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2013-11-14tools/perf/build: Fix feature-libunwind-debug-frame handlingIngo Molnar
Set feature-libunwind-debug-frame. We don't want it in CORE_FEATURE_TESTS because it's not the generic case, but we need to set it in the !feature-libunwind case. Also, because x86 distributions typically don't have dwarf_find_debug_frame() unwinding method: test-libunwind-debug-frame.c:(.text+0x31): undefined reference to `_Ux86_64_dwarf_find_debug_frame' Restrict this new API to ARM for the time being. With this patch test-all.c works again, so repeat perf builds are fast again: comet:~/tip> perf stat --null --repeat 5 make -C tools/perf/ [...] 0,452899660 seconds time elapsed ( +- 0,11% ) While with before it was: comet:~/tip> perf stat --null --repeat 5 make -C tools/perf/ [...] 1,674001829 seconds time elapsed ( +- 0,16% ) [ Includes fix to config/feature-checks/Makefile from Will Deacon. ] Tested-by: Will Deacon <will.deacon@arm.com> Tested-by: Jean Pihet <jean.pihet@linaro.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-scsoctqzmou3rpkixCHezy9e@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-11-14tools/perf/build: Fix timerfd feature checkIngo Molnar
'feature_timerfd' is checked all the time and calculated explicitly, in a serial fashion. Add it to CORE_FEATURE_TESTS which causes it to be built in parallel, using the newfangled parallel build autodetection code. This shaves 137 msecs off the perf build time on my system, which speeds up the common case cached build by 43%: Before: comet:~/tip> perf stat --null --repeat 5 make -C tools/perf/ [...] 0,453771441 seconds time elapsed ( +- 0,09% ) After: comet:~/tip> perf stat --null --repeat 5 make -C tools/perf/ [...] 0,316290185 seconds time elapsed ( +- 0,24% ) Cc: David Ahern <dsahern@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/n/tip-bb92CmexihopoSyqnkqepvsy@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-11-14Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds
Pull ARM updates from Russell King: "Included in this series are: 1. BE8 (modern big endian) changes for ARM from Ben Dooks 2. big.Little support from Nicolas Pitre and Dave Martin 3. support for LPAE systems with all system memory above 4GB 4. Perf updates from Will Deacon 5. Additional prefetching and other performance improvements from Will. 6. Neon-optimised AES implementation fro Ard. 7. A number of smaller fixes scattered around the place. There is a rather horrid merge conflict in tools/perf - I was never notified of the conflict because it originally occurred between Will's tree and other stuff. Consequently I have a resolution which Will forwarded me, which I'll forward on immediately after sending this mail. The other notable thing is I'm expecting some build breakage in the crypto stuff on ARM only with Ard's AES patches. These were merged into a stable git branch which others had already pulled, so there's little I can do about this. The problem is caused because these patches have a dependency on some code in the crypto git tree - I tried requesting a branch I can pull to resolve these, and all I got each time from the crypto people was "we'll revert our patches then" which would only make things worse since I still don't have the dependent patches. I've no idea what's going on there or how to resolve that, and since I can't split these patches from the rest of this pull request, I'm rather stuck with pushing this as-is or reverting Ard's patches. Since it should "come out in the wash" I've left them in - the only build problems they seem to cause at the moment are with randconfigs, and since it's a new feature anyway. However, if by -rc1 the dependencies aren't in, I think it'd be best to revert Ard's patches" I resolved the perf conflict roughly as per the patch sent by Russell, but there may be some differences. Any errors are likely mine. Let's see how the crypto issues work out.. * 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (110 commits) ARM: 7868/1: arm/arm64: remove atomic_clear_mask() in "include/asm/atomic.h" ARM: 7867/1: include: asm: use 'int' instead of 'unsigned long' for 'oldval' in atomic_cmpxchg(). ARM: 7866/1: include: asm: use 'long long' instead of 'u64' within atomic.h ARM: 7871/1: amba: Extend number of IRQS ARM: 7887/1: Don't smp_cross_call() on UP devices in arch_irq_work_raise() ARM: 7872/1: Support arch_irq_work_raise() via self IPIs ARM: 7880/1: Clear the IT state independent of the Thumb-2 mode ARM: 7878/1: nommu: Implement dummy early_paging_init() ARM: 7876/1: clear Thumb-2 IT state on exception handling ARM: 7874/2: bL_switcher: Remove cpu_hotplug_driver_{lock,unlock}() ARM: footbridge: fix build warnings for netwinder ARM: 7873/1: vfp: clear vfp_current_hw_state for dying cpu ARM: fix misplaced arch_virt_to_idmap() ARM: 7848/1: mcpm: Implement cpu_kill() to synchronise on powerdown ARM: 7847/1: mcpm: Factor out logical-to-physical CPU translation ARM: 7869/1: remove unused XSCALE_PMU Kconfig param ARM: 7864/1: Handle 64-bit memory in case of 32-bit phys_addr_t ARM: 7863/1: Let arm_add_memory() always use 64-bit arguments ARM: 7862/1: pcpu: replace __get_cpu_var_uses ARM: 7861/1: cacheflush: consolidate single-CPU ARMv7 cache disabling code ...
2013-11-12Merge branch 'devel-stable' into for-nextRussell King
Conflicts: arch/arm/include/asm/atomic.h arch/arm/include/asm/hardirq.h arch/arm/kernel/smp.c
2013-11-05tools/perf/build: Fix detection of non-core featuresDavid Ahern
feature_check needs to be invoked through call, and LDFLAGS may not be set so quotes are needed. Thanks to Jiri for spotting the quotes around LDFLAGS; that one was driving me nuts with the upcoming timerfd feature detection. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1383064996-20933-1-git-send-email-dsahern@gmail.com [ Fixed conflict with 8a0c4c2843d3 ("perf tools: Fix libunwind build and feature detection for 32-bit build") ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-05perf kvm: Disable live command if timerfd is not supportedDavid Ahern
If the OS does not have timerfd support (e.g., older OS'es like RHEL5) disable perf kvm stat live. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Jiri Olsa <jolsa@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1383064996-20933-2-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-04perf tools: Fix libunwind build and feature detection for 32-bit buildAdrian Hunter
Use -lunwind-x86 instead of -lunwind-x86_64 for 32-bit build. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1383313899-15987-5-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-04perf tools: Fix 32-bit cross buildAdrian Hunter
Setting EXTRA_CFLAGS=-m32 did not work because it was not passed around. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1383313899-15987-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-23perf tools: Fix non-debug buildAdrian Hunter
In the absence of s DEBUG variable definition on the command line perf tools was building without optimization. Fix by assigning DEBUG if it is not defined. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1382427258-17495-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-21perf tools: Fix test_on_exit for 32-bit buildAdrian Hunter
builtin-record.c:42:12: error: static declaration of 'on_exit' follows non-static declaration In file included from util/util.h:51:0, from builtin.h:4, from builtin-record.c:8: /usr/include/stdlib.h:536:12: note: previous declaration of 'on_exit' was here Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1382099356-4918-12-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-14tools/perf/build: Simplify the autodep inclusion ruleIngo Molnar
Namhyung Kim noticed that the autodep .d file inclusion rule was unnecessarily complicated: > > +-include *.d */*.d > > Hmm.. this */*.d part is really needed? Only include *.d files. Reported-by: Namhyung Kim <namhyung@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-14tools/perf/build: Improve the 'stackprotector' feature testIngo Molnar
Namhyung Kim noticed that the stackprotector testcase was incomplete: > The flag being checked should be -"W"stack-protector instead of > -"f"stack-protector. And the gcc manpage says that -Wstack-protector is > only active when -fstack-protector is active. So the end result should > look like > > $(BUILD) -Werror -fstack-protector -Wstack-protector Add -Wstack-protector. Reported-by: Namhyung Kim <namhyung@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-14tools/perf/build: Remove the volatile-register-var feature checkIngo Molnar
Namhyung Kim noticed that the volatile-register-var feature check is superfluous: > The gcc manpage says this warning is enabled by -Wall, and we add -Wall > to CFLAGS before doing feature checks. So all gcc versions that support > -Wvolatile-register-var enables it by default without this check and > older gcc versions will always fail the feature check. Remove it - this will further speed up feature checks. Reported-by: Namhyung Kim <namhyung@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-14tools/perf/build: Simplify the libelf logicIngo Molnar
Ulrich Drepper and Namhyung Kim reported that the libelf logic in config/Makefile is duplicated in part. Remove the duplication, and also remove the now unused FLAGS_LIBELF variable. Reported-by: Ulrich Drepper <drepper@gmail.com> Reported-by: Namhyung Kim <namhyung@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-14tools/perf/build: Fix DPACKAGE definitions for the libbfd et al testcasesIngo Molnar
Namhyung Kim reported these duplicate DPACKAGE definitions: test-libbfd: $(BUILD) -DPACKAGE='perf' -DPACKAGE=perf -lbfd -ldl Fix all affected places and use Namhyung's suggestion that the definition should look like a normal C string: -DPACKAGE='"perf"'. Reported-by: Namhyung Kim <namhyung@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-14tools/perf/build: Pass through DEBUG parameterIngo Molnar
Arnaldo reported that 'make DEBUG=1' does not work anymore. The reason is that 'Makefile' only passes it through to 'Makefile.perf' via the environment, but 'Makefile.perf' checks that it's a command line option: ifeq ("$(origin DEBUG)", "command line") PERF_DEBUG = $(DEBUG) endif So pass it through properly, and also clean up DEBUG parameter handling while at it and fix a couple of annoyances: - DEBUG=0 used to be interpreted as 'debugging on'. Turn it into 'debugging off' instead. - Same was the case for 'DEBUG=' - turn that into debug-off as well. - Pass in just a clean, sanitized 'DEBUG' value and get rid of the intermediate, unnecessary PERF_DEBUG variable. Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-14perf tools: Separate lbfd check out of NO_DEMANGLE conditionJiri Olsa
We fail build with NO_DEMANGLE with missing -lbfd externals error. The reason is that we now use bfd code in srcline object: perf tools: Implement addr2line directly using libbfd So we need to check/add -lbfd always now. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-11perf tools: Implement summary output for 'make install'Ingo Molnar
'make install' used to show all the install lines, which is way too verbose to be really informative to the user. Implement summary output instead: comet:~/tip/tools/perf> make install BUILD: Doing 'make -j12' parallel build SUBDIR Documentation INSTALL Documentation-man INSTALL binaries INSTALL libexec INSTALL perf-archive INSTALL perl-scripts INSTALL python-scripts INSTALL bash_completion-script INSTALL tests 'make install V=1' will still show the old, detailed output. Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1381312169-17354-5-git-send-email-mingo@kernel.org [ Fixed conflict with libperf-gtk patches in acme/perf/core, cope with 'trace' alias ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-11perf tools: Implement summary output for 'make clean'Ingo Molnar
'make clean' used to show all the rm lines, which isn't really informative in any way and spams the console. Implement summary output: comet:~/tip/tools/perf> make clean CLEAN libtraceevent CLEAN liblk CLEAN config CLEAN core-objs CLEAN core-progs CLEAN core-gen CLEAN Documentation CLEAN python 'make clean V=1' will still show the old, detailed output. Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1381312169-17354-2-git-send-email-mingo@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-11perf tools: Add missing -ldl for gtk buildJiri Olsa
If we build perf with NO_LIBPYTHON=1 NO_LIBPERL=1 the '-ldl' is not added to libs build fails if we have gtk2 code in, because it depends on it. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1380221754-29865-1-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-09perf tools: Implement addr2line directly using libbfdRoberto Vitillo
When the srcline sort key is used , the external addr2line utility needs to be run for each hist entry to get the srcline info. This can consume quite a time if one has a huge perf.data file. So rather than executing the external utility, implement it internally and just call it. We can do it since we've linked with libbfd already. Signed-off-by: Roberto Agostino Vitillo <ravitillo@lbl.gov> Reviewed-by: Jiri Olsa <jolsa@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1378876173-13363-9-git-send-email-namhyung@kernel.org [ Use a2l_data struct instead of static globals ] Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-09perf tools: Separate out GTK codes to libperf-gtk.soNamhyung Kim
Separate out GTK codes to a shared object called libperf-gtk.so. This time only GTK codes are built with -fPIC and libperf remains as is. Now run GTK hist and annotation browser using libdl. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Reviewed-by: Pekka Enberg <penberg@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1379053663-13706-1-git-send-email-namhyung@kernel.org [ Fix it up wrt Ingo's tools/perf build speedups ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-09tools/perf/build: Clean up feature_print_code()Jiri Olsa
Remove DUMMY by making sure 'feature_print' is evaluated and thus all messages are printed. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Link: http://lkml.kernel.org/r/20131008155110.GA15558@krava.redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Pass through LDFLAGS to feature testsIngo Molnar
David Ahern reported that when passing in LDFLAGS=-static then the feature checks still succeed - causing build failures down the line because the static libraries are missing. Solve this by passing through LDFLAGS to the feature-check Makefile. Reported-by: David Ahern <dsahern@gmail.com> Tested-by: David Ahern <dsahern@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20131007155129.GA1066@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Harmonize the style of the feature testcasesIngo Molnar
The various testcases used different styles, which was not really visible as long as they hid in feature-tests.mak. Now that they are out in the open make them prettier. ( Also delete the leftover, empty feature-tests.mak file. ) Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-drDWk8xltndjdsespzjbhu6w@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Make sure autodep feature binaries honor the O= settingIngo Molnar
Arnaldo noticed that the feature-check binaries are generated in the config/check-features/ directory even if O= is specified. Implement $(OUTPUT) logic for config/check-features/Makefile. Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-NLwlnv5prsubuey0vfocebym@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Collapse the test-all.c testcaseIngo Molnar
Simplify test-all.c by including it all the testcases via #include. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-pcZlwqq5ou7Ebvkekvhtzfbm@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Clean up various testcasesIngo Molnar
Prepare to include them into test-all.c directly, by making sure that they build cleanly and without warnings. Also make sure they make a certain amount of sense and don't crash when executed. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-Mn9gsdutzopoowk3xurqpsxE@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Remove unused config/feature-tests.makIngo Molnar
Also remove try-cc et al. These got obsoleted by the split-out feature checks in config/feature-checks/. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-Y6ailbiranadqlrl8Dfivjbi@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature checks: 'liberty', 'liberty-z', ↵Ingo Molnar
'cplus-demangle' Note that these are rarely executed tests, so we call feature_check() explicitly and don't have them in CORE_FEATURE_CHECKS. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-pvumlx6mbtfxffgrlwO2mRcx@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Standardize the various messages output by parallel makeIngo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-mky0rtpwxi3ivxsvdjoOEmhr@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Improve printout-of auto-detected featuresIngo Molnar
Change the print-out of auto-detected features by making sure that repeat invocations of 'make' when all features are successfully detected do not produce the (rather lengthy) autodetection printout. ( When one or more features are missing then we still print out the feature detection table, to make sure people are aware of the resulting limitations. ) Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-qd8sMsshcjomxqx9bQcufmaa@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Speed up auto-detectionIngo Molnar
The detection of certain rarely detected features can be delayed to when they are actually needed. So speed up the common case of auto-detection by pre-building only a core set of features and populating only their feature-flags. [ Features not listed in CORE_FEATURES need to built explicitly via the feature_check() function. ] (Also order the feature names alphabetically, while at it.) Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-xQkuveknd0gqla1dfxrqKpkl@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Speed up auto-detection of features by adding a 'test-all' ↵Ingo Molnar
target Concatenate all feature checks into test-all.c. This can be built and checked faster than all the individual tests. If test-all fails then we still check all the individual features, so this is a pure speedup, it should have no effects on functionality. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-5hlcb2qorzwfwrWTjiygjjih@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf: Turn strlcpy() into a __weak functionIngo Molnar
The strlcpy() feature check slows every build unnecessarily - so make it a __weak function so it does not have to be auto-detected. If the libc (or any other library) has an strlcpy() implementation it will be used - otherwise our fallback is active. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-zjbrcupapu08ePsyYhhhxiwk@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'backtrace'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-ihnwe6cvglVkudyvcavP1wql@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'on-exit'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-gmywXandzfxnlcbzlX6bkpw1@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'strlcpy'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-ektO8cgvupthhyqqczSok2sr@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'libbfd'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-cdxdfv7Corpfvjg9Skezhvjn@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'libpython-version'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-raHmlqlnv0zexsrPau8hhane@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'libpython'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-9wfutfb8ufFHrddrwlejqrai@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'libperl'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-ggucqbwFwpxyuxde6dm7itHq@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'gtk2-infobar'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-oumjyVjonjvgH8ts4mftagel@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'gtk2'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-gfwzurn7wywiviLp7Swyyqsy@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'libslang'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-FGmpkydfwqlkaw7yy8ewjpza@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'libaudit'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-orhejqtjao3vf4wxwBUdzhaz@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'libunwind'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-vTiatsVyva3tfgh3vhxaidxl@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Clean up the libunwind logic in config/MakefileIngo Molnar
Nest the rules properly. No change in functionality. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-jjlmizjmhockUs04wqnScnkl@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'libelf-getphdrnum'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-wa9qstb8erbjreLxiHepzjfw@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-10-09tools/perf/build: Split out feature check: 'libelf-mmap'Ingo Molnar
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/n/tip-9fxnxjcmrgbSvipxlwsdQ8fg@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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