libtraceevent: Move traceevent plugins in its own subdirectory
All traceevent plugins code is moved to tools/lib/traceevent/plugins subdirectory. It makes traceevent implementation in trace-cmd and in kernel tree consistent. There is no changes in the way libtraceevent and plugins are compiled and installed. Committer notes: Applied fixup provided by Steven, fixing the tools/perf/Makefile.perf target for the plugin dynamic list file. Problem noticed when cross building to aarch64 from a Ubuntu 19.04 container. Suggested-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lore.kernel.org/lkml/20190923115929.453b68f1@oasis.local.home Link: http://lore.kernel.org/lkml/20190919212542.377333393@goodmis.org Link: http://lore.kernel.org/linux-trace-devel/20190917105055.18983-1-tz.stoyanov@gmail.com Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>alistair/sunxi64-5.4-dsi
Tzvetomir Stoyanov (VMware)
Arnaldo Carvalho de Melo
parent
d69094f364
commit
077faf3dc7
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@ -6,14 +6,3 @@ libtraceevent-y += parse-utils.o
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libtraceevent-y += kbuffer-parse.o
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libtraceevent-y += tep_strerror.o
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libtraceevent-y += event-parse-api.o
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plugin_jbd2-y += plugin_jbd2.o
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plugin_hrtimer-y += plugin_hrtimer.o
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plugin_kmem-y += plugin_kmem.o
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plugin_kvm-y += plugin_kvm.o
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plugin_mac80211-y += plugin_mac80211.o
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plugin_sched_switch-y += plugin_sched_switch.o
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plugin_function-y += plugin_function.o
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plugin_xen-y += plugin_xen.o
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plugin_scsi-y += plugin_scsi.o
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plugin_cfg80211-y += plugin_cfg80211.o
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@ -58,30 +58,6 @@ export man_dir man_dir_SQ INSTALL
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export DESTDIR DESTDIR_SQ
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export EVENT_PARSE_VERSION
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set_plugin_dir := 1
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# Set plugin_dir to preffered global plugin location
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# If we install under $HOME directory we go under
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# $(HOME)/.local/lib/traceevent/plugins
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#
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# We dont set PLUGIN_DIR in case we install under $HOME
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# directory, because by default the code looks under:
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# $(HOME)/.local/lib/traceevent/plugins by default.
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#
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ifeq ($(plugin_dir),)
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ifeq ($(prefix),$(HOME))
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override plugin_dir = $(HOME)/.local/lib/traceevent/plugins
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set_plugin_dir := 0
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else
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override plugin_dir = $(libdir)/traceevent/plugins
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endif
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endif
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ifeq ($(set_plugin_dir),1)
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PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)"
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PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))'
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endif
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include ../../scripts/Makefile.include
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# copy a bit from Linux kbuild
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@ -105,7 +81,6 @@ export prefix libdir src obj
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# Shell quotes
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libdir_SQ = $(subst ','\'',$(libdir))
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libdir_relative_SQ = $(subst ','\'',$(libdir_relative))
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plugin_dir_SQ = $(subst ','\'',$(plugin_dir))
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CONFIG_INCLUDES =
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CONFIG_LIBS =
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@ -151,29 +126,14 @@ MAKEOVERRIDES=
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export srctree OUTPUT CC LD CFLAGS V
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build := -f $(srctree)/tools/build/Makefile.build dir=. obj
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PLUGINS = plugin_jbd2.so
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PLUGINS += plugin_hrtimer.so
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PLUGINS += plugin_kmem.so
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PLUGINS += plugin_kvm.so
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PLUGINS += plugin_mac80211.so
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PLUGINS += plugin_sched_switch.so
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PLUGINS += plugin_function.so
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PLUGINS += plugin_xen.so
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PLUGINS += plugin_scsi.so
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PLUGINS += plugin_cfg80211.so
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PLUGINS := $(addprefix $(OUTPUT),$(PLUGINS))
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PLUGINS_IN := $(PLUGINS:.so=-in.o)
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TE_IN := $(OUTPUT)libtraceevent-in.o
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LIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET))
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DYNAMIC_LIST_FILE := $(OUTPUT)libtraceevent-dynamic-list
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CMD_TARGETS = $(LIB_TARGET) $(PLUGINS) $(DYNAMIC_LIST_FILE)
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CMD_TARGETS = $(LIB_TARGET)
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TARGETS = $(CMD_TARGETS)
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all: all_cmd
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all: all_cmd plugins
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all_cmd: $(CMD_TARGETS)
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@ -188,17 +148,6 @@ $(OUTPUT)libtraceevent.so.$(EVENT_PARSE_VERSION): $(TE_IN)
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$(OUTPUT)libtraceevent.a: $(TE_IN)
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$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
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$(OUTPUT)libtraceevent-dynamic-list: $(PLUGINS)
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$(QUIET_GEN)$(call do_generate_dynamic_list_file, $(PLUGINS), $@)
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plugins: $(PLUGINS)
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__plugin_obj = $(notdir $@)
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plugin_obj = $(__plugin_obj:-in.o=)
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$(PLUGINS_IN): force
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$(Q)$(MAKE) $(build)=$(plugin_obj)
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$(OUTPUT)%.so: $(OUTPUT)%-in.o
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$(QUIET_LINK)$(CC) $(CFLAGS) -shared $(LDFLAGS) -nostartfiles -o $@ $^
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@ -258,25 +207,6 @@ define do_install
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$(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2'
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endef
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define do_install_plugins
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for plugin in $1; do \
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$(call do_install,$$plugin,$(plugin_dir_SQ)); \
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done
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endef
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define do_generate_dynamic_list_file
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symbol_type=`$(NM) -u -D $1 | awk 'NF>1 {print $$1}' | \
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xargs echo "U w W" | tr 'w ' 'W\n' | sort -u | xargs echo`;\
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if [ "$$symbol_type" = "U W" ];then \
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(echo '{'; \
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$(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u;\
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echo '};'; \
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) > $2; \
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else \
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(echo Either missing one of [$1] or bad version of $(NM)) 1>&2;\
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fi
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endef
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PKG_CONFIG_FILE = libtraceevent.pc
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define do_install_pkgconfig_file
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if [ -n "${pkgconfig_dir}" ]; then \
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@ -296,10 +226,6 @@ install_lib: all_cmd install_plugins install_headers install_pkgconfig
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$(call do_install_mkdir,$(libdir_SQ)); \
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cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ)
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install_plugins: $(PLUGINS)
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$(call QUIET_INSTALL, trace_plugins) \
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$(call do_install_plugins, $(PLUGINS))
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install_pkgconfig:
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$(call QUIET_INSTALL, $(PKG_CONFIG_FILE)) \
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$(call do_install_pkgconfig_file,$(prefix))
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@ -313,7 +239,7 @@ install_headers:
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install: install_lib
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clean:
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clean: clean_plugins
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$(call QUIET_CLEAN, libtraceevent) \
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$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd; \
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$(RM) TRACEEVENT-CFLAGS tags TAGS; \
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@ -351,7 +277,19 @@ help:
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@echo ' doc-install - install the man pages'
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@echo ' doc-uninstall - uninstall the man pages'
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@echo''
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PHONY += force plugins
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PHONY += plugins
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plugins:
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$(call descend,plugins)
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PHONY += install_plugins
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install_plugins:
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$(call descend,plugins,install)
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PHONY += clean_plugins
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clean_plugins:
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$(call descend,plugins,clean)
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force:
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# Declare the contents of the .PHONY variable as phony. We keep that
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@ -0,0 +1,10 @@
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plugin_jbd2-y += plugin_jbd2.o
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plugin_hrtimer-y += plugin_hrtimer.o
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plugin_kmem-y += plugin_kmem.o
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plugin_kvm-y += plugin_kvm.o
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plugin_mac80211-y += plugin_mac80211.o
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plugin_sched_switch-y += plugin_sched_switch.o
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plugin_function-y += plugin_function.o
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plugin_xen-y += plugin_xen.o
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plugin_scsi-y += plugin_scsi.o
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plugin_cfg80211-y += plugin_cfg80211.o
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@ -0,0 +1,222 @@
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# SPDX-License-Identifier: GPL-2.0
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#MAKEFLAGS += --no-print-directory
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# Makefiles suck: This macro sets a default value of $(2) for the
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# variable named by $(1), unless the variable has been set by
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# environment or command line. This is necessary for CC and AR
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# because make sets default values, so the simpler ?= approach
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# won't work as expected.
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define allow-override
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$(if $(or $(findstring environment,$(origin $(1))),\
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$(findstring command line,$(origin $(1)))),,\
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$(eval $(1) = $(2)))
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endef
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# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
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$(call allow-override,CC,$(CROSS_COMPILE)gcc)
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$(call allow-override,AR,$(CROSS_COMPILE)ar)
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$(call allow-override,NM,$(CROSS_COMPILE)nm)
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$(call allow-override,PKG_CONFIG,pkg-config)
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EXT = -std=gnu99
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INSTALL = install
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# Use DESTDIR for installing into a different root directory.
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# This is useful for building a package. The program will be
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# installed in this directory as if it was the root directory.
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# Then the build tool can move it later.
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DESTDIR ?=
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DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
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LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
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ifeq ($(LP64), 1)
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libdir_relative = lib64
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else
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libdir_relative = lib
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endif
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prefix ?= /usr/local
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libdir = $(prefix)/$(libdir_relative)
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set_plugin_dir := 1
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# Set plugin_dir to preffered global plugin location
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# If we install under $HOME directory we go under
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# $(HOME)/.local/lib/traceevent/plugins
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#
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# We dont set PLUGIN_DIR in case we install under $HOME
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# directory, because by default the code looks under:
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# $(HOME)/.local/lib/traceevent/plugins by default.
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#
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ifeq ($(plugin_dir),)
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ifeq ($(prefix),$(HOME))
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override plugin_dir = $(HOME)/.local/lib/traceevent/plugins
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set_plugin_dir := 0
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else
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override plugin_dir = $(libdir)/traceevent/plugins
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endif
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endif
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ifeq ($(set_plugin_dir),1)
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PLUGIN_DIR = -DPLUGIN_DIR="$(plugin_dir)"
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PLUGIN_DIR_SQ = '$(subst ','\'',$(PLUGIN_DIR))'
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endif
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include ../../../scripts/Makefile.include
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# copy a bit from Linux kbuild
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ifeq ("$(origin V)", "command line")
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VERBOSE = $(V)
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endif
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ifndef VERBOSE
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VERBOSE = 0
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endif
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ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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#$(info Determined 'srctree' to be $(srctree))
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endif
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export prefix libdir src obj
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# Shell quotes
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plugin_dir_SQ = $(subst ','\'',$(plugin_dir))
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CONFIG_INCLUDES =
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CONFIG_LIBS =
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CONFIG_FLAGS =
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OBJ = $@
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N =
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INCLUDES = -I. -I.. -I $(srctree)/tools/include $(CONFIG_INCLUDES)
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# Set compile option CFLAGS
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ifdef EXTRA_CFLAGS
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CFLAGS := $(EXTRA_CFLAGS)
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else
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CFLAGS := -g -Wall
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endif
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# Append required CFLAGS
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override CFLAGS += -fPIC
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override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
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override CFLAGS += $(udis86-flags) -D_GNU_SOURCE
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ifeq ($(VERBOSE),1)
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Q =
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else
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Q = @
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endif
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# Disable command line variables (CFLAGS) override from top
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# level Makefile (perf), otherwise build Makefile will get
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# the same command line setup.
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MAKEOVERRIDES=
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export srctree OUTPUT CC LD CFLAGS V
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build := -f $(srctree)/tools/build/Makefile.build dir=. obj
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DYNAMIC_LIST_FILE := $(OUTPUT)libtraceevent-dynamic-list
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PLUGINS = plugin_jbd2.so
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PLUGINS += plugin_hrtimer.so
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PLUGINS += plugin_kmem.so
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PLUGINS += plugin_kvm.so
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PLUGINS += plugin_mac80211.so
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PLUGINS += plugin_sched_switch.so
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PLUGINS += plugin_function.so
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PLUGINS += plugin_xen.so
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PLUGINS += plugin_scsi.so
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PLUGINS += plugin_cfg80211.so
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PLUGINS := $(addprefix $(OUTPUT),$(PLUGINS))
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PLUGINS_IN := $(PLUGINS:.so=-in.o)
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plugins: $(PLUGINS) $(DYNAMIC_LIST_FILE)
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__plugin_obj = $(notdir $@)
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plugin_obj = $(__plugin_obj:-in.o=)
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$(PLUGINS_IN): force
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$(Q)$(MAKE) $(build)=$(plugin_obj)
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$(OUTPUT)libtraceevent-dynamic-list: $(PLUGINS)
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$(QUIET_GEN)$(call do_generate_dynamic_list_file, $(PLUGINS), $@)
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$(OUTPUT)%.so: $(OUTPUT)%-in.o
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$(QUIET_LINK)$(CC) $(CFLAGS) -shared $(LDFLAGS) -nostartfiles -o $@ $^
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define update_dir
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(echo $1 > $@.tmp; \
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if [ -r $@ ] && cmp -s $@ $@.tmp; then \
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rm -f $@.tmp; \
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else \
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echo ' UPDATE $@'; \
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mv -f $@.tmp $@; \
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fi);
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endef
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tags: force
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$(RM) tags
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find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \
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--regex-c++='/_PE\(([^,)]*).*/TEP_ERRNO__\1/'
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TAGS: force
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$(RM) TAGS
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find . -name '*.[ch]' | xargs etags \
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--regex='/_PE(\([^,)]*\).*/TEP_ERRNO__\1/'
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define do_install_mkdir
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if [ ! -d '$(DESTDIR_SQ)$1' ]; then \
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$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
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fi
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endef
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define do_install
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$(call do_install_mkdir,$2); \
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$(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2'
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endef
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define do_install_plugins
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for plugin in $1; do \
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$(call do_install,$$plugin,$(plugin_dir_SQ)); \
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done
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endef
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define do_generate_dynamic_list_file
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symbol_type=`$(NM) -u -D $1 | awk 'NF>1 {print $$1}' | \
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xargs echo "U w W" | tr 'w ' 'W\n' | sort -u | xargs echo`;\
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if [ "$$symbol_type" = "U W" ];then \
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(echo '{'; \
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$(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u;\
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echo '};'; \
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) > $2; \
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else \
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(echo Either missing one of [$1] or bad version of $(NM)) 1>&2;\
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fi
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endef
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install: $(PLUGINS)
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$(call QUIET_INSTALL, trace_plugins) \
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$(call do_install_plugins, $(PLUGINS))
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clean:
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$(call QUIET_CLEAN, trace_plugins) \
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$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd; \
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$(RM) $(OUTPUT)libtraceevent-dynamic-list \
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$(RM) TRACEEVENT-CFLAGS tags TAGS;
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PHONY += force plugins
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force:
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# Declare the contents of the .PHONY variable as phony. We keep that
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# information in a variable so we can use it in if_changed and friends.
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.PHONY: $(PHONY)
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@ -292,7 +292,7 @@ endif
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LIBTRACEEVENT = $(TE_PATH)libtraceevent.a
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export LIBTRACEEVENT
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LIBTRACEEVENT_DYNAMIC_LIST = $(TE_PATH)libtraceevent-dynamic-list
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LIBTRACEEVENT_DYNAMIC_LIST = $(TE_PATH)plugins/libtraceevent-dynamic-list
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#
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# The static build has no dynsym table, so this does not work for
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@ -737,7 +737,7 @@ libtraceevent_plugins: FORCE
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$(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) plugins
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$(LIBTRACEEVENT_DYNAMIC_LIST): libtraceevent_plugins
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$(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) $(OUTPUT)libtraceevent-dynamic-list
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$(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) $(OUTPUT)plugins/libtraceevent-dynamic-list
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$(LIBTRACEEVENT)-clean:
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$(call QUIET_CLEAN, libtraceevent)
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