linux-kernel - [tip:perf/core] perf machine: Introduce machine__findnew

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Message-ID: <tip-fv3tshv5o1413coh147lszjc@git.kernel.org>
Date:	Fri, 29 May 2015 11:38:09 -0700
From:	tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	namhyung@...nel.org, acme@...hat.com, linux-kernel@...r.kernel.org,
	jolsa@...hat.com, dsahern@...il.com, tglx@...utronix.de,
	adrian.hunter@...el.com, mingo@...nel.org, hpa@...or.com
Subject: [tip:perf/core] perf machine: Introduce machine__findnew_dso()
  method

Commit-ID:  aa7cc2ae5ae69aff555793fbfcff514141bb23f3
Gitweb:     http://git.kernel.org/tip/aa7cc2ae5ae69aff555793fbfcff514141bb23f3
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Fri, 29 May 2015 11:31:12 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 29 May 2015 12:43:44 -0300

perf machine: Introduce machine__findnew_dso() method

Similar to machine__findnew_thread(), also prepping for refcounting and
locking, this time for struct dso instances.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: http://lkml.kernel.org/n/tip-fv3tshv5o1413coh147lszjc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/tests/hists_common.c | 3 +--
 tools/perf/util/dso.c           | 2 +-
 tools/perf/util/header.c        | 2 +-
 tools/perf/util/machine.c       | 7 ++++++-
 tools/perf/util/machine.h       | 2 ++
 tools/perf/util/map.c           | 2 +-
 6 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/tools/perf/tests/hists_common.c b/tools/perf/tests/hists_common.c
index bcde1d2..915f60a 100644
--- a/tools/perf/tests/hists_common.c
+++ b/tools/perf/tests/hists_common.c
@@ -121,8 +121,7 @@ struct machine *setup_fake_machine(struct machines *machines)
 		size_t k;
 		struct dso *dso;
 
-		dso = __dsos__findnew(&machine->dsos,
-				      fake_symbols[i].dso_name);
+		dso = machine__findnew_dso(machine, fake_symbols[i].dso_name);
 		if (dso == NULL)
 			goto out;
 
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index ff040b0..b335db3 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -833,7 +833,7 @@ struct dso *machine__findnew_kernel(struct machine *machine, const char *name,
 	/*
 	 * The kernel dso could be created by build_id processing.
 	 */
-	struct dso *dso = __dsos__findnew(&machine->dsos, name);
+	struct dso *dso = machine__findnew_dso(machine, name);
 
 	/*
 	 * We need to run this in all cases, since during the build_id
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index a900e94..851143a 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1264,7 +1264,7 @@ static int __event_process_build_id(struct build_id_event *bev,
 		goto out;
 	}
 
-	dso = __dsos__findnew(&machine->dsos, filename);
+	dso = machine__findnew_dso(machine, filename);
 	if (dso != NULL) {
 		char sbuild_id[BUILD_ID_SIZE * 2 + 1];
 
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index ffd3107..698da1da 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1157,7 +1157,7 @@ static int machine__process_kernel_mmap_event(struct machine *machine,
 		}
 
 		if (kernel == NULL)
-			kernel = __dsos__findnew(&machine->dsos, kmmap_prefix);
+			kernel = machine__findnew_dso(machine, kmmap_prefix);
 		if (kernel == NULL)
 			goto out_problem;
 
@@ -1915,3 +1915,8 @@ int machine__get_kernel_start(struct machine *machine)
 	}
 	return err;
 }
+
+struct dso *machine__findnew_dso(struct machine *machine, const char *filename)
+{
+	return __dsos__findnew(&machine->dsos, filename);
+}
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index aabca58..39a0ca0 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -154,6 +154,8 @@ static inline bool machine__is_host(struct machine *machine)
 struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
 struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
 
+struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
+
 size_t machine__fprintf(struct machine *machine, FILE *fp);
 
 static inline
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 57ff025..d15e1e9 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -180,7 +180,7 @@ struct map *map__new(struct machine *machine, u64 start, u64 len,
 			pgoff = 0;
 			dso = vdso__dso_findnew(machine, thread);
 		} else
-			dso = __dsos__findnew(&machine->dsos, filename);
+			dso = machine__findnew_dso(machine, filename);
 
 		if (dso == NULL)
 			goto out_delete;
--
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