Initial commit

README

+# PMT-VIEW
+
+Web app do display live the PMT sensor 
+output.
+
+
+To execute it run 
+```
+bokeh serve pmt-view --show
+```
+
+A web browser will open with the live monitor of the Joules/Watts usage.
+
+To configure the type of sensor to use
+or the device number please edit `config.py` in `pmt-view`

pmt-view/config.py

+# Configuration file for PMT-VIEW
+
+# Name of the sensor see pmt documentation for more details
+SENSOR = "rapl"
+# Device ID
+DEVICE_ID = 0

pmt-view/main.py

+from argparse import ArgumentParser
+import pmt
+import time
+from bokeh.plotting import figure
+from bokeh.io import show
+from bokeh.embed import file_html
+from bokeh.io import curdoc
+from bokeh.models import ColumnDataSource
+import config
+
+
+def parse_args():
+    parser = ArgumentParser(description="PMT display sensors")
+    parser.add_argument("--sensor", default=config.SENSOR)
+    parser.add_argument("--device", default=config.DEVICE_ID, type=int)
+    return parser.parse_args()
+
+
+def main(bokeh=False):
+    args = parse_args()
+    sensor = pmt.get_pmt(args.sensor, device_id=args.device)
+
+    disp = Display(sensor, args.sensor)
+    disp.draw()
+    disp.loop()
+
+
+class Display:
+    def __init__(self, sensor, sensor_name):
+        self.figure = figure(width=900, height=500)
+        self.sensor_name = sensor_name
+        self.datasource = ColumnDataSource(
+            data={
+                "Joules": [0],
+                "Watts": [0],
+                "Average watts": [0],
+                "Average joules": [0],
+                "Seconds": [0],
+            }
+        )
+        self.sensor = sensor
+        self.state = None
+        self.cur_second = 0
+
+    def draw(self):
+        self.figure.line(
+            x="Seconds",
+            y="Joules",
+            color="red",
+            line_width=3.0,
+            source=self.datasource,
+            legend_label="Joules",
+        )
+        self.figure.line(
+            x="Seconds",
+            y="Watts",
+            color="blue",
+            line_width=3.0,
+            source=self.datasource,
+            legend_label="Watts",
+        )
+        self.figure.line(
+            x="Seconds",
+            y="Average watts",
+            color="lightblue",
+            line_width=3.0,
+            source=self.datasource,
+            legend_label="Average watts",
+        )
+        self.figure.line(
+            x="Seconds",
+            y="Average joules",
+            color="orange",
+            line_width=3.0,
+            source=self.datasource,
+            legend_label="Average joules",
+        )
+
+    def callback(self):
+        if self.state is None:
+            self.state = self.sensor.read()
+            time.sleep(1)
+        n_state = self.sensor.read()
+        self.cur_second += pmt.seconds(self.state, n_state)
+        row = {
+            "Joules": [
+                pmt.joules(self.state, n_state),
+            ],
+            "Watts": [pmt.joules(self.state, n_state)],
+            "Average watts": [
+                pmt.joules(self.state, n_state) / pmt.seconds(self.state, n_state)
+            ],
+            "Average joules": [
+                pmt.watts(self.state, n_state) / pmt.seconds(self.state, n_state)
+            ],
+            "Seconds": [self.cur_second],
+        }
+
+        self.datasource.stream(row)
+        self.state = n_state
+
+    def loop(self):
+        curdoc().template_variables["sensor"] = self.sensor_name
+        curdoc().add_periodic_callback(lambda: self.callback(), 1000)
+        curdoc().add_root(self.figure)
+
+
+if __name__ == "__main__":
+    main()
+elif __name__.startswith("bokeh_app"):
+    main(bokeh=True)

pmt-view/templates/index.html

+{% extends base %}
+{% block preamble %}
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.3.1/dist/css/bootstrap.min.css"
+    integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
+
+<style>
+    .main {
+        background-color: darkmagenta;
+        border-radius: 1rem;
+        margin-top: .5rem;
+        text-shadow: .2rem .2rem gray;
+        font-weight: bold;
+        color: white;
+        font: arial;
+    }
+
+    .figures {
+        margin: auto
+    }
+</style>
+{% endblock %}
+
+{% block contents %}
+<div class="container-fluid">
+    <nav class="navbar main shadow-sm">
+        <div class="navbar-brand">
+            <h1>PMT - {{sensor}}</h2>
+        </div>
+    </nav>
+
+    {% for root in roots %}
+    <div class='card me-2 mt-2 shadow-sm'>
+        <div class="card-body figures">
+            {{ embed(root) }}
+        </div>
+        {% endfor %}
+    </div>
+    {% endblock %}
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requirements.txt

+bokeh
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