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| author |   Tony Lu <zlu@tilera.com> | 2013-08-09 13:26:09 -0400 |
|---|---|---|
| committer |   Chris Metcalf <cmetcalf@tilera.com> | 2013-08-30 10:20:13 -0400 |
| commit | a61fd5e3662d576998d72f80376f23b6ef083d6e (patch) | |
| tree | 396778bb72c002fb3cca77c9430ec3fb327daa1e /arch/tile/include/asm/ftrace.h | |
| parent | tile: provide traceability for hypervisor calls (diff) | |
| download | linux-dev-a61fd5e3662d576998d72f80376f23b6ef083d6e.tar.xz linux-dev-a61fd5e3662d576998d72f80376f23b6ef083d6e.zip | |
tile: support ftrace on tilegx
This commit adds support for static ftrace, graph function support,
and dynamic tracer support.
Signed-off-by: Tony Lu <zlu@tilera.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/include/asm/ftrace.h')
| -rw-r--r-- | arch/tile/include/asm/ftrace.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/tile/include/asm/ftrace.h b/arch/tile/include/asm/ftrace.h index 461459b06d98..13a9bb81a8ab 100644 --- a/arch/tile/include/asm/ftrace.h +++ b/arch/tile/include/asm/ftrace.h @@ -15,6 +15,26 @@ #ifndef _ASM_TILE_FTRACE_H #define _ASM_TILE_FTRACE_H -/* empty */ +#ifdef CONFIG_FUNCTION_TRACER + +#define MCOUNT_ADDR ((unsigned long)(__mcount)) +#define MCOUNT_INSN_SIZE 8 /* sizeof mcount call */ + +#ifndef __ASSEMBLY__ +extern void __mcount(void); + +#ifdef CONFIG_DYNAMIC_FTRACE +static inline unsigned long ftrace_call_adjust(unsigned long addr) +{ + return addr; +} + +struct dyn_arch_ftrace { +}; +#endif /* CONFIG_DYNAMIC_FTRACE */ + +#endif /* __ASSEMBLY__ */ + +#endif /* CONFIG_FUNCTION_TRACER */ #endif /* _ASM_TILE_FTRACE_H */ |