prev_tb          1159 arch/powerpc/perf/imc-pmu.c 				    u64 *prev_tb,
prev_tb          1164 arch/powerpc/perf/imc-pmu.c 	if (be64_to_cpu(READ_ONCE(mem->tb1)) > *prev_tb)
prev_tb          1165 arch/powerpc/perf/imc-pmu.c 		*prev_tb = be64_to_cpu(READ_ONCE(mem->tb1));
prev_tb          1195 arch/powerpc/perf/imc-pmu.c 	u64 prev_tb = 0;
prev_tb          1203 arch/powerpc/perf/imc-pmu.c 		ret = trace_imc_prepare_sample(mem, &data, &prev_tb, &header, event);