyent, Inc.
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.TH LIBCPC 3LIB "March 25, 2019"
.SH NAME
libcpc \- CPU performance counter library
.SH SYNOPSIS
.LP
.nf
cc [ \fIflag\fR... ] \fIfile\fR... \fB-lcpc\fR [ \fIlibrary\fR... ]
.fi

.SH DESCRIPTION
.LP
Functions in this library provide access to CPU performance counters on
platforms that contain the appropriate hardware. A more detailed
explanation of the library and a list of processor-specific events is
available in \fBcpc\fR(3CPC).
.SH INTERFACES
.LP
The shared object \fBlibcpc.so.1\fR provides the public interfaces defined
below. See \fBIntro\fR(3) for additional information on shared object
interfaces.
.sp

.sp
.TS
l l
l l .
\fBcpc_access\fR	\fBcpc_bind_cpu\fR
\fBcpc_bind_curlwp\fR	\fBcpc_bind_event\fR
\fBcpc_bind_pctx\fR	\fBcpc_buf_add\fR
\fBcpc_buf_copy\fR	\fBcpc_buf_create\fR
\fBcpc_buf_destroy\fR	\fBcpc_buf_get\fR
\fBcpc_buf_hrtime\fR	\fBcpc_buf_set\fR
\fBcpc_buf_sub\fR	\fBcpc_buf_tick\fR
\fBcpc_buf_zero\fR	\fBcpc_caps\fR
\fBcpc_cciname\fR	\fBcpc_close\fR
\fBcpc_cpuref\fR	\fBcpc_count_sys_events\fR
\fBcpc_count_usr_events\fR	\fBcpc_disable\fR
\fBcpc_enable\fR	\fBcpc_event_accum\fR
\fBcpc_event_diff\fR	\fBcpc_eventtostr\fR
\fBcpc_getcciname\fR	\fBcpc_getcpuref\fR
\fBcpc_getcpuver\fR	\fBcpc_getnpic\fR
\fBcpc_getusage\fR	\fBcpc_npic\fR
\fBcpc_open\fR	\fBcpc_pctx_bind_event\fR
\fBcpc_pctx_invalidate\fR	\fBcpc_pctx_rele\fR
\fBcpc_pctx_take_sample\fR	\fBcpc_rele\fR
\fBcpc_request_preset\fR	\fBcpc_set_add_request\fR
\fBcpc_set_create\fR	\fBcpc_set_destroy\fR
\fBcpc_set_restart\fR	\fBcpc_set_sample\fR
\fBcpc_seterrfn\fR	\fBcpc_seterrhndlr\fR
\fBcpc_shared_bind_event\fR	\fBcpc_shared_close\fR
\fBcpc_shared_open\fR	\fBcpc_shared_rele\fR
\fBcpc_shared_take_sample\fR	\fBcpc_strtoevent\fR
\fBcpc_take_sample\fR	\fBcpc_unbind\fR
\fBcpc_version\fR	\fBcpc_walk_attrs\fR
\fBcpc_walk_events_all\fR	\fBcpc_walk_events_pic\fR
\fBcpc_walk_generic_events_all\fR	\fBcpc_walk_generic_events_pic\fR
\fBcpc_walk_names\fR	\fBcpc_walk_requests\fR
.TE

.SH FILES
.ne 2
.na
\fB\fB/usr/lib/libcpc.so.1\fR\fR
.ad
.RS 27n
shared object
.RE

.sp
.ne 2
.na
\fB\fB/usr/lib/64/libcpc.so.1\fR\fR
.ad
.RS 27n
64-bit shared object
.RE

.SH ATTRIBUTES
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
MT-Level	Safe
.TE

.SH SEE ALSO
.LP
\fBcputrack\fR(1), \fBcpustat\fR(1M), \fBIntro\fR(3), \fBcpc\fR(3CPC),
\fBattributes\fR(5), \fBxVM\fR(5)
.SH NOTES
.LP
There is no support for access to performance counters in the \fBxVM\fR(5)
environment. The \fB-h\fR operations for \fBcputrack\fR(1) are not enabled.