Embedded Profiler - User Manual
Contents
1. tacuorial Linux GCC Compile the example with the following command assuming 1ibEProfiler so in the current directory g finstrument functions o sample W1 Map sample map sample cpp Y libEProfiler so Note EN Linux 64 When linking 32bit version of EProfiler library m32 flag has to be used g m32 finstrument functions o sample Wl1 Map sample map sample cpp libEProf1ler so Generate the symbol file assuming that EProfilerSymGen is located in current directory EProfilerSymGen sample map sample sym For Call Tree Mode run the example with automatic profiling assuming 1ibEProfiler so in the current directory LD_LIBRARY_ PATH EPROF_AUTOSTART_ENABLED 1 sample Embedded Profiler User Manual 10 15 For Function List Mode run the example with automatic profiling assuming 1ibEProfiler so in the current directory LD_LIBRARY_PATH EPROF_AUTOSTART_ENABLED 1 EPROF_FUNCTION_LIST_ENABLED 1 sample D Note Android ARM Make sure that Android target prerequisites are accomplished The profiler log will be saved in the current directory with name eprof_thread_id epl e g eprof_thread_9e40740 epl1 This profiler log can be analyzed by Performance Analyzer e Select alog File EProfiler log tmp eprof thread_9e40740 epl a symbol file a cancel Call Tree Mode e Performance Analyzer data Projects PerfAnalysisTools test_accept guide_example eprof_t2. A Select a log file EProfiler log Symbol file Call Tree Mode on Performance Analyzer F Temp mple eprof _thread_4d8 is Eile Edit View Window Help F Temp sample sample sym 3 ow fs 3 Start timestamp Event Name Foo Foo void Foo Bar char const GetValue void 4 CalculateFactorial int Multiply int int Multiply int int Multiply int int Multiply int int Foo Foo void sample exe sample exe sample exe sample exe sample exe sample exe sample exe sample exe sample exe 1514 88 Function List Mode oth Performance Analyzer ET emp samp Edit View Window Help l Foo Foolvord Foo Bar char const GetValue void CalculateFactorial int Multiplytint int Foo Foolvoid sample exe sample exe sample exe sample exe sample exe sample exe End timestamp F Temp sample eprof_thread_4d3 epl Total Wall Time Self Wall Time Wall Time Total Estimation us Estimation us Estimation 1514 88 ri l Searched keywords Self Wall Time ps Wall Time ys Wall Time Count Descendant oo oo of 00 Timestamp Start cc 3103650788572 3103656189088 3103660454926 3103660459962 3103660460208 3103660460694 3103660461042 3103660461396 3103664582092 Timestamp End cc 3103656188214 15 15 3103660453968 3103660459550 3103660461828 3103660460414 3103660460856 3103660461214 3103660461568 3103668661674 Searc
3. EProfilerFailure failure the profiler has been already started or given memory size is too small void EProfilerStart Description Starts profiling for the current thread void EProfilerFlush Description Flushes profiling memory to the profiler file for the current thread This method stores entry and exit of virtual function InternalFlushing to measure consumed time by flushing It can be called only between EProfilerStart andEProfilerStop Embedded Profiler User Manual 5 15 void EProfilerStop Description Stops profiling for the current thread 3 Performance Analysis This section describes how to analyse logs with profiling data generated by embedded profiler 3 1 Resolving symbols in profiled application The symbols used in profiled application are generated from map files created during project preparation part The generated symbols are stored in a special symbol file The symbol file is needed for PC GUI application Performance Analyzer to resolve properly function names The following sections describe how to create this symbol file 3 1 1 GCC and MinGW compilers Generate symbol file from all map files generated during compilation by command e Linux 32 PerformanceAnalyzer linux32 gcc intel bin EProfilerSymGen modulel map moduleN map ProjectName sym e Linux 64 PerformanceAnalyzer linux64 gcc intel bin EProfilerSymGen Y modulel map moduleN map ProjectName sym e MinGW 32 Performan
4. Embedded Profiler User Manual Embedded Profiler User Manual Embedded Profiler User Manual Contents 1 Introduction 2 Profiling al SCR ear Ewe AAA A 2 1 1 GCC and MinGW compilers 2 e 21 2 DOVE COMPA Windows gt so sa soda te aasad a dae AAA 2 1 3 MSVC compiler Windows CE SH4 processor a ee Luo Amae MONDE oa e wee en AAA RAI e 2 3 Manualpro ling secs ocurra sap RA pad ECON owe eee eee eS Ee OBER E ORR EERE ee ee 3 Performance Analysis 3 1 Resolving symbols in profiled application 2 2 a 3 1 1 GCC and MinGW compilers oaoa a e a a REED EEE EER RED EROS Sisk MSVC compiler Windows gt o s es e tu eraa eu gka wa d i a aea a AA 3 1 3 MSVC compiler Windows CE oaoa RAE EER EES RESEOEEEEHESED EH ER 3 2 Performance Analyzer ocres dd a 4 Additional features Mel PE ke we KEE coda radar danesa Aa du Profiling overhead COCO lt ese dr pisa rabe AAA 43 LAOS EPFrofiler timer 2c es eresi rr A Step by step tutorial Embedded Profiler User Manual 1 15 1 Introduction Embedded Profiler is a multiplatform low overhead C C profiler designed to measure performance on embedded system targets Linux and Windows platforms are supported as well On Windows both MinGW Minimalist GNU for Windows and MSVC Microsoft Visual Studio compilers can be used Profiler is implemented as a dynamic library It is based on automatic instrumentation of functions done by the C C compiler P
5. For example EProfilerLogConverter eprof_log s ProjectName sym Y grep v UnwantedFunction EProfilerLogConverter filtered_eprof_log The filter could be a simple grep based on function names or your own filter based on module name timestamp range etc Filtering can also be useful for reducing size of EProfiler log files The EProfilerLogConverter can be found in directory PerformanceAnalyzer platform name bin 4 2 Profiling overhead correction Instrumentation comes with certain overhead which differs on each platform This overhead is injected into measured duration of functions As an optional feature this overhead can be measured with EProfilerOverhead command line tool and used in Performance Analyzer to estimate duration of functions as if they were not profiled The following steps describe how to measure profiling overhead 1 Find out the EProfilerOverhead in directory EProfiler platform name bin 2 Run application EProfilerOverhead num_of_repetitions num_of_overhead_measurements A l eprofiler_log_file 3 See help for overhead measuring guide EProfilerOverhead help Embedded Profiler User Manual 8 15 4 Use profiling overhead and measuring overhead in Performance Analyzer Edit Set Profiling Parameters dialog Set profiling parameters 4 3 Using EProfiler timer _ Display cycle count cc instead of time ps Target CPU Frequency 800000 kHz Reset 168 cycle
6. Open to open profiler log with corresponding symbol file Displays function call tree of profiled application This view is default for Call Tree Mode and it is disabled for Function List Mode Grouped Call Tree Similar to Call Tree but this view groups the same consecutive function calls as a simplification for large logs analysis This view is disabled for Function List Mode Functions per Modules Displays all functions calls grouped by modules and function names This view is disabled for Function List Mode Functions List Displays all functions called by application grouped by function name This view is default for Function List Mode e It is possible to show selected function call in other view using popup menu Performance Analyzer tmp eprof thread f7445700 epl Functions List File Edit View Window Total a v Module Wall Time us Wall Time gt CalculateFactorial int sample 2 88 0 65 gt Foo Bar char const sample 65 64 14 89 gt Foo Foo sample 212 54 48 23 gt Foo Foo sample 57 58 13 06 gt GetValue sample 10 75 2 44 Y Multiply int int sample 3 24 0 73 Morano O57 17 79 Multiply int int Use as timestamp Filter 57 1779 Multiply int int Show in Call Tree View 7 17 79 are Show in Grouped Call Tree View gt PyR Multiply int int Show in Functions per Modules View 14 13 55 v main sample 87 97 19 96 main sample 87 97 100 00 view e Search toolbars allows to search recursively
7. ceAnalyzer windows32 mingw intel bin EProfilerSymGen exe modulel map moduleN map ProjectName sym 3 1 2 MSVC compiler Windows Generate symbol file from all map files generated during compilation by command PerformanceAnalyzer windows32 msvc intel bin EProfilerSymGen exe modulel map moduleN map ProjectName sym 3 1 3 MSVC compiler Windows CE Generate symbol file from all map files Gf wathunk map is present thunk lis files are needed too generated during compilation by command PerformanceAnalyzer windows32 msvc intel bin EProfilerSymGen exe modulel map moduleN map ProjectName sym Tip iss Post build steps If it is easy enough to set up a post build step for each project in your building environment it could make generation even easier Your post build step just needs to run EProfilerSymGen path_to_project_map_files map ProjectName sym Embedded Profiler User Manual 3 2 Performance Analyzer 6 15 The Performance Analyzer is PC GUI application for exploring log files generated by embedded profiler The following steps describe basic usage of this application The Performance Analyzer can be found in directory PerformanceAnalyzer platform name bin where platform name can be linux32 gcc intel linux64 gcc intel windows32 msvc intel or windows32 mingw intel e Run PerformanceAnalyzer e There are several view types which can be opened from the menu View Call Tree Select Menu File
8. count Profiling overhead 15 cycle count Measuring overhead Cancel EProfiler timer interface can be used as a cpu cycle accurate stopwatch The following steps describe the usage 1 In application sources add imc ME Pico abo ame lide MEO ier T imer n 2 Measure elapsed time in processor cycles according to the following example EProfilerTimer my_timer yes E a J code to measure Const UNE 64 t duration In proces or eony ao les my Camer oton 3 Link application against appropriate EProfiler dynamic library A Step by step tutorial Example source code Tine liuide lt es tomo Finde lt C ie class Foo public BOOT ZECO NI void Bar Conse Char P meoc Sde po EGO Boo Prine PCO la okey aie ial se BOO HOON printi OO deiniti ization ao void FOO Bar const Char p message pa sa p message Embedded Profiler User Manual LAE GetValue return cine NULES 157 e Multiply iit alte lA cues LNE LE int result 0 tor int L 0p 1 e rP result valuel return result CalculateFactorial int value int result iz tor inte L I 1L lt a yalue p rri resulte Multiply resulte a return result 9 15 main HOOO COO Bar FooBar const int value GetValue const int factorial CalculateFactorial value praia ce oi o da eel ALS acl Via bezier 0
9. de EProfiler include EProfiler h Optionally call EProfilerConfigureFile or EProfilerConfigureMemory before profiling per each thread Call EProfilerStart to start profiling per each thread Optionally call EProfilerFlush to write profiler data stored in memory into the file Call EProfilerStop to stop profiling per each thread Make sure that environment variable EPROF_AUTOSTART_ENABLED or registry value HKLM SOFTWAREXEccamiEProfilerlAutostartEnabled for Windows CE build is not defined or it is set to O If Function List Mode is required set environment variable EPROF_FUNCTION_LIST_ENABLED or registry value HKLM SOFTWAREXEccamiEProfilerXFunctionListEnabled for Windows CE build to 1 Run application Find out the profiler log in format eprof_thread_XXXX epl for each thread in current directory or find out profiler logs according configuration set by EProfiler ConfigureProfFile call Example code Fun clude EBrortiler inel de ErBrotaler a EProfilerConfigurerFile p_prof_ file name opio adi EProfilerConfigureMemory prof_memory_size p_prof_memory Epona Embedded Profiler User Manual 4 15 EBrorilerstarte code to profile ocio j 7 optional force Fliishing of acquired data Code to profile BE wom lem ton l Profiling can be started and stopped at different scope so it is possible to start profiling in a function and stop anytime after that function has returned Starting in a f
10. e EProfiler dynamic library e FProfiler linux32 gcc intel lib libEProfiler so for Linux 32 e EProfiler linux64 gcc intel lib libEProfiler so for Linux 64 e EProfiler windows32 mingw intel lib libEProfiler dll a for MinGW 32 and e EProfiler android gcc arm lib libEProfiler sofor Android ARM Important Make sure that kernel module EProfiler android gcc arm module eprofiler_arm_counter kois Go Android ARM On Android ARM targets it is required to use kernel module which enables cycle counting 2 1 2 l 2 1 3 properly loaded in memory e g use insmod Android currently does not support RPATH and by default loads system libraries only Make sure that the environment variable LD_LIBRARY_PATH contains full path to EProfiler android gcc arm lib MSVC compiler Windows For all profiled application modules add the following compiler switches GH Gh For all profiled application modules add the following linker argument MAP ProjectName map Link profiled application against EProfiler dynamic library EProfiler windows32 msvc intel lib EProfiler lib MSVC compiler Windows CE SH4 processor For all profiled application modules add the following compiler switch callcap For all profiled application modules add the following linker argument MAP ProjectName map Link profiled application against EProfiler dynamic library EProfiler windowsce msvc sh4 lib EProfiler lib Embedded Profiler User Man
11. fest File Debugging System Optimization Embedded IDL Advanced Command Line Manifest Tool AML Document Generator Browse Information Build Events Custom Build Step that it links to EProfiler lib sample Property P sample Property ag Configuration Active Release Platform Actwe Win32 Common Properties Configuration Properties General Debugging C C Linker General Input Manifest File Debugging System Optimization Embedded IDL Advanced Command Line Manifest Tool AML Document Generator Browse Information Build Events Custom Build Step Output File Show Progress Version Enable Incremental Linking Suppress Startup Banner Ignore Import Library Register Output Per user Redirection Additional Library Directories Link Library Dependencies Use Library Dependency Inputs Use UNICODE Response Files Additional Library Directories Specifies one or more additional paths to search for libraries configuration specific use semi colon delimited list if more than one LIBPATH dir Additional Dependencies Ignore All Default Libraries Ignore Specific Library Module Definition File Add Module to Assembly Embed Managed Resource File Force Symbol References Delay Loaded DLLs Assembly Link Resource Additional D lend 12 15 _ Configuration Manager OutDir ProjectName exe Mot Set No INCREMENTAL NO Yes NOLOGQ No No No ools release EProfiler windows32 msvc
12. h Wall Time ps Copyright 2012 Eccam s r o All rights reserved J0 Wall Time
13. hread_9e40740 epl Call Tree File Edit View Window Help ea e s O tart timestamp End timestamp JIE a ah Total Wall Time Self Wall Time Wall Time Total Self Descendant Timestamp Timestamp Evan Nama Modua Estimation ys Estimation us Estimation wall Time ys Wall Time js Wall Time Count Start cc End cc v main sample 35 38 7 05 100 00 35 38 7 05 100 00 1 28839344800818 28839344896389 Foo Foo sample 17 89 17 89 50 56 17 89 17 89 50 56 O 28839344801196 28839344849523 Foo Bar char const sample 4 95 4 95 14 00 4 95 4 95 14 00 O 28839344849730 28839344863110 GetValue sample 0 47 0 47 1 35 0 47 0 47 1 35 O 28839344863263 28839344864556 v CalculateFactorial int sample 0 42 0 16 1 19 0 42 0 16 1 19 6 28839344864643 28839344865786 Multiply int int sample 0 05 0 05 14 17 0 05 0 05 14 17 O 28839344864757 28839344864919 Multiply int int sample 0 03 0 03 8 13 0 03 0 03 8 13 O 28839344865015 28839344865108 Multiply int int sample 0 03 0 03 8 39 0 03 0 03 8 39 O 28839344865150 28839344865246 Multiply int int sample 0 04 0 04 9 97 0 04 0 04 9 97 O 28839344865288 28839344865402 Multiply int int sample 0 04 0 04 10 49 0 04 0 04 10 49 O 28839344865444 28839344865564 Multiply int int sample 0 04 0 04 9 71 0 04 0 04 9 71 O 28839344865606 28839344865717 Foo Foo sample 4 57 4 57 12 93 4 57 4 57 12 93 O 28839344883924 28839344896290 Function List Mode Performance Analyzer data Projects PerfAnalysisTools test_ accept qu
14. ide_exampl File Edit View Window Help ENEE ls me EE secre E Event Name Module Wall Time js Hit Count Wall Time B a l Foo Foo sample 16 14 26 89 1 Foo Bar char const sample 4 99 8 32 1 GetValue sample 0 50 0 83 1 CalculateFactorial int sample 0 47 0 79 1 Multiply int int sample 0 24 6 Foo Foo sample 4 43 Embedded Profiler User Manual 11 15 Windows MSVC Ensure that compiler uses Gh GH switches sample Property Pages Configuration Active Release Platform Actwe Win32 t Common Properties All options a Configuration Properties 702 Ob1 Oi GL D WIN32 D NDEBUG D _CONSOLE D _UNICODE D UNICODE General FD EHsc MD Gy Fo Release Fd Release wc90 pdb ANS nologo c Zi TP Debugging errorReport prompt a C C General Optimization Preprocessor Code Generation Language Precomplled Headers Output Files Browse Information Advanced Command Line Linker gt Manifest Tool gt AML Document Generator Additional options GH Gh Browse Information gt Build Events gt Custom Build Step Ensure that linker has access to EProfiler lib in Additional Library Directories Embedded Profiler User Manual sample Property Pages Configuration Active Release Platform Actwe Win32 Common Properties Configuration Properties General Debugging C C Linker General Input Mani
15. in a tree view by function name Hit Count X i M M aM aMi a M ae ee Timestamp Start cc 16130207865772 16130207866520 16130207867994 16130207867268 16130207865068 16130207864320 16130207629140 Timestamp End cc 16130207866234 16130207866982 16130207868456 16130207867708 16130207865486 16130207864672 16130207981646 Suspicious functions can be easily found in the Function List view and then shown in their context using the Call Tree e Opened log can be filtered using a range defined by start and end timestamp in menu Edit Set filter Filter can be then turned on off with menu Edit Timeline Filter This function is disabled for Function List Mode e The time units can be changed from microseconds to processor cycles by menu item Edit Set Profiling Parameters gt Display cycle count cc instead of time us Embedded Profiler User Manual 7 15 e Profiling overhead can be corrected using advanced features Note Android and Windows CE Android and Windows CE platforms do not support Performance Analyzer use Linux or Windows platforms instead 4 Additional features 4 1 Filtering logs The EProfilerLogConverter command line tool converts embedded profiler logfile from binary format to text format and vice versa Therefore if the log contains functions that you are not interested in it can be easily filtered out using EProfilerLogConverter in pipeline with a filter
16. intel lib Yes Mo Wez Apply _ EProfiler lib No Specifies additional items to add to the link line ex kernel32 lib configuration specific Apply Embedded Profiler User Manual 13 15 and that 1t produces the map file sample Property Pages Configuration Active Release Configuration Manager Common Properties Generate Debug Info Configuration Properties Generate Program Database File General Strip Private Symbols Debugging Generate Map File Yes VMAP C C Map File Name Linker Map Exports No Debuggable Assembly No Debuggable attribute emitted Input Manifest File Debugging System Optimization Embedded IDL Advanced Command Line Manifest Tool AML Document Generator Browse Information Build Events Custom Build Step Generate Map File Enables generation of map file during linking MAP Aen This sample is so simple that if you use release mode all functions will be inlined and no call tree will be seen in Performance Analyzer In this case don t forget to switch off inlining to see all functions in sample Embedded Profiler User Manual 14 15 sample Property Pages Configuration Active Release Platform Actre Win32 Configuration Manager Common Properties Optimization Maximize Speed 102 Configuration Properties Inline Function Expansion Only _ inline Ob1 General Enable Intrinsic Functions Yes 0i Debugging Favor Size or S
17. ite huge and can be opened in Performance Analyzer using several views This mode has very low overhead which can be measured by special command line tool see Profiling overhead correction Using this measured overhead the Performance Analyzer implements unique feature to estimate duration of functions as if they were not profiled Function List Mode This mode generates only list of profiled functions with number of callings and total duration The resulting log is very small and can be opened in Performance Analyzer using one special view Because the profiling is based on instrumentation of functions it is necessary to compile the profiled application before profiling The next chapters describe how to do it 2 1 Project preparation These steps describe how to compile an application to be prepared for profiling using embedded profiler lt G Note You should profile the release version of your application with all compiler optimization flags etc no built in debug info is needed Embedded Profiler User Manual 2 1 1 2 15 GCC and MinGW compilers For all profiled application modules add following compiler switch finstrument functions Unnecessary functions can be filtered using finstrument functions exclude function 1list finstrument functions exclude file 1list For all profiled application modules add the following linker argument W1 Map ProjectName map Link profiled application with appropriat
18. peed Neither C C Omit Frame Pointers No General Enable Fiber safe Optimizations No Onima Whole Program Optimization Enable link time code generation GL Preprocessor Code Generation Language Precomplled Headers Output Files Browse Information Advanced Command Line Linker Manifest Tool AML Document Generator Browse Information Build Events Inline Function Expansion Custom Build step Select the level of inline function expansion forthe build Ob1 Ob2 Generate the symbol file assuming that EProfilerSymGen exe is in current directory EProfilerSymGen exe sample map sample sym For Call Tree Mode run the example with automatic profiling assuming that embedded profiler is installed in F Projects PerfAnalysisTools release directory set EPROF_ AUTOSTART _ENABLED 1 set PATH SPATHS F Projects PerfAnalysisTools release EProfiler windows32 msvc intel bin sample exe For Function List Mode run the example with automatic profiling assuming that embedded profiler is installed in F Projects PerfAnalysisTools release directory set EPROF_ AUTOSTART _ENABLED 1 set EPROF_FUNCTION_LIST_ENABLED 1 set PATH SPATHS F Projects PerfAnalysisTools release EProfiler windows32 msvc intel bin sample exe The profiler log will be saved in the current directory with name eprof_thread_id epl e g eprof_thread_4d8 epl This profiler log can be analyzed by Performance Analyzer Embedded Profiler User Manual
19. rofiling of C C application can be done either automatically or manually Automatic profiling needs no modification of a source code Manual profiling requires using the API to specify the parts of the source code to be profiled The resulting log can be opened in Performance Analyzer a GUI application on PC with several views designed for comfortable log analysis Besides of that Embedded Profiler has low impact to C C applications it implements unique feature to estimate duration of functions as if they were not profiled Embedded Profiler library exports special timer with processor cycles resolution using the API The timer resolution can be converted to nanoseconds or microseconds as well This allows C C applications to use Embedded Profiler library as multi platform high resolution timer 2 Profiling Profiling can be done in two different ways Automatically This approach does not need any modification of a source code The whole application is profiled automatically Even constructors and destructors of static global objects are profiled Manually This approach requires small modification of a source code The EProfiler API is used to configure embedded profiler and to specify the part of the source code to be profiled Embedded profiler supports two different profiling modes Call Tree Mode This mode generates complete function call tree of the profiled application with duration of each function The resulting log can be qu
20. ual 2 2 3 15 Automatic profiling The following steps describe how to use embedded profiler in automatic profiling Set environment variable EPROF_AUTOSTART_ENABLED or registry value HKLM SOFTWARE Eccam EProfiler AutostartEnabled for Windows CE build to 1 If Function List Mode is required set environment variable EPROF_FUNCTION_LIST_ENABLED or registry value HKLM SOFTWARE Eccam EProfiler FunctionListEnabled for Windows CE build to 1 Optionally set environment variable EPROF_MEMORY_SIZE or registry value HKLM SOFTWARE Eccam EProfiler MemorySize for Windows CE build to profiler memory size in bytes De fault is 1 MB for Call Tree Mode and cca 40 KB memory to store 1024 functions for Function List Mode Run application Find out the profiler log in format eprof_thread_XXXX epl for each thread in current directory Important gt The duration of functions is measured in processor cycles The measured processor cycles are converted to time using 2 3 CPU frequency which was set before profiling starts However the CPU frequency can be changed dynamically on modern processors Therefore to be sure that converted times are correct it is necessary to fix processor frequency before profiling Otherwise the profiling log analysis should be based on processor cycles only Manual profiling The following steps describe how to use embedded profiler in manual profiling oY o o In application sources add inclu
21. unction and stopping in any function that is nested in that function is possible as well Important D Threads are profiled independently each has to be explicitly started and stopped and each has its own profiling memory and log file 2 3 1 EProfiler API TEProfilerResult EProfilerConfigureFile const charx p prof file name Description Configure profiler file name for the current thread This method can be called only before EProfilerStart or after EProfilerStop If this method is not called profiler will use default file name Parameters p_prof_file_name Pointer to the profiler file name to use or NULL to use default file name Return Value EProfilerSuccess success EProfilerFailure failure the profiler has been already started TEProfilerResult EProfilerConfigureMemory size_t prof memory _ size void p prof memory Description Configure profiler memory for the current thread This method can be called only before EProfilerStart or after EProfilerStop If this method is not called profiler memory will have default size and 1t will be allocated on heap Default profiler memory size in call tree mode is IMB 1048576 bytes Default profiler memory size in function list mode is 40KB 40960 bytes Parameters prof_memory_size Profiler memory size in bytes to use or O to use default memory size p_prof_memor y Pointer to memory to use or NULL to allocate memory on heap Return Value EProfilerSuccess success
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