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    Subject[PATCH 11/30] perf header: Add struct perf_session_env
    Date
    From: Namhyung Kim <namhyung.kim@lge.com>

    The struct perf_session_env will preserve environment information at the
    time of perf record. It can be accessed anytime after parsing a
    perf.data file if needed.

    Signed-off-by: Namhyung Kim <namhyung@kernel.org>
    Cc: David Ahern <dsahern@gmail.com>
    Cc: Ingo Molnar <mingo@kernel.org>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Cc: Stephane Eranian <eranian@google.com>
    Link: http://lkml.kernel.org/r/1348474503-15070-2-git-send-email-namhyung@kernel.org
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/util/header.h | 24 ++++++++++++++++++++++++
    1 files changed, 24 insertions(+), 0 deletions(-)

    diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
    index 58de08b..5867c7d 100644
    --- a/tools/perf/util/header.h
    +++ b/tools/perf/util/header.h
    @@ -58,6 +58,29 @@ struct perf_header;
    int perf_file_header__read(struct perf_file_header *header,
    struct perf_header *ph, int fd);

    +struct perf_session_env {
    + char *hostname;
    + char *os_release;
    + char *version;
    + char *arch;
    + int nr_cpus_online;
    + int nr_cpus_avail;
    + char *cpu_desc;
    + char *cpuid;
    + unsigned long long total_mem;
    +
    + int nr_cmdline;
    + char *cmdline;
    + int nr_sibling_cores;
    + char *sibling_cores;
    + int nr_sibling_threads;
    + char *sibling_threads;
    + int nr_numa_nodes;
    + char *numa_nodes;
    + int nr_pmu_mappings;
    + char *pmu_mappings;
    +};
    +
    struct perf_header {
    int frozen;
    bool needs_swap;
    @@ -67,6 +90,7 @@ struct perf_header {
    u64 event_offset;
    u64 event_size;
    DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
    + struct perf_session_env env;
    };

    struct perf_evlist;
    --
    1.7.1


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