perf arch x86: Add shellcheck to build

Add shellcheck for:

  tools/perf/arch/x86/tests/gen-insn-x86-dat.sh
  tools/perf/arch/x86/entry/syscalls/syscalltbl.sh

Address a minor quoting issue.
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Link: https://lore.kernel.org/r/20240409023216.2342032-3-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/arch/x86/Build

 perf-y += util/
 perf-y += tests/
+
+ifdef SHELLCHECK
+  SHELL_TESTS := entry/syscalls/syscalltbl.sh
+  TEST_LOGS := $(SHELL_TESTS:%=%.shellcheck_log)
+else
+  SHELL_TESTS :=
+  TEST_LOGS :=
+endif
+
+$(OUTPUT)%.shellcheck_log: %
+	$(call rule_mkdir)
+	$(Q)$(call echo-cmd,test)shellcheck -a -S warning "$<" > $@ || (cat $@ && rm $@ && false)
+
+perf-y += $(TEST_LOGS)

tools/perf/arch/x86/tests/Build

@@ -10,3 +10,17 @@ perf-$(CONFIG_AUXTRACE) += insn-x86.o
 endif
 perf-$(CONFIG_X86_64) += bp-modify.o
 perf-y += amd-ibs-via-core-pmu.o
+
+ifdef SHELLCHECK
+  SHELL_TESTS := gen-insn-x86-dat.sh
+  TEST_LOGS := $(SHELL_TESTS:%=%.shellcheck_log)
+else
+  SHELL_TESTS :=
+  TEST_LOGS :=
+endif
+
+$(OUTPUT)%.shellcheck_log: %
+	$(call rule_mkdir)
+	$(Q)$(call echo-cmd,test)shellcheck -a -S warning "$<" > $@ || (cat $@ && rm $@ && false)
+
+perf-y += $(TEST_LOGS)

tools/perf/arch/x86/tests/gen-insn-x86-dat.sh

@@ -11,7 +11,7 @@ if [ "$(uname -m)" != "x86_64" ]; then
 	exit 1
 fi
 
-cd $(dirname $0)
+cd "$(dirname $0)"
 
 trap 'echo "Might need a more recent version of binutils"' EXIT