Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core

Pull ftrace updates from Steve Rostedt.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

4 files changed, 24 insertions, 73 deletions

diff --git a/include/asm-generic/trace_clock.h b/include/asm-generic/trace_clock.h
new file mode 100644
index 000000000000..6726f1bafb5e
--- /dev/null
+++ b/include/asm-generic/trace_clock.h
@@ -0,0 +1,16 @@
+#ifndef _ASM_GENERIC_TRACE_CLOCK_H
+#define _ASM_GENERIC_TRACE_CLOCK_H
+/*
+ * Arch-specific trace clocks.
+ */
+
+/*
+ * Additional trace clocks added to the trace_clocks
+ * array in kernel/trace/trace.c
+ * None if the architecture has not defined it.
+ */
+#ifndef ARCH_TRACE_CLOCKS
+# define ARCH_TRACE_CLOCKS
+#endif
+
+#endif  /* _ASM_GENERIC_TRACE_CLOCK_H */
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index b80c8ddfbbdc..a3d489531d83 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -86,6 +86,12 @@ struct trace_iterator {
         cpumask_var_t           started;
 };
 
+enum trace_iter_flags {
+        TRACE_FILE_LAT_FMT      = 1,
+        TRACE_FILE_ANNOTATE     = 2,
+        TRACE_FILE_TIME_IN_NS   = 4,
+};
+
 
 struct trace_event;
 
diff --git a/include/linux/trace_clock.h b/include/linux/trace_clock.h
index 4eb490237d4c..d563f37e1a1d 100644
--- a/include/linux/trace_clock.h
+++ b/include/linux/trace_clock.h
@@ -12,6 +12,8 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 
+#include <asm/trace_clock.h>
+
 extern u64 notrace trace_clock_local(void);
 extern u64 notrace trace_clock(void);
 extern u64 notrace trace_clock_global(void);
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 698f2a890322..40dc5e8fe340 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -619,79 +619,6 @@ __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
-/*
- * Define the insertion callback to perf events
- *
- * The job is very similar to ftrace_raw_event_<call> except that we don't
- * insert in the ring buffer but in a perf counter.
- *
- * static void ftrace_perf_<call>(proto)
- * {
- *      struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
- *      struct ftrace_event_call *event_call = &event_<call>;
- *      extern void perf_tp_event(int, u64, u64, void *, int);
- *      struct ftrace_raw_##call *entry;
- *      struct perf_trace_buf *trace_buf;
- *      u64 __addr = 0, __count = 1;
- *      unsigned long irq_flags;
- *      struct trace_entry *ent;
- *      int __entry_size;
- *      int __data_size;
- *      int __cpu
- *      int pc;
- *
- *      pc = preempt_count();
- *
- *      __data_size = ftrace_get_offsets_<call>(&__data_offsets, args);
- *
- *      // Below we want to get the aligned size by taking into account
- *      // the u32 field that will later store the buffer size
- *      __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),
- *                           sizeof(u64));
- *      __entry_size -= sizeof(u32);
- *
- *      // Protect the non nmi buffer
- *      // This also protects the rcu read side
- *      local_irq_save(irq_flags);
- *      __cpu = smp_processor_id();
- *
- *      if (in_nmi())
- *              trace_buf = rcu_dereference_sched(perf_trace_buf_nmi);
- *      else
- *              trace_buf = rcu_dereference_sched(perf_trace_buf);
- *
- *      if (!trace_buf)
- *              goto end;
- *
- *      trace_buf = per_cpu_ptr(trace_buf, __cpu);
- *
- *      // Avoid recursion from perf that could mess up the buffer
- *      if (trace_buf->recursion++)
- *              goto end_recursion;
- *
- *      raw_data = trace_buf->buf;
- *
- *      // Make recursion update visible before entering perf_tp_event
- *      // so that we protect from perf recursions.
- *
- *      barrier();
- *
- *      //zero dead bytes from alignment to avoid stack leak to userspace:
- *      *(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;
- *
- *      <tstruct> <- do some jobs with dynamic arrays
- *
- *      <assign>  <- affect our values
- *
- *      perf_tp_event(event_call->id, __addr, __count, entry,
- *                   __entry_size);  <- submit them to perf counter
- *
- * }
- */
 
 #ifdef CONFIG_PERF_EVENTS