| hwpmc.4 (0a0c599ab9a578dd175e626144eacdbb4c5ac6bc) | hwpmc.4 (0a1a48148ccd561464d643c05597cec2ae9e88b8) |
|---|---|
| 1.\" Copyright (c) 2003-2008 Joseph Koshy 2.\" Copyright (c) 2007 The FreeBSD Foundation 3.\" All rights reserved. 4.\" 5.\" Portions of this software were developed by A. Joseph Koshy under 6.\" sponsorship from the FreeBSD Foundation and Google, Inc. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 21 unchanged lines hidden (view full) --- 30.\" 31.Dd May 31, 2023 32.Dt HWPMC 4 33.Os 34.Sh NAME 35.Nm hwpmc 36.Nd "Hardware Performance Monitoring Counter support" 37.Sh SYNOPSIS | 1.\" Copyright (c) 2003-2008 Joseph Koshy 2.\" Copyright (c) 2007 The FreeBSD Foundation 3.\" All rights reserved. 4.\" 5.\" Portions of this software were developed by A. Joseph Koshy under 6.\" sponsorship from the FreeBSD Foundation and Google, Inc. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 21 unchanged lines hidden (view full) --- 30.\" 31.Dd May 31, 2023 32.Dt HWPMC 4 33.Os 34.Sh NAME 35.Nm hwpmc 36.Nd "Hardware Performance Monitoring Counter support" 37.Sh SYNOPSIS |
| 38The following option must be present in the kernel configuration file: 39.Bd -ragged -offset indent |
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| 38.Cd "options HWPMC_HOOKS" | 40.Cd "options HWPMC_HOOKS" |
| 39.Cd "device hwpmc" | 41.Ed |
| 40.Pp 41Additionally, for i386 systems: | 42.Pp 43Additionally, for i386 systems: |
| 44.Bd -ragged -offset indent |
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| 42.Cd "device apic" | 45.Cd "device apic" |
| 46.Ed 47.Pp 48To load the driver as a module at boot time, place the 49following line in 50.Xr rc.conf 5 : 51.Bd -literal -offset indent 52kld_list="${kld_list} hwpmc" 53.Ed 54.Pp 55Alternatively, to compile this driver into the kernel: 56.Bd -ragged -offset indent 57.Cd "device hwpmc" 58.Ed |
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| 43.Sh DESCRIPTION 44The 45.Nm 46driver virtualizes the hardware performance monitoring facilities in 47modern CPUs and provides support for using these facilities from 48user level processes. 49.Pp 50The driver supports multi-processor systems. --- 761 unchanged lines hidden --- | 59.Sh DESCRIPTION 60The 61.Nm 62driver virtualizes the hardware performance monitoring facilities in 63modern CPUs and provides support for using these facilities from 64user level processes. 65.Pp 66The driver supports multi-processor systems. --- 761 unchanged lines hidden --- |