x86, ptrace: new ptrace BTS API

[mv-sheeva.git] / include / asm-x86 / ds.h

diff --git a/include/asm-x86/ds.h b/include/asm-x86/ds.h
index edd8467740a63b9481de92a3a24ec3ccd441494e..b84040abee68738dd5cc19db33d3a1a3c52060f4 100644 (file)
--- a/include/asm-x86/ds.h
+++ b/include/asm-x86/ds.h
@@ -48,15 +48,22 @@ struct bts_struct {
                } lbr;
                /* BTS_TASK_ARRIVES or
                   BTS_TASK_DEPARTS */
-               unsigned long long timestamp;
+               unsigned long jiffies;
        } variant;
 };
 
+/* Overflow handling mechanisms */
+#define DS_O_SIGNAL    1 /* send overflow signal */
+#define DS_O_WRAP      2 /* wrap around */
 
 extern int ds_allocate(void **, size_t);
 extern int ds_free(void **);
 extern int ds_get_bts_size(void *);
+extern int ds_get_bts_end(void *);
 extern int ds_get_bts_index(void *);
+extern int ds_set_overflow(void *, int);
+extern int ds_get_overflow(void *);
+extern int ds_clear(void *);
 extern int ds_read_bts(void *, size_t, struct bts_struct *);
 extern int ds_write_bts(void *, const struct bts_struct *);
 extern unsigned long ds_debugctl_mask(void);