summaryrefslogtreecommitdiffstats
path: root/include/linux/ftrace.h
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2011-05-20 20:06:24 +0200
committerThomas Gleixner <tglx@linutronix.de>2011-05-20 20:08:05 +0200
commit250f972d85effad5b6e10da4bbd877e6a4b503b6 (patch)
tree007393a6fc6439af7e0121dd99a6f9f9fb8405bc /include/linux/ftrace.h
parent7372b0b122af0f6675f3ab65bfd91c8a438e0480 (diff)
parentbbe7b8bef48c567f5ff3f6041c1fb011292e8f12 (diff)
Merge branch 'timers/urgent' into timers/core
Reason: Get upstream fixes and kfree_rcu which is necessary for a follow up patch. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/ftrace.h')
-rw-r--r--include/linux/ftrace.h35
1 files changed, 26 insertions, 9 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index ca29e03c1fa..9d88e1cb5db 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -29,9 +29,22 @@ ftrace_enable_sysctl(struct ctl_table *table, int write,
typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip);
+struct ftrace_hash;
+
+enum {
+ FTRACE_OPS_FL_ENABLED = 1 << 0,
+ FTRACE_OPS_FL_GLOBAL = 1 << 1,
+ FTRACE_OPS_FL_DYNAMIC = 1 << 2,
+};
+
struct ftrace_ops {
- ftrace_func_t func;
- struct ftrace_ops *next;
+ ftrace_func_t func;
+ struct ftrace_ops *next;
+ unsigned long flags;
+#ifdef CONFIG_DYNAMIC_FTRACE
+ struct ftrace_hash *notrace_hash;
+ struct ftrace_hash *filter_hash;
+#endif
};
extern int function_trace_stop;
@@ -146,14 +159,13 @@ extern void unregister_ftrace_function_probe_all(char *glob);
extern int ftrace_text_reserved(void *start, void *end);
enum {
- FTRACE_FL_FREE = (1 << 0),
- FTRACE_FL_FAILED = (1 << 1),
- FTRACE_FL_FILTER = (1 << 2),
- FTRACE_FL_ENABLED = (1 << 3),
- FTRACE_FL_NOTRACE = (1 << 4),
- FTRACE_FL_CONVERTED = (1 << 5),
+ FTRACE_FL_ENABLED = (1 << 30),
+ FTRACE_FL_FREE = (1 << 31),
};
+#define FTRACE_FL_MASK (0x3UL << 30)
+#define FTRACE_REF_MAX ((1 << 30) - 1)
+
struct dyn_ftrace {
union {
unsigned long ip; /* address of mcount call-site */
@@ -167,7 +179,12 @@ struct dyn_ftrace {
};
int ftrace_force_update(void);
-void ftrace_set_filter(unsigned char *buf, int len, int reset);
+void ftrace_set_filter(struct ftrace_ops *ops, unsigned char *buf,
+ int len, int reset);
+void ftrace_set_notrace(struct ftrace_ops *ops, unsigned char *buf,
+ int len, int reset);
+void ftrace_set_global_filter(unsigned char *buf, int len, int reset);
+void ftrace_set_global_notrace(unsigned char *buf, int len, int reset);
int register_ftrace_command(struct ftrace_func_command *cmd);
int unregister_ftrace_command(struct ftrace_func_command *cmd);