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Linux/kernel/gcov/Kconfig

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Diff markup

Differences between /kernel/gcov/Kconfig (Version linux-6.11.5) and /kernel/gcov/Kconfig (Version linux-2.6.0)


  1 # SPDX-License-Identifier: GPL-2.0-only           
  2 menu "GCOV-based kernel profiling"                
  3                                                   
  4 config GCOV_KERNEL                                
  5         bool "Enable gcov-based kernel profili    
  6         depends on DEBUG_FS                       
  7         depends on !ARCH_WANTS_NO_INSTR || CC_    
  8         select CONSTRUCTORS                       
  9         default n                                 
 10         help                                      
 11         This option enables gcov-based code pr    
 12         measurements).                            
 13                                                   
 14         If unsure, say N.                         
 15                                                   
 16         Additionally specify CONFIG_GCOV_PROFI    
 17         for the entire kernel. To enable profi    
 18         directories, add a line similar to the    
 19         Makefile:                                 
 20                                                   
 21         For a single file (e.g. main.o):          
 22                 GCOV_PROFILE_main.o := y          
 23                                                   
 24         For all files in one directory:           
 25                 GCOV_PROFILE := y                 
 26                                                   
 27         To exclude files from being profiled e    
 28         is specified, use:                        
 29                                                   
 30                 GCOV_PROFILE_main.o := n          
 31         and:                                      
 32                 GCOV_PROFILE := n                 
 33                                                   
 34         Note that the debugfs filesystem has t    
 35         profiling data.                           
 36                                                   
 37 config ARCH_HAS_GCOV_PROFILE_ALL                  
 38         def_bool n                                
 39                                                   
 40 config GCOV_PROFILE_ALL                           
 41         bool "Profile entire Kernel"              
 42         depends on !COMPILE_TEST                  
 43         depends on GCOV_KERNEL                    
 44         depends on ARCH_HAS_GCOV_PROFILE_ALL      
 45         default n                                 
 46         help                                      
 47         This options activates profiling for t    
 48                                                   
 49         If unsure, say N.                         
 50                                                   
 51         Note that a kernel compiled with profi    
 52         larger and run slower. Also be sure to    
 53         which are not linked to the kernel ima    
 54                                                   
 55 endmenu                                           
                                                      

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