> On 04.06.2015, at 18:56, Martin Sperl <[email protected]> wrote:
>> We do get to control the permissions on sysfs files, though it's a bit
>> more unusual to make things root only (and there is the histogram).
>
> I left histogram as a single file because I remember having seen a file in
> /sys with similar semantics using multiple values (but I can not
> remember which one).
Now that I am back here some examples from /sys which contain multiple values:
/sys/devices/platform/soc/20980000.usb/pools:
poolinfo - 0.1
buffer-2048 0 0 2048 0
buffer-512 0 0 512 0
buffer-128 1 32 128 1
buffer-32 0 0 32 0
/sys/devices/platform/soc/20980000.usb/usb1/1-1/1-1.3/1-1.3:1.0/host0/target0:0:0/0:0:0:0/block/sda/sda1/stat:
/sys/devices/platform/soc/20300000.sdhci/mmc_host/mmc0/mmc0:e624/block/mmcblk0/mmcblk0p1/stat:
425 56 3842 670 7 9 128 2080
0 1530 2750
/sys/kernel/vmcoreinfo:
85d84c 1024
/sys/devices/platform/soc/20300000.sdhci/mmc_host/mmc0/mmc0:e624/block/mmcblk0/inflight:
/sys/devices/platform/soc/20980000.usb/usb1/1-1/1-1.3/1-1.3:1.0/host0/target0:0:0/0:0:0:0/block/sda/sda1/inflight:
0 0
So it is rare, but not totally uncommon - especially those block statistics.
I can still remove the histogram or move it to separate files per bin
(similar to /sys/kernel/slab/:t-*)
What would you prefer so that I can fix the patch?--
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