diff options
Diffstat (limited to 'kernel/tools/perf/config')
| -rw-r--r-- | kernel/tools/perf/config/Makefile | 72 | ||||
| -rw-r--r-- | kernel/tools/perf/config/utilities.mak | 19 |
2 files changed, 81 insertions, 10 deletions
diff --git a/kernel/tools/perf/config/Makefile b/kernel/tools/perf/config/Makefile index 59a98c643..de89ec574 100644 --- a/kernel/tools/perf/config/Makefile +++ b/kernel/tools/perf/config/Makefile @@ -11,9 +11,9 @@ ifneq ($(obj-perf),) obj-perf := $(abspath $(obj-perf))/ endif -$(shell echo -n > .config-detected) -detected = $(shell echo "$(1)=y" >> .config-detected) -detected_var = $(shell echo "$(1)=$($(1))" >> .config-detected) +$(shell printf "" > $(OUTPUT).config-detected) +detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected) +detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected) CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS) @@ -32,7 +32,7 @@ ifeq ($(ARCH),x86) LIBUNWIND_LIBS = -lunwind -lunwind-x86_64 $(call detected,CONFIG_X86_64) else - LIBUNWIND_LIBS = -lunwind -lunwind-x86 + LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind endif NO_PERF_REGS := 0 endif @@ -106,9 +106,14 @@ 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 +ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET + CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET +endif + include $(src-perf)/config/utilities.mak ifeq ($(call get-executable,$(FLEX)),) @@ -130,6 +135,8 @@ endif ifeq ($(DEBUG),0) CFLAGS += -O6 +else + CFLAGS += $(call cc-option,-Og,-O0) endif ifdef PARSER_DEBUG @@ -231,6 +238,7 @@ ifdef NO_LIBELF NO_DEMANGLE := 1 NO_LIBUNWIND := 1 NO_LIBDW_DWARF_UNWIND := 1 + NO_LIBBPF := 1 else ifeq ($(feature-libelf), 0) ifeq ($(feature-glibc), 1) @@ -240,13 +248,14 @@ else LIBC_SUPPORT := 1 endif ifeq ($(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); @@ -268,6 +277,10 @@ else endif # libelf support endif # NO_LIBELF +ifdef NO_DWARF + NO_LIBDW_DWARF_UNWIND := 1 +endif + ifndef NO_LIBELF CFLAGS += -DHAVE_LIBELF_SUPPORT EXTLIBS += -lelf @@ -291,10 +304,21 @@ ifndef NO_LIBELF else CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) LDFLAGS += $(LIBDW_LDFLAGS) - EXTLIBS += -ldw + DWARFLIBS := -ldw + ifeq ($(findstring -static,${LDFLAGS}),-static) + DWARFLIBS += -lelf -lebl -lz -llzma -lbz2 + endif + EXTLIBS += ${DWARFLIBS} $(call detected,CONFIG_DWARF) endif # PERF_HAVE_DWARF_REGS endif # NO_DWARF + + ifndef NO_LIBBPF + ifeq ($(feature-bpf), 1) + CFLAGS += -DHAVE_LIBBPF_SUPPORT + $(call detected,CONFIG_LIBBPF) + endif + endif # NO_LIBBPF endif # NO_LIBELF ifeq ($(ARCH),powerpc) @@ -310,6 +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 @@ -563,9 +594,14 @@ ifndef NO_LIBNUMA msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev); NO_LIBNUMA := 1 else - CFLAGS += -DHAVE_LIBNUMA_SUPPORT - EXTLIBS += -lnuma - $(call detected,CONFIG_NUMA) + ifeq ($(feature-numa_num_possible_cpus), 0) + msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8); + NO_LIBNUMA := 1 + else + CFLAGS += -DHAVE_LIBNUMA_SUPPORT + EXTLIBS += -lnuma + $(call detected,CONFIG_NUMA) + endif endif endif @@ -610,6 +646,16 @@ ifdef LIBBABELTRACE endif endif +ifndef NO_AUXTRACE + ifeq ($(feature-get_cpuid), 0) + msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); + NO_AUXTRACE := 1 + else + $(call detected,CONFIG_AUXTRACE) + CFLAGS += -DHAVE_AUXTRACE_SUPPORT + endif +endif + # Among the variables below, these: # perfexecdir # template_dir @@ -627,12 +673,13 @@ ifndef DESTDIR prefix ?= $(HOME) endif bindir_relative = bin -bindir = $(prefix)/$(bindir_relative) +bindir = $(abspath $(prefix)/$(bindir_relative)) mandir = share/man infodir = share/info perfexecdir = libexec/perf-core sharedir = $(prefix)/share template_dir = share/perf-core/templates +STRACE_GROUPS_DIR = share/perf-core/strace/groups htmldir = share/doc/perf-doc ifeq ($(prefix),/usr) sysconfdir = /etc @@ -652,6 +699,7 @@ libdir = $(prefix)/$(lib) # Shell quote (do not use $(call) to accommodate ancient setups); ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG)) +STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR)) DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) bindir_SQ = $(subst ','\'',$(bindir)) mandir_SQ = $(subst ','\'',$(mandir)) @@ -665,10 +713,13 @@ libdir_SQ = $(subst ','\'',$(libdir)) ifneq ($(filter /%,$(firstword $(perfexecdir))),) perfexec_instdir = $(perfexecdir) +STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) else perfexec_instdir = $(prefix)/$(perfexecdir) +STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) endif perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) +STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) # If we install to $(HOME) we keep the traceevent default: # $(HOME)/.traceevent/plugins @@ -702,6 +753,7 @@ $(call detected_var,htmldir_SQ) $(call detected_var,infodir_SQ) $(call detected_var,mandir_SQ) $(call detected_var,ETC_PERFCONFIG_SQ) +$(call detected_var,STRACE_GROUPS_DIR_SQ) $(call detected_var,prefix_SQ) $(call detected_var,perfexecdir_SQ) $(call detected_var,LIBDIR) diff --git a/kernel/tools/perf/config/utilities.mak b/kernel/tools/perf/config/utilities.mak index c16ce8330..0ebef09c0 100644 --- a/kernel/tools/perf/config/utilities.mak +++ b/kernel/tools/perf/config/utilities.mak @@ -177,3 +177,22 @@ $(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2))) endef _ge_attempt = $(if $(get-executable),$(get-executable),$(call _gea_err,$(2))) _gea_err = $(if $(1),$(error Please set '$(1)' appropriately)) + +# try-run +# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise) +# Exit code chooses option. "$$TMP" is can be used as temporary file and +# is automatically cleaned up. +try-run = $(shell set -e; \ + TMP="$(TMPOUT).$$$$.tmp"; \ + TMPO="$(TMPOUT).$$$$.o"; \ + if ($(1)) >/dev/null 2>&1; \ + then echo "$(2)"; \ + else echo "$(3)"; \ + fi; \ + rm -f "$$TMP" "$$TMPO") + +# cc-option +# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586) + +cc-option = $(call try-run,\ + $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2)) |