Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
This commit is contained in:
commit
9fb67204d7
@ -225,6 +225,10 @@ enum {
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FILTER_PTR_STRING,
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};
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#define EVENT_STORAGE_SIZE 128
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extern struct mutex event_storage_mutex;
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extern char event_storage[EVENT_STORAGE_SIZE];
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extern int trace_event_raw_init(struct ftrace_event_call *call);
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extern int trace_define_field(struct ftrace_event_call *call, const char *type,
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const char *name, int offset, int size,
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@ -106,6 +106,7 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
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#define TP_PROTO(args...) args
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#define TP_ARGS(args...) args
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#define TP_CONDITION(args...) args
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#ifdef CONFIG_TRACEPOINTS
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@ -119,12 +120,14 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
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* as "(void *, void)". The DECLARE_TRACE_NOARGS() will pass in just
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* "void *data", where as the DECLARE_TRACE() will pass in "void *data, proto".
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*/
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#define __DO_TRACE(tp, proto, args) \
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#define __DO_TRACE(tp, proto, args, cond) \
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do { \
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struct tracepoint_func *it_func_ptr; \
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void *it_func; \
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void *__data; \
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\
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if (!(cond)) \
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return; \
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rcu_read_lock_sched_notrace(); \
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it_func_ptr = rcu_dereference_sched((tp)->funcs); \
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if (it_func_ptr) { \
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@ -142,7 +145,7 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
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* not add unwanted padding between the beginning of the section and the
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* structure. Force alignment to the same alignment as the section start.
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*/
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#define __DECLARE_TRACE(name, proto, args, data_proto, data_args) \
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#define __DECLARE_TRACE(name, proto, args, cond, data_proto, data_args) \
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extern struct tracepoint __tracepoint_##name; \
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static inline void trace_##name(proto) \
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{ \
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@ -151,7 +154,8 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
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do_trace: \
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__DO_TRACE(&__tracepoint_##name, \
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TP_PROTO(data_proto), \
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TP_ARGS(data_args)); \
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TP_ARGS(data_args), \
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TP_CONDITION(cond)); \
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} \
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static inline int \
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register_trace_##name(void (*probe)(data_proto), void *data) \
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@ -186,7 +190,7 @@ do_trace: \
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EXPORT_SYMBOL(__tracepoint_##name)
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#else /* !CONFIG_TRACEPOINTS */
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#define __DECLARE_TRACE(name, proto, args, data_proto, data_args) \
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#define __DECLARE_TRACE(name, proto, args, cond, data_proto, data_args) \
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static inline void trace_##name(proto) \
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{ } \
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static inline int \
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@ -227,13 +231,18 @@ do_trace: \
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* "void *__data, proto" as the callback prototype.
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*/
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#define DECLARE_TRACE_NOARGS(name) \
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__DECLARE_TRACE(name, void, , void *__data, __data)
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__DECLARE_TRACE(name, void, , 1, void *__data, __data)
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#define DECLARE_TRACE(name, proto, args) \
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__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
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__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \
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PARAMS(void *__data, proto), \
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PARAMS(__data, args))
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#define DECLARE_TRACE_CONDITION(name, proto, args, cond) \
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__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), PARAMS(cond), \
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PARAMS(void *__data, proto), \
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PARAMS(__data, args))
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#define TRACE_EVENT_FLAGS(event, flag)
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#endif /* DECLARE_TRACE */
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@ -349,12 +358,20 @@ do_trace: \
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DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
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#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
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DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
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#define DEFINE_EVENT_CONDITION(template, name, proto, \
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args, cond) \
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DECLARE_TRACE_CONDITION(name, PARAMS(proto), \
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PARAMS(args), PARAMS(cond))
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#define TRACE_EVENT(name, proto, args, struct, assign, print) \
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DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
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#define TRACE_EVENT_FN(name, proto, args, struct, \
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assign, print, reg, unreg) \
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DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
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#define TRACE_EVENT_CONDITION(name, proto, args, cond, \
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struct, assign, print) \
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DECLARE_TRACE_CONDITION(name, PARAMS(proto), \
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PARAMS(args), PARAMS(cond))
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#define TRACE_EVENT_FLAGS(event, flag)
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@ -26,6 +26,15 @@
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#define TRACE_EVENT(name, proto, args, tstruct, assign, print) \
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DEFINE_TRACE(name)
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#undef TRACE_EVENT_CONDITION
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#define TRACE_EVENT_CONDITION(name, proto, args, cond, tstruct, assign, print) \
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TRACE_EVENT(name, \
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PARAMS(proto), \
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PARAMS(args), \
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PARAMS(tstruct), \
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PARAMS(assign), \
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PARAMS(print))
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#undef TRACE_EVENT_FN
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#define TRACE_EVENT_FN(name, proto, args, tstruct, \
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assign, print, reg, unreg) \
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@ -39,6 +48,10 @@
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#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
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DEFINE_TRACE(name)
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#undef DEFINE_EVENT_CONDITION
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#define DEFINE_EVENT_CONDITION(template, name, proto, args, cond) \
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DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
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#undef DECLARE_TRACE
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#define DECLARE_TRACE(name, proto, args) \
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DEFINE_TRACE(name)
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@ -75,9 +88,11 @@
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#undef TRACE_EVENT
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#undef TRACE_EVENT_FN
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#undef TRACE_EVENT_CONDITION
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#undef DECLARE_EVENT_CLASS
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#undef DEFINE_EVENT
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#undef DEFINE_EVENT_PRINT
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#undef DEFINE_EVENT_CONDITION
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#undef TRACE_HEADER_MULTI_READ
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#undef DECLARE_TRACE
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@ -296,13 +296,19 @@ static struct trace_event_functions ftrace_event_type_funcs_##call = { \
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#undef __array
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#define __array(type, item, len) \
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BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \
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ret = trace_define_field(event_call, #type "[" #len "]", #item, \
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do { \
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mutex_lock(&event_storage_mutex); \
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BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \
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snprintf(event_storage, sizeof(event_storage), \
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"%s[%d]", #type, len); \
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ret = trace_define_field(event_call, event_storage, #item, \
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offsetof(typeof(field), item), \
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sizeof(field.item), \
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is_signed_type(type), FILTER_OTHER); \
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if (ret) \
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return ret;
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mutex_unlock(&event_storage_mutex); \
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if (ret) \
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return ret; \
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} while (0);
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#undef __dynamic_array
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#define __dynamic_array(type, item, len) \
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@ -27,6 +27,12 @@
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DEFINE_MUTEX(event_mutex);
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DEFINE_MUTEX(event_storage_mutex);
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EXPORT_SYMBOL_GPL(event_storage_mutex);
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char event_storage[EVENT_STORAGE_SIZE];
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EXPORT_SYMBOL_GPL(event_storage);
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LIST_HEAD(ftrace_events);
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LIST_HEAD(ftrace_common_fields);
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@ -83,13 +83,19 @@ static void __always_unused ____ftrace_check_##name(void) \
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#undef __array
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#define __array(type, item, len) \
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BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \
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ret = trace_define_field(event_call, #type "[" #len "]", #item, \
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do { \
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BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \
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mutex_lock(&event_storage_mutex); \
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snprintf(event_storage, sizeof(event_storage), \
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"%s[%d]", #type, len); \
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ret = trace_define_field(event_call, event_storage, #item, \
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offsetof(typeof(field), item), \
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sizeof(field.item), \
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is_signed_type(type), FILTER_OTHER); \
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if (ret) \
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return ret;
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mutex_unlock(&event_storage_mutex); \
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if (ret) \
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return ret; \
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} while (0);
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#undef __array_desc
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#define __array_desc(type, container, item, len) \
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@ -214,17 +214,22 @@ ifdef BUILD_C_RECORDMCOUNT
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# The empty.o file is created in the make process in order to determine
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# the target endianness and word size. It is made before all other C
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# files, including recordmcount.
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cmd_record_mcount = if [ $(@) != "scripts/mod/empty.o" ]; then \
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$(objtree)/scripts/recordmcount "$(@)"; \
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fi;
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sub_cmd_record_mcount = \
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if [ $(@) != "scripts/mod/empty.o" ]; then \
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$(objtree)/scripts/recordmcount "$(@)"; \
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fi;
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else
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cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
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sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
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"$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
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"$(if $(CONFIG_64BIT),64,32)" \
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"$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \
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"$(LD)" "$(NM)" "$(RM)" "$(MV)" \
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"$(if $(part-of-module),1,0)" "$(@)";
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endif
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cmd_record_mcount = \
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if [ "$(findstring -pg,$(_c_flags))" = "-pg" ]; then \
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$(sub_cmd_record_mcount) \
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fi;
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endif
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define rule_cc_o_c
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