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Date:   Fri, 26 May 2023 11:33:50 -0700
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Subject: [PATCH v2 05/16] perf trace beauty: Make MSR arrays const
From:   Ian Rogers <irogers@google.com>
To:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Ian Rogers <irogers@google.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        "Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
        "Steven Rostedt (Google)" <rostedt@goodmis.org>,
        Ross Zwisler <zwisler@chromium.org>,
        Leo Yan <leo.yan@linaro.org>,
        Tiezhu Yang <yangtiezhu@loongson.cn>,
        Yang Jihong <yangjihong1@huawei.com>,
        Andi Kleen <ak@linux.intel.com>,
        Kan Liang <kan.liang@linux.intel.com>,
        Ravi Bangoria <ravi.bangoria@amd.com>,
        Sean Christopherson <seanjc@google.com>,
        K Prateek Nayak <kprateek.nayak@amd.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

Allows the movement of 46,072 bytes from .data to .data.rel.ro.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/trace/beauty/beauty.h               | 2 +-
 tools/perf/trace/beauty/tracepoints/x86_msr.sh | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h
index 4c59edddd6a8..3d12bf0f6d07 100644
--- a/tools/perf/trace/beauty/beauty.h
+++ b/tools/perf/trace/beauty/beauty.h
@@ -11,7 +11,7 @@ struct strarray {
 	u64	    offset;
 	int	    nr_entries;
 	const char *prefix;
-	const char **entries;
+	const char * const *entries;
 };
 
 #define DEFINE_STRARRAY(array, _prefix) struct strarray strarray__##array = { \
diff --git a/tools/perf/trace/beauty/tracepoints/x86_msr.sh b/tools/perf/trace/beauty/tracepoints/x86_msr.sh
index 0078689963e0..fa3c4418e856 100755
--- a/tools/perf/trace/beauty/tracepoints/x86_msr.sh
+++ b/tools/perf/trace/beauty/tracepoints/x86_msr.sh
@@ -13,7 +13,7 @@ x86_msr_index=${arch_x86_header_dir}/msr-index.h
 # Just the ones starting with 0x00000 so as to have a simple
 # array.
 
-printf "static const char *x86_MSRs[] = {\n"
+printf "static const char * const x86_MSRs[] = {\n"
 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:alnum:]_]+)[[:space:]]+(0x00000[[:xdigit:]]+)[[:space:]]*.*'
 grep -E $regex ${x86_msr_index} | grep -E -v 'MSR_(ATOM|P[46]|IA32_(TSC_DEADLINE|UCODE_REV)|IDT_FCR4)' | \
 	sed -r "s/$regex/\2 \1/g" | sort -n | \
@@ -24,7 +24,7 @@ printf "};\n\n"
 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:alnum:]_]+)[[:space:]]+(0xc0000[[:xdigit:]]+)[[:space:]]*.*'
 printf "#define x86_64_specific_MSRs_offset "
 grep -E $regex ${x86_msr_index} | sed -r "s/$regex/\2/g" | sort -n | head -1
-printf "static const char *x86_64_specific_MSRs[] = {\n"
+printf "static const char * const x86_64_specific_MSRs[] = {\n"
 grep -E $regex ${x86_msr_index} | \
 	sed -r "s/$regex/\2 \1/g" | grep -E -vw 'K6_WHCR' | sort -n | \
 	xargs printf "\t[%s - x86_64_specific_MSRs_offset] = \"%s\",\n"
@@ -33,7 +33,7 @@ printf "};\n\n"
 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MSR_([[:alnum:]][[:alnum:]_]+)[[:space:]]+(0xc0010[[:xdigit:]]+)[[:space:]]*.*'
 printf "#define x86_AMD_V_KVM_MSRs_offset "
 grep -E $regex ${x86_msr_index} | sed -r "s/$regex/\2/g" | sort -n | head -1
-printf "static const char *x86_AMD_V_KVM_MSRs[] = {\n"
+printf "static const char * const x86_AMD_V_KVM_MSRs[] = {\n"
 grep -E $regex ${x86_msr_index} | \
 	sed -r "s/$regex/\2 \1/g" | sort -n | \
 	xargs printf "\t[%s - x86_AMD_V_KVM_MSRs_offset] = \"%s\",\n"
-- 
2.41.0.rc0.172.g3f132b7071-goog