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Subject[PATCH 2/6] perf tools: Add variable display for VF make output
Date
Adding dump of interesting build directories to the
make VF=1 output.

$ make VF=1
BUILD: Doing 'make -j4' parallel build

Auto-detecting system features:
... dwarf: [ on ]
... glibc: [ on ]
... gtk2: [ on ]
... libaudit: [ on ]
... libbfd: [ on ]
... libelf: [ on ]
... libnuma: [ on ]
... libperl: [ on ]
... libpython: [ on ]
... libslang: [ on ]
... libunwind: [ on ]
... backtrace: [ on ]
... fortify-source: [ on ]
... gtk2-infobar: [ on ]
... libelf-getphdrnum: [ on ]
... libelf-mmap: [ on ]
... libpython-version: [ on ]
... on-exit: [ on ]
... stackprotector-all: [ on ]
... timerfd: [ on ]
... libunwind-debug-frame: [ OFF ]
... bionic: [ OFF ]

... prefix: /home/jolsa
... bindir: /home/jolsa/bin
... libdir: /home/jolsa/lib64
... sysconfdir: /home/jolsa/etc

Adding functions to print variable/text in features
display - feature_print_var/feature_print_text
(feature_print_text is used in next patches).

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
---
tools/perf/config/Makefile | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 39e6e6c..97a64c4 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -591,9 +591,9 @@ endif
#
# Print the result of the feature test:
#
-feature_print = $(eval $(feature_print_code)) $(info $(MSG))
+feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG))

-define feature_print_code
+define feature_print_status_code
ifeq ($(feature-$(1)), 1)
MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
else
@@ -601,6 +601,16 @@ define feature_print_code
endif
endef

+feature_print_var = $(eval $(feature_print_var_code)) $(info $(MSG))
+define feature_print_var_code
+ MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
+endef
+
+feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG))
+define feature_print_text_code
+ MSG = $(shell printf '...%30s: %s' $(1) $(2))
+endef
+
PERF_FEATURES := $(foreach feat,$(LIB_FEATURE_TESTS),feature-$(feat)($(feature-$(feat))))
PERF_FEATURES_FILE := $(shell touch $(OUTPUT)PERF-FEATURES; cat $(OUTPUT)PERF-FEATURES)

@@ -633,11 +643,16 @@ endif
ifeq ($(display_lib),1)
$(info )
$(info Auto-detecting system features:)
- $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_print,$(feat),))
+ $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_print_status,$(feat),))
endif

ifeq ($(display_vf),1)
- $(foreach feat,$(VF_FEATURE_TESTS),$(call feature_print,$(feat),))
+ $(foreach feat,$(VF_FEATURE_TESTS),$(call feature_print_status,$(feat),))
+ $(info )
+ $(call feature_print_var,prefix)
+ $(call feature_print_var,bindir)
+ $(call feature_print_var,libdir)
+ $(call feature_print_var,sysconfdir)
endif

ifeq ($(display_lib),1)
--
1.8.3.1


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