From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, He Kuang <hekuang@huawei.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Andi Kleen <ak@linux.intel.com>, David Ahern <dsahern@gmail.com>,
Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Kan Liang <kan.liang@intel.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Pekka Enberg <penberg@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Stephane Eranian <eranian@google.com>,
Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
Wang Nan <wangnan0@huawei.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 18/24] perf tools: Extract common API out of unwind-libunwind-local.c
Date: Tue, 7 Jun 2016 17:04:56 -0300 [thread overview]
Message-ID: <1465329902-11069-19-git-send-email-acme@kernel.org> (raw)
In-Reply-To: <1465329902-11069-1-git-send-email-acme@kernel.org>
From: He Kuang <hekuang@huawei.com>
This patch extracts common unwind-libunwind APIs out of
unwind-libunwind-local.c, this part will be used by both local and
remote libunwind.
Signed-off-by: He Kuang <hekuang@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1464924803-22214-9-git-send-email-hekuang@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/Build | 1 +
tools/perf/util/unwind-libunwind-local.c | 34 ----------------------------
tools/perf/util/unwind-libunwind.c | 38 ++++++++++++++++++++++++++++++++
3 files changed, 39 insertions(+), 34 deletions(-)
create mode 100644 tools/perf/util/unwind-libunwind.c
diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index 5e23d85d2d69..004fb1d1d0ad 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -100,6 +100,7 @@ libperf-$(CONFIG_DWARF) += dwarf-aux.o
libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind-local.o
+libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
libperf-$(CONFIG_LIBBABELTRACE) += data-convert-bt.o
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index b0c5db1333f9..9c70486c5c6a 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -691,37 +691,3 @@ _unwind_libunwind_ops = {
struct unwind_libunwind_ops *
local_unwind_libunwind_ops = &_unwind_libunwind_ops;
-
-static void unwind__register_ops(struct thread *thread,
- struct unwind_libunwind_ops *ops)
-{
- thread->unwind_libunwind_ops = ops;
-}
-
-int unwind__prepare_access(struct thread *thread)
-{
- unwind__register_ops(thread, local_unwind_libunwind_ops);
-
- return thread->unwind_libunwind_ops->prepare_access(thread);
-}
-
-void unwind__flush_access(struct thread *thread)
-{
- if (thread->unwind_libunwind_ops)
- thread->unwind_libunwind_ops->flush_access(thread);
-}
-
-void unwind__finish_access(struct thread *thread)
-{
- if (thread->unwind_libunwind_ops)
- thread->unwind_libunwind_ops->finish_access(thread);
-}
-
-int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
- struct thread *thread,
- struct perf_sample *data, int max_stack)
-{
- if (thread->unwind_libunwind_ops)
- return thread->unwind_libunwind_ops->get_entries(cb, arg, thread, data, max_stack);
- return 0;
-}
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
new file mode 100644
index 000000000000..f86f903ae8a8
--- /dev/null
+++ b/tools/perf/util/unwind-libunwind.c
@@ -0,0 +1,38 @@
+#include "unwind.h"
+#include "thread.h"
+
+struct unwind_libunwind_ops __weak *local_unwind_libunwind_ops;
+
+static void unwind__register_ops(struct thread *thread,
+ struct unwind_libunwind_ops *ops)
+{
+ thread->unwind_libunwind_ops = ops;
+}
+
+int unwind__prepare_access(struct thread *thread)
+{
+ unwind__register_ops(thread, local_unwind_libunwind_ops);
+
+ return thread->unwind_libunwind_ops->prepare_access(thread);
+}
+
+void unwind__flush_access(struct thread *thread)
+{
+ if (thread->unwind_libunwind_ops)
+ thread->unwind_libunwind_ops->flush_access(thread);
+}
+
+void unwind__finish_access(struct thread *thread)
+{
+ if (thread->unwind_libunwind_ops)
+ thread->unwind_libunwind_ops->finish_access(thread);
+}
+
+int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
+ struct thread *thread,
+ struct perf_sample *data, int max_stack)
+{
+ if (thread->unwind_libunwind_ops)
+ return thread->unwind_libunwind_ops->get_entries(cb, arg, thread, data, max_stack);
+ return 0;
+}
--
2.5.5
next prev parent reply other threads:[~2016-06-07 20:07 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-07 20:04 [GIT PULL 00/24] perf/core improvements and fixes Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 01/24] tools lib bpf: Use IS_ERR() reporting macros with bpf_map__get_private() Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 02/24] tools lib bpf: Rename bpf_map__get_name() to bpf_map__name() Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 03/24] tools lib bpf: Use IS_ERR() reporting macros with bpf_map__get_def() Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 04/24] tools lib bpf: Rename bpf_map__get_fd() to bpf_map__fd() Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 05/24] tools lib bpf: Remove _get_ from non-refcount method names Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 06/24] tools lib bpf: Make bpf_program__get_private() use IS_ERR() Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 07/24] tools lib bpf: Rename set_private() to set_priv() Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 08/24] perf tools: Fix crash in build_id_cache__kallsyms_path() Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 09/24] perf config: Constructor should free its allocated memory when failing Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 10/24] perf config: Use new perf_config_set__init() to initialize config set Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 11/24] perf unwind: Use LIBUNWIND_DIR for remote libunwind feature check Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 12/24] perf unwind: Decouple thread->address_space on libunwind Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 13/24] perf unwind: Introduce 'struct unwind_libunwind_ops' for local unwind Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 14/24] perf unwind: Move unwind__prepare_access from thread_new into thread__insert_map Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 15/24] perf unwind: Don't mix LIBUNWIND_LIBS into LIBUNWIND_LDFLAGS Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 16/24] perf unwind: Separate local/remote libunwind config Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 17/24] perf unwind: Rename unwind-libunwind.c to unwind-libunwind-local.c Arnaldo Carvalho de Melo
2016-06-07 20:04 ` Arnaldo Carvalho de Melo [this message]
2016-06-07 20:04 ` [PATCH 19/24] perf tools: Export normalize_arch() function Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 20/24] perf unwind: Check the target platform before assigning unwind methods Arnaldo Carvalho de Melo
2016-06-07 20:04 ` [PATCH 21/24] perf unwind: Change fixed name of libunwind__arch_reg_id to macro Arnaldo Carvalho de Melo
2016-06-07 20:05 ` [PATCH 22/24] perf unwind: Introduce flag to separate local/remote unwind compilation Arnaldo Carvalho de Melo
2016-06-07 20:05 ` [PATCH 23/24] perf callchain: Support x86 target platform Arnaldo Carvalho de Melo
2016-06-07 20:05 ` [PATCH 24/24] perf callchain: Support aarch64 cross-platform Arnaldo Carvalho de Melo
2016-06-07 23:10 ` [GIT PULL 00/24] perf/core improvements and fixes Taeung Song
2016-06-08 13:09 ` Arnaldo Carvalho de Melo
2016-06-08 7:43 ` Ingo Molnar
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