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* perf build: Add libcrypto feature detectionStephane Eranian2016-02-051-0/+11
| | | | | | | | | | | | | | | | | | | | Will be used to generate build-ids in the jitdump code. Signed-off-by: Stephane Eranian <eranian@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Carl Love <cel@us.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: John McCutchan <johnmccutchan@google.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sonny Rao <sonnyrao@chromium.org> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/1448874143-7269-3-git-send-email-eranian@google.com [ tools/perf/Makefile.perf comment about NO_LIBCRYPTO and added it to tests/make ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Remove all condition feature check {C,LD}FLAGSWang Nan2016-01-291-54/+47
| | | | | | | | | | | | | 'make feature-dump' should give a stable result, so even 'NO_SOMETHING=1' is given (for babeltrace, if LIBBABELTRACE=1 is not given), we should try to detect those feature and {C,LD}FLAGS. Build or not should be controled independent. Signed-off-by: Wang Nan <wangnan0@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Li Zefan <lizefan@huawei.com> Link: http://lkml.kernel.org/r/1454047050-204993-1-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Introduce FEATURES_DUMP make variableJiri Olsa2016-01-151-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introducing FEATURES_DUMP make variable to provide features detection dump file and bypass the feature detection. The intention is to use this during build tests to skip repeated features detection, like: Get feature dump static build into /tmp/fd file: $ make feature-dump FEATURE_DUMP_COPY=/tmp/fd LDFLAGS=-static BUILD: Doing 'make -j4' parallel build Auto-detecting system features: ... dwarf: [ OFF ] SNIP FEATURE-DUMP file copied into /tmp/fd Use /tmp/fd to build perf: $ make FEATURES_DUMP=/tmp/fd LDFLAGS=-static $ file perf perf: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for ... Suggested-by: Wang Nan <wangnan0@huawei.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1452830421-77757-7-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Set and pass DOCDIR to builtin-report.cNamhyung Kim2016-01-121-0/+3
| | | | | | | | | | | | | | It'll be used to locate perf document directory to find tips.txt in case it's not installed on the system. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1452334589-8782-3-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* tools: Move Makefile.arch from perf/config to tools/scriptsWang Nan2016-01-112-19/+1
| | | | | | | | | | | | | | | | | After this patch other directories can use this architecture detector without directly including it from perf's directory. Libbpf would utilize it to get proper $(ARCH) so it can receive correct uapi include directory. Tested-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Signed-off-by: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1452520124-2073-8-git-send-email-wangnan0@huawei.com [ Add missing srctree definition in tests/make ] Signed-off-by: Arnaldo Carvalho de Melo <acme@kernel.org>
* perf tools: Add -lutil in python lib list for broken python-configWang Nan2016-01-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | On some system the perf-config is broken, causes link failure like this: /usr/lib64/python2.7/config/libpython2.7.a(posixmodule.o): In function `posix_forkpty': /opt/wangnan/yocto-build/tmp-eglibc/work/x86_64-oe-linux/python/2.7.3-r0.3.1/Python-2.7.3/./Modules/posixmodule.c:3816: undefined reference to `forkpty' /usr/lib64/python2.7/config/libpython2.7.a(posixmodule.o): In function `posix_openpty': /opt/wangnan/yocto-build/tmp-eglibc/work/x86_64-oe-linux/python/2.7.3-r0.3.1/Python-2.7.3/./Modules/posixmodule.c:3756: undefined reference to `openpty' collect2: error: ld returned 1 exit status make[1]: *** [/home/wangnan/kernel-hydrogen/tools/perf/out/perf] Error 1 make: *** [all] Error 2 $ python-config --libs -lpthread -ldl -lpthread -lutil -lm -lpython2.7 In this case a '-lutil' should be appended to -lpython2.7. (I know we have --start-group and --end-group. I can see them in command line of collect2 by strace. However it doesn't work. Seems I have a broken environment?) Signed-off-by: Wang Nan <wangnan0@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1452520124-2073-2-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf report: Show random usage tip on the help lineNamhyung Kim2016-01-081-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently perf report only shows a help message "For a higher level overview, try: perf report --sort comm,dso" unconditionally (even if the sort keys were used). Add more help tips and show randomly. Load tips from ${prefix}/share/doc/perf-tip/tips.txt file. $ perf report | tail 0.10% swapper [kernel.vmlinux] [k] irq_exit 0.09% swapper [kernel.vmlinux] [k] flush_smp_call_function_queue 0.08% swapper [kernel.vmlinux] [k] native_write_msr_safe 0.03% swapper [kernel.vmlinux] [k] group_sched_in 0.01% perf [kernel.vmlinux] [k] native_write_msr_safe # # (Tip: Search options using a keyword: perf report -h <keyword>) # Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1452166913-27046-1-git-send-email-namhyung@kernel.org [ Renamed it to perf_tip() and the parameter dirname to dirpath to fix the build on older distros ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* tools build feature: Move dwarf post unwind choice output into perfJiri Olsa2016-01-061-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | We decide what dwarf unwind to choose way after the Makefile.feature makefile is included. The $(dwarf-post-unwind) is not even set at that time. For the same reason it was never included in FEATURE-DUMP file. Moving it into perf VF=1 verbose display. $ make VF=1 BUILD: Doing 'make -j4' parallel build Auto-detecting system features: ... dwarf: [ on ] ... ... LIBUNWIND_DIR: ... LIBDW_DIR: ... DWARF post unwind library: libunwind ... Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Wang Nan <wangnan0@huawei.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama <pi3orama@163.com> Link: http://lkml.kernel.org/r/1450893514-9158-3-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* Revert "perf tools: Improve setting of gcc debug option"Arnaldo Carvalho de Melo2015-12-102-21/+0
| | | | | | | | | | | | | | | | | This reverts commit e8b7ea4356fdd3c4de5478f3418eb84f8dce2b61. Martin created a gcc PR: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68836 Reported-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Martin Liska <mliska@suse.cz> Cc: Namhyung Kim <namhyung@kernel.org>, Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20151202164827.GA21124@krava.brq.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf bpf: Add BPF_PROLOGUE config options for further patchesWang Nan2015-11-181-0/+12
| | | | | | | | | | | | | | | | | | | | | If both LIBBPF and DWARF are detected, it is possible to create prologue for eBPF programs to help them access kernel data. HAVE_BPF_PROLOGUE and CONFIG_BPF_PROLOGUE are added as flags for this feature. PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET is introduced in commit 63ab024a5b6f295ca17a293ad81b7c728f49a89a ("perf tools: regs_query_register_offset() infrastructure"), which indicates that an architecture supports converting name of a register to its offset in 'struct pt_regs'. Without this support, BPF_PROLOGUE should be turned off. Signed-off-by: Wang Nan <wangnan0@huawei.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1447675815-166222-9-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Make perf depend on libbpfWang Nan2015-10-281-1/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | By adding libbpf into perf's Makefile, this patch enables perf to build libbpf if libelf is found and neither NO_LIBELF nor NO_LIBBPF is set. The newly introduced code is similar to how libapi and libtraceevent are wired into Makefile.perf. MANIFEST is also updated for 'make perf-*-src-pkg'. Append make_no_libbpf to tools/perf/tests/make. The 'bpf' feature check is appended into default FEATURE_TESTS and FEATURE_DISPLAY, so perf will check the API version of bpf in /path/to/kernel/include/uapi/linux/bpf.h. Which should not fail except when we are trying to port this code to an old kernel. Error messages are also updated to notify users about the lack of BPF support in 'perf record' if libelf is missing or the BPF API check failed. tools/lib/bpf is added to TAG_FOLDERS to allow us to navigate libbpf files when working on perf using tools/perf/tags. Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Cc: Brendan Gregg <brendan.d.gregg@gmail.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: David Ahern <dsahern@gmail.com> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kaixu Xia <xiakaixu@huawei.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1444826502-49291-2-git-send-email-wangnan0@huawei.com [ Document NO_LIBBPF in Makefile.perf, noted by Jiri Olsa ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* Merge branch 'perf/urgent' into perf/core, to pick up fixes before applying ↵Ingo Molnar2015-09-181-5/+15
|\ | | | | | | | | | | new changes Signed-off-by: Ingo Molnar <mingo@kernel.org>
| * tools build: Add test for presence of __get_cpuid() gcc builtinArnaldo Carvalho de Melo2015-09-171-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The auxtrace code needed by Intel PT uses the __get_cpuid() gcc builtin, that is not present in old systems, breaking the build. Add a test to check for that builtin and disable AUXTRACE in those systems. [acme@rhel5 linux]$ make NO_LIBPERL=1 -C tools/perf O=/tmp/build/perf install-bin make: Entering directory `/home/acme/git/linux/tools/perf' BUILD: Doing 'make -j2' parallel build Auto-detecting system features: <SNIP> ... lzma: [ on ] ... get_cpuid: [ OFF ] <SNIP> config/Makefile:630: Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc MKDIR /tmp/build/perf/util/ <SNIP> This fixes the build on old systems such as RHEL/CentOS 5.11. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Stephane Eranian <eranian@google.com> Cc: Victor Kamensky <victor.kamensky@linaro.org> Cc: Vinson Lee <vlee@twopensource.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-d4puslul0jltoodzpx9r4sje@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * tools build: Add test for presence of numa_num_possible_cpus() in libnumaArnaldo Carvalho de Melo2015-09-171-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The existing numa test checks only if numa.h and numa_available() are present, but that can be satisfied with an old libnuma that is not enough for the 'perf bench numa' entry, so add a test to check for that: [acme@rhel5 linux]$ make NO_AUXTRACE=1 NO_LIBPERL=1 -C tools/perf O=/tmp/build/perf install-bin make: Entering directory `/home/acme/git/linux/tools/perf' BUILD: Doing 'make -j2' parallel build Auto-detecting system features: ... libelf: [ on ] ... libnuma: [ on ] ... numa_num_possible_cpus: [ OFF ] ... libperl: [ on ] <SNIP> config/Makefile:577: Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8 INSTALL binaries <SNIP> This fixes the build on old systems such as RHEL/CentOS 5.11. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Stephane Eranian <eranian@google.com> Cc: Victor Kamensky <victor.kamensky@linaro.org> Cc: Vinson Lee <vlee@twopensource.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-zqriqkezppi2de2iyjin1tnc@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | perf tools: regs_query_register_offset() infrastructureWang Nan2015-09-151-0/+4
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | regs_query_register_offset() is a helper function which converts register name like "%rax" to offset of a register in 'struct pt_regs', which is required by BPF prologue generator. PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET indicates an architecture supports converting name of a register to its offset in 'struct pt_regs'. HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET is introduced as the corresponding CFLAGS of PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET. Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Alexei Starovoitov <ast@plumgrid.com> Cc: Brendan Gregg <brendan.d.gregg@gmail.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kaixu Xia <xiakaixu@huawei.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1441523623-152703-19-git-send-email-wangnan0@huawei.com Signed-off-by: He Kuang <hekuang@huawei.com> [ Extracted from eBPF patches ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Support static linking with libdwAndi Kleen2015-08-131-1/+5
| | | | | | | | | | | | | | | The Fedora 22 version of libdw requires a couple of extra libraries to link. With a dynamic link the dependencies are pulled in automatically, but this doesn't work for static linking. Add the needed libraries explicitely to the feature probe and the Makefile. v2: Explicitly check for static linking and only add the dependencies when -static is set. This is to avoid regressions on Arnaldo's system. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/1439419717-20601-1-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* Merge branch 'perf/urgent' into perf/core, to merge fixes before pulling ↵Ingo Molnar2015-07-311-1/+1
|\ | | | | | | | | | | more changes Signed-off-by: Ingo Molnar <mingo@kernel.org>
| * perf tools: Fix test build error when bindir contains double slashPawel Moll2015-07-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When building with a prefix ending with a slash, for example: $ make prefix=/usr/local/ one of the perf tests fail to compile due to BUILD_STR macro mishandling bindir_SQ string containing with two slashes: -DBINDIR="BUILD_STR(/usr/local//bin)" with the following error: CC tests/attr.o tests/attr.c: In function ‘test__attr’: tests/attr.c:168:50: error: expected ‘)’ before ‘;’ token snprintf(path_perf, PATH_MAX, "%s/perf", BINDIR); ^ tests/attr.c:176:1: error: expected ‘;’ before ‘}’ token } ^ tests/attr.c:176:1: error: control reaches end of non-void function [-Werror=return-type] } ^ cc1: all warnings being treated as errors This patch works around the problem by "cleaning" the bindir string using make's abspath function. Signed-off-by: Pawel Moll <pawel.moll@arm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1438092613-21014-1-git-send-email-pawel.moll@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | perf tools: Fix makefile generation under dashSergei Trofimovich2015-07-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Under dash 'echo -n' yields '-n' to stdout. Use printf "" instead. Signed-off-by: Sergei Trofimovich <siarheit@google.com> Acked-by: Ingo Molnar <mingo@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1437298205-29305-1-git-send-email-siarheit@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | perf trace: Support 'strace' syscall event groupsArnaldo Carvalho de Melo2015-07-201-0/+6
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I.e.: $ cat ~/share/perf-core/strace/groups/file access chmod creat execve faccessat getcwd lstat mkdir open openat quotactl readlink rename rmdir stat statfs symlink unlink $ Then, on a quiet desktop, try running this and then moving your mouse to see the deluge of mouse related activity: # perf probe 'vfs_getname=getname_flags:72 pathname=filename:string' Added new event: probe:vfs_getname (on getname_flags:72 with pathname=filename:string) You can now use it in all perf tools, such as: perf record -e probe:vfs_getname -aR sleep 1 # # trace --ev probe:vfs_getname --filter-pids 2232 -e file 0.042 (0.042 ms): mousetweaks/2235 open(filename: 0x14e3910, mode: 438 ) ... 0.042 ( ): probe:vfs_getname:(ffffffff812230bc) pathname="/home/acme/.icons/Adwaita/cursors/xterm") 0.100 (0.100 ms): mousetweaks/2235 ... [continued]: open()) = -1 ENOENT No such file or directory 0.142 (0.018 ms): mousetweaks/2235 open(filename: 0x14c3c10, mode: 438 ) ... 0.142 ( ): probe:vfs_getname:(ffffffff812230bc) pathname="/home/acme/.icons/Adwaita/index.theme") 0.192 (0.069 ms): mousetweaks/2235 ... [continued]: open()) = -1 ENOENT No such file or directory 0.230 (0.017 ms): mousetweaks/2235 open(filename: 0x14c3c10, mode: 438 ) ... 0.230 ( ): probe:vfs_getname:(ffffffff812230bc) pathname="/usr/share/icons/Adwaita/cursors/xterm") 0.253 (0.041 ms): mousetweaks/2235 ... [continued]: open()) = 14 0.459 (0.008 ms): mousetweaks/2235 open(filename: 0x14e3910, mode: 438 ) ... 0.459 ( ): probe:vfs_getname:(ffffffff812230bc) pathname="/home/acme/.icons/Adwaita/cursors/left_side") 0.468 (0.017 ms): mousetweaks/2235 ... [continued]: open()) = -1 ENOENT No such file or directory Need to combine that raw_syscalls:sys_enter(open) + probe:vfs_getname + raw_syscalls:sys_exit(open) sequence... Now, if you're bored, please write some more syscall groups, like the ones in 'strace' and send it our way :-) Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Milian Wolff <mail@milianw.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-a42xklu59lcbxp7bbnic74a8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Create config.detected into OUTPUT directoryAaro Koskinen2015-07-011-3/+3
| | | | | | | | | | | | | | Create config.detected into OUTPUT directory instead of source directory. This fixes parallel builds that share the same source directory. Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1435751683-18500-1-git-send-email-aaro.koskinen@nokia.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Improve setting of gcc debug optionMartin Liska2015-05-272-0/+21
| | | | | | | | | | | Correct debugging experience is given by passing -Og to compiler. Do it in a way that supports older compilers Signed-off-by: Martin Liska <mliska@suse.cz> Acked-by: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/5564393C.1090104@suse.cz Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Fix libunwind feature detection on 32-bit x86Adrian Hunter2015-05-271-1/+1
| | | | | | | | | | | | | | | | | | | | | The libunwind feature would never detect because of the following error: $ cat tools/build/feature/test-libunwind.make.output /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libunwind-x86.so: undefined reference to `lzma_stream_buffer_decode' /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libunwind-x86.so: undefined reference to `lzma_index_uncompressed_size' /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libunwind-x86.so: undefined reference to `lzma_index_end' /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libunwind-x86.so: undefined reference to `lzma_index_buffer_decode' /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libunwind-x86.so: undefined reference to `lzma_stream_footer_decode' /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libunwind-x86.so: undefined reference to `lzma_index_size' collect2: error: ld returned 1 exit status Fix by adding -llzma and re-ordering to match the dependencies. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Link: http://lkml.kernel.org/r/1432040746-1755-3-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Disable libdw DWARF unwind when built with NO_DWARFNaveen N. Rao2015-05-081-0/+4
| | | | | | | | | We get a linker error if we try to build with NO_DWARF since we build util/unwind-libdw.c, but do not include -ldw Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/1430306131-6780-1-git-send-email-naveen.n.rao@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Add build option NO_AUXTRACE to exclude AUX area tracingAdrian Hunter2015-05-051-0/+5
| | | | | | | | | | | | | | | | | Add build option NO_AUXTRACE to exclude compiling support for AUX area tracing. Support for both recording and processing is excluded and by implication any future additions such as Intel PT and Intel BTS will also not be compiled in with this option. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1430404667-10593-5-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Disable libbabeltrace check by defaultJiri Olsa2015-03-301-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Disabling libbabeltrace check by default and replacing the NO_LIBBABELTRACE make variable with LIBBABELTRACE. Users wanting the libbabeltrace feature need to build via: $ make LIBBABELTRACE=1 The reason for this is that the libababeltrace interface we use (version 1.3) hasn't been packaged/released yet, thus the failing feature check only slows down build and confuses other (non CTF) developers. Requested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jeremie Galarneau <jgalar@efficios.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20150328103030.GA8431@krava.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Add lzma decompression support for kernel moduleJiri Olsa2015-03-211-0/+11
| | | | | | | | | | | | | | | | | | | | In short, Fedora compresses kernel modules now (since version 21) with lzma compression. Adding lzma decompress support into the dso.c:compressions array introduced by Namhyung earlier. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@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/n/tip-2glp65kdtbrk0gblmirsjsnt@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Move feature checks code under tools/buildJiri Olsa2015-03-2134-784/+1
| | | | | | | | | | | | | | | | Moving feature checks code under tools/build directory. Changing also $feature_dir to point to new feature directory location and perf Makefiles to include Makefile.feature from new location. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-3lamtb30dhf4wo99y1n8kxg0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Make features checks directory configurableJiri Olsa2015-03-211-2/+4
| | | | | | | | | | | | | | Putting feature checks directory into $feature_dir, so it's easy to configure when we move it to bools/build later. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-sq2nsds6uk93372iyxcqcf6q@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Separate feature make support into config/Makefile.featureJiri Olsa2015-03-212-164/+168
| | | | | | | | | | | | | | | Move feature related code into separate makefile. The new Makefile.feature is included from config/Makefile. It will be moved later into tools/build. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-kj76wphg05x83n6d5ff85ybx@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Fix feature_check name clashJiri Olsa2015-03-211-3/+3
| | | | | | | | | | | | | | We have 2 feature_check functions, which conflict with each other. Fixing it by renaming the latter to feature_display_check. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-wmyccro6qeffseforipu5kcl@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Add config/feature-checks/*.output to the .gitignore fileYunlong Song2015-03-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | They are all auto-generated files during the perf building. Before this patch: $ git status Untracked files: (use "git add <file>..." to include in what will be committed) config/feature-checks/test-all.make.output config/feature-checks/test-backtrace.make.output config/feature-checks/test-bionic.make.output config/feature-checks/test-dwarf.make.output config/feature-checks/test-fortify-source.make.output config/feature-checks/test-glibc.make.output config/feature-checks/test-gtk2-infobar.make.output config/feature-checks/test-gtk2.make.output config/feature-checks/test-libaudit.make.output config/feature-checks/test-libbabeltrace.make.output config/feature-checks/test-libbfd.make.output config/feature-checks/test-libdw-dwarf-unwind.make.output config/feature-checks/test-libelf-getphdrnum.make.output config/feature-checks/test-libelf-mmap.make.output config/feature-checks/test-libelf.make.output config/feature-checks/test-libnuma.make.output config/feature-checks/test-libperl.make.output config/feature-checks/test-libpython-version.make.output config/feature-checks/test-libpython.make.output config/feature-checks/test-libslang.make.output config/feature-checks/test-libunwind.make.output config/feature-checks/test-pthread-attr-setaffinity-np.make.output config/feature-checks/test-stackprotector-all.make.output config/feature-checks/test-sync-compare-and-swap.make.output config/feature-checks/test-timerfd.make.output config/feature-checks/test-zlib.make.output After this patch: $ git status nothing to commit, working directory clean Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1426821638-11227-3-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Fix perf-read-vdsox32 not building and lib64 install dirH.J. Lu2015-03-191-2/+2
| | | | | | | | | | | | | | | | | | | Commit: c6e5e9fbc3ea ("perf tools: Fix building error in x86_64 when dwarf unwind is on") removed the definition of IS_X86_64 but not all places using it, with the consequence that perf-read-vdsox32 would not be built anymore, and the default lib install directory was 'lib' instead of 'lib64'. Also needs to go to v3.19. Signed-off-by: H.J. Lu <hjl.tools@gmail.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: stable@vger.kernel.org # 3.19 Link: http://lkml.kernel.org/r/CAMe9rOqpGVq3D88w+D15ef7sv6G6k57ZeTvxBm46=WFgzo9p1w@mail.gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Rename feature_print_var_code to print_var_codeJiri Olsa2015-03-181-11/+12
| | | | | | | | | | | | | | As it has nothing to do with features and won't be moved into tools/build. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-6qgf37nss4wwjatgj5i4ng0o@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Rename PERF-FEATURES into FEATURE-DUMPJiri Olsa2015-03-181-6/+6
| | | | | | | | | | | | | | Preparing for feature checks separation, moving related stuff under 'FEATURE*' namespace. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-v9oo22ra70rrk1dy495a7bjc@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Rename display_vf to feature_verboseJiri Olsa2015-03-181-2/+2
| | | | | | | | | | | | | | Preparing for feature checks separation, moving related stuff under 'feature*' namespace. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-ciaflab01mf0ljmfb9xr4p41@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Rename display_lib into feature_displayJiri Olsa2015-03-181-6/+6
| | | | | | | | | | | | | | Preparing for feature checks separation, moving related stuff under 'feature*' namespace. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-t72o4nwx81owjv14y43b2wpf@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Get rid of VF_FEATURE_TESTSJiri Olsa2015-03-181-25/+7
| | | | | | | | | | | | | | | | | | It only contains (FEATURE_TESTS - FEATURE_DISPLAY) tests to display the rest of the checks on 'make VF=1'. But we can actually compute this list, which is less confusing. Also renaming LIB_FEATURE_TESTS into FEATURE_DISPLAY, so it reflects what this variable actually does - display its tests status to user. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-gs160y03hpmx5ezpcr4gunxc@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Rename CORE_FEATURE_TESTS to FEATURE_TESTSJiri Olsa2015-03-181-6/+6
| | | | | | | | | | | | | | Preparing for feature checks separation, moving related stuff under 'FEATURE*' namespace. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-iobj4f9gygcakrk2v5u61159@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Get rid of LIB_INCLUDE variableJiri Olsa2015-03-181-2/+1
| | | | | | | | | | | | | It has no use, so we can directly use the value for CFLAGS. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-ywyr5v962s32daq5hpgfkjap@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Fix pthread-attr-setaffinity-np include in test-allJiri Olsa2015-03-181-1/+1
| | | | | | | | | | | | | | The test-all fails to build due to type in pthread-attr-setaffinity-np include. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-awn2658267slejnebyrlns86@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Move features build output under features directoryJiri Olsa2015-03-182-3/+4
| | | | | | | | | | | | | | | | | | | Following commit introduced features build dump: 443a70541c56 perf tools: Output feature detection's gcc output to a file Moving them into to have code more compact and renaming build dump files. For each feature 'test-X' new file 'test-X.make.output' is created and contains the build out. It's created in the same directory as the feature itself. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-dk6svnhcephrzgz4mfpcmtm7@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Disable default check for libbabeltraceJiri Olsa2015-03-183-8/+14
| | | | | | | | | | | | | | | | | | | Remove libbabeltrace check from default features set, because the requested version is not released yet in most distributions. We'll enable later. Calling libbabeltrace check manually via feature_check before $(feature-libbabeltrace) is used. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <david.ahern@oracle.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-5n7mr6ugcwdbxk0n1z8uukaa@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Fix building error for arm64.Wang Nan2015-03-181-1/+1
| | | | | | | | | | | | | | | | Commit b11db6581beaccef8ae9a388ae96074aa5cc144f ("perf tools: Fix build error on ARCH=i386/x86_64/sparc64") uses sed on ARCH, which triggers a bug in sequence of sed expression, where 's/arm.*/arm/' will replace 'arm64' to 'arm', causes arm64 building failure. This patch prevent 'arm64' to be mached for 'arm.*' case. Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Zefan Li <lizefan@huawei.com> Link: http://lkml.kernel.org/r/1426598987-75245-1-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Output feature detection's gcc output to a fileArnaldo Carvalho de Melo2015-03-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So that we can debug feature detection problems. It will appear on $(OUTPUT)feature-checks/.make-libbabeltrace.output, using the libbabeltrace feature test. Whole process: [acme@ssdandy linux]$ make -C tools/perf install-bin make: Entering directory `/home/acme/git/linux/tools/perf' BUILD: Doing 'make -j8' parallel build config/Makefile:425: No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR config/Makefile:709: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev Auto-detecting system features: ... dwarf: [ on ] ... glibc: [ on ] ... gtk2: [ on ] ... libaudit: [ on ] ... libbfd: [ on ] ... libelf: [ on ] ... libnuma: [ on ] ... libperl: [ on ] ... libpython: [ on ] ... libslang: [ on ] ... libunwind: [ OFF ] ... libdw-dwarf-unwind: [ on ] ... libbabeltrace: [ OFF ] <SNIP> [acme@ssdandy linux]$ find tools/perf -name ".make-*.output" | grep lib | tail -5 tools/perf/config/feature-checks/.make-libdw-dwarf-unwind.output tools/perf/config/feature-checks/.make-libbabeltrace.output tools/perf/config/feature-checks/.make-zlib.output tools/perf/config/feature-checks/.make-liberty.output tools/perf/config/feature-checks/.make-liberty-z.output [acme@ssdandy linux]$ [acme@ssdandy linux]$ cat tools/perf/config/feature-checks/.make-libbabeltrace.output make[1]: Entering directory `/home/acme/git/linux/tools/perf/config/feature-checks' gcc -MD -Wall -Werror -o test-libbabeltrace.bin test-libbabeltrace.c -Wl,-z,noexecstack -lbabeltrace-ctf # -lbabeltrace provided by test-libbabeltrace.c:2:42: fatal error: babeltrace/ctf-writer/writer.h: No such file or directory #include <babeltrace/ctf-writer/writer.h> ^ compilation terminated. make[1]: *** [test-libbabeltrace.bin] Error 1 make[1]: Leaving directory `/home/acme/git/linux/tools/perf/config/feature-checks' [acme@ssdandy linux]$ So the libbabeltrace feature will not be builtin, but if we do what is required for it to be built, namely point where we have it installed: [acme@ssdandy linux]$ time make -C tools/perf LIBBABELTRACE_DIR=/opt/libbabeltrace install-bin make: Entering directory `/home/acme/git/linux/tools/perf' BUILD: Doing 'make -j8' parallel build config/Makefile:425: No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR Auto-detecting system features: ... dwarf: [ on ] ... glibc: [ on ] ... gtk2: [ on ] ... libaudit: [ on ] ... libbfd: [ on ] ... libelf: [ on ] ... libnuma: [ on ] ... libperl: [ on ] ... libpython: [ on ] ... libslang: [ on ] ... libunwind: [ OFF ] ... libdw-dwarf-unwind: [ on ] ... libbabeltrace: [ on ] ... zlib: [ on ] ... DWARF post unwind library: libdw <SNIP> [acme@ssdandy linux]$ find tools/perf -name ".make-libbabel*.output" | grep lib | tail -5 tools/perf/config/feature-checks/.make-libbabeltrace.output [acme@ssdandy linux]$ cat tools/perf/config/feature-checks/.make-libbabeltrace.output make[1]: Entering directory `/home/acme/git/linux/tools/perf/config/feature-checks' gcc -MD -I/opt/libbabeltrace/include -Wall -Werror -o test-libbabeltrace.bin test-libbabeltrace.c -Wl,-z,noexecstack -L/opt/libbabeltrace/lib -lbabeltrace-ctf # -lbabeltrace provided by make[1]: Leaving directory `/home/acme/git/linux/tools/perf/config/feature-checks' [acme@ssdandy linux]$ Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jeremie Galarneau <jgalar@efficios.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-h53xwueqwdeeiqcv9f50nqqb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf build: Fix libbabeltrace detectionJiri Olsa2015-03-121-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Following patch added -Werror for feature builds: b49f1a4be701 perf tools: Improve feature test debuggability and exposed a problem in the libbabeltrace feature build, because it was including wrong header and gcc couldn't find the used symbol definition. Adding proper header and keeping the old one as it is needed also (libbabeltrace quirk). Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jeremie Galarneau <jgalar@efficios.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20150310120035.GA4333@krava.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Initialize cpu set in pthread_attr_setaffinity_np feature testAdrian Hunter2015-03-021-1/+3
| | | | | | | | | | | | | | | Feature tests are compiled but not executed, however it might avoid a future uninitialized variable warning, so initialize the cpu set. Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-tip-commits@vger.kernel.org Link: http://lkml.kernel.org/r/54F41849.1010906@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Improve 'libbabel' feature check failure messageIngo Molnar2015-03-021-1/+1
| | | | | | | | | | | | | On Debian-ish systems libbabeltrace-dev should be suggested as a package install as well. Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: David Ahern <david.ahern@oracle.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150228091849.GA28959@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Improve feature test debuggabilityIngo Molnar2015-03-021-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Certain feature tests fail with link errors: triton:~/tip/tools/perf/config/feature-checks> make test-libbabeltrace.bin gcc -MD -o test-libbabeltrace.bin test-libbabeltrace.c # -lbabeltrace provided by /tmp/cc6dRSqd.o: In function `main': test-libbabeltrace.c:(.text+0xf): undefined reference to `bt_ctf_stream_class_get_packet_context_type' although they should already fail with a build error due to lack of a proper prototype for the function. Due to this I first tried to find which library was missing - while it was the whole feature that was missing from the .h file already. To solve this, propagate -Wall -Werror to all testcases and remove them from testcase Makefile rules that used them explicitly. A missing feature now outputs: triton:~/tip/tools/perf/config/feature-checks> make test-libbabeltrace.bin gcc -MD -Wall -Werror -o test-libbabeltrace.bin test-libbabeltrace.c # -lbabeltrace provided by test-libbabeltrace.c: In function ‘main’: test-libbabeltrace.c:6:2: error: implicit declaration of function ‘bt_ctf_stream_class_get_packet_context_type’ [-Werror=implicit-function-declaration] Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: David Ahern <david.ahern@oracle.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150228091627.GF31887@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Improve libbfd detection messageIngo Molnar2015-03-021-1/+1
| | | | | | | | | | | | | | | | | | | | | Before: No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling After: No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling Change the message to the standard 'please install' language and also add libiberty-dev suggestion for Ubuntu systems. Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: David Ahern <david.ahern@oracle.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150228084610.GE31887@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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