update build_board.py to parallel build

1 files changed, 39 insertions, 74 deletions

diff --git a/tools/build_board.py b/tools/build_board.py
index 4d895329a..62a4ea82f 100644
--- a/tools/build_board.py
+++ b/tools/build_board.py
@@ -1,8 +1,7 @@
 import os
-import glob
 import sys
-import subprocess
 import time
+from multiprocessing import Pool
 
 import build_utils
 
@@ -10,90 +9,56 @@ SUCCEEDED = "\033[32msucceeded\033[0m"
 FAILED = "\033[31mfailed\033[0m"
 SKIPPED = "\033[33mskipped\033[0m"
 
-success_count = 0
-fail_count = 0
-skip_count = 0
-exit_status = 0
-
-total_time = time.monotonic()
-
-build_format = '| {:29} | {:30} | {:18} | {:7} | {:6} | {:6} |'
 build_separator = '-' * 106
 
+
 def filter_with_input(mylist):
     if len(sys.argv) > 1:
         input_args = list(set(mylist).intersection(sys.argv))
         if len(input_args) > 0:
             mylist[:] = input_args
 
-# If examples are not specified in arguments, build all
-all_examples = []
-for dir1 in os.scandir("examples"):
-    if dir1.is_dir():
-        for entry in os.scandir(dir1.path):
-            if entry.is_dir():
-                all_examples.append(dir1.name + '/' + entry.name)
-filter_with_input(all_examples)
-all_examples.sort()
-
-# If boards are not specified in arguments, build all
-all_boards = []
-for entry in os.scandir("hw/bsp"):
-    if entry.is_dir() and os.path.exists(entry.path + "/board.mk"):
-        all_boards.append(entry.name)
-filter_with_input(all_boards)
-all_boards.sort()
-
-def build_board(example, board):
-    global success_count, fail_count, skip_count, exit_status
-    start_time = time.monotonic()
-    flash_size = "-"
-    sram_size = "-"
 
-    # Check if board is skipped
-    if build_utils.skip_example(example, board):
-        success = SKIPPED
-        skip_count += 1
-        print(build_format.format(example, board, success, '-', flash_size, sram_size))
-    else:
-        subprocess.run("make -C examples/{} BOARD={} clean".format(example, board), shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-        build_result = subprocess.run("make -j -C examples/{} BOARD={} all".format(example, board), shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+if __name__ == '__main__':
+    # If examples are not specified in arguments, build all
+    all_examples = []
+    for dir1 in os.scandir("examples"):
+        if dir1.is_dir():
+            for entry in os.scandir(dir1.path):
+                if entry.is_dir():
+                    all_examples.append(dir1.name + '/' + entry.name)
+    filter_with_input(all_examples)
+    all_examples.sort()
 
-        if build_result.returncode == 0:
-            success = SUCCEEDED
-            success_count += 1
-            (flash_size, sram_size) = build_size(example, board)
-        else:
-            exit_status = build_result.returncode
-            success = FAILED
-            fail_count += 1
+    # If boards are not specified in arguments, build all
+    all_boards = []
+    for entry in os.scandir("hw/bsp"):
+        if entry.is_dir() and os.path.exists(entry.path + "/board.mk"):
+            all_boards.append(entry.name)
+    filter_with_input(all_boards)
+    all_boards.sort()
 
-        build_duration = time.monotonic() - start_time
-        print(build_format.format(example, board, success, "{:.2f}s".format(build_duration), flash_size, sram_size))
-
-        if build_result.returncode != 0:
-            print(build_result.stdout.decode("utf-8"))
-
-def build_size(example, board):
-    #elf_file = 'examples/device/{}/_build/{}/{}-firmware.elf'.format(example, board, board)
-    elf_file = 'examples/{}/_build/{}/*.elf'.format(example, board)
-    size_output = subprocess.run('size {}'.format(elf_file), shell=True, stdout=subprocess.PIPE).stdout.decode("utf-8")
-    size_list = size_output.split('\n')[1].split('\t')
-    flash_size = int(size_list[0])
-    sram_size = int(size_list[1]) + int(size_list[2])
-    return (flash_size, sram_size)
+    print(build_separator)
+    print(build_utils.build_format.format('Example', 'Board', '\033[39mResult\033[0m', 'Time', 'Flash', 'SRAM'))
+    total_time = time.monotonic()
 
-print(build_separator)
-print(build_format.format('Example', 'Board', '\033[39mResult\033[0m', 'Time', 'Flash', 'SRAM'))
+    # succeeded, failed, skipped
+    total_result = [0, 0, 0]
+    for example in all_examples:
+        print(build_separator)
+        with Pool(processes=os.cpu_count()) as pool:
+            pool_args = list((map(lambda b, e=example: [e, b], all_boards)))
+            result = pool.starmap(build_utils.build_example, pool_args)
+            # sum all element of same index (column sum)
+            result = list(map(sum, list(zip(*result))))
+            
+            # add to total result
+            total_result = list(map(lambda x, y: x + y, total_result, result))
 
-for example in all_examples:
+    total_time = time.monotonic() - total_time
+    print(build_separator)
+    print("Build Summary: {} {}, {} {}, {} {} and took {:.2f}s".format(total_result[0], SUCCEEDED, total_result[1],
+                                                                       FAILED, total_result[2], SKIPPED, total_time))
     print(build_separator)
-    for board in all_boards:
-        build_board(example, board)
-
-total_time = time.monotonic() - total_time
-print(build_separator)
-print("Build Summary: {} {}, {} {}, {} {} and took {:.2f}s".format(success_count, SUCCEEDED, fail_count, FAILED, skip_count, SKIPPED, total_time))
-print(build_separator)
 
-sys.exit(exit_status)
+    sys.exit(total_result[1])