From patchwork Tue Dec 29 12:55:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 11992381 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27592C43381 for ; Tue, 29 Dec 2020 12:57:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 05CA32226A for ; Tue, 29 Dec 2020 12:57:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726452AbgL2M5W (ORCPT ); Tue, 29 Dec 2020 07:57:22 -0500 Received: from mail.loongson.cn ([114.242.206.163]:46500 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726002AbgL2M5V (ORCPT ); Tue, 29 Dec 2020 07:57:21 -0500 Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dx3zZhJ+tfy00HAA--.27S3; Tue, 29 Dec 2020 20:56:07 +0800 (CST) From: Tiezhu Yang To: Thomas Bogendoerfer , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Xuefeng Li , David Daney , Ralf Baechle , Archer Yan Subject: [PATCH 1/3] MIPS: kernel: Support extracting off-line stack traces from user-space with perf Date: Tue, 29 Dec 2020 20:55:59 +0800 Message-Id: <1609246561-5474-2-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1609246561-5474-1-git-send-email-yangtiezhu@loongson.cn> References: <1609246561-5474-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9Dx3zZhJ+tfy00HAA--.27S3 X-Coremail-Antispam: 1UD129KBjvJXoW3AF4rJrW7JryDWF17uF45ZFb_yoW7CryUpr W7Cw1rJw4vqa47C3yfCFy8ur13taykXFZ7ZrWfC343ZrW2van5Xwn2gr13t343Jr1Uta17 uFyqqr4UCF1jyw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPG14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26r4j6ryUM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2 xKxwCY02Avz4vE14v_Xr1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l x2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14 v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IY x2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87 Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIF yTuYvjfUj6pBDUUUU X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Add perf_event_mips_regs/perf_reg_value/perf_reg_validate to support features HAVE_PERF_REGS/HAVE_PERF_USER_STACK_DUMP in kernel. [ayan@wavecomp.com: Repick this patch for unwinding userstack backtrace by perf and libunwind on MIPS based CPU.] [ralf@linux-mips.org: Add perf_get_regs_user() which is required after 'commit 88a7c26af8da ("perf: Move task_pt_regs sampling into arch code")'.] [yangtiezhu@loongson.cn: Fix build error about perf_get_regs_user() after commit 76a4efa80900 ("perf/arch: Remove perf_sample_data::regs_user_copy"), and also separate the original patches into two parts (MIPS kernel and perf tools) to merge easily.] The original patches: https://lore.kernel.org/patchwork/patch/1126521/ https://lore.kernel.org/patchwork/patch/1126520/ Signed-off-by: David Daney Signed-off-by: Ralf Baechle Signed-off-by: Archer Yan Signed-off-by: Tiezhu Yang --- arch/mips/Kconfig | 2 + arch/mips/include/uapi/asm/perf_regs.h | 42 +++++++++++++++++++++ arch/mips/kernel/Makefile | 2 +- arch/mips/kernel/perf_regs.c | 68 ++++++++++++++++++++++++++++++++++ 4 files changed, 113 insertions(+), 1 deletion(-) create mode 100644 arch/mips/include/uapi/asm/perf_regs.h create mode 100644 arch/mips/kernel/perf_regs.c diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 0a17bed..092c876 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -76,6 +76,8 @@ config MIPS select HAVE_NMI select HAVE_OPROFILE select HAVE_PERF_EVENTS + select HAVE_PERF_REGS + select HAVE_PERF_USER_STACK_DUMP select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RSEQ select HAVE_SPARSE_SYSCALL_NR diff --git a/arch/mips/include/uapi/asm/perf_regs.h b/arch/mips/include/uapi/asm/perf_regs.h new file mode 100644 index 0000000..f3cef08 --- /dev/null +++ b/arch/mips/include/uapi/asm/perf_regs.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_MIPS_PERF_REGS_H +#define _ASM_MIPS_PERF_REGS_H + +enum perf_event_mips_regs { + PERF_REG_MIPS_PC, + PERF_REG_MIPS_R1, + PERF_REG_MIPS_R2, + PERF_REG_MIPS_R3, + PERF_REG_MIPS_R4, + PERF_REG_MIPS_R5, + PERF_REG_MIPS_R6, + PERF_REG_MIPS_R7, + PERF_REG_MIPS_R8, + PERF_REG_MIPS_R9, + PERF_REG_MIPS_R10, + PERF_REG_MIPS_R11, + PERF_REG_MIPS_R12, + PERF_REG_MIPS_R13, + PERF_REG_MIPS_R14, + PERF_REG_MIPS_R15, + PERF_REG_MIPS_R16, + PERF_REG_MIPS_R17, + PERF_REG_MIPS_R18, + PERF_REG_MIPS_R19, + PERF_REG_MIPS_R20, + PERF_REG_MIPS_R21, + PERF_REG_MIPS_R22, + PERF_REG_MIPS_R23, + PERF_REG_MIPS_R24, + PERF_REG_MIPS_R25, + /* + * 26 and 27 are k0 and k1, they are always clobbered thus not + * stored. + */ + PERF_REG_MIPS_R28, + PERF_REG_MIPS_R29, + PERF_REG_MIPS_R30, + PERF_REG_MIPS_R31, + PERF_REG_MIPS_MAX = PERF_REG_MIPS_R31 + 1, +}; +#endif /* _ASM_MIPS_PERF_REGS_H */ diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 2a05b92..120075a 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -104,7 +104,7 @@ obj-$(CONFIG_MIPSR2_TO_R6_EMULATOR) += mips-r2-to-r6-emul.o CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -x c /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi) -obj-$(CONFIG_PERF_EVENTS) += perf_event.o +obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_regs.o obj-$(CONFIG_HW_PERF_EVENTS) += perf_event_mipsxx.o obj-$(CONFIG_JUMP_LABEL) += jump_label.o diff --git a/arch/mips/kernel/perf_regs.c b/arch/mips/kernel/perf_regs.c new file mode 100644 index 0000000..e686780 --- /dev/null +++ b/arch/mips/kernel/perf_regs.c @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Some parts derived from x86 version of this file. + * + * Copyright (C) 2013 Cavium, Inc. + */ + +#include + +#include + +#ifdef CONFIG_32BIT +u64 perf_reg_abi(struct task_struct *tsk) +{ + return PERF_SAMPLE_REGS_ABI_32; +} +#else /* Must be CONFIG_64BIT */ +u64 perf_reg_abi(struct task_struct *tsk) +{ + if (test_tsk_thread_flag(tsk, TIF_32BIT_REGS)) + return PERF_SAMPLE_REGS_ABI_32; + else + return PERF_SAMPLE_REGS_ABI_64; +} +#endif /* CONFIG_32BIT */ + +int perf_reg_validate(u64 mask) +{ + if (!mask) + return -EINVAL; + if (mask & ~((1ull << PERF_REG_MIPS_MAX) - 1)) + return -EINVAL; + return 0; +} + +u64 perf_reg_value(struct pt_regs *regs, int idx) +{ + long v; + + switch (idx) { + case PERF_REG_MIPS_PC: + v = regs->cp0_epc; + break; + case PERF_REG_MIPS_R1 ... PERF_REG_MIPS_R25: + v = regs->regs[idx - PERF_REG_MIPS_R1 + 1]; + break; + case PERF_REG_MIPS_R28 ... PERF_REG_MIPS_R31: + v = regs->regs[idx - PERF_REG_MIPS_R28 + 28]; + break; + + default: + WARN_ON_ONCE(1); + return 0; + } + + return (s64)v; /* Sign extend if 32-bit. */ +} + +void perf_get_regs_user(struct perf_regs *regs_user, + struct pt_regs *regs) +{ + regs_user->regs = task_pt_regs(current); + regs_user->abi = perf_reg_abi(current); +} From patchwork Tue Dec 29 12:56:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 11992385 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F578C433DB for ; Tue, 29 Dec 2020 12:57:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22513207C8 for ; Tue, 29 Dec 2020 12:57:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726352AbgL2M5S (ORCPT ); Tue, 29 Dec 2020 07:57:18 -0500 Received: from mail.loongson.cn ([114.242.206.163]:46476 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726002AbgL2M5S (ORCPT ); Tue, 29 Dec 2020 07:57:18 -0500 Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dx3zZhJ+tfy00HAA--.27S4; Tue, 29 Dec 2020 20:56:12 +0800 (CST) From: Tiezhu Yang To: Thomas Bogendoerfer , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Xuefeng Li , David Daney , Ralf Baechle , Archer Yan Subject: [PATCH 2/3] perf tools: Support mips unwinding and dwarf-regs Date: Tue, 29 Dec 2020 20:56:00 +0800 Message-Id: <1609246561-5474-3-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1609246561-5474-1-git-send-email-yangtiezhu@loongson.cn> References: <1609246561-5474-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9Dx3zZhJ+tfy00HAA--.27S4 X-Coremail-Antispam: 1UD129KBjvJXoWfJF45Ww43JrWUuw4kuw4fuFg_yoWDXF1UpF 47C348Jw48Xa4ak3yrCFWUuF13Gan2vF9avryfKrZrZr47t3WrX392yrn0gw1xXw48Gw4x Wr9Igr4UCw4fJw7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUPC14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1l e2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI 8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwAC jcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0x kIwI1lc2xSY4AK67AK6ryUMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4U MI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67 AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0 cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z2 80aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI 43ZEXa7VUjZa93UUUUU== X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Map perf APIs(perf_reg_name/get_arch_regstr/unwind__arch_reg_id) with MIPS specific registers. [ayan@wavecomp.com: repick this patch for unwinding userstack backtrace by perf and libunwind on MIPS based CPU.] [yangtiezhu@loongson.cn: Add sample_reg_masks[] to fix build error, silence some checkpatch errors and warnings, and also separate the original patches into two parts (MIPS kernel and perf tools) to merge easily.] The original patches: https://lore.kernel.org/patchwork/patch/1126521/ https://lore.kernel.org/patchwork/patch/1126520/ Signed-off-by: David Daney Signed-off-by: Ralf Baechle Signed-off-by: Archer Yan Signed-off-by: Tiezhu Yang --- tools/perf/Makefile.config | 6 ++ tools/perf/arch/mips/Makefile | 4 ++ tools/perf/arch/mips/include/dwarf-regs-table.h | 31 +++++++++ tools/perf/arch/mips/include/perf_regs.h | 84 +++++++++++++++++++++++++ tools/perf/arch/mips/util/Build | 3 + tools/perf/arch/mips/util/dwarf-regs.c | 38 +++++++++++ tools/perf/arch/mips/util/perf_regs.c | 6 ++ tools/perf/arch/mips/util/unwind-libunwind.c | 22 +++++++ tools/perf/util/dwarf-regs.c | 3 + 9 files changed, 197 insertions(+) create mode 100644 tools/perf/arch/mips/Makefile create mode 100644 tools/perf/arch/mips/include/dwarf-regs-table.h create mode 100644 tools/perf/arch/mips/include/perf_regs.h create mode 100644 tools/perf/arch/mips/util/Build create mode 100644 tools/perf/arch/mips/util/dwarf-regs.c create mode 100644 tools/perf/arch/mips/util/perf_regs.c create mode 100644 tools/perf/arch/mips/util/unwind-libunwind.c diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index ce8516e..e378add 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -87,6 +87,12 @@ ifeq ($(ARCH),s390) CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated endif +ifeq ($(ARCH),mips) + NO_PERF_REGS := 0 + CFLAGS += -I../../arch/mips/include/uapi -I../../arch/mips/include/generated/uapi + LIBUNWIND_LIBS = -lunwind -lunwind-mips +endif + ifeq ($(NO_PERF_REGS),0) $(call detected,CONFIG_PERF_REGS) endif diff --git a/tools/perf/arch/mips/Makefile b/tools/perf/arch/mips/Makefile new file mode 100644 index 0000000..6e1106f --- /dev/null +++ b/tools/perf/arch/mips/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 +ifndef NO_DWARF +PERF_HAVE_DWARF_REGS := 1 +endif diff --git a/tools/perf/arch/mips/include/dwarf-regs-table.h b/tools/perf/arch/mips/include/dwarf-regs-table.h new file mode 100644 index 0000000..5badbcd --- /dev/null +++ b/tools/perf/arch/mips/include/dwarf-regs-table.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * dwarf-regs-table.h : Mapping of DWARF debug register numbers into + * register names. + * + * Copyright (C) 2013 Cavium, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifdef DEFINE_DWARF_REGSTR_TABLE +#undef REG_DWARFNUM_NAME +#define REG_DWARFNUM_NAME(reg, idx) [idx] = "$" #reg +static const char * const mips_regstr_tbl[] = { + "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9", + "$10", "$11", "$12", "$13", "$14", "$15", "$16", "$17", "$18", "$19", + "$20", "$21", "$22", "$23", "$24", "$25", "$26", "$27", "$28", "%29", + "$30", "$31", + REG_DWARFNUM_NAME(hi, 64), + REG_DWARFNUM_NAME(lo, 65), +}; +#endif diff --git a/tools/perf/arch/mips/include/perf_regs.h b/tools/perf/arch/mips/include/perf_regs.h new file mode 100644 index 0000000..7a7908b --- /dev/null +++ b/tools/perf/arch/mips/include/perf_regs.h @@ -0,0 +1,84 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef ARCH_PERF_REGS_H +#define ARCH_PERF_REGS_H + +#include +#include +#include + +#define PERF_REGS_MAX PERF_REG_MIPS_MAX +#define PERF_REG_IP PERF_REG_MIPS_PC +#define PERF_REG_SP PERF_REG_MIPS_R29 + +#define PERF_REGS_MASK ((1ULL << PERF_REG_MIPS_MAX) - 1) + +static inline const char *perf_reg_name(int id) +{ + switch (id) { + case PERF_REG_MIPS_PC: + return "PC"; + case PERF_REG_MIPS_R1: + return "$1"; + case PERF_REG_MIPS_R2: + return "$2"; + case PERF_REG_MIPS_R3: + return "$3"; + case PERF_REG_MIPS_R4: + return "$4"; + case PERF_REG_MIPS_R5: + return "$5"; + case PERF_REG_MIPS_R6: + return "$6"; + case PERF_REG_MIPS_R7: + return "$7"; + case PERF_REG_MIPS_R8: + return "$8"; + case PERF_REG_MIPS_R9: + return "$9"; + case PERF_REG_MIPS_R10: + return "$10"; + case PERF_REG_MIPS_R11: + return "$11"; + case PERF_REG_MIPS_R12: + return "$12"; + case PERF_REG_MIPS_R13: + return "$13"; + case PERF_REG_MIPS_R14: + return "$14"; + case PERF_REG_MIPS_R15: + return "$15"; + case PERF_REG_MIPS_R16: + return "$16"; + case PERF_REG_MIPS_R17: + return "$17"; + case PERF_REG_MIPS_R18: + return "$18"; + case PERF_REG_MIPS_R19: + return "$19"; + case PERF_REG_MIPS_R20: + return "$20"; + case PERF_REG_MIPS_R21: + return "$21"; + case PERF_REG_MIPS_R22: + return "$22"; + case PERF_REG_MIPS_R23: + return "$23"; + case PERF_REG_MIPS_R24: + return "$24"; + case PERF_REG_MIPS_R25: + return "$25"; + case PERF_REG_MIPS_R28: + return "$28"; + case PERF_REG_MIPS_R29: + return "$29"; + case PERF_REG_MIPS_R30: + return "$30"; + case PERF_REG_MIPS_R31: + return "$31"; + default: + break; + } + return NULL; +} + +#endif /* ARCH_PERF_REGS_H */ diff --git a/tools/perf/arch/mips/util/Build b/tools/perf/arch/mips/util/Build new file mode 100644 index 0000000..51c8900 --- /dev/null +++ b/tools/perf/arch/mips/util/Build @@ -0,0 +1,3 @@ +perf-y += perf_regs.o +perf-$(CONFIG_DWARF) += dwarf-regs.o +perf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o diff --git a/tools/perf/arch/mips/util/dwarf-regs.c b/tools/perf/arch/mips/util/dwarf-regs.c new file mode 100644 index 0000000..25c13a9 --- /dev/null +++ b/tools/perf/arch/mips/util/dwarf-regs.c @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * dwarf-regs.c : Mapping of DWARF debug register numbers into register names. + * + * Copyright (C) 2013 Cavium, Inc. + * + * 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. + * + */ + +#include +#include + +static const char *mips_gpr_names[32] = { + "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9", + "$10", "$11", "$12", "$13", "$14", "$15", "$16", "$17", "$18", "$19", + "$20", "$21", "$22", "$23", "$24", "$25", "$26", "$27", "$28", "$29", + "$30", "$31" +}; + +const char *get_arch_regstr(unsigned int n) +{ + if (n < 32) + return mips_gpr_names[n]; + if (n == 64) + return "hi"; + if (n == 65) + return "lo"; + return NULL; +} diff --git a/tools/perf/arch/mips/util/perf_regs.c b/tools/perf/arch/mips/util/perf_regs.c new file mode 100644 index 0000000..2864e2e --- /dev/null +++ b/tools/perf/arch/mips/util/perf_regs.c @@ -0,0 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "../../util/perf_regs.h" + +const struct sample_reg sample_reg_masks[] = { + SMPL_REG_END +}; diff --git a/tools/perf/arch/mips/util/unwind-libunwind.c b/tools/perf/arch/mips/util/unwind-libunwind.c new file mode 100644 index 0000000..0d8c99c --- /dev/null +++ b/tools/perf/arch/mips/util/unwind-libunwind.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include "perf_regs.h" +#include "../../util/unwind.h" +#include "util/debug.h" + +int libunwind__arch_reg_id(int regnum) +{ + switch (regnum) { + case UNW_MIPS_R1 ... UNW_MIPS_R25: + return regnum - UNW_MIPS_R1 + PERF_REG_MIPS_R1; + case UNW_MIPS_R28 ... UNW_MIPS_R31: + return regnum - UNW_MIPS_R28 + PERF_REG_MIPS_R28; + case UNW_MIPS_PC: + return PERF_REG_MIPS_PC; + default: + pr_err("unwind: invalid reg id %d\n", regnum); + return -EINVAL; + } +} diff --git a/tools/perf/util/dwarf-regs.c b/tools/perf/util/dwarf-regs.c index 1b49ece..3fa4486 100644 --- a/tools/perf/util/dwarf-regs.c +++ b/tools/perf/util/dwarf-regs.c @@ -24,6 +24,7 @@ #include "../arch/s390/include/dwarf-regs-table.h" #include "../arch/sparc/include/dwarf-regs-table.h" #include "../arch/xtensa/include/dwarf-regs-table.h" +#include "../arch/mips/include/dwarf-regs-table.h" #define __get_dwarf_regstr(tbl, n) (((n) < ARRAY_SIZE(tbl)) ? (tbl)[(n)] : NULL) @@ -53,6 +54,8 @@ const char *get_dwarf_regstr(unsigned int n, unsigned int machine) return __get_dwarf_regstr(sparc_regstr_tbl, n); case EM_XTENSA: return __get_dwarf_regstr(xtensa_regstr_tbl, n); + case EM_MIPS: + return __get_dwarf_regstr(mips_regstr_tbl, n); default: pr_err("ELF MACHINE %x is not supported.\n", machine); } From patchwork Tue Dec 29 12:56:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 11992383 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 834CBC433E0 for ; Tue, 29 Dec 2020 12:57:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4273B207CF for ; Tue, 29 Dec 2020 12:57:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726504AbgL2M51 (ORCPT ); Tue, 29 Dec 2020 07:57:27 -0500 Received: from mail.loongson.cn ([114.242.206.163]:46488 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725979AbgL2M5V (ORCPT ); Tue, 29 Dec 2020 07:57:21 -0500 Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dx3zZhJ+tfy00HAA--.27S5; Tue, 29 Dec 2020 20:56:13 +0800 (CST) From: Tiezhu Yang To: Thomas Bogendoerfer , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Xuefeng Li Subject: [PATCH 3/3] perf tools: Generate mips syscalls_n64.c syscall table Date: Tue, 29 Dec 2020 20:56:01 +0800 Message-Id: <1609246561-5474-4-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1609246561-5474-1-git-send-email-yangtiezhu@loongson.cn> References: <1609246561-5474-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9Dx3zZhJ+tfy00HAA--.27S5 X-Coremail-Antispam: 1UD129KBjvAXoW3Kw17Kr43Xr17Zw1ktr45Awb_yoW8ArWDCo Z5Kr1DJF17GrW5G3ZI9FW8JrW3CrW7KFy7CrWvyw1FqFyjyFWavw45Aa4fXw13A34vyws5 JFW8WFyrZF48W3srn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73VFW2AGmfu7bjvjm3 AaLaJ3UjIYCTnIWjp_UUUOF7AC8VAFwI0_Wr0E3s1l1xkIjI8I6I8E6xAIw20EY4v20xva j40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7IE14v26r1rM28IrcIa0x kI8VCY1x0267AKxVW5JVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84AC jcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr 1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0D M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r106r15McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2 IY04v7MxkIecxEwVAFwVW5JwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8 JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1V AFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xII jxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4 A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU 0xZFpf9x0JUhBMNUUUUU= X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Grab a copy of arch/mips/kernel/syscalls/syscall_n64.tbl and use it to generate tools/perf/arch/mips/include/generated/asm/syscalls_n64.c file, this is similar with commit 1b700c997500 ("perf tools: Build syscall table .c header from kernel's syscall_64.tbl") Signed-off-by: Tiezhu Yang --- tools/perf/Makefile.config | 3 +- tools/perf/arch/mips/Makefile | 18 ++ tools/perf/arch/mips/entry/syscalls/mksyscalltbl | 32 ++ .../perf/arch/mips/entry/syscalls/syscall_n64.tbl | 358 +++++++++++++++++++++ tools/perf/check-headers.sh | 1 + tools/perf/util/syscalltbl.c | 4 + 6 files changed, 415 insertions(+), 1 deletion(-) create mode 100644 tools/perf/arch/mips/entry/syscalls/mksyscalltbl create mode 100644 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index e378add..3280366 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -32,7 +32,7 @@ ifneq ($(NO_SYSCALL_TABLE),1) NO_SYSCALL_TABLE := 0 endif else - ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390)) + ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips)) NO_SYSCALL_TABLE := 0 endif endif @@ -89,6 +89,7 @@ endif ifeq ($(ARCH),mips) NO_PERF_REGS := 0 + CFLAGS += -I$(OUTPUT)arch/mips/include/generated CFLAGS += -I../../arch/mips/include/uapi -I../../arch/mips/include/generated/uapi LIBUNWIND_LIBS = -lunwind -lunwind-mips endif diff --git a/tools/perf/arch/mips/Makefile b/tools/perf/arch/mips/Makefile index 6e1106f..8bc0907 100644 --- a/tools/perf/arch/mips/Makefile +++ b/tools/perf/arch/mips/Makefile @@ -2,3 +2,21 @@ ifndef NO_DWARF PERF_HAVE_DWARF_REGS := 1 endif + +# Syscall table generation for perf +out := $(OUTPUT)arch/mips/include/generated/asm +header := $(out)/syscalls_n64.c +sysprf := $(srctree)/tools/perf/arch/mips/entry/syscalls +sysdef := $(sysprf)/syscall_n64.tbl +systbl := $(sysprf)/mksyscalltbl + +# Create output directory if not already present +_dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)') + +$(header): $(sysdef) $(systbl) + $(Q)$(SHELL) '$(systbl)' $(sysdef) > $@ + +clean:: + $(call QUIET_CLEAN, mips) $(RM) $(header) + +archheaders: $(header) diff --git a/tools/perf/arch/mips/entry/syscalls/mksyscalltbl b/tools/perf/arch/mips/entry/syscalls/mksyscalltbl new file mode 100644 index 0000000..fb1f494 --- /dev/null +++ b/tools/perf/arch/mips/entry/syscalls/mksyscalltbl @@ -0,0 +1,32 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# Generate system call table for perf. Derived from +# s390 script. +# +# Author(s): Hendrik Brueckner +# Changed by: Tiezhu Yang + +SYSCALL_TBL=$1 + +if ! test -r $SYSCALL_TBL; then + echo "Could not read input file" >&2 + exit 1 +fi + +create_table() +{ + local max_nr nr abi sc discard + + echo 'static const char *syscalltbl_mips_n64[] = {' + while read nr abi sc discard; do + printf '\t[%d] = "%s",\n' $nr $sc + max_nr=$nr + done + echo '};' + echo "#define SYSCALLTBL_MIPS_N64_MAX_ID $max_nr" +} + +grep -E "^[[:digit:]]+[[:space:]]+(n64)" $SYSCALL_TBL \ + |sort -k1 -n \ + |create_table diff --git a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl new file mode 100644 index 0000000..9164969 --- /dev/null +++ b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl @@ -0,0 +1,358 @@ +# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note +# +# system call numbers and entry vectors for mips +# +# The format is: +# +# +# The is always "n64" for this file. +# +0 n64 read sys_read +1 n64 write sys_write +2 n64 open sys_open +3 n64 close sys_close +4 n64 stat sys_newstat +5 n64 fstat sys_newfstat +6 n64 lstat sys_newlstat +7 n64 poll sys_poll +8 n64 lseek sys_lseek +9 n64 mmap sys_mips_mmap +10 n64 mprotect sys_mprotect +11 n64 munmap sys_munmap +12 n64 brk sys_brk +13 n64 rt_sigaction sys_rt_sigaction +14 n64 rt_sigprocmask sys_rt_sigprocmask +15 n64 ioctl sys_ioctl +16 n64 pread64 sys_pread64 +17 n64 pwrite64 sys_pwrite64 +18 n64 readv sys_readv +19 n64 writev sys_writev +20 n64 access sys_access +21 n64 pipe sysm_pipe +22 n64 _newselect sys_select +23 n64 sched_yield sys_sched_yield +24 n64 mremap sys_mremap +25 n64 msync sys_msync +26 n64 mincore sys_mincore +27 n64 madvise sys_madvise +28 n64 shmget sys_shmget +29 n64 shmat sys_shmat +30 n64 shmctl sys_old_shmctl +31 n64 dup sys_dup +32 n64 dup2 sys_dup2 +33 n64 pause sys_pause +34 n64 nanosleep sys_nanosleep +35 n64 getitimer sys_getitimer +36 n64 setitimer sys_setitimer +37 n64 alarm sys_alarm +38 n64 getpid sys_getpid +39 n64 sendfile sys_sendfile64 +40 n64 socket sys_socket +41 n64 connect sys_connect +42 n64 accept sys_accept +43 n64 sendto sys_sendto +44 n64 recvfrom sys_recvfrom +45 n64 sendmsg sys_sendmsg +46 n64 recvmsg sys_recvmsg +47 n64 shutdown sys_shutdown +48 n64 bind sys_bind +49 n64 listen sys_listen +50 n64 getsockname sys_getsockname +51 n64 getpeername sys_getpeername +52 n64 socketpair sys_socketpair +53 n64 setsockopt sys_setsockopt +54 n64 getsockopt sys_getsockopt +55 n64 clone __sys_clone +56 n64 fork __sys_fork +57 n64 execve sys_execve +58 n64 exit sys_exit +59 n64 wait4 sys_wait4 +60 n64 kill sys_kill +61 n64 uname sys_newuname +62 n64 semget sys_semget +63 n64 semop sys_semop +64 n64 semctl sys_old_semctl +65 n64 shmdt sys_shmdt +66 n64 msgget sys_msgget +67 n64 msgsnd sys_msgsnd +68 n64 msgrcv sys_msgrcv +69 n64 msgctl sys_old_msgctl +70 n64 fcntl sys_fcntl +71 n64 flock sys_flock +72 n64 fsync sys_fsync +73 n64 fdatasync sys_fdatasync +74 n64 truncate sys_truncate +75 n64 ftruncate sys_ftruncate +76 n64 getdents sys_getdents +77 n64 getcwd sys_getcwd +78 n64 chdir sys_chdir +79 n64 fchdir sys_fchdir +80 n64 rename sys_rename +81 n64 mkdir sys_mkdir +82 n64 rmdir sys_rmdir +83 n64 creat sys_creat +84 n64 link sys_link +85 n64 unlink sys_unlink +86 n64 symlink sys_symlink +87 n64 readlink sys_readlink +88 n64 chmod sys_chmod +89 n64 fchmod sys_fchmod +90 n64 chown sys_chown +91 n64 fchown sys_fchown +92 n64 lchown sys_lchown +93 n64 umask sys_umask +94 n64 gettimeofday sys_gettimeofday +95 n64 getrlimit sys_getrlimit +96 n64 getrusage sys_getrusage +97 n64 sysinfo sys_sysinfo +98 n64 times sys_times +99 n64 ptrace sys_ptrace +100 n64 getuid sys_getuid +101 n64 syslog sys_syslog +102 n64 getgid sys_getgid +103 n64 setuid sys_setuid +104 n64 setgid sys_setgid +105 n64 geteuid sys_geteuid +106 n64 getegid sys_getegid +107 n64 setpgid sys_setpgid +108 n64 getppid sys_getppid +109 n64 getpgrp sys_getpgrp +110 n64 setsid sys_setsid +111 n64 setreuid sys_setreuid +112 n64 setregid sys_setregid +113 n64 getgroups sys_getgroups +114 n64 setgroups sys_setgroups +115 n64 setresuid sys_setresuid +116 n64 getresuid sys_getresuid +117 n64 setresgid sys_setresgid +118 n64 getresgid sys_getresgid +119 n64 getpgid sys_getpgid +120 n64 setfsuid sys_setfsuid +121 n64 setfsgid sys_setfsgid +122 n64 getsid sys_getsid +123 n64 capget sys_capget +124 n64 capset sys_capset +125 n64 rt_sigpending sys_rt_sigpending +126 n64 rt_sigtimedwait sys_rt_sigtimedwait +127 n64 rt_sigqueueinfo sys_rt_sigqueueinfo +128 n64 rt_sigsuspend sys_rt_sigsuspend +129 n64 sigaltstack sys_sigaltstack +130 n64 utime sys_utime +131 n64 mknod sys_mknod +132 n64 personality sys_personality +133 n64 ustat sys_ustat +134 n64 statfs sys_statfs +135 n64 fstatfs sys_fstatfs +136 n64 sysfs sys_sysfs +137 n64 getpriority sys_getpriority +138 n64 setpriority sys_setpriority +139 n64 sched_setparam sys_sched_setparam +140 n64 sched_getparam sys_sched_getparam +141 n64 sched_setscheduler sys_sched_setscheduler +142 n64 sched_getscheduler sys_sched_getscheduler +143 n64 sched_get_priority_max sys_sched_get_priority_max +144 n64 sched_get_priority_min sys_sched_get_priority_min +145 n64 sched_rr_get_interval sys_sched_rr_get_interval +146 n64 mlock sys_mlock +147 n64 munlock sys_munlock +148 n64 mlockall sys_mlockall +149 n64 munlockall sys_munlockall +150 n64 vhangup sys_vhangup +151 n64 pivot_root sys_pivot_root +152 n64 _sysctl sys_ni_syscall +153 n64 prctl sys_prctl +154 n64 adjtimex sys_adjtimex +155 n64 setrlimit sys_setrlimit +156 n64 chroot sys_chroot +157 n64 sync sys_sync +158 n64 acct sys_acct +159 n64 settimeofday sys_settimeofday +160 n64 mount sys_mount +161 n64 umount2 sys_umount +162 n64 swapon sys_swapon +163 n64 swapoff sys_swapoff +164 n64 reboot sys_reboot +165 n64 sethostname sys_sethostname +166 n64 setdomainname sys_setdomainname +167 n64 create_module sys_ni_syscall +168 n64 init_module sys_init_module +169 n64 delete_module sys_delete_module +170 n64 get_kernel_syms sys_ni_syscall +171 n64 query_module sys_ni_syscall +172 n64 quotactl sys_quotactl +173 n64 nfsservctl sys_ni_syscall +174 n64 getpmsg sys_ni_syscall +175 n64 putpmsg sys_ni_syscall +176 n64 afs_syscall sys_ni_syscall +# 177 reserved for security +177 n64 reserved177 sys_ni_syscall +178 n64 gettid sys_gettid +179 n64 readahead sys_readahead +180 n64 setxattr sys_setxattr +181 n64 lsetxattr sys_lsetxattr +182 n64 fsetxattr sys_fsetxattr +183 n64 getxattr sys_getxattr +184 n64 lgetxattr sys_lgetxattr +185 n64 fgetxattr sys_fgetxattr +186 n64 listxattr sys_listxattr +187 n64 llistxattr sys_llistxattr +188 n64 flistxattr sys_flistxattr +189 n64 removexattr sys_removexattr +190 n64 lremovexattr sys_lremovexattr +191 n64 fremovexattr sys_fremovexattr +192 n64 tkill sys_tkill +193 n64 reserved193 sys_ni_syscall +194 n64 futex sys_futex +195 n64 sched_setaffinity sys_sched_setaffinity +196 n64 sched_getaffinity sys_sched_getaffinity +197 n64 cacheflush sys_cacheflush +198 n64 cachectl sys_cachectl +199 n64 sysmips __sys_sysmips +200 n64 io_setup sys_io_setup +201 n64 io_destroy sys_io_destroy +202 n64 io_getevents sys_io_getevents +203 n64 io_submit sys_io_submit +204 n64 io_cancel sys_io_cancel +205 n64 exit_group sys_exit_group +206 n64 lookup_dcookie sys_lookup_dcookie +207 n64 epoll_create sys_epoll_create +208 n64 epoll_ctl sys_epoll_ctl +209 n64 epoll_wait sys_epoll_wait +210 n64 remap_file_pages sys_remap_file_pages +211 n64 rt_sigreturn sys_rt_sigreturn +212 n64 set_tid_address sys_set_tid_address +213 n64 restart_syscall sys_restart_syscall +214 n64 semtimedop sys_semtimedop +215 n64 fadvise64 sys_fadvise64_64 +216 n64 timer_create sys_timer_create +217 n64 timer_settime sys_timer_settime +218 n64 timer_gettime sys_timer_gettime +219 n64 timer_getoverrun sys_timer_getoverrun +220 n64 timer_delete sys_timer_delete +221 n64 clock_settime sys_clock_settime +222 n64 clock_gettime sys_clock_gettime +223 n64 clock_getres sys_clock_getres +224 n64 clock_nanosleep sys_clock_nanosleep +225 n64 tgkill sys_tgkill +226 n64 utimes sys_utimes +227 n64 mbind sys_mbind +228 n64 get_mempolicy sys_get_mempolicy +229 n64 set_mempolicy sys_set_mempolicy +230 n64 mq_open sys_mq_open +231 n64 mq_unlink sys_mq_unlink +232 n64 mq_timedsend sys_mq_timedsend +233 n64 mq_timedreceive sys_mq_timedreceive +234 n64 mq_notify sys_mq_notify +235 n64 mq_getsetattr sys_mq_getsetattr +236 n64 vserver sys_ni_syscall +237 n64 waitid sys_waitid +# 238 was sys_setaltroot +239 n64 add_key sys_add_key +240 n64 request_key sys_request_key +241 n64 keyctl sys_keyctl +242 n64 set_thread_area sys_set_thread_area +243 n64 inotify_init sys_inotify_init +244 n64 inotify_add_watch sys_inotify_add_watch +245 n64 inotify_rm_watch sys_inotify_rm_watch +246 n64 migrate_pages sys_migrate_pages +247 n64 openat sys_openat +248 n64 mkdirat sys_mkdirat +249 n64 mknodat sys_mknodat +250 n64 fchownat sys_fchownat +251 n64 futimesat sys_futimesat +252 n64 newfstatat sys_newfstatat +253 n64 unlinkat sys_unlinkat +254 n64 renameat sys_renameat +255 n64 linkat sys_linkat +256 n64 symlinkat sys_symlinkat +257 n64 readlinkat sys_readlinkat +258 n64 fchmodat sys_fchmodat +259 n64 faccessat sys_faccessat +260 n64 pselect6 sys_pselect6 +261 n64 ppoll sys_ppoll +262 n64 unshare sys_unshare +263 n64 splice sys_splice +264 n64 sync_file_range sys_sync_file_range +265 n64 tee sys_tee +266 n64 vmsplice sys_vmsplice +267 n64 move_pages sys_move_pages +268 n64 set_robust_list sys_set_robust_list +269 n64 get_robust_list sys_get_robust_list +270 n64 kexec_load sys_kexec_load +271 n64 getcpu sys_getcpu +272 n64 epoll_pwait sys_epoll_pwait +273 n64 ioprio_set sys_ioprio_set +274 n64 ioprio_get sys_ioprio_get +275 n64 utimensat sys_utimensat +276 n64 signalfd sys_signalfd +277 n64 timerfd sys_ni_syscall +278 n64 eventfd sys_eventfd +279 n64 fallocate sys_fallocate +280 n64 timerfd_create sys_timerfd_create +281 n64 timerfd_gettime sys_timerfd_gettime +282 n64 timerfd_settime sys_timerfd_settime +283 n64 signalfd4 sys_signalfd4 +284 n64 eventfd2 sys_eventfd2 +285 n64 epoll_create1 sys_epoll_create1 +286 n64 dup3 sys_dup3 +287 n64 pipe2 sys_pipe2 +288 n64 inotify_init1 sys_inotify_init1 +289 n64 preadv sys_preadv +290 n64 pwritev sys_pwritev +291 n64 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo +292 n64 perf_event_open sys_perf_event_open +293 n64 accept4 sys_accept4 +294 n64 recvmmsg sys_recvmmsg +295 n64 fanotify_init sys_fanotify_init +296 n64 fanotify_mark sys_fanotify_mark +297 n64 prlimit64 sys_prlimit64 +298 n64 name_to_handle_at sys_name_to_handle_at +299 n64 open_by_handle_at sys_open_by_handle_at +300 n64 clock_adjtime sys_clock_adjtime +301 n64 syncfs sys_syncfs +302 n64 sendmmsg sys_sendmmsg +303 n64 setns sys_setns +304 n64 process_vm_readv sys_process_vm_readv +305 n64 process_vm_writev sys_process_vm_writev +306 n64 kcmp sys_kcmp +307 n64 finit_module sys_finit_module +308 n64 getdents64 sys_getdents64 +309 n64 sched_setattr sys_sched_setattr +310 n64 sched_getattr sys_sched_getattr +311 n64 renameat2 sys_renameat2 +312 n64 seccomp sys_seccomp +313 n64 getrandom sys_getrandom +314 n64 memfd_create sys_memfd_create +315 n64 bpf sys_bpf +316 n64 execveat sys_execveat +317 n64 userfaultfd sys_userfaultfd +318 n64 membarrier sys_membarrier +319 n64 mlock2 sys_mlock2 +320 n64 copy_file_range sys_copy_file_range +321 n64 preadv2 sys_preadv2 +322 n64 pwritev2 sys_pwritev2 +323 n64 pkey_mprotect sys_pkey_mprotect +324 n64 pkey_alloc sys_pkey_alloc +325 n64 pkey_free sys_pkey_free +326 n64 statx sys_statx +327 n64 rseq sys_rseq +328 n64 io_pgetevents sys_io_pgetevents +# 329 through 423 are reserved to sync up with other architectures +424 n64 pidfd_send_signal sys_pidfd_send_signal +425 n64 io_uring_setup sys_io_uring_setup +426 n64 io_uring_enter sys_io_uring_enter +427 n64 io_uring_register sys_io_uring_register +428 n64 open_tree sys_open_tree +429 n64 move_mount sys_move_mount +430 n64 fsopen sys_fsopen +431 n64 fsconfig sys_fsconfig +432 n64 fsmount sys_fsmount +433 n64 fspick sys_fspick +434 n64 pidfd_open sys_pidfd_open +435 n64 clone3 __sys_clone3 +436 n64 close_range sys_close_range +437 n64 openat2 sys_openat2 +438 n64 pidfd_getfd sys_pidfd_getfd +439 n64 faccessat2 sys_faccessat2 +440 n64 process_madvise sys_process_madvise +441 n64 epoll_pwait2 sys_epoll_pwait2 diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh index dded93a..39eada9 100755 --- a/tools/perf/check-headers.sh +++ b/tools/perf/check-headers.sh @@ -146,6 +146,7 @@ check arch/x86/lib/insn.c '-I "^#include [\"<]\(../include/\)*asm/in check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl +check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl for i in $BEAUTY_FILES; do beauty_check $i -B diff --git a/tools/perf/util/syscalltbl.c b/tools/perf/util/syscalltbl.c index 03bd99d..a2e9068 100644 --- a/tools/perf/util/syscalltbl.c +++ b/tools/perf/util/syscalltbl.c @@ -34,6 +34,10 @@ static const char **syscalltbl_native = syscalltbl_powerpc_32; #include const int syscalltbl_native_max_id = SYSCALLTBL_ARM64_MAX_ID; static const char **syscalltbl_native = syscalltbl_arm64; +#elif defined(__mips__) +#include +const int syscalltbl_native_max_id = SYSCALLTBL_MIPS_N64_MAX_ID; +static const char **syscalltbl_native = syscalltbl_mips_n64; #endif struct syscall {