front\-end (full) in projects: Linux-v5.15

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/Linux-v5.15/tools/perf/pmu-events/arch/x86/tigerlake/
D	frontend.json	3 …front end is resteered, mainly when the BPU cannot provide a correct prediction and this is correc… 9 …"PublicDescription": "Counts the number of times the front-end is resteered when it finds a branch… 14 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE transitions count.", 22 …"PublicDescription": "Counts the number of Decode Stream Buffer (DSB a.k.a. Uop Cache)-to-MITE spe… 27 "BriefDescription": "DSB-to-MITE switch true penalty cycles.", 33 …"PublicDescription": "Decode Stream Buffer (DSB) is a Uop-cache that holds translations of previou… 47 …Instructions that experienced DSB (Decode stream buffer i.e. the decoded instruction-cache) miss.", 98 "BriefDescription": "Retired instructions after front-end starvation of at least 1 cycle", 107 …ter an interval where the front-end delivered no uops for a period of at least 1 cycle which was n… 113 … after an interval where the front-end delivered no uops for a period of 128 cycles which was not … [all …]
/Linux-v5.15/tools/perf/pmu-events/arch/x86/icelake/
D	frontend.json	3 …front end is resteered, mainly when the BPU cannot provide a correct prediction and this is correc… 9 …"PublicDescription": "Counts the number of times the front-end is resteered when it finds a branch… 24 …Instructions that experienced DSB (Decode stream buffer i.e. the decoded instruction-cache) miss.", 65 …red by the Instruction Decode Queue (IDQ) to the back-end of the pipeline when there was no back-e… 83 … after an interval where the front-end delivered no uops for a period of 256 cycles which was not … 92 … after an interval where the front-end delivered no uops for a period of 256 cycles which was not … 111 …ter an interval where the front-end had at least 1 bubble-slot for a period of 2 cycles which was … 120 …delivered to the back-end after the front-end had at least 1 bubble-slot for a period of 2 cycles.… 126 "BriefDescription": "DSB-to-MITE switch true penalty cycles.", 132 …"PublicDescription": "Decode Stream Buffer (DSB) is a Uop-cache that holds translations of previou… [all …]
/Linux-v5.15/tools/perf/pmu-events/arch/x86/icelakex/
D	frontend.json	117 …etch tag lookups that hit in the instruction cache (L1I). Counts at 64-byte cache-line granularity… 123 …etch tag lookups that hit in the instruction cache (L1I). Counts at 64-byte cache-line granularity… 129 …tch tag lookups that miss in the instruction cache (L1I). Counts at 64-byte cache-line granularity… 135 …tch tag lookups that miss in the instruction cache (L1I). Counts at 64-byte cache-line granularity… 159 … to by the Instruction Decode Queue (IDQ) to the back-end of the pipeline when there was no back-e… 172 …red by the Instruction Decode Queue (IDQ) to the back-end of the pipeline when there was no back-e… 178 …n": "Cycles when optimal number of uops was delivered to the back-end when the back-end is not sta… 186 …red by the Instruction Decode Queue (IDQ) to the back-end of the pipeline when there was no back-e… 192 "BriefDescription": "DSB-to-MITE switch true penalty cycles.", 198 …"PublicDescription": "Decode Stream Buffer (DSB) is a Uop-cache that holds translations of previou… [all …]
/Linux-v5.15/tools/perf/pmu-events/arch/x86/skylake/
D	frontend.json	27 … after an interval where the front-end delivered no uops for a period of 128 cycles which was not … 57 …"PublicDescription": "Counts, on the per-thread basis, cycles when less than 1 uop is delivered to… 62 …front end is resteered, mainly when the BPU cannot provide a correct prediction and this is correc… 67 …"PublicDescription": "Counts the number of times the front-end is resteered when it finds a branch… 72 …Retired Instructions who experienced decode stream buffer (DSB - the decoded instruction-cache) mi… 80 …Instructions that experienced DSB (Decode stream buffer i.e. the decoded instruction-cache) miss.", 92 …"PublicDescription": "Counts, on the per-thread basis, cycles when no uops are delivered to Resour… 97 …d after an interval where the front-end delivered no uops for a period of 16 cycles which was not … 105 …ons that are delivered to the back-end after a front-end stall of at least 16 cycles. During this … 121 "BriefDescription": "Cycles with less than 2 uops delivered by the front end.", [all …]
/Linux-v5.15/tools/perf/pmu-events/arch/x86/skylakex/
D	frontend.json	3 …front end is resteered, mainly when the BPU cannot provide a correct prediction and this is correc… 8 …"PublicDescription": "Counts the number of times the front-end is resteered when it finds a branch… 13 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switches", 18 …e Decode Stream Buffer (DSB)-to-MITE switches including all misses because of missing Decode Strea… 23 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switch true penalty cycles.", 28 …-to-MITE switch true penalty cycles. These cycles do not include uops routed through because of th… 33 …Retired Instructions who experienced decode stream buffer (DSB - the decoded instruction-cache) mi… 41 …Instructions that experienced DSB (Decode stream buffer i.e. the decoded instruction-cache) miss.", 87 "BriefDescription": "Retired instructions after front-end starvation of at least 1 cycle", 95 …ter an interval where the front-end delivered no uops for a period of at least 1 cycle which was n… [all …]
/Linux-v5.15/tools/perf/pmu-events/arch/x86/cascadelakex/
D	frontend.json	3 …front end is resteered, mainly when the BPU cannot provide a correct prediction and this is correc… 8 …"PublicDescription": "Counts the number of times the front-end is resteered when it finds a branch… 13 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switches", 18 …e Decode Stream Buffer (DSB)-to-MITE switches including all misses because of missing Decode Strea… 23 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switch true penalty cycles.", 28 …-to-MITE switch true penalty cycles. These cycles do not include uops routed through because of th… 33 …Retired Instructions who experienced decode stream buffer (DSB - the decoded instruction-cache) mi… 41 …Instructions that experienced DSB (Decode stream buffer i.e. the decoded instruction-cache) miss.", 87 "BriefDescription": "Retired instructions after front-end starvation of at least 1 cycle", 95 …ter an interval where the front-end delivered no uops for a period of at least 1 cycle which was n… [all …]
/Linux-v5.15/Documentation/admin-guide/
D	pstore-blk.rst	1 .. SPDX-License-Identifier: GPL-2.0 7 ------------ 10 block device and non-block device before the system crashes. You can get 13 mount -t pstore pstore /sys/fs/pstore 17 --------------------- 27 Configurations for driver are all about block device and non-block device, 31 ----------------------- 51 #. /dev/<disk_name><decimal> represents the device number of partition - device 53 #. /dev/<disk_name>p<decimal> - same as the above; this form is used when disk 60 #. PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF represents the unique id of [all …]
/Linux-v5.15/tools/perf/pmu-events/arch/x86/silvermont/
D	pipeline.json	94 …he processor predicts that the branch would be taken, but it is not, or vice-versa. When the misp… 104 …he processor predicts that the branch would be taken, but it is not, or vice-versa. When the misp… 114 …he processor predicts that the branch would be taken, but it is not, or vice-versa. When the misp… 124 …he processor predicts that the branch would be taken, but it is not, or vice-versa. When the misp… 134 …he processor predicts that the branch would be taken, but it is not, or vice-versa. When the misp… 144 …he processor predicts that the branch would be taken, but it is not, or vice-versa. When the misp… 153 …"PublicDescription": "This event counts the number of micro-ops retired that were supplied from MS… 159 "BriefDescription": "MSROM micro-ops retired" 162 …-ops retired. The processor decodes complex macro instructions into a sequence of simpler micro-op… 168 "BriefDescription": "Micro-ops retired" [all …]
/Linux-v5.15/drivers/media/i2c/
D	ccs-pll.h	`1 /* SPDX-License-Identifier: GPL-2.0-only / 3 drivers/media/i2c/ccs-pll.h 17 /* CSI-2 or CCP-2 / 37 struct ccs_pll_branch_fr - CCS PLL configuration (front) 39 * A single branch front-end of the CCS PLL tree. 41 * @pre_pll_clk_div: Pre-PLL clock divisor 54 * struct ccs_pll_branch_bk - CCS PLL configuration (back) 56 * A single branch back-end of the CCS PLL tree. 71 * struct ccs_pll - Full CCS PLL configuration 78 * @csi2: CSI-2 related parameters [all …]`
/Linux-v5.15/tools/perf/pmu-events/arch/x86/goldmont/
D	pipeline.json	83 …front end and allocated into the back end of the machine. This event counts uops that retire as w… 89 "BriefDescription": "Uops issued to the back end per cycle" 113 …front-end inefficiencies. I.e. when front-end of the machine is not delivering uops to the back-en… 119 "BriefDescription": "Uops requested but not-delivered to the back-end per cycle" 146 …ued by the micro-sequencer (MS). Counts both the uops from a micro-coded instruction, and the uop… 188 …ction and has to perform a machine clear because of that modification. Self-modifying code (SMC) … 194 "BriefDescription": "Self-Modifying Code detected"
/Linux-v5.15/include/media/
D	demux.h	4 * The Kernel Digital TV Demux kABI defines a driver-internal interface for 5 * registering low-level, hardware specific driver to a hardware independent 64 * enum ts_filter_type - filter type bitmap for dmx_ts_feed.set\(\) 69 * @TS_DECODER: Send stream to built-in decoder (if present). 81 * struct dmx_ts_feed - Structure that contains a TS feed filter 83 * @is_filtering: Set to non-zero when filtering in progress 112 * struct dmx_section_filter - Structure that describes a section filter 120 * @parent: Back-pointer to struct dmx_section_feed. 139 * struct dmx_section_feed - Structure that contains a section feed filter 141 * @is_filtering: Set to non-zero when filtering in progress [all …]
/Linux-v5.15/tools/perf/pmu-events/arch/x86/goldmontplus/
D	pipeline.json	98 …front end and allocated into the back end of the machine. This event counts uops that retire as w… 106 "BriefDescription": "Uops issued to the back end per cycle" 134 …front-end inefficiencies. I.e. when front-end of the machine is not delivering uops to the back-en… 142 "BriefDescription": "Uops requested but not-delivered to the back-end per cycle" 165 "BriefDescription": "Instructions retired - using Reduced Skid PEBS feature" 183 …ued by the micro-sequencer (MS). Counts both the uops from a micro-coded instruction, and the uop… 231 …ction and has to perform a machine clear because of that modification. Self-modifying code (SMC) … 239 "BriefDescription": "Self-Modifying Code detected" 267 …r of times that the machines clears due to a page fault. Covers both I-side and D-side(Loads/Store…
/Linux-v5.15/drivers/gpu/drm/udl/
D	udl_transfer.c	`1 // SPDX-License-Identifier: GPL-2.0-only 29 * Trims identical data from front and back of line 30 * Sets new front buffer address and width 33 * for back and front buffer ptrs and width 40 const unsigned long front = (const unsigned long ) *bfront; 44 int end = width; 47 if (back[j] != front[j]) { 53 for (k = width - 1; k > j; k--) { 54 if (back[k] != front[k]) { 55 end = k+1; [all …]`
/Linux-v5.15/net/ceph/
D	mon_client.c	1 // SPDX-License-Identifier: GPL-2.0 24 * of cmon daemons use a modified version of the Paxos part-time parliament 39 static int decode_mon_info(void *p, void end, bool msgr2, in decode_mon_info() argument 47 ret = ceph_start_decoding(p, end, 1, "mon_info_t", &struct_v, in decode_mon_info() 53 ceph_decode_skip_string(p, end, e_inval); /* skip mon name / in decode_mon_info() 54 ret = ceph_decode_entity_addrvec(p, end, msgr2, addr); in decode_mon_info() 62 return -EINVAL; in decode_mon_info() 70 static struct ceph_monmap ceph_monmap_decode(void *p, void end, bool msgr2) in ceph_monmap_decode() argument 82 ceph_decode_32_safe(p, end, blob_len, e_inval); in ceph_monmap_decode() 83 ceph_decode_need(p, end, blob_len, e_inval); in ceph_monmap_decode() [all …]
/Linux-v5.15/tools/perf/pmu-events/arch/x86/haswell/
D	frontend.json	139 …"PublicDescription": "This event counts uops delivered by the Front-end with the assistance of the… 149 …s event counts cycles during which the microcode sequencer assisted the Front-end in delivering uo… 205 … "BriefDescription": "Cycles where a code fetch is stalled due to L1 instruction-cache miss.", 214 … "BriefDescription": "Cycles where a code fetch is stalled due to L1 instruction-cache miss.", 218 …Front-end to the Resource Allocation Table (RAT) while the Back-end of the processor is not stalle… 229 …Front-end allocated exactly zero uops to the Resource Allocation Table (RAT) while the Back-end of… 258 "BriefDescription": "Cycles with less than 2 uops delivered by the front end.", 269 "BriefDescription": "Cycles with less than 3 uops delivered by the front end.", 291 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switch true penalty cycles.",
/Linux-v5.15/tools/perf/pmu-events/arch/x86/haswellx/
D	frontend.json	144 …"PublicDescription": "This event counts uops delivered by the Front-end with the assistance of the… 155 …s event counts cycles during which the microcode sequencer assisted the Front-end in delivering uo… 202 … "BriefDescription": "Cycles where a code fetch is stalled due to L1 instruction-cache miss.", 211 … "BriefDescription": "Cycles where a code fetch is stalled due to L1 instruction-cache miss.", 224 …Front-end to the Resource Allocation Table (RAT) while the Back-end of the processor is not stalle… 236 …Front-end allocated exactly zero uops to the Resource Allocation Table (RAT) while the Back-end of… 254 "BriefDescription": "Cycles with less than 2 uops delivered by the front end.", 265 "BriefDescription": "Cycles with less than 3 uops delivered by the front end.", 288 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switch true penalty cycles.",
/Linux-v5.15/include/xen/interface/io/
D	ring.h	`4 * Shared producer-consumer ring macros. 33 * - standard integers types (uint8_t, uint16_t, etc) 38 * - size_t 39 * - memcpy 40 * - grant_ref_t 49 /* Round a 32-bit unsigned constant down to the nearest power of two. / 60 power of two (so we can mask with (size-1) to loop around). 63 (__RD32(((_sz) - offsetof(struct _s##_sring, ring)) / \ 64 sizeof(((struct _s##_sring *)0)->ring[0]))) 69 (__RD32(((_sz) - (long)(_s)->ring + (long)(_s)) / sizeof((_s)->ring[0]))) [all …]`
/Linux-v5.15/Documentation/driver-api/media/
D	dtv-demux.rst	1 .. SPDX-License-Identifier: GPL-2.0 4 --------------------- 9 The Kernel Digital TV Demux kABI defines a driver-internal interface for 10 registering low-level, hardware specific driver to a hardware independent 20 Each demux receives its TS input from a DVB front-end or from memory, as 21 set via this demux kABI. In a system with more than one front-end, the kABI 22 can be used to select one of the DVB front-ends as a TS source for a demux, 25 The demux kABI only controls front-ends regarding to their connections with 26 demuxes; the kABI used to set the other front-end parameters, such as 51 This kernel-space API comprises the callback functions that deliver filtered [all …]
/Linux-v5.15/sound/soc/fsl/
D	fsl_asrc_dma.c	1 // SPDX-License-Identifier: GPL-2.0 9 #include <linux/dma-mapping.h> 11 #include <linux/platform_data/dma-imx.h> 37 chan->private = param; in filter() 45 struct snd_pcm_runtime runtime = substream->runtime; in fsl_asrc_dma_complete() 46 struct fsl_asrc_pair pair = runtime->private_data; in fsl_asrc_dma_complete() 48 pair->pos += snd_pcm_lib_period_bytes(substream); in fsl_asrc_dma_complete() 49 if (pair->pos >= snd_pcm_lib_buffer_bytes(substream)) in fsl_asrc_dma_complete() 50 pair->pos = 0; in fsl_asrc_dma_complete() 58 u8 dir = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? OUT : IN; in fsl_asrc_dma_prepare_and_submit() [all …]
/Linux-v5.15/fs/ceph/
D	mds_client.c	1 // SPDX-License-Identifier: GPL-2.0 26 #define RECONNECT_MAX_SIZE (INT_MAX - PAGE_SIZE) 73 static int parse_reply_info_quota(void *p, void end, in parse_reply_info_quota() argument 79 ceph_decode_8_safe(p, end, struct_v, bad); in parse_reply_info_quota() 80 ceph_decode_8_safe(p, end, struct_compat, bad); in parse_reply_info_quota() 85 ceph_decode_32_safe(p, end, struct_len, bad); in parse_reply_info_quota() 86 ceph_decode_need(p, end, struct_len, bad); in parse_reply_info_quota() 87 end = *p + struct_len; in parse_reply_info_quota() 88 ceph_decode_64_safe(p, end, info->max_bytes, bad); in parse_reply_info_quota() 89 ceph_decode_64_safe(p, end, info->max_files, bad); in parse_reply_info_quota() [all …]
/Linux-v5.15/Documentation/userspace-api/media/dvb/
D	frontend_f_open.rst	1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 13 fe-open - Open a frontend device 18 .. code-block:: c 53 The device can be opened in read-only mode, which only allows monitoring 57 In a system with multiple front-ends, it is usually the case that 59 long as a front-end device is opened in read/write mode, other open() 61 non-blocking or blocking mode was specified. A front-end device opened 62 in blocking mode can later be put into non-blocking mode (and vice 67 powered up, and that other front-ends may have been powered down to make 74 On error, -1 is returned, and the ``errno`` variable is set appropriately. [all …]
D	frontend_f_close.rst	1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 13 fe-close - Close a frontend device 18 .. code-block:: c 33 This system call closes a previously opened front-end device. After 34 closing a front-end device, its corresponding hardware might be powered 42 On error -1 is returned, and the ``errno`` variable is set 46 :ref:`Generic Error Codes <gen-errors>` chapter.
/Linux-v5.15/tools/perf/pmu-events/arch/x86/jaketown/
D	frontend.json	76 …front-end in delivering uops. Microcode assists are used for complex instructions or scenarios th… 87 …-end per cycle, per thread, when the back-end was not stalled. In the ideal case 4 uops can be de… 122 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switches.", 126 …-end cannot accept new micro-ops. The penalty for these switches is potentially several cycles o… 132 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switch true penalty cycles.", 200 "BriefDescription": "Cycles with less than 2 uops delivered by the front end.", 210 "BriefDescription": "Cycles with less than 3 uops delivered by the front end.", 221 "BriefDescription": "Cycles when 1 or more uops were delivered to the by the front end.",
/Linux-v5.15/tools/perf/pmu-events/arch/x86/sandybridge/
D	frontend.json	138 …front-end in delivering uops. Microcode assists are used for complex instructions or scenarios th… 188 …-end per cycle, per thread, when the back-end was not stalled. In the ideal case 4 uops can be de… 223 "BriefDescription": "Cycles with less than 2 uops delivered by the front end.", 233 "BriefDescription": "Cycles with less than 3 uops delivered by the front end.", 244 "BriefDescription": "Cycles when 1 or more uops were delivered to the by the front end.", 265 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switches.", 269 …-end cannot accept new micro-ops. The penalty for these switches is potentially several cycles o… 275 "BriefDescription": "Decode Stream Buffer (DSB)-to-MITE switch true penalty cycles.",
/Linux-v5.15/drivers/media/platform/sti/c8sectpfe/
D	Kconfig	`1 # SPDX-License-Identifier: GPL-2.0-only 17 This adds support for DVB front-end cards connected 23 Supported DVB front-end cards are: 24 - STMicroelectronics DVB-T B2100A (STV0367 + TDA18212) 25 - STMicroelectronics DVB-S/S2 STV0903 + STV6110 + LNBP24 board`

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