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Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r--kernel/trace/trace.h90
1 files changed, 6 insertions, 84 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 0605fc00c176..d39b3c5454a5 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -9,10 +9,7 @@
#include <linux/mmiotrace.h>
#include <linux/tracepoint.h>
#include <linux/ftrace.h>
-#include <trace/boot.h>
-#include <linux/kmemtrace.h>
#include <linux/hw_breakpoint.h>
-
#include <linux/trace_seq.h>
#include <linux/ftrace_event.h>
@@ -25,30 +22,17 @@ enum trace_type {
TRACE_STACK,
TRACE_PRINT,
TRACE_BPRINT,
- TRACE_SPECIAL,
TRACE_MMIO_RW,
TRACE_MMIO_MAP,
TRACE_BRANCH,
- TRACE_BOOT_CALL,
- TRACE_BOOT_RET,
TRACE_GRAPH_RET,
TRACE_GRAPH_ENT,
TRACE_USER_STACK,
- TRACE_KMEM_ALLOC,
- TRACE_KMEM_FREE,
TRACE_BLK,
- TRACE_KSYM,
__TRACE_LAST_TYPE,
};
-enum kmemtrace_type_id {
- KMEMTRACE_TYPE_KMALLOC = 0, /* kmalloc() or kfree(). */
- KMEMTRACE_TYPE_CACHE, /* kmem_cache_*(). */
- KMEMTRACE_TYPE_PAGES, /* __get_free_pages() and friends. */
-};
-
-extern struct tracer boot_tracer;
#undef __field
#define __field(type, item) type item;
@@ -204,23 +188,15 @@ extern void __ftrace_bad_type(void);
IF_ASSIGN(var, ent, struct userstack_entry, TRACE_USER_STACK);\
IF_ASSIGN(var, ent, struct print_entry, TRACE_PRINT); \
IF_ASSIGN(var, ent, struct bprint_entry, TRACE_BPRINT); \
- IF_ASSIGN(var, ent, struct special_entry, 0); \
IF_ASSIGN(var, ent, struct trace_mmiotrace_rw, \
TRACE_MMIO_RW); \
IF_ASSIGN(var, ent, struct trace_mmiotrace_map, \
TRACE_MMIO_MAP); \
- IF_ASSIGN(var, ent, struct trace_boot_call, TRACE_BOOT_CALL);\
- IF_ASSIGN(var, ent, struct trace_boot_ret, TRACE_BOOT_RET);\
IF_ASSIGN(var, ent, struct trace_branch, TRACE_BRANCH); \
IF_ASSIGN(var, ent, struct ftrace_graph_ent_entry, \
TRACE_GRAPH_ENT); \
IF_ASSIGN(var, ent, struct ftrace_graph_ret_entry, \
TRACE_GRAPH_RET); \
- IF_ASSIGN(var, ent, struct kmemtrace_alloc_entry, \
- TRACE_KMEM_ALLOC); \
- IF_ASSIGN(var, ent, struct kmemtrace_free_entry, \
- TRACE_KMEM_FREE); \
- IF_ASSIGN(var, ent, struct ksym_trace_entry, TRACE_KSYM);\
__ftrace_bad_type(); \
} while (0)
@@ -298,6 +274,7 @@ struct tracer {
struct tracer *next;
int print_max;
struct tracer_flags *flags;
+ int use_max_tr;
};
@@ -318,7 +295,6 @@ struct dentry *trace_create_file(const char *name,
const struct file_operations *fops);
struct dentry *tracing_init_dentry(void);
-void init_tracer_sysprof_debugfs(struct dentry *d_tracer);
struct ring_buffer_event;
@@ -363,11 +339,6 @@ void tracing_sched_wakeup_trace(struct trace_array *tr,
struct task_struct *wakee,
struct task_struct *cur,
unsigned long flags, int pc);
-void trace_special(struct trace_array *tr,
- struct trace_array_cpu *data,
- unsigned long arg1,
- unsigned long arg2,
- unsigned long arg3, int pc);
void trace_function(struct trace_array *tr,
unsigned long ip,
unsigned long parent_ip,
@@ -398,8 +369,6 @@ extern cpumask_var_t __read_mostly tracing_buffer_mask;
#define for_each_tracing_cpu(cpu) \
for_each_cpu(cpu, tracing_buffer_mask)
-extern int process_new_ksym_entry(char *ksymname, int op, unsigned long addr);
-
extern unsigned long nsecs_to_usecs(unsigned long nsecs);
extern unsigned long tracing_thresh;
@@ -469,12 +438,8 @@ extern int trace_selftest_startup_nop(struct tracer *trace,
struct trace_array *tr);
extern int trace_selftest_startup_sched_switch(struct tracer *trace,
struct trace_array *tr);
-extern int trace_selftest_startup_sysprof(struct tracer *trace,
- struct trace_array *tr);
extern int trace_selftest_startup_branch(struct tracer *trace,
struct trace_array *tr);
-extern int trace_selftest_startup_ksym(struct tracer *trace,
- struct trace_array *tr);
#endif /* CONFIG_FTRACE_STARTUP_TEST */
extern void *head_page(struct trace_array_cpu *data);
@@ -636,6 +601,7 @@ enum trace_iterator_flags {
TRACE_ITER_LATENCY_FMT = 0x20000,
TRACE_ITER_SLEEP_TIME = 0x40000,
TRACE_ITER_GRAPH_TIME = 0x80000,
+ TRACE_ITER_RECORD_CMD = 0x100000,
};
/*
@@ -647,54 +613,6 @@ enum trace_iterator_flags {
extern struct tracer nop_trace;
-/**
- * ftrace_preempt_disable - disable preemption scheduler safe
- *
- * When tracing can happen inside the scheduler, there exists
- * cases that the tracing might happen before the need_resched
- * flag is checked. If this happens and the tracer calls
- * preempt_enable (after a disable), a schedule might take place
- * causing an infinite recursion.
- *
- * To prevent this, we read the need_resched flag before
- * disabling preemption. When we want to enable preemption we
- * check the flag, if it is set, then we call preempt_enable_no_resched.
- * Otherwise, we call preempt_enable.
- *
- * The rational for doing the above is that if need_resched is set
- * and we have yet to reschedule, we are either in an atomic location
- * (where we do not need to check for scheduling) or we are inside
- * the scheduler and do not want to resched.
- */
-static inline int ftrace_preempt_disable(void)
-{
- int resched;
-
- resched = need_resched();
- preempt_disable_notrace();
-
- return resched;
-}
-
-/**
- * ftrace_preempt_enable - enable preemption scheduler safe
- * @resched: the return value from ftrace_preempt_disable
- *
- * This is a scheduler safe way to enable preemption and not miss
- * any preemption checks. The disabled saved the state of preemption.
- * If resched is set, then we are either inside an atomic or
- * are inside the scheduler (we would have already scheduled
- * otherwise). In this case, we do not want to call normal
- * preempt_enable, but preempt_enable_no_resched instead.
- */
-static inline void ftrace_preempt_enable(int resched)
-{
- if (resched)
- preempt_enable_no_resched_notrace();
- else
- preempt_enable_notrace();
-}
-
#ifdef CONFIG_BRANCH_TRACER
extern int enable_branch_tracing(struct trace_array *tr);
extern void disable_branch_tracing(void);
@@ -785,6 +703,8 @@ struct filter_pred {
int pop_n;
};
+extern struct list_head ftrace_common_fields;
+
extern enum regex_type
filter_parse_regex(char *buff, int len, char **search, int *not);
extern void print_event_filter(struct ftrace_event_call *call,
@@ -814,6 +734,8 @@ filter_check_discard(struct ftrace_event_call *call, void *rec,
return 0;
}
+extern void trace_event_enable_cmd_record(bool enable);
+
extern struct mutex event_mutex;
extern struct list_head ftrace_events;