Questions tagged [io]
IO or I/O is a common shorthand for referring to Input and Output
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EMMC with unblanced block erase count
We developed some embedded Linux products which write data log 24h*7 to 8GB eMMC chips. When reading the block erase counts of every block inside the eMMC chips by sending the CMD56 command. We found ...
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Why does transferring files to a USB stick grind my computer to a halt?
I'm currently syncing a bunch of files to a USB stick.
Regardless of what USB version it uses, and regardless of my motherboard's ability to transfer USB data, why does it cause my entire computer to ...
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Using the sound card of a DVD player with a surround sound system for my monitor [closed]
I've recently acquired a DVD player with a built-in 5+1 Surround sound system from a family member. I have been using streaming services quite awhile now so I really don't need a DVD player. However I ...
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How to redirect specific file I/O to another drive
I'm on Windows and i'm dealing with a badly written application that needs to store huge temporary files, but the temp directory is apparently hardcoded to %localappdata%\Temp and cannot be changed.
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PCI device: who assign I/O address range ? (Bios, Driver or Opeating System)
Who assign I/O memory adress range ?
I'm a little confused, I don't know if this address range is assigned by Bios, Driver or Operating system.
I have a problem with an address range of a device and ...
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HDD I/O fast at first but gradually decreases? [duplicate]
I was benchmarking my WD 500 GB HDD in Ubuntu Disks several times and saw that the read speeds started at 140 MB/s, but it consistently would gradually decrease by a few MB/s with seemingly no floor. ...
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unclear semantics of some fio options
I am doing some raw disk tests using fio. I found some behaviour are not clear when I specify --filename=/dev/device_name and --direct=1. Could please help me to explain it?
(1) default ioengine is ...
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High percentage of IO in iotop
I have a problem with a very slow process (mongod), so I downloaded iotop to see how is my drive going.
I can see a very high percentage in the IO< column, constantly about 70-99%. Can someone ...
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Writing keypresses to SSD & wear leveling
I am planning to write an application that tries to write as much to file as possible as to never lose any significant amount of data. It will write every key stroke including micro or even nano-...
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why keyboard input lags while using Zoom app
Every time I am using Zoom App or Google Meet, The keyboard input is delayed terribly (about 3s+) while typing in any kind of application.
I tried to reinstall Zoom again, deactivate my antiVirus (...
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Find out which files a process is writing to
I have this very annoying problem with Firefox for months where its CPU usage jumps to over 24% after a while when idle. Any official troubleshooting has lead to no positive results (tried to reset, ...
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IO shield is causing my motherboard to not align with case standoffs
I have a question regarding the IO shield in my PC build. I'm a complete beginner when it comes to this, so this might be a silly question. I've recently started building a computer but I've hit a bit ...
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Why does the RTX IO in the Nvidia GeForce RTX 30 Series use any CPU at all even though the information flow from the storage to the GPU?
I saw in the 2020-09-01 Official Launch Event for the NVIDIA GeForce RTX 30 Series that the RTX IO in the Nvidia GeForce RTX 30 Series allows the GPU to directly access the storage (SSD) without ...
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Blktrace missing I/O events
I'm using blktrace to capture the traffic that goes to my device and have been dealing with some painful issues. Wondering if you guys can confirm/correct my findings.
Seems like blktrace is missing ...
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How do I set /sys/block/X/queue/scheduler on Ubuntu 18.04 with HWE on startup
I am running Ubuntu 18.04 (Bionic) with the HWE stack installed. This means I have the 5.3 Linux kernel running.
In older versions of the kernel, apparently passing elevator=noop when GRUB starts the ...
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