From 468ad9f792e648f65321e42f227cead231d4cda9 Mon Sep 17 00:00:00 2001
From: Puran Lyu <pl2355@nyu.edu>
Date: Fri, 29 Dec 2023 18:03:15 -0500
Subject: luci-app-irqbalance: add new package Add LuCI interface for
 irqbalance package

Signed-off-by: Puran Lyu <pl2355@nyu.edu>
---
 .../luci-static/resources/view/irqbalance.js       | 116 +++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 applications/luci-app-irqbalance/htdocs/luci-static/resources/view/irqbalance.js

(limited to 'applications/luci-app-irqbalance/htdocs')

diff --git a/applications/luci-app-irqbalance/htdocs/luci-static/resources/view/irqbalance.js b/applications/luci-app-irqbalance/htdocs/luci-static/resources/view/irqbalance.js
new file mode 100644
index 0000000000..280b6f19c7
--- /dev/null
+++ b/applications/luci-app-irqbalance/htdocs/luci-static/resources/view/irqbalance.js
@@ -0,0 +1,116 @@
+'use strict';
+'require view';
+'require fs';
+'require form';
+'require ui';
+'require rpc';
+
+const callServiceList = rpc.declare({
+    object: 'service',
+    method: 'list',
+    params: ['name'],
+    expect: { '': {} },
+});
+
+function getServiceStatus() {
+    return L.resolveDefault(callServiceList('irqbalance'), {}).then(function (res) {
+        try {
+            return res['irqbalance']['instances']['irqbalance']['running'];
+        } catch (e) {
+            return false;
+        }
+    });
+}
+
+function renderStatus(isRunning) {
+    const spanTemp = '<span style="color:%s"><strong>%s</strong></span>';
+
+    return isRunning
+        ? String.format(spanTemp, 'green', _('RUNNING'))
+        : String.format(spanTemp, 'red', _('NOT RUNNING'));
+}
+
+return view.extend({
+    load() {
+        return L.resolveDefault(fs.read_direct('/proc/interrupts'));
+    },
+
+    render(data) {
+        const cpuNum = data.match(/\bCPU\d+\b/g).map(i => i.slice(3)), // cpuNum = data.match(/(?<=\bCPU)\d+\b/g), // Safari did not support RegExp lookbehind assertion before version 16.4.
+            irqNum = data.match(/\b\d+(?=: )/g);
+        let m, s, o;
+
+        m = new form.Map('irqbalance', _('irqbalance'), _('The purpose of irqbalance is to distribute hardware interrupts across processors/cores on a multiprocessor/multicore system in order to increase performance.'));
+
+        s = m.section(form.NamedSection);
+        s.anonymous = true;
+        s.render = function () {
+            L.Poll.add(function () {
+                return L.resolveDefault(getServiceStatus()).then(function (res) {
+                    const view = document.getElementById('status');
+                    view.innerHTML = renderStatus(res);
+                });
+            });
+
+            return E('div', { class: 'cbi-section' }, [
+                E('p', { id: 'status' }, _('Loading...'))
+            ]);
+        }
+
+        s = m.section(form.TypedSection, 'irqbalance', _('Snapshot of current IRQs'));
+        s.anonymous = true;
+
+        s = m.section(form.NamedSection);
+        s.anonymous = true;
+        s.render = function () {
+            const snapshot = new ui.Textarea(data.slice(0, -1), {
+                readonly: true,
+                placeholder: _('Loading...'),
+                monospace: true,
+                rows: data.split('\n').length - 1,
+            });
+            return snapshot.render();
+        }
+
+        s = m.section(form.TypedSection, 'irqbalance', _('General settings'));
+        s.anonymous = true;
+
+        o = s.option(form.Flag, 'enabled', _('Enable'));
+        o.default = '0';
+        o.rmempty = false;
+
+        o = s.option(form.Value, 'deepestcache', _('Deepest cache'), _('Cache level at which irqbalance partitions cache domains.'));
+        o.placeholder = '2';
+        o.datatype = 'uinteger';
+        o.optional = true;
+
+        o = s.option(form.Value, 'interval', _('Interval'), _('Value in seconds.'));
+        o.placeholder = '10';
+        o.datatype = 'uinteger';
+        o.optional = true;
+
+        o = s.option(form.Value, 'banned_cpulist', _('Exclude CPUs'), _('List of CPUs to ignore, can be an integer or integers separated by commas.') + '<br />' + _('Valid values: %s.').format(cpuNum.join(', ')));
+        o.placeholder = '0';
+        o.optional = true;
+        o.validate = function (section_id, value) {
+            for (const i of value.split(',')) {
+                if (!cpuNum.includes(i) && i != '') {
+                    return _('Invalid');
+                }
+            }
+            return true;
+        }
+
+        o = s.option(form.DynamicList, 'banirq', _('Exclude IRQs'), _('List of IRQs to ignore.') + '<br />' + _('Valid values: %s.').format(irqNum.join(', ')));
+        o.placeholder = '36';
+        o.datatype = 'uinteger';
+        o.optional = true;
+        o.validate = function (section_id, value) {
+            return !irqNum.includes(value) && value != ''
+                ? _('Invalid')
+                : true;
+        }
+
+        return m.render();
+    }
+});
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