misc: make benchmark summary more clear

Signed-off-by: Desiki-high <ding_yadong@foxmail.com>

misc/benchmark/benchmark_summary.py

@@ -39,6 +39,7 @@
     ("nydus-filelist-prefetch-master.csv", "nydus-filelist-prefetch.csv")
 ]
 
+DELTA = 1.0
 
 class BenchmarkSummary:
     def __init__(self, mode):
@@ -92,12 +93,29 @@ def print_compare(file_master: str, file: str):
         rows = csv.reader(f)
         for row in rows:
             pull_elapsed, create_elapsed, run_elapsed, total_elapsed, image_size, read_amount, read_count = row
-        with open(file_master, 'r', newline='') as f:
-            rows = csv.reader(f)
-            for row in rows:
-                pull_elapsed_master, create_elapsed_master, run_elapsed_master, total_elapsed_master, image_size_master, read_amount_master, read_count_master = row
-    print(f"|{filename}|{pull_elapsed} /{pull_elapsed_master}|{create_elapsed} /{create_elapsed_master}|{run_elapsed} /{run_elapsed_master}|{total_elapsed} /{total_elapsed_master}|{image_size} / {image_size_master}|{read_amount} / {read_amount_master}|{read_count} / {read_count_master}|")
-
+    with open(file_master, 'r', newline='') as f:
+        rows = csv.reader(f)
+        for row in rows:
+            pull_elapsed_master, create_elapsed_master, run_elapsed_master, total_elapsed_master, image_size_master, read_amount_master, read_count_master = row
+    pull_elapsed_compare = compare(pull_elapsed,pull_elapsed_master)
+    create_elapsed_compare = compare(create_elapsed, create_elapsed_master)
+    run_elapsed_compare = compare(run_elapsed, run_elapsed_master)
+    total_elapsed_compare = compare(total_elapsed, total_elapsed_master)
+    image_size_compare = compare(image_size, image_size_master)
+    read_amount_compare = compare(read_amount, read_amount_master)
+    read_count_compare = compare(read_count, read_count_master)
+
+    print(f"|{filename}|{pull_elapsed_compare}|{create_elapsed_compare}|{run_elapsed_compare}|{total_elapsed_compare}|{image_size_compare}|{read_amount_compare}|{read_count_compare}|")
+
+def compare(data_current: str, data_master: str) -> str:
+    data_current = float(data_current)
+    data_master = float(data_master)
+    if abs(data_current - data_master) > DELTA + data_master * 0.05:
+        if data_current > data_master:
+            return f"{data_current}/{data_master}↑"
+        else: 
+            return f"{data_current}/{data_master}↓"
+    return f"{data_current}/{data_master}"
 
 def main():
     parser = ArgumentParser()