[dpdk-dev] [PATCH 3/5] eal/armv7: define architecture specific rdtsc hz

Jerin Jacob jerin.jacob at caviumnetworks.com
Sun Aug 13 09:03:48 CEST 2017


CC: Jan Viktorin <viktorin at rehivetech.com>
CC: Jianbo Liu <jianbo.liu at linaro.org>
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
 lib/librte_eal/common/include/arch/arm/rte_cycles_32.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/librte_eal/common/include/arch/arm/rte_cycles_32.h b/lib/librte_eal/common/include/arch/arm/rte_cycles_32.h
index 9c1be71ea..68d7462c4 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_cycles_32.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_cycles_32.h
@@ -104,6 +104,19 @@ __rte_rdtsc_pmccntr(void)
 
 #endif /* RTE_ARM_EAL_RDTSC_USE_PMU */
 
+/**
+ * Get the number of rdtsc cycles in one second if the architecture supports.
+ *
+ * @return
+ *   The number of rdtsc cycles in one second. Return zero if the architecture
+ *   support is not available.
+ */
+static inline uint64_t
+rte_rdtsc_arch_hz(void)
+{
+	return 0;
+}
+
 static inline uint64_t
 rte_rdtsc_precise(void)
 {
-- 
2.14.0



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