diff --git a/taskcluster/taskgraph/decision.py b/taskcluster/taskgraph/decision.py
index 4f1d3c37dc74..e79db912e7a1 100644
--- a/taskcluster/taskgraph/decision.py
+++ b/taskcluster/taskgraph/decision.py
@@ -119,6 +119,10 @@ try_task_config_schema = Schema(
         Optional("disable-pgo"): bool,
         Optional("env"): {text_type: text_type},
         Optional("gecko-profile"): bool,
+        Optional("gecko-profile-interval"): float,
+        Optional("gecko-profile-entries"): int,
+        Optional("gecko-profile-features"): text_type,
+        Optional("gecko-profile-threads"): text_type,
         Optional(
             "perftest-options",
             description="Options passed from `mach perftest` to try.",
diff --git a/taskcluster/taskgraph/transforms/tests.py b/taskcluster/taskgraph/transforms/tests.py
index 1ac60d23fbed..0fe2996b448c 100644
--- a/taskcluster/taskgraph/transforms/tests.py
+++ b/taskcluster/taskgraph/transforms/tests.py
@@ -1715,11 +1715,23 @@ def set_retry_exit_status(config, tasks):
 @transforms.add
 def set_profile(config, tasks):
     """Set profiling mode for tests."""
-    profile = config.params["try_task_config"].get("gecko-profile", False)
+    ttconfig = config.params["try_task_config"]
+    profile = ttconfig.get("gecko-profile", False)
+    settings = (
+        "gecko-profile-interval",
+        "gecko-profile-entries",
+        "gecko-profile-threads",
+        "gecko-profile-features",
+    )
 
     for task in tasks:
         if profile and task["suite"] in ["talos", "raptor"]:
-            task["mozharness"]["extra-options"].append("--gecko-profile")
+            extras = task["mozharness"]["extra-options"]
+            extras.append("--gecko-profile")
+            for setting in settings:
+                value = ttconfig.get(setting)
+                if value is not None:
+                    extras.append("--" + setting + "=" + str(value))
         yield task
 
 
diff --git a/testing/mozharness/mozharness/mozilla/testing/raptor.py b/testing/mozharness/mozharness/mozilla/testing/raptor.py
index d1025eeb7a45..708a6adff408 100644
--- a/testing/mozharness/mozharness/mozilla/testing/raptor.py
+++ b/testing/mozharness/mozharness/mozilla/testing/raptor.py
@@ -258,6 +258,14 @@ class Raptor(
                     "help": argparse.SUPPRESS,
                 },
             ],
+            [
+                ["--geckoProfileFeatures"],
+                {
+                    "dest": "gecko_profile_features",
+                    "type": "str",
+                    "help": argparse.SUPPRESS,
+                },
+            ],
             [
                 ["--gecko-profile"],
                 {
@@ -283,6 +291,22 @@ class Raptor(
                     "help": "How many samples to take with the profiler.",
                 },
             ],
+            [
+                ["--gecko-profile-threads"],
+                {
+                    "dest": "gecko_profile_threads",
+                    "type": "str",
+                    "help": "Comma-separated list of threads to sample.",
+                },
+            ],
+            [
+                ["--gecko-profile-features"],
+                {
+                    "dest": "gecko_profile_features",
+                    "type": "str",
+                    "help": "Features to enable in the profiler.",
+                },
+            ],
             [
                 ["--page-cycles"],
                 {
@@ -587,6 +611,8 @@ class Raptor(
         ) or "--geckoProfile" in self.config.get("raptor_cmd_line_args", [])
         self.gecko_profile_interval = self.config.get("gecko_profile_interval")
         self.gecko_profile_entries = self.config.get("gecko_profile_entries")
+        self.gecko_profile_threads = self.config.get("gecko_profile_threads")
+        self.gecko_profile_features = self.config.get("gecko_profile_features")
         self.test_packages_url = self.config.get("test_packages_url")
         self.test_url_params = self.config.get("test_url_params")
         self.host = self.config.get("host")
@@ -631,14 +657,22 @@ class Raptor(
         gecko_results = []
         # If gecko_profile is set, we add that to Raptor's options
         if self.gecko_profile:
-            gecko_results.append("--geckoProfile")
+            gecko_results.append("--gecko-profile")
             if self.gecko_profile_interval:
                 gecko_results.extend(
-                    ["--geckoProfileInterval", str(self.gecko_profile_interval)]
+                    ["--gecko-profile-interval", str(self.gecko_profile_interval)]
                 )
             if self.gecko_profile_entries:
                 gecko_results.extend(
-                    ["--geckoProfileEntries", str(self.gecko_profile_entries)]
+                    ["--gecko-profile-entries", str(self.gecko_profile_entries)]
+                )
+            if self.gecko_profile_features:
+                gecko_results.extend(
+                    ["--gecko-profile-features", self.gecko_profile_features]
+                )
+            if self.gecko_profile_threads:
+                gecko_results.extend(
+                    ["--gecko-profile-threads", self.gecko_profile_threads]
                 )
         return gecko_results
 
diff --git a/testing/mozharness/mozharness/mozilla/testing/talos.py b/testing/mozharness/mozharness/mozilla/testing/talos.py
index 88281a5fd81a..ea5414c61c8c 100755
--- a/testing/mozharness/mozharness/mozilla/testing/talos.py
+++ b/testing/mozharness/mozharness/mozilla/testing/talos.py
@@ -60,6 +60,13 @@ TalosErrorList = PythonErrorList + [
     },
 ]
 
+GeckoProfilerSettings = (
+    "gecko_profile_interval",
+    "gecko_profile_entries",
+    "gecko_profile_features",
+    "gecko_profile_threads",
+)
+
 # TODO: check for running processes on script invocation
 
 
@@ -167,6 +174,31 @@ class Talos(
                     "help": "The interval between samples taken by the profiler (milliseconds)",
                 },
             ],
+            [
+                ["--gecko-profile-entries"],
+                {
+                    "dest": "gecko_profile_entries",
+                    "type": "int",
+                    "help": "How many samples to take with the profiler",
+                },
+            ],
+            [
+                ["--gecko-profile-features"],
+                {
+                    "dest": "gecko_profile_features",
+                    "type": "str",
+                    "default": None,
+                    "help": "The features to enable in the profiler (comma-separated)",
+                },
+            ],
+            [
+                ["--gecko-profile-threads"],
+                {
+                    "dest": "gecko_profile_threads",
+                    "type": "str",
+                    "help": "Comma-separated list of threads to sample.",
+                },
+            ],
             [
                 ["--disable-e10s"],
                 {
@@ -246,10 +278,22 @@ class Talos(
         self.repo_path = self.config.get("repo_path")
         self.obj_path = self.config.get("obj_path")
         self.tests = None
-        self.gecko_profile = self.config.get(
-            "gecko_profile"
-        ) or "--gecko-profile" in self.config.get("talos_extra_options", [])
-        self.gecko_profile_interval = self.config.get("gecko_profile_interval")
+        extra_opts = self.config.get("talos_extra_options", [])
+        self.gecko_profile = (
+            self.config.get("gecko_profile") or "--gecko-profile" in extra_opts
+        )
+        for setting in GeckoProfilerSettings:
+            value = self.config.get(setting)
+            arg = "--" + setting.replace("_", "-")
+            if value is None:
+                try:
+                    value = extra_opts[extra_opts.index(arg) + 1]
+                except ValueError:
+                    pass  # Not found
+            setattr(self, setting, value)
+            if not self.gecko_profile:
+                self.warning("enabling Gecko profiler for %s setting" % setting)
+                self.gecko_profile = True
         self.pagesets_name = None
         self.benchmark_zip = None
         self.webextensions_zip = None
@@ -263,10 +307,11 @@ class Talos(
         # finally, if gecko_profile is set, we add that to the talos options
         if self.gecko_profile:
             gecko_results.append("--gecko-profile")
-            if self.gecko_profile_interval:
-                gecko_results.extend(
-                    ["--gecko-profile-interval", str(self.gecko_profile_interval)]
-                )
+            for setting in GeckoProfilerSettings:
+                value = getattr(self, setting, None)
+                if value:
+                    arg = "--" + setting.replace("_", "-")
+                    gecko_results.extend([arg, str(value)])
         return gecko_results
 
     def query_abs_dirs(self):
diff --git a/testing/raptor/raptor/browsertime/base.py b/testing/raptor/raptor/browsertime/base.py
index 88c9bce4fb3f..6c6ab7a43005 100644
--- a/testing/raptor/raptor/browsertime/base.py
+++ b/testing/raptor/raptor/browsertime/base.py
@@ -308,20 +308,37 @@ class Browsertime(Perftest):
             ] = self.results_handler.result_dir_for_test(test)
             self._init_gecko_profiling(test)
             browsertime_options.append("--firefox.geckoProfiler")
-            browsertime_options.extend(
-                [
+            for option, browser_time_option, default in (
+                (
+                    "gecko_profile_features",
                     "--firefox.geckoProfilerParams.features",
                     "js,leaf,stackwalk,cpu,threads",
-                ]
-            )
-
-            for option, browser_time_option in (
-                ("gecko_profile_interval", "--firefox.geckoProfilerParams.interval"),
-                ("gecko_profile_entries", "--firefox.geckoProfilerParams.bufferSize"),
+                ),
+                (
+                    "gecko_profile_threads",
+                    "--firefox.geckoProfilerParams.threads",
+                    "GeckoMain,Compositor",
+                ),
+                (
+                    "gecko_profile_interval",
+                    "--firefox.geckoProfilerParams.interval",
+                    None,
+                ),
+                (
+                    "gecko_profile_entries",
+                    "--firefox.geckoProfilerParams.bufferSize",
+                    None,
+                ),
             ):
+                # 0 is a valid value. The setting may be present but set to None.
                 value = self.config.get(option)
                 if value is None:
                     value = test.get(option)
+                if value is None:
+                    value = default
+                if option == "gecko_profile_threads":
+                    extra = self.config.get("gecko_profile_extra_threads", [])
+                    value = ",".join(value.split(",") + extra)
                 if value is not None:
                     browsertime_options.extend([browser_time_option, str(value)])
 
diff --git a/testing/raptor/raptor/cmdline.py b/testing/raptor/raptor/cmdline.py
index 13aade4567ba..f33fda825852 100644
--- a/testing/raptor/raptor/cmdline.py
+++ b/testing/raptor/raptor/cmdline.py
@@ -199,10 +199,23 @@ def create_parser(mach_interface=False):
     )
     add_arg(
         "--gecko-profile-thread",
-        dest="gecko_profile_threads",
+        dest="gecko_profile_extra_threads",
+        default=[],
         action="append",
         help="Name of the extra thread to be profiled",
     )
+    add_arg(
+        "--gecko-profile-threads",
+        dest="gecko_profile_threads",
+        type=str,
+        help="Comma-separated list of all threads to sample",
+    )
+    add_arg(
+        "--gecko-profile-features",
+        dest="gecko_profile_features",
+        type=str,
+        help="What features to enable in the profiler",
+    )
     add_arg(
         "--symbolsPath",
         dest="symbols_path",
diff --git a/testing/raptor/raptor/manifest.py b/testing/raptor/raptor/manifest.py
index 63979c8ed9f7..7ffe3ae7c2bd 100644
--- a/testing/raptor/raptor/manifest.py
+++ b/testing/raptor/raptor/manifest.py
@@ -266,6 +266,10 @@ def write_test_settings_json(args, test_details, oskey):
             }
         )
 
+        features = test_details.get("gecko_profile_features")
+        if features:
+            test_settings["raptor-options"]["gecko_profile_features"] = features
+
     if test_details.get("newtab_per_cycle", None) is not None:
         test_settings["raptor-options"]["newtab_per_cycle"] = bool(
             test_details["newtab_per_cycle"]
@@ -396,17 +400,27 @@ def get_raptor_test_list(args, oskey):
                 threads = list(
                     filter(None, next_test.get("gecko_profile_threads", "").split(","))
                 )
-                threads.extend(args.gecko_profile_threads)
+                threads.extend(args.gecko_profile_threads.split(","))
+                if (
+                    "gecko_profile_extra_threads" in args
+                    and args.gecko_profile_extra_threads is not None
+                ):
+                    threads.extend(getattr(args, "gecko_profile_extra_threads", []))
                 next_test["gecko_profile_threads"] = ",".join(threads)
-                LOG.info(
-                    "gecko-profiling extra threads %s" % args.gecko_profile_threads
-                )
+                LOG.info("gecko-profiling threads %s" % args.gecko_profile_threads)
+            if (
+                "gecko_profile_features" in args
+                and args.gecko_profile_features is not None
+            ):
+                next_test["gecko_profile_features"] = args.gecko_profile_features
+                LOG.info("gecko-profiling features %s" % args.gecko_profile_features)
 
         else:
-            # if the gecko profiler is not enabled, ignore all of it's settings
+            # if the gecko profiler is not enabled, ignore all of its settings
             next_test.pop("gecko_profile_entries", None)
             next_test.pop("gecko_profile_interval", None)
             next_test.pop("gecko_profile_threads", None)
+            next_test.pop("gecko_profile_features", None)
 
         if args.debug_mode is True:
             next_test["debug_mode"] = True
diff --git a/testing/raptor/raptor/perftest.py b/testing/raptor/raptor/perftest.py
index ea5e62193488..665e984cfe7c 100644
--- a/testing/raptor/raptor/perftest.py
+++ b/testing/raptor/raptor/perftest.py
@@ -77,6 +77,9 @@ class Perftest(object):
         gecko_profile=False,
         gecko_profile_interval=None,
         gecko_profile_entries=None,
+        gecko_profile_extra_threads=None,
+        gecko_profile_threads=None,
+        gecko_profile_features=None,
         symbols_path=None,
         host=None,
         power_test=False,
@@ -118,6 +121,9 @@ class Perftest(object):
             "gecko_profile": gecko_profile,
             "gecko_profile_interval": gecko_profile_interval,
             "gecko_profile_entries": gecko_profile_entries,
+            "gecko_profile_extra_threads": gecko_profile_extra_threads,
+            "gecko_profile_threads": gecko_profile_threads,
+            "gecko_profile_features": gecko_profile_features,
             "symbols_path": symbols_path,
             "host": host,
             "power_test": power_test,
diff --git a/testing/raptor/raptor/raptor.py b/testing/raptor/raptor/raptor.py
index 4a53a3d4fd16..e406f8106704 100644
--- a/testing/raptor/raptor/raptor.py
+++ b/testing/raptor/raptor/raptor.py
@@ -124,6 +124,9 @@ def main(args=sys.argv[1:]):
             gecko_profile=args.gecko_profile,
             gecko_profile_interval=args.gecko_profile_interval,
             gecko_profile_entries=args.gecko_profile_entries,
+            gecko_profile_extra_threads=args.gecko_profile_extra_threads,
+            gecko_profile_threads=args.gecko_profile_threads,
+            gecko_profile_features=args.gecko_profile_features,
             symbols_path=args.symbols_path,
             host=args.host,
             power_test=args.power_test,
diff --git a/testing/raptor/test/test_manifest.py b/testing/raptor/test/test_manifest.py
index 46c2eb0650f5..ae71f2be35ca 100644
--- a/testing/raptor/test/test_manifest.py
+++ b/testing/raptor/test/test_manifest.py
@@ -210,6 +210,7 @@ def test_get_raptor_test_list_gecko_profiling_enabled(create_args):
     assert test_list[0].get("gecko_profile_entries") == "14000000"
     assert test_list[0].get("gecko_profile_interval") == "1"
     assert test_list[0].get("gecko_profile_threads") is None
+    assert test_list[0].get("gecko_profile_features") is None
 
 
 def test_get_raptor_test_list_gecko_profiling_enabled_args_override(create_args):
@@ -218,7 +219,8 @@ def test_get_raptor_test_list_gecko_profiling_enabled_args_override(create_args)
         gecko_profile=True,
         gecko_profile_entries=42,
         gecko_profile_interval=100,
-        gecko_profile_threads=["Foo"],
+        gecko_profile_threads="Foo",
+        gecko_profile_features="Mood,UserNetWorth",
         browser_cycles=1,
     )
 
@@ -229,6 +231,27 @@ def test_get_raptor_test_list_gecko_profiling_enabled_args_override(create_args)
     assert test_list[0]["gecko_profile_entries"] == "42"
     assert test_list[0]["gecko_profile_interval"] == "100"
     assert test_list[0]["gecko_profile_threads"] == "Foo"
+    assert test_list[0]["gecko_profile_features"] == "Mood,UserNetWorth"
+
+
+def test_get_raptor_test_list_gecko_profiling_enabled_extra_args_override(create_args):
+    args = create_args(
+        test="amazon",
+        gecko_profile=True,
+        gecko_profile_entries=42,
+        gecko_profile_interval=100,
+        gecko_profile_extra_threads=["Foo", "Oof"],
+        gecko_profile_threads="String,Rope",
+        browser_cycles=1,
+    )
+
+    test_list = get_raptor_test_list(args, mozinfo.os)
+    assert len(test_list) == 1
+    assert test_list[0]["name"] == "amazon"
+    assert test_list[0]["gecko_profile"] is True
+    assert test_list[0]["gecko_profile_entries"] == "42"
+    assert test_list[0]["gecko_profile_interval"] == "100"
+    assert test_list[0]["gecko_profile_threads"] == "String,Rope,Foo,Oof"
 
 
 def test_get_raptor_test_list_gecko_profiling_disabled(create_args):
@@ -238,6 +261,7 @@ def test_get_raptor_test_list_gecko_profiling_disabled(create_args):
         gecko_profile_entries=42,
         gecko_profile_interval=100,
         gecko_profile_threads=["Foo"],
+        gecko_profile_features=["Temperature"],
         browser_cycles=1,
     )
 
@@ -248,6 +272,7 @@ def test_get_raptor_test_list_gecko_profiling_disabled(create_args):
     assert test_list[0].get("gecko_profile_entries") is None
     assert test_list[0].get("gecko_profile_interval") is None
     assert test_list[0].get("gecko_profile_threads") is None
+    assert test_list[0].get("gecko_profile_features") is None
 
 
 def test_get_raptor_test_list_gecko_profiling_disabled_args_override(create_args):
@@ -257,6 +282,7 @@ def test_get_raptor_test_list_gecko_profiling_disabled_args_override(create_args
         gecko_profile_entries=42,
         gecko_profile_interval=100,
         gecko_profile_threads=["Foo"],
+        gecko_profile_features=["Temperature"],
         browser_cycles=1,
     )
 
@@ -267,6 +293,7 @@ def test_get_raptor_test_list_gecko_profiling_disabled_args_override(create_args
     assert test_list[0].get("gecko_profile_entries") is None
     assert test_list[0].get("gecko_profile_interval") is None
     assert test_list[0].get("gecko_profile_threads") is None
+    assert test_list[0].get("gecko_profile_features") is None
 
 
 def test_get_raptor_test_list_debug_mode(create_args):
diff --git a/testing/raptor/webext/raptor/runner.js b/testing/raptor/webext/raptor/runner.js
index cbffabe444b2..6870e72fd772 100644
--- a/testing/raptor/webext/raptor/runner.js
+++ b/testing/raptor/webext/raptor/runner.js
@@ -70,6 +70,7 @@ var geckoProfiling = false;
 var geckoInterval = 1;
 var geckoEntries = 1000000;
 var geckoThreads = [];
+var geckoFeatures = null;
 var debugMode = 0;
 var screenCapture = false;
 
@@ -136,6 +137,7 @@ async function getTestSettings() {
     geckoEntries = settings.gecko_profile_entries;
     geckoInterval = settings.gecko_profile_interval;
     geckoThreads = settings.gecko_profile_threads;
+    geckoFeatures = settings.gecko_profile_features;
   }
 
   if (settings.screen_capture !== undefined) {
@@ -378,10 +380,13 @@ async function startGeckoProfiling() {
     "status",
     `starting Gecko profiling for threads: ${geckoThreads}`
   );
+  const features = geckoFeatures
+    ? geckoFeatures.split(",")
+    : ["js", "leaf", "stackwalk", "cpu", "threads", "responsiveness"];
   await ext.geckoProfiler.start({
     bufferSize: geckoEntries,
     interval: geckoInterval,
-    features: ["js", "leaf", "stackwalk", "cpu", "threads", "responsiveness"],
+    features,
     threads: geckoThreads.split(","),
   });
 }
diff --git a/testing/talos/talos/cmdline.py b/testing/talos/talos/cmdline.py
index 125c44eec6ea..c297241504ce 100644
--- a/testing/talos/talos/cmdline.py
+++ b/testing/talos/talos/cmdline.py
@@ -160,6 +160,18 @@ def create_parser(mach_interface=False):
         type=int,
         help="How many samples to take with the profiler",
     )
+    add_arg(
+        "--gecko-profile-features",
+        dest="gecko_profile_features",
+        type=str,
+        help="Comma-separated list of features to enable in the profiler",
+    )
+    add_arg(
+        "--gecko-profile-threads",
+        dest="gecko_profile_threads",
+        type=str,
+        help="Comma-separated list of threads to sample",
+    )
     add_arg(
         "--extension",
         dest="extensions",
diff --git a/testing/talos/talos/config.py b/testing/talos/talos/config.py
index 35ef31ed31ad..2703c34df9a5 100644
--- a/testing/talos/talos/config.py
+++ b/testing/talos/talos/config.py
@@ -23,7 +23,8 @@ DEFAULTS = dict(
     buildid="testbuildid",
     init_url="getInfo.html",
     env={"NO_EM_RESTART": "1"},
-    # base data for all tests
+    # base data for all tests. Note that any None here will end up converted to
+    # an empty string in useBaseTestDefaults.
     basetest=dict(
         cycles=1,
         profile_path="${talos}/base_profile",
@@ -67,6 +68,8 @@ GLOBAL_OVERRIDES = (
     "gecko_profile",
     "gecko_profile_interval",
     "gecko_profile_entries",
+    "gecko_profile_features",
+    "gecko_profile_threads",
     "tpcycles",
     "tppagecycles",
     "tpmanifest",
diff --git a/testing/talos/talos/gecko_profile.py b/testing/talos/talos/gecko_profile.py
index 98a1c2148233..e4c6fa7e6482 100644
--- a/testing/talos/talos/gecko_profile.py
+++ b/testing/talos/talos/gecko_profile.py
@@ -38,7 +38,12 @@ class GeckoProfile(object):
 
         gecko_profile_interval = test_config.get("gecko_profile_interval", 1)
         gecko_profile_entries = test_config.get("gecko_profile_entries", 1000000)
-        gecko_profile_threads = "GeckoMain,Compositor"
+        gecko_profile_features = test_config.get(
+            "gecko_profile_features", "js,leaf,stackwalk,cpu,threads"
+        )
+        gecko_profile_threads = test_config.get(
+            "gecko_profile_threads", "GeckoMain,Compositor"
+        )
         if browser_config["enable_webrender"]:
             gecko_profile_threads += ",WR,Renderer"
 
@@ -67,6 +72,7 @@ class GeckoProfile(object):
             "gecko_profile_interval": gecko_profile_interval,
             "gecko_profile_entries": gecko_profile_entries,
             "gecko_profile_dir": gecko_profile_dir,
+            "gecko_profile_features": gecko_profile_features,
             "gecko_profile_threads": gecko_profile_threads,
         }
 
@@ -90,6 +96,7 @@ class GeckoProfile(object):
                 "MOZ_PROFILER_STARTUP_NO_BASE": "1",
                 "MOZ_PROFILER_STARTUP_INTERVAL": str(self.option("interval")),
                 "MOZ_PROFILER_STARTUP_ENTRIES": str(self.option("entries")),
+                "MOZ_PROFILER_STARTUP_FEATURES": str(self.option("features")),
                 "MOZ_PROFILER_STARTUP_FILTERS": str(self.option("threads")),
             }
         )
diff --git a/testing/talos/talos/pageloader/chrome/Profiler.js b/testing/talos/talos/pageloader/chrome/Profiler.js
index ada561b43053..5c515f14815c 100644
--- a/testing/talos/talos/pageloader/chrome/Profiler.js
+++ b/testing/talos/talos/pageloader/chrome/Profiler.js
@@ -31,7 +31,11 @@ var Profiler;
   var currentTest = "";
 
   // Profiling settings.
-  var profiler_interval, profiler_entries, profiler_threadsArray, profiler_dir;
+  var profiler_interval,
+    profiler_entries,
+    profiler_threadsArray,
+    profiler_featuresArray,
+    profiler_dir;
 
   /* eslint-disable mozilla/use-chromeutils-import */
   try {
@@ -62,6 +66,7 @@ var Profiler;
      * The following properties on the object are respected:
      *  - gecko_profile_interval
      *  - gecko_profile_entries
+     *  - gecko_profile_features
      *  - gecko_profile_threads
      *  - gecko_profile_dir
      */
@@ -74,11 +79,14 @@ var Profiler;
         Number.isFinite(obj.gecko_profile_interval * 1) &&
         "gecko_profile_entries" in obj &&
         Number.isFinite(obj.gecko_profile_entries * 1) &&
+        "gecko_profile_features" in obj &&
+        typeof obj.gecko_profile_features == "string" &&
         "gecko_profile_threads" in obj &&
         typeof obj.gecko_profile_threads == "string"
       ) {
         profiler_interval = obj.gecko_profile_interval;
         profiler_entries = obj.gecko_profile_entries;
+        profiler_featuresArray = obj.gecko_profile_features.split(",");
         profiler_threadsArray = obj.gecko_profile_threads.split(",");
         profiler_dir = obj.gecko_profile_dir;
         enabled = true;
@@ -95,7 +103,7 @@ var Profiler;
         _profiler.StartProfiler(
           profiler_entries,
           profiler_interval,
-          ["js", "leaf", "stackwalk", "threads", "cpu"],
+          profiler_featuresArray,
           profiler_threadsArray
         );
         _profiler.PauseSampling();
diff --git a/testing/talos/talos/talos-powers/api.js b/testing/talos/talos/talos-powers/api.js
index fdc64f3cba04..c38f45b0fae4 100644
--- a/testing/talos/talos/talos-powers/api.js
+++ b/testing/talos/talos/talos-powers/api.js
@@ -119,7 +119,7 @@ TalosPowersService.prototype = {
     Services.profiler.StartProfiler(
       data.entries,
       data.interval,
-      ["js", "leaf", "stackwalk", "threads", "cpu"],
+      data.featuresArray,
       data.threadsArray
     );
 
diff --git a/testing/talos/talos/talos-powers/content/TalosContentProfiler.js b/testing/talos/talos/talos-powers/content/TalosContentProfiler.js
index f82c46df1f08..7d13601d5d13 100644
--- a/testing/talos/talos/talos-powers/content/TalosContentProfiler.js
+++ b/testing/talos/talos/talos-powers/content/TalosContentProfiler.js
@@ -32,7 +32,7 @@ var TalosContentProfiler;
   var currentTest = "unknown";
 
   // Profiler settings.
-  var interval, entries, threadsArray, profileDir;
+  var interval, entries, featuresArray, threadsArray, profileDir;
 
   /**
    * Emits a TalosContentProfiler prefixed event and then returns a Promise
@@ -123,6 +123,7 @@ var TalosContentProfiler;
      *   The following properties on the object are respected:
      *     gecko_profile_interval (int)
      *     gecko_profile_entries (int)
+     *     gecko_profile_features (string, comma separated list of features to enable)
      *     gecko_profile_threads (string, comma separated list of threads to filter with)
      *     gecko_profile_dir (string)
      */
@@ -135,11 +136,14 @@ var TalosContentProfiler;
           Number.isFinite(obj.gecko_profile_interval * 1) &&
           "gecko_profile_entries" in obj &&
           Number.isFinite(obj.gecko_profile_entries * 1) &&
+          "gecko_profile_features" in obj &&
+          typeof obj.gecko_profile_features == "string" &&
           "gecko_profile_threads" in obj &&
           typeof obj.gecko_profile_threads == "string"
         ) {
           interval = obj.gecko_profile_interval;
           entries = obj.gecko_profile_entries;
+          featuresArray = obj.gecko_profile_features.split(",");
           threadsArray = obj.gecko_profile_threads.split(",");
           profileDir = obj.gecko_profile_dir;
           initted = true;
@@ -180,6 +184,7 @@ var TalosContentProfiler;
         return sendEventAndWait("Profiler:Begin", {
           interval,
           entries,
+          featuresArray,
           threadsArray,
         });
       }
diff --git a/testing/talos/talos/talos-powers/content/TalosParentProfiler.jsm b/testing/talos/talos/talos-powers/content/TalosParentProfiler.jsm
index 5c7a49b7a534..080fa310dc80 100644
--- a/testing/talos/talos/talos-powers/content/TalosParentProfiler.jsm
+++ b/testing/talos/talos/talos-powers/content/TalosParentProfiler.jsm
@@ -29,6 +29,7 @@ const TalosParentProfiler = {
   // Profiler settings.
   interval: undefined,
   entries: undefined,
+  featuresArray: undefined,
   threadsArray: undefined,
   profileDir: undefined,
 
@@ -47,6 +48,7 @@ const TalosParentProfiler = {
    *   The following properties on the object are respected:
    *     gecko_profile_interval (int)
    *     gecko_profile_entries (int)
+   *     gecko_profile_features (string, comma separated list of features to enable)
    *     gecko_profile_threads (string, comma separated list of threads to filter with)
    *     gecko_profile_dir (string)
    */
@@ -59,11 +61,14 @@ const TalosParentProfiler = {
         Number.isFinite(obj.gecko_profile_interval * 1) &&
         "gecko_profile_entries" in obj &&
         Number.isFinite(obj.gecko_profile_entries * 1) &&
+        "gecko_profile_features" in obj &&
+        typeof obj.gecko_profile_features == "string" &&
         "gecko_profile_threads" in obj &&
         typeof obj.gecko_profile_threads == "string"
       ) {
         this.interval = obj.gecko_profile_interval;
         this.entries = obj.gecko_profile_entries;
+        this.featuresArray = obj.gecko_profile_features.split(",");
         this.threadsArray = obj.gecko_profile_threads.split(",");
         this.profileDir = obj.gecko_profile_dir;
         this.initted = true;
@@ -122,6 +127,7 @@ const TalosParentProfiler = {
       this.TalosPowers.profilerBegin({
         entries: this.entries,
         interval: this.interval,
+        featuresArray: this.featuresArray,
         threadsArray: this.threadsArray,
       });
     } else {
diff --git a/testing/talos/talos/test.py b/testing/talos/talos/test.py
index 5aabcd4a28e1..f78ad3b08d1d 100644
--- a/testing/talos/talos/test.py
+++ b/testing/talos/talos/test.py
@@ -108,6 +108,8 @@ class TsBase(Test):
         "gecko_profile",
         "gecko_profile_interval",
         "gecko_profile_entries",
+        "gecko_profile_features",
+        "gecko_profile_threads",
         "gecko_profile_startup",
         "preferences",
         "xperf_counters",
@@ -336,6 +338,8 @@ class PageloaderTest(Test):
         "gecko_profile",
         "gecko_profile_interval",
         "gecko_profile_entries",
+        "gecko_profile_features",
+        "gecko_profile_threads",
         "tptimeout",
         "win_counters",
         "w7_counters",
diff --git a/testing/talos/talos/tests/tart/addon/content/Profiler.js b/testing/talos/talos/tests/tart/addon/content/Profiler.js
index fe599f7e8f4a..145b87f542dd 100644
--- a/testing/talos/talos/tests/tart/addon/content/Profiler.js
+++ b/testing/talos/talos/tests/tart/addon/content/Profiler.js
@@ -31,7 +31,11 @@ var Profiler;
   var currentTest = "";
 
   // Profiling settings.
-  var profiler_interval, profiler_entries, profiler_threadsArray, profiler_dir;
+  var profiler_interval,
+    profiler_entries,
+    profiler_featuresArray,
+    profiler_threadsArray,
+    profiler_dir;
 
   try {
     // eslint-disable-next-line mozilla/use-services
@@ -61,6 +65,7 @@ var Profiler;
      * The following properties on the object are respected:
      *  - gecko_profile_interval
      *  - gecko_profile_entries
+     *  - gecko_profile_features
      *  - gecko_profile_threads
      *  - gecko_profile_dir
      */
@@ -73,11 +78,14 @@ var Profiler;
         Number.isFinite(obj.gecko_profile_interval * 1) &&
         "gecko_profile_entries" in obj &&
         Number.isFinite(obj.gecko_profile_entries * 1) &&
+        "gecko_profile_features" in obj &&
+        typeof obj.gecko_profile_features == "string" &&
         "gecko_profile_threads" in obj &&
         typeof obj.gecko_profile_threads == "string"
       ) {
         profiler_interval = obj.gecko_profile_interval;
         profiler_entries = obj.gecko_profile_entries;
+        profiler_featuresArray = obj.gecko_profile_features.split(",");
         profiler_threadsArray = obj.gecko_profile_threads.split(",");
         profiler_dir = obj.gecko_profile_dir;
         enabled = true;
@@ -94,7 +102,7 @@ var Profiler;
         _profiler.StartProfiler(
           profiler_entries,
           profiler_interval,
-          ["js", "leaf", "stackwalk", "threads", "cpu"],
+          profiler_featuresArray,
           profiler_threadsArray
         );
         _profiler.PauseSampling();
diff --git a/testing/talos/talos/tests/tresize/addon/content/Profiler.js b/testing/talos/talos/tests/tresize/addon/content/Profiler.js
index f40bc139a92a..f6d907a4468e 100644
--- a/testing/talos/talos/tests/tresize/addon/content/Profiler.js
+++ b/testing/talos/talos/tests/tresize/addon/content/Profiler.js
@@ -31,7 +31,11 @@ var Profiler;
   var currentTest = "";
 
   // Profiling settings.
-  var profiler_interval, profiler_entries, profiler_threadsArray, profiler_dir;
+  var profiler_interval,
+    profiler_entries,
+    profiler_featuresArray,
+    profiler_threadsArray,
+    profiler_dir;
 
   try {
     // eslint-disable-next-line mozilla/use-services
@@ -61,6 +65,7 @@ var Profiler;
      * The following properties on the object are respected:
      *  - gecko_profile_interval
      *  - gecko_profile_entries
+     *  - gecko_profile_features
      *  - gecko_profile_threads
      *  - gecko_profile_dir
      */
@@ -73,11 +78,14 @@ var Profiler;
         Number.isFinite(obj.gecko_profile_interval * 1) &&
         "gecko_profile_entries" in obj &&
         Number.isFinite(obj.gecko_profile_entries * 1) &&
+        "gecko_profile_features" in obj &&
+        typeof obj.gecko_profile_features == "string" &&
         "gecko_profile_threads" in obj &&
         typeof obj.gecko_profile_threads == "string"
       ) {
         profiler_interval = obj.gecko_profile_interval;
         profiler_entries = obj.gecko_profile_entries;
+        profiler_featuresArray = obj.gecko_profile_features.split(",");
         profiler_threadsArray = obj.gecko_profile_threads.split(",");
         profiler_dir = obj.gecko_profile_dir;
         enabled = true;
@@ -94,7 +102,7 @@ var Profiler;
         _profiler.StartProfiler(
           profiler_entries,
           profiler_interval,
-          ["js", "leaf", "stackwalk", "threads", "cpu"],
+          profiler_featuresArray,
           profiler_threadsArray
         );
         _profiler.PauseSampling();
diff --git a/tools/tryselect/task_config.py b/tools/tryselect/task_config.py
index 0cf8f5f96766..8cc76100019b 100644
--- a/tools/tryselect/task_config.py
+++ b/tools/tryselect/task_config.py
@@ -328,6 +328,39 @@ class GeckoProfile(TryConfig):
                 "help": "Create and upload a gecko profile during talos/raptor tasks.",
             },
         ],
+        [
+            ["--gecko-profile-interval"],
+            {
+                "dest": "gecko_profile_interval",
+                "type": float,
+                "help": "How frequently to take samples (ms)",
+            },
+        ],
+        [
+            ["--gecko-profile-entries"],
+            {
+                "dest": "gecko_profile_entries",
+                "type": int,
+                "help": "How many samples to take with the profiler",
+            },
+        ],
+        [
+            ["--gecko-profile-features"],
+            {
+                "dest": "gecko_profile_features",
+                "type": str,
+                "default": None,
+                "help": "Set the features enabled for the profiler.",
+            },
+        ],
+        [
+            ["--gecko-profile-threads"],
+            {
+                "dest": "gecko_profile_threads",
+                "type": str,
+                "help": "Comma-separated list of threads to sample.",
+            },
+        ],
         # For backwards compatibility
         [
             ["--talos-profile"],
@@ -350,10 +383,25 @@ class GeckoProfile(TryConfig):
         ],
     ]
 
-    def try_config(self, profile, **kwargs):
-        if profile:
+    def try_config(
+        self,
+        profile,
+        gecko_profile_interval,
+        gecko_profile_entries,
+        gecko_profile_features,
+        gecko_profile_threads,
+        **kwargs
+    ):
+        if profile or not all(
+            kwargs.get(s) is None
+            for s in (gecko_profile_features, gecko_profile_threads)
+        ):
             return {
                 "gecko-profile": True,
+                "gecko-profile-interval": gecko_profile_interval,
+                "gecko-profile-entries": gecko_profile_entries,
+                "gecko-profile-features": gecko_profile_features,
+                "gecko-profile-threads": gecko_profile_threads,
             }