fio: fix cycles_start build issue

[fio.git] / gettime.c

diff --git a/gettime.c b/gettime.c
index 6863ce3f97cef140e967990b9b8a7dc0bf3b0126..d1c8eb970c3cb4125022508b2cb43b3f36571843 100644 (file)
--- a/gettime.c
+++ b/gettime.c
@@ -17,6 +17,8 @@
 static unsigned long cycles_per_usec;
 static unsigned long inv_cycles_per_usec;
 static uint64_t max_cycles_for_mult;
+#endif
+#ifdef ARCH_CPU_CLOCK_WRAPS
 static unsigned long long cycles_start, cycles_wrap;
 #endif
 int tsc_reliable = 0;
@@ -171,6 +173,7 @@ static void __fio_gettime(struct timeval *tp)
 #endif
 
                t = get_cpu_clock();
+#ifdef ARCH_CPU_CLOCK_WRAPS
                if (t < cycles_start && !cycles_wrap)
                        cycles_wrap = 1;
                else if (cycles_wrap && t >= cycles_start && !tv->warned) {
@@ -179,6 +182,7 @@ static void __fio_gettime(struct timeval *tp)
                }
 
                t -= cycles_start;
+#endif
                tv->last_cycles = t;
                tv->last_tv_valid = 1;
 #ifdef ARCH_CPU_CLOCK_CYCLES_PER_USEC
@@ -311,8 +315,10 @@ static int calibrate_cpu_clock(void)
        inv_cycles_per_usec = 16777216UL / cycles_per_usec;
        max_cycles_for_mult = ~0ULL / inv_cycles_per_usec;
        dprint(FD_TIME, "inv_cycles_per_usec=%lu\n", inv_cycles_per_usec);
+#ifdef ARCH_CPU_CLOCK_WRAPS
        cycles_start = get_cpu_clock();
        dprint(FD_TIME, "cycles_start=%llu\n", cycles_start);
+#endif
        return 0;
 }
 #else