diff options
Diffstat (limited to 'man3/__ppc_get_timebase.3')
| -rw-r--r-- | man3/__ppc_get_timebase.3 | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/man3/__ppc_get_timebase.3 b/man3/__ppc_get_timebase.3 index ec7204191..d796ca077 100644 --- a/man3/__ppc_get_timebase.3 +++ b/man3/__ppc_get_timebase.3 @@ -60,36 +60,36 @@ between two calls to #include <stdio.h> #include <stdlib.h> #include <sys/platform/ppc.h> - +\& /* Maximum value of the Time Base Register: 2\[ha]60 \- 1. Source: POWER ISA. */ #define MAX_TB 0xFFFFFFFFFFFFFFF - +\& int main(void) { uint64_t tb1, tb2, diff; uint64_t freq; - +\& freq = __ppc_get_timebase_freq(); printf("Time Base frequency = %"PRIu64" Hz\en", freq); - +\& tb1 = __ppc_get_timebase(); - +\& // Do some stuff... - +\& tb2 = __ppc_get_timebase(); - +\& if (tb2 > tb1) { diff = tb2 \- tb1; } else { /* Treat Time Base Register overflow. */ diff = (MAX_TB \- tb2) + tb1; } - +\& printf("Elapsed time = %1.2f usecs\en", (double) diff * 1000000 / freq); - +\& exit(EXIT_SUCCESS); } .EE |