Add new metrics category: cpu extended

Author: yngvar-antonsson

CHANGELOG.md

@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+- New metrics category in config: ``cpu_extended``.
+
 ### Fixed
 - Use box.info.ro instead of box.cfg.read_only in replication metrics.
 

metrics/tarantool.lua

@@ -5,6 +5,7 @@ local utils = require('metrics.utils')
 local const = require('metrics.const')
 
 local default_metrics = {
+    -- category         = {update: function, list: table},
     network             = require('metrics.tarantool.network'),
     operations          = require('metrics.tarantool.operations'),
     system              = require('metrics.tarantool.system'),
@@ -24,6 +25,7 @@ local default_metrics = {
     clock               = require('metrics.tarantool.clock'),
     event_loop          = require('metrics.tarantool.event_loop'),
     config              = require('metrics.tarantool.config'),
+    cpu_extended        = require('metrics.psutils.cpu'),
 }
 
 local all_metrics_map = {}

test/cfg_test.lua

@@ -127,38 +127,54 @@ group.test_table_is_immutable = function(g)
     end)
 end
 
-group.test_include = function(g)
-    g.server:exec(function()
-        local metrics = require('metrics')
-        local utils = require('test.utils') -- luacheck: ignore 431
-
-        metrics.cfg{
-            include = {'info'},
-        }
-
-        local default_metrics = metrics.collect{invoke_callbacks = true}
-        local uptime = utils.find_metric('tnt_info_uptime', default_metrics)
-        t.assert_not_equals(uptime, nil)
-        local memlua = utils.find_metric('tnt_info_memory_lua', default_metrics)
-        t.assert_equals(memlua, nil)
-    end)
-end
-
-group.test_exclude = function(g)
-    g.server:exec(function()
-        local metrics = require('metrics')
-        local utils = require('test.utils') -- luacheck: ignore 431
-
-        metrics.cfg{
-            exclude = {'memory'},
-        }
-
-        local default_metrics = metrics.collect{invoke_callbacks = true}
-        local uptime = utils.find_metric('tnt_info_uptime', default_metrics)
-        t.assert_not_equals(uptime, nil)
-        local memlua = utils.find_metric('tnt_info_memory_lua', default_metrics)
-        t.assert_equals(memlua, nil)
-    end)
+local matrix = {
+    -- {category: string, includes: string, excludes: string, linux_only: boolean}
+    {'info', 'tnt_info_uptime', 'tnt_info_memory_lua'},
+    {'cpu_extended', 'tnt_cpu_thread', 'tnt_info_memory_lua', true},
+    {'network', 'tnt_net_sent_total', 'tnt_info_memory_lua'},
+    {'operations', 'tnt_stats_op_total', 'tnt_info_memory_lua'},
+    {'system', 'tnt_cfg_current_time', 'tnt_info_memory_lua'},
+    {'replicas', 'tnt_replication_lsn', 'tnt_info_memory_lua'},
+    -- TODO: add more caterories
+}
+
+for _, row in ipairs(matrix) do
+    local m_category, m_include, m_exclude, m_linux_only = unpack(row)
+
+    group[('test_include_%s'):format(m_category)] = function(g)
+        g.server:exec(function(category, include, exclude, linux_only)
+            t.skip_if(linux_only and jit.os ~= 'Linux', 'Linux is the only supported platform')
+            local metrics = require('metrics')
+            local utils = require('test.utils') -- luacheck: ignore 431
+
+            metrics.cfg{
+                include = {category},
+            }
+
+            local default_metrics = metrics.collect{invoke_callbacks = true}
+            local included = utils.find_metric(include, default_metrics)
+            t.assert_not_equals(included, nil)
+            local excluded = utils.find_metric(exclude, default_metrics)
+            t.assert_equals(excluded, nil)
+        end, {m_category, m_include, m_exclude, m_linux_only})
+    end
+    group[('test_exclude_%s'):format(m_category)] = function(g)
+        g.server:exec(function(category, include, exclude, linux_only)
+            t.skip_if(linux_only and jit.os ~= 'Linux', 'Linux is the only supported platform')
+            local metrics = require('metrics')
+            local utils = require('test.utils') -- luacheck: ignore 431
+
+            metrics.cfg{
+                exclude = {category},
+            }
+
+            local default_metrics = metrics.collect{invoke_callbacks = true}
+            local uptime = utils.find_metric(exclude, default_metrics)
+            t.assert_not_equals(uptime, nil)
+            local memlua = utils.find_metric(include, default_metrics)
+            t.assert_equals(memlua, nil)
+        end, {m_category, m_include, m_exclude, m_linux_only})
+    end
 end
 
 group.test_include_with_exclude = function(g)