diff options
Diffstat (limited to 'Documentation/trace')
| -rw-r--r-- | Documentation/trace/ftrace-design.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/trace/ftrace-design.txt b/Documentation/trace/ftrace-design.txt index 6fca17beee2..79fcafc7fd6 100644 --- a/Documentation/trace/ftrace-design.txt +++ b/Documentation/trace/ftrace-design.txt | |||
| @@ -250,6 +250,10 @@ You need very few things to get the syscalls tracing in an arch. | |||
| 250 | - If the system call table on this arch is more complicated than a simple array | 250 | - If the system call table on this arch is more complicated than a simple array |
| 251 | of addresses of the system calls, implement an arch_syscall_addr to return | 251 | of addresses of the system calls, implement an arch_syscall_addr to return |
| 252 | the address of a given system call. | 252 | the address of a given system call. |
| 253 | - If the symbol names of the system calls do not match the function names on | ||
| 254 | this arch, define ARCH_HAS_SYSCALL_MATCH_SYM_NAME in asm/ftrace.h and | ||
| 255 | implement arch_syscall_match_sym_name with the appropriate logic to return | ||
| 256 | true if the function name corresponds with the symbol name. | ||
| 253 | - Tag this arch as HAVE_SYSCALL_TRACEPOINTS. | 257 | - Tag this arch as HAVE_SYSCALL_TRACEPOINTS. |
| 254 | 258 | ||
| 255 | 259 | ||