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    Subject[PATCH V5 01/25] perf header: Add Instruction Tracing feature
    Date
    Add a feature to indicate that a perf.data file
    contains Instruction Tracing data.

    Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
    ---
    tools/perf/util/header.c | 14 ++++++++++++++
    tools/perf/util/header.h | 1 +
    2 files changed, 15 insertions(+)

    diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
    index 1f407f7..7e070a4 100644
    --- a/tools/perf/util/header.c
    +++ b/tools/perf/util/header.c
    @@ -869,6 +869,13 @@ static int write_branch_stack(int fd __maybe_unused,
    return 0;
    }

    +static int write_itrace(int fd __maybe_unused,
    + struct perf_header *h __maybe_unused,
    + struct perf_evlist *evlist __maybe_unused)
    +{
    + return 0;
    +}
    +
    static void print_hostname(struct perf_header *ph, int fd __maybe_unused,
    FILE *fp)
    {
    @@ -1163,6 +1170,12 @@ static void print_branch_stack(struct perf_header *ph __maybe_unused,
    fprintf(fp, "# contains samples with branch stack\n");
    }

    +static void print_itrace(struct perf_header *ph __maybe_unused,
    + int fd __maybe_unused, FILE *fp)
    +{
    + fprintf(fp, "# contains Instruction Traces\n");
    +}
    +
    static void print_pmu_mappings(struct perf_header *ph, int fd __maybe_unused,
    FILE *fp)
    {
    @@ -1873,6 +1886,7 @@ static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
    FEAT_OPA(HEADER_BRANCH_STACK, branch_stack),
    FEAT_OPP(HEADER_PMU_MAPPINGS, pmu_mappings),
    FEAT_OPP(HEADER_GROUP_DESC, group_desc),
    + FEAT_OPA(HEADER_ITRACE, itrace),
    };

    struct header_print_data {
    diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
    index 3bb90ac..990edcf 100644
    --- a/tools/perf/util/header.h
    +++ b/tools/perf/util/header.h
    @@ -30,6 +30,7 @@ enum {
    HEADER_BRANCH_STACK,
    HEADER_PMU_MAPPINGS,
    HEADER_GROUP_DESC,
    + HEADER_ITRACE,
    HEADER_LAST_FEATURE,
    HEADER_FEAT_BITS = 256,
    };
    --
    1.9.1


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