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/freebsd/contrib/llvm-project/llvm/include/llvm/Support/
H A DDebugCounter.h1 //===- llvm/Support/DebugCounter.h - Debug counter support ------*- C++ -*-===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 /// This file provides an implementation of debug counters. Debug
10 /// counters are a tool that let you narrow down a miscompilation to a specific
15 /// and bisection is often helpful here in narrowing it down to a specific pass,
38 /// bin/opt -debug-counter=predicateinfo=47
40 //===----------------------------------------------------------------------===//
80 // line option parsing. The main reason to register counters is to produce a
97 return instance().Counters[ID].IsSet; in isCounterSet()
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/freebsd/share/man/man4/
H A Dtimecounters.430 .Nd kernel time counters subsystem
32 The kernel uses several types of time-related devices, such as: real time clocks,
33 time counters and event timers.
35 is down.
36 Time counters are responsible for tracking purposes, when the system is running.
38 periodically, to run different time-based events.
41 Time counters are the lowest level of time tracking in the kernel.
45 performance-critical places like the process scheduler.
55 The goal of the time counters subsystem is to provide a unified way to access
58 Each driver implementing time counters registers them with the subsystem.
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H A Dgve.41 .\" SPDX-License-Identifier: BSD-3-Clause
3 .\" Copyright (c) 2023-2024 Google LLC
39 .Bd -ragged -offset indent
46 .Bd -literal -offset indent
51 It is required to support per-VM Tier-1 networking performance, and for using certain VM shapes on …
57 .Bl -bullet -compact
78 .Bl -bullet -compact
84 .Bl -diag
92 Global (across-queues) allocation failures:
93 .Bl -diag
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H A Deventtimers.432 Kernel uses several types of time-related devices, such as: real time clocks,
33 time counters and event timers.
35 is down.
36 Time counters are responsible for generation of monotonically increasing
39 periodically, to run different time-based events.
42 Kernel uses time-based events for many different purposes: scheduling,
47 .Bl -tag -width ".Fn hardclock"
65 that hardware, and to use it, supplying kernel with all required time-based
72 .Bd -literal
89 .Bl -inset
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H A Dng_macfilter.41 .\" Copyright (c) 2012-2017 Pekka Nikander
81 .Bl -tag -width foo
86 .Bd -literal -offset indent
95 .Bd -literal -offset indent
105 .Bd -literal -offset indent
127 Will clear the per MAC address packet and byte counters.
130 .Bd -literal -offset indent
139 This node shuts down upon receipt of a
149 .Bd -literal -offset indent
150 /------<one>-[combiner]-<many1>--------\\
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H A Dvr.415 .\" 4. Neither the name of the author nor the names of any co-contributors
41 .Bd -ragged -offset indent
49 .Bd -literal -offset indent
78 .Bl -tag -width xxxxxxxxxxxxxxxxxxxx
90 .Ar full-duplex
92 .Ar half-duplex
99 .Ar full-duplex
101 .Ar half-duplex
108 .Bl -tag -width xxxxxxxxxxxxxxxxxxxx
109 .It full-duplex
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H A Dng_ppp.41 .\" Copyright (c) 1996-1999 Whistle Communications, Inc.
19 .\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
51 user-land daemon).
54 user-land implementations.
56 multi-link PPP, Van Jacobson compression, PPP compression, PPP
58 A single PPP node corresponds to one PPP multi-link bundle.
71 Typically this node is connected to a user-land daemon via a
94 These device-independent hooks transmit and receive full PPP
96 information fields, but no checksum or other link-specific fields.
187 Only bundle-level compression and encryption is directly supported;
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H A Dng_ubt.41 .\" Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
47 Incoming bytes received on the device are re-assembled into HCI frames
62 .Bl -bullet -compact
68 EPoX BT-DG02
72 MSI MS-6967
80 .Bl -tag -width ".Va hook"
88 .Bl -tag -width indent
105 Reset all statistic counters to zero.
108 This node shuts down when the corresponding USB device is un-plugged.
124 USB interrupt transfers are implemented as bulk-in transfers (not really a bug).
H A Dng_btsocket.41 .\" Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
62 .Bd -literal -offset indent
74 .Bl -tag -width foo
92 Returns various statistic counters for the HCI node.
94 Resets all statistic counters for the HCI node to zero.
126 .Bd -literal -offset indent
130 * For packet mask use (1 << (HCI packet indicator - 1))
131 * For event mask use (1 << (Event - 1))
151 .Bd -literal -offset indent
176 .Bl -tag -width foo
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H A Dng_tag.459 for matching packets, a destination hook for non-matching packets,
61 and various statistics counters.
71 is non-zero,
77 .Dq non-match
101 to forward all packets to non-matching hook),
113 .Bl -tag -width foo
118 .Bd -literal -offset 4n
142 Matching and non-matching incoming packets are delivered out the hooks named
149 flag is non-zero, then found tag is deleted from list of packet tags.
159 .Bd -literal -offset 4n
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H A Dage.435 .Bd -ragged -offset indent
43 .Bd -literal -offset indent
57 as well as a 64-bit multicast hash filter.
68 .Bl -tag -width ".Cm 10baseT/UTP"
85 .Bl -tag -width ".Cm full-duplex"
86 .It Cm full-duplex
88 .It Cm half-duplex
100 .Bl -bullet -compact
102 ASUS M2N8-VMX
108 ASUS P2-M2A590G
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/freebsd/sys/dev/ath/ath_hal/ar5416/
H A Dar5416_ani.c1 /*-
2 * SPDX-License-Identifier: ISC
4 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5 * Copyright (c) 2002-2008 Atheros Communications, Inc.
39 ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
41 HAL_EP_RND(ahp->ah_stats.ast_nodestats.ns_avgbrssi, \
55 * ANI_ENA_RSSI indicates whether rssi-based processing should
64 (AH5212(ah)->ah_procPhyErr & HAL_ANI_ENA)
66 (AH5212(ah)->ah_procPhyErr & HAL_RSSI_ANI_ENA)
75 HALDEBUG(ah, HAL_DEBUG_ANI, "%s: Enable mib counters: " in enableAniMIBCounters()
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/freebsd/sys/sys/
H A Dgmon.h1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
52 * Type of histogram counters used in the kernel.
61 * Fraction of text space to allocate for histogram counters.
62 * We allocate counters at the same or higher density as function
64 * A lower density of counters would give less resolution but a
77 * HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof(short) - 1);
87 * HASHFRACTION = 3 / (2 * 2 - 1) = 1
89 * Note that the division above rounds down, thus if MIN_SUBR_FRACTION
126 #define MAXARCS (((u_long)1 << (8 * sizeof(u_short))) - 2)
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/freebsd/sys/dev/ath/ath_hal/ar5212/
H A Dar5212_ani.c1 /*-
2 * SPDX-License-Identifier: ISC
4 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5 * Copyright (c) 2002-2008 Atheros Communications, Inc.
35 ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
37 HAL_EP_RND(ahp->ah_stats.ast_nodestats.ns_avgbrssi, \
51 * ANI_ENA_RSSI indicates whether rssi-based processing should
60 (AH5212(ah)->ah_procPhyErr & HAL_ANI_ENA)
62 (AH5212(ah)->ah_procPhyErr & HAL_RSSI_ANI_ENA)
71 HALDEBUG(ah, HAL_DEBUG_ANI, "%s: Enable mib counters: " in enableAniMIBCounters()
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/freebsd/contrib/ofed/opensm/opensm/
H A Dosm_ucast_ftree.c4 * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
5 * Copyright (c) 2002-2011 Mellanox Technologies LTD. All rights reserved.
6 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
18 * - Redistributions of source code must retain the above
22 * - Redistributions in binary form must reproduce the above
61 * - Tree of rank 1 has only trivial routing paths,
63 * - Why maximum rank is 8:
65 * Switches are stored in two cl_qmaps - one is
68 * a 64-bit key, the maximal tuple length is 8 bytes.
71 * can have at max 255 up/down ports.
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/freebsd/share/man/man7/
H A Dclocks.743 .Bl -bullet
114 It is divided down to give the statistic clock and the profiling clock.
133 It has three independent time counters to be used.
134 It is divided down to give the scheduling clock.
137 The TSC clock (64-bit register) on fifth-generation or later x86 systems.
171 .An -nosplit
/freebsd/sys/geom/
H A Dnotes5 ----------
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/freebsd/sys/contrib/dev/iwlwifi/fw/api/
H A Dd3.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2012-2014, 2018-2024 Intel Corporation
4 * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
5 * Copyright (C) 2015-2017 Intel Deutschland GmbH
9 #include <iwl-tran
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/freebsd/contrib/ntp/html/
H A Drate.html1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4 <meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
6 <title>Rate Management and the Kiss-o'-Death</title>
9 <!--
12 font-weight: bold;
14 -->
18 <h3>Rate Management and the Kiss-o'-Death Packet</h3>
22 <!-- #BeginDate format:En2m -->10-Mar-2014 05:19<!-- #EndDate -->
33 <li class="inline"><a href="#kiss">The Kiss-o'-Death Packet</a></li>
38 …eir very busy public time servers. They operate multiple servers behind load-balancing devices to …
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/freebsd/usr.bin/netstat/
H A Dnetstat.135 .Bk -words
36 .Bl -tag -width "netstat"
39 .Op Fl -libxo
44 .Op Fl -libxo
51 .Op Fl -libxo
59 .Op Fl -libxo
66 .Op Fl -libxo
73 .Op Fl -libxo
78 .Op Fl -libxo
83 .Op Fl -libxo
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/freebsd/sys/dev/e1000/
H A De1000_82540.c2 SPDX-License-Identifier: BSD-3-Clause
4 Copyright (c) 2001-2020, Intel Corporation
63 * e1000_init_phy_params_82540 - Init PHY func ptrs.
68 struct e1000_phy_info *phy = &hw->phy; in e1000_init_phy_params_82540()
71 phy->addr = 1; in e1000_init_phy_params_82540()
72 phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT; in e1000_init_phy_params_82540()
73 phy->reset_delay_us = 10000; in e1000_init_phy_params_82540()
74 phy->type = e1000_phy_m88; in e1000_init_phy_params_82540()
77 phy->ops.check_polarity = e1000_check_polarity_m88; in e1000_init_phy_params_82540()
78 phy->ops.commit = e1000_phy_sw_reset_generic; in e1000_init_phy_params_82540()
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/freebsd/contrib/llvm-project/compiler-rt/lib/profile/
H A DInstrProfilingValue.c1 /*===- InstrProfilingValue.c - Support library for PGO instrumentation ----===*\
5 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exceptio
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/freebsd/sys/dev/ic/
H A Di8253reg.h1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
37 * This chip has three independent 16-bit down counters that can be
/freebsd/sys/contrib/openzfs/tests/zfs-tests/tests/functional/cli_root/zpool_events/
H A Dzpool_events_errors.ksh1 #!/bin/ksh -p
2 # SPDX-License-Identifier: CDDL-1.0
10 # or https://opensource.org/licenses/CDDL-1.0.
28 # Verify the number of IO and checksum events match the error counters
58 log_must zinject -c all
59 log_must zpool events -c
63 log_must rm -fd $VDEV1 $VDEV2 $VDEV3 $MOUNTDIR
74 log_must truncate -s $MINVDEVSIZE $VDEV1 $VDEV2 $VDEV3
75 log_must mkdir -p $MOUNTDIR
79 # $1: pool - mirror, raidz, draid
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/freebsd/contrib/ntp/ntpd/
H A Dntp_peer.c2 * ntp_peer.c - management of data maintained for peer associations
19 * ---------
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