diff --git a/toolkit/components/telemetry/Histograms.json b/toolkit/components/telemetry/Histograms.json
index 01f63a4a4a83..a770da0a987c 100644
--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -725,7 +725,7 @@
   },
   "GC_PREPARE_MS": {
     "record_in_processes": ["main", "content"],
-    "products": ["firefox"],
+    "products": ["firefox", "geckoview_streaming"],
     "alert_emails": ["dev-telemetry-gc-alerts@mozilla.org", "jcoppeard@mozilla.com"],
     "expires_in_version": "never",
     "releaseChannelCollection": "opt-out",
@@ -747,7 +747,7 @@
   },
   "GC_SWEEP_MS": {
     "record_in_processes": ["main", "content"],
-    "products": ["firefox", "fennec", "geckoview"],
+    "products": ["firefox", "fennec", "geckoview", "geckoview_streaming"],
     "alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
     "expires_in_version": "never",
     "kind": "exponential",
@@ -757,7 +757,7 @@
   },
   "GC_COMPACT_MS": {
     "record_in_processes": ["main", "content"],
-    "products": ["firefox", "fennec", "geckoview"],
+    "products": ["firefox", "fennec", "geckoview", "geckoview_streaming"],
     "alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
     "expires_in_version": "never",
     "kind": "exponential",
@@ -767,7 +767,7 @@
   },
   "GC_MARK_ROOTS_MS": {
     "record_in_processes": ["main", "content"],
-    "products": ["firefox", "fennec", "geckoview"],
+    "products": ["firefox", "fennec", "geckoview", "geckoview_streaming"],
     "alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
     "expires_in_version": "81",
     "kind": "linear",
@@ -777,7 +777,7 @@
   },
   "GC_MARK_ROOTS_US": {
     "record_in_processes": ["main", "content"],
-    "products": ["firefox"],
+    "products": ["firefox", "geckoview_streaming"],
     "alert_emails": ["dev-telemetry-gc-alerts@mozilla.org", "jcoppeard@mozilla.com"],
     "expires_in_version": "never",
     "releaseChannelCollection": "opt-out",
@@ -823,7 +823,7 @@
   },
   "GC_SLICE_MS": {
     "record_in_processes": ["main", "content"],
-    "products": ["firefox", "fennec", "geckoview"],
+    "products": ["firefox", "fennec", "geckoview", "geckoview_streaming"],
     "alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
     "expires_in_version": "never",
     "kind": "exponential",
@@ -916,7 +916,7 @@
   },
   "GC_MINOR_US": {
     "record_in_processes": ["main", "content"],
-    "products": ["firefox", "fennec", "geckoview"],
+    "products": ["firefox", "fennec", "geckoview", "geckoview_streaming"],
     "alert_emails": ["dev-telemetry-gc-alerts@mozilla.org"],
     "expires_in_version": "never",
     "kind": "exponential",
diff --git a/toolkit/components/telemetry/geckoview/streaming/metrics.yaml b/toolkit/components/telemetry/geckoview/streaming/metrics.yaml
index cd9f11ba9652..3e4bf9b06543 100644
--- a/toolkit/components/telemetry/geckoview/streaming/metrics.yaml
+++ b/toolkit/components/telemetry/geckoview/streaming/metrics.yaml
@@ -1102,7 +1102,7 @@ javascript.gc:
     time_unit: millisecond
     gecko_datapoint: GC_MS
     description: >
-      The total time taken by a collection.
+      The total time taken by a major collection.
     bugs:
       - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
     data_reviews:
@@ -1111,3 +1111,108 @@ javascript.gc:
       - dev-telemetry-gc-alerts@mozilla.org
       - jcoppeard@mozilla.com
     expires: never
+
+  minor_time:
+    type: timing_distribution
+    time_unit: millisecond
+    gecko_datapoint: GC_MINOR_US
+    description: >
+      The time taked by a minor (nursery) collection.
+    bugs:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+    data_reviews:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+    notification_emails:
+      - dev-telemetry-gc-alerts@mozilla.org
+      - jcoppeard@mozilla.com
+    expires: never
+
+  prepare_time:
+    type: timing_distribution
+    time_unit: millisecond
+    gecko_datapoint: GC_PREPARE_MS
+    description: >
+      The time spent in the preparation phase.
+    bugs:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+    data_reviews:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+    notification_emails:
+      - dev-telemetry-gc-alerts@mozilla.org
+      - jcoppeard@mozilla.com
+    expires: never
+
+  mark_roots_time:
+    type: timing_distribution
+    time_unit: microsecond
+    gecko_datapoint: GC_MARK_ROOTS_US
+    description: >
+      The time spent marking GC roots.
+    bugs:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+    data_reviews:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+    notification_emails:
+      - dev-telemetry-gc-alerts@mozilla.org
+      - jcoppeard@mozilla.com
+    expires: never
+
+  mark_time:
+    type: timing_distribution
+    time_unit: millisecond
+    gecko_datapoint: GC_MARK_MS
+    description: >
+      The time spent in the mark phase.
+    bugs:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+    data_reviews:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+    notification_emails:
+      - dev-telemetry-gc-alerts@mozilla.org
+      - jcoppeard@mozilla.com
+    expires: never
+
+  sweep_time:
+    type: timing_distribution
+    time_unit: millisecond
+    gecko_datapoint: GC_SWEEP_MS
+    description: >
+      The time spent in the sweep phase.
+    bugs:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+    data_reviews:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+    notification_emails:
+      - dev-telemetry-gc-alerts@mozilla.org
+      - jcoppeard@mozilla.com
+    expires: never
+
+  compact_time:
+    type: timing_distribution
+    time_unit: millisecond
+    gecko_datapoint: GC_COMPACT_MS
+    description: >
+      The time spent in the compact phase.
+    bugs:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+    data_reviews:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+    notification_emails:
+      - dev-telemetry-gc-alerts@mozilla.org
+      - jcoppeard@mozilla.com
+    expires: never
+
+  slice_time:
+    type: timing_distribution
+    time_unit: millisecond
+    gecko_datapoint: GC_SLICE_MS
+    description: >
+      The time spent running a GC slice.
+    bugs:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419
+    data_reviews:
+      - https://bugzilla.mozilla.org/show_bug.cgi?id=1636419#c17
+    notification_emails:
+      - dev-telemetry-gc-alerts@mozilla.org
+      - jcoppeard@mozilla.com
+    expires: never