mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 02:06:43 +07:00
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/perf into perf/core
This commit is contained in:
Ingo Molnar
commit
4093b150e5
@ -173,6 +173,20 @@ uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
|
||||
uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
|
||||
uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
|
||||
|
||||
ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
|
||||
-e s/arm.*/arm/ -e s/sa110/arm/ \
|
||||
-e s/s390x/s390/ -e s/parisc64/parisc/ \
|
||||
-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
|
||||
-e s/sh[234].*/sh/ )
|
||||
|
||||
# Additional ARCH settings for x86
|
||||
ifeq ($(ARCH),i386)
|
||||
ARCH := x86
|
||||
endif
|
||||
ifeq ($(ARCH),x86_64)
|
||||
ARCH := x86
|
||||
endif
|
||||
|
||||
# CFLAGS and LDFLAGS are for the users to override from the command line.
|
||||
|
||||
#
|
||||
@ -285,7 +299,7 @@ endif
|
||||
# Those must not be GNU-specific; they are shared with perl/ which may
|
||||
# be built by a different compiler. (Note that this is an artifact now
|
||||
# but it still might be nice to keep that distinction.)
|
||||
BASIC_CFLAGS = -Iutil/include
|
||||
BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include
|
||||
BASIC_LDFLAGS =
|
||||
|
||||
# Guard against environment variables
|
||||
@ -367,6 +381,7 @@ LIB_H += util/include/asm/byteorder.h
|
||||
LIB_H += util/include/asm/swab.h
|
||||
LIB_H += util/include/asm/system.h
|
||||
LIB_H += util/include/asm/uaccess.h
|
||||
LIB_H += util/include/dwarf-regs.h
|
||||
LIB_H += perf.h
|
||||
LIB_H += util/cache.h
|
||||
LIB_H += util/callchain.h
|
||||
@ -487,6 +502,15 @@ PERFLIBS = $(LIB_FILE)
|
||||
-include config.mak.autogen
|
||||
-include config.mak
|
||||
|
||||
ifndef NO_DWARF
|
||||
ifneq ($(shell sh -c "(echo '\#include <dwarf.h>'; echo '\#include <libdw.h>'; echo 'int main(void) { Dwarf *dbg; dbg = dwarf_begin(0, DWARF_C_READ); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -I/usr/include/elfutils -ldw -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
|
||||
msg := $(warning No libdw.h found or old libdw.h found, disables dwarf support. Please install elfutils-devel/elfutils-dev);
|
||||
NO_DWARF := 1
|
||||
endif # Dwarf support
|
||||
endif # NO_DWARF
|
||||
|
||||
-include arch/$(ARCH)/Makefile
|
||||
|
||||
ifeq ($(uname_S),Darwin)
|
||||
ifndef NO_FINK
|
||||
ifeq ($(shell test -d /sw/lib && echo y),y)
|
||||
@ -519,15 +543,15 @@ else
|
||||
msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]);
|
||||
endif
|
||||
|
||||
ifneq ($(shell sh -c "(echo '\#include <dwarf.h>'; echo '\#include <libdw.h>'; echo 'int main(void) { Dwarf *dbg; dbg = dwarf_begin(0, DWARF_C_READ); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -I/usr/include/elfutils -ldw -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
|
||||
msg := $(warning No libdw.h found or old libdw.h found, disables dwarf support. Please install elfutils-devel/elfutils-dev);
|
||||
else
|
||||
ifndef NO_DWARF
|
||||
ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
|
||||
msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
|
||||
else
|
||||
BASIC_CFLAGS += -I/usr/include/elfutils -DDWARF_SUPPORT
|
||||
EXTLIBS += -lelf -ldw
|
||||
LIB_OBJS += $(OUTPUT)util/probe-finder.o
|
||||
endif
|
||||
endif
|
||||
endif # PERF_HAVE_DWARF_REGS
|
||||
endif # NO_DWARF
|
||||
|
||||
ifneq ($(shell sh -c "(echo '\#include <newt.h>'; echo 'int main(void) { newtInit(); newtCls(); return newtFinished(); }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -lnewt -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
|
||||
msg := $(warning newt not found, disables TUI support. Please install newt-devel or libnewt-dev);
|
||||
|
||||
4
tools/perf/arch/powerpc/Makefile
Normal file
4
tools/perf/arch/powerpc/Makefile
Normal file
@ -0,0 +1,4 @@
|
||||
ifndef NO_DWARF
|
||||
PERF_HAVE_DWARF_REGS := 1
|
||||
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
|
||||
endif
|
||||
88
tools/perf/arch/powerpc/util/dwarf-regs.c
Normal file
88
tools/perf/arch/powerpc/util/dwarf-regs.c
Normal file
@ -0,0 +1,88 @@
|
||||
/*
|
||||
* Mapping of DWARF debug register numbers into register names.
|
||||
*
|
||||
* Copyright (C) 2010 Ian Munsie, IBM Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version
|
||||
* 2 of the License, or (at your option) any later version.
|
||||
*/
|
||||
|
||||
#include <libio.h>
|
||||
#include <dwarf-regs.h>
|
||||
|
||||
|
||||
struct pt_regs_dwarfnum {
|
||||
const char *name;
|
||||
unsigned int dwarfnum;
|
||||
};
|
||||
|
||||
#define STR(s) #s
|
||||
#define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num}
|
||||
#define GPR_DWARFNUM_NAME(num) \
|
||||
{.name = STR(%gpr##num), .dwarfnum = num}
|
||||
#define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0}
|
||||
|
||||
/*
|
||||
* Reference:
|
||||
* http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi-1.9.html
|
||||
*/
|
||||
static const struct pt_regs_dwarfnum regdwarfnum_table[] = {
|
||||
GPR_DWARFNUM_NAME(0),
|
||||
GPR_DWARFNUM_NAME(1),
|
||||
GPR_DWARFNUM_NAME(2),
|
||||
GPR_DWARFNUM_NAME(3),
|
||||
GPR_DWARFNUM_NAME(4),
|
||||
GPR_DWARFNUM_NAME(5),
|
||||
GPR_DWARFNUM_NAME(6),
|
||||
GPR_DWARFNUM_NAME(7),
|
||||
GPR_DWARFNUM_NAME(8),
|
||||
GPR_DWARFNUM_NAME(9),
|
||||
GPR_DWARFNUM_NAME(10),
|
||||
GPR_DWARFNUM_NAME(11),
|
||||
GPR_DWARFNUM_NAME(12),
|
||||
GPR_DWARFNUM_NAME(13),
|
||||
GPR_DWARFNUM_NAME(14),
|
||||
GPR_DWARFNUM_NAME(15),
|
||||
GPR_DWARFNUM_NAME(16),
|
||||
GPR_DWARFNUM_NAME(17),
|
||||
GPR_DWARFNUM_NAME(18),
|
||||
GPR_DWARFNUM_NAME(19),
|
||||
GPR_DWARFNUM_NAME(20),
|
||||
GPR_DWARFNUM_NAME(21),
|
||||
GPR_DWARFNUM_NAME(22),
|
||||
GPR_DWARFNUM_NAME(23),
|
||||
GPR_DWARFNUM_NAME(24),
|
||||
GPR_DWARFNUM_NAME(25),
|
||||
GPR_DWARFNUM_NAME(26),
|
||||
GPR_DWARFNUM_NAME(27),
|
||||
GPR_DWARFNUM_NAME(28),
|
||||
GPR_DWARFNUM_NAME(29),
|
||||
GPR_DWARFNUM_NAME(30),
|
||||
GPR_DWARFNUM_NAME(31),
|
||||
REG_DWARFNUM_NAME("%msr", 66),
|
||||
REG_DWARFNUM_NAME("%ctr", 109),
|
||||
REG_DWARFNUM_NAME("%link", 108),
|
||||
REG_DWARFNUM_NAME("%xer", 101),
|
||||
REG_DWARFNUM_NAME("%dar", 119),
|
||||
REG_DWARFNUM_NAME("%dsisr", 118),
|
||||
REG_DWARFNUM_END,
|
||||
};
|
||||
|
||||
/**
|
||||
* get_arch_regstr() - lookup register name from it's DWARF register number
|
||||
* @n: the DWARF register number
|
||||
*
|
||||
* get_arch_regstr() returns the name of the register in struct
|
||||
* regdwarfnum_table from it's DWARF register number. If the register is not
|
||||
* found in the table, this returns NULL;
|
||||
*/
|
||||
const char *get_arch_regstr(unsigned int n)
|
||||
{
|
||||
const struct pt_regs_dwarfnum *roff;
|
||||
for (roff = regdwarfnum_table; roff->name != NULL; roff++)
|
||||
if (roff->dwarfnum == n)
|
||||
return roff->name;
|
||||
return NULL;
|
||||
}
|
||||
4
tools/perf/arch/x86/Makefile
Normal file
4
tools/perf/arch/x86/Makefile
Normal file
@ -0,0 +1,4 @@
|
||||
ifndef NO_DWARF
|
||||
PERF_HAVE_DWARF_REGS := 1
|
||||
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
|
||||
endif
|
||||
75
tools/perf/arch/x86/util/dwarf-regs.c
Normal file
75
tools/perf/arch/x86/util/dwarf-regs.c
Normal file
@ -0,0 +1,75 @@
|
||||
/*
|
||||
* dwarf-regs.c : Mapping of DWARF debug register numbers into register names.
|
||||
* Extracted from probe-finder.c
|
||||
*
|
||||
* Written by Masami Hiramatsu <mhiramat@redhat.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that 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.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <libio.h>
|
||||
#include <dwarf-regs.h>
|
||||
|
||||
/*
|
||||
* Generic dwarf analysis helpers
|
||||
*/
|
||||
|
||||
#define X86_32_MAX_REGS 8
|
||||
const char *x86_32_regs_table[X86_32_MAX_REGS] = {
|
||||
"%ax",
|
||||
"%cx",
|
||||
"%dx",
|
||||
"%bx",
|
||||
"$stack", /* Stack address instead of %sp */
|
||||
"%bp",
|
||||
"%si",
|
||||
"%di",
|
||||
};
|
||||
|
||||
#define X86_64_MAX_REGS 16
|
||||
const char *x86_64_regs_table[X86_64_MAX_REGS] = {
|
||||
"%ax",
|
||||
"%dx",
|
||||
"%cx",
|
||||
"%bx",
|
||||
"%si",
|
||||
"%di",
|
||||
"%bp",
|
||||
"%sp",
|
||||
"%r8",
|
||||
"%r9",
|
||||
"%r10",
|
||||
"%r11",
|
||||
"%r12",
|
||||
"%r13",
|
||||
"%r14",
|
||||
"%r15",
|
||||
};
|
||||
|
||||
/* TODO: switching by dwarf address size */
|
||||
#ifdef __x86_64__
|
||||
#define ARCH_MAX_REGS X86_64_MAX_REGS
|
||||
#define arch_regs_table x86_64_regs_table
|
||||
#else
|
||||
#define ARCH_MAX_REGS X86_32_MAX_REGS
|
||||
#define arch_regs_table x86_32_regs_table
|
||||
#endif
|
||||
|
||||
/* Return architecture dependent register string (for kprobe-tracer) */
|
||||
const char *get_arch_regstr(unsigned int n)
|
||||
{
|
||||
return (n <= ARCH_MAX_REGS) ? arch_regs_table[n] : NULL;
|
||||
}
|
||||
8
tools/perf/util/include/dwarf-regs.h
Normal file
8
tools/perf/util/include/dwarf-regs.h
Normal file
@ -0,0 +1,8 @@
|
||||
#ifndef _PERF_DWARF_REGS_H_
|
||||
#define _PERF_DWARF_REGS_H_
|
||||
|
||||
#ifdef DWARF_SUPPORT
|
||||
const char *get_arch_regstr(unsigned int n);
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -31,6 +31,7 @@
|
||||
#include <string.h>
|
||||
#include <stdarg.h>
|
||||
#include <ctype.h>
|
||||
#include <dwarf-regs.h>
|
||||
|
||||
#include "string.h"
|
||||
#include "event.h"
|
||||
@ -38,61 +39,9 @@
|
||||
#include "util.h"
|
||||
#include "probe-finder.h"
|
||||
|
||||
|
||||
/*
|
||||
* Generic dwarf analysis helpers
|
||||
*/
|
||||
|
||||
#define X86_32_MAX_REGS 8
|
||||
const char *x86_32_regs_table[X86_32_MAX_REGS] = {
|
||||
"%ax",
|
||||
"%cx",
|
||||
"%dx",
|
||||
"%bx",
|
||||
"$stack", /* Stack address instead of %sp */
|
||||
"%bp",
|
||||
"%si",
|
||||
"%di",
|
||||
};
|
||||
|
||||
#define X86_64_MAX_REGS 16
|
||||
const char *x86_64_regs_table[X86_64_MAX_REGS] = {
|
||||
"%ax",
|
||||
"%dx",
|
||||
"%cx",
|
||||
"%bx",
|
||||
"%si",
|
||||
"%di",
|
||||
"%bp",
|
||||
"%sp",
|
||||
"%r8",
|
||||
"%r9",
|
||||
"%r10",
|
||||
"%r11",
|
||||
"%r12",
|
||||
"%r13",
|
||||
"%r14",
|
||||
"%r15",
|
||||
};
|
||||
|
||||
/* TODO: switching by dwarf address size */
|
||||
#ifdef __x86_64__
|
||||
#define ARCH_MAX_REGS X86_64_MAX_REGS
|
||||
#define arch_regs_table x86_64_regs_table
|
||||
#else
|
||||
#define ARCH_MAX_REGS X86_32_MAX_REGS
|
||||
#define arch_regs_table x86_32_regs_table
|
||||
#endif
|
||||
|
||||
/* Kprobe tracer basic type is up to u64 */
|
||||
#define MAX_BASIC_TYPE_BITS 64
|
||||
|
||||
/* Return architecture dependent register string (for kprobe-tracer) */
|
||||
static const char *get_arch_regstr(unsigned int n)
|
||||
{
|
||||
return (n <= ARCH_MAX_REGS) ? arch_regs_table[n] : NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* Compare the tail of two strings.
|
||||
* Return 0 if whole of either string is same as another's tail part.
|
||||
@ -447,7 +396,7 @@ static int convert_location(Dwarf_Op *op, struct probe_finder *pf)
|
||||
|
||||
regs = get_arch_regstr(regn);
|
||||
if (!regs) {
|
||||
pr_warning("%u exceeds max register number.\n", regn);
|
||||
pr_warning("Mapping for DWARF register number %u missing on this architecture.", regn);
|
||||
return -ERANGE;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user