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Message-ID: <9bf59035-1a2e-1593-0f0c-7cf06160ee34@arm.com>
Date: Mon, 22 Mar 2021 11:57:13 +0000
From: Alexandre Truong <alexandre.truong@....com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
James Clark <james.clark@....com>
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
John Garry <john.garry@...wei.com>,
Will Deacon <will@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Leo Yan <leo.yan@...aro.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Kemeng Shi <shikemeng@...wei.com>,
Ian Rogers <irogers@...gle.com>,
Andi Kleen <ak@...ux.intel.com>,
Kan Liang <kan.liang@...ux.intel.com>,
Jin Yao <yao.jin@...ux.intel.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Suzuki K Poulose <suzuki.poulose@....com>,
Al Grant <al.grant@....com>,
Wilco Dijkstra <wilco.dijkstra@....com>
Subject: Re: [PATCH RESEND WITH CCs v3 4/4] perf tools: determine if LR is the
return address
Hi Arnaldo,
Thanks for your reply.
I profiled a few applications and here are the results.
---------------------------------------------------------------------------------------------------------------
| | | |
App | Before the patch | With the patch (% of increase) | if only LR is recorded (% of increase) |
| | | |
---------------------------------------------------------------------------------------------------------------
| | | |
firefox | nb of samples: 834k | nb of samples: 685k (+70%) | nb of samples: 671k (+10%) |
| size: 101 MB | size: 141 MB | size: 90 MB |
---------------------------------------------------------------------------------------------------------------
| | | |
htop | nb of samples: 500k | nb of samples: 443k (+71%) | nb of samples: 504k (+7%) |
| size: 69 MB | size: 105 MB | size: 75 MB |
---------------------------------------------------------------------------------------------------------------
| | | |
top | nb of samples: 500k | nb of samples: 521k (+70%) | nb of samples: 481k (+7%) |
| size: 69 MB | size: 122 MB | size: 71 MB |
---------------------------------------------------------------------------------------------------------------
| | | |
thunderbird | nb of samples: 266k | nb of samples: 271k (+43%) | nb of samples: 269k (+5%) |
| size: 31 MB | size: 45 MB | size: 33 MB |
---------------------------------------------------------------------------------------------------------------
What do you think of these results ?
Should there be a selectable mode specified in .perfconfig ?
I will investigate in reducing the size of the file as well. As, we only need the link register in theory.
Also for the compilation on different platforms
What do you think of this fix ?
diff --git a/tools/arch/arm64/include/uapi/asm/perf_regs.h b/tools/arch/arm64/include/uapi/asm/perf_regs.h
index d54daafa89e3..15b6805202c1 100644
--- a/tools/arch/arm64/include/uapi/asm/perf_regs.h
+++ b/tools/arch/arm64/include/uapi/asm/perf_regs.h
@@ -2,7 +2,7 @@
#ifndef _ASM_ARM64_PERF_REGS_H
#define _ASM_ARM64_PERF_REGS_H
-enum perf_event_arm_regs {
+enum perf_event_arm64_regs {
PERF_REG_ARM64_X0,
PERF_REG_ARM64_X1,
PERF_REG_ARM64_X2,
diff --git a/tools/perf/util/arm-frame-pointer-unwind-support.c b/tools/perf/util/arm-frame-pointer-unwind-support.c
index 964efd08e72e..0104477a762a 100644
--- a/tools/perf/util/arm-frame-pointer-unwind-support.c
+++ b/tools/perf/util/arm-frame-pointer-unwind-support.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
#include "../arch/arm64/include/uapi/asm/perf_regs.h"
-#include "arch/arm64/include/perf_regs.h"
#include "event.h"
#include "arm-frame-pointer-unwind-support.h"
#include "callchain.h"
@@ -13,8 +12,9 @@ struct entries {
static bool get_leaf_frame_caller_enabled(struct perf_sample *sample)
{
+ unsigned long long arm64_regs_mask = ((1ULL << PERF_REG_ARM64_MAX) - 1);
return callchain_param.record_mode == CALLCHAIN_FP && sample->user_regs.regs
- && sample->user_regs.mask == PERF_REGS_MASK;
+ && sample->user_regs.mask == arm64_regs_mask;
}
Regards,
Alexandre
On 3/6/21 7:10 PM, Arnaldo Carvalho de Melo wrote:
> Em Sat, Mar 06, 2021 at 09:55:32AM -0300, Arnaldo Carvalho de Melo escreveu:
>> Em Fri, Mar 05, 2021 at 10:54:03AM +0200, James Clark escreveu:
>>> I've tested this patchset on a few different applications and have seen it significantly improve
>>> quality of frame pointer stacks on aarch64. For example with GDB 10 and default build options,
>>> 'bfd_calc_gnu_debuglink_crc32' is a leaf function, and its caller 'gdb_bfd_crc' is ommitted,
>>> but with the patchset it is included. I've also confirmed that this is correct from looking at
>>> the source code.
>>>
>>> Before:
>>>
>>> # Children Self Command Shared Object Symbol
>>> # ........ ........ ............... .......................... ...........
>>> #
>>> 34.55% 0.00% gdb-100 gdb-100 [.] _start
>>> 0.78%
>>> _start
>>> __libc_start_main
>>> main
>>> gdb_main
>>> captured_command_loop
>>> gdb_do_one_event
>>> check_async_event_handlers
>>> fetch_inferior_event
>>> inferior_event_handler
>>> do_all_inferior_continuations
>>> attach_post_wait
>>> post_create_inferior
>>> svr4_solib_create_inferior_hook
>>> solib_add
>>> solib_read_symbols
>>> symbol_file_add_with_addrs
>>> read_symbols
>>> elf_symfile_read
>>> find_separate_debug_file_by_debuglink[abi:cxx11]
>>> find_separate_debug_file
>>> separate_debug_file_exists
>>> gdb_bfd_crc
>>> bfd_calc_gnu_debuglink_crc32
>>>
>>> After:
>>>
>>> # Children Self Command Shared Object Symbol
>>> # ........ ........ ............... .......................... ...........
>>> #
>>> 34.55% 0.00% gdb-100 gdb-100 [.] _start
>>> 0.78%
>>> _start
>>> __libc_start_main
>>> main
>>> gdb_main
>>> captured_command_loop
>>> gdb_do_one_event
>>> check_async_event_handlers
>>> fetch_inferior_event
>>> inferior_event_handler
>>> do_all_inferior_continuations
>>> attach_post_wait
>>> post_create_inferior
>>> svr4_solib_create_inferior_hook
>>> solib_add
>>> solib_read_symbols
>>> symbol_file_add_with_addrs
>>> read_symbols
>>> elf_symfile_read
>>> find_separate_debug_file_by_debuglink[abi:cxx11]
>>> find_separate_debug_file
>>> separate_debug_file_exists
>>> get_file_crc <--------------------- leaf frame caller added
>>> bfd_calc_gnu_debuglink_crc32
>>>
>>> There is a question about whether the overhead of recording all the registers is acceptable, for
>>> filesize and time. We could make it a manual step, at the cost of not showing better frame pointer
>>> stacks by default.
>>
>> Can someone quantify this, i.e. how much space per perf.data for a
>> typical scenario? But anyway, I'm applying it as is now, we can change
>> it if needed, its not like files with the extra registers won't be
>> valid if/when we decide not to collect it by default in the future.
>>
>> If we decide to make this selectable, we should have it as a .perfconfig
>> knob as well, so that one can set it and change the default, etc.
>
>>> Tested-by: James Clark <james.clark@....com>
>
>
> This is unconditionally asking for asm/perf_regs.h and it is not available
> everywhere, so I think this has to be abstracted away, maybe using a weak
> function that arm provides a replacement for?
>
> A:Humm
>
> +++ b/tools/perf/util/Build
> @@ -1,3 +1,4 @@
> +perf-y += arm-frame-pointer-unwind-support.o
>
> Is this for doing cross-platform analysis? I.e. record a perf.data file
> on arm64 and then do a perf-report on it on a x86_64 machine? Yeah, that
> is expected to work, but then:
>
> +++ b/tools/perf/util/arm-frame-pointer-unwind-support.c
> @@ -0,0 +1,44 @@
> +// SPDX-License-Identifier: GPL-2.0
> +#include "../arch/arm64/include/uapi/asm/perf_regs.h"
> +#include "arch/arm64/include/perf_regs.h"
>
>
> [acme@...e perf]$ head -25 tools/perf/arch/arm64/include/perf_regs.h
> /* SPDX-License-Identifier: GPL-2.0 */
> #ifndef ARCH_PERF_REGS_H
> #define ARCH_PERF_REGS_H
>
> #include <stdlib.h>
> #include <linux/types.h>
> #include <asm/perf_regs.h>
>
> void perf_regs_load(u64 *regs);
>
> #define PERF_REGS_MASK ((1ULL << PERF_REG_ARM64_MAX) - 1)
> #define PERF_REGS_MAX PERF_REG_ARM64_MAX
> #define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_64
>
> #define PERF_REG_IP PERF_REG_ARM64_PC
> #define PERF_REG_SP PERF_REG_ARM64_SP
>
> static inline const char *__perf_reg_name(int id)
> {
> switch (id) {
> case PERF_REG_ARM64_X0:
> return "x0";
> case PERF_REG_ARM64_X1:
> return "x1";
> case PERF_REG_ARM64_X2:
> [acme@...e perf]$
>
> Won't this get the wrong file when cross-building? See below.
>
> - Arnaldo
>
> [perfbuilder@...e ~]$ time dm
> Sat Mar 6 12:02:01 PM -03 2021
> # export PERF_TARBALL=http://192.168.86.5/perf/perf-5.11.0.tar.xz
> # dm
> 1 78.76 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0 , clang version 3.8.0 (tags/RELEASE_380/final)
> 2 79.07 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822 , clang version 3.8.1 (tags/RELEASE_381/final)
> 3 82.68 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0 , clang version 4.0.0 (tags/RELEASE_400/final)
> 4 88.57 alpine:3.7 : Ok gcc (Alpine 6.4.0) 6.4.0 , Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
> 5 89.47 alpine:3.8 : Ok gcc (Alpine 6.4.0) 6.4.0 , Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
> 6 93.63 alpine:3.9 : Ok gcc (Alpine 8.3.0) 8.3.0 , Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
> 7 125.41 alpine:3.10 : Ok gcc (Alpine 8.3.0) 8.3.0 , Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
> 8 142.89 alpine:3.11 : Ok gcc (Alpine 9.3.0) 9.3.0 , Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
> 9 126.52 alpine:3.12 : Ok gcc (Alpine 9.3.0) 9.3.0 , Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
> 10 135.80 alpine:3.13 : Ok gcc (Alpine 10.2.1_pre1) 10.2.1 20201203 , Alpine clang version 10.0.1
> 11 134.19 alpine:edge : Ok gcc (Alpine 10.2.1_pre1) 10.2.1 20201203 , Alpine clang version 10.0.1
> 12 78.12 alt:p8 : Ok x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1) , clang version 3.8.0 (tags/RELEASE_380/final)
> 13 92.57 alt:p9 : Ok x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1) , clang version 10.0.0
> 14 93.72 alt:sisyphus : Ok x86_64-alt-linux-gcc (GCC) 10.2.1 20201125 (ALT Sisyphus 10.2.1-alt2) , clang version 10.0.1
> 15 75.10 amazonlinux:1 : Ok gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2) , clang version 3.6.2 (tags/RELEASE_362/final)
> 16 116.14 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-12) , clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
> 17 10.26 android-ndk:r12b-arm : FAIL gcc version 4.9.x 20150123 (prerelease) (GCC)
> from util/arm-frame-pointer-unwind-support.c:3:
> /git/linux/tools/arch/arm/include/uapi/asm/perf_regs.h:5:6: error: nested redefinition of 'enum perf_event_arm_regs'
> enum perf_event_arm_regs {
> ^
> /git/linux/tools/arch/arm/include/uapi/asm/perf_regs.h:5:6: error: redeclaration of 'enum perf_event_arm_regs'
> In file included from util/arm-frame-pointer-unwind-support.c:2:0:
> /git/linux/tools/include/../arch/arm64/include/uapi/asm/perf_regs.h:5:6: note: originally defined here
> enum perf_event_arm_regs {
> ^
> make[3]: *** [/git/linux/tools/build/Makefile.build:139: util] Error 2
> 18 10.71 android-ndk:r15c-arm : FAIL gcc version 4.9.x 20150123 (prerelease) (GCC)
> from util/arm-frame-pointer-unwind-support.c:3:
> /git/linux/tools/arch/arm/include/uapi/asm/perf_regs.h:5:6: error: nested redefinition of 'enum perf_event_arm_regs'
> enum perf_event_arm_regs {
> ^
> /git/linux/tools/arch/arm/include/uapi/asm/perf_regs.h:5:6: error: redeclaration of 'enum perf_event_arm_regs'
> In file included from util/arm-frame-pointer-unwind-support.c:2:0:
> /git/linux/tools/include/../arch/arm64/include/uapi/asm/perf_regs.h:5:6: note: originally defined here
> enum perf_event_arm_regs {
> ^
> 19 28.97 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
> 20 34.56 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
> 21 110.26 centos:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5) , clang version 10.0.1 (Red Hat 10.0.1-1.module_el8.3.0+467+cb298d5b)
> 22 67.12 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 10.2.1 20201217 releases/gcc-10.2.0-643-g7cbb07d2fc , clang version 10.0.1
> 23 87.08 debian:8 : Ok gcc (Debian 4.9.2-10+deb8u2) 4.9.2 , Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
> 24 92.73 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516 , clang version 3.8.1-24 (tags/RELEASE_381/final)
> 25 86.91 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0 , clang version 7.0.1-8+deb10u2 (tags/RELEASE_701/final)
> 26 86.13 debian:experimental : Ok gcc (Debian 10.2.1-6) 10.2.1 20210110 , Debian clang version 11.0.1-2
> 27 36.91 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110
> 28 9.08 debian:experimental-x-mips : FAIL gcc version 10.2.1 20201224 (Debian 10.2.1-3)
> from builtin-diff.c:12:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> 29 33.76 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 10.2.1-3) 10.2.1 20201224
> 30 12.74 debian:experimental-x-mipsel : FAIL gcc version 10.2.1 20201224 (Debian 10.2.1-3)
> from builtin-diff.c:12:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from util/branch.h:15,
> from util/callchain.h:8,
> from builtin-record.c:16:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from util/session.h:6,
> from builtin-buildid-list.c:17:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from util/thread.h:16,
> from builtin-sched.c:11:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from builtin-top.c:31:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from util/session.h:6,
> from builtin-evlist.c:16:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from util/session.h:6,
> from builtin-buildid-cache.c:24:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from builtin-stat.c:49:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from util/branch.h:15,
> from builtin-report.c:24:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from builtin-annotate.c:24:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> In file included from util/perf_regs.h:30,
> from util/event.h:15,
> from util/thread.h:16,
> from builtin-timechart.c:24:
> /git/linux/tools/perf/arch/mips/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> 31 32.64 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
> 32 35.41 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6) , clang version 3.5.0 (tags/RELEASE_350/final)
> 33 77.83 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6) , clang version 3.7.0 (tags/RELEASE_370/final)
> 34 96.28 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1) , clang version 3.8.1 (tags/RELEASE_381/final)
> 35 10.80 fedora:24-x-ARC-uClibc : FAIL gcc version 7.1.1 20170710 (ARCompact ISA Linux uClibc toolchain 2017.09-rc2)
> In file included from util/arm-frame-pointer-unwind-support.c:3:0:
> /git/linux/tools/perf/arch/arm64/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> #include <asm/perf_regs.h>
> ^~~~~~~~~~~~~~~~~
> compilation terminated.
> /git/linux/tools/build/Makefile.build:139: recipe for target 'util' failed
> make[3]: *** [util] Error 2
> 36 98.38 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1) , clang version 3.9.1 (tags/RELEASE_391/final)
> 37 111.11 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2) , clang version 4.0.1 (tags/RELEASE_401/final)
> 38 111.55 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6) , clang version 5.0.2 (tags/RELEASE_502/final)
> 39 127.99 fedora:28 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2) , clang version 6.0.1 (tags/RELEASE_601/final)
> 40 136.36 fedora:29 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2) , clang version 7.0.1 (Fedora 7.0.1-6.fc29)
> 41 139.67 fedora:30 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2) , clang version 8.0.0 (Fedora 8.0.0-3.fc30)
> 42 10.57 fedora:30-x-ARC-uClibc : FAIL gcc version 8.3.1 20190225 (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1)
> In file included from util/arm-frame-pointer-unwind-support.c:3:
> /git/linux/tools/perf/arch/arm64/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> #include <asm/perf_regs.h>
> ^~~~~~~~~~~~~~~~~
> compilation terminated.
> make[3]: *** [/git/linux/tools/build/Makefile.build:139: util] Error 2
> 43 136.09 fedora:31 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2) , clang version 9.0.1 (Fedora 9.0.1-4.fc31)
> 44 112.14 fedora:32 : Ok gcc (GCC) 10.2.1 20201125 (Red Hat 10.2.1-9) , clang version 10.0.1 (Fedora 10.0.1-3.fc32)
> 45 111.28 fedora:33 : Ok gcc (GCC) 10.2.1 20201125 (Red Hat 10.2.1-9) , clang version 11.0.0 (Fedora 11.0.0-2.fc33)
> 46 116.62 fedora:34 : Ok gcc (GCC) 11.0.0 20210225 (Red Hat 11.0.0-0) , clang version 12.0.0 (Fedora 12.0.0-0.1.rc1.fc34)
> 47 117.53 fedora:rawhide : Ok gcc (GCC) 11.0.0 20210210 (Red Hat 11.0.0-0) , clang version 12.0.0 (Fedora 12.0.0-0.1.rc1.fc35)
> 48 38.03 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 9.3.0-r1 p3) 9.3.0
> 49 78.35 mageia:5 : Ok gcc (GCC) 4.9.2 , clang version 3.5.2 (tags/RELEASE_352/final)
> 50 97.37 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0 , clang version 3.9.1 (tags/RELEASE_391/final)
> 51 116.36 manjaro:latest : Ok gcc (GCC) 10.2.0 , clang version 10.0.1
> 52 246.83 openmandriva:cooker : Ok gcc (GCC) 10.2.0 20200723 (OpenMandriva) , OpenMandriva 11.0.0-1 clang version 11.0.0 (/builddir/build/BUILD/llvm-project-llvmorg-11.0.0/clang 63e22714ac938c6b537bd958f70680d3331a2030)
> 53 134.08 opensuse:15.0 : Ok gcc (SUSE Linux) 7.4.1 20190905 [gcc-7-branch revision 275407] , clang version 5.0.1 (tags/RELEASE_501/final 312548)
> 54 142.32 opensuse:15.1 : Ok gcc (SUSE Linux) 7.5.0 , clang version 7.0.1 (tags/RELEASE_701/final 349238)
> 55 133.68 opensuse:15.2 : Ok gcc (SUSE Linux) 7.5.0 , clang version 9.0.1
> 56 146.85 opensuse:15.3 : Ok gcc (SUSE Linux) 7.5.0 , clang version 7.0.1 (tags/RELEASE_701/final 349238)
> 57 136.96 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5 , clang version 3.8.0 (tags/RELEASE_380/final 262553)
> 58 122.69 opensuse:tumbleweed : Ok gcc (SUSE Linux) 10.2.1 20200825 [revision c0746a1beb1ba073c7981eb09f55b3d993b32e5c] , clang version 10.0.1
> 59 28.36 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
> 60 35.22 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44.0.3)
> 61 109.60 oraclelinux:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5.0.1) , clang version 10.0.1 (Red Hat 10.0.1-1.0.1.module+el8.3.0+7827+89335dbf)
> 62 29.20 ubuntu:12.04 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 , Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
> 63 33.46 ubuntu:14.04 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
> 64 93.53 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609 , clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
> 65 11.70 ubuntu:16.04-x-arm : FAIL gcc version 5.4.0 20160609 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9)
> from util/arm-frame-pointer-unwind-support.c:3:
> /git/linux/tools/arch/arm/include/uapi/asm/perf_regs.h:5:6: error: nested redefinition of 'enum perf_event_arm_regs'
> enum perf_event_arm_regs {
> ^
> /git/linux/tools/arch/arm/include/uapi/asm/perf_regs.h:5:6: error: redeclaration of 'enum perf_event_arm_regs'
> In file included from util/arm-frame-pointer-unwind-support.c:2:0:
> /git/linux/tools/include/../arch/arm64/include/uapi/asm/perf_regs.h:5:6: note: originally defined here
> enum perf_event_arm_regs {
> ^
> /git/linux/tools/build/Makefile.build:139: recipe for target 'util' failed
> make[3]: *** [util] Error 2
> 66 28.74 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 67 27.61 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 68 28.82 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 69 28.16 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 70 27.96 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
> 71 101.40 ubuntu:18.04 : Ok gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0 , clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
> 72 11.69 ubuntu:18.04-x-arm : FAIL gcc version 7.5.0 (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04)
> from util/arm-frame-pointer-unwind-support.c:3:
> /git/linux/tools/arch/arm/include/uapi/asm/perf_regs.h:5:6: error: nested redefinition of 'enum perf_event_arm_regs'
> enum perf_event_arm_regs {
> ^~~~~~~~~~~~~~~~~~~
> /git/linux/tools/arch/arm/include/uapi/asm/perf_regs.h:5:6: error: redeclaration of 'enum perf_event_arm_regs'
> In file included from util/arm-frame-pointer-unwind-support.c:2:0:
> /git/linux/tools/include/../arch/arm64/include/uapi/asm/perf_regs.h:5:6: note: originally defined here
> enum perf_event_arm_regs {
> ^~~~~~~~~~~~~~~~~~~
> /git/linux/tools/build/Makefile.build:139: recipe for target 'util' failed
> make[3]: *** [util] Error 2
> 73 29.62 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
> 74 10.74 ubuntu:18.04-x-m68k : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
> In file included from util/arm-frame-pointer-unwind-support.c:3:0:
> /git/linux/tools/perf/arch/arm64/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> #include <asm/perf_regs.h>
> ^~~~~~~~~~~~~~~~~
> compilation terminated.
> /git/linux/tools/build/Makefile.build:139: recipe for target 'util' failed
> make[3]: *** [util] Error 2
> 75 29.37 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> 76 32.06 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> 77 31.37 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> 78 11.66 ubuntu:18.04-x-riscv64 : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
> In file included from util/arm-frame-pointer-unwind-support.c:3:0:
> /git/linux/tools/perf/arch/arm64/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> #include <asm/perf_regs.h>
> ^~~~~~~~~~~~~~~~~
> compilation terminated.
> /git/linux/tools/build/Makefile.build:139: recipe for target 'util' failed
> make[3]: *** [util] Error 2
> 79 26.84 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> 80 11.50 ubuntu:18.04-x-sh4 : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
> In file included from util/arm-frame-pointer-unwind-support.c:3:0:
> /git/linux/tools/perf/arch/arm64/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> #include <asm/perf_regs.h>
> ^~~~~~~~~~~~~~~~~
> compilation terminated.
> /git/linux/tools/build/Makefile.build:139: recipe for target 'util' failed
> make[3]: *** [util] Error 2
> 81 10.62 ubuntu:18.04-x-sparc64 : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
> In file included from util/arm-frame-pointer-unwind-support.c:3:0:
> /git/linux/tools/perf/arch/arm64/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> #include <asm/perf_regs.h>
> ^~~~~~~~~~~~~~~~~
> compilation terminated.
> /git/linux/tools/build/Makefile.build:139: recipe for target 'util' failed
> make[3]: *** [util] Error 2
> 82 80.18 ubuntu:19.10 : Ok gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008 , clang version 8.0.1-3build1 (tags/RELEASE_801/final)
> 83 11.44 ubuntu:19.10-x-alpha : FAIL gcc version 9.2.1 20191008 (Ubuntu 9.2.1-9ubuntu1)
> In file included from util/arm-frame-pointer-unwind-support.c:3:
> /git/linux/tools/perf/arch/arm64/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> make[3]: *** [/git/linux/tools/build/Makefile.build:139: util] Error 2
> 84 11.67 ubuntu:19.10-x-hppa : FAIL gcc version 9.2.1 20191008 (Ubuntu 9.2.1-9ubuntu1)
> In file included from util/arm-frame-pointer-unwind-support.c:3:
> /git/linux/tools/perf/arch/arm64/include/perf_regs.h:7:10: fatal error: asm/perf_regs.h: No such file or directory
> 7 | #include <asm/perf_regs.h>
> | ^~~~~~~~~~~~~~~~~
> compilation terminated.
> make[3]: *** [/git/linux/tools/build/Makefile.build:139: util] Error 2
> 85 83.72 ubuntu:20.04 : Ok gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0 , clang version 10.0.0-4ubuntu1
> 86 34.23 ubuntu:20.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 10.2.0-5ubuntu1~20.04) 10.2.0
> 87 83.44 ubuntu:20.10 : Ok gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0 , Ubuntu clang version 11.0.0-2
> 88 79.47 ubuntu:21.04 : Ok gcc (Ubuntu 10.2.1-6ubuntu1) 10.2.1 20210110 , Ubuntu clang version 11.0.1-2
> 89 6489
>
> real 109m25.234s
> user 1m34.076s
> sys 0m55.476s
> [perfbuilder@...e ~]$
>
>
>
>
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