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Merge branches 'tracing/blktrace', 'tracing/ftrace', 'tracing/function-graph-tracer' and 'tracing/power-tracer' into tracing/core

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This commit is contained in:
Ingo Molnar
2008-11-27 10:56:13 +01:00
parent 0bfc24559d d144d5ee6a 437f24fb89 f3f47a6768
commit c7cc773076
24 changed files with 1055 additions and 274 deletions
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42
kernel/trace/trace.h
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@@ -25,9 +25,11 @@ enum trace_type {
TRACE_BRANCH,
TRACE_BOOT_CALL,
TRACE_BOOT_RET,
TRACE_FN_RET,
TRACE_GRAPH_RET,
TRACE_GRAPH_ENT,
TRACE_USER_STACK,
TRACE_BTS,
TRACE_POWER,
__TRACE_LAST_TYPE
};
@@ -56,14 +58,16 @@ struct ftrace_entry {
unsigned long parent_ip;
};
/* Function call entry */
struct ftrace_graph_ent_entry {
struct trace_entry ent;
struct ftrace_graph_ent graph_ent;
};
/* Function return entry */
struct ftrace_ret_entry {
struct trace_entry ent;
unsigned long ip;
unsigned long parent_ip;
unsigned long long calltime;
unsigned long long rettime;
unsigned long overrun;
struct ftrace_graph_ret_entry {
struct trace_entry ent;
struct ftrace_graph_ret ret;
};
extern struct tracer boot_tracer;
@@ -160,6 +164,11 @@ struct bts_entry {
unsigned long to;
};
struct trace_power {
struct trace_entry ent;
struct power_trace state_data;
};
/*
* trace_flag_type is an enumeration that holds different
* states when a trace occurs. These are:
@@ -264,8 +273,12 @@ extern void __ftrace_bad_type(void);
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_ret_entry, TRACE_FN_RET);\
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 bts_entry, TRACE_BTS);\
IF_ASSIGN(var, ent, struct trace_power, TRACE_POWER); \
__ftrace_bad_type(); \
} while (0)
@@ -397,9 +410,9 @@ void trace_function(struct trace_array *tr,
unsigned long ip,
unsigned long parent_ip,
unsigned long flags, int pc);
void
trace_function_return(struct ftrace_retfunc *trace);
void trace_graph_return(struct ftrace_graph_ret *trace);
void trace_graph_entry(struct ftrace_graph_ent *trace);
void trace_bts(struct trace_array *tr,
unsigned long from,
unsigned long to);
@@ -444,6 +457,7 @@ struct tracer_switch_ops {
struct tracer_switch_ops *next;
};
char *trace_find_cmdline(int pid);
#endif /* CONFIG_CONTEXT_SWITCH_TRACER */
#ifdef CONFIG_DYNAMIC_FTRACE
@@ -489,11 +503,11 @@ extern int trace_vprintk(unsigned long ip, const char *fmt, va_list args);
extern unsigned long trace_flags;
/* Standard output formatting function used for function return traces */
#ifdef CONFIG_FUNCTION_RET_TRACER
extern enum print_line_t print_return_function(struct trace_iterator *iter);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
extern enum print_line_t print_graph_function(struct trace_iterator *iter);
#else
static inline enum print_line_t
print_return_function(struct trace_iterator *iter)
print_graph_function(struct trace_iterator *iter)
{
return TRACE_TYPE_UNHANDLED;
}