1. Patchew
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  3. [PATCH v5 0/5] perf: script: Intro capstone disasm engine to show instruction trace
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[PATCH v5 1/5] perf: build: introduce the libcapstone

Changbin Du posted 5 patches 1 year, 11 months ago
There is a newer version of this series
[PATCH v5 1/5] perf: build: introduce the libcapstone
Posted by Changbin Du 1 year, 11 months ago 
Later we will use libcapstone to disassemble instructions of samples.

Signed-off-by: Changbin Du <changbin.du@huawei.com>

---
v2:
  - change tools/perf/tests/make also.
---
 tools/build/Makefile.feature           |  2 ++
 tools/build/feature/Makefile           |  4 ++++
 tools/build/feature/test-all.c         |  4 ++++
 tools/build/feature/test-libcapstone.c | 11 +++++++++++
 tools/perf/Makefile.config             | 21 +++++++++++++++++++++
 tools/perf/Makefile.perf               |  3 +++
 tools/perf/tests/make                  |  2 ++
 7 files changed, 47 insertions(+)
 create mode 100644 tools/build/feature/test-libcapstone.c

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 64df118376df..1e2ab148d5db 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -87,6 +87,7 @@ FEATURE_TESTS_EXTRA :=                  \
          gtk2-infobar                   \
          hello                          \
          libbabeltrace                  \
+         libcapstone                    \
          libbfd-liberty                 \
          libbfd-liberty-z               \
          libopencsd                     \
@@ -134,6 +135,7 @@ FEATURE_DISPLAY ?=              \
          libcrypto              \
          libunwind              \
          libdw-dwarf-unwind     \
+         libcapstone            \
          zlib                   \
          lzma                   \
          get_cpuid              \
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 37722e509eb9..ed54cef450f5 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -54,6 +54,7 @@ FILES=                                          \
          test-timerfd.bin                       \
          test-libdw-dwarf-unwind.bin            \
          test-libbabeltrace.bin                 \
+         test-libcapstone.bin			\
          test-compile-32.bin                    \
          test-compile-x32.bin                   \
          test-zlib.bin                          \
@@ -286,6 +287,9 @@ $(OUTPUT)test-libdw-dwarf-unwind.bin:
 $(OUTPUT)test-libbabeltrace.bin:
 	$(BUILD) # -lbabeltrace provided by $(FEATURE_CHECK_LDFLAGS-libbabeltrace)
 
+$(OUTPUT)test-libcapstone.bin:
+	$(BUILD) # -lcapstone provided by $(FEATURE_CHECK_LDFLAGS-libcapstone)
+
 $(OUTPUT)test-compile-32.bin:
 	$(CC) -m32 -o $@ test-compile.c
 
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index 6f4bf386a3b5..dd0a18c2ef8f 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -134,6 +134,10 @@
 #undef main
 #endif
 
+#define main main_test_libcapstone
+# include "test-libcapstone.c"
+#undef main
+
 #define main main_test_lzma
 # include "test-lzma.c"
 #undef main
diff --git a/tools/build/feature/test-libcapstone.c b/tools/build/feature/test-libcapstone.c
new file mode 100644
index 000000000000..fbe8dba189e9
--- /dev/null
+++ b/tools/build/feature/test-libcapstone.c
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <capstone/capstone.h>
+
+int main(void)
+{
+	csh handle;
+
+	cs_open(CS_ARCH_X86, CS_MODE_64, &handle);
+	return 0;
+}
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index aa55850fbc21..3e1072c59757 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -191,6 +191,15 @@ endif
 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
 
+# for linking with debug library, run like:
+# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
+ifdef LIBCAPSTONE_DIR
+  LIBCAPSTONE_CFLAGS  := -I$(LIBCAPSTONE_DIR)/include
+  LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
+endif
+FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
+
 ifdef LIBZSTD_DIR
   LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
   LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
@@ -1094,6 +1103,18 @@ ifndef NO_LIBBABELTRACE
   endif
 endif
 
+ifndef NO_CAPSTONE
+  $(call feature_check,libcapstone)
+  ifeq ($(feature-libcapstone), 1)
+    CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS)
+    LDFLAGS += $(LICAPSTONE_LDFLAGS)
+    EXTLIBS += -lcapstone
+    $(call detected,CONFIG_LIBCAPSTONE)
+  else
+    msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
+  endif
+endif
+
 ifndef NO_AUXTRACE
   ifeq ($(SRCARCH),x86)
     ifeq ($(feature-get_cpuid), 0)
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 27e7c478880f..56c2720c1d0f 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -84,6 +84,9 @@ include ../scripts/utilities.mak
 # Define NO_LIBBABELTRACE if you do not want libbabeltrace support
 # for CTF data format.
 #
+# Define NO_CAPSTONE if you do not want libcapstone support
+# for disasm engine.
+#
 # Define NO_LZMA if you do not want to support compressed (xz) kernel modules
 #
 # Define NO_AUXTRACE if you do not want AUX area tracing support
diff --git a/tools/perf/tests/make b/tools/perf/tests/make
index 8a4da7eb637a..b08026f5d4e7 100644
--- a/tools/perf/tests/make
+++ b/tools/perf/tests/make
@@ -83,6 +83,7 @@ make_no_libelf      := NO_LIBELF=1
 make_no_libunwind   := NO_LIBUNWIND=1
 make_no_libdw_dwarf_unwind := NO_LIBDW_DWARF_UNWIND=1
 make_no_backtrace   := NO_BACKTRACE=1
+make_no_libcapstone := NO_CAPSTONE=1
 make_no_libnuma     := NO_LIBNUMA=1
 make_no_libaudit    := NO_LIBAUDIT=1
 make_no_libbionic   := NO_LIBBIONIC=1
@@ -152,6 +153,7 @@ run += make_no_libelf
 run += make_no_libunwind
 run += make_no_libdw_dwarf_unwind
 run += make_no_backtrace
+run += make_no_libcapstone
 run += make_no_libnuma
 run += make_no_libaudit
 run += make_no_libbionic
-- 
2.25.1
Re: [PATCH v5 1/5] perf: build: introduce the libcapstone
Posted by Adrian Hunter 1 year, 10 months ago 
On 22/01/24 13:20, Changbin Du wrote:
> Later we will use libcapstone to disassemble instructions of samples.
> 
> Signed-off-by: Changbin Du <changbin.du@huawei.com>
> 
> ---
> v2:
>   - change tools/perf/tests/make also.
> ---
>  tools/build/Makefile.feature           |  2 ++
>  tools/build/feature/Makefile           |  4 ++++
>  tools/build/feature/test-all.c         |  4 ++++
>  tools/build/feature/test-libcapstone.c | 11 +++++++++++
>  tools/perf/Makefile.config             | 21 +++++++++++++++++++++
>  tools/perf/Makefile.perf               |  3 +++
>  tools/perf/tests/make                  |  2 ++
>  7 files changed, 47 insertions(+)
>  create mode 100644 tools/build/feature/test-libcapstone.c

Perhaps add it also to display with perf version --build-options

> 
> diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
> index 64df118376df..1e2ab148d5db 100644
> --- a/tools/build/Makefile.feature
> +++ b/tools/build/Makefile.feature
> @@ -87,6 +87,7 @@ FEATURE_TESTS_EXTRA :=                  \
>           gtk2-infobar                   \
>           hello                          \
>           libbabeltrace                  \
> +         libcapstone                    \
>           libbfd-liberty                 \
>           libbfd-liberty-z               \
>           libopencsd                     \
> @@ -134,6 +135,7 @@ FEATURE_DISPLAY ?=              \
>           libcrypto              \
>           libunwind              \
>           libdw-dwarf-unwind     \
> +         libcapstone            \
>           zlib                   \
>           lzma                   \
>           get_cpuid              \
> diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
> index 37722e509eb9..ed54cef450f5 100644
> --- a/tools/build/feature/Makefile
> +++ b/tools/build/feature/Makefile
> @@ -54,6 +54,7 @@ FILES=                                          \
>           test-timerfd.bin                       \
>           test-libdw-dwarf-unwind.bin            \
>           test-libbabeltrace.bin                 \
> +         test-libcapstone.bin			\
>           test-compile-32.bin                    \
>           test-compile-x32.bin                   \
>           test-zlib.bin                          \
> @@ -286,6 +287,9 @@ $(OUTPUT)test-libdw-dwarf-unwind.bin:
>  $(OUTPUT)test-libbabeltrace.bin:
>  	$(BUILD) # -lbabeltrace provided by $(FEATURE_CHECK_LDFLAGS-libbabeltrace)
>  
> +$(OUTPUT)test-libcapstone.bin:
> +	$(BUILD) # -lcapstone provided by $(FEATURE_CHECK_LDFLAGS-libcapstone)
> +
>  $(OUTPUT)test-compile-32.bin:
>  	$(CC) -m32 -o $@ test-compile.c
>  
> diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
> index 6f4bf386a3b5..dd0a18c2ef8f 100644
> --- a/tools/build/feature/test-all.c
> +++ b/tools/build/feature/test-all.c
> @@ -134,6 +134,10 @@
>  #undef main
>  #endif
>  
> +#define main main_test_libcapstone
> +# include "test-libcapstone.c"
> +#undef main
> +
>  #define main main_test_lzma
>  # include "test-lzma.c"
>  #undef main
> diff --git a/tools/build/feature/test-libcapstone.c b/tools/build/feature/test-libcapstone.c
> new file mode 100644
> index 000000000000..fbe8dba189e9
> --- /dev/null
> +++ b/tools/build/feature/test-libcapstone.c
> @@ -0,0 +1,11 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +#include <capstone/capstone.h>
> +
> +int main(void)
> +{
> +	csh handle;
> +
> +	cs_open(CS_ARCH_X86, CS_MODE_64, &handle);
> +	return 0;
> +}
> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> index aa55850fbc21..3e1072c59757 100644
> --- a/tools/perf/Makefile.config
> +++ b/tools/perf/Makefile.config
> @@ -191,6 +191,15 @@ endif
>  FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
>  FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
>  
> +# for linking with debug library, run like:
> +# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
> +ifdef LIBCAPSTONE_DIR
> +  LIBCAPSTONE_CFLAGS  := -I$(LIBCAPSTONE_DIR)/include
> +  LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
> +endif
> +FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
> +FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
> +
>  ifdef LIBZSTD_DIR
>    LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
>    LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
> @@ -1094,6 +1103,18 @@ ifndef NO_LIBBABELTRACE
>    endif
>  endif
>  
> +ifndef NO_CAPSTONE
> +  $(call feature_check,libcapstone)
> +  ifeq ($(feature-libcapstone), 1)
> +    CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS)
> +    LDFLAGS += $(LICAPSTONE_LDFLAGS)
> +    EXTLIBS += -lcapstone
> +    $(call detected,CONFIG_LIBCAPSTONE)
> +  else
> +    msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
> +  endif
> +endif
> +
>  ifndef NO_AUXTRACE
>    ifeq ($(SRCARCH),x86)
>      ifeq ($(feature-get_cpuid), 0)
> diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> index 27e7c478880f..56c2720c1d0f 100644
> --- a/tools/perf/Makefile.perf
> +++ b/tools/perf/Makefile.perf
> @@ -84,6 +84,9 @@ include ../scripts/utilities.mak
>  # Define NO_LIBBABELTRACE if you do not want libbabeltrace support
>  # for CTF data format.
>  #
> +# Define NO_CAPSTONE if you do not want libcapstone support
> +# for disasm engine.
> +#
>  # Define NO_LZMA if you do not want to support compressed (xz) kernel modules
>  #
>  # Define NO_AUXTRACE if you do not want AUX area tracing support
> diff --git a/tools/perf/tests/make b/tools/perf/tests/make
> index 8a4da7eb637a..b08026f5d4e7 100644
> --- a/tools/perf/tests/make
> +++ b/tools/perf/tests/make
> @@ -83,6 +83,7 @@ make_no_libelf      := NO_LIBELF=1
>  make_no_libunwind   := NO_LIBUNWIND=1
>  make_no_libdw_dwarf_unwind := NO_LIBDW_DWARF_UNWIND=1
>  make_no_backtrace   := NO_BACKTRACE=1
> +make_no_libcapstone := NO_CAPSTONE=1
>  make_no_libnuma     := NO_LIBNUMA=1
>  make_no_libaudit    := NO_LIBAUDIT=1
>  make_no_libbionic   := NO_LIBBIONIC=1

Also needs to be added to make_minimal

> @@ -152,6 +153,7 @@ run += make_no_libelf
>  run += make_no_libunwind
>  run += make_no_libdw_dwarf_unwind
>  run += make_no_backtrace
> +run += make_no_libcapstone
>  run += make_no_libnuma
>  run += make_no_libaudit
>  run += make_no_libbionic
Re: [PATCH v5 1/5] perf: build: introduce the libcapstone
Posted by Changbin Du 1 year, 10 months ago 
On Mon, Feb 05, 2024 at 11:21:23AM +0200, Adrian Hunter wrote:
> On 22/01/24 13:20, Changbin Du wrote:
> > Later we will use libcapstone to disassemble instructions of samples.
> > 
> > Signed-off-by: Changbin Du <changbin.du@huawei.com>
> > 
> > ---
> > v2:
> >   - change tools/perf/tests/make also.
> > ---
> >  tools/build/Makefile.feature           |  2 ++
> >  tools/build/feature/Makefile           |  4 ++++
> >  tools/build/feature/test-all.c         |  4 ++++
> >  tools/build/feature/test-libcapstone.c | 11 +++++++++++
> >  tools/perf/Makefile.config             | 21 +++++++++++++++++++++
> >  tools/perf/Makefile.perf               |  3 +++
> >  tools/perf/tests/make                  |  2 ++
> >  7 files changed, 47 insertions(+)
> >  create mode 100644 tools/build/feature/test-libcapstone.c
> 
> Perhaps add it also to display with perf version --build-options
>
no problem.

> > 
> > diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
> > index 64df118376df..1e2ab148d5db 100644
> > --- a/tools/build/Makefile.feature
> > +++ b/tools/build/Makefile.feature
> > @@ -87,6 +87,7 @@ FEATURE_TESTS_EXTRA :=                  \
> >           gtk2-infobar                   \
> >           hello                          \
> >           libbabeltrace                  \
> > +         libcapstone                    \
> >           libbfd-liberty                 \
> >           libbfd-liberty-z               \
> >           libopencsd                     \
> > @@ -134,6 +135,7 @@ FEATURE_DISPLAY ?=              \
> >           libcrypto              \
> >           libunwind              \
> >           libdw-dwarf-unwind     \
> > +         libcapstone            \
> >           zlib                   \
> >           lzma                   \
> >           get_cpuid              \
> > diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
> > index 37722e509eb9..ed54cef450f5 100644
> > --- a/tools/build/feature/Makefile
> > +++ b/tools/build/feature/Makefile
> > @@ -54,6 +54,7 @@ FILES=                                          \
> >           test-timerfd.bin                       \
> >           test-libdw-dwarf-unwind.bin            \
> >           test-libbabeltrace.bin                 \
> > +         test-libcapstone.bin			\
> >           test-compile-32.bin                    \
> >           test-compile-x32.bin                   \
> >           test-zlib.bin                          \
> > @@ -286,6 +287,9 @@ $(OUTPUT)test-libdw-dwarf-unwind.bin:
> >  $(OUTPUT)test-libbabeltrace.bin:
> >  	$(BUILD) # -lbabeltrace provided by $(FEATURE_CHECK_LDFLAGS-libbabeltrace)
> >  
> > +$(OUTPUT)test-libcapstone.bin:
> > +	$(BUILD) # -lcapstone provided by $(FEATURE_CHECK_LDFLAGS-libcapstone)
> > +
> >  $(OUTPUT)test-compile-32.bin:
> >  	$(CC) -m32 -o $@ test-compile.c
> >  
> > diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
> > index 6f4bf386a3b5..dd0a18c2ef8f 100644
> > --- a/tools/build/feature/test-all.c
> > +++ b/tools/build/feature/test-all.c
> > @@ -134,6 +134,10 @@
> >  #undef main
> >  #endif
> >  
> > +#define main main_test_libcapstone
> > +# include "test-libcapstone.c"
> > +#undef main
> > +
> >  #define main main_test_lzma
> >  # include "test-lzma.c"
> >  #undef main
> > diff --git a/tools/build/feature/test-libcapstone.c b/tools/build/feature/test-libcapstone.c
> > new file mode 100644
> > index 000000000000..fbe8dba189e9
> > --- /dev/null
> > +++ b/tools/build/feature/test-libcapstone.c
> > @@ -0,0 +1,11 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +
> > +#include <capstone/capstone.h>
> > +
> > +int main(void)
> > +{
> > +	csh handle;
> > +
> > +	cs_open(CS_ARCH_X86, CS_MODE_64, &handle);
> > +	return 0;
> > +}
> > diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> > index aa55850fbc21..3e1072c59757 100644
> > --- a/tools/perf/Makefile.config
> > +++ b/tools/perf/Makefile.config
> > @@ -191,6 +191,15 @@ endif
> >  FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
> >  FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
> >  
> > +# for linking with debug library, run like:
> > +# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
> > +ifdef LIBCAPSTONE_DIR
> > +  LIBCAPSTONE_CFLAGS  := -I$(LIBCAPSTONE_DIR)/include
> > +  LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
> > +endif
> > +FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
> > +FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
> > +
> >  ifdef LIBZSTD_DIR
> >    LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
> >    LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
> > @@ -1094,6 +1103,18 @@ ifndef NO_LIBBABELTRACE
> >    endif
> >  endif
> >  
> > +ifndef NO_CAPSTONE
> > +  $(call feature_check,libcapstone)
> > +  ifeq ($(feature-libcapstone), 1)
> > +    CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS)
> > +    LDFLAGS += $(LICAPSTONE_LDFLAGS)
> > +    EXTLIBS += -lcapstone
> > +    $(call detected,CONFIG_LIBCAPSTONE)
> > +  else
> > +    msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
> > +  endif
> > +endif
> > +
> >  ifndef NO_AUXTRACE
> >    ifeq ($(SRCARCH),x86)
> >      ifeq ($(feature-get_cpuid), 0)
> > diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> > index 27e7c478880f..56c2720c1d0f 100644
> > --- a/tools/perf/Makefile.perf
> > +++ b/tools/perf/Makefile.perf
> > @@ -84,6 +84,9 @@ include ../scripts/utilities.mak
> >  # Define NO_LIBBABELTRACE if you do not want libbabeltrace support
> >  # for CTF data format.
> >  #
> > +# Define NO_CAPSTONE if you do not want libcapstone support
> > +# for disasm engine.
> > +#
> >  # Define NO_LZMA if you do not want to support compressed (xz) kernel modules
> >  #
> >  # Define NO_AUXTRACE if you do not want AUX area tracing support
> > diff --git a/tools/perf/tests/make b/tools/perf/tests/make
> > index 8a4da7eb637a..b08026f5d4e7 100644
> > --- a/tools/perf/tests/make
> > +++ b/tools/perf/tests/make
> > @@ -83,6 +83,7 @@ make_no_libelf      := NO_LIBELF=1
> >  make_no_libunwind   := NO_LIBUNWIND=1
> >  make_no_libdw_dwarf_unwind := NO_LIBDW_DWARF_UNWIND=1
> >  make_no_backtrace   := NO_BACKTRACE=1
> > +make_no_libcapstone := NO_CAPSTONE=1
> >  make_no_libnuma     := NO_LIBNUMA=1
> >  make_no_libaudit    := NO_LIBAUDIT=1
> >  make_no_libbionic   := NO_LIBBIONIC=1
> 
> Also needs to be added to make_minimal
> 
okay. thanks!

> > @@ -152,6 +153,7 @@ run += make_no_libelf
> >  run += make_no_libunwind
> >  run += make_no_libdw_dwarf_unwind
> >  run += make_no_backtrace
> > +run += make_no_libcapstone
> >  run += make_no_libnuma
> >  run += make_no_libaudit
> >  run += make_no_libbionic
> 

-- 
Cheers,
Changbin Du

Patchew 2.1-devel-b67e4c2

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