libperf: Get rid of attr.id field
Now there's no in-tree user of the field. To remove the possible bug later, let's get rid of the 'id' field and add a comment for that. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20230825152552.112913-4-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -148,7 +148,13 @@ struct perf_record_switch {
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struct perf_record_header_attr {
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struct perf_event_header header;
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struct perf_event_attr attr;
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__u64 id[];
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/*
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* Array of u64 id follows here but we cannot use a flexible array
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* because size of attr in the data can be different then current
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* version. Please use perf_record_header_attr_id() below.
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*
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* __u64 id[]; // do not use this
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*/
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};
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/* Returns the pointer to id array based on the actual attr size. */
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