[PATCH 1/6] perf header: Add struct perf_session_env

Namhyung Kim
2012-09-24T08:23:36Z

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>
---
tools/perf/util/header.h | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 58de08b21bce..5867c7d74f97 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;
--
1.7.11.4