Add shared, buffer memory & Change unit to byte

[wolfdate25]

Shared, buffer memory information and unit changes.

[2024/03/18 21:10:15] [ info] [fluent bit] version=3.0.0, commit=2ff1365abc, pid=45683
[2024/03/18 21:10:15] [ info] [storage] ver=1.5.1, type=memory, sync=normal, checksum=off, max_chunks_up=128
[2024/03/18 21:10:15] [ info] [cmetrics] version=0.7.0
[2024/03/18 21:10:15] [ info] [ctraces ] version=0.4.0
[2024/03/18 21:10:15] [ info] [input:mem:mem.0] initializing
[2024/03/18 21:10:15] [ info] [input:mem:mem.0] storage_strategy='memory' (memory only)
[2024/03/18 21:10:15] [ info] [sp] stream processor started
[2024/03/18 21:10:15] [ info] [output:stdout:stdout.0] worker #0 started
[0] mem.0: [[1710763816.240879347, {}], {"Mem.total"=>33190821888, "Mem.used"=>4165926912, "Mem.free"=>29024894976, "Mem.shared"=>3170304, "Mem.buffer"=>123072512, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]
[0] mem.0: [[1710763817.240616841, {}], {"Mem.total"=>33190821888, "Mem.used"=>4165943296, "Mem.free"=>29024878592, "Mem.shared"=>3170304, "Mem.buffer"=>123072512, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]
[0] mem.0: [[1710763818.240591300, {}], {"Mem.total"=>33190821888, "Mem.used"=>4163796992, "Mem.free"=>29027024896, "Mem.shared"=>3170304, "Mem.buffer"=>123080704, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]
[0] mem.0: [[1710763819.240603306, {}], {"Mem.total"=>33190821888, "Mem.used"=>4163796992, "Mem.free"=>29027024896, "Mem.shared"=>3170304, "Mem.buffer"=>123080704, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]
[0] mem.0: [[1710763820.240604918, {}], {"Mem.total"=>33190821888, "Mem.used"=>4165890048, "Mem.free"=>29024931840, "Mem.shared"=>3170304, "Mem.buffer"=>123080704, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]
[0] mem.0: [[1710763821.240602812, {}], {"Mem.total"=>33190821888, "Mem.used"=>4165890048, "Mem.free"=>29024931840, "Mem.shared"=>3170304, "Mem.buffer"=>123080704, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]
[0] mem.0: [[1710763822.240597363, {}], {"Mem.total"=>33190821888, "Mem.used"=>4165890048, "Mem.free"=>29024931840, "Mem.shared"=>3170304, "Mem.buffer"=>123080704, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]
[0] mem.0: [[1710763823.240595038, {}], {"Mem.total"=>33190821888, "Mem.used"=>4165890048, "Mem.free"=>29024931840, "Mem.shared"=>3170304, "Mem.buffer"=>123080704, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]
[0] mem.0: [[1710763824.240610770, {}], {"Mem.total"=>33190821888, "Mem.used"=>4164018176, "Mem.free"=>29026803712, "Mem.shared"=>3170304, "Mem.buffer"=>123080704, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]
[0] mem.0: [[1710763825.240606888, {}], {"Mem.total"=>33190821888, "Mem.used"=>4164018176, "Mem.free"=>29026803712, "Mem.shared"=>3170304, "Mem.buffer"=>123080704, "Swap.total"=>8589934592, "Swap.used"=>0, "Swap.free"=>8589934592}]

A case for changing units kb to byte,
Many visualization tools define the default unit as bytes.
I suggest changing the unit to bytes for convenience in visualizations and to reduce unnecessary computations.

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Testing
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• Example configuration file for the change
• Debug log output from testing the change

• Attached Valgrind output that shows no leaks or memory corruption was found

If this is a change to packaging of containers or native binaries then please confirm it works for all targets.

• Run local packaging test showing all targets (including any new ones) build.
• Set ok-package-test label to test for all targets (requires maintainer to do).

Documentation

• Documentation required for this feature

Backporting

• Backport to latest stable release.

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Fluent Bit is licensed under Apache 2.0, by submitting this pull request I understand that this code will be released under the terms of that license.

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This PR is stale because it has been open 45 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[github-actions]

This PR is stale because it has been open 45 days with no activity. Remove stale label or comment or this will be closed in 10 days.