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perf header: Add struct perf_session_env 

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>
This commit is contained in:
Namhyung Kim 2012-09-24 17:14:58 +09:00 committed by Arnaldo Carvalho de Melo
parent e0dcd6fb25
commit e93699b3c7
1 changed files with 24 additions and 0 deletions
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24
tools/perf/util/header.h
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@ -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;