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Real-time reloading of lqosd tunables and queue check frequency

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Extends the bus to include a "reload lqosd" command that reloads
the tunables and queue frequency in real-time, without requiring
a bridge restart.
This commit is contained in:
Herbert Wolverson
2023-01-11 18:16:30 +00:00
parent 7b18ca4196
commit 7b0715756f
10 changed files with 144 additions and 69 deletions
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94
src/rust/lqos_node_manager/static/config.html
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@@ -58,9 +58,7 @@
<div class="col-sm-8 mx-auto" style="padding: 4px; margin-bottom: 4px;" id="controls">
<a href="#" class="btn btn-primary" id="btnSaveIspConfig"><i class="fa fa-save"></i> Save ispConfig.py</a>&nbsp;
<a href="#" class="btn btn-danger"><i class="fa fa-save"></i> Save /etc/lqos</a>&nbsp;
<a href="#" class="btn btn-primary"><i class="fa fa-refresh"></i> Reload LibreQoS</a>&nbsp;
<a href="#" class="btn btn-danger"><i class="fa fa-refresh"></i> (Re)Start lqosd</a>
</div>
<div class="d-flex align-items-start">
@@ -127,7 +125,12 @@
</td>
</tr>
<tr>
<td colspan="2"><h3>Bifrost XDP-Accelerated Bridge</h3></td>
<td colspan="2">
<h3>Bifrost XDP-Accelerated Bridge</h3>
<p class="alert alert-danger" role="alert">
You must configure XDP bridging by editing the `/etc/lqos` file on the server.
</p>
</td>
</tr>
<tr>
<td colspan="2" class="alert alert-warning" role="alert">
@@ -138,7 +141,7 @@
</tr>
<tr>
<td colspan="2">
<input class="form-check-input" type="checkbox" value="" id="useKernelBridge">
<input class="form-check-input" type="checkbox" value="" id="useKernelBridge" disabled="true">
<label class="form-check-label" for="useKernelBridge">
Enable Bifrost Acceleration
</label>
@@ -230,20 +233,6 @@
<div class="tab-pane fade" id="v-pills-server" role="tabpanel" aria-labelledby="v-pills-server-tab">
<h2><i class="fa fa-server"></i> Server Settings</h2>
<table class="table">
<tr>
<td colspan="2" class="alert-info" role="alert">
How frequently should the TC queues be polled? 30-50 is good for detailed analysis,
1000 is good for normal running.
</td>
</tr>
<tr>
<td>
Queue Check Frequency (ms)
</td>
<td>
<input type="number" min="10" max="1000" id="queuecheckms" />
</td>
</tr>
<tr>
<td colspan="2" class="alert-danger">
<i class="fa fa-warning"></i> Disabling actual shell commands stops LibreQoS from actually doing anything. Simulated
@@ -292,6 +281,22 @@
<p>These settings can drastically affect performance of your server, including rendering it non-functional.</p>
</td>
</tr>
<tr>
<td colspan="2" class="alert-info" role="alert">
How frequently should the TC queues be polled? 30-50 is good for detailed analysis,
1000 is good for normal running. If you select a value slower than the time currently taken
to access queue information, queue analysis will no longer display data on a consistent
time-step. Values less than 20ms are not recommended.
</td>
</tr>
<tr>
<td>
Queue Check Frequency (ms)
</td>
<td>
<input type="number" min="10" max="1000" id="queuecheckms" />
</td>
</tr>
<tr><td colspan="2">IRQ Balancing should generally be disabled.</td></tr>
<tr>
<td colspan="2">
@@ -345,6 +350,12 @@
<td><input type="text" id="disableOffloadList" /></td>
</tr>
</table>
<p class="alert alert-info" role="alert">
At this time, you can only apply these settings to the current running instance. Edit <em>/etc/lqos</em> to
apply changes permanently. Applying tuning settings will not restart your XDP bridge.
</p>
<a class="btn btn-secondary" id="btnApplyTuning">Apply Tuning Settings</a>
</div>
<div class="tab-pane fade" id="v-pills-spylnx" role="tabpanel" aria-labelledby="v-pills-spylnx-tab">
Spylnx Settings
@@ -440,13 +451,13 @@
html += "<tbody>";
for (let i=0; i<lqosd_config.bridge.interface_mapping.length; i++) {
html += "<tr>";
html += "<td>" + buildNICList('bfIn_' + i, lqosd_config.bridge.interface_mapping[i].name) + "</td>";
html += "<td>" + buildNICList('bfOut_' + i, lqosd_config.bridge.interface_mapping[i].redirect_to) + "</td>";
html += "<td>" + buildNICList('bfIn_' + i, lqosd_config.bridge.interface_mapping[i].name, true) + "</td>";
html += "<td>" + buildNICList('bfOut_' + i, lqosd_config.bridge.interface_mapping[i].redirect_to, true) + "</td>";
html += "<td><input type='checkbox' class='form-check-input' id='bfScanVLAN_" + i + "'";
if (lqosd_config.bridge.interface_mapping[i].scan_vlans) {
html += ' checked';
}
html += "/></td>";
html += " disabled='true' /></td>";
html += "</tr>";
}
html += "</tbody></table>";
@@ -459,9 +470,9 @@
html += "<tbody>";
for (let i=0; i<lqosd_config.bridge.vlan_mapping.length; i++) {
html += "<tr>";
html += "<td>" + buildNICList('bfvlanif_' + i, lqosd_config.bridge.vlan_mapping[i].parent) + "</td>";
html += "<td><input id='bfvlantag_" + i + "' type='number' min='0' max='4094' value='" + lqosd_config.bridge.vlan_mapping[i].tag + "' /></td>";
html += "<td><input id='bfvlanout_" + i + "' type='number' min='0' max='4094' value='" + lqosd_config.bridge.vlan_mapping[i].redirect_to + "' /></td>";
html += "<td>" + buildNICList('bfvlanif_' + i, lqosd_config.bridge.vlan_mapping[i].parent, true) + "</td>";
html += "<td><input id='bfvlantag_" + i + "' type='number' min='0' max='4094' value='" + lqosd_config.bridge.vlan_mapping[i].tag + "' disabled='true' /></td>";
html += "<td><input id='bfvlanout_" + i + "' type='number' min='0' max='4094' value='" + lqosd_config.bridge.vlan_mapping[i].redirect_to + "' disabled='true' /></td>";
html += "</tr>";
}
html += "</tbody></table>";
@@ -494,6 +505,7 @@
// User management
if (is_admin) {
userManager();
tuning();
}
});
});
@@ -506,6 +518,34 @@
$("#userManager").html(html);
}
function tuning() {
$("#btnApplyTuning").on('click', () => {
let period = Number($("#queuecheckms").val());
let new_config = {
stop_irq_balance: $("#stopIrqBalance").prop('checked'),
netdev_budget_usecs: Number($("#netDevUsec").val()),
netdev_budget_packets: Number($("#netDevPackets").val()),
rx_usecs: Number($("#rxUsecs").val()),
tx_usecs: Number($("#txUsecs").val()),
disable_rxvlan: $("#disableRxVlan").prop('checked'),
disable_txvlan: $("#disableTxVlan").prop('checked'),
disable_offload: $("#disableOffloadList").val().split(' ')
};
$.ajax({
type: "POST",
url: "/api/lqos_tuning/" + period,
data: JSON.stringify(new_config),
success: (data) => {
if (data == "ERROR") {
alert("Unable to apply settings.")
} else {
alert("Settings Applied");
}
}
})
});
}
function fillNicList(id, selected) {
let select = $("#" + id);
let html = "";
@@ -520,8 +560,10 @@
select.html(html);
}
function buildNICList(id, selected) {
let html = "<select id='" + id + "'>";
function buildNICList(id, selected, disabled=false) {
let html = "<select id='" + id + "'";
if (disabled) html += " disabled='true' ";
html += ">";
for (i=0; i<nics.length; i++) {
html += "<option value=\"";
html += nics[i][0] + "\"";