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perf_counter tools: Add a data file header

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Add a data file header so we can transfer data between record and report.

LKML-Reference: <new-submission>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra
2009-06-18 23:22:55 +02:00
committed by Ingo Molnar
parent 2a0a50fe9d
commit f5970550d5
3 changed files with 73 additions and 43 deletions
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6
tools/perf/perf.h
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@ -65,4 +65,10 @@ sys_perf_counter_open(struct perf_counter_attr *attr,
#define MAX_COUNTERS 256
#define MAX_NR_CPUS 256
struct perf_file_header {
__u64 version;
__u64 sample_type;
__u64 data_size;
};
#endif