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Property:yaffs (procfs)

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  		 Name-Collision - multiple objects in this wiki use the name yaffs!
yaffs (filesys) Yet Another Flash Filesystem version 1.
yaffs (procfs) YAFFS / YAFFS2 filesystem statistics.

Procfs-Object

Procfs-Object: yaffs (procfs)   -   type File Wiki Freetz IPPF whmf AVM Web
Location: System >> Proc-Filesystem   -   Origin: Linux
Path: /proc
Properties: Firmware: 6.04 - 7.51   -   Kernel (perm): 2.6.28.10 (r), 2.6.32.61 (r), 3.10.107 (r), 3.10.73 (r), 4.4.60 (r)
Function: YAFFS / YAFFS2 filesystem statistics.

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Details

yaffs provides YAFFS / YAFFS2 filesystem statistics. It is provided by yaffs.ko which supports both yaffs versions.

Examples

7490 fw 7.29 examples: 

fritz3:/var/mod/root $ mount | grep yaffs

/dev/root on /wrapper type yaffs (ro,relatime)
/dev/mtdblock4 on /var/flash type yaffs2 (rw,sync,relatime)
/dev/mtdblock5 on /var/media/ftp type yaffs2 (rw,sync,relatime)

fritz3:/var/mod/root $ cat /proc/mtd 

dev:    size   erasesize  name
mtd0: 00400000 00020000 "kernel"
mtd1: 03000000 00020000 "filesystem"
mtd2: 00400000 00020000 "reserved-kernel"
mtd3: 03000000 00020000 "reserved-filesystem"
mtd4: 00200000 00020000 "config"
mtd5: 19600000 00020000 "nand-filesystem"
mtd6: 00040000 00001000 "urlader"
mtd7: 00060000 00001000 "tffs (1)"
mtd8: 00060000 00001000 "tffs (2)"

fritz3:/var/mod/root $ cat /proc/yaffs

Multi-version YAFFS built:May 26 2021 17:03:43

Device 0 "filesystem"
start_block.......... 0
end_block............ 383
total_bytes_per_chunk 2048
use_nand_ecc......... 1
no_tags_ecc.......... 1
is_yaffs2............ 1
inband_tags.......... 0
empty_lost_n_found... 1
disable_lazy_load.... 0
refresh_period....... 500
n_caches............. 10
n_reserved_blocks.... 5
always_check_erased.. 0

data_bytes_per_chunk. 2048
chunk_grp_bits....... 0
chunk_grp_size....... 1
n_erased_blocks...... 54
blocks_in_checkpt.... 1

n_tnodes............. 1503
n_obj................ 108
n_free_chunks........ 3517

n_page_writes........ 0
n_page_reads......... 15249
n_erasures........... 0
n_gc_copies.......... 0
all_gcs.............. 0
passive_gc_count..... 0
oldest_dirty_gc_count 0
n_gc_blocks.......... 0
bg_gcs............... 0
n_retired_writes..... 0
n_retired_blocks..... 0
n_ecc_fixed.......... 0
n_ecc_unfixed........ 0
n_tags_ecc_fixed..... 0
n_tags_ecc_unfixed... 0
cache_hits........... 0
n_deleted_files...... 0
n_unlinked_files..... 0
refresh_count........ 0
n_bg_deletions....... 0

Device 1 "config"
start_block.......... 0
end_block............ 15
total_bytes_per_chunk 2048
use_nand_ecc......... 1
no_tags_ecc.......... 1
is_yaffs2............ 1
inband_tags.......... 0
empty_lost_n_found... 1
disable_lazy_load.... 0
refresh_period....... 500
n_caches............. 10
n_reserved_blocks.... 5
always_check_erased.. 0

data_bytes_per_chunk. 2048
chunk_grp_bits....... 0
chunk_grp_size....... 1
n_erased_blocks...... 15
blocks_in_checkpt.... 0

n_tnodes............. 0
n_obj................ 62
n_free_chunks........ 965

n_page_writes........ 59
n_page_reads......... 135
n_erasures........... 1
n_gc_copies.......... 59
all_gcs.............. 12
passive_gc_count..... 12
oldest_dirty_gc_count 0
n_gc_blocks.......... 0
bg_gcs............... 0
n_retired_writes..... 0
n_retired_blocks..... 0
n_ecc_fixed.......... 0
n_ecc_unfixed........ 0
n_tags_ecc_fixed..... 0
n_tags_ecc_unfixed... 0
cache_hits........... 0
n_deleted_files...... 0
n_unlinked_files..... 1
refresh_count........ 1
n_bg_deletions....... 0

Device 2 "nand-filesystem"
start_block.......... 0
end_block............ 3247
total_bytes_per_chunk 2048
use_nand_ecc......... 1
no_tags_ecc.......... 1
is_yaffs2............ 1
inband_tags.......... 0
empty_lost_n_found... 1
disable_lazy_load.... 0
refresh_period....... 500
n_caches............. 10
n_reserved_blocks.... 5
always_check_erased.. 0

data_bytes_per_chunk. 2048
chunk_grp_bits....... 0
chunk_grp_size....... 1
n_erased_blocks...... 443
blocks_in_checkpt.... 0

n_tnodes............. 12834
n_obj................ 24
n_free_chunks........ 28375

n_page_writes........ 192
n_page_reads......... 231
n_erasures........... 7
n_gc_copies.......... 173
all_gcs.............. 35
passive_gc_count..... 35
oldest_dirty_gc_count 2
n_gc_blocks.......... 2
bg_gcs............... 2
n_retired_writes..... 0
n_retired_blocks..... 0
n_ecc_fixed.......... 0
n_ecc_unfixed........ 0
n_tags_ecc_fixed..... 0
n_tags_ecc_unfixed... 0
cache_hits........... 0
n_deleted_files...... 0
n_unlinked_files..... 18
refresh_count........ 1
n_bg_deletions....... 0

Dependencies

Daily updated index of all dependencies of this object. Last update: GMT.
A ** in the Mod column marks info from Supportdata2 probes, which will always stay incomplete.
A - in the Mod column marks manual research, the Firmware then shows where the Object occurs, not the Relation.

Relation Typ Object Mod Firmware Info Origin
0 dependencies for this object

Model-Matrix

Daily updated index of the presence, path and size of this object for each model. Last update: 2025-01-03 05:06 GMT.
Showing all models using this object. Click any column header (click-wait-click) to sort the list by the respective data.
The (main/scrpn/boot/arm/prx/atom/rtl) label in the Model column shows which CPU is meant for Multi-Linux models.
Note that this list comes from Supportdata2 probes, which can have arbitrary settings and come from different firmware versions.
It doesn't say much if a model is not listed here. It may be a missing supportdata2 file or just a disabled feature.

Model Firmware Path Kernel (perm)
FRITZ!Box 3490 7.30 /proc 3.10.107 (r)
FRITZ!Box 5490 7.29 /proc 3.10.107 (r)
FRITZ!Box 7272 6.88 /proc 2.6.32.61 (r)
FRITZ!Box 7362 SL 7.12 /proc 3.10.107 (r)
FRITZ!Box 7412 6.87 /proc 3.10.73 (r)
FRITZ!Box 7430 7.29 /proc 3.10.107 (r)
FRITZ!Box 7490 7.29 - 7.51 /proc 3.10.107 (r)
FRITZ!Box Fon WLAN 7390 6.04 /proc 2.6.28.10 (r)
FRITZ!WLAN Repeater 1750E 7.29 /proc 4.4.60 (r)
9 models use this object

Help Supportdata2

The data in this article is incomplete since it was manually collected using the Supportdata2 project.

Unlike the Supportdata-Probes which have been collected for years Supportdata2 is brand new and only has a few probes.
If you have access to a shell then please help to extend the Supportdata2 collection to improve this data.

It's easy and it's done in minutes. Please send created data as an Email attachment to the address listed here. Thanks!

SMW-Browser

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