@@ -75,6 +75,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += eal_common_options.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += eal_common_debug.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += eal_common_thread.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += eal_common_lcore.c
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_BSDAPP) += eal_common_timer.c
CFLAGS_eal.o := -D_GNU_SOURCE
#CFLAGS_eal_common_thread.o := -D_GNU_SOURCE
@@ -49,6 +49,7 @@
#include "eal_private.h"
#include "eal_internal_cfg.h"
+#include "eal_externs.h"
#ifdef RTE_LIBEAL_USE_HPET
#warning HPET is not supported in FreeBSD
@@ -56,25 +57,7 @@
enum timer_source eal_timer_source = EAL_TIMER_TSC;
-/* The frequency of the RDTSC timer resolution */
-static uint64_t eal_tsc_resolution_hz = 0;
-
-void
-rte_delay_us(unsigned us)
-{
- const uint64_t start = rte_get_timer_cycles();
- const uint64_t ticks = (uint64_t)us * rte_get_timer_hz() / 1E6;
- while ((rte_get_timer_cycles() - start) < ticks)
- rte_pause();
-}
-
-uint64_t
-rte_get_tsc_hz(void)
-{
- return eal_tsc_resolution_hz;
-}
-
-static int
+int
set_tsc_freq_from_sysctl(void)
{
size_t sz;
@@ -104,35 +87,6 @@ set_tsc_freq_from_sysctl(void)
return 0;
}
-static void
-set_tsc_freq_fallback(void)
-{
- RTE_LOG(WARNING, EAL, "WARNING: clock_gettime cannot use "
- "CLOCK_MONOTONIC_RAW and HPET is not available"
- " - clock timings may be less accurate.\n");
- /* assume that the sleep(1) will sleep for 1 second */
- uint64_t start = rte_rdtsc();
- sleep(1);
- eal_tsc_resolution_hz = rte_rdtsc() - start;
-}
-
-/*
- * This function measures the TSC frequency. It uses a variety of approaches.
- *
- * 1. Read the TSC frequency value provided by the kernel
- * 2. If above does not work, just sleep for 1 second and tune off that,
- * printing a warning about inaccuracy of timing
- */
-static void
-set_tsc_freq(void)
-{
- if (set_tsc_freq_from_sysctl() < 0)
- set_tsc_freq_fallback();
-
- RTE_LOG(INFO, EAL, "TSC frequency is ~%"PRIu64" KHz\n",
- eal_tsc_resolution_hz/1000);
-}
-
int
rte_eal_timer_init(void)
{
new file mode 100644
@@ -0,0 +1,99 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <errno.h>
+
+#include <rte_common.h>
+#include <rte_log.h>
+#include <rte_cycles.h>
+
+#include "eal_private.h"
+#include "eal_internal_cfg.h"
+
+/* The frequency of the RDTSC timer resolution */
+uint64_t eal_tsc_resolution_hz = 0;
+
+void
+rte_delay_us(unsigned us)
+{
+ const uint64_t start = rte_get_timer_cycles();
+ const uint64_t ticks = (uint64_t)us * rte_get_timer_hz() / 1E6;
+
+ while ((rte_get_timer_cycles() - start) < ticks)
+ rte_pause();
+}
+
+uint64_t
+rte_get_tsc_hz(void)
+{
+ return eal_tsc_resolution_hz;
+}
+
+static void
+set_tsc_freq_fallback(void)
+{
+ RTE_LOG(WARNING, EAL, "WARNING: clock_gettime cannot use "
+ "CLOCK_MONOTONIC_RAW and HPET is not available"
+ " - clock timings may be less accurate.\n");
+ /* assume that the sleep(1) will sleep for 1 second */
+ uint64_t start = rte_rdtsc();
+
+ sleep(1);
+ eal_tsc_resolution_hz = rte_rdtsc() - start;
+}
+
+/*
+ * This function measures the TSC frequency. It uses a variety of approaches.
+ *
+ * 1. Read the TSC frequency value provided by the kernel
+ * 2. If above does not work, just sleep for 1 second and tune off that,
+ * printing a warning about inaccuracy of timing
+ */
+void
+set_tsc_freq(void)
+{
+#ifdef RTE_EXEC_ENV_BSDAPP
+ if (set_tsc_freq_from_sysctl() < 0)
+#else /* RTE_EXEC_ENV_BSDAPP */
+ if (set_tsc_freq_from_clock() < 0)
+#endif /* RTE_EXEC_ENV_BSDAPP */
+ set_tsc_freq_fallback();
+
+ RTE_LOG(INFO, EAL, "TSC frequency is ~%"PRIu64" KHz\n",
+ eal_tsc_resolution_hz/1000);
+}
@@ -39,4 +39,7 @@ extern struct rte_config rte_config;
extern int mem_cfg_fd;
extern rte_usage_hook_t rte_application_usage_hook;
+/* Extern declarations defined in eal_common_timer.c */
+extern uint64_t eal_tsc_resolution_hz;
+
#endif
@@ -264,6 +264,13 @@ unsigned cpu_socket_id(unsigned lcore_id);
*/
unsigned cpu_core_id(unsigned lcore_id);
+/**
+ * This function measures TSC frequency
+ *
+ * This function is private to the EAL.
+ */
+void set_tsc_freq(void);
+
#ifdef RTE_EXEC_ENV_BSDAPP
/**
* This function gets no. of cpus
@@ -272,6 +279,13 @@ unsigned cpu_core_id(unsigned lcore_id);
*/
int get_ncpus(void);
+/**
+ * This function sets TSC frequency from sysctl
+ *
+ * This function is private to the EAL.
+ */
+int set_tsc_freq_from_sysctl(void);
+
#else /* RTE_EXEC_ENV_BSDAPP */
/**
* This function check if cpu is present
@@ -280,6 +294,13 @@ int get_ncpus(void);
*/
int cpu_detected(unsigned lcore_id);
+/**
+ * This function sets TSC frequency from clock
+ *
+ * This function is private to the EAL.
+ */
+int set_tsc_freq_from_clock(void);
+
#endif /* RTE_EXEC_ENV_BSDAPP */
#endif /* _EAL_PRIVATE_H_ */
@@ -87,6 +87,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_options.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_debug.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_thread.c
SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_lcore.c
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_timer.c
CFLAGS_eal.o := -D_GNU_SOURCE
CFLAGS_eal_common_thread.o := -D_GNU_SOURCE
@@ -55,12 +55,10 @@
#include "eal_private.h"
#include "eal_internal_cfg.h"
+#include "eal_externs.h"
enum timer_source eal_timer_source = EAL_TIMER_HPET;
-/* The frequency of the RDTSC timer resolution */
-static uint64_t eal_tsc_resolution_hz = 0;
-
#ifdef RTE_LIBEAL_USE_HPET
#define DEV_HPET "/dev/hpet"
@@ -161,23 +159,6 @@ rte_get_hpet_cycles(void)
#endif
-
-void
-rte_delay_us(unsigned us)
-{
- const uint64_t start = rte_get_timer_cycles();
- const uint64_t ticks = (uint64_t)us * rte_get_timer_hz() / 1E6;
- while ((rte_get_timer_cycles() - start) < ticks)
- rte_pause();
-}
-
-uint64_t
-rte_get_tsc_hz(void)
-{
- return eal_tsc_resolution_hz;
-}
-
-
#ifdef RTE_LIBEAL_USE_HPET
/*
* Open and mmap /dev/hpet (high precision event timer) that will
@@ -276,7 +257,7 @@ check_tsc_flags(void)
fclose(stream);
}
-static int
+int
set_tsc_freq_from_clock(void)
{
#ifdef CLOCK_MONOTONIC_RAW
@@ -302,35 +283,6 @@ set_tsc_freq_from_clock(void)
return -1;
}
-static void
-set_tsc_freq_fallback(void)
-{
- RTE_LOG(WARNING, EAL, "WARNING: clock_gettime cannot use "
- "CLOCK_MONOTONIC_RAW and HPET is not available"
- " - clock timings may be less accurate.\n");
- /* assume that the sleep(1) will sleep for 1 second */
- uint64_t start = rte_rdtsc();
- sleep(1);
- eal_tsc_resolution_hz = rte_rdtsc() - start;
-}
-/*
- * This function measures the TSC frequency. It uses a variety of approaches.
- *
- * 1. If kernel provides CLOCK_MONOTONIC_RAW we use that to tune the TSC value
- * 2. If kernel does not provide that, and we have HPET support, tune using HPET
- * 3. Lastly, if neither of the above can be used, just sleep for 1 second and
- * tune off that, printing a warning about inaccuracy of timing
- */
-static void
-set_tsc_freq(void)
-{
- if (set_tsc_freq_from_clock() < 0)
- set_tsc_freq_fallback();
-
- RTE_LOG(INFO, EAL, "TSC frequency is ~%"PRIu64" KHz\n",
- eal_tsc_resolution_hz/1000);
-}
-
int
rte_eal_timer_init(void)
{