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Message-Id: <1440494288-20448-4-git-send-email-kan.liang@intel.com>
Date:	Tue, 25 Aug 2015 05:18:04 -0400
From:	Kan Liang <kan.liang@...el.com>
To:	acme@...nel.org, jolsa@...nel.org
Cc:	a.p.zijlstra@...llo.nl, luto@...nel.org, mingo@...hat.com,
	eranian@...gle.com, ak@...ux.intel.com, mark.rutland@....com,
	adrian.hunter@...el.com, namhyung@...nel.org,
	linux-kernel@...r.kernel.org, Kan Liang <kan.liang@...el.com>
Subject: [PATCH V5 3/7] perf,tools: rename perf_session_env and add backpointer to evlist

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

Rename perf_session_env to perf_env.
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@...hat.com>
Signed-off-by: Kan Liang <kan.liang@...el.com>
---
 tools/perf/arch/common.c        |  4 ++--
 tools/perf/arch/common.h        |  2 +-
 tools/perf/ui/browser.h         |  4 ++--
 tools/perf/ui/browsers/header.c |  2 +-
 tools/perf/ui/browsers/hists.c  | 12 ++++++------
 tools/perf/util/evlist.h        |  1 +
 tools/perf/util/header.c        |  1 +
 tools/perf/util/header.h        |  4 ++--
 tools/perf/util/hist.h          |  4 ++--
 tools/perf/util/session.c       |  2 +-
 tools/perf/util/symbol.c        |  4 ++--
 tools/perf/util/symbol.h        |  4 ++--
 12 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c
index b7bb42c..b00dfd92 100644
--- a/tools/perf/arch/common.c
+++ b/tools/perf/arch/common.c
@@ -128,7 +128,7 @@ static const char *normalize_arch(char *arch)
 	return arch;
 }
 
-static int perf_session_env__lookup_binutils_path(struct perf_session_env *env,
+static int perf_session_env__lookup_binutils_path(struct perf_env *env,
 						  const char *name,
 						  const char **path)
 {
@@ -206,7 +206,7 @@ out_error:
 	return -1;
 }
 
-int perf_session_env__lookup_objdump(struct perf_session_env *env)
+int perf_session_env__lookup_objdump(struct perf_env *env)
 {
 	/*
 	 * For live mode, env->arch will be NULL and we can use
diff --git a/tools/perf/arch/common.h b/tools/perf/arch/common.h
index ede246e..20176df 100644
--- a/tools/perf/arch/common.h
+++ b/tools/perf/arch/common.h
@@ -5,6 +5,6 @@
 
 extern const char *objdump_path;
 
-int perf_session_env__lookup_objdump(struct perf_session_env *env);
+int perf_session_env__lookup_objdump(struct perf_env *env);
 
 #endif /* ARCH_PERF_COMMON_H */
diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h
index 52be871..f3cef56 100644
--- a/tools/perf/ui/browser.h
+++ b/tools/perf/ui/browser.h
@@ -61,8 +61,8 @@ int ui_browser__help_window(struct ui_browser *browser, const char *text);
 bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text);
 int ui_browser__input_window(const char *title, const char *text, char *input,
 			     const char *exit_msg, int delay_sec);
-struct perf_session_env;
-int tui__header_window(struct perf_session_env *env);
+struct perf_env;
+int tui__header_window(struct perf_env *env);
 
 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence);
 unsigned int ui_browser__argv_refresh(struct ui_browser *browser);
diff --git a/tools/perf/ui/browsers/header.c b/tools/perf/ui/browsers/header.c
index f106817..edbeaaf 100644
--- a/tools/perf/ui/browsers/header.c
+++ b/tools/perf/ui/browsers/header.c
@@ -91,7 +91,7 @@ static int ui__list_menu(int argc, char * const argv[])
 	return list_menu__run(&menu);
 }
 
-int tui__header_window(struct perf_session_env *env)
+int tui__header_window(struct perf_env *env)
 {
 	int i, argc = 0;
 	char **argv;
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 10c7ec0..cf86f2d 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -26,7 +26,7 @@ struct hist_browser {
 	struct map_symbol   *selection;
 	struct hist_browser_timer *hbt;
 	struct pstack	    *pstack;
-	struct perf_session_env *env;
+	struct perf_env *env;
 	int		     print_seq;
 	bool		     show_dso;
 	bool		     show_headers;
@@ -1214,7 +1214,7 @@ static int hist_browser__dump(struct hist_browser *browser)
 
 static struct hist_browser *hist_browser__new(struct hists *hists,
 					      struct hist_browser_timer *hbt,
-					      struct perf_session_env *env)
+					      struct perf_env *env)
 {
 	struct hist_browser *browser = zalloc(sizeof(*browser));
 
@@ -1695,7 +1695,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 				    bool left_exits,
 				    struct hist_browser_timer *hbt,
 				    float min_pcnt,
-				    struct perf_session_env *env)
+				    struct perf_env *env)
 {
 	struct hists *hists = evsel__hists(evsel);
 	struct hist_browser *browser = hist_browser__new(hists, hbt, env);
@@ -2016,7 +2016,7 @@ struct perf_evsel_menu {
 	struct perf_evsel *selection;
 	bool lost_events, lost_events_warned;
 	float min_pcnt;
-	struct perf_session_env *env;
+	struct perf_env *env;
 };
 
 static void perf_evsel_menu__write(struct ui_browser *browser,
@@ -2169,7 +2169,7 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
 					   int nr_entries, const char *help,
 					   struct hist_browser_timer *hbt,
 					   float min_pcnt,
-					   struct perf_session_env *env)
+					   struct perf_env *env)
 {
 	struct perf_evsel *pos;
 	struct perf_evsel_menu menu = {
@@ -2202,7 +2202,7 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
 				  struct hist_browser_timer *hbt,
 				  float min_pcnt,
-				  struct perf_session_env *env)
+				  struct perf_env *env)
 {
 	int nr_entries = evlist->nr_entries;
 
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 9db7c57..f67dab8 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2574,6 +2574,7 @@ 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);
 
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 275ca49..80f8205 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -72,7 +72,7 @@ enum perf_header_cpu_attr {
 	PERF_HEADER_CPU_ATTR_MAX,
 };
 
-struct perf_session_env {
+struct perf_env {
 	char			*hostname;
 	char			*os_release;
 	char			*version;
@@ -111,7 +111,7 @@ struct perf_header {
 	u64				data_size;
 	u64				feat_offset;
 	DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
-	struct perf_session_env 	env;
+	struct perf_env 	env;
 };
 
 struct perf_evlist;
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index bc528d5..de6d58e 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -313,7 +313,7 @@ int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
 				  struct hist_browser_timer *hbt,
 				  float min_pcnt,
-				  struct perf_session_env *env);
+				  struct perf_env *env);
 int script_browse(const char *script_opt);
 #else
 static inline
@@ -321,7 +321,7 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused,
 				  const char *help __maybe_unused,
 				  struct hist_browser_timer *hbt __maybe_unused,
 				  float min_pcnt __maybe_unused,
-				  struct perf_session_env *env __maybe_unused)
+				  struct perf_env *env __maybe_unused)
 {
 	return 0;
 }
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 18722e7..8a4537e 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -170,7 +170,7 @@ static void perf_session__delete_threads(struct perf_session *session)
 	machine__delete_threads(&session->machines.host);
 }
 
-static void perf_session_env__exit(struct perf_session_env *env)
+static void perf_session_env__exit(struct perf_env *env)
 {
 	zfree(&env->hostname);
 	zfree(&env->os_release);
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 725640f..f14c06e 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1843,7 +1843,7 @@ static void vmlinux_path__exit(void)
 	zfree(&vmlinux_path);
 }
 
-static int vmlinux_path__init(struct perf_session_env *env)
+static int vmlinux_path__init(struct perf_env *env)
 {
 	struct utsname uts;
 	char bf[PATH_MAX];
@@ -1954,7 +1954,7 @@ static bool symbol__read_kptr_restrict(void)
 	return value;
 }
 
-int symbol__init(struct perf_session_env *env)
+int symbol__init(struct perf_env *env)
 {
 	const char *symfs;
 
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index a4cde92..440ba8a 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -252,8 +252,8 @@ int modules__parse(const char *filename, void *arg,
 int filename__read_debuglink(const char *filename, char *debuglink,
 			     size_t size);
 
-struct perf_session_env;
-int symbol__init(struct perf_session_env *env);
+struct perf_env;
+int symbol__init(struct perf_env *env);
 void symbol__exit(void);
 void symbol__elf_init(void);
 struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name);
-- 
1.8.3.1

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