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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2015-05-13 13:44:36 -0400
committerSteven Rostedt <rostedt@goodmis.org>2015-05-13 14:06:42 -0400
commit609a74045238c303bbe9396775eacf5bac1f51cc (patch)
treef63a3f751c0e6195dc1f3a0aded60e27d44fead7
parent892c505aac2bdded3c8ec2ec27abc6d74fd210f5 (diff)
tracing: Rename FTRACE_MAX_EVENT to TRACE_EVENT_TYPE_MAX
The name "ftrace" really refers to the function hook infrastructure. It is not about the trace_events. Rename the max trace_event type size to something more descriptive and appropriate. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
-rw-r--r--include/linux/trace_events.h2
-rw-r--r--kernel/trace/trace_output.c4
-rw-r--r--tools/perf/util/scripting-engines/trace-event-perl.c4
-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c4
4 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 12ca46322a94..6f28464be418 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -68,7 +68,7 @@ struct trace_entry {
int pid;
};
-#define FTRACE_MAX_EVENT \
+#define TRACE_EVENT_TYPE_MAX \
((1 << (sizeof(((struct trace_entry *)0)->type) * 8)) - 1)
/*
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index d1a2feb54d06..74dfe2e01d68 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -675,7 +675,7 @@ static int trace_search_list(struct list_head **list)
}
/* Did we used up all 65 thousand events??? */
- if ((last + 1) > FTRACE_MAX_EVENT)
+ if ((last + 1) > TRACE_EVENT_TYPE_MAX)
return 0;
*list = &e->list;
@@ -725,7 +725,7 @@ int register_trace_event(struct trace_event *event)
if (!event->type) {
struct list_head *list = NULL;
- if (next_event_type > FTRACE_MAX_EVENT) {
+ if (next_event_type > TRACE_EVENT_TYPE_MAX) {
event->type = trace_search_list(&list);
if (!event->type)
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 430b5d27828e..1bd593bbf7a5 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -55,10 +55,10 @@ void xs_init(pTHX)
INTERP my_perl;
-#define FTRACE_MAX_EVENT \
+#define TRACE_EVENT_TYPE_MAX \
((1 << (sizeof(unsigned short) * 8)) - 1)
-static DECLARE_BITMAP(events_defined, FTRACE_MAX_EVENT);
+static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
extern struct scripting_context *scripting_context;
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 5544b8cdd1ee..ace2484985cb 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -44,10 +44,10 @@
PyMODINIT_FUNC initperf_trace_context(void);
-#define FTRACE_MAX_EVENT \
+#define TRACE_EVENT_TYPE_MAX \
((1 << (sizeof(unsigned short) * 8)) - 1)
-static DECLARE_BITMAP(events_defined, FTRACE_MAX_EVENT);
+static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
#define MAX_FIELDS 64
#define N_COMMON_FIELDS 7