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perf evlist: Add backpointer for perf_env to evlist 

Add backpointer to perf_env in evlist, so we can easily access env when
processing something where we have a evsel or evlist.

Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Kan Liang <kan.liang@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1440755289-30939-5-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Kan Liang 2015-08-28 05:48:05 -04:00 committed by Arnaldo Carvalho de Melo
parent ce80d3bef9
commit 2c07144dfc
2 changed files with 2 additions and 0 deletions
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1
tools/perf/util/evlist.h
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@ -56,6 +56,7 @@ struct perf_evlist {
struct cpu_map *cpus;
struct perf_evsel *selected;
struct events_stats stats;
struct perf_env *env;
};
struct perf_evsel_str_handler {

1
tools/perf/util/header.c
View File

@ -2514,6 +2514,7 @@ int perf_session__read_header(struct perf_session *session)
if (session->evlist == NULL)
return -ENOMEM;
session->evlist->env = &header->env;
if (perf_data_file__is_pipe(file))
return perf_header__read_pipe(session);