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-rw-r--r--kernel/trace/trace.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index eed732c151f..508235a39da 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -395,6 +395,8 @@ struct trace_seq {
unsigned int readpos;
};
+#define TRACE_PIPE_ALL_CPU -1
+
/*
* Trace iterator - used by printout routines who present trace
* results to users and which routines might sleep, etc:
@@ -404,6 +406,7 @@ struct trace_iterator {
struct tracer *trace;
void *private;
struct ring_buffer_iter *buffer_iter[NR_CPUS];
+ int cpu_file;
/* The below is zeroed out in pipe_read */
struct trace_seq seq;