| /freebsd/sys/contrib/alpine-hal/ |
| H A D | al_hal_nb_regs.h | 1 /*-
10 found at http://www.gnu.org/licenses/gpl-2.0.html
101 /* [0x6c] Read-only that reflects CPU Cluster Local GIC base high address */
103 /* [0x70] Read-only that reflects CPU Cluster Local GIC base low address */
105 /* [0x74] Read-only that reflects the device's IOGIC base high address. */
107 /* [0x78] Read-only that reflects IOGIC base low address */
310 /* [0x20] Specifies the state of the CPU with reference to power modes. */
463 /* Defines the internal CPU GIC operating frequency ratio with the main CPU clock.
472 /* Disables the GIC CPU interface logic and routes the legacy nIRQ, nFIQ, nVIRQ, and nVFIQ
474 0 Enable the GIC CPU interface logic.
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| H A D | al_hal_plat_services.h | 1 /*-
10 found at http://www.gnu.org/licenses/gpl-2.0.html
42 * - Registers read/write
43 * - Assertions
44 * - Memory barriers
45 * - Endianness conversions
95 /* *INDENT-OFF* */
99 /* *INDENT-ON* */
156 * Read MMIO 8 bits register
164 * Read MMIO 16 bits register
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| /freebsd/share/man/man9/ |
| H A D | smr.9 | 1 .\" SPDX-License-Identifier: BSD-2-Clause
34 .Nd safe memory reclamation for lock-free data structures
74 memory-safe lock-free data structures.
75 In typical usage, read accesses to an SMR-protected data structure, such as a
77 .Dq read section
85 In contrast with reader-writer locks such as
91 Readers can always enter a read section immediately
96 so mutations do not introduce read latency.
101 operate only on per-CPU data and thus avoid some of the performance problems
102 inherent in the implementation of traditional reader-writer mutexes.
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| H A D | counter.9 | 1 .\"-
31 .Nd "SMP-friendly kernel counter implementation"
76 can be used in any non-interrupt context.
84 is considered suitable for accounting in the performance-critical
86 .Bl -tag -width indent
88 Allocate a new 64-bit unsigned counter.
137 The function is a multiprocessor-friendly version of
142 Returns non-negative value if the rate is not yet reached during the current
171 A read of the oid returns value obtained through
183 A read of the oid returns value obtained through
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| /freebsd/share/man/man4/ |
| H A D | hwpmc.4 | 1 .\" Copyright (c) 2003-2008 Joseph Koshy
39 .Bd -ragged -offset indent
44 .Bd -ragged -offset indent
49 .Bd -literal -offset indent
54 .Bd -ragged -offset indent
62 .Bd -ragged -offset indent
75 The driver supports multi-processor systems.
89 .Bl -tag -width ".Em Process-scope"
90 .It Em "Process-scope"
92 to a process it is attached to is scheduled on a CPU.
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| H A D | smp.4 | 29 .Nd description of the FreeBSD Symmetric Multi-Processor kernel
35 kernel implements symmetric multi-processor support.
43 the read-only sysctl variable
46 The number of online threads per CPU core is available in the read-only sysctl
49 The number of physical CPU cores detected by the system is available in the
50 read-only sysctl variable
54 allows specific CPUs on a multi-processor system to be disabled.
57 tunable, where X is the APIC ID of a CPU.
58 Setting this tunable to 1 will result in the corresponding CPU being
69 scheduler implements CPU topology detection and adjusts the scheduling
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| H A D | cpuctl.4 | 1 .\" Copyright (c) 2006-2008 Stanislav Sedov <stas@FreeBSD.org>
35 .Bd -ragged -offset indent
42 .Bd -literal -offset indent
48 presents interface to the system CPU.
50 CPUID information, read/write machine specific registers (MSR) and perform
53 For each CPU present in the system, the special device
66 .Bl -tag -width CPUCTL_CPUID_COUNT
69 Read/write CPU machine specific register.
75 .Bd -literal
77 int msr; /* MSR to read */
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| /freebsd/contrib/bearssl/src/x509/ |
| H A D | x509_decoder.t0 | 27 …r_x509_decoder_context *)(void *)((unsigned char *)t0ctx - offsetof(br_x509_decoder_context, cpu)))
38 ctx->err = 0;
39 ctx->hbuf = NULL;
40 ctx->hlen = 0;
42 ctx->append_dn = append_dn;
43 ctx->append_dn_ctx = append_dn_ctx;
44 ctx->cpu.dp = &ctx->dp_stack[0];
45 ctx->cpu.rp = &ctx->rp_stack[0];
46 br_x509_decoder_init_main(&ctx->cpu);
47 br_x509_decoder_run(&ctx->cpu);
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| H A D | skey_decoder.t0 | 27 …r_skey_decoder_context *)(void *)((unsigned char *)t0ctx - offsetof(br_skey_decoder_context, cpu)))
35 ctx->cpu.dp = &ctx->dp_stack[0];
36 ctx->cpu.rp = &ctx->rp_stack[0];
37 br_skey_decoder_init_main(&ctx->cpu);
38 br_skey_decoder_run(&ctx->cpu);
46 ctx->hbuf = data;
47 ctx->hlen = len;
48 br_skey_decoder_run(&ctx->cpu);
56 cc: read8-low ( -- x ) {
57 if (CTX->hlen == 0) {
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| /freebsd/usr.sbin/iostat/ |
| H A D | iostat.8 | 83 statistics on terminal, device and cpu operations.
95 .Bl -tag -width flag
97 Display CPU statistics.
118 is also specified to enable the display of CPU or TTY statistics.
133 In the old-style blocks transferred display
155 Display old-style
175 .Bl -tag -width indent -compact
177 .Bl -tag -width 9n -compact
187 Write Once Read Multiple devices
207 .Bl -tag -width 9n -compact
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| /freebsd/lib/libpmc/pmu-events/arch/x86/tremontx/ |
| H A D | uncore-other.json | 11 …"BriefDescription": "LLC misses - Uncacheable reads (from cpu) . Derived from unc_cha_tor_inserts.…
23 "BriefDescription": "LLC misses - Uncacheable reads (from cpu) ",
135 "BriefDescription": "read requests from home agent",
313 …"PublicDescription": "Counts when a normal (Non-Isochronous) read is issued to any of the memory c…
318 "BriefDescription": "CHA to iMC Full Line Writes Issued : Full Line Non-ISOCH",
324 …"PublicDescription": "Counts when a normal (Non-Isochronous) full line write is issued from the CH…
329 "BriefDescription": "Cache and Snoop Filter Lookups; Data Read Request",
335 …- this includes code, data, prefetches and hints coming from L2. This has numerous filters availa…
352 "BriefDescription": "Snoop filter capacity evictions for E-state entries.",
363 "BriefDescription": "Snoop filter capacity evictions for M-state entries.",
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| /freebsd/usr.sbin/sa/ |
| H A D | sa.8 | 64 The summary files are normally read before
68 If file names are supplied, they are read instead of
70 After each file is read, if the summary
78 .Bl -tag -width k*sec
83 .It Dv cpu
87 CPU-time averaged core usage, in 1k units
89 CPU storage integral, in 1k-core seconds
103 .Bl -tag -width Ds
130 Do not read in the summary files.
134 If printing command statistics, sort by the cpu-time average memory
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| /freebsd/lib/libkvm/ |
| H A D | kvm_pcpu.c | 1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
24 * 3. Neither the name of the author nor the names of any co-contributors
69 * Kernel per-CPU data state. We cache this stuff on the first
72 * XXXRW: Possibly, this (and kvmpcpu_nl) should be per-kvm_t, in case the
91 return (-1); in _kvm_pcpu_init()
93 _kvm_err(kd, kd->program, "unable to find cpuid_to_pcpu"); in _kvm_pcpu_init()
94 return (-1); in _kvm_pcpu_init()
97 _kvm_err(kd, kd->program, "unable to find mp_maxcpus"); in _kvm_pcpu_init()
98 return (-1); in _kvm_pcpu_init()
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| /freebsd/sys/kern/ |
| H A D | subr_smr.c | 1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
46 * Fraser, K. 2004. Practical Lock-Freedom. PhD Thesis, University
49 * Wang, Stamler, Parmer. 2016 Parallel Sections: Scaling System-Level
50 * Data-Structures
55 * use-after-free errors with lockless datastructures or as
61 * observed. A shared read sequence number records the lowest
65 * readers by storing an invalid sequence number in the per-cpu
66 * state when the read section exits. Like Parsec we establish
69 * The write and read sequence numbers can be thought of as a two
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| /freebsd/sys/contrib/device-tree/Bindings/firmware/ |
| H A D | nvidia,tegra186-bpmp.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/firmware/nvidia,tegra186-bpm
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| /freebsd/lib/libpmc/pmu-events/arch/x86/icelakex/ |
| H A D | uncore-other.json | 23 …"BriefDescription": "Local read requests that miss the SF/LLC and are sent to the CHA's home agent…
33 "BriefDescription": "Remote read requests sent to the CHA's home agent",
81 "BriefDescription": "CHA to iMC Full Line Writes Issued : Full Line Non-ISOCH",
101 …"BriefDescription": "Local read requests that miss the SF/LLC and remote read requests sent to the…
121 "BriefDescription": "Snoop filter capacity evictions for E-state entries",
131 "BriefDescription": "Snoop filter capacity evictions for M-state entries",
141 "BriefDescription": "Snoop filter capacity evictions for S-state entries",
588 … "BriefDescription": "TOR Occupancy : DRds issued by iA Cores that Missed the LLC - HOMed locally",
598 …"BriefDescription": "TOR Occupancy : DRds issued by iA Cores that Missed the LLC - HOMed remotely",
608 … "BriefDescription": "TOR Inserts : DRds issued by iA Cores that Missed the LLC - HOMed locally",
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| /freebsd/lib/libpmc/ |
| H A D | pmc.3 | 1 .\" Copyright (c) 2003-2008 Joseph Koshy. All rights reserved.
40 The library is implemented using the lower-level facilities offered by
50 .Bl -bullet
53 These PMCs measure events in a whole-system manner, i.e., independent
57 Non-privileged process are allowed to allocate system scope PMCs if the
61 is non-zero.
65 attached to are executing on a CPU.
72 .Bl -bullet
76 The application needs to explicitly read these counters
79 Sampling PMCs cause the CPU to be periodically interrupted
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| /freebsd/contrib/bearssl/src/codec/ |
| H A D | pemdec.t0 | 27 …(br_pem_decoder_context *)(void *)((unsigned char *)t0ctx - offsetof(br_pem_decoder_context, cpu)))
34 ctx->cpu.dp = &ctx->dp_stack[0];
35 ctx->cpu.rp = &ctx->rp_stack[0];
36 br_pem_decoder_init_main(&ctx->cpu);
37 br_pem_decoder_run(&ctx->cpu);
45 if (ctx->event) {
48 ctx->hbuf = data;
49 ctx->hlen = len;
50 br_pem_decoder_run(&ctx->cpu);
51 return len - ctx->hlen;
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| /freebsd/lib/libpmc/pmu-events/arch/x86/knightslanding/ |
| H A D | uncore-memory.json | 3 "BriefDescription": "ddr bandwidth read (CPU traffic only) (MB/sec). ",
8 "ScaleUnit": "6.4e-05MiB",
13 "BriefDescription": "ddr bandwidth write (CPU traffic only) (MB/sec). ",
18 "ScaleUnit": "6.4e-05MiB",
23 "BriefDescription": "mcdram bandwidth read (CPU traffic only) (MB/sec). ",
28 "ScaleUnit": "6.4e-05MiB",
33 "BriefDescription": "mcdram bandwidth write (CPU traffic only) (MB/sec). ",
38 "ScaleUnit": "6.4e-05MiB",
|
| /freebsd/sys/dev/hwpmc/ |
| H A D | hwpmc_powerpc.c | 1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
42 #include <machine/cpu.h>
61 void (*powerpc_set_pmc)(int cpu, int ri, int config);
106 powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc) in powerpc_describe() argument
110 KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), in powerpc_describe()
111 ("[powerpc,%d], illegal CPU %d", __LINE__, cpu)); in powerpc_describe()
113 phw = &powerpc_pcpu[cpu]->pc_ppcpmcs[ri]; in powerpc_describe()
115 snprintf(pi->pm_name, sizeof(pi->pm_name), "POWERPC-%d", ri); in powerpc_describe()
116 pi->pm_class = powerpc_pcpu[cpu]->pc_class; in powerpc_describe()
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| /freebsd/contrib/llvm-project/llvm/lib/XRay/ |
| H A D | RecordInitializer.cpp | 1 //===- FDRRecordProducer.cpp - XRay FDR Mode Record Producer --------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
23 "Cannot read buffer extent at offset %" PRId64 ".", in visit()
26 OffsetPtr += MetadataRecord::kMetadataBodySize - (OffsetPtr - PreReadOffset); in visit()
42 "Cannot read wall clock 'seconds' field at offset %" PRId64 ".", in visit()
50 "Cannot read wall clock 'nanos' field at offset %" PRId64 ".", in visit()
54 assert(OffsetPtr - BeginOffset <= MetadataRecord::kMetadataBodySize); in visit()
55 OffsetPtr += MetadataRecord::kMetadataBodySize - (OffsetPtr - BeginOffset); in visit()
64 "Invalid offset for a new cpu id record (%" PRId64 ").", OffsetPtr); in visit()
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| /freebsd/usr.bin/top/ |
| H A D | top.1 | 6 .Nd display and update information about the top cpu processes
26 Raw cpu percentage is used to rank the processes.
51 .Bl -tag -width indent
59 Non-printable characters in the command line are
60 encoded in C-style backslash sequences or
71 Toggle CPU display mode.
72 By default top displays the weighted CPU percentage in the WCPU column
75 displays as CPU).
79 .Dq raw cpu
81 .Dq weighted cpu
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| /freebsd/share/man/man7/ |
| H A D | mitigations.7 | 1 .\"-
2 .\" SPDX-License-Identifer: BSD-2-Clause
42 Some of these mitigations have run-time controls to enable them on a global
43 or per-process basis, some are optionally enabled or disabled at compile time,
48 .Bl -bullet -compact
58 Relocation Read
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| /freebsd/usr.sbin/cpucontrol/ |
| H A D | cpucontrol.8 | 85 utility can be used to read and write arbitrary machine-specific
89 It can also be used to apply CPU firmware updates.
92 .Bl -tag -width indent
97 line, default directories are appended after the user-supplied paths.
137 Apply CPU firmware updates.
141 and apply all firmware updates available for this CPU.
143 Re-evaluate the kernel flags indicating the present CPU features.
149 .Bf -symbolic
162 .Ex -std
166 .Dq Li "cpucontrol -m 0x10 /dev/cpuctl0"
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| /freebsd/share/man/man4/man4.i386/ |
| H A D | perfmon.4 | 33 .Nd CPU performance-monitoring interface
35 .Cd cpu I586_CPU
36 .Cd cpu I686_CPU
41 driver provides access to the internal performance-monitoring
50 (in CPU cycles), as well as a cycle counter which counts clock cycles.
53 driver provides a device-style interface to these capabilities.
55 All access to the performance-monitoring counters is performed through
72 numbers used are the correct ones for the CPU type being measured.
77 .Bl -tag -width PMIOTSTAMP
83 .Bl -tag -width "u_char pmc_eventx"
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|