Bug 1741190 - Add a profiler preset for necko r=necko-reviewers,kpatenio,dragana,julienw

Differential Revision: https://phabricator.services.mozilla.com/D132380

browser/locales/en-US/browser/appmenu.ftl

@@ -215,6 +215,10 @@ profiler-popup-presets-media-description2 = Preset for investigating audio and v
 profiler-popup-presets-media-label =
   .label = Media
 
+profiler-popup-presets-networking-description = Preset for investigating networking bugs in { -brand-shorter-name }.
+profiler-popup-presets-networking-label =
+  .label = Networking
+
 profiler-popup-presets-custom-label =
   .label = Custom
 

devtools/client/locales/en-US/perftools.ftl

@@ -137,6 +137,9 @@ perftools-presets-graphics-description = Preset for investigating graphics bugs
 perftools-presets-media-label = Media
 perftools-presets-media-description2 = Preset for investigating audio and video bugs in { -brand-shorter-name }.
 
+perftools-presets-networking-label = Networking
+perftools-presets-networking-description = Preset for investigating networking bugs in { -brand-shorter-name }.
+
 perftools-presets-custom-label = Custom
 
 ##

devtools/client/performance-new/popup/background.jsm.js

@@ -219,6 +219,33 @@ const presets = {
       },
     },
   },
+  networking: {
+    entries: 128 * 1024 * 1024,
+    interval: 1,
+    features: ["screenshots", "js", "leaf", "stackwalk", "cpu", "java"],
+    threads: [
+      "Compositor",
+      "DNS Resolver",
+      "DOM Worker",
+      "GeckoMain",
+      "Renderer",
+      "Socket Thread",
+      "StreamTrans",
+      "SwComposite",
+      "TRR Background",
+    ],
+    duration: 0,
+    l10nIds: {
+      popup: {
+        label: "profiler-popup-presets-networking-label",
+        description: "profiler-popup-presets-networking-description",
+      },
+      devtools: {
+        label: "perftools-presets-networking-label",
+        description: "perftools-presets-networking-description",
+      },
+    },
+  },
 };
 
 /**

netwerk/docs/submitting_networking_bugs.md

@@ -78,7 +78,7 @@ At the end you will be presented with a regression range that includes the commi
 If you're seeing a performance issue (site is very slow to load, etc) you should consider submitting a performance profile.
 
 - Activate the profiler at: [https://profiler.firefox.com/](https://profiler.firefox.com/)
-- Use the `Firefox platform` preset and click `Start Recording`.
+- Use the `Networking` preset and click `Start Recording`.
 
 ## Crashes