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[5] Change heat map appearence. #7

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[5] Change heat map appearence. #7

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719e393
Update axes.
AndreyKoltsov1997 Nov 20, 2019
9d6802d
Update axes titles.
AndreyKoltsov1997 Nov 20, 2019
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0 ..._cache-pravega-pravega-segmentstore-2.dat → venv/log_examples/nfs.dat
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1,280 changes: 0 additions & 1,280 deletions venv/log_examples/nvme0n1_data-zookeeper-2_index-pravega-bookie-5.dat
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32 changes: 19 additions & 13 deletions venv/visualization/heatmap_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ def get_core_charts_from_file(filename, kind):
iosnoop_logs_file = open(filename)
current_line = iosnoop_logs_file.readline()


while (current_line):
polling_data_values = current_line.split()
if (len(polling_data_values) < minimal_required_amount_of_data):
Expand All @@ -50,38 +51,43 @@ def get_core_charts_from_file(filename, kind):
current_line = iosnoop_logs_file.readline()
continue
# TODO: Replace hard-coded index with string pattern (?)
captured_time = polling_data_values[0]
if (not is_numberic_value(captured_time)):
current_line = iosnoop_logs_file.readline()
continue
time_value = int(float(polling_data_values[IOSNOOP_PARSING.TIME_VALUE_INDEX]))
print(f"Found time value: {time_value}")

heatmap_time_values.append(polling_data_values[IOSNOOP_PARSING.TIME_VALUE_INDEX])
heatmap_pid_values.append(polling_data_values[IOSNOOP_PARSING.PID_VALUE_INDEX])
heatmap_bytes_values.append(polling_data_values[IOSNOOP_PARSING.BYTES_VALUE_INDEX])
heatmap_latency_values.append(polling_data_values[IOSNOOP_PARSING.LATENCY_VALUE_INDEX])
heatmap_time_values.append(time_value)

heatmap_pid_values.append(int(float(polling_data_values[IOSNOOP_PARSING.PID_VALUE_INDEX])))
heatmap_bytes_values.append(float(polling_data_values[IOSNOOP_PARSING.BYTES_VALUE_INDEX]))
heatmap_latency_values.append(float(polling_data_values[IOSNOOP_PARSING.LATENCY_VALUE_INDEX]))
current_line = iosnoop_logs_file.readline()

# NOTE: Creating the heat map
heatmap_x_values = heatmap_time_values

heatmap_y_values = heatmap_latency_values
heatmap_z_values = heatmap_bytes_values


latency_heatmap = get_heatmap_figure(heatmap_x_values, heatmap_y_values, heatmap_z_values)
heatmap_shared_title = f'iosnoop statistics for {kind}'
latency_heatmap.update_layout(
title=heatmap_shared_title,
yaxis_nticks=40,
yaxis_nticks=1,
xaxis_title="I/O Start time (s)",
yaxis_title="Latency, ms",
xaxis_tickformat=".4f")
yaxis_title="I/O Latency, ms",
xaxis_tickformat=".0f")

bytes_heatmap = get_heatmap_figure(heatmap_x_values, heatmap_z_values, heatmap_y_values)
bytes_heatmap.update_layout(
title=heatmap_shared_title,
xaxis_title="I/O Start time (s)",
xaxis_nticks=40,
yaxis_title="Bytes",
xaxis_tickformat=".4f")
yaxis_title="Event Size, Bytes",
xaxis_tickformat=".0f")

latency_heatmap.update_xaxes(range=[0, 100], rangemode="tozero")
bytes_heatmap.update_xaxes(range=[0, 100], rangemode="tozero")


return [bytes_heatmap, latency_heatmap]

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