#10 memory, cpu and network interfaces support

(based on shellout - but no boot time or disks)

Author: Vincent Landgraf

lib/vmstat.rb

@@ -101,4 +101,7 @@ def self.loopback_devices
 elsif RUBY_PLATFORM =~ /(net|open)bsd/
   # command based implementation of mem, net, cpu
   require "vmstat/netopenbsd"
+elsif RUBY_PLATFORM =~ /solaris|smartos/
+  # command based implementation of mem, net, cpu
+  require "vmstat/solaris"
 end

lib/vmstat/solaris.rb

@@ -0,0 +1,58 @@
+module Vmstat
+  def self.cpu
+    mpstat = `mpstat 1 1`.lines
+    mpstat.shift # ignore header
+    mpstat.map do |line|
+      num, *rest, user, sys, _, idle = line.strip.split(/\s+/)
+      Cpu.new(num.to_i, user.to_i, sys.to_i, 0, idle.to_i]
+    end
+  end
+  
+  def self.memory
+    memstat = `echo ::memstat | mdb -k`
+    vmstat = `vmstat -s`
+
+    Memory.new(
+      `pagesize`.to_i, # pagesize
+      # wired
+      extract_solaris_mval(memstat, 'Kernel', 'Boot pages', 'ZFS File Data'),
+      # active
+      extract_solaris_mval(memstat, 'Exec and libs'),
+      # inactive
+      extract_solaris_mval(memstat, 'Page cache', 'Anon'),
+      # free
+      extract_solaris_mval(memstat, 'Free \(cachelist\)', 'Free \(freelist\)'), 
+      extract_solaris_val(vmstat, 'page ins'), # pageins
+      extract_solaris_val(vmstat, 'page outs') # pageouts
+    )
+  end
+
+  def self.network_interfaces
+    dlstat = `dlstat -u R` 
+    dlstat.shift # ignore header
+    dlstat.map do |line|
+      # LINK    IPKTS   RBYTES    OPKTS   OBYTES
+      link, ipkts, rbytes, opkts, obytes = line.strip.split(/\s+/)
+      NetworkInterface.new(link, rbytes, 0, 0, obytes, 0, 
+        NetworkInterface::ETHERNET_TYPE)
+    end    
+  end
+
+  def self.extract_solaris_val(uvmexp, name)
+    regexp = Regexp.new('(\d+)\s' + name)
+    uvmexp.lines.grep(regexp) do |line|
+      return $1.to_i
+    end
+  end
+  
+  def self.extract_solaris_mval(memstat, *names)
+    val = 0 
+    names.each do |name|
+      regexp = Regexp.new(name + '\s+(\d+)')
+      memstat.grep(regexp) do |line|
+        val += $1.to_i
+      end
+    end
+    val
+  end
+end