[Crashlytics] Remove mach_absolute_time usages (#12664)

Co-authored-by: Nick Cooke <[email protected]>

Author: paulb777

Crashlytics/CHANGELOG.md

@@ -1,6 +1,7 @@
 # Unreleased
 - [fixed] Fix `'FirebaseCrashlytics/FirebaseCrashlytics-Swift.h' file not found`
   errors (#12611).
+- [changed] Remove usages of `mach_absolute_time` to reduce required reason impact.
 
 # 10.23.0
 - [added] Updated upload-symbols to 13.7 with VisionPro build phase support. (#12306)

Crashlytics/Crashlytics/Components/FIRCLSProcess.c

@@ -16,7 +16,6 @@
 #include "Crashlytics/Crashlytics/Helpers/FIRCLSDefines.h"
 #include "Crashlytics/Crashlytics/Helpers/FIRCLSFeatures.h"
 #include "Crashlytics/Crashlytics/Components/FIRCLSGlobals.h"
-#include "Crashlytics/Crashlytics/Helpers/FIRCLSProfiling.h"
 #include "Crashlytics/Crashlytics/Helpers/FIRCLSThreadState.h"
 #include "Crashlytics/Crashlytics/Unwind/FIRCLSUnwind.h"
 #include "Crashlytics/Crashlytics/Helpers/FIRCLSUtility.h"

Crashlytics/Crashlytics/Controllers/FIRCLSReportManager.h

@@ -16,8 +16,6 @@
 
 #import "Crashlytics/Crashlytics/Public/FirebaseCrashlytics/FIRCrashlytics.h"
 
-#import "Crashlytics/Crashlytics/Helpers/FIRCLSProfiling.h"
-
 @class FBLPromise<T>;
 @class FIRCLSExistingReportManager;
 @class FIRCLSAnalyticsManager;
@@ -35,7 +33,7 @@ NS_ASSUME_NONNULL_BEGIN
 - (instancetype)init NS_UNAVAILABLE;
 + (instancetype)new NS_UNAVAILABLE;
 
-- (FBLPromise<NSNumber *> *)startWithProfilingMark:(FIRCLSProfileMark)mark;
+- (FBLPromise<NSNumber *> *)startWithProfiling;
 
 - (FBLPromise<FIRCrashlyticsReport *> *)checkForUnsentReports;
 - (FBLPromise *)sendUnsentReports;

Crashlytics/Crashlytics/Controllers/FIRCLSReportManager.m

@@ -268,7 +268,7 @@ - (FBLPromise *)deleteUnsentReports {
   return _unsentReportsHandled;
 }
 
-- (FBLPromise<NSNumber *> *)startWithProfilingMark:(FIRCLSProfileMark)mark {
+- (FBLPromise<NSNumber *> *)startWithProfiling {
   NSString *executionIdentifier = self.executionIDModel.executionID;
 
   // This needs to be called before the new report is created for
@@ -294,7 +294,7 @@ - (FBLPromise *)deleteUnsentReports {
     FIRCLSErrorLog(@"Unable to setup a new report");
   }
 
-  if (![self startCrashReporterWithProfilingMark:mark report:report]) {
+  if (![self startCrashReporterWithProfilingReport:report]) {
     FIRCLSErrorLog(@"Unable to start crash reporter");
     report = nil;
   }
@@ -361,11 +361,9 @@ - (FBLPromise *)deleteUnsentReports {
   }
 
   if (report != nil) {
-    // capture the start-up time here, but record it asynchronously
-    double endMark = FIRCLSProfileEnd(mark);
-
+    // empty for disabled start-up time
     dispatch_async(FIRCLSGetLoggingQueue(), ^{
-      FIRCLSUserLoggingWriteInternalKeyValue(FIRCLSStartTimeKey, [@(endMark) description]);
+      FIRCLSUserLoggingWriteInternalKeyValue(FIRCLSStartTimeKey, @"");
     });
   }
 
@@ -414,8 +412,7 @@ - (void)beginReportUploadsWithToken:(FIRCLSDataCollectionToken *)token
   }
 }
 
-- (BOOL)startCrashReporterWithProfilingMark:(FIRCLSProfileMark)mark
-                                     report:(FIRCLSInternalReport *)report {
+- (BOOL)startCrashReporterWithProfilingReport:(FIRCLSInternalReport *)report {
   if (!report) {
     return NO;
   }
@@ -430,12 +427,12 @@ - (BOOL)startCrashReporterWithProfilingMark:(FIRCLSProfileMark)mark
 
   [self.analyticsManager registerAnalyticsListener];
 
-  [self crashReportingSetupCompleted:mark];
+  [self crashReportingSetupCompleted];
 
   return YES;
 }
 
-- (void)crashReportingSetupCompleted:(FIRCLSProfileMark)mark {
+- (void)crashReportingSetupCompleted {
   // check our handlers
   FIRCLSDispatchAfter(2.0, dispatch_get_main_queue(), ^{
     FIRCLSExceptionCheckHandlers((__bridge void *)(self));
@@ -447,12 +444,12 @@ - (void)crashReportingSetupCompleted:(FIRCLSProfileMark)mark {
 #endif
   });
 
-  // remove the launch failure marker and record the startup time
+  // remove the launch failure marker and records and empty string since
+  // we're avoiding mach_absolute_time calls.
   dispatch_async(dispatch_get_main_queue(), ^{
     [self.launchMarker removeLaunchFailureMarker];
     dispatch_async(FIRCLSGetLoggingQueue(), ^{
-      FIRCLSUserLoggingWriteInternalKeyValue(FIRCLSFirstRunloopTurnTimeKey,
-                                             [@(FIRCLSProfileEnd(mark)) description]);
+      FIRCLSUserLoggingWriteInternalKeyValue(FIRCLSFirstRunloopTurnTimeKey, @"");
     });
   });
 }

Crashlytics/Crashlytics/FIRCrashlytics.m

@@ -29,7 +29,6 @@
 #import "Crashlytics/Crashlytics/FIRCLSUserDefaults/FIRCLSUserDefaults.h"
 #include "Crashlytics/Crashlytics/Handlers/FIRCLSException.h"
 #import "Crashlytics/Crashlytics/Helpers/FIRCLSDefines.h"
-#include "Crashlytics/Crashlytics/Helpers/FIRCLSProfiling.h"
 #include "Crashlytics/Crashlytics/Helpers/FIRCLSUtility.h"
 #import "Crashlytics/Crashlytics/Models/FIRCLSExecutionIdentifierModel.h"
 #import "Crashlytics/Crashlytics/Models/FIRCLSFileManager.h"
@@ -133,8 +132,6 @@ - (instancetype)initWithApp:(FIRApp *)app
       return nil;
     }
 
-    FIRCLSProfileMark mark = FIRCLSProfilingStart();
-
     NSLog(@"[Firebase/Crashlytics] Version %@", FIRCLSSDKVersion());
 
     FIRCLSDeveloperLog("Crashlytics", @"Running on %@, %@ (%@)", FIRCLSHostModelInfo(),
@@ -200,7 +197,7 @@ - (instancetype)initWithApp:(FIRApp *)app
       });
     }
 
-    [[[_reportManager startWithProfilingMark:mark] then:^id _Nullable(NSNumber *_Nullable value) {
+    [[[_reportManager startWithProfiling] then:^id _Nullable(NSNumber *_Nullable value) {
       if (![value boolValue]) {
         FIRCLSErrorLog(@"Crash reporting could not be initialized");
       }

Crashlytics/Crashlytics/Helpers/FIRCLSProfiling.c

@@ -200,7 +200,7 @@ - (NSArray *)uploadReportArray {
 
 #pragma mark - File/Directory Handling
 - (void)testCreatesNewReportOnStart {
-  FBLPromise<NSNumber *> *promise = [self->_reportManager startWithProfilingMark:0];
+  FBLPromise<NSNumber *> *promise = [self->_reportManager startWithProfiling];
 
   XCTestExpectation *expectation =
       [[XCTestExpectation alloc] initWithDescription:@"waiting on promise"];
@@ -244,7 +244,7 @@ - (void)startReportManager {
 
 - (FBLPromise<NSNumber *> *)startReportManagerWithDataCollectionEnabled:(BOOL)enabled {
   [self.dataArbiter setCrashlyticsCollectionEnabled:enabled];
-  return [self.reportManager startWithProfilingMark:0];
+  return [self.reportManager startWithProfiling];
 }
 
 - (void)processReports:(BOOL)send andExpectReports:(BOOL)reportsExpected {

Crashlytics/Crashlytics/Helpers/FIRCLSProfiling.h

@@ -213,15 +213,15 @@ - (void)testUrgentUploadPackagedReportWithPath {
   [self runUploadPackagedReportWithUrgency:YES];
 }
 
-- (void)testUrgentWaitUntillUpload {
+- (void)testUrgentWaitUntilUpload {
   self.mockDataTransport.async = YES;
 
   [self runUploadPackagedReportWithUrgency:YES];
 
   XCTAssertNotNil(self.mockDataTransport.sendDataEvent_event);
 }
 
-- (void)testUrgentWaitUntillUploadWithError {
+- (void)testUrgentWaitUntilUploadWithError {
   self.mockDataTransport.async = YES;
   self.mockDataTransport.sendDataEvent_error = [[NSError alloc] initWithDomain:@"domain"
                                                                           code:1
@@ -234,7 +234,7 @@ - (void)testUrgentWaitUntillUploadWithError {
   XCTAssertNotNil(self.mockDataTransport.sendDataEvent_event);
 }
 
-- (void)testUrgentWaitUntillUploadWithWritingError {
+- (void)testUrgentWaitUntilUploadWithWritingError {
   self.mockDataTransport.async = YES;
   self.mockDataTransport.sendDataEvent_wasWritten = NO;
 

Crashlytics/UnitTests/FIRCLSReportManagerTests.m

@@ -22,8 +22,7 @@
 
 @implementation FIRCLSMockReportManager
 
-- (BOOL)startCrashReporterWithProfilingMark:(FIRCLSProfileMark)mark
-                                     report:(FIRCLSInternalReport *)report {
+- (BOOL)startCrashReporterWithProfilingReport:(FIRCLSInternalReport *)report {
   NSLog(@"Crash Reporting system disabled for testing");
 
   return YES;