commit: 60ae445d0c8851c78267adf0a2ef0bed1dbef65e Author: Guilherme Amadio <amadio <AT> gentoo <DOT> org> AuthorDate: Fri Oct 4 15:03:47 2024 +0000 Commit: Guilherme Amadio <amadio <AT> gentoo <DOT> org> CommitDate: Fri Oct 4 15:07:31 2024 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=60ae445d
dev-util/perf: add 6.11 Signed-off-by: Guilherme Amadio <amadio <AT> gentoo.org> dev-util/perf/Manifest | 1 + dev-util/perf/files/perf-6.11-bpf-capstone.patch | 469 +++++++++++++++++++++++ dev-util/perf/perf-6.11.ebuild | 346 +++++++++++++++++ 3 files changed, 816 insertions(+) diff --git a/dev-util/perf/Manifest b/dev-util/perf/Manifest index dcdacc5c4e18..13b16a36b71d 100644 --- a/dev-util/perf/Manifest +++ b/dev-util/perf/Manifest @@ -1,4 +1,5 @@ DIST linux-6.10.tar.xz 145142812 BLAKE2B bb243ea7493b9d63aa2df2050a3f1ae2b89ee84a20015239cf157e3f4f51c7ac5efedc8a51132b2d7482f9276ac418de6624831c8a3b806130d9c2d2124c539b SHA512 baa2487954044f991d2ae254d77d14a1f0185dd62c9f0fcaff69f586c9f906823017b8db1c4588f27b076dfa3ebb606929fec859f60ea419e7974330b9289cc2 +DIST linux-6.11.tar.xz 146900704 BLAKE2B e7750c0878d71a56a0ce52d4c4c912199dad5bf5e2e8f872585a6494afbb37cbd852e612a6858936d2dc9b7776a3933818f540db408d57e90d18ea5249bba7ab SHA512 329c1f94008742e3f0c2ce7e591a16316d1b2cb9ea4596d4f45604097e07b7aa2f64afa40630a07f321a858455c77aa32ba57b271932ddcf4dc27863f9081cea DIST linux-6.3.tar.xz 136891752 BLAKE2B f1887c8924efa8d0cb14c4e604affd0b0168bcf20f56a37c027405c7bc11aba822a43fcb38ccb55a81a26f747d00e1ab5a6554818affbf1e1c7ef5220150fc69 SHA512 768979440f4907ba64d4481b383d6101faf208f27a0b897156123aa278c5743fe3c4f61945b2541429c532d45382aaee8899ea9d44a1d2895bfbb79bfd937f65 DIST linux-6.7.tar.xz 141406528 BLAKE2B cecdbd19905e43e485ab73b352ced18b37f2a138c97a6956cadcda5d3d271001117dc1cf896b166ff019fc7f405f9539e2ed0d6112b0890efb04d182adf4fd0e SHA512 de06de556191614bd9daf077ae239360352a402bab407748e67f1e5108c92fd933e451707840ab22fe0f9976db3d1e1b60ca9d41cf894f015ca09b3f652b74ad DIST patch-6.10.4.xz 303168 BLAKE2B d38bbcdd2f730a030add5b38c1ab09c7081c311ed716d3ae976a058dd34b235078700cdff05d79dc93d9badb75c95566a3bdfc39dfa045d54857d82ee2c92e9d SHA512 5f5e8b19d114fed733c8c98a581fe339f8896e05e5da6a37deb1d7d8aa9dd83b3c80a97b1c6f3f51b6f20cca9c435b20c28c2c511da2026980d9fa72624cf420 diff --git a/dev-util/perf/files/perf-6.11-bpf-capstone.patch b/dev-util/perf/files/perf-6.11-bpf-capstone.patch new file mode 100644 index 000000000000..7d8b376869f3 --- /dev/null +++ b/dev-util/perf/files/perf-6.11-bpf-capstone.patch @@ -0,0 +1,469 @@ +commit ea59b70a8418a313d6f2ab48a957de015fc33018 +Author: Arnaldo Carvalho de Melo <[email protected]> +Date: Wed Jul 31 11:58:56 2024 -0300 + + perf bpf: Move BPF disassembly routines to separate file to avoid clash with capstone bpf headers + + There is a clash of the libbpf and capstone libraries, that ends up + with: + + In file included from /usr/include/capstone/capstone.h:325, + from util/disasm.c:1513: + /usr/include/capstone/bpf.h:94:14: error: ‘bpf_insn’ defined as wrong kind of tag + 94 | typedef enum bpf_insn { + + So far we're just trying to avoid this by not having both headers + included in the same .c or .h file, do it one more time by moving the + BPF diassembly routines from util/disasm.c to util/disasm_bpf.c. + + This is only being hit when building with BUILD_NONDISTRO=1, i.e. + building with binutils-devel, that isn't the in the default build due to + a licencing clash. We need to reimplement what is now isolated in + util/disasm_bpf.c using some other library to have BPF annotation + feature that now only is available with BUILD_NONDISTRO=1. + + Fixes: 6d17edc113de1e21 ("perf annotate: Use libcapstone to disassemble") + Cc: Adrian Hunter <[email protected]> + Cc: Ian Rogers <[email protected]> + Cc: Jiri Olsa <[email protected]> + Cc: Kan Liang <[email protected]> + Cc: Namhyung Kim <[email protected]> + Link: https://lore.kernel.org/lkml/ZqpUSKPxMwaQKORr@x1 + Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> + +diff --git a/tools/perf/util/Build b/tools/perf/util/Build +index 0f18fe81ef0b..b24360c04aae 100644 +--- a/tools/perf/util/Build ++++ b/tools/perf/util/Build +@@ -13,6 +13,7 @@ perf-util-y += copyfile.o + perf-util-y += ctype.o + perf-util-y += db-export.o + perf-util-y += disasm.o ++perf-util-y += disasm_bpf.o + perf-util-y += env.o + perf-util-y += event.o + perf-util-y += evlist.o +diff --git a/tools/perf/util/disasm.c b/tools/perf/util/disasm.c +index 410e52cd9cfd..85fb0cfedf94 100644 +--- a/tools/perf/util/disasm.c ++++ b/tools/perf/util/disasm.c +@@ -16,6 +16,7 @@ + #include "build-id.h" + #include "debug.h" + #include "disasm.h" ++#include "disasm_bpf.h" + #include "dso.h" + #include "env.h" + #include "evsel.h" +@@ -1323,192 +1324,6 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil + return 0; + } + +-#if defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) +-#define PACKAGE "perf" +-#include <bfd.h> +-#include <dis-asm.h> +-#include <bpf/bpf.h> +-#include <bpf/btf.h> +-#include <bpf/libbpf.h> +-#include <linux/btf.h> +-#include <tools/dis-asm-compat.h> +- +-#include "bpf-event.h" +-#include "bpf-utils.h" +- +-static int symbol__disassemble_bpf(struct symbol *sym, +- struct annotate_args *args) +-{ +- struct annotation *notes = symbol__annotation(sym); +- struct bpf_prog_linfo *prog_linfo = NULL; +- struct bpf_prog_info_node *info_node; +- int len = sym->end - sym->start; +- disassembler_ftype disassemble; +- struct map *map = args->ms.map; +- struct perf_bpil *info_linear; +- struct disassemble_info info; +- struct dso *dso = map__dso(map); +- int pc = 0, count, sub_id; +- struct btf *btf = NULL; +- char tpath[PATH_MAX]; +- size_t buf_size; +- int nr_skip = 0; +- char *buf; +- bfd *bfdf; +- int ret; +- FILE *s; +- +- if (dso__binary_type(dso) != DSO_BINARY_TYPE__BPF_PROG_INFO) +- return SYMBOL_ANNOTATE_ERRNO__BPF_INVALID_FILE; +- +- pr_debug("%s: handling sym %s addr %" PRIx64 " len %" PRIx64 "\n", __func__, +- sym->name, sym->start, sym->end - sym->start); +- +- memset(tpath, 0, sizeof(tpath)); +- perf_exe(tpath, sizeof(tpath)); +- +- bfdf = bfd_openr(tpath, NULL); +- if (bfdf == NULL) +- abort(); +- +- if (!bfd_check_format(bfdf, bfd_object)) +- abort(); +- +- s = open_memstream(&buf, &buf_size); +- if (!s) { +- ret = errno; +- goto out; +- } +- init_disassemble_info_compat(&info, s, +- (fprintf_ftype) fprintf, +- fprintf_styled); +- info.arch = bfd_get_arch(bfdf); +- info.mach = bfd_get_mach(bfdf); +- +- info_node = perf_env__find_bpf_prog_info(dso__bpf_prog(dso)->env, +- dso__bpf_prog(dso)->id); +- if (!info_node) { +- ret = SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF; +- goto out; +- } +- info_linear = info_node->info_linear; +- sub_id = dso__bpf_prog(dso)->sub_id; +- +- info.buffer = (void *)(uintptr_t)(info_linear->info.jited_prog_insns); +- info.buffer_length = info_linear->info.jited_prog_len; +- +- if (info_linear->info.nr_line_info) +- prog_linfo = bpf_prog_linfo__new(&info_linear->info); +- +- if (info_linear->info.btf_id) { +- struct btf_node *node; +- +- node = perf_env__find_btf(dso__bpf_prog(dso)->env, +- info_linear->info.btf_id); +- if (node) +- btf = btf__new((__u8 *)(node->data), +- node->data_size); +- } +- +- disassemble_init_for_target(&info); +- +-#ifdef DISASM_FOUR_ARGS_SIGNATURE +- disassemble = disassembler(info.arch, +- bfd_big_endian(bfdf), +- info.mach, +- bfdf); +-#else +- disassemble = disassembler(bfdf); +-#endif +- if (disassemble == NULL) +- abort(); +- +- fflush(s); +- do { +- const struct bpf_line_info *linfo = NULL; +- struct disasm_line *dl; +- size_t prev_buf_size; +- const char *srcline; +- u64 addr; +- +- addr = pc + ((u64 *)(uintptr_t)(info_linear->info.jited_ksyms))[sub_id]; +- count = disassemble(pc, &info); +- +- if (prog_linfo) +- linfo = bpf_prog_linfo__lfind_addr_func(prog_linfo, +- addr, sub_id, +- nr_skip); +- +- if (linfo && btf) { +- srcline = btf__name_by_offset(btf, linfo->line_off); +- nr_skip++; +- } else +- srcline = NULL; +- +- fprintf(s, "\n"); +- prev_buf_size = buf_size; +- fflush(s); +- +- if (!annotate_opts.hide_src_code && srcline) { +- args->offset = -1; +- args->line = strdup(srcline); +- args->line_nr = 0; +- args->fileloc = NULL; +- args->ms.sym = sym; +- dl = disasm_line__new(args); +- if (dl) { +- annotation_line__add(&dl->al, +- ¬es->src->source); +- } +- } +- +- args->offset = pc; +- args->line = buf + prev_buf_size; +- args->line_nr = 0; +- args->fileloc = NULL; +- args->ms.sym = sym; +- dl = disasm_line__new(args); +- if (dl) +- annotation_line__add(&dl->al, ¬es->src->source); +- +- pc += count; +- } while (count > 0 && pc < len); +- +- ret = 0; +-out: +- free(prog_linfo); +- btf__free(btf); +- fclose(s); +- bfd_close(bfdf); +- return ret; +-} +-#else // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) +-static int symbol__disassemble_bpf(struct symbol *sym __maybe_unused, +- struct annotate_args *args __maybe_unused) +-{ +- return SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF; +-} +-#endif // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) +- +-static int +-symbol__disassemble_bpf_image(struct symbol *sym, +- struct annotate_args *args) +-{ +- struct annotation *notes = symbol__annotation(sym); +- struct disasm_line *dl; +- +- args->offset = -1; +- args->line = strdup("to be implemented"); +- args->line_nr = 0; +- args->fileloc = NULL; +- dl = disasm_line__new(args); +- if (dl) +- annotation_line__add(&dl->al, ¬es->src->source); +- +- zfree(&args->line); +- return 0; +-} +- + #ifdef HAVE_LIBCAPSTONE_SUPPORT + #include <capstone/capstone.h> + +diff --git a/tools/perf/util/disasm_bpf.c b/tools/perf/util/disasm_bpf.c +new file mode 100644 +index 000000000000..1fee71c79b62 +--- /dev/null ++++ b/tools/perf/util/disasm_bpf.c +@@ -0,0 +1,195 @@ ++// SPDX-License-Identifier: GPL-2.0-only ++ ++#include "util/annotate.h" ++#include "util/disasm_bpf.h" ++#include "util/symbol.h" ++#include <linux/zalloc.h> ++#include <string.h> ++ ++#if defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) ++#define PACKAGE "perf" ++#include <bfd.h> ++#include <bpf/bpf.h> ++#include <bpf/btf.h> ++#include <bpf/libbpf.h> ++#include <dis-asm.h> ++#include <errno.h> ++#include <linux/btf.h> ++#include <tools/dis-asm-compat.h> ++ ++#include "util/bpf-event.h" ++#include "util/bpf-utils.h" ++#include "util/debug.h" ++#include "util/dso.h" ++#include "util/map.h" ++#include "util/env.h" ++#include "util/util.h" ++ ++int symbol__disassemble_bpf(struct symbol *sym, struct annotate_args *args) ++{ ++ struct annotation *notes = symbol__annotation(sym); ++ struct bpf_prog_linfo *prog_linfo = NULL; ++ struct bpf_prog_info_node *info_node; ++ int len = sym->end - sym->start; ++ disassembler_ftype disassemble; ++ struct map *map = args->ms.map; ++ struct perf_bpil *info_linear; ++ struct disassemble_info info; ++ struct dso *dso = map__dso(map); ++ int pc = 0, count, sub_id; ++ struct btf *btf = NULL; ++ char tpath[PATH_MAX]; ++ size_t buf_size; ++ int nr_skip = 0; ++ char *buf; ++ bfd *bfdf; ++ int ret; ++ FILE *s; ++ ++ if (dso__binary_type(dso) != DSO_BINARY_TYPE__BPF_PROG_INFO) ++ return SYMBOL_ANNOTATE_ERRNO__BPF_INVALID_FILE; ++ ++ pr_debug("%s: handling sym %s addr %" PRIx64 " len %" PRIx64 "\n", __func__, ++ sym->name, sym->start, sym->end - sym->start); ++ ++ memset(tpath, 0, sizeof(tpath)); ++ perf_exe(tpath, sizeof(tpath)); ++ ++ bfdf = bfd_openr(tpath, NULL); ++ if (bfdf == NULL) ++ abort(); ++ ++ if (!bfd_check_format(bfdf, bfd_object)) ++ abort(); ++ ++ s = open_memstream(&buf, &buf_size); ++ if (!s) { ++ ret = errno; ++ goto out; ++ } ++ init_disassemble_info_compat(&info, s, ++ (fprintf_ftype) fprintf, ++ fprintf_styled); ++ info.arch = bfd_get_arch(bfdf); ++ info.mach = bfd_get_mach(bfdf); ++ ++ info_node = perf_env__find_bpf_prog_info(dso__bpf_prog(dso)->env, ++ dso__bpf_prog(dso)->id); ++ if (!info_node) { ++ ret = SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF; ++ goto out; ++ } ++ info_linear = info_node->info_linear; ++ sub_id = dso__bpf_prog(dso)->sub_id; ++ ++ info.buffer = (void *)(uintptr_t)(info_linear->info.jited_prog_insns); ++ info.buffer_length = info_linear->info.jited_prog_len; ++ ++ if (info_linear->info.nr_line_info) ++ prog_linfo = bpf_prog_linfo__new(&info_linear->info); ++ ++ if (info_linear->info.btf_id) { ++ struct btf_node *node; ++ ++ node = perf_env__find_btf(dso__bpf_prog(dso)->env, ++ info_linear->info.btf_id); ++ if (node) ++ btf = btf__new((__u8 *)(node->data), ++ node->data_size); ++ } ++ ++ disassemble_init_for_target(&info); ++ ++#ifdef DISASM_FOUR_ARGS_SIGNATURE ++ disassemble = disassembler(info.arch, ++ bfd_big_endian(bfdf), ++ info.mach, ++ bfdf); ++#else ++ disassemble = disassembler(bfdf); ++#endif ++ if (disassemble == NULL) ++ abort(); ++ ++ fflush(s); ++ do { ++ const struct bpf_line_info *linfo = NULL; ++ struct disasm_line *dl; ++ size_t prev_buf_size; ++ const char *srcline; ++ u64 addr; ++ ++ addr = pc + ((u64 *)(uintptr_t)(info_linear->info.jited_ksyms))[sub_id]; ++ count = disassemble(pc, &info); ++ ++ if (prog_linfo) ++ linfo = bpf_prog_linfo__lfind_addr_func(prog_linfo, ++ addr, sub_id, ++ nr_skip); ++ ++ if (linfo && btf) { ++ srcline = btf__name_by_offset(btf, linfo->line_off); ++ nr_skip++; ++ } else ++ srcline = NULL; ++ ++ fprintf(s, "\n"); ++ prev_buf_size = buf_size; ++ fflush(s); ++ ++ if (!annotate_opts.hide_src_code && srcline) { ++ args->offset = -1; ++ args->line = strdup(srcline); ++ args->line_nr = 0; ++ args->fileloc = NULL; ++ args->ms.sym = sym; ++ dl = disasm_line__new(args); ++ if (dl) { ++ annotation_line__add(&dl->al, ++ ¬es->src->source); ++ } ++ } ++ ++ args->offset = pc; ++ args->line = buf + prev_buf_size; ++ args->line_nr = 0; ++ args->fileloc = NULL; ++ args->ms.sym = sym; ++ dl = disasm_line__new(args); ++ if (dl) ++ annotation_line__add(&dl->al, ¬es->src->source); ++ ++ pc += count; ++ } while (count > 0 && pc < len); ++ ++ ret = 0; ++out: ++ free(prog_linfo); ++ btf__free(btf); ++ fclose(s); ++ bfd_close(bfdf); ++ return ret; ++} ++#else // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) ++int symbol__disassemble_bpf(struct symbol *sym __maybe_unused, struct annotate_args *args __maybe_unused) ++{ ++ return SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF; ++} ++#endif // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) ++ ++int symbol__disassemble_bpf_image(struct symbol *sym, struct annotate_args *args) ++{ ++ struct annotation *notes = symbol__annotation(sym); ++ struct disasm_line *dl; ++ ++ args->offset = -1; ++ args->line = strdup("to be implemented"); ++ args->line_nr = 0; ++ args->fileloc = NULL; ++ dl = disasm_line__new(args); ++ if (dl) ++ annotation_line__add(&dl->al, ¬es->src->source); ++ ++ zfree(&args->line); ++ return 0; ++} +diff --git a/tools/perf/util/disasm_bpf.h b/tools/perf/util/disasm_bpf.h +new file mode 100644 +index 000000000000..2ecb19545388 +--- /dev/null ++++ b/tools/perf/util/disasm_bpf.h +@@ -0,0 +1,12 @@ ++// SPDX-License-Identifier: GPL-2.0-only ++ ++#ifndef __PERF_DISASM_BPF_H ++#define __PERF_DISASM_BPF_H ++ ++struct symbol; ++struct annotate_args; ++ ++int symbol__disassemble_bpf(struct symbol *sym, struct annotate_args *args); ++int symbol__disassemble_bpf_image(struct symbol *sym, struct annotate_args *args); ++ ++#endif /* __PERF_DISASM_BPF_H */ diff --git a/dev-util/perf/perf-6.11.ebuild b/dev-util/perf/perf-6.11.ebuild new file mode 100644 index 000000000000..b523d8477bf6 --- /dev/null +++ b/dev-util/perf/perf-6.11.ebuild @@ -0,0 +1,346 @@ +# Copyright 1999-2024 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +LLVM_COMPAT=( {16..19} ) +PYTHON_COMPAT=( python3_{10..13} ) +inherit bash-completion-r1 estack flag-o-matic linux-info llvm-r1 toolchain-funcs python-r1 + +DESCRIPTION="Userland tools for Linux Performance Counters" +HOMEPAGE="https://perf.wiki.kernel.org/"; + +LINUX_V="${PV:0:1}.x" +if [[ ${PV} == *_rc* ]] ; then + LINUX_VER=$(ver_cut 1-2).$(($(ver_cut 3)-1)) + PATCH_VERSION=$(ver_cut 1-3) + LINUX_PATCH=patch-${PV//_/-}.xz + SRC_URI="https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/testing/${LINUX_PATCH} + https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/testing/v${PATCH_VERSION}/${LINUX_PATCH}"; +elif [[ ${PV} == *.*.* ]] ; then + # stable-release series + LINUX_VER=$(ver_cut 1-2) + LINUX_PATCH=patch-${PV}.xz + SRC_URI="https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"; +else + LINUX_VER=${PV} +fi + +LINUX_SOURCES="linux-${LINUX_VER}.tar.xz" +SRC_URI+=" https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"; + +S_K="${WORKDIR}/linux-${LINUX_VER}" +S="${S_K}/tools/perf" + +LICENSE="GPL-2" +SLOT="0" +KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~x86 ~amd64-linux ~x86-linux" +IUSE="abi_mips_o32 abi_mips_n32 abi_mips_n64 audit babeltrace capstone big-endian bpf caps crypt debug +doc gtk java libpfm +libtraceevent +libtracefs lzma numa perl python slang systemtap tcmalloc unwind zstd" + +REQUIRED_USE=" + ${PYTHON_REQUIRED_USE} +" + +# setuptools (and Python) are always needed even if not building Python bindings +BDEPEND=" + ${LINUX_PATCH+dev-util/patchutils} + ${PYTHON_DEPS} + >=app-arch/tar-1.34-r2 + dev-python/setuptools[${PYTHON_USEDEP}] + app-alternatives/yacc + app-alternatives/lex + virtual/pkgconfig + doc? ( + app-text/asciidoc + app-text/sgml-common + app-text/xmlto + sys-process/time + ) +" + +RDEPEND=" + audit? ( sys-process/audit ) + babeltrace? ( dev-util/babeltrace:0/1 ) + bpf? ( + dev-libs/libbpf + dev-util/bpftool + dev-util/pahole + $(llvm_gen_dep ' + sys-devel/clang:${LLVM_SLOT}= + sys-devel/llvm:${LLVM_SLOT}= + ') + ) + caps? ( sys-libs/libcap ) + capstone? ( dev-libs/capstone ) + crypt? ( dev-libs/openssl:= ) + gtk? ( x11-libs/gtk+:2 ) + java? ( virtual/jre:* ) + libpfm? ( dev-libs/libpfm:= ) + libtraceevent? ( dev-libs/libtraceevent ) + libtracefs? ( dev-libs/libtracefs ) + lzma? ( app-arch/xz-utils ) + numa? ( sys-process/numactl ) + perl? ( dev-lang/perl:= ) + python? ( ${PYTHON_DEPS} ) + slang? ( sys-libs/slang ) + systemtap? ( dev-debug/systemtap ) + tcmalloc? ( dev-util/google-perftools ) + unwind? ( sys-libs/libunwind:= ) + zstd? ( app-arch/zstd:= ) + dev-libs/elfutils + sys-libs/binutils-libs:= + sys-libs/zlib + virtual/libcrypt +" + +DEPEND="${RDEPEND} + >=sys-kernel/linux-headers-5.10 + java? ( virtual/jdk ) +" + +QA_FLAGS_IGNORED=( + 'usr/bin/perf-read-vdso32' # not linked with anything except for libc + 'usr/libexec/perf-core/dlfilters/.*' # plugins +) + +pkg_pretend() { + if ! use doc ; then + ewarn "Without the doc USE flag you won't get any documentation nor man pages." + ewarn "And without man pages, you won't get any --help output for perf and its" + ewarn "sub-tools." + fi +} + +pkg_setup() { + local CONFIG_CHECK=" + ~DEBUG_INFO + ~FTRACE + ~FTRACE_SYSCALLS + ~FUNCTION_TRACER + ~KALLSYMS + ~KALLSYMS_ALL + ~KPROBES + ~KPROBE_EVENTS + ~PERF_EVENTS + ~UPROBES + ~UPROBE_EVENTS + " + + use bpf && llvm-r1_pkg_setup + # We enable python unconditionally as libbpf always generates + # API headers using python script + python_setup + + if use bpf ; then + CONFIG_CHECK+="~BPF ~BPF_EVENTS ~BPF_SYSCALL ~DEBUG_INFO_BTF ~HAVE_EBPF_JIT" + fi + + linux-info_pkg_setup +} + +# src_unpack and src_prepare are copied to dev-util/bpftool since +# it's building from the same tarball, please keep it in sync with bpftool +src_unpack() { + local paths=( + 'arch/*/include/*' 'arch/*/lib/*' 'arch/*/tools/*' 'include/*' + 'kernel/bpf/*' 'lib/*' 'scripts/*' 'tools/arch/*' 'tools/bpf/*' + 'tools/build/*' 'tools/include/*' 'tools/lib/*' 'tools/perf/*' + 'tools/scripts/*' + ) + + # We expect the tar implementation to support the -j option (both + # GNU tar and libarchive's tar support that). + echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}" + gtar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \ + "${paths[@]/#/linux-${LINUX_VER}/}" || die + + if [[ -n ${LINUX_PATCH} ]] ; then + eshopts_push -o noglob + ebegin "Filtering partial source patch" + xzcat "${DISTDIR}"/${LINUX_PATCH} | filterdiff -p1 ${paths[@]/#/-i} > ${P}.patch + assert -n "Unpacking to ${P} from ${DISTDIR}/${LINUX_PATCH} failed" + eend $? || die "filterdiff failed" + test -s ${P}.patch || die "patch is empty?!" + eshopts_pop + fi + + local a + for a in ${A}; do + [[ ${a} == ${LINUX_SOURCES} ]] && continue + [[ ${a} == ${LINUX_PATCH} ]] && continue + unpack ${a} + done +} + +src_prepare() { + default + if [[ -n ${LINUX_PATCH} ]] ; then + pushd "${S_K}" >/dev/null || die + eapply "${WORKDIR}"/${P}.patch + popd || die + fi + + pushd "${S_K}" >/dev/null || die + eapply "${FILESDIR}"/perf-6.11-bpf-capstone.patch + popd || die + + # Drop some upstream too-developer-oriented flags and fix the + # Makefile in general + sed -i \ + -e "s@\$(sysconfdir_SQ)/bash_completion.d@$(get_bashcompdir)@" \ + "${S}"/Makefile.perf || die + # A few places still use -Werror w/out $(WERROR) protection. + sed -i -e 's@-Werror@@' \ + "${S}"/Makefile.perf "${S_K}"/tools/lib/bpf/Makefile \ + "${S_K}"/tools/lib/perf/Makefile || die + + # Avoid the call to make kernelversion + sed -i -e '/PERF-VERSION-GEN/d' Makefile.perf || die + echo "#define PERF_VERSION \"${PV}\"" > PERF-VERSION-FILE + + # The code likes to compile local assembly files which lack ELF markings. + find -name '*.S' -exec sed -i '$a.section .note.GNU-stack,"",%progbits' {} + +} + +puse() { usex $1 "" 1; } +perf_make() { + # The arch parsing is a bit funky. The perf tools package is integrated + # into the kernel, so it wants an ARCH that looks like the kernel arch, + # but it also wants to know about the split value -- i386/x86_64 vs just + # x86. We can get that by telling the func to use an older linux version. + # It's kind of a hack, but not that bad ... + + # LIBDIR sets a search path of perf-gtk.so. Bug 515954 + + local arch=$(tc-arch-kernel) + local java_dir + use java && java_dir="${EPREFIX}/etc/java-config-2/current-system-vm" + + # sync this with the whitelist in tools/perf/Makefile.config + local disable_libdw + if ! use amd64 && ! use x86 && \ + ! use arm && \ + ! use arm64 && \ + ! use ppc && ! use ppc64 \ + ! use s390 && \ + ! use riscv && \ + ! use loong + then + disable_libdw=1 + fi + + # perf directly invokes LD for linking without going through CC, on mips + # it is required to specify the emulation. port of below buildroot patch + # https://patchwork.ozlabs.org/project/buildroot/patch/[email protected]/ + local linker="$(tc-getLD)" + if use mips + then + if use big-endian + then + use abi_mips_n64 && linker+=" -m elf64btsmip" + use abi_mips_n32 && linker+=" -m elf32btsmipn32" + use abi_mips_o32 && linker+=" -m elf32btsmip" + else + use abi_mips_n64 && linker+=" -m elf64ltsmip" + use abi_mips_n32 && linker+=" -m elf32ltsmipn32" + use abi_mips_o32 && linker+=" -m elf32ltsmip" + fi + fi + + # FIXME: NO_CORESIGHT + local emakeargs=( + V=1 VF=1 + HOSTCC="$(tc-getBUILD_CC)" HOSTLD="$(tc-getBUILD_LD)" + CC="$(tc-getCC)" CXX="$(tc-getCXX)" AR="$(tc-getAR)" LD="${linker}" NM="$(tc-getNM)" + CLANG="${CHOST}-clang" + PKG_CONFIG="$(tc-getPKG_CONFIG)" + prefix="${EPREFIX}/usr" bindir_relative="bin" + tipdir="share/doc/${PF}" + EXTRA_CFLAGS="${CFLAGS}" + EXTRA_LDFLAGS="${LDFLAGS}" + ARCH="${arch}" + BUILD_BPF_SKEL=$(usex bpf 1 "") \ + BUILD_NONDISTRO=1 + JDIR="${java_dir}" + CORESIGHT= + GTK2=$(usex gtk 1 "") + feature-gtk2-infobar=$(usex gtk 1 "") + NO_AUXTRACE= + NO_BACKTRACE= + NO_CAPSTONE=$(puse capstone) + NO_DEMANGLE= + NO_JEVENTS=$(puse python) + NO_JVMTI=$(puse java) + NO_LIBAUDIT=$(puse audit) + NO_LIBBABELTRACE=$(puse babeltrace) + NO_LIBBIONIC=1 + NO_LIBBPF=$(puse bpf) + NO_LIBCAP=$(puse caps) + NO_LIBCRYPTO=$(puse crypt) + NO_LIBDW_DWARF_UNWIND="${disable_libdw}" + NO_LIBELF= + NO_LIBNUMA=$(puse numa) + NO_LIBPERL=$(puse perl) + NO_LIBPFM4=$(puse libpfm) + NO_LIBPYTHON=$(puse python) + NO_LIBTRACEEVENT=$(puse libtraceevent) + NO_LIBUNWIND=$(puse unwind) + NO_LIBZSTD=$(puse zstd) + NO_SDT=$(puse systemtap) + NO_SHELLCHECK=1 + NO_SLANG=$(puse slang) + NO_LZMA=$(puse lzma) + NO_ZLIB= + TCMALLOC=$(usex tcmalloc 1 "") + WERROR=0 + DEBUG=$(usex debug 1 "") + LIBDIR="/usr/libexec/perf-core" + libdir="${EPREFIX}/usr/$(get_libdir)" + plugindir="${EPREFIX}/usr/$(get_libdir)/perf/plugins" + "$@" + ) + emake "${emakeargs[@]}" +} + +src_compile() { + filter-lto + + perf_make -f Makefile.perf + use doc && perf_make -C Documentation man +} + +src_test() { + : +} + +src_install() { + _install_python_ext() { + perf_make -f Makefile.perf install-python_ext DESTDIR="${D}" + } + + perf_make -f Makefile.perf install DESTDIR="${D}" + + if use python; then + python_foreach_impl _install_python_ext + fi + + if use gtk; then + local libdir + libdir="$(get_libdir)" + # on some arches it ends up in lib even on 64bit, ppc64 for instance. + [[ -f "${ED}"/usr/lib/libperf-gtk.so ]] && libdir="lib" + mv "${ED}"/usr/${libdir}/libperf-gtk.so \ + "${ED}"/usr/libexec/perf-core || die + fi + + dodoc CREDITS + + dodoc *txt Documentation/*.txt + + # perf needs this decompressed to print out tips for users + docompress -x /usr/share/doc/${PF}/tips.txt + + if use doc ; then + doman Documentation/*.1 + fi +}
