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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /include/linux/ftrace.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'include/linux/ftrace.h')
-rw-r--r--include/linux/ftrace.h37
1 files changed, 28 insertions, 9 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index dcd6a7c3a435..9d88e1cb5dbb 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -29,9 +29,22 @@ ftrace_enable_sysctl(struct ctl_table *table, int write,
29 29
30typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip); 30typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip);
31 31
32struct ftrace_hash;
33
34enum {
35 FTRACE_OPS_FL_ENABLED = 1 << 0,
36 FTRACE_OPS_FL_GLOBAL = 1 << 1,
37 FTRACE_OPS_FL_DYNAMIC = 1 << 2,
38};
39
32struct ftrace_ops { 40struct ftrace_ops {
33 ftrace_func_t func; 41 ftrace_func_t func;
34 struct ftrace_ops *next; 42 struct ftrace_ops *next;
43 unsigned long flags;
44#ifdef CONFIG_DYNAMIC_FTRACE
45 struct ftrace_hash *notrace_hash;
46 struct ftrace_hash *filter_hash;
47#endif
35}; 48};
36 49
37extern int function_trace_stop; 50extern int function_trace_stop;
@@ -146,14 +159,13 @@ extern void unregister_ftrace_function_probe_all(char *glob);
146extern int ftrace_text_reserved(void *start, void *end); 159extern int ftrace_text_reserved(void *start, void *end);
147 160
148enum { 161enum {
149 FTRACE_FL_FREE = (1 << 0), 162 FTRACE_FL_ENABLED = (1 << 30),
150 FTRACE_FL_FAILED = (1 << 1), 163 FTRACE_FL_FREE = (1 << 31),
151 FTRACE_FL_FILTER = (1 << 2),
152 FTRACE_FL_ENABLED = (1 << 3),
153 FTRACE_FL_NOTRACE = (1 << 4),
154 FTRACE_FL_CONVERTED = (1 << 5),
155}; 164};
156 165
166#define FTRACE_FL_MASK (0x3UL << 30)
167#define FTRACE_REF_MAX ((1 << 30) - 1)
168
157struct dyn_ftrace { 169struct dyn_ftrace {
158 union { 170 union {
159 unsigned long ip; /* address of mcount call-site */ 171 unsigned long ip; /* address of mcount call-site */
@@ -167,7 +179,12 @@ struct dyn_ftrace {
167}; 179};
168 180
169int ftrace_force_update(void); 181int ftrace_force_update(void);
170void ftrace_set_filter(unsigned char *buf, int len, int reset); 182void ftrace_set_filter(struct ftrace_ops *ops, unsigned char *buf,
183 int len, int reset);
184void ftrace_set_notrace(struct ftrace_ops *ops, unsigned char *buf,
185 int len, int reset);
186void ftrace_set_global_filter(unsigned char *buf, int len, int reset);
187void ftrace_set_global_notrace(unsigned char *buf, int len, int reset);
171 188
172int register_ftrace_command(struct ftrace_func_command *cmd); 189int register_ftrace_command(struct ftrace_func_command *cmd);
173int unregister_ftrace_command(struct ftrace_func_command *cmd); 190int unregister_ftrace_command(struct ftrace_func_command *cmd);
@@ -428,6 +445,7 @@ extern void unregister_ftrace_graph(void);
428 445
429extern void ftrace_graph_init_task(struct task_struct *t); 446extern void ftrace_graph_init_task(struct task_struct *t);
430extern void ftrace_graph_exit_task(struct task_struct *t); 447extern void ftrace_graph_exit_task(struct task_struct *t);
448extern void ftrace_graph_init_idle_task(struct task_struct *t, int cpu);
431 449
432static inline int task_curr_ret_stack(struct task_struct *t) 450static inline int task_curr_ret_stack(struct task_struct *t)
433{ 451{
@@ -451,6 +469,7 @@ static inline void unpause_graph_tracing(void)
451 469
452static inline void ftrace_graph_init_task(struct task_struct *t) { } 470static inline void ftrace_graph_init_task(struct task_struct *t) { }
453static inline void ftrace_graph_exit_task(struct task_struct *t) { } 471static inline void ftrace_graph_exit_task(struct task_struct *t) { }
472static inline void ftrace_graph_init_idle_task(struct task_struct *t, int cpu) { }
454 473
455static inline int register_ftrace_graph(trace_func_graph_ret_t retfunc, 474static inline int register_ftrace_graph(trace_func_graph_ret_t retfunc,
456 trace_func_graph_ent_t entryfunc) 475 trace_func_graph_ent_t entryfunc)