Diff: Utilities/EventStats.cpp

Revision:

6:85ac8bf9955e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Utilities/EventStats.cpp	Thu May 24 14:45:27 2018 -0700
@@ -0,0 +1,117 @@
+/***************************************************************************
+* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+* OTHER DEALINGS IN THE SOFTWARE.
+*
+* Except as contained in this notice, the name of Maxim Integrated
+* Products, Inc. shall not be used except as stated in the Maxim Integrated
+* Products, Inc. Branding Policy.
+*
+* The mere transfer of this software does not imply any licenses
+* of trade secrets, proprietary technology, copyrights, patents,
+* trademarks, maskwork rights, or any other form of intellectual
+* property whatsoever. Maxim Integrated Products, Inc. retains all
+* ownership rights.
+****************************************************************************
+*/
+
+#include "EventStats.h"
+#include "Peripherals.h"
+
+EventStats::EventStats() :
+	single_evt(), all_evts()
+{
+	name = "";
+	report_period = 1000000;
+	num_evts = 0;
+	total_evt_time = 0;
+
+	evt_in_prog = false;
+}
+
+EventStats::EventStats(int report_period, const char* name) :
+	single_evt(), all_evts()
+{
+	if (name)
+		this->name = name;
+	else
+		this->name = "";
+
+	this->report_period = report_period;
+	num_evts = 0;
+	total_evt_time = 0;
+	evt_in_prog = false;
+
+}
+
+void EventStats::start()
+{
+	if (evt_in_prog) {
+		pr_debug("EventStats::start() called twice without calling EventStats::stop()!");
+	}
+
+
+	if (!num_evts)
+		all_evts.start();
+
+	single_evt.start();
+	evt_in_prog = true;
+
+}
+
+void EventStats::stop()
+{
+	if (!evt_in_prog) {
+		pr_debug("EventStats::stop() called before EventStats::start()!");
+	}
+
+	single_evt.stop();
+	num_evts++;
+	evt_in_prog = false;
+	total_evt_time += single_evt.read_us();
+	single_evt.reset();
+
+	int time_since_start = all_evts.read_us();
+	if (time_since_start > report_period) {
+		print_events(true);
+	}
+}
+
+void EventStats::print_events(bool reset)
+{
+	if (num_evts > 0) {
+		int time_since_start = all_evts.read_us();
+		int avg = total_evt_time / num_evts;
+
+		pr_debug("[Event (%s) hit %d times in %dus. Avg: %dus, Total: %dus\r\n",
+				name,
+				num_evts,
+				time_since_start,
+				avg,
+				total_evt_time);
+	} else {
+		pr_debug("Event (%s) has not yet occurred\r\n", name);
+	}
+
+	if (reset) {
+		num_evts = 0;
+		all_evts.reset();
+		total_evt_time = 0;
+	}
+}