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Groups > linux.kernel > #1215453

[PATCH V7 4/8] perf,tools: add backpointer for perf_env to evlist

From Kan Liang <kan.liang@intel.com>
Newsgroups linux.kernel
Subject [PATCH V7 4/8] perf,tools: add backpointer for perf_env to evlist
Date 2015-08-28 19:10 +0200
Message-ID <q2vk6-16k-13@gated-at.bofh.it> (permalink)
References <q2vk5-16k-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Kan Liang <kan.liang@intel.com>

Add backpointer to 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>
---
 tools/perf/util/evlist.h | 1 +
 tools/perf/util/header.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 436e358..b39a619 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -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 {
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 8df0582..c3c79cb 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2576,6 +2576,7 @@ 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);
 
-- 
1.8.3.1

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Thread

[PATCH V7 0/8] Freq/CPU%/CORE_BUSY% support Kan Liang <kan.liang@intel.com> - 2015-08-28 19:10 +0200
  [PATCH V7 4/8] perf,tools: add backpointer for perf_env to evlist Kan Liang <kan.liang@intel.com> - 2015-08-28 19:10 +0200
    Re: [PATCH V7 4/8] perf,tools: add backpointer for perf_env to evlist Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-08-28 19:50 +0200
    [tip:perf/core] perf evlist:   Add backpointer for perf_env to evlist tip-bot for Kan Liang <tipbot@zytor.com> - 2015-08-31 10:40 +0200
  [PATCH V7 6/8] perf,tools: Dump per-sample freq/CPU%/CORE_BUSY% in report -D Kan Liang <kan.liang@intel.com> - 2015-08-28 19:10 +0200
    Re: [PATCH V7 6/8] perf,tools: Dump per-sample freq/CPU%/CORE_BUSY%  in report -D Jiri Olsa <jolsa@redhat.com> - 2015-08-31 13:20 +0200
      RE: [PATCH V7 6/8] perf,tools: Dump per-sample freq/CPU%/CORE_BUSY%  in report -D "Liang, Kan" <kan.liang@intel.com> - 2015-08-31 21:20 +0200
    Re: [PATCH V7 6/8] perf,tools: Dump per-sample freq/CPU%/CORE_BUSY%  in report -D Jiri Olsa <jolsa@redhat.com> - 2015-08-31 13:20 +0200
      Re: [PATCH V7 6/8] perf,tools: Dump per-sample freq/CPU%/CORE_BUSY%  in report -D Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-08-31 22:40 +0200
  [PATCH V7 3/8] perf,tools: rename perf_session_env to perf_env Kan Liang <kan.liang@intel.com> - 2015-08-28 19:10 +0200
    Re: [PATCH V7 3/8] perf,tools: rename perf_session_env to perf_env Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-08-28 19:50 +0200
    [tip:perf/core] perf tools: Rename perf_session_env to perf_env tip-bot for Kan Liang <tipbot@zytor.com> - 2015-08-31 10:40 +0200
  [PATCH V7 5/8] perf evsel: Add a backpointer to the evlist a evsel is in Kan Liang <kan.liang@intel.com> - 2015-08-28 19:10 +0200
    Re: [PATCH V7 5/8] perf evsel: Add a backpointer to the evlist a  evsel is in Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-08-28 19:50 +0200
  [PATCH V7 8/8] perf,tools: Show freq/CPU%/CORE_BUSY% in perf report --stdio Kan Liang <kan.liang@intel.com> - 2015-08-28 19:10 +0200
  [PATCH V7 1/8] perf,tools: introduce generic FEAT for CPU attributes Kan Liang <kan.liang@intel.com> - 2015-08-28 19:10 +0200
    Re: [PATCH V7 1/8] perf,tools: introduce generic FEAT for CPU  attributes Jiri Olsa <jolsa@redhat.com> - 2015-08-31 11:50 +0200

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