X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=gettime.c;h=8d99900c72819c70471115bac9cbd50f88d2671f;hb=5d02b083f521bf7508249af8d3c7987992c7b718;hp=8419fe4bb9d2b46864c8f53909352936b420a4b1;hpb=c763aea6935a4a847f1d8869d9c700c0169973f7;p=fio.git

diff --git a/gettime.c b/gettime.c
index 8419fe4b..8d99900c 100644
--- a/gettime.c
+++ b/gettime.c
@@ -13,12 +13,16 @@
 #include "hash.h"
 #include "os/os.h"
 
-#if defined(ARCH_HAVE_CPU_CLOCK) && !defined(ARCH_CPU_CLOCK_CYCLES_PER_USEC)
+#if defined(ARCH_HAVE_CPU_CLOCK)
+#ifndef ARCH_CPU_CLOCK_CYCLES_PER_USEC
 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
+#endif
 int tsc_reliable = 0;
 
 struct tv_valid {
@@ -129,7 +133,9 @@ static void fio_init gtod_init(void)
 #ifdef CONFIG_CLOCK_GETTIME
 static int fill_clock_gettime(struct timespec *ts)
 {
-#ifdef CONFIG_CLOCK_MONOTONIC
+#if defined(CONFIG_CLOCK_MONOTONIC_RAW)
+	return clock_gettime(CLOCK_MONOTONIC_RAW, ts);
+#elif defined(CONFIG_CLOCK_MONOTONIC)
 	return clock_gettime(CLOCK_MONOTONIC, ts);
 #else
 	return clock_gettime(CLOCK_REALTIME, ts);
@@ -171,6 +177,7 @@ 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 +186,7 @@ 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 +319,10 @@ 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
@@ -478,7 +488,7 @@ static void *clock_thread_fn(void *data)
 	int i;
 
 	if (fio_cpuset_init(&cpu_mask)) {
-		int __err;
+		int __err = errno;
 
 		log_err("clock cpuset init failed: %s\n", strerror(__err));
 		goto err_out;
@@ -528,6 +538,7 @@ static void *clock_thread_fn(void *data)
 	if (!t->entries[i - 1].tsc && !t->entries[0].tsc)
 		goto err;
 
+	fio_cpuset_exit(&cpu_mask);
 	return NULL;
 err:
 	fio_cpuset_exit(&cpu_mask);
@@ -629,6 +640,8 @@ int fio_monotonic_clocktest(int debug)
 
 	qsort(entries, tentries, sizeof(struct clock_entry), clock_cmp);
 
+	/* silence silly gcc */
+	prev = NULL;
 	for (failed = i = 0; i < tentries; i++) {
 		this = &entries[i];