PERF_HPP_DIFF__DELTA 120 tools/perf/builtin-diff.c [COMPUTE_DELTA] = PERF_HPP_DIFF__DELTA, PERF_HPP_DIFF__DELTA 144 tools/perf/builtin-diff.c [PERF_HPP_DIFF__DELTA] = { PERF_HPP_DIFF__DELTA 1487 tools/perf/builtin-diff.c case PERF_HPP_DIFF__DELTA: PERF_HPP_DIFF__DELTA 1650 tools/perf/builtin-diff.c case PERF_HPP_DIFF__DELTA: