diff mbox

[dpdk-dev,v2,1/5] eal/x86: define architecture specific rdtsc hz

Message ID d16762b1af8e316651dd6b3d4a4ac2957597960d.1506058385.git.gowrishankar.m@linux.vnet.ibm.com (mailing list archive)
State Superseded, archived
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Gowrishankar Sept. 22, 2017, 8:25 a.m. UTC 
  From: Jerin Jacob <jerin.jacob@caviumnetworks.com>

CC: Bruce Richardson <bruce.richardson@intel.com>
CC: Konstantin Ananyev <konstantin.ananyev@intel.com>

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
 lib/librte_eal/common/include/arch/x86/rte_cycles.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox

Patch

diff --git a/lib/librte_eal/common/include/arch/x86/rte_cycles.h b/lib/librte_eal/common/include/arch/x86/rte_cycles.h
index 1bb3e1d..e2661e2 100644
--- a/lib/librte_eal/common/include/arch/x86/rte_cycles.h
+++ b/lib/librte_eal/common/include/arch/x86/rte_cycles.h
@@ -77,6 +77,19 @@ 
 	return tsc.tsc_64;
 }
 
+/**
+ * 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)
 {