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what does CPU do during process swapping
How can swapoff be that slow?Linux (3.4) SSD swap partition usage causes extreme latency - how to eliminate?GNU/Linux swapping blocks systemLog from oom killerPermanent swapping with lots of free memoryLinux kernel: Bigger swap-in chunksWhy is my Fedora Linux system swapping like crazy?Why Linux does not clean up disk caches and swap automatically?Building custom kernel with kswapd0 disabledDoes Linux perform “opportunistic swapping”, or is it a myth?
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swapping out and swapping in of a process takes huge time (assume 2 secs as I read in Galvin)
Question 1 : during that 2 secs does CPU waits for the process to load or it's assigned to some other process?
My doubt : during swapping-out, a process travels from main memory to secondary memory (disk), that transfer can be performed by DMA and swapping-in can also be performed by DMA, so the idle time (i.e. 2 secs) can be utilised by CPU, by assigning some other process.
swap
asked 3 hours ago
hulesh chandrahulesh chandra
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swapping out and swapping in of a process takes huge time (assume 2 secs as I read in Galvin)
Question 1 : during that 2 secs does CPU waits for the process to load or it's assigned to some other process?
My doubt : during swapping-out, a process travels from main memory to secondary memory (disk), that transfer can be performed by DMA and swapping-in can also be performed by DMA, so the idle time (i.e. 2 secs) can be utilised by CPU, by assigning some other process.
swap
asked 3 hours ago
hulesh chandrahulesh chandra
1
New contributor
hulesh chandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
swapping out and swapping in of a process takes huge time (assume 2 secs as I read in Galvin)
Question 1 : during that 2 secs does CPU waits for the process to load or it's assigned to some other process?
My doubt : during swapping-out, a process travels from main memory to secondary memory (disk), that transfer can be performed by DMA and swapping-in can also be performed by DMA, so the idle time (i.e. 2 secs) can be utilised by CPU, by assigning some other process.
swap
asked 3 hours ago
hulesh chandrahulesh chandra
1
New contributor
hulesh chandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
swapping out and swapping in of a process takes huge time (assume 2 secs as I read in Galvin)
Question 1 : during that 2 secs does CPU waits for the process to load or it's assigned to some other process?
My doubt : during swapping-out, a process travels from main memory to secondary memory (disk), that transfer can be performed by DMA and swapping-in can also be performed by DMA, so the idle time (i.e. 2 secs) can be utilised by CPU, by assigning some other process.
swap
swap
asked 3 hours ago
hulesh chandrahulesh chandra
1
New contributor
hulesh chandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 3 hours ago
hulesh chandrahulesh chandra
1
New contributor
hulesh chandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 3 hours ago
hulesh chandrahulesh chandra
1
New contributor
hulesh chandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 3 hours ago
hulesh chandrahulesh chandra
1
asked 3 hours ago
hulesh chandrahulesh chandra
1
1
New contributor
hulesh chandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
hulesh chandra is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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