1cmd_drivers/perf/built-in.a := echo >/dev/null; rm -f drivers/perf/built-in.a; /usr/bin/ccache /home/test/workspace/code/optee_3.16/build/../toolchains/aarch64/bin/aarch64-linux-gnu-ar cDPrST drivers/perf/built-in.a drivers/perf/arm_pmu.o drivers/perf/arm_pmu_platform.o drivers/perf/arm_pmu_acpi.o drivers/perf/hisilicon/built-in.a drivers/perf/qcom_l2_pmu.o drivers/perf/qcom_l3_pmu.o 2