Changes in make

3cc550f5 - perf tools: Remove dependency on libaudit

Thu, 09 Jan 2025 02:36:31 +0000

perf tools: Remove dependency on libauditAll architectures now support HAVE_SYSCALL_TABLE_SUPPORT, so the flag isno longer needed. With the removal of the flag, the relatedGENERIC_SYSCALL_TABLE can also be removed.libaudit was only used as a fallback for when HAVE_SYSCALL_TABLE_SUPPORTwas not defined, so libaudit is also no longer needed for anyarchitecture.Signed-off-by: Charlie Jenkins Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Arnd Bergmann Cc: Christian Brauner Cc: Guo Ren Cc: Günther Noack Cc: Ian Rogers Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: John Garry Cc: Jonathan Corbet Cc: Leo Yan Cc: Mark Rutland Cc: Mickaël Salaün Cc: Mike Leach Cc: Namhyung Kim Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Peter Zijlstra Cc: Will Deacon Link: https://lore.kernel.org/r/20250108-perf_syscalltbl-v6-16-7543b5293098@rivosinc.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

13e17c9f - perf build: Make libunwind opt-in rather than opt-out

Mon, 28 Oct 2024 19:36:19 +0000

perf build: Make libunwind opt-in rather than opt-outHaving multiple unwinding libraries makes the perf code harder tounderstand and we have unused/untested code paths.Perf made BPF support an opt-out rather than opt-in feature. As libbpfhas a libelf dependency, elfutils that provides libelf will alsoprovide libdw. When libdw is present perf will use libdw unwindingrather than libunwind unwinding even if libunwind support is compiledin.Rather than have libunwind built into perf and never used, explicitlydisable the support and make it opt-in.Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Link: https://lore.kernel.org/r/20241028193619.247727-1-irogers@google.comCloses: https://lore.kernel.org/linux-perf-users/CAP-5=fUXkp-d7gkzX4eF+nbjb2978dZsiHZ9abGHN=BN1qAcbg@mail.gmail.com/Signed-off-by: Namhyung Kim List of files: /linux-6.15/tools/perf/tests/make

c3f8644c - perf report: Support LLVM for addr2line()

Sat, 03 Aug 2024 15:20:06 +0000

perf report: Support LLVM for addr2line()In addition to the existing support for libbfd and calling out toan external addr2line command, add support for using libllvm directly.This is both faster than libbfd, and can be enabled in distro builds(the LLVM license has an explicit provision for GPLv2 compatibility).Thus, it is set as the primary choice if available.As an example, running 'perf report' on a medium-size profile withDWARF-based backtraces took 58 seconds with LLVM, 78 seconds withlibbfd, 153 seconds with external llvm-addr2line, and I got tired andaborted the test after waiting for 55 minutes with external bfdaddr2line (which is the default for perf as compiled by distributionstoday).Evidently, for this case, the bfd addr2line process needs 18 seconds (ona 5.2 GHz Zen 3) to load the .debug ELF in question, hits the 1-secondtimeout and gets killed during initialization, getting restarted anewevery time. Having an in-process addr2line makes this much more robust.As future extensions, libllvm can be used in many other places wherewe currently use libbfd or other libraries: - Symbol enumeration (in particular, for PE binaries). - Demangling (including non-Itanium demangling, e.g. Microsoft or Rust). - Disassembling (perf annotate).However, these are much less pressing; most people don't profile PEbinaries, and perf has non-bfd paths for ELF. The same with demangling;the default _cxa_demangle path works fine for most users, and while bfdobjdump can be slow on large binaries, it is possible to use--objdump=llvm-objdump to get the speed benefits. (It appearsLLVM-based demangling is very simple, should we want that.)Tested with LLVM 14, 15, 16, 18 and 19. For some reason, LLVM 12 was notcorrectly detected using feature_check, and thus was not tested.Committer notes: Added the name and a __maybe_unused to address: 1 13.50 almalinux:8 : FAIL gcc version 8.5.0 20210514 (Red Hat 8.5.0-22) (GCC) util/srcline.c: In function 'dso__free_a2l': util/srcline.c:184:20: error: parameter name omitted void dso__free_a2l(struct dso *) ^~~~~~~~~~~~ make[3]: *** [/git/perf-6.11.0-rc3/tools/build/Makefile.build:158: util] Error 2Signed-off-by: Steinar H. Gunderson Tested-by: Arnaldo Carvalho de Melo Cc: Ian Rogers Link: https://lore.kernel.org/r/20240803152008.2818485-1-sesse@google.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

2576b20a - perf test: Add build test for JEVENTS_ARCH=all

Mon, 05 Aug 2024 19:44:20 +0000

perf test: Add build test for JEVENTS_ARCH=allBuilding with JEVENTS_ARCH=all builds all CPU types and allows thingslike assertions to check the validity of the input JSON.Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Albert Ou Cc: Alexander Shishkin Cc: Atish Patra Cc: Changbin Du Cc: Charles Ci-Jyun Wu Cc: Eric Lin Cc: Greentime Hu Cc: Guilherme Amadio Cc: Ingo Molnar Cc: Inochi Amaoto Cc: James Clark Cc: Ji Sheng Teoh Cc: Jing Zhang Cc: Jiri Olsa Cc: John Garry Cc: Kan Liang Cc: Leo Yan Cc: Locus Wei-Han Chen Cc: Mark Rutland Cc: Mike Leach Cc: Namhyung Kim Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Peter Zijlstra Cc: Samuel Holland Cc: Sandipan Das Cc: Vincent Chen Cc: Will Deacon Cc: Xu Yang Link: https://lore.kernel.org/r/20240805194424.597244-1-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

8b767db3 - perf: build: introduce the libcapstone

Sat, 17 Feb 2024 07:40:42 +0000

perf: build: introduce the libcapstoneLater we will use libcapstone to disassemble instructions of samples.Signed-off-by: Changbin Du Reviewed-by: Adrian Hunter Cc: changbin.du@gmail.comCc: Thomas Richter Cc: Andi Kleen Signed-off-by: Namhyung Kim Link: https://lore.kernel.org/r/20240217074046.4100789-2-changbin.du@huawei.com List of files: /linux-6.15/tools/perf/tests/make

c8e3ade3 - perf tests make: Remove the last egrep call, use 'grep -E' instead

Fri, 06 Oct 2023 21:11:05 +0000

perf tests make: Remove the last egrep call, use 'grep -E' insteadOne last case, caught while testing with amazonlinux:2, centos:stream,etc: 4 7.28 amazonlinux:2 : FAIL egrep: warning: egrep is obsolescent; using grep -Egcc version 7.3.1 20180712 (Red Hat 7.3.1-17) (GCC) 8 13.87 centos:stream : FAIL egrep: warning: egrep is obsolescent; using grep -EReviewed-by: Guilherme Amadio Cc: Adrian Hunter Cc: Ian Rogers Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lore.kernel.org/lkml/ZUEdtblE8qDAQkBK@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

c2ac838e - perf test: Ensure EXTRA_TESTS is covered in build test

Thu, 14 Sep 2023 21:19:47 +0000

perf test: Ensure EXTRA_TESTS is covered in build testAdd to run variable.Signed-off-by: Ian Rogers Tested-by: Namhyung Kim Cc: James Clark Cc: Nick Terrell Cc: Patrice Duroux Cc: Nick Desaulniers Cc: Andrii Nakryiko Cc: Nathan Chancellor Cc: Kajol Jain Cc: Athira Rajeev Cc: Tiezhu Yang Cc: Tom Rix Cc: llvm@lists.linux.devCc: bpf@vger.kernel.orgLink: https://lore.kernel.org/r/20230914211948.814999-5-irogers@google.comSigned-off-by: Namhyung Kim List of files: /linux-6.15/tools/perf/tests/make

c67c631d - perf test: Update build test for changed BPF skeleton defaults

Thu, 14 Sep 2023 21:19:46 +0000

perf test: Update build test for changed BPF skeleton defaultsFix a target name and set BUILD_BPF_SKEL to 0 rather than 1.Signed-off-by: Ian Rogers Tested-by: Namhyung Kim Cc: James Clark Cc: Nick Terrell Cc: Patrice Duroux Cc: Nick Desaulniers Cc: Andrii Nakryiko Cc: Nathan Chancellor Cc: Kajol Jain Cc: Athira Rajeev Cc: Tiezhu Yang Cc: Tom Rix Cc: llvm@lists.linux.devCc: bpf@vger.kernel.orgLink: https://lore.kernel.org/r/20230914211948.814999-4-irogers@google.comSigned-off-by: Namhyung Kim List of files: /linux-6.15/tools/perf/tests/make

56b11a21 - perf bpf: Remove support for embedding clang for compiling BPF events (-e foo.c)

Fri, 11 Aug 2023 15:19:48 +0000

perf bpf: Remove support for embedding clang for compiling BPF events (-e foo.c)This never was in the default build for perf, is difficult to maintainas it uses clang/llvm internals so ditch it, keeping, for now, theexternal compilation of .c BPF into .o bytecode and its subsequentloading, that is also going to be removed, do it separately to helpbisection and to properly document what is being removed and why.Committer notes:Extracted from a larger patch and removed some leftovers, namelydeleting these now unused feature tests: tools/build/feature/test-clang.cpp tools/build/feature/test-cxx.cpp tools/build/feature/test-llvm-version.cpp tools/build/feature/test-llvm.cppTesting the use of BPF events after applying this patch:To use the external clang/llvm toolchain to compile a .c event and thenuse libbpf to load it, to get the syscalls:sys_enter_open* tracepointsand read the filename pointer, putting it into the ring buffer rightafter the usual tracepoint payload for 'perf trace' to then print it: [root@quaco ~]# perf trace -e /home/acme/git/perf-tools-next/tools/perf/examples/bpf/augmented_raw_syscalls.c,open* --max-events=10 0.000 systemd-oomd/959 openat(dfd: CWD, filename: "/proc/meminfo", flags: RDONLY|CLOEXEC) = 12 0.083 abrt-dump-jour/1453 openat(dfd: CWD, filename: "/var/log/journal/d6a97235307247e09f13f326fb607e3c/system.journal", flags: RDONLY|CLOEXEC|NONBLOCK) = 4 0.063 abrt-dump-jour/1454 openat(dfd: CWD, filename: "/var/log/journal/d6a97235307247e09f13f326fb607e3c/system.journal", flags: RDONLY|CLOEXEC|NONBLOCK) = 4 0.082 abrt-dump-jour/1455 openat(dfd: CWD, filename: "/var/log/journal/d6a97235307247e09f13f326fb607e3c/system.journal", flags: RDONLY|CLOEXEC|NONBLOCK) = 4 250.124 systemd-oomd/959 openat(dfd: CWD, filename: "/proc/meminfo", flags: RDONLY|CLOEXEC) = 12 250.521 systemd-oomd/959 openat(dfd: CWD, filename: "/sys/fs/cgroup/user.slice/user-1000.slice/user@1000.service/app.slice/memory.pressure", flags: RDONLY|CLOEXEC) = 12 251.047 systemd-oomd/959 openat(dfd: CWD, filename: "/sys/fs/cgroup/user.slice/user-1000.slice/user@1000.service/app.slice/memory.current", flags: RDONLY|CLOEXEC) = 12 251.162 systemd-oomd/959 openat(dfd: CWD, filename: "/sys/fs/cgroup/user.slice/user-1000.slice/user@1000.service/app.slice/memory.min", flags: RDONLY|CLOEXEC) = 12 251.242 systemd-oomd/959 openat(dfd: CWD, filename: "/sys/fs/cgroup/user.slice/user-1000.slice/user@1000.service/app.slice/memory.low", flags: RDONLY|CLOEXEC) = 12 251.353 systemd-oomd/959 openat(dfd: CWD, filename: "/sys/fs/cgroup/user.slice/user-1000.slice/user@1000.service/app.slice/memory.swap.current", flags: RDONLY|CLOEXEC) = 12 [root@quaco ~]#Same thing, but with a prebuilt .o BPF bytecode: [root@quaco ~]# perf trace -e /home/acme/git/perf-tools-next/tools/perf/examples/bpf/augmented_raw_syscalls.o,open* --max-events=10 0.000 systemd-oomd/959 openat(dfd: CWD, filename: "/proc/meminfo", flags: RDONLY|CLOEXEC) = 12 0.083 abrt-dump-jour/1453 openat(dfd: CWD, filename: "/var/log/journal/d6a97235307247e09f13f326fb607e3c/system.journal", flags: RDONLY|CLOEXEC|NONBLOCK) = 4 0.083 abrt-dump-jour/1455 openat(dfd: CWD, filename: "/var/log/journal/d6a97235307247e09f13f326fb607e3c/system.journal", flags: RDONLY|CLOEXEC|NONBLOCK) = 4 0.062 abrt-dump-jour/1454 openat(dfd: CWD, filename: "/var/log/journal/d6a97235307247e09f13f326fb607e3c/system.journal", flags: RDONLY|CLOEXEC|NONBLOCK) = 4 249.985 systemd-oomd/959 openat(dfd: CWD, filename: "/proc/meminfo", flags: RDONLY|CLOEXEC) = 12 466.763 thermald/1234 openat(dfd: CWD, filename: "/sys/class/powercap/intel-rapl/intel-rapl:0/intel-rapl:0:2/energy_uj") = 13 467.145 thermald/1234 openat(dfd: CWD, filename: "/sys/class/powercap/intel-rapl/intel-rapl:0/energy_uj") = 13 467.311 thermald/1234 openat(dfd: CWD, filename: "/sys/class/thermal/thermal_zone2/temp") = 13 500.040 cgroupify/24006 openat(dfd: 4, filename: ".", flags: RDONLY|CLOEXEC|DIRECTORY|NONBLOCK) = 5 500.295 cgroupify/24006 openat(dfd: 4, filename: "24616/cgroup.procs") = 5 [root@quaco ~]#Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Andrii Nakryiko Cc: Anshuman Khandual Cc: Athira Rajeev Cc: Brendan Gregg Cc: Carsten Haitzler Cc: Eduard Zingerman Cc: Fangrui Song Cc: He Kuang Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Kan Liang Cc: Leo Yan Cc: Madhavan Srinivasan Cc: Mark Rutland Cc: Namhyung Kim Cc: Nathan Chancellor Cc: "Naveen N. Rao" Cc: Nick Desaulniers Cc: Peter Zijlstra Cc: Ravi Bangoria Cc: Rob Herring Cc: Tiezhu Yang Cc: Tom Rix Cc: Wang Nan Cc: Wang ShaoBo Cc: Yang Jihong Cc: Yonghong Song Cc: YueHaibing Link: https://lore.kernel.org/lkml/ZNZWsAXg2px1sm2h@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

06c39e74 - perf test: Add build tests for BUILD_BPF_SKEL

Fri, 23 Jun 2023 04:14:04 +0000

perf test: Add build tests for BUILD_BPF_SKELAdd tests with and without generating vmlinux.h.Signed-off-by: Ian Rogers Acked-by: Andrii Nakryiko Acked-by: Namhyung Kim Acked-by: Jiri Olsa Cc: James Clark Cc: Mark Rutland Cc: Yang Jihong Cc: Peter Zijlstra Cc: Adrian Hunter Cc: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Tiezhu Yang Cc: Ingo Molnar Cc: bpf@vger.kernel.orgLink: https://lore.kernel.org/r/20230623041405.4039475-4-irogers@google.comSigned-off-by: Namhyung Kim List of files: /linux-6.15/tools/perf/tests/make

d436373a - perf tests: Make x86 new instructions test optional at build time

Tue, 13 Jun 2023 13:22:26 +0000

perf tests: Make x86 new instructions test optional at build timeThe "x86 instruction decoder - new instructions" test takes up space butis only really useful to developers. Make it optional at build time.Add variable EXTRA_TESTS which must be defined in order to build perfwith the test.Example: Before: $ make -C tools/perf clean >/dev/null $ make -C tools/perf >/dev/null Makefile.config:650: No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR Makefile.config:1149: libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev PERF_VERSION = 6.4.rc3.gd15b8c76c964 $ readelf -SW tools/perf/perf | grep '\.rela.dyn\|.rodata\|\.data.rel.ro' [10] .rela.dyn RELA 000000000002fcb0 02fcb0 0748b0 18 A 6 0 8 [18] .rodata PROGBITS 00000000002eb000 2eb000 6bac00 00 A 0 0 32 [25] .data.rel.ro PROGBITS 00000000009ea180 9e9180 04b540 00 WA 0 0 32 After: $ make -C tools/perf clean >/dev/null $ make -C tools/perf >/dev/null Makefile.config:650: No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR Makefile.config:1154: libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev PERF_VERSION = 6.4.rc3.g4ea9c1569ea4 $ readelf -SW tools/perf/perf | grep '\.rela.dyn\|.rodata\|\.data.rel.ro' [10] .rela.dyn RELA 000000000002f3c8 02f3c8 036d68 18 A 6 0 8 [18] .rodata PROGBITS 00000000002ac000 2ac000 68da80 00 A 0 0 32 [25] .data.rel.ro PROGBITS 000000000097d440 97c440 022280 00 WA 0 0 32Committer notes:Build with 'make EXTRA_TESTS=1 -C tools/perf O=/tmp/build/perf" andreproduced the ELF section size differences.Signed-off-by: Adrian Hunter Acked-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jiri Olsa Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lore.kernel.org/lkml/683fea7c-f5e9-fa20-f96b-f6233ed5d2a7@intel.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

d1992261 - perf build: Fix unescaped # in perf build-test

Tue, 25 Apr 2023 10:44:13 +0000

perf build: Fix unescaped # in perf build-testWith the following bash and make versions: $ make --version GNU Make 4.2.1 Built for aarch64-unknown-linux-gnu $ bash --version GNU bash, version 5.0.17(1)-release (aarch64-unknown-linux-gnu)This error is encountered when running the build-test target: $ make -C tools/perf build-test tests/make:181: *** unterminated call to function 'shell': missing ')'. Stop. make: *** [Makefile:103: build-test] Error 2Fix it by escaping the # which was causing make to interpret the rest ofthe line as a comment leaving the unclosed opening bracket.Fixes: 56d5229471ee1634 ("tools build: Pass libbpf feature only if libbpf 1.0+")Signed-off-by: James Clark Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Ian Rogers Cc: Ingo Molnar Cc: Jiri Olsa Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Cc: bpf@vger.kernel.orgLink: https://lore.kernel.org/r/20230425104414.1723571-1-james.clark@arm.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

686c5118 - perf build: Test the refcnt check build

Wed, 19 Apr 2023 16:47:03 +0000

perf build: Test the refcnt check buildMake sure we test build the currently added REFCNT_CHECKINGinfrastructure.Signed-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

8d98ca5c - perf build: Error if no libelf and NO_LIBELF isn't set

Sat, 11 Mar 2023 06:57:44 +0000

perf build: Error if no libelf and NO_LIBELF isn't setBuilding without libelf support is going disable a lot offunctionality. Require that the NO_LIBELF=1 build option is passed ifthis is intentional.Committer notes:Add NO_LIBELF=1 to the 'make_static' target in tools/perf/tests/make sothat 'make -C tools/perf build-test' works.Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andres Freund Cc: Ingo Molnar Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Martin Liška Cc: Namhyung Kim Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Pavithra Gurushankar Cc: Peter Zijlstra Cc: Quentin Monnet Cc: Roberto Sassu Cc: Stephane Eranian Cc: Tiezhu Yang Cc: Tom Rix Cc: Yang Jihong Cc: llvm@lists.linux.devLink: https://lore.kernel.org/r/20230311065753.3012826-2-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

f1925bd5 - perf build: Remove redundant NO_NEWT build option

Sat, 11 Mar 2023 06:57:53 +0000

perf build: Remove redundant NO_NEWT build optionThe option controlled nothing and no code depends, conditional orotherwise, on libnewt.Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andres Freund Cc: Ingo Molnar Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Martin Liška Cc: Namhyung Kim Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Pavithra Gurushankar Cc: Peter Zijlstra Cc: Quentin Monnet Cc: Roberto Sassu Cc: Stephane Eranian Cc: Tiezhu Yang Cc: Tom Rix Cc: Yang Jihong Cc: llvm@lists.linux.devLink: https://lore.kernel.org/r/20230311065753.3012826-2-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

6898e60f - perf build: If libtraceevent isn't present error the build

Sat, 11 Mar 2023 06:57:51 +0000

perf build: If libtraceevent isn't present error the buildIf libtraceevent isn't present, the build will warn and continue. Thisdisables a number of features and so isn't desirable. This changemakes the build error for this case. The build can still be made tohappen by adding NO_LIBTRACEEVENT=1.Committer notes:Add NO_LIBTRACEEVENT=1 to the 'make_static' target intools/perf/tests/make so that 'make -C tools/perf build-test' works.Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andres Freund Cc: Ingo Molnar Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Martin Liška Cc: Namhyung Kim Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Pavithra Gurushankar Cc: Peter Zijlstra Cc: Quentin Monnet Cc: Roberto Sassu Cc: Stephane Eranian Cc: Tiezhu Yang Cc: Tom Rix Cc: Yang Jihong Cc: llvm@lists.linux.devLink: https://lore.kernel.org/r/20230311065753.3012826-2-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

d7c4f89a - perf build: Switch libpfm4 to opt-out rather than opt-in

Sat, 11 Mar 2023 06:57:50 +0000

perf build: Switch libpfm4 to opt-out rather than opt-inIf libpfm4 passes the feature test, it would be nice to have itenabled rather than also requiring the LIBPFM4=1 build flag.Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andres Freund Cc: Ingo Molnar Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Martin Liška Cc: Namhyung Kim Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Pavithra Gurushankar Cc: Peter Zijlstra Cc: Quentin Monnet Cc: Roberto Sassu Cc: Stephane Eranian Cc: Tiezhu Yang Cc: Tom Rix Cc: Yang Jihong Cc: llvm@lists.linux.devLink: https://lore.kernel.org/r/20230311065753.3012826-2-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

dd317df0 - perf build: Make binutil libraries opt in

Sat, 11 Mar 2023 06:57:47 +0000

perf build: Make binutil libraries opt inbinutils is GPLv3 so distributions cannot ship perf linked againstlibbfd and libiberty as the licenses are incompatible. Rather thandefaulting the build to opting in to libbfd and libiberty support andopting out via NO_LIBBFD=1 and NO_DEMANGLE=1, make building againstthe libraries optional and enabled with BUILD_NONDISTRO=1.Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andres Freund Cc: Ingo Molnar Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Martin Liška Cc: Namhyung Kim Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Pavithra Gurushankar Cc: Peter Zijlstra Cc: Quentin Monnet Cc: Roberto Sassu Cc: Stephane Eranian Cc: Tiezhu Yang Cc: Tom Rix Cc: Yang Jihong Cc: llvm@lists.linux.devLink: https://lore.kernel.org/r/20230311065753.3012826-2-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

7a9b223c - perf build: Support python/perf.so testing

Sat, 11 Mar 2023 06:57:41 +0000

perf build: Support python/perf.so testingAdd a build target to echo the python/perf.so's name fromMakefile.perf. Use it in tests/make so the correct target is built andtested for.Fixes: caec54705adb73b0 ("perf build: Fix python/perf.so library's name")Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andres Freund Cc: Ian Rogers Cc: Ingo Molnar Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Martin Liška Cc: Namhyung Kim Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Pavithra Gurushankar Cc: Peter Zijlstra Cc: Quentin Monnet Cc: Roberto Sassu Cc: Stephane Eranian Cc: Tiezhu Yang Cc: Tom Rix Cc: Yang Jihong Cc: llvm@lists.linux.devLink: https://lore.kernel.org/r/20230311065753.3012826-2-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make

56d52294 - tools build: Pass libbpf feature only if libbpf 1.0+

Mon, 16 Jan 2023 01:01:13 +0000

tools build: Pass libbpf feature only if libbpf 1.0+libbpf 1.0 represented a cleanup and stabilization of APIs. Simplifydevelopment by only passing the feature test if libbpf 1.0 is installed.Committer notes:Change 'make -C tools/perf build-test' so that the LIBBPF_DYNAMIC=1 testruns only if libbpf is >= 1.0.Signed-off-by: Ian Rogers Tested-by: Jiri Olsa Acked-by: Jiri Olsa Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andres Freund Cc: Andrii Nakryiko Cc: Christy Lee Cc: Ingo Molnar Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Quentin Monnet Cc: Roberto Sassu Cc: bpf@vger.kernel.orgLink: https://lore.kernel.org/r/20230116010115.490713-2-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo List of files: /linux-6.15/tools/perf/tests/make