From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752248AbbFRW37 (ORCPT ); Thu, 18 Jun 2015 18:29:59 -0400 Received: from mail.kernel.org ([198.145.29.136]:40569 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751560AbbFRW3u (ORCPT ); Thu, 18 Jun 2015 18:29:50 -0400 Date: Thu, 18 Jun 2015 19:29:41 -0300 From: Arnaldo Carvalho de Melo To: Adrian Hunter Cc: Ingo Molnar , linux-kernel@vger.kernel.org, Jiri Olsa Subject: Re: [PATCH V6 05/17] perf tools: Add Intel PT instruction decoder Message-ID: <20150618222941.GJ3079@kernel.org> References: <1432906425-9911-1-git-send-email-adrian.hunter@intel.com> <1432906425-9911-6-git-send-email-adrian.hunter@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1432906425-9911-6-git-send-email-adrian.hunter@intel.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Fri, May 29, 2015 at 04:33:33PM +0300, Adrian Hunter escreveu: > Add support for decoding instructions for Intel Processor Trace. The > kernel x86 instruction decoder is used for this. Ok, but we don't access kernel header files directly, and: [acme@zoo linux]$ find . -name "insn.h" ./arch/x86/include/asm/insn.h ./arch/arm64/include/asm/insn.h ./arch/arm/include/asm/insn.h [acme@zoo linux]$ find /usr/include -name "insn.h" [acme@zoo linux]$ But I need to look more into this patch to figure out if this is something generated at build time, etc, but before that I found a problem: So: > +inat_tables_script = ../../arch/x86/tools/gen-insn-attr-x86.awk > +inat_tables_maps = ../../arch/x86/lib/x86-opcode-map.txt These need to go into tools/perf/MANIFEST, so that: [acme@zoo linux]$ make help | grep perf perf-tar-src-pkg - Build perf-4.1.0-rc5.tar source tarball perf-targz-src-pkg - Build perf-4.1.0-rc5.tar.gz source tarball perf-tarbz2-src-pkg - Build perf-4.1.0-rc5.tar.bz2 source tarball perf-tarxz-src-pkg - Build perf-4.1.0-rc5.tar.xz source tarball [acme@zoo linux]$ Continue to work, in fact, there is a test for that, that will run when you do the build tests: make -C tools/perf build-test It is one of the last to be tested, so you may want to do it directly: [acme@zoo linux]$ make -C tools/perf -f tests/make tarpkg make: Entering directory '/home/git/linux/tools/perf' - tarpkg: ./tests/perf-targz-src-pkg . make: Leaving directory '/home/git/linux/tools/perf' [acme@zoo linux]$ After I apply this patch, I get: Applying: perf tools: Add Intel PT instruction decoder [tmp.perf/pt 1ab14c4be64b] perf tools: Add Intel PT instruction decoder Author: Adrian Hunter Date: Fri May 29 16:33:33 2015 +0300 6 files changed, 339 insertions(+), 3 deletions(-) rewrite tools/perf/util/intel-pt-decoder/Build (100%) create mode 100644 tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c create mode 100644 tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h [acme@zoo linux]$ fg bash: fg: current: no such job [acme@zoo linux]$ make -C tools/perf -f tests/make tarpkg make: Entering directory '/home/git/linux/tools/perf' - tarpkg: ./tests/perf-targz-src-pkg . tests/make:224: recipe for target 'tarpkg' failed make: *** [tarpkg] Error 2 make: Leaving directory '/home/git/linux/tools/perf' [acme@zoo linux]$ Doing it manually to see what happened: [acme@zoo linux]$ make perf-tar-src-pkg TAR [acme@zoo linux]$ ls -la perf-4.1.0-rc5.tar -rw-rw-r--. 1 acme acme 5027840 Jun 18 19:24 perf-4.1.0-rc5.tar [acme@zoo linux]$ mv perf-4.1.0-rc5.tar /tmp [acme@zoo linux]$ cd /tmp [acme@zoo tmp]$ tar xf perf-4.1.0-rc5.tar [acme@zoo tmp]$ cd perf-4.1.0-rc5/ [acme@zoo perf-4.1.0-rc5]$ make -C tools/perf make: Entering directory '/tmp/perf-4.1.0-rc5/tools/perf' BUILD: Doing 'make -j4' parallel build 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: [ on ] ... libdw-dwarf-unwind: [ on ] ... zlib: [ on ] ... lzma: [ on ] CC util/abspath.o CC fd/array.o PERF_VERSION = 4.1.rc5.g1ab14c CC fs/fs.o CC event-parse.o LD fd/libapi-in.o CC event-plugin.o CC fs/debugfs.o CC util/alias.o CC trace-seq.o CC util/cloexec.o CC util/thread-stack.o CC builtin-kmem.o CC builtin-lock.o CC util/auxtrace.o CC util/intel-pt-decoder/intel-pt-pkt-decoder.o make[4]: *** No rule to make target '../../arch/x86/tools/gen-insn-attr-x86.awk', needed by 'util/intel-pt-decoder/inat-tables.c'. Stop. make[4]: *** Waiting for unfinished jobs.... GEN util/intel-pt-decoder/inat.c cp: cannot stat ‘../../arch/x86/lib/inat.c’: No such file or directory util/intel-pt-decoder/Build:10: recipe for target 'util/intel-pt-decoder/inat.c' failed make[4]: *** [util/intel-pt-decoder/inat.c] Error 1 /tmp/perf-4.1.0-rc5/tools/build/Makefile.build:109: recipe for target 'intel-pt-decoder' failed make[3]: *** [intel-pt-decoder] Error 2 make[3]: *** Waiting for unfinished jobs.... CC builtin-kvm.o CC builtin-inject.o /tmp/perf-4.1.0-rc5/tools/build/Makefile.build:109: recipe for target 'util' failed make[2]: *** [util] Error 2 Makefile.perf:380: recipe for target 'libperf-in.o' failed make[1]: *** [libperf-in.o] Error 2 make[1]: *** Waiting for unfinished jobs.... CC builtin-mem.o CC builtin-data.o CC builtin-trace.o LD tests/perf-in.o LD perf-in.o Makefile:68: recipe for target 'all' failed make: *** [all] Error 2 make: Leaving directory '/tmp/perf-4.1.0-rc5/tools/perf' [acme@zoo perf-4.1.0-rc5]$ The patch fixed up wrt some recent changes to .gitignore and the makefiles is in my git tree at git.kernel.org, branch tmp.perf/pt. Calling it a day, will continue on this tomorrow. - Arnaldo > This essentially provides intel_pt_get_insn() which takes a binary > buffer, uses the kernel's x86 instruction decoder to get details > of the instruction and then categorizes it for consumption by > an Intel PT decoder. > > Signed-off-by: Adrian Hunter > --- > tools/build/Makefile.build | 2 + > tools/perf/.gitignore | 2 + > tools/perf/Makefile.perf | 12 +- > tools/perf/util/intel-pt-decoder/Build | 15 +- > .../util/intel-pt-decoder/intel-pt-insn-decoder.c | 246 +++++++++++++++++++++ > .../util/intel-pt-decoder/intel-pt-insn-decoder.h | 65 ++++++ > 6 files changed, 339 insertions(+), 3 deletions(-) > create mode 100644 tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c > create mode 100644 tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h > > diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build > index 10df572..7ad74e4 100644 > --- a/tools/build/Makefile.build > +++ b/tools/build/Makefile.build > @@ -57,6 +57,8 @@ quiet_cmd_cc_i_c = CPP $@ > quiet_cmd_cc_s_c = AS $@ > cmd_cc_s_c = $(CC) $(c_flags) -S -o $@ $< > > +quiet_cmd_gen = GEN $@ > + > # Link agregate command > # If there's nothing to link, create empty $@ object. > quiet_cmd_ld_multi = LD $@ > diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore > index 812f904..c88d5c5 100644 > --- a/tools/perf/.gitignore > +++ b/tools/perf/.gitignore > @@ -28,3 +28,5 @@ config.mak.autogen > *-flex.* > *.pyc > *.pyo > +util/intel-pt-decoder/inat-tables.c > +util/intel-pt-decoder/inat.c > diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf > index 5816a3b..3ae3a8e 100644 > --- a/tools/perf/Makefile.perf > +++ b/tools/perf/Makefile.perf > @@ -76,6 +76,12 @@ include config/utilities.mak > # > # Define NO_AUXTRACE if you do not want AUX area tracing support > > +# As per kernel Makefile, avoid funny character set dependencies > +unexport LC_ALL > +LC_COLLATE=C > +LC_NUMERIC=C > +export LC_COLLATE LC_NUMERIC > + > ifeq ($(srctree),) > srctree := $(patsubst %/,%,$(dir $(shell pwd))) > srctree := $(patsubst %/,%,$(dir $(srctree))) > @@ -122,6 +128,7 @@ INSTALL = install > FLEX = flex > BISON = bison > STRIP = strip > +AWK = awk > > LIB_DIR = $(srctree)/tools/lib/api/ > TRACE_EVENT_DIR = $(srctree)/tools/lib/traceevent/ > @@ -272,7 +279,7 @@ strip: $(PROGRAMS) $(OUTPUT)perf > > PERF_IN := $(OUTPUT)perf-in.o > > -export srctree OUTPUT RM CC LD AR CFLAGS V BISON FLEX > +export srctree OUTPUT RM CC LD AR CFLAGS V BISON FLEX AWK > build := -f $(srctree)/tools/build/Makefile.build dir=. obj > > $(PERF_IN): $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h FORCE > @@ -536,7 +543,8 @@ clean: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean config-clean > $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete > $(Q)$(RM) .config-detected > $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32 > - $(call QUIET_CLEAN, core-gen) $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)FEATURE-DUMP $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* > + $(call QUIET_CLEAN, core-gen) $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)FEATURE-DUMP $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* \ > + $(OUTPUT)util/intel-pt-decoder/inat.c $(OUTPUT)util/intel-pt-decoder/inat-tables.c > $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean > $(python-clean) > > diff --git a/tools/perf/util/intel-pt-decoder/Build b/tools/perf/util/intel-pt-decoder/Build > index 9d67381..f5f7f87 100644 > --- a/tools/perf/util/intel-pt-decoder/Build > +++ b/tools/perf/util/intel-pt-decoder/Build > @@ -1 +1,14 @@ > -libperf-$(CONFIG_AUXTRACE) += intel-pt-pkt-decoder.o > +libperf-$(CONFIG_AUXTRACE) += intel-pt-pkt-decoder.o intel-pt-insn-decoder.o > + > +inat_tables_script = ../../arch/x86/tools/gen-insn-attr-x86.awk > +inat_tables_maps = ../../arch/x86/lib/x86-opcode-map.txt > + > +$(OUTPUT)util/intel-pt-decoder/inat-tables.c: $(inat_tables_script) $(inat_tables_maps) > + @$(call echo-cmd,gen)$(AWK) -f $(inat_tables_script) $(inat_tables_maps) > $@ || rm -f $@ > + > +$(OUTPUT)util/intel-pt-decoder/inat.c: > + @$(call echo-cmd,gen)cp ../../arch/x86/lib/inat.c $(OUTPUT)util/intel-pt-decoder/inat.c > + > +$(OUTPUT)util/intel-pt-decoder/intel-pt-insn-decoder.o: $(OUTPUT)util/intel-pt-decoder/inat.c $(OUTPUT)util/intel-pt-decoder/inat-tables.c > + > +CFLAGS_intel-pt-insn-decoder.o += -I../../arch/x86/include -I$(OUTPUT)util/intel-pt-decoder -I../../arch/x86/lib -Wno-override-init > diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c > new file mode 100644 > index 0000000..2fa82c5 > --- /dev/null > +++ b/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.c > @@ -0,0 +1,246 @@ > +/* > + * intel_pt_insn_decoder.c: Intel Processor Trace support > + * Copyright (c) 2013-2014, Intel Corporation. > + * > + * This program is free software; you can redistribute it and/or modify it > + * under the terms and conditions of the GNU General Public License, > + * version 2, as published by the Free Software Foundation. > + * > + * This program is distributed in the hope it will be useful, but WITHOUT > + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or > + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for > + * more details. > + * > + */ > + > +#include > +#include > +#include > +#include > + > +#include "event.h" > + > +#include > + > +#include "inat.c" > +#include > + > +#include "intel-pt-insn-decoder.h" > + > +/* Based on branch_type() from perf_event_intel_lbr.c */ > +static void intel_pt_insn_decoder(struct insn *insn, > + struct intel_pt_insn *intel_pt_insn) > +{ > + enum intel_pt_insn_op op = INTEL_PT_OP_OTHER; > + enum intel_pt_insn_branch branch = INTEL_PT_BR_NO_BRANCH; > + int ext; > + > + if (insn_is_avx(insn)) { > + intel_pt_insn->op = INTEL_PT_OP_OTHER; > + intel_pt_insn->branch = INTEL_PT_BR_NO_BRANCH; > + intel_pt_insn->length = insn->length; > + return; > + } > + > + switch (insn->opcode.bytes[0]) { > + case 0xf: > + switch (insn->opcode.bytes[1]) { > + case 0x05: /* syscall */ > + case 0x34: /* sysenter */ > + op = INTEL_PT_OP_SYSCALL; > + branch = INTEL_PT_BR_INDIRECT; > + break; > + case 0x07: /* sysret */ > + case 0x35: /* sysexit */ > + op = INTEL_PT_OP_SYSRET; > + branch = INTEL_PT_BR_INDIRECT; > + break; > + case 0x80 ... 0x8f: /* jcc */ > + op = INTEL_PT_OP_JCC; > + branch = INTEL_PT_BR_CONDITIONAL; > + break; > + default: > + break; > + } > + break; > + case 0x70 ... 0x7f: /* jcc */ > + op = INTEL_PT_OP_JCC; > + branch = INTEL_PT_BR_CONDITIONAL; > + break; > + case 0xc2: /* near ret */ > + case 0xc3: /* near ret */ > + case 0xca: /* far ret */ > + case 0xcb: /* far ret */ > + op = INTEL_PT_OP_RET; > + branch = INTEL_PT_BR_INDIRECT; > + break; > + case 0xcf: /* iret */ > + op = INTEL_PT_OP_IRET; > + branch = INTEL_PT_BR_INDIRECT; > + break; > + case 0xcc ... 0xce: /* int */ > + op = INTEL_PT_OP_INT; > + branch = INTEL_PT_BR_INDIRECT; > + break; > + case 0xe8: /* call near rel */ > + op = INTEL_PT_OP_CALL; > + branch = INTEL_PT_BR_UNCONDITIONAL; > + break; > + case 0x9a: /* call far absolute */ > + op = INTEL_PT_OP_CALL; > + branch = INTEL_PT_BR_INDIRECT; > + break; > + case 0xe0 ... 0xe2: /* loop */ > + op = INTEL_PT_OP_LOOP; > + branch = INTEL_PT_BR_CONDITIONAL; > + break; > + case 0xe3: /* jcc */ > + op = INTEL_PT_OP_JCC; > + branch = INTEL_PT_BR_CONDITIONAL; > + break; > + case 0xe9: /* jmp */ > + case 0xeb: /* jmp */ > + op = INTEL_PT_OP_JMP; > + branch = INTEL_PT_BR_UNCONDITIONAL; > + break; > + case 0xea: /* far jmp */ > + op = INTEL_PT_OP_JMP; > + branch = INTEL_PT_BR_INDIRECT; > + break; > + case 0xff: /* call near absolute, call far absolute ind */ > + ext = (insn->modrm.bytes[0] >> 3) & 0x7; > + switch (ext) { > + case 2: /* near ind call */ > + case 3: /* far ind call */ > + op = INTEL_PT_OP_CALL; > + branch = INTEL_PT_BR_INDIRECT; > + break; > + case 4: > + case 5: > + op = INTEL_PT_OP_JMP; > + branch = INTEL_PT_BR_INDIRECT; > + break; > + default: > + break; > + } > + break; > + default: > + break; > + } > + > + intel_pt_insn->op = op; > + intel_pt_insn->branch = branch; > + intel_pt_insn->length = insn->length; > + > + if (branch == INTEL_PT_BR_CONDITIONAL || > + branch == INTEL_PT_BR_UNCONDITIONAL) { > +#if __BYTE_ORDER == __BIG_ENDIAN > + switch (insn->immediate.nbytes) { > + case 1: > + intel_pt_insn->rel = insn->immediate.value; > + break; > + case 2: > + intel_pt_insn->rel = > + bswap_16((short)insn->immediate.value); > + break; > + case 4: > + intel_pt_insn->rel = bswap_32(insn->immediate.value); > + break; > + } > +#else > + intel_pt_insn->rel = insn->immediate.value; > +#endif > + } > +} > + > +int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64, > + struct intel_pt_insn *intel_pt_insn) > +{ > + struct insn insn; > + > + insn_init(&insn, buf, len, x86_64); > + insn_get_length(&insn); > + if (!insn_complete(&insn) || insn.length > len) > + return -1; > + intel_pt_insn_decoder(&insn, intel_pt_insn); > + if (insn.length < INTEL_PT_INSN_DBG_BUF_SZ) > + memcpy(intel_pt_insn->buf, buf, insn.length); > + else > + memcpy(intel_pt_insn->buf, buf, INTEL_PT_INSN_DBG_BUF_SZ); > + return 0; > +} > + > +const char *branch_name[] = { > + [INTEL_PT_OP_OTHER] = "Other", > + [INTEL_PT_OP_CALL] = "Call", > + [INTEL_PT_OP_RET] = "Ret", > + [INTEL_PT_OP_JCC] = "Jcc", > + [INTEL_PT_OP_JMP] = "Jmp", > + [INTEL_PT_OP_LOOP] = "Loop", > + [INTEL_PT_OP_IRET] = "IRet", > + [INTEL_PT_OP_INT] = "Int", > + [INTEL_PT_OP_SYSCALL] = "Syscall", > + [INTEL_PT_OP_SYSRET] = "Sysret", > +}; > + > +const char *intel_pt_insn_name(enum intel_pt_insn_op op) > +{ > + return branch_name[op]; > +} > + > +int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf, > + size_t buf_len) > +{ > + switch (intel_pt_insn->branch) { > + case INTEL_PT_BR_CONDITIONAL: > + case INTEL_PT_BR_UNCONDITIONAL: > + return snprintf(buf, buf_len, "%s %s%d", > + intel_pt_insn_name(intel_pt_insn->op), > + intel_pt_insn->rel > 0 ? "+" : "", > + intel_pt_insn->rel); > + case INTEL_PT_BR_NO_BRANCH: > + case INTEL_PT_BR_INDIRECT: > + return snprintf(buf, buf_len, "%s", > + intel_pt_insn_name(intel_pt_insn->op)); > + default: > + break; > + } > + return 0; > +} > + > +size_t intel_pt_insn_max_size(void) > +{ > + return MAX_INSN_SIZE; > +} > + > +int intel_pt_insn_type(enum intel_pt_insn_op op) > +{ > + switch (op) { > + case INTEL_PT_OP_OTHER: > + return 0; > + case INTEL_PT_OP_CALL: > + return PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL; > + case INTEL_PT_OP_RET: > + return PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN; > + case INTEL_PT_OP_JCC: > + return PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL; > + case INTEL_PT_OP_JMP: > + return PERF_IP_FLAG_BRANCH; > + case INTEL_PT_OP_LOOP: > + return PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL; > + case INTEL_PT_OP_IRET: > + return PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | > + PERF_IP_FLAG_INTERRUPT; > + case INTEL_PT_OP_INT: > + return PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | > + PERF_IP_FLAG_INTERRUPT; > + case INTEL_PT_OP_SYSCALL: > + return PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | > + PERF_IP_FLAG_SYSCALLRET; > + case INTEL_PT_OP_SYSRET: > + return PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | > + PERF_IP_FLAG_SYSCALLRET; > + default: > + return 0; > + } > +} > diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h > new file mode 100644 > index 0000000..b0adbf3 > --- /dev/null > +++ b/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.h > @@ -0,0 +1,65 @@ > +/* > + * intel_pt_insn_decoder.h: Intel Processor Trace support > + * Copyright (c) 2013-2014, Intel Corporation. > + * > + * This program is free software; you can redistribute it and/or modify it > + * under the terms and conditions of the GNU General Public License, > + * version 2, as published by the Free Software Foundation. > + * > + * This program is distributed in the hope it will be useful, but WITHOUT > + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or > + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for > + * more details. > + * > + */ > + > +#ifndef INCLUDE__INTEL_PT_INSN_DECODER_H__ > +#define INCLUDE__INTEL_PT_INSN_DECODER_H__ > + > +#include > +#include > + > +#define INTEL_PT_INSN_DESC_MAX 32 > +#define INTEL_PT_INSN_DBG_BUF_SZ 16 > + > +enum intel_pt_insn_op { > + INTEL_PT_OP_OTHER, > + INTEL_PT_OP_CALL, > + INTEL_PT_OP_RET, > + INTEL_PT_OP_JCC, > + INTEL_PT_OP_JMP, > + INTEL_PT_OP_LOOP, > + INTEL_PT_OP_IRET, > + INTEL_PT_OP_INT, > + INTEL_PT_OP_SYSCALL, > + INTEL_PT_OP_SYSRET, > +}; > + > +enum intel_pt_insn_branch { > + INTEL_PT_BR_NO_BRANCH, > + INTEL_PT_BR_INDIRECT, > + INTEL_PT_BR_CONDITIONAL, > + INTEL_PT_BR_UNCONDITIONAL, > +}; > + > +struct intel_pt_insn { > + enum intel_pt_insn_op op; > + enum intel_pt_insn_branch branch; > + int length; > + int32_t rel; > + unsigned char buf[INTEL_PT_INSN_DBG_BUF_SZ]; > +}; > + > +int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64, > + struct intel_pt_insn *intel_pt_insn); > + > +const char *intel_pt_insn_name(enum intel_pt_insn_op op); > + > +int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf, > + size_t buf_len); > + > +size_t intel_pt_insn_max_size(void); > + > +int intel_pt_insn_type(enum intel_pt_insn_op op); > + > +#endif > -- > 1.9.1