tsc_after 1800 tools/power/x86/turbostat/turbostat.c unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time; tsc_after 1832 tools/power/x86/turbostat/turbostat.c tsc_after = rdtsc(); tsc_after 1835 tools/power/x86/turbostat/turbostat.c mperf_time = tsc_after - tsc_between;