Initial commit: cframework. Longbow and Libparc

Change-Id: I90378dbd30da6033b20fb1f829b3b822cf366c59
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/libparc/parc/developer/parc_TimingGeneric.h b/libparc/parc/developer/parc_TimingGeneric.h
new file mode 100755
index 00000000..8c1d4468
--- /dev/null
+++ b/libparc/parc/developer/parc_TimingGeneric.h
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+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file parc_TimingGeneric.h
+ * @brief Macros for timing code
+ *
+ * We cannot do any better than gettimeofday
+ *
+ */
+#ifndef libparc_parc_TimingLinux_h
+#define libparc_parc_TimingLinux_h
+
+#include <stdint.h>
+#include <time.h>
+#include <sys/time.h>
+
+#ifdef PARCTIMING_GENERIC
+
+#define _private_parcTiming_Init(prefix) \
+    struct timeval prefix ## _ts0, prefix ## _ts1, prefix ## _delta;
+
+#define _private_parcTiming_Start(prefix) \
+    gettimeofday(&(prefix ## _ts0), NULL);
+
+#define _private_parcTiming_Stop(prefix) \
+    gettimeofday(&(prefix ## _ts1), NULL);
+
+static inline uint64_t
+_parcTimingGeneric_Delta(const struct timeval *t0, const struct timeval *t1)
+{
+    struct timeval delta;
+    timersub(t1, t0, &delta);
+    return (uint64_t) delta.tv_sec * 1000000ULL + delta.tv_usec;
+}
+
+#define _private_parcTiming_Delta(prefix) _parcTimingGeneric_Delta(&(prefix ## _ts0), &(prefix ## _ts1))
+
+// No teardown work that we need to do
+#define _private_parcTiming_Fini(prefix)
+
+#endif // PARCTIMING_GENERIC
+#endif // libparc_parc_TimingLinux_h
+