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    SubjectRe: [PATCH V7 01/25] perf header: Add AUX area tracing feature
    On Tue, Mar 31, 2015 at 02:38:30PM +0300, Adrian Hunter wrote:
    > Add a feature to indicate that a perf.data file
    > contains AUX area data.
    >
    > Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>

    Acked-by: Jiri Olsa <jolsa@kernel.org>

    > ---
    > 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 fb43215..c6739dd 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_auxtrace(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_auxtrace(struct perf_header *ph __maybe_unused,
    > + int fd __maybe_unused, FILE *fp)
    > +{
    > + fprintf(fp, "# contains AUX area data (e.g. instruction trace)\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_AUXTRACE, auxtrace),
    > };
    >
    > struct header_print_data {
    > diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
    > index 3bb90ac..d4d5796 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_AUXTRACE,
    > HEADER_LAST_FEATURE,
    > HEADER_FEAT_BITS = 256,
    > };
    > --
    > 1.9.1
    >


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