Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[safe/jmp/linux-2.6] / include / trace / ftrace.h

diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index f23a0ca..0804cd5 100644 (file)
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -376,7 +376,7 @@ static inline notrace int ftrace_get_offsets_##call(                        \
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
-#ifdef CONFIG_EVENT_PROFILE
+#ifdef CONFIG_PERF_EVENTS
 
 /*
  * Generate the functions needed for tracepoint perf_event support.
@@ -421,7 +421,7 @@ ftrace_profile_disable_##name(struct ftrace_event_call *unused)             \
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
-#endif
+#endif /* CONFIG_PERF_EVENTS */
 
 /*
  * Stage 4 of the trace events.
@@ -505,7 +505,7 @@ ftrace_profile_disable_##name(struct ftrace_event_call *unused)             \
  *
  */
 
-#ifdef CONFIG_EVENT_PROFILE
+#ifdef CONFIG_PERF_EVENTS
 
 #define _TRACE_PROFILE_INIT(call)                                      \
        .profile_enable = ftrace_profile_enable_##call,                 \
@@ -513,7 +513,7 @@ ftrace_profile_disable_##name(struct ftrace_event_call *unused)             \
 
 #else
 #define _TRACE_PROFILE_INIT(call)
-#endif
+#endif /* CONFIG_PERF_EVENTS */
 
 #undef __entry
 #define __entry entry
@@ -736,7 +736,7 @@ __attribute__((section("_ftrace_events"))) event_##call = {         \
  * }
  */
 
-#ifdef CONFIG_EVENT_PROFILE
+#ifdef CONFIG_PERF_EVENTS
 
 #undef __entry
 #define __entry entry
@@ -761,22 +761,12 @@ ftrace_profile_templ_##call(struct ftrace_event_call *event_call, \
                            proto)                                      \
 {                                                                      \
        struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
-       extern int perf_swevent_get_recursion_context(void);            \
-       extern void perf_swevent_put_recursion_context(int rctx);       \
-       extern void perf_tp_event(int, u64, u64, void *, int);          \
        struct ftrace_raw_##call *entry;                                \
        u64 __addr = 0, __count = 1;                                    \
        unsigned long irq_flags;                                        \
-       struct trace_entry *ent;                                        \
        int __entry_size;                                               \
        int __data_size;                                                \
-       char *trace_buf;                                                \
-       char *raw_data;                                                 \
-       int __cpu;                                                      \
        int rctx;                                                       \
-       int pc;                                                         \
-                                                                       \
-       pc = preempt_count();                                           \
                                                                        \
        __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
        __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
@@ -786,42 +776,16 @@ ftrace_profile_templ_##call(struct ftrace_event_call *event_call, \
        if (WARN_ONCE(__entry_size > FTRACE_MAX_PROFILE_SIZE,           \
                      "profile buffer not large enough"))               \
                return;                                                 \
-                                                                       \
-       local_irq_save(irq_flags);                                      \
-                                                                       \
-       rctx = perf_swevent_get_recursion_context();                    \
-       if (rctx < 0)                                                   \
-               goto end_recursion;                                     \
-                                                                       \
-       __cpu = smp_processor_id();                                     \
-                                                                       \
-       if (in_nmi())                                                   \
-               trace_buf = rcu_dereference(perf_trace_buf_nmi);        \
-       else                                                            \
-               trace_buf = rcu_dereference(perf_trace_buf);            \
-                                                                       \
-       if (!trace_buf)                                                 \
-               goto end;                                               \
-                                                                       \
-       raw_data = per_cpu_ptr(trace_buf, __cpu);                       \
-                                                                       \
-       *(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL;         \
-       entry = (struct ftrace_raw_##call *)raw_data;                   \
-       ent = &entry->ent;                                              \
-       tracing_generic_entry_update(ent, irq_flags, pc);               \
-       ent->type = event_call->id;                                     \
-                                                                       \
+       entry = (struct ftrace_raw_##call *)ftrace_perf_buf_prepare(    \
+               __entry_size, event_call->id, &rctx, &irq_flags);       \
+       if (!entry)                                                     \
+               return;                                                 \
        tstruct                                                         \
                                                                        \
        { assign; }                                                     \
                                                                        \
-       perf_tp_event(event_call->id, __addr, __count, entry,           \
-                            __entry_size);                             \
-                                                                       \
-end:                                                                   \
-       perf_swevent_put_recursion_context(rctx);                       \
-end_recursion:                                                         \
-       local_irq_restore(irq_flags);                                   \
+       ftrace_perf_buf_submit(entry, __entry_size, rctx, __addr,       \
+                              __count, irq_flags);                     \
 }
 
 #undef DEFINE_EVENT
@@ -838,7 +802,7 @@ static notrace void ftrace_profile_##call(proto)            \
        DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-#endif /* CONFIG_EVENT_PROFILE */
+#endif /* CONFIG_PERF_EVENTS */
 
 #undef _TRACE_PROFILE_INIT