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-rwxr-xr-xscripts/chatty_histogram.py66
1 files changed, 66 insertions, 0 deletions
diff --git a/scripts/chatty_histogram.py b/scripts/chatty_histogram.py
new file mode 100755
index 0000000..30fda24
--- /dev/null
+++ b/scripts/chatty_histogram.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+import argparse
+import inspect
+import json
+import matplotlib.pyplot as plt
+import os
+import sys
+
+currentdir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
+parentdir = os.path.dirname(currentdir)
+sys.path.insert(0,parentdir)
+
+import src.chattyparser as cp
+
+
+parser = argparse.ArgumentParser(description="Plot histograms using a chattymalloc output file")
+parser.add_argument("chattymalloc_file", help="path to chattymalloc.txt output file", type=str)
+parser.add_argument("-e", "--export", help="export to csv", action="store_true")
+
+def main():
+ args = parser.parse_args()
+
+ hist, calls, total_sizes = cp.parse(args.chattymalloc_file)
+
+ if args.export:
+ with open(args.chattymalloc_file.replace("json", "csv"), "w") as f:
+ print("Size", "Amount", file=f)
+ for size, amount in hist.items():
+ print(size, amount, file=f)
+
+ else:
+ sizes = []
+ sizes_smaller_4K = []
+ sizes_smaller_32K = []
+ sizes_bigger_32K = []
+ for size, amount in hist.items():
+ size = int(size)
+ sizes += [int(size)] * amount
+ if size < 4096:
+ sizes_smaller_4K += [int(size)] * amount
+ if size < 32000:
+ sizes_smaller_32K += [int(size)] * amount
+ else:
+ sizes_bigger_32K += [int(size)] * amount
+
+
+ plt.figure(0)
+ plt.hist(sizes_smaller_4K, 200)
+ plt.title("Sizes smaller than 4K")
+
+ plt.figure(1)
+ plt.hist(sizes_smaller_32K, 200)
+ plt.title("Sizes smaller than 32K")
+
+ plt.figure(2)
+ plt.hist(sizes_bigger_32K, 200)
+ plt.title("Sizes bigger than 32K")
+
+ plt.figure(3)
+ plt.hist(sizes, 200)
+ plt.title("All sizes")
+ plt.show()
+
+if __name__ == "__main__":
+ main()