diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/build/Makefile.feature | 6 | ||||
| -rw-r--r-- | tools/perf/MANIFEST | 3 | ||||
| -rw-r--r-- | tools/perf/Makefile.perf | 21 | ||||
| -rw-r--r-- | tools/perf/config/Makefile | 19 | ||||
| -rw-r--r-- | tools/perf/tests/make | 4 |
5 files changed, 47 insertions, 6 deletions
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature index 72817e4d5e70..37ff4c9f92f1 100644 --- a/tools/build/Makefile.feature +++ b/tools/build/Makefile.feature @@ -53,7 +53,8 @@ FEATURE_TESTS ?= \ libdw-dwarf-unwind \ zlib \ lzma \ - get_cpuid + get_cpuid \ + bpf FEATURE_DISPLAY ?= \ dwarf \ @@ -71,7 +72,8 @@ FEATURE_DISPLAY ?= \ libdw-dwarf-unwind \ zlib \ lzma \ - get_cpuid + get_cpuid \ + bpf # Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features. # If in the future we need per-feature checks/flags for features not diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 9e6bdf5b2df6..39c38cb45b00 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -17,6 +17,7 @@ tools/build tools/arch/x86/include/asm/atomic.h tools/arch/x86/include/asm/rmwcc.h tools/lib/traceevent +tools/lib/bpf tools/lib/api tools/lib/bpf tools/lib/hweight.c @@ -69,6 +70,8 @@ arch/*/lib/memset*.S include/linux/poison.h include/linux/hw_breakpoint.h include/uapi/linux/perf_event.h +include/uapi/linux/bpf.h +include/uapi/linux/bpf_common.h include/uapi/linux/const.h include/uapi/linux/swab.h include/uapi/linux/hw_breakpoint.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 56517d304772..1e2e2d1d26b7 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -75,6 +75,8 @@ include config/utilities.mak # 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 +# +# Define NO_LIBBPF if you do not want BPF support # As per kernel Makefile, avoid funny character set dependencies unexport LC_ALL @@ -145,6 +147,7 @@ AWK = awk LIB_DIR = $(srctree)/tools/lib/api/ TRACE_EVENT_DIR = $(srctree)/tools/lib/traceevent/ +BPF_DIR = $(srctree)/tools/lib/bpf/ # include config/Makefile by default and rule out # non-config cases @@ -180,6 +183,7 @@ strip-libs = $(filter-out -l%,$(1)) ifneq ($(OUTPUT),) TE_PATH=$(OUTPUT) + BPF_PATH=$(OUTPUT) ifneq ($(subdir),) LIB_PATH=$(OUTPUT)/../lib/api/ else @@ -188,6 +192,7 @@ endif else TE_PATH=$(TRACE_EVENT_DIR) LIB_PATH=$(LIB_DIR) + BPF_PATH=$(BPF_DIR) endif LIBTRACEEVENT = $(TE_PATH)libtraceevent.a @@ -199,6 +204,8 @@ LIBTRACEEVENT_DYNAMIC_LIST_LDFLAGS = -Xlinker --dynamic-list=$(LIBTRACEEVENT_DYN LIBAPI = $(LIB_PATH)libapi.a export LIBAPI +LIBBPF = $(BPF_PATH)libbpf.a + # python extension build directories PYTHON_EXTBUILD := $(OUTPUT)python_ext_build/ PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/ @@ -251,6 +258,9 @@ export PERL_PATH LIB_FILE=$(OUTPUT)libperf.a PERFLIBS = $(LIB_FILE) $(LIBAPI) $(LIBTRACEEVENT) +ifndef NO_LIBBPF + PERFLIBS += $(LIBBPF) +endif # We choose to avoid "if .. else if .. else .. endif endif" # because maintaining the nesting to match is a pain. If @@ -420,6 +430,13 @@ $(LIBAPI)-clean: $(call QUIET_CLEAN, libapi) $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null +$(LIBBPF): FORCE + $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) $(OUTPUT)libbpf.a + +$(LIBBPF)-clean: + $(call QUIET_CLEAN, libbpf) + $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) clean >/dev/null + help: @echo 'Perf make targets:' @echo ' doc - make *all* documentation (see below)' @@ -459,7 +476,7 @@ INSTALL_DOC_TARGETS += quick-install-doc quick-install-man quick-install-html $(DOC_TARGETS): $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) $(@:doc=all) -TAG_FOLDERS= . ../lib/traceevent ../lib/api ../lib/symbol ../include +TAG_FOLDERS= . ../lib/traceevent ../lib/api ../lib/symbol ../include ../lib/bpf TAG_FILES= ../../include/uapi/linux/perf_event.h TAGS: @@ -567,7 +584,7 @@ config-clean: $(call QUIET_CLEAN, config) $(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null -clean: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean config-clean +clean: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean config-clean $(call QUIET_CLEAN, core-objs) $(RM) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(LANG_BINDINGS) $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete $(Q)$(RM) $(OUTPUT).config-detected diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index ab09adaabc9c..de89ec574361 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -106,6 +106,7 @@ ifdef LIBBABELTRACE FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf endif +FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/arch/$(ARCH)/include/uapi -I$(srctree)/include/uapi # include ARCH specific config -include $(src-perf)/arch/$(ARCH)/Makefile @@ -237,6 +238,7 @@ ifdef NO_LIBELF NO_DEMANGLE := 1 NO_LIBUNWIND := 1 NO_LIBDW_DWARF_UNWIND := 1 + NO_LIBBPF := 1 else ifeq ($(feature-libelf), 0) ifeq ($(feature-glibc), 1) @@ -246,13 +248,14 @@ else LIBC_SUPPORT := 1 endif ifeq ($(LIBC_SUPPORT),1) - msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev); + msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install elfutils-libelf-devel/libelf-dev); NO_LIBELF := 1 NO_DWARF := 1 NO_DEMANGLE := 1 NO_LIBUNWIND := 1 NO_LIBDW_DWARF_UNWIND := 1 + NO_LIBBPF := 1 else ifneq ($(filter s% -static%,$(LDFLAGS),),) msg := $(error No static glibc found, please install glibc-static); @@ -309,6 +312,13 @@ ifndef NO_LIBELF $(call detected,CONFIG_DWARF) endif # PERF_HAVE_DWARF_REGS endif # NO_DWARF + + ifndef NO_LIBBPF + ifeq ($(feature-bpf), 1) + CFLAGS += -DHAVE_LIBBPF_SUPPORT + $(call detected,CONFIG_LIBBPF) + endif + endif # NO_LIBBPF endif # NO_LIBELF ifeq ($(ARCH),powerpc) @@ -324,6 +334,13 @@ ifndef NO_LIBUNWIND endif endif +ifndef NO_LIBBPF + ifneq ($(feature-bpf), 1) + msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) + NO_LIBBPF := 1 + endif +endif + dwarf-post-unwind := 1 dwarf-post-unwind-text := BUG diff --git a/tools/perf/tests/make b/tools/perf/tests/make index ba31c4bd441d..2cbd0c6901e3 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -44,6 +44,7 @@ make_no_libnuma := NO_LIBNUMA=1 make_no_libaudit := NO_LIBAUDIT=1 make_no_libbionic := NO_LIBBIONIC=1 make_no_auxtrace := NO_AUXTRACE=1 +make_no_libbpf := NO_LIBBPF=1 make_tags := tags make_cscope := cscope make_help := help @@ -66,7 +67,7 @@ make_static := LDFLAGS=-static make_minimal := NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 make_minimal += NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 make_minimal += NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 -make_minimal += NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 +make_minimal += NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 # $(run) contains all available tests run := make_pure @@ -94,6 +95,7 @@ run += make_no_libnuma run += make_no_libaudit run += make_no_libbionic run += make_no_auxtrace +run += make_no_libbpf run += make_help run += make_doc run += make_perf_o |