linux-kernel - Re: [PATCH v2 0/2] perf: arm64: Tools support for Dwarf unwinding through SVE functions

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Message-ID: <995099d3-a170-69dc-d12e-c9b2e4753f35@arm.com>
Date:   Fri, 20 May 2022 12:46:24 +0100
From:   German Gomez <german.gomez@....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,
        broonie@...nel.org, leo.yan@...aro.org, mathieu.poirier@...aro.org,
        john.garry@...wei.com, Will Deacon <will@...nel.org>,
        Mike Leach <mike.leach@...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@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 0/2] perf: arm64: Tools support for Dwarf unwinding
 through SVE functions


On 17/05/2022 15:58, Arnaldo Carvalho de Melo wrote:
> Em Tue, May 17, 2022 at 11:20:01AM +0100, James Clark escreveu:
>> Changes since v1:
>>
>>   * Split patchset into kernel side and Perf tool changes
> Thanks, now I'll wait for the kernel side to be merged.
>
> - Arnaldo
>  

Hi,

I think we also need to fix the below import (it's trying to import the
perf_regs.h from the kernel, not the tools/ dir).

diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c
index 15f60fd09424..014d82159656 100644
--- a/tools/perf/util/libunwind/arm64.c
+++ b/tools/perf/util/libunwind/arm64.c
@@ -24,7 +24,7 @@
 #include "unwind.h"
 #include "libunwind-aarch64.h"
 #define perf_event_arm_regs perf_event_arm64_regs
-#include <../../../../arch/arm64/include/uapi/asm/perf_regs.h>
+#include <../../../arch/arm64/include/uapi/asm/perf_regs.h>
 #undef perf_event_arm_regs
 #include "../../arch/arm64/util/unwind-libunwind.c"