diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/trace.h | 20 | ||||
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 2 |
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h index c15da6073cb8..8e86b48d0369 100644 --- a/arch/powerpc/include/asm/trace.h +++ b/arch/powerpc/include/asm/trace.h @@ -144,6 +144,26 @@ TRACE_EVENT_FN(opal_exit, ); #endif +TRACE_EVENT(hash_fault, + + TP_PROTO(unsigned long addr, unsigned long access, unsigned long trap), + TP_ARGS(addr, access, trap), + TP_STRUCT__entry( + __field(unsigned long, addr) + __field(unsigned long, access) + __field(unsigned long, trap) + ), + + TP_fast_assign( + __entry->addr = addr; + __entry->access = access; + __entry->trap = trap; + ), + + TP_printk("hash fault with addr 0x%lx and access = 0x%lx trap = 0x%lx", + __entry->addr, __entry->access, __entry->trap) +); + #endif /* _TRACE_POWERPC_H */ #undef TRACE_INCLUDE_PATH diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index a04ca922f0db..5ec987f65b2c 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -57,6 +57,7 @@ #include <asm/fadump.h> #include <asm/firmware.h> #include <asm/tm.h> +#include <asm/trace.h> #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -1004,6 +1005,7 @@ int hash_page_mm(struct mm_struct *mm, unsigned long ea, DBG_LOW("hash_page(ea=%016lx, access=%lx, trap=%lx\n", ea, access, trap); + trace_hash_fault(ea, access, trap); /* Get region & vsid */ switch (REGION_ID(ea)) { |