diff options
Diffstat (limited to 'xen/include/xen/trace.h')
| -rw-r--r-- | xen/include/xen/trace.h | 73 |
1 files changed, 44 insertions, 29 deletions
diff --git a/xen/include/xen/trace.h b/xen/include/xen/trace.h index 7635f2dbf6..c5ce88f7ca 100644 --- a/xen/include/xen/trace.h +++ b/xen/include/xen/trace.h @@ -39,7 +39,7 @@ void __trace_var(u32 event, int cycles, int extra, unsigned char *extra_data); static inline void trace_var(u32 event, int cycles, int extra, unsigned char *extra_data) { - if( unlikely(tb_init_done) ) + if ( unlikely(tb_init_done) ) __trace_var(event, cycles, extra, extra_data); } @@ -49,49 +49,64 @@ static inline void trace_var(u32 event, int cycles, int extra, trace_var(_e, 1, 0, NULL); \ } while ( 0 ) -#define TRACE_1D(_e,_d) \ +#define TRACE_1D(_e,d1) \ do { \ - u32 _d1; \ - _d1 = _d; \ - trace_var(_e, 1, sizeof(_d1), (unsigned char *)&_d1); \ + if ( unlikely(tb_init_done) ) \ + { \ + u32 _d[1]; \ + _d[0] = d1; \ + __trace_var(_e, 1, sizeof(*_d), (unsigned char *)_d); \ + } \ } while ( 0 ) #define TRACE_2D(_e,d1,d2) \ - do { \ - u32 _d[2]; \ - _d[0]=d1; \ - _d[1]=d2; \ - trace_var(_e, 1, sizeof(*_d)*2, (unsigned char *)_d); \ + do { \ + if ( unlikely(tb_init_done) ) \ + { \ + u32 _d[2]; \ + _d[0] = d1; \ + _d[1] = d2; \ + __trace_var(_e, 1, sizeof(*_d)*2, (unsigned char *)_d); \ + } \ } while ( 0 ) #define TRACE_3D(_e,d1,d2,d3) \ do { \ - u32 _d[3]; \ - _d[0]=d1; \ - _d[1]=d2; \ - _d[2]=d3; \ - trace_var(_e, 1, sizeof(*_d)*3, (unsigned char *)_d); \ + if ( unlikely(tb_init_done) ) \ + { \ + u32 _d[3]; \ + _d[0] = d1; \ + _d[1] = d2; \ + _d[2] = d3; \ + __trace_var(_e, 1, sizeof(*_d)*3, (unsigned char *)_d); \ + } \ } while ( 0 ) #define TRACE_4D(_e,d1,d2,d3,d4) \ do { \ - u32 _d[4]; \ - _d[0]=d1; \ - _d[1]=d2; \ - _d[2]=d3; \ - _d[3]=d4; \ - trace_var(_e, 1, sizeof(*_d)*4, (unsigned char *)_d); \ + if ( unlikely(tb_init_done) ) \ + { \ + u32 _d[4]; \ + _d[0] = d1; \ + _d[1] = d2; \ + _d[2] = d3; \ + _d[3] = d4; \ + __trace_var(_e, 1, sizeof(*_d)*4, (unsigned char *)_d); \ + } \ } while ( 0 ) #define TRACE_5D(_e,d1,d2,d3,d4,d5) \ - do { \ - u32 _d[5]; \ - _d[0]=d1; \ - _d[1]=d2; \ - _d[2]=d3; \ - _d[3]=d4; \ - _d[4]=d5; \ - trace_var(_e, 1, sizeof(*_d)*5, (unsigned char *)_d); \ + do { \ + if ( unlikely(tb_init_done) ) \ + { \ + u32 _d[5]; \ + _d[0] = d1; \ + _d[1] = d2; \ + _d[2] = d3; \ + _d[3] = d4; \ + _d[4] = d5; \ + __trace_var(_e, 1, sizeof(*_d)*5, (unsigned char *)_d); \ + } \ } while ( 0 ) #endif /* __XEN_TRACE_H__ */ |