luci-app-statistics: processes plugin: add labels, correct data

Enhance processes statistics page:
* add proper labels to graphs
* correct RSS memory stats title, add VSZ stats

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
(cherry picked from commit b737831e56854f55fedbc6a6394d385ee0aef6e3)

diff --git a/applications/luci-app-statistics/luasrc/statistics/rrdtool/definitions/processes.lua b/applications/luci-app-statistics/luasrc/statistics/rrdtool/definitions/processes.lua
index d48441abd22a85e88931b5c6db9b4bb3737850d7..323c3c2308ac02e8f41a269e4def25649493f724 100644 (file)
--- a/applications/luci-app-statistics/luasrc/statistics/rrdtool/definitions/processes.lua
+++ b/applications/luci-app-statistics/luasrc/statistics/rrdtool/definitions/processes.lua
@@ -12,17 +12,18 @@ function rrdargs( graph, plugin, plugin_instance, dtype )
                        data = {
                                instances = {
                                        ps_state = {
-                                               "sleeping", "running", "paging", "blocked", "stopped", "zombies"
+                                               "sleeping", "running", "paging",
+                                               "blocked", "stopped", "zombies"
                                        }
                                },
 
                                options = {
-                                       ps_state_sleeping = { color = "0000ff" },
-                                       ps_state_running  = { color = "008000" },
-                                       ps_state_paging   = { color = "ffff00" },
-                                       ps_state_blocked  = { color = "ff5000" },
-                                       ps_state_stopped  = { color = "555555" },
-                                       ps_state_zombies  = { color = "ff0000" }
+                                       ps_state_sleeping = { color = "0000ff", title = "Sleeping" },
+                                       ps_state_running  = { color = "008000", title = "Running" },
+                                       ps_state_paging   = { color = "ffff00", title = "Paging" },
+                                       ps_state_blocked  = { color = "ff5000", title = "Blocked" },
+                                       ps_state_stopped  = { color = "555555", title = "Stopped" },
+                                       ps_state_zombies  = { color = "ff0000", title = "Zombies" }
                                }
                        }
                },
@@ -38,11 +39,13 @@ function rrdargs( graph, plugin, plugin_instance, dtype )
                                options = {
                                        ps_cputime__user = {
                                                color   = "0000ff",
+                                               title   = "User",
                                                overlay = true
                                        },
 
                                        ps_cputime__syst = {
                                                color   = "ff0000",
+                                               title   = "System",
                                                overlay = true
                                        }
                                }
@@ -59,15 +62,15 @@ function rrdargs( graph, plugin, plugin_instance, dtype )
                                },
 
                                options = {
-                                       ps_count__threads   = { color = "00ff00" },
-                                       ps_count__processes = { color = "0000bb" }
+                                       ps_count__threads   = { color = "00ff00", title = "Threads" },
+                                       ps_count__processes = { color = "0000bb", title = "Processes" }
                                }
                        }
                },
 
                {
                        title = "%H: Page faults in %pi",
-                       vlabel = "Pagefaults",
+                       vlabel = "Page faults",
                        detail = true,
                        data = {
                                sources = {
@@ -75,14 +78,14 @@ function rrdargs( graph, plugin, plugin_instance, dtype )
                                },
 
                                options = {
-                                       ps_pagefaults__minflt = { color = "ff0000" },
-                                       ps_pagefaults__majflt = { color = "ff5500" }
+                                       ps_pagefaults__minflt = { color = "0000ff", title = "Minor" },
+                                       ps_pagefaults__majflt = { color = "ff0000", title = "Major" }
                                }
                        }
                },
 
                {
-                       title = "%H: Virtual memory size of %pi",
+                       title = "%H: Resident segment size (RSS) of %pi",
                        vlabel = "Bytes",
                        detail = true,
                        number_format = "%5.1lf%sB",
@@ -90,7 +93,21 @@ function rrdargs( graph, plugin, plugin_instance, dtype )
                                types = { "ps_rss" },
 
                                options = {
-                                       ps_rss = { color = "0000ff" }
+                                       ps_rss = { color = "0000ff", title = "Resident segment" }
+                               }
+                       }
+               },
+
+               {
+                       title = "%H: Virtual memory size (VSZ) of %pi",
+                       vlabel = "Bytes",
+                       detail = true,
+                       number_format = "%5.1lf%sB",
+                       data = {
+                               types = { "ps_vm" },
+
+                               options = {
+                                       ps_vm = { color = "0000ff", title = "Virtual memory" }
                                }
                        }
                }