Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1
2ifeq ($(src-perf),)
3src-perf := $(srctree)/tools/perf
4endif
5
6ifeq ($(obj-perf),)
7obj-perf := $(OUTPUT)
8endif
9
10ifneq ($(obj-perf),)
11obj-perf := $(abspath $(obj-perf))/
12endif
13
14LIB_INCLUDE := $(srctree)/tools/lib/
15CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
16
17include $(src-perf)/config/Makefile.arch
18
19NO_PERF_REGS := 1
20
21# Additional ARCH settings for x86
22ifeq ($(ARCH),x86)
23 ifeq (${IS_X86_64}, 1)
24 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
25 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
26 LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
27 else
28 LIBUNWIND_LIBS = -lunwind -lunwind-x86
29 endif
30 NO_PERF_REGS := 0
31endif
32ifeq ($(ARCH),arm)
33 NO_PERF_REGS := 0
34 LIBUNWIND_LIBS = -lunwind -lunwind-arm
35endif
36
37ifeq ($(LIBUNWIND_LIBS),)
38 NO_LIBUNWIND := 1
39else
40 #
41 # For linking with debug library, run like:
42 #
43 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
44 #
45 ifdef LIBUNWIND_DIR
46 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
47 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
48 endif
49 LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)
50
51 # Set per-feature check compilation flags
52 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
53 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
54 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
55 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
56endif
57
58ifeq ($(NO_PERF_REGS),0)
59 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
60endif
61
62# include ARCH specific config
63-include $(src-perf)/arch/$(ARCH)/Makefile
64
65include $(src-perf)/config/utilities.mak
66
67ifeq ($(call get-executable,$(FLEX)),)
68 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
69endif
70
71ifeq ($(call get-executable,$(BISON)),)
72 dummy := $(error Error: $(BISON) is missing on this system, please install it)
73endif
74
75# Treat warnings as errors unless directed not to
76ifneq ($(WERROR),0)
77 CFLAGS += -Werror
78endif
79
80ifndef DEBUG
81 DEBUG := 0
82endif
83
84ifeq ($(DEBUG),0)
85 CFLAGS += -O6
86endif
87
88ifdef PARSER_DEBUG
89 PARSER_DEBUG_BISON := -t
90 PARSER_DEBUG_FLEX := -d
91 CFLAGS += -DPARSER_DEBUG
92endif
93
94CFLAGS += -fno-omit-frame-pointer
95CFLAGS += -ggdb3
96CFLAGS += -funwind-tables
97CFLAGS += -Wall
98CFLAGS += -Wextra
99CFLAGS += -std=gnu99
100
101EXTLIBS = -lelf -lpthread -lrt -lm -ldl
102
103ifneq ($(OUTPUT),)
104 OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/
105 $(shell mkdir -p $(OUTPUT_FEATURES))
106endif
107
108feature_check = $(eval $(feature_check_code))
109define feature_check_code
110 feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
111endef
112
113feature_set = $(eval $(feature_set_code))
114define feature_set_code
115 feature-$(1) := 1
116endef
117
118#
119# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
120#
121
122#
123# Note that this is not a complete list of all feature tests, just
124# those that are typically built on a fully configured system.
125#
126# [ Feature tests not mentioned here have to be built explicitly in
127# the rule that uses them - an example for that is the 'bionic'
128# feature check. ]
129#
130CORE_FEATURE_TESTS = \
131 backtrace \
132 dwarf \
133 fortify-source \
134 glibc \
135 gtk2 \
136 gtk2-infobar \
137 libaudit \
138 libbfd \
139 libelf \
140 libelf-getphdrnum \
141 libelf-mmap \
142 libnuma \
143 libperl \
144 libpython \
145 libpython-version \
146 libslang \
147 libunwind \
148 on-exit \
149 stackprotector-all \
150 timerfd
151
152# Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features.
153# If in the future we need per-feature checks/flags for features not
154# mentioned in this list we need to refactor this ;-).
155set_test_all_flags = $(eval $(set_test_all_flags_code))
156define set_test_all_flags_code
157 FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1))
158 FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
159endef
160
161$(foreach feat,$(CORE_FEATURE_TESTS),$(call set_test_all_flags,$(feat)))
162
163#
164# So here we detect whether test-all was rebuilt, to be able
165# to skip the print-out of the long features list if the file
166# existed before and after it was built:
167#
168ifeq ($(wildcard $(OUTPUT)config/feature-checks/test-all.bin),)
169 test-all-failed := 1
170else
171 test-all-failed := 0
172endif
173
174#
175# Special fast-path for the 'all features are available' case:
176#
177$(call feature_check,all,$(MSG))
178
179#
180# Just in case the build freshly failed, make sure we print the
181# feature matrix:
182#
183ifeq ($(feature-all), 0)
184 test-all-failed := 1
185endif
186
187ifeq ($(test-all-failed),1)
188 $(info )
189 $(info Auto-detecting system features:)
190endif
191
192ifeq ($(feature-all), 1)
193 #
194 # test-all.c passed - just set all the core feature flags to 1:
195 #
196 $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat)))
197else
198 $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(addsuffix .bin,$(CORE_FEATURE_TESTS)) >/dev/null 2>&1)
199 $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat)))
200endif
201
202#
203# Print the result of the feature test:
204#
205feature_print = $(eval $(feature_print_code)) $(info $(MSG))
206
207define feature_print_code
208 ifeq ($(feature-$(1)), 1)
209 MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
210 else
211 MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
212 endif
213endef
214
215#
216# Only print out our features if we rebuilt the testcases or if a test failed:
217#
218ifeq ($(test-all-failed), 1)
219 $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_print,$(feat)))
220 $(info )
221endif
222
223ifeq ($(feature-stackprotector-all), 1)
224 CFLAGS += -fstack-protector-all
225endif
226
227ifeq ($(DEBUG),0)
228 ifeq ($(feature-fortify-source), 1)
229 CFLAGS += -D_FORTIFY_SOURCE=2
230 endif
231endif
232
233CFLAGS += -I$(src-perf)/util/include
234CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
235CFLAGS += -I$(srctree)/tools/include/
236CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
237CFLAGS += -I$(srctree)/arch/$(ARCH)/include
238CFLAGS += -I$(srctree)/include/uapi
239CFLAGS += -I$(srctree)/include
240
241# $(obj-perf) for generated common-cmds.h
242# $(obj-perf)/util for generated bison/flex headers
243ifneq ($(OUTPUT),)
244CFLAGS += -I$(obj-perf)/util
245CFLAGS += -I$(obj-perf)
246endif
247
248CFLAGS += -I$(src-perf)/util
249CFLAGS += -I$(src-perf)
250CFLAGS += -I$(LIB_INCLUDE)
251
252CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
253
254ifndef NO_BIONIC
255 $(call feature_check,bionic)
256 ifeq ($(feature-bionic), 1)
257 BIONIC := 1
258 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
259 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
260 endif
261endif
262
263ifdef NO_LIBELF
264 NO_DWARF := 1
265 NO_DEMANGLE := 1
266 NO_LIBUNWIND := 1
267else
268 ifeq ($(feature-libelf), 0)
269 ifeq ($(feature-glibc), 1)
270 LIBC_SUPPORT := 1
271 endif
272 ifeq ($(BIONIC),1)
273 LIBC_SUPPORT := 1
274 endif
275 ifeq ($(LIBC_SUPPORT),1)
276 msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
277
278 NO_LIBELF := 1
279 NO_DWARF := 1
280 NO_DEMANGLE := 1
281 else
282 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
283 endif
284 else
285 # for linking with debug library, run like:
286 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
287 ifdef LIBDW_DIR
288 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
289 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
290 endif
291
292 ifneq ($(feature-dwarf), 1)
293 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
294 NO_DWARF := 1
295 endif # Dwarf support
296 endif # libelf support
297endif # NO_LIBELF
298
299ifndef NO_LIBELF
300 CFLAGS += -DHAVE_LIBELF_SUPPORT
301
302 ifeq ($(feature-libelf-mmap), 1)
303 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
304 endif
305
306 ifeq ($(feature-libelf-getphdrnum), 1)
307 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
308 endif
309
310 # include ARCH specific config
311 -include $(src-perf)/arch/$(ARCH)/Makefile
312
313 ifndef NO_DWARF
314 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
315 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
316 NO_DWARF := 1
317 else
318 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
319 LDFLAGS += $(LIBDW_LDFLAGS)
320 EXTLIBS += -lelf -ldw
321 endif # PERF_HAVE_DWARF_REGS
322 endif # NO_DWARF
323endif # NO_LIBELF
324
325ifndef NO_LIBUNWIND
326 ifneq ($(feature-libunwind), 1)
327 msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 1.1);
328 NO_LIBUNWIND := 1
329 else
330 ifeq ($(ARCH),arm)
331 $(call feature_check,libunwind-debug-frame)
332 ifneq ($(feature-libunwind-debug-frame), 1)
333 msg := $(warning No debug_frame support found in libunwind);
334 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
335 endif
336 else
337 # non-ARM has no dwarf_find_debug_frame() function:
338 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
339 endif
340
341 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
342 EXTLIBS += $(LIBUNWIND_LIBS)
343 CFLAGS += $(LIBUNWIND_CFLAGS)
344 LDFLAGS += $(LIBUNWIND_LDFLAGS)
345 endif # ifneq ($(feature-libunwind), 1)
346endif
347
348ifndef NO_LIBAUDIT
349 ifneq ($(feature-libaudit), 1)
350 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
351 NO_LIBAUDIT := 1
352 else
353 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
354 EXTLIBS += -laudit
355 endif
356endif
357
358ifdef NO_NEWT
359 NO_SLANG=1
360endif
361
362ifndef NO_SLANG
363 ifneq ($(feature-libslang), 1)
364 msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
365 NO_SLANG := 1
366 else
367 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
368 CFLAGS += -I/usr/include/slang
369 CFLAGS += -DHAVE_SLANG_SUPPORT
370 EXTLIBS += -lslang
371 endif
372endif
373
374ifndef NO_GTK2
375 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
376 ifneq ($(feature-gtk2), 1)
377 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
378 NO_GTK2 := 1
379 else
380 ifeq ($(feature-gtk2-infobar), 1)
381 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
382 endif
383 CFLAGS += -DHAVE_GTK2_SUPPORT
384 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
385 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
386 EXTLIBS += -ldl
387 endif
388endif
389
390grep-libs = $(filter -l%,$(1))
391strip-libs = $(filter-out -l%,$(1))
392
393ifdef NO_LIBPERL
394 CFLAGS += -DNO_LIBPERL
395else
396 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
397 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
398 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
399 PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
400 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
401
402 ifneq ($(feature-libperl), 1)
403 CFLAGS += -DNO_LIBPERL
404 NO_LIBPERL := 1
405 else
406 LDFLAGS += $(PERL_EMBED_LDFLAGS)
407 EXTLIBS += $(PERL_EMBED_LIBADD)
408 endif
409endif
410
411ifeq ($(feature-timerfd), 1)
412 CFLAGS += -DHAVE_TIMERFD_SUPPORT
413else
414 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
415endif
416
417disable-python = $(eval $(disable-python_code))
418define disable-python_code
419 CFLAGS += -DNO_LIBPYTHON
420 $(if $(1),$(warning No $(1) was found))
421 $(warning Python support will not be built)
422 NO_LIBPYTHON := 1
423endef
424
425override PYTHON := \
426 $(call get-executable-or-default,PYTHON,python)
427
428ifndef PYTHON
429 $(call disable-python,python interpreter)
430else
431
432 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
433
434 ifdef NO_LIBPYTHON
435 $(call disable-python)
436 else
437
438 override PYTHON_CONFIG := \
439 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
440
441 ifndef PYTHON_CONFIG
442 $(call disable-python,python-config tool)
443 else
444
445 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
446
447 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
448 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
449 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
450 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
451 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
452
453 ifneq ($(feature-libpython), 1)
454 $(call disable-python,Python.h (for Python 2.x))
455 else
456
457 ifneq ($(feature-libpython-version), 1)
458 $(warning Python 3 is not yet supported; please set)
459 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
460 $(warning If you also have Python 2 installed, then)
461 $(warning try something like:)
462 $(warning $(and ,))
463 $(warning $(and ,) make PYTHON=python2)
464 $(warning $(and ,))
465 $(warning Otherwise, disable Python support entirely:)
466 $(warning $(and ,))
467 $(warning $(and ,) make NO_LIBPYTHON=1)
468 $(warning $(and ,))
469 $(error $(and ,))
470 else
471 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
472 EXTLIBS += $(PYTHON_EMBED_LIBADD)
473 LANG_BINDINGS += $(obj-perf)python/perf.so
474 endif
475 endif
476 endif
477 endif
478endif
479
480ifeq ($(feature-libbfd), 1)
481 EXTLIBS += -lbfd -lz -liberty
482endif
483
484ifdef NO_DEMANGLE
485 CFLAGS += -DNO_DEMANGLE
486else
487 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
488 EXTLIBS += -liberty
489 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
490 else
491 ifneq ($(feature-libbfd), 1)
492 $(call feature_check,liberty)
493 ifeq ($(feature-liberty), 1)
494 EXTLIBS += -lbfd -liberty
495 else
496 $(call feature_check,liberty-z)
497 ifeq ($(feature-liberty-z), 1)
498 EXTLIBS += -lbfd -liberty -lz
499 else
500 $(call feature_check,cplus-demangle)
501 ifeq ($(feature-cplus-demangle), 1)
502 EXTLIBS += -liberty
503 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
504 else
505 msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
506 CFLAGS += -DNO_DEMANGLE
507 endif
508 endif
509 endif
510 endif
511 endif
512endif
513
514ifneq ($(filter -lbfd,$(EXTLIBS)),)
515 CFLAGS += -DHAVE_LIBBFD_SUPPORT
516endif
517
518ifndef NO_ON_EXIT
519 ifeq ($(feature-on-exit), 1)
520 CFLAGS += -DHAVE_ON_EXIT_SUPPORT
521 endif
522endif
523
524ifndef NO_BACKTRACE
525 ifeq ($(feature-backtrace), 1)
526 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
527 endif
528endif
529
530ifndef NO_LIBNUMA
531 ifeq ($(feature-libnuma), 0)
532 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
533 NO_LIBNUMA := 1
534 else
535 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
536 EXTLIBS += -lnuma
537 endif
538endif
539
540# Among the variables below, these:
541# perfexecdir
542# template_dir
543# mandir
544# infodir
545# htmldir
546# ETC_PERFCONFIG (but not sysconfdir)
547# can be specified as a relative path some/where/else;
548# this is interpreted as relative to $(prefix) and "perf" at
549# runtime figures out where they are based on the path to the executable.
550# This can help installing the suite in a relocatable way.
551
552# Make the path relative to DESTDIR, not to prefix
553ifndef DESTDIR
554prefix = $(HOME)
555endif
556bindir_relative = bin
557bindir = $(prefix)/$(bindir_relative)
558mandir = share/man
559infodir = share/info
560perfexecdir = libexec/perf-core
561sharedir = $(prefix)/share
562template_dir = share/perf-core/templates
563htmldir = share/doc/perf-doc
564ifeq ($(prefix),/usr)
565sysconfdir = /etc
566ETC_PERFCONFIG = $(sysconfdir)/perfconfig
567else
568sysconfdir = $(prefix)/etc
569ETC_PERFCONFIG = etc/perfconfig
570endif
571ifeq ($(IS_X86_64),1)
572lib = lib64
573else
574lib = lib
575endif
576libdir = $(prefix)/$(lib)
577
578# Shell quote (do not use $(call) to accommodate ancient setups);
579ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
580DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
581bindir_SQ = $(subst ','\'',$(bindir))
582mandir_SQ = $(subst ','\'',$(mandir))
583infodir_SQ = $(subst ','\'',$(infodir))
584perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
585template_dir_SQ = $(subst ','\'',$(template_dir))
586htmldir_SQ = $(subst ','\'',$(htmldir))
587prefix_SQ = $(subst ','\'',$(prefix))
588sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
589libdir_SQ = $(subst ','\'',$(libdir))
590
591ifneq ($(filter /%,$(firstword $(perfexecdir))),)
592perfexec_instdir = $(perfexecdir)
593else
594perfexec_instdir = $(prefix)/$(perfexecdir)
595endif
596perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
597
598# If we install to $(HOME) we keep the traceevent default:
599# $(HOME)/.traceevent/plugins
600# Otherwise we install plugins into the global $(libdir).
601ifdef DESTDIR
602plugindir=$(libdir)/traceevent/plugins
603plugindir_SQ= $(subst ','\'',$(plugindir))
604endif