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/linux-6.8/drivers/gpu/drm/i915/soc/
Dintel_dram.c17 u8 width, ranks; member
22 u8 ranks; member
197 return dimm->ranks * 64 / (dimm->width ?: 1); in intel_dimm_num_devices()
281 dimm->ranks = icl_get_dimm_ranks(val); in skl_dram_get_dimm_info()
285 dimm->ranks = skl_get_dimm_ranks(val); in skl_dram_get_dimm_info()
289 "CH%u DIMM %c size: %u Gb, width: X%u, ranks: %u, 16Gb DIMMs: %s\n", in skl_dram_get_dimm_info()
290 channel, dimm_name, dimm->size, dimm->width, dimm->ranks, in skl_dram_get_dimm_info()
309 if (ch->dimm_l.ranks == 2 || ch->dimm_s.ranks == 2) in skl_dram_get_channel_info()
310 ch->ranks = 2; in skl_dram_get_channel_info()
311 else if (ch->dimm_l.ranks == 1 && ch->dimm_s.ranks == 1) in skl_dram_get_channel_info()
[all …]
/linux-6.8/tools/perf/pmu-events/arch/x86/jaketown/
Duncore-memory.json148 …"PublicDescription": "Number of cycles when all the ranks in the channel are in CKE Slow (DLLOFF) …
156 …"PublicDescription": "Number of cycles when all the ranks in the channel are in PPD mode. If IBT=…
164ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
173ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
182ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
191ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
200ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
209ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
218ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
227ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
[all …]
/linux-6.8/tools/perf/pmu-events/arch/x86/ivytown/
Duncore-memory.json213 …"PublicDescription": "Number of cycles when all the ranks in the channel are in CKE Slow (DLLOFF) …
221 …"PublicDescription": "Number of cycles when all the ranks in the channel are in PPD mode. If IBT=…
229ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
238ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
247ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
256ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
265ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
274ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
283ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
292ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
[all …]
/linux-6.8/Documentation/devicetree/bindings/memory-controllers/ddr/
Djedec,lpddr-channel.yaml13 amount of individual LPDDR chips and the ranks per chip.
54 Each physical LPDDR chip may have one or more ranks. Ranks are
57 state of the CS pins. Different ranks may have different densities and
/linux-6.8/tools/perf/pmu-events/arch/x86/snowridgex/
Duncore-memory.json210 "BriefDescription": "Cycles where DRAM ranks are in power down (CKE) mode",
216 …"PublicDescription": "Channel PPD Cycles : Number of cycles when all the ranks in the channel are …
224ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
233ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
242ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
251ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
260 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
269 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
288 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
297 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
/linux-6.8/drivers/edac/
Di3000_edac.c333 c0dra[0] = readb(window + I3000_C0DRA + 0); /* ranks 0,1 */ in i3000_probe1()
334 c0dra[1] = readb(window + I3000_C0DRA + 1); /* ranks 2,3 */ in i3000_probe1()
335 c1dra[0] = readb(window + I3000_C1DRA + 0); /* ranks 0,1 */ in i3000_probe1()
336 c1dra[1] = readb(window + I3000_C1DRA + 1); /* ranks 2,3 */ in i3000_probe1()
384 * contained in all ranks. in i3000_probe1()
387 * the ranks of controller 0, so we double all the values we see. in i3000_probe1()
Dskx_common.c339 #define numrank(reg) skx_get_dimm_attr(reg, 12, 13, 0, 0, 2, "ranks")
347 int banks, ranks, rows, cols, npages; in skx_get_dimm_info() local
351 ranks = numrank(mtr); in skx_get_dimm_info()
369 size = ((1ull << (rows + cols + ranks)) * banks) >> (20 - 3); in skx_get_dimm_info()
374 banks, 1 << ranks, rows, cols); in skx_get_dimm_info()
Di5100_edac.c19 * several ranks. However, instead of showing memories as ranks, it outputs
20 * them as DIMM's. An internal table creates the association between ranks
293 /* ranks on each dimm -- 0 maps to not present -- obtained via SPD */
298 * DIMM slot chip selects. In the case of only 4 ranks per
332 unsigned ranksperchan; /* number of ranks per channel */
1003 /* figure out how many ranks, from strapped state of 48GB_Mode input */ in i5100_init_one()
De752x_edac.c197 * i3100 MC has a different mapping: it supports only 4 ranks.
203 * dimm #3 -> rank #2 Ranks 2 and 3
204 * dimm #4 -> rank $1 Ranks 1 and 4
207 * ranks/chanel, but datasheet says that the MC supports only 4 ranks.
Dsb_edac.c336 u32 ranks; member
699 int ranks = (1 << RANK_CNT_BITS(mtr)); in numrank() local
705 if (ranks > max) { in numrank()
706 edac_dbg(0, "Invalid number of ranks: %d (max = %i) raw value = %x (%04x)\n", in numrank()
707 ranks, max, (unsigned int)RANK_CNT_BITS(mtr), mtr); in numrank()
711 return ranks; in numrank()
1593 unsigned int i, j, banks, ranks, rows, cols, npages; in __populate_dimms() local
1647 ranks = numrank(pvt->info.type, mtr); in __populate_dimms()
1653 ((u64) cols * ranks * banks * 8); in __populate_dimms()
1659 size = ((u64)rows * cols * banks * ranks) >> (20 - 3); in __populate_dimms()
[all …]
Dedac_mc.h119 * on such scenarios, as grouping the multiple ranks require drivers change.
/linux-6.8/tools/perf/pmu-events/arch/x86/skylakex/
Duncore-memory.json257 …"PublicDescription": "Number of cycles when all the ranks in the channel are in CKE Slow (DLLOFF) …
261 "BriefDescription": "Cycles where DRAM ranks are in power down (CKE) mode",
267 …"PublicDescription": "Counts cycles when all the ranks in the channel are in PPD (PreCharge Power …
275ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
284ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
293ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
302ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
311ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
320ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
329ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
[all …]
/linux-6.8/tools/perf/pmu-events/arch/x86/broadwellde/
Duncore-memory.json213 …"PublicDescription": "Number of cycles when all the ranks in the channel are in CKE Slow (DLLOFF) …
221 …"PublicDescription": "Number of cycles when all the ranks in the channel are in PPD mode. If IBT=…
229ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
238ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
247ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
256ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
265ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
274ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
283ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
292ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
[all …]
/linux-6.8/tools/perf/pmu-events/arch/x86/haswellx/
Duncore-memory.json239 …"PublicDescription": "Number of cycles when all the ranks in the channel are in CKE Slow (DLLOFF) …
247 …"PublicDescription": "Number of cycles when all the ranks in the channel are in PPD mode. If IBT=…
255ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
264ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
273ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
282ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
291ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
300ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
309ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
318ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
[all …]
/linux-6.8/tools/perf/pmu-events/arch/x86/broadwellx/
Duncore-memory.json246 …"PublicDescription": "Number of cycles when all the ranks in the channel are in CKE Slow (DLLOFF) …
254 …"PublicDescription": "Number of cycles when all the ranks in the channel are in PPD mode. If IBT=…
262ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
271ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
280ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
289ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
298ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
307ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
316ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
325ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
[all …]
/linux-6.8/tools/perf/pmu-events/arch/x86/icelakex/
Duncore-memory.json437 …"PublicDescription": "Channel PPD Cycles : Number of cycles when all the ranks in the channel are …
445ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
454ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
463ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
472ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
481 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
490 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
507 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
516 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
/linux-6.8/tools/perf/pmu-events/arch/x86/cascadelakex/
Duncore-memory.json567 …"PublicDescription": "Number of cycles when all the ranks in the channel are in CKE Slow (DLLOFF) …
571 "BriefDescription": "Cycles where DRAM ranks are in power down (CKE) mode+C37",
577 …"PublicDescription": "Counts cycles when all the ranks in the channel are in PPD (PreCharge Power …
585ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
594ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
603ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
612ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
621ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
630ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
639ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
[all …]
/linux-6.8/Documentation/driver-api/
Dedac.rst69 This is the name of the DRAM signal used to select the DRAM ranks to be
201 HBM2e (2GB) channel (equivalent to 8 X 2GB ranks). This creates a total
277 │   ├── rank 31 # total 32 ranks/dimms from 4 UMCs
/linux-6.8/Documentation/filesystems/
Ddirectory-locking.rst126 ones - in these terms overlayfs ranks lower than its layers, network
127 filesystem ranks lower than whatever it caches on, etc.)
/linux-6.8/Documentation/admin-guide/perf/
Dalibaba_pmu.rst32 selected rank, or four ranks separately in the first 4 counters. The base
/linux-6.8/tools/perf/pmu-events/arch/x86/sapphirerapids/
Duncore-memory.json2408 …"PublicDescription": "Channel PPD Cycles : Number of cycles when all the ranks in the channel are …
2416ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
2425ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
2434ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
2443ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
2452 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
2461 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
/linux-6.8/tools/perf/pmu-events/arch/x86/emeraldrapids/
Duncore-memory.json2408 …"PublicDescription": "Channel PPD Cycles : Number of cycles when all the ranks in the channel are …
2416ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
2425ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
2434ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
2443ranks are in CKE ON mode at one time, the counter will ONLY increment by one rather than doing acc…
2452 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
2461 … distinguish between the two. This can be filtered by rank. If multiple ranks are selected and a…
/linux-6.8/lib/zstd/compress/
Dhuf_compress.c292 * @pre The sum of the ranks of each symbol == 2^largestBits,
294 * @post The sum of the ranks of each symbol == 2^largestBits,
316 /* Adjust any ranks > maxNbBits to maxNbBits. in HUF_setMaxHeight()
317 * Compute totalCost, which is how far the sum of the ranks is in HUF_setMaxHeight()
318 * we are over 2^largestBits after adjust the offending ranks. in HUF_setMaxHeight()
555 * each rank begins in the output, so for rank R we want to count ranks R+1 and above. in HUF_sort()
/linux-6.8/drivers/gpu/drm/nouveau/include/nvkm/subdev/
Dfb.h147 int ranks; member
/linux-6.8/Documentation/admin-guide/mm/
Dmultigen_lru.rst134 certain time interval to create new generations, and it ranks the

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