[v3 migration] add more changelog and README.

README.rst

@@ -13,6 +13,10 @@ gopsutil: psutil for golang
 This is a port of psutil (https://github.com/giampaolo/psutil). The challenge is porting all
 psutil functions on some architectures.
 
+v3 migration
+---------------
+
+from v3.20.10, gopsutil becomes v3 which breaks backawards compatiblity. See [v3Changes.md](_tools/v3migration/v3Changes.md) more detail changes.
 
 Tag semantics
 -------------------------
@@ -51,7 +55,6 @@ All works are implemented without cgo by porting c struct to golang struct.
 Usage
 ---------
 
-Note: gopsutil v2 breaks compatibility. If you want to stay with compatibility, please use v1 branch and vendoring.
 
 .. code:: go
 
@@ -101,7 +104,7 @@ see http://godoc.org/github.com/shirou/gopsutil
 Requirements
 -----------------
 
-- go1.7 or above is required.
+- go1.11 or above is required.
 
 
 More Info

_tools/v3migration/v3Changes.md

@@ -1,15 +1,17 @@
 # v2 to v3 changes
 
+- v3 is in the `v3` directory
 
-- create v3 directory
-- Remove process.NetIOCounters (#429)
-- rename memoryLimitInBbytes JSON key in docker (#464)
-- fix cgroup filename (#464)
-- RLimit is now uint64 (#364)
-- mem.VirtualMemoryStat JSON fields capitalization (#545)
+- [process] RLimit is now uint64 (#364)
+- [process] Remove process.NetIOCounters (#429)
+- [docker] fix typo of memoryLimitInBbytes  (#464)
+- [mem] VirtualMemoryStat JSON fields capitalization (#545)
   - various JSON field name and some of Variable name have been changed. see v3migration.sh
-- Become private various kind of platform dependent values/constants such as process.GetWin32Proc.
-
-### not yet
-
-- Determine if process is running in the foreground (#596)
+- [all] various kind of platform dependent values/constants such as process.GetWin32Proc is now private. see v3migration.sh
+- [process] process.Status() now returns []string. and status string is "Running", not just "R". defined in process.go. (#596)
+- [docker] `CgroupCPU()` now returns `*CgroupCPUStat` with Usage  (#590 and #581)
+- [disk] `disk.Opts` is now string[], not string. (related to #955)
+- [host] Fixed temperature sensors detection in Linux (#905)
+- [disk] `GetDiskSerialNumber()` is now `SerialNumber()` and spread to all platform
+- [disk] `GetLabel ()` is now `Label()` and spread to all platform
+- [net] Change net.InterfaceStat.Addrs to InterfaceAddrList (#226)