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Date: Thu, 13 Jun 2024 11:32:18 -0700
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Subject: [PATCH v2 2/8] perf ui: Make ui its own library
From: Ian Rogers <irogers@google.com>
To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, 
	Arnaldo Carvalho de Melo <acme@kernel.org>, Namhyung Kim <namhyung@kernel.org>, 
	Mark Rutland <mark.rutland@arm.com>, 
	Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, 
	Ian Rogers <irogers@google.com>, Adrian Hunter <adrian.hunter@intel.com>, 
	Kan Liang <kan.liang@linux.intel.com>, John Garry <john.g.garry@oracle.com>, 
	Will Deacon <will@kernel.org>, James Clark <james.clark@arm.com>, 
	Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linux.dev>, Guo Ren <guoren@kernel.org>, 
	Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, 
	Albert Ou <aou@eecs.berkeley.edu>, Suzuki K Poulose <suzuki.poulose@arm.com>, 
	Yicong Yang <yangyicong@hisilicon.com>, Jonathan Cameron <jonathan.cameron@huawei.com>, 
	Miguel Ojeda <ojeda@kernel.org>, Alex Gaynor <alex.gaynor@gmail.com>, 
	Wedson Almeida Filho <wedsonaf@gmail.com>, Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>, 
	"=?UTF-8?q?Bj=C3=B6rn=20Roy=20Baron?=" <bjorn3_gh@protonmail.com>, Benno Lossin <benno.lossin@proton.me>, 
	Andreas Hindborg <a.hindborg@samsung.com>, Alice Ryhl <aliceryhl@google.com>, 
	Nick Terrell <terrelln@fb.com>, Ravi Bangoria <ravi.bangoria@amd.com>, 
	Kees Cook <keescook@chromium.org>, Andrei Vagin <avagin@google.com>, 
	Athira Jajeev <atrajeev@linux.vnet.ibm.com>, Oliver Upton <oliver.upton@linux.dev>, 
	Ze Gao <zegao2021@gmail.com>, linux-kernel@vger.kernel.org, 
	linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, 
	linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org, 
	coresight@lists.linaro.org, rust-for-linux@vger.kernel.org, 
	bpf@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"

Make the ui code its own library. This is done to avoid compiling code
twice, once for the perf tool and once for the perf python module.

Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: James Clark <james.clark@arm.com>
---
 tools/perf/Build             |  2 +-
 tools/perf/Makefile.perf     | 10 ++++++++++
 tools/perf/ui/Build          | 18 +++++++++---------
 tools/perf/ui/browsers/Build | 14 +++++++-------
 tools/perf/ui/tui/Build      |  8 ++++----
 5 files changed, 31 insertions(+), 21 deletions(-)

diff --git a/tools/perf/Build b/tools/perf/Build
index b0cb7ad8e6ac..16ed1357202b 100644
--- a/tools/perf/Build
+++ b/tools/perf/Build
@@ -55,7 +55,7 @@ CFLAGS_builtin-report.o	   += -DDOCDIR="BUILD_STR($(srcdir_SQ)/Documentation)"
 
 perf-y += util/
 perf-y += arch/
-perf-y += ui/
+perf-ui-y += ui/
 perf-y += scripts/
 
 gtk-y += ui/gtk/
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index acc41a6717db..c5a027381c55 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -425,10 +425,14 @@ endif
 
 export PERL_PATH
 
+LIBPERF_UI_IN := $(OUTPUT)perf-ui-in.o
+LIBPERF_UI := $(OUTPUT)libperf-ui.a
+
 PERFLIBS = $(LIBAPI) $(LIBPERF) $(LIBSUBCMD) $(LIBSYMBOL)
 ifdef LIBBPF_STATIC
   PERFLIBS += $(LIBBPF)
 endif
+PERFLIBS += $(LIBPERF_UI)
 
 # We choose to avoid "if .. else if .. else .. endif endif"
 # because maintaining the nesting to match is a pain.  If
@@ -729,6 +733,12 @@ $(PERF_IN): prepare FORCE
 $(PMU_EVENTS_IN): FORCE prepare
 	$(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=pmu-events obj=pmu-events
 
+$(LIBPERF_UI_IN): FORCE prepare
+	$(Q)$(MAKE) $(build)=perf-ui
+
+$(LIBPERF_UI): $(LIBPERF_UI_IN)
+	$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $<
+
 $(OUTPUT)perf: $(PERFLIBS) $(PERF_IN) $(PMU_EVENTS_IN)
 	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) \
 		$(PERF_IN) $(PMU_EVENTS_IN) $(LIBS) -o $@
diff --git a/tools/perf/ui/Build b/tools/perf/ui/Build
index 6b6d7143a37b..d2ecd9290600 100644
--- a/tools/perf/ui/Build
+++ b/tools/perf/ui/Build
@@ -1,12 +1,12 @@
-perf-y += setup.o
-perf-y += helpline.o
-perf-y += progress.o
-perf-y += util.o
-perf-y += hist.o
-perf-y += stdio/hist.o
+perf-ui-y += setup.o
+perf-ui-y += helpline.o
+perf-ui-y += progress.o
+perf-ui-y += util.o
+perf-ui-y += hist.o
+perf-ui-y += stdio/hist.o
 
 CFLAGS_setup.o += -DLIBDIR="BUILD_STR($(LIBDIR))"
 
-perf-$(CONFIG_SLANG) += browser.o
-perf-$(CONFIG_SLANG) += browsers/
-perf-$(CONFIG_SLANG) += tui/
+perf-ui-$(CONFIG_SLANG) += browser.o
+perf-ui-$(CONFIG_SLANG) += browsers/
+perf-ui-$(CONFIG_SLANG) += tui/
diff --git a/tools/perf/ui/browsers/Build b/tools/perf/ui/browsers/Build
index 2608b5da3167..a07489e44765 100644
--- a/tools/perf/ui/browsers/Build
+++ b/tools/perf/ui/browsers/Build
@@ -1,7 +1,7 @@
-perf-y += annotate.o
-perf-y += annotate-data.o
-perf-y += hists.o
-perf-y += map.o
-perf-y += scripts.o
-perf-y += header.o
-perf-y += res_sample.o
+perf-ui-y += annotate.o
+perf-ui-y += annotate-data.o
+perf-ui-y += hists.o
+perf-ui-y += map.o
+perf-ui-y += scripts.o
+perf-ui-y += header.o
+perf-ui-y += res_sample.o
diff --git a/tools/perf/ui/tui/Build b/tools/perf/ui/tui/Build
index f916df33a1a7..2ac058ad1a61 100644
--- a/tools/perf/ui/tui/Build
+++ b/tools/perf/ui/tui/Build
@@ -1,4 +1,4 @@
-perf-y += setup.o
-perf-y += util.o
-perf-y += helpline.o
-perf-y += progress.o
+perf-ui-y += setup.o
+perf-ui-y += util.o
+perf-ui-y += helpline.o
+perf-ui-y += progress.o
-- 
2.45.2.627.g7a2c4fd464-goog