timestamp.patch

# HG changeset patch
# User Valentin Gosu <valentin.gosu@gmail.com>
# Parent  a9f76166af0ffd2598d1d0f2fe5a7cd1f64de60f
[mq]: timestamp.patch

MozReview-Commit-ID: J7XgQJ6YRwz

diff --git a/dom/ipc/ContentChild.cpp b/dom/ipc/ContentChild.cpp
--- a/dom/ipc/ContentChild.cpp
+++ b/dom/ipc/ContentChild.cpp
@@ -986,22 +986,31 @@ ContentChild::InitXPCOM()
   bool isOffline, isLangRTL, haveBidiKeyboards;
   bool isConnected;
   int32_t captivePortalState;
   ClipboardCapabilities clipboardCaps;
   DomainPolicyClone domainPolicy;
   StructuredCloneData initialData;
   OptionalURIParams userContentSheetURL;
 
+  mozilla::TimeStamp childNow1 = TimeStamp::Now();
+  mozilla::TimeStamp parentNow1;
+  mozilla::TimeStamp parentNow2;
   SendGetXPCOMProcessAttributes(&isOffline, &isConnected, &captivePortalState,
+                                &parentNow1, &parentNow2,
                                 &isLangRTL, &haveBidiKeyboards,
                                 &mAvailableDictionaries,
                                 &clipboardCaps, &domainPolicy, &initialData,
                                 &mFontFamilies, &userContentSheetURL,
                                 &mLookAndFeelCache);
+  mozilla::TimeStamp childNow2 = TimeStamp::Now();
+
+  mozilla::TimeDuration delta = ((parentNow1 - childNow1) + (parentNow2 - childNow2)) / (int64_t) 2;
+  printf("timediff: %lf\n", delta.ToMicroseconds());
+  Unused << delta;
 
   RecvSetOffline(isOffline);
   RecvSetConnectivity(isConnected);
   RecvSetCaptivePortalState(captivePortalState);
   RecvBidiKeyboardNotify(isLangRTL, haveBidiKeyboards);
 
   // Create the CPOW manager as soon as possible.
   SendPJavaScriptConstructor();
diff --git a/dom/ipc/ContentParent.cpp b/dom/ipc/ContentParent.cpp
--- a/dom/ipc/ContentParent.cpp
+++ b/dom/ipc/ContentParent.cpp
@@ -2494,26 +2494,29 @@ ContentParent::RecvGetProcessAttributes(
 
   return IPC_OK();
 }
 
 mozilla::ipc::IPCResult
 ContentParent::RecvGetXPCOMProcessAttributes(bool* aIsOffline,
                                              bool* aIsConnected,
                                              int32_t* aCaptivePortalState,
+                                             TimeStamp* aParentNow1,
+                                             TimeStamp* aParentNow2,
                                              bool* aIsLangRTL,
                                              bool* aHaveBidiKeyboards,
                                              InfallibleTArray<nsString>* dictionaries,
                                              ClipboardCapabilities* clipboardCaps,
                                              DomainPolicyClone* domainPolicy,
                                              StructuredCloneData* aInitialData,
                                              InfallibleTArray<FontFamilyListEntry>* fontFamilies,
                                              OptionalURIParams* aUserContentCSSURL,
                                              nsTArray<LookAndFeelInt>* aLookAndFeelIntCache)
 {
+  *aParentNow1 = TimeStamp::Now();
   Telemetry::Accumulate(Telemetry::CONTENT_PROCESS_LAUNCH_TIME_MS,
                         static_cast<uint32_t>((TimeStamp::Now() - mLaunchTS)
                                               .ToMilliseconds()));
 
   nsCOMPtr<nsIIOService> io(do_GetIOService());
   MOZ_ASSERT(io, "No IO service?");
   DebugOnly<nsresult> rv = io->GetOffline(aIsOffline);
   MOZ_ASSERT(NS_SUCCEEDED(rv), "Failed getting offline?");
@@ -2582,16 +2585,17 @@ ContentParent::RecvGetXPCOMProcessAttrib
   // send the file URL instead.
   StyleSheet* ucs = nsLayoutStylesheetCache::For(StyleBackendType::Gecko)->UserContentSheet();
   if (ucs) {
     SerializeURI(ucs->GetSheetURI(), *aUserContentCSSURL);
   } else {
     SerializeURI(nullptr, *aUserContentCSSURL);
   }
 
+  *aParentNow2 = TimeStamp::Now();
   return IPC_OK();
 }
 
 mozilla::jsipc::PJavaScriptParent *
 ContentParent::AllocPJavaScriptParent()
 {
   MOZ_ASSERT(ManagedPJavaScriptParent().IsEmpty());
   return nsIContentParent::AllocPJavaScriptParent();
diff --git a/dom/ipc/ContentParent.h b/dom/ipc/ContentParent.h
--- a/dom/ipc/ContentParent.h
+++ b/dom/ipc/ContentParent.h
@@ -716,16 +716,18 @@ private:
 
   virtual mozilla::ipc::IPCResult RecvGetProcessAttributes(ContentParentId* aCpId,
                                                            bool* aIsForBrowser) override;
 
   virtual mozilla::ipc::IPCResult
   RecvGetXPCOMProcessAttributes(bool* aIsOffline,
                                 bool* aIsConnected,
                                 int32_t* aCaptivePortalState,
+                                TimeStamp* aParentNow1,
+                                TimeStamp* aParentNow2,
                                 bool* aIsLangRTL,
                                 bool* aHaveBidiKeyboards,
                                 InfallibleTArray<nsString>* dictionaries,
                                 ClipboardCapabilities* clipboardCaps,
                                 DomainPolicyClone* domainPolicy,
                                 StructuredCloneData* initialData,
                                 InfallibleTArray<FontFamilyListEntry>* fontFamilies,
                                 OptionalURIParams* aUserContentSheetURL,
diff --git a/dom/ipc/PContent.ipdl b/dom/ipc/PContent.ipdl
--- a/dom/ipc/PContent.ipdl
+++ b/dom/ipc/PContent.ipdl
@@ -90,16 +90,17 @@ using struct LookAndFeelInt from "mozill
 using class mozilla::dom::MessagePort from "mozilla/dom/MessagePort.h";
 using class mozilla::dom::ipc::StructuredCloneData from "mozilla/dom/ipc/StructuredCloneData.h";
 using mozilla::DataStorageType from "ipc/DataStorageIPCUtils.h";
 using mozilla::DocShellOriginAttributes from "mozilla/ipc/BackgroundUtils.h";
 using struct mozilla::layers::TextureFactoryIdentifier from "mozilla/layers/CompositorTypes.h";
 using struct mozilla::dom::FlyWebPublishOptions from "mozilla/dom/FlyWebPublishOptionsIPCSerializer.h";
 using mozilla::Telemetry::Accumulation from "mozilla/TelemetryComms.h";
 using mozilla::Telemetry::KeyedAccumulation from "mozilla/TelemetryComms.h";
+using class mozilla::TimeStamp from "mozilla/TimeStamp.h";
 
 union ChromeRegistryItem
 {
     ChromePackage;
     OverrideMapping;
     SubstitutionMapping;
 };
 
@@ -656,16 +657,18 @@ parent:
      * |isForBrowser|, we're loading <browser> or <xul:browser remote>.
      *
      * Keep the return values in sync with PBrowser()!
      */
     sync GetProcessAttributes()
         returns (ContentParentId cpId, bool isForBrowser);
     sync GetXPCOMProcessAttributes()
         returns (bool isOffline, bool isConnected, int32_t captivePortalState,
+                 TimeStamp parentNow1,
+                 TimeStamp parentNow2,
                  bool isLangRTL,
                  bool haveBidiKeyboards, nsString[] dictionaries,
                  ClipboardCapabilities clipboardCaps,
                  DomainPolicyClone domainPolicy,
                  StructuredCloneData initialData,
                  FontFamilyListEntry[] fontFamilies /* used on MacOSX only */,
                  OptionalURIParams userContentSheetURL,
                  LookAndFeelInt[] lookAndFeelIntCache);