Remove SPS profiler.

- Conditionals and code blocks. (MOZ_ENABLE_PROFILER_SPS)
- Stub out several profiler-only functions.

1 files changed, 0 insertions, 207 deletions

diff --git a/tools/profiler/gecko/ProfileGatherer.cpp b/tools/profiler/gecko/ProfileGatherer.cpp
deleted file mode 100644
index 5cd45bee3..000000000
--- a/tools/profiler/gecko/ProfileGatherer.cpp
+++ /dev/null
@@ -1,207 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "mozilla/ProfileGatherer.h"
-#include "mozilla/Services.h"
-#include "nsIObserverService.h"
-#include "GeckoSampler.h"
-
-using mozilla::dom::AutoJSAPI;
-using mozilla::dom::Promise;
-
-namespace mozilla {
-
-/**
- * When a subprocess exits before we've gathered profiles, we'll
- * store profiles for those processes until gathering starts. We'll
- * only store up to MAX_SUBPROCESS_EXIT_PROFILES. The buffer is
- * circular, so as soon as we receive another exit profile, we'll
- * bump the oldest one out of the buffer.
- */
-static const uint32_t MAX_SUBPROCESS_EXIT_PROFILES = 5;
-
-NS_IMPL_ISUPPORTS(ProfileGatherer, nsIObserver)
-
-ProfileGatherer::ProfileGatherer(GeckoSampler* aTicker)
-  : mTicker(aTicker)
-  , mSinceTime(0)
-  , mPendingProfiles(0)
-  , mGathering(false)
-{
-}
-
-void
-ProfileGatherer::GatheredOOPProfile()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  if (!mGathering) {
-    // If we're not actively gathering, then we don't actually
-    // care that we gathered a profile here. This can happen for
-    // processes that exit while profiling.
-    return;
-  }
-
-  if (NS_WARN_IF(!mPromise)) {
-    // If we're not holding on to a Promise, then someone is
-    // calling us erroneously.
-    return;
-  }
-
-  mPendingProfiles--;
-
-  if (mPendingProfiles == 0) {
-    // We've got all of the async profiles now. Let's
-    // finish off the profile and resolve the Promise.
-    Finish();
-  }
-}
-
-void
-ProfileGatherer::WillGatherOOPProfile()
-{
-  mPendingProfiles++;
-}
-
-void
-ProfileGatherer::Start(double aSinceTime,
-                       Promise* aPromise)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  if (mGathering) {
-    // If we're already gathering, reject the promise - this isn't going
-    // to end well.
-    if (aPromise) {
-      aPromise->MaybeReject(NS_ERROR_NOT_AVAILABLE);
-    }
-    return;
-  }
-
-  mSinceTime = aSinceTime;
-  mPromise = aPromise;
-  mGathering = true;
-  mPendingProfiles = 0;
-
-  nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
-  if (os) {
-    DebugOnly<nsresult> rv =
-      os->AddObserver(this, "profiler-subprocess", false);
-    NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "AddObserver failed");
-    rv = os->NotifyObservers(this, "profiler-subprocess-gather", nullptr);
-    NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "NotifyObservers failed");
-  }
-
-  if (!mPendingProfiles) {
-    Finish();
-  }
-}
-
-void
-ProfileGatherer::Finish()
-{
-  MOZ_ASSERT(NS_IsMainThread());
-
-  if (!mTicker) {
-    // We somehow got called after we were cancelled! This shouldn't
-    // be possible, but doing a belt-and-suspenders check to be sure.
-    return;
-  }
-
-  UniquePtr<char[]> buf = mTicker->ToJSON(mSinceTime);
-
-  nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
-  if (os) {
-    DebugOnly<nsresult> rv = os->RemoveObserver(this, "profiler-subprocess");
-    NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "RemoveObserver failed");
-  }
-
-  AutoJSAPI jsapi;
-  if (NS_WARN_IF(!jsapi.Init(mPromise->GlobalJSObject()))) {
-    // We're really hosed if we can't get a JS context for some reason.
-    Reset();
-    return;
-  }
-
-  JSContext* cx = jsapi.cx();
-
-  // Now parse the JSON so that we resolve with a JS Object.
-  JS::RootedValue val(cx);
-  {
-    NS_ConvertUTF8toUTF16 js_string(nsDependentCString(buf.get()));
-    if (!JS_ParseJSON(cx, static_cast<const char16_t*>(js_string.get()),
-                      js_string.Length(), &val)) {
-      if (!jsapi.HasException()) {
-        mPromise->MaybeReject(NS_ERROR_DOM_UNKNOWN_ERR);
-      } else {
-        JS::RootedValue exn(cx);
-        DebugOnly<bool> gotException = jsapi.StealException(&exn);
-        MOZ_ASSERT(gotException);
-
-        jsapi.ClearException();
-        mPromise->MaybeReject(cx, exn);
-      }
-    } else {
-      mPromise->MaybeResolve(val);
-    }
-  }
-
-  Reset();
-}
-
-void
-ProfileGatherer::Reset()
-{
-  mSinceTime = 0;
-  mPromise = nullptr;
-  mPendingProfiles = 0;
-  mGathering = false;
-}
-
-void
-ProfileGatherer::Cancel()
-{
-  // The GeckoSampler is going away. If we have a Promise in flight, we
-  // should reject it.
-  if (mPromise) {
-    mPromise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
-  }
-
-  // Clear out the GeckoSampler reference, since it's being destroyed.
-  mTicker = nullptr;
-}
-
-void
-ProfileGatherer::OOPExitProfile(const nsCString& aProfile)
-{
-  if (mExitProfiles.Length() >= MAX_SUBPROCESS_EXIT_PROFILES) {
-    mExitProfiles.RemoveElementAt(0);
-  }
-  mExitProfiles.AppendElement(aProfile);
-
-  // If a process exited while gathering, we need to make
-  // sure we decrement the counter.
-  if (mGathering) {
-    GatheredOOPProfile();
-  }
-}
-
-NS_IMETHODIMP
-ProfileGatherer::Observe(nsISupports* aSubject,
-                         const char* aTopic,
-                         const char16_t *someData)
-{
-  if (!strcmp(aTopic, "profiler-subprocess")) {
-    nsCOMPtr<nsIProfileSaveEvent> pse = do_QueryInterface(aSubject);
-    if (pse) {
-      for (size_t i = 0; i < mExitProfiles.Length(); ++i) {
-        if (!mExitProfiles[i].IsEmpty()) {
-          pse->AddSubProfile(mExitProfiles[i].get());
-        }
-      }
-      mExitProfiles.Clear();
-    }
-  }
-  return NS_OK;
-}
-
-} // namespace mozilla