diff options
| -rw-r--r-- | tools/perf/Makefile.perf | 25 | ||||
| -rw-r--r-- | tools/perf/config/Makefile | 4 | ||||
| -rw-r--r-- | tools/perf/tests/make | 55 | ||||
| -rw-r--r-- | tools/perf/util/session.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/symbol.c | 2 |
5 files changed, 70 insertions, 18 deletions
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 0a22407e1d7d..5d34815c7ccb 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -77,6 +77,9 @@ include config/utilities.mak # Define NO_AUXTRACE if you do not want AUX area tracing support # # Define NO_LIBBPF if you do not want BPF support +# +# Define FEATURES_DUMP to provide features detection dump file +# and bypass the feature detection # As per kernel Makefile, avoid funny character set dependencies unexport LC_ALL @@ -166,6 +169,15 @@ ifeq ($(config),1) include config/Makefile endif +# The FEATURE_DUMP_EXPORT holds location of the actual +# FEATURE_DUMP file to be used to bypass feature detection +# (for bpf or any other subproject) +ifeq ($(FEATURES_DUMP),) +FEATURE_DUMP_EXPORT := $(realpath $(OUTPUT)FEATURE-DUMP) +else +FEATURE_DUMP_EXPORT := $(FEATURES_DUMP) +endif + export prefix bindir sharedir sysconfdir DESTDIR # sparse is architecture-neutral, which means that we need to tell it @@ -436,7 +448,7 @@ $(LIBAPI)-clean: $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null $(LIBBPF): fixdep FORCE - $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) $(OUTPUT)libbpf.a FEATURES_DUMP=$(realpath $(OUTPUT)FEATURE-DUMP) + $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) $(OUTPUT)libbpf.a FEATURES_DUMP=$(FEATURE_DUMP_EXPORT) $(LIBBPF)-clean: $(call QUIET_CLEAN, libbpf) @@ -611,6 +623,17 @@ clean: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(python-clean) # +# To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY) +# file if defined, with no further action. +feature-dump: +ifdef FEATURE_DUMP_COPY + @cp $(OUTPUT)FEATURE-DUMP $(FEATURE_DUMP_COPY) + @echo "FEATURE-DUMP file copied into $(FEATURE_DUMP_COPY)" +else + @echo "FEATURE-DUMP file available in $(OUTPUT)FEATURE-DUMP" +endif + +# # Trick: if ../../.git does not exist - we are building out of tree for example, # then force version regeneration: # diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index e5959c136a19..511141b102e8 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -181,7 +181,11 @@ LDFLAGS += -Wl,-z,noexecstack EXTLIBS = -lpthread -lrt -lm -ldl +ifeq ($(FEATURES_DUMP),) include $(srctree)/tools/build/Makefile.feature +else +include $(FEATURES_DUMP) +endif ifeq ($(feature-stackprotector-all), 1) CFLAGS += -fstack-protector-all diff --git a/tools/perf/tests/make b/tools/perf/tests/make index df38decc48c3..f918015512af 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -5,7 +5,7 @@ ifeq ($(MAKECMDGOALS),) # no target specified, trigger the whole suite all: @echo "Testing Makefile"; $(MAKE) -sf tests/make MK=Makefile - @echo "Testing Makefile.perf"; $(MAKE) -sf tests/make MK=Makefile.perf + @echo "Testing Makefile.perf"; $(MAKE) -sf tests/make MK=Makefile.perf SET_PARALLEL=1 SET_O=1 else # run only specific test over 'Makefile' %: @@ -13,6 +13,26 @@ else endif else PERF := . +PERF_O := $(PERF) +O_OPT := + +ifneq ($(O),) + FULL_O := $(shell readlink -f $(O) || echo $(O)) + PERF_O := $(FULL_O) + ifeq ($(SET_O),1) + O_OPT := 'O=$(FULL_O)' + endif + K_O_OPT := 'O=$(FULL_O)' +endif + +PARALLEL_OPT= +ifeq ($(SET_PARALLEL),1) + cores := $(shell (getconf _NPROCESSORS_ONLN || egrep -c '^processor|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null) + ifeq ($(cores),0) + cores := 1 + endif + PARALLEL_OPT="-j$(cores)" +endif # As per kernel Makefile, avoid funny character set dependencies unexport LC_ALL @@ -156,11 +176,11 @@ test_make_doc := $(test_ok) test_make_help_O := $(test_ok) test_make_doc_O := $(test_ok) -test_make_python_perf_so := test -f $(PERF)/python/perf.so +test_make_python_perf_so := test -f $(PERF_O)/python/perf.so -test_make_perf_o := test -f $(PERF)/perf.o -test_make_util_map_o := test -f $(PERF)/util/map.o -test_make_util_pmu_bison_o := test -f $(PERF)/util/pmu-bison.o +test_make_perf_o := test -f $(PERF_O)/perf.o +test_make_util_map_o := test -f $(PERF_O)/util/map.o +test_make_util_pmu_bison_o := test -f $(PERF_O)/util/pmu-bison.o define test_dest_files for file in $(1); do \ @@ -227,7 +247,7 @@ test_make_perf_o_O := test -f $$TMP_O/perf.o test_make_util_map_o_O := test -f $$TMP_O/util/map.o test_make_util_pmu_bison_o_O := test -f $$TMP_O/util/pmu-bison.o -test_default = test -x $(PERF)/perf +test_default = test -x $(PERF_O)/perf test = $(if $(test_$1),$(test_$1),$(test_default)) test_default_O = test -x $$TMP_O/perf @@ -247,12 +267,12 @@ endif MAKEFLAGS := --no-print-directory -clean := @(cd $(PERF); make -s -f $(MK) clean >/dev/null) +clean := @(cd $(PERF); make -s -f $(MK) $(O_OPT) clean >/dev/null) $(run): $(call clean) @TMP_DEST=$$(mktemp -d); \ - cmd="cd $(PERF) && make -f $(MK) DESTDIR=$$TMP_DEST $($@)"; \ + cmd="cd $(PERF) && make -f $(MK) $(PARALLEL_OPT) $(O_OPT) DESTDIR=$$TMP_DEST $($@)"; \ echo "- $@: $$cmd" && echo $$cmd > $@ && \ ( eval $$cmd ) >> $@ 2>&1; \ echo " test: $(call test,$@)" >> $@ 2>&1; \ @@ -263,7 +283,7 @@ $(run_O): $(call clean) @TMP_O=$$(mktemp -d); \ TMP_DEST=$$(mktemp -d); \ - cmd="cd $(PERF) && make -f $(MK) O=$$TMP_O DESTDIR=$$TMP_DEST $($(patsubst %_O,%,$@))"; \ + cmd="cd $(PERF) && make -f $(MK) $(PARALLEL_OPT) O=$$TMP_O DESTDIR=$$TMP_DEST $($(patsubst %_O,%,$@))"; \ echo "- $@: $$cmd" && echo $$cmd > $@ && \ ( eval $$cmd ) >> $@ 2>&1 && \ echo " test: $(call test_O,$@)" >> $@ 2>&1; \ @@ -276,17 +296,22 @@ tarpkg: ( eval $$cmd ) >> $@ 2>&1 && \ rm -f $@ +KERNEL_O := ../.. +ifneq ($(O),) + KERNEL_O := $(O) +endif + make_kernelsrc: - @echo "- make -C <kernelsrc> tools/perf" + @echo "- make -C <kernelsrc> $(PARALLEL_OPT) $(K_O_OPT) tools/perf" $(call clean); \ - (make -C ../.. tools/perf) > $@ 2>&1 && \ - test -x perf && rm -f $@ || (cat $@ ; false) + (make -C ../.. $(PARALLEL_OPT) $(K_O_OPT) tools/perf) > $@ 2>&1 && \ + test -x $(KERNEL_O)/tools/perf/perf && rm -f $@ || (cat $@ ; false) make_kernelsrc_tools: - @echo "- make -C <kernelsrc>/tools perf" + @echo "- make -C <kernelsrc>/tools $(PARALLEL_OPT) $(K_O_OPT) perf" $(call clean); \ - (make -C ../../tools perf) > $@ 2>&1 && \ - test -x perf && rm -f $@ || (cat $@ ; false) + (make -C ../../tools $(PARALLEL_OPT) $(K_O_OPT) perf) > $@ 2>&1 && \ + test -x $(KERNEL_O)/tools/perf/perf && rm -f $@ || (cat $@ ; false) all: $(run) $(run_O) tarpkg make_kernelsrc make_kernelsrc_tools @echo OK diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index d5636ba94b20..40b7a0d0905b 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1149,7 +1149,7 @@ static struct machine *machines__find_for_cpumode(struct machines *machines, machine = machines__find(machines, pid); if (!machine) - machine = machines__find(machines, DEFAULT_GUEST_KERNEL_ID); + machine = machines__findnew(machines, DEFAULT_GUEST_KERNEL_ID); return machine; } diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 3b2de6eb3376..ab02209a7cf3 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1466,7 +1466,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) * Read the build id if possible. This is required for * DSO_BINARY_TYPE__BUILDID_DEBUGINFO to work */ - if (filename__read_build_id(dso->name, build_id, BUILD_ID_SIZE) > 0) + if (filename__read_build_id(dso->long_name, build_id, BUILD_ID_SIZE) > 0) dso__set_build_id(dso, build_id); /* |