Yocto 2.3
Move OpenBMC to Yocto 2.3(pyro).
Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I50744030e771f4850afc2a93a10d3507e76d36bc
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Resolves: openbmc/openbmc#2461
diff --git a/import-layers/yocto-poky/scripts/task-time b/import-layers/yocto-poky/scripts/task-time
new file mode 100755
index 0000000..e58040a
--- /dev/null
+++ b/import-layers/yocto-poky/scripts/task-time
@@ -0,0 +1,132 @@
+#!/usr/bin/env python3
+
+import argparse
+import os
+import re
+import sys
+
+arg_parser = argparse.ArgumentParser(
+ description="""
+Reports time consumed for one or more task in a format similar to the standard
+Bash 'time' builtin. Optionally sorts tasks by real (wall-clock), user (user
+space CPU), or sys (kernel CPU) time.
+""")
+
+arg_parser.add_argument(
+ "paths",
+ metavar="path",
+ nargs="+",
+ help="""
+A path containing task buildstats. If the path is a directory, e.g.
+build/tmp/buildstats, then all task found (recursively) in it will be
+processed. If the path is a single task buildstat, e.g.
+build/tmp/buildstats/20161018083535/foo-1.0-r0/do_compile, then just that
+buildstat will be processed. Multiple paths can be specified to process all of
+them. Files whose names do not start with "do_" are ignored.
+""")
+
+arg_parser.add_argument(
+ "--sort",
+ choices=("none", "real", "user", "sys"),
+ default="none",
+ help="""
+The measurement to sort the output by. Defaults to 'none', which means to sort
+by the order paths were given on the command line. For other options, tasks are
+sorted in descending order from the highest value.
+""")
+
+args = arg_parser.parse_args()
+
+# Field names and regexes for parsing out their values from buildstat files
+field_regexes = (("elapsed", ".*Elapsed time: ([0-9.]+)"),
+ ("user", "rusage ru_utime: ([0-9.]+)"),
+ ("sys", "rusage ru_stime: ([0-9.]+)"),
+ ("child user", "Child rusage ru_utime: ([0-9.]+)"),
+ ("child sys", "Child rusage ru_stime: ([0-9.]+)"))
+
+# A list of (<path>, <dict>) tuples, where <path> is the path of a do_* task
+# buildstat file and <dict> maps fields from the file to their values
+task_infos = []
+
+def save_times_for_task(path):
+ """Saves information for the buildstat file 'path' in 'task_infos'."""
+
+ if not os.path.basename(path).startswith("do_"):
+ return
+
+ with open(path) as f:
+ fields = {}
+
+ for line in f:
+ for name, regex in field_regexes:
+ match = re.match(regex, line)
+ if match:
+ fields[name] = float(match.group(1))
+ break
+
+ # Check that all expected fields were present
+ for name, regex in field_regexes:
+ if name not in fields:
+ print("Warning: Skipping '{}' because no field matching '{}' could be found"
+ .format(path, regex),
+ file=sys.stderr)
+ return
+
+ task_infos.append((path, fields))
+
+def save_times_for_dir(path):
+ """Runs save_times_for_task() for each file in path and its subdirs, recursively."""
+
+ # Raise an exception for os.walk() errors instead of ignoring them
+ def walk_onerror(e):
+ raise e
+
+ for root, _, files in os.walk(path, onerror=walk_onerror):
+ for fname in files:
+ save_times_for_task(os.path.join(root, fname))
+
+for path in args.paths:
+ if os.path.isfile(path):
+ save_times_for_task(path)
+ else:
+ save_times_for_dir(path)
+
+def elapsed_time(task_info):
+ return task_info[1]["elapsed"]
+
+def tot_user_time(task_info):
+ return task_info[1]["user"] + task_info[1]["child user"]
+
+def tot_sys_time(task_info):
+ return task_info[1]["sys"] + task_info[1]["child sys"]
+
+if args.sort != "none":
+ sort_fn = {"real": elapsed_time, "user": tot_user_time, "sys": tot_sys_time}
+ task_infos.sort(key=sort_fn[args.sort], reverse=True)
+
+first_entry = True
+
+# Catching BrokenPipeError avoids annoying errors when the output is piped into
+# e.g. 'less' or 'head' and not completely read
+try:
+ for task_info in task_infos:
+ real = elapsed_time(task_info)
+ user = tot_user_time(task_info)
+ sys = tot_sys_time(task_info)
+
+ if not first_entry:
+ print()
+ first_entry = False
+
+ # Mimic Bash's 'time' builtin
+ print("{}:\n"
+ "real\t{}m{:.3f}s\n"
+ "user\t{}m{:.3f}s\n"
+ "sys\t{}m{:.3f}s"
+ .format(task_info[0],
+ int(real//60), real%60,
+ int(user//60), user%60,
+ int(sys//60), sys%60))
+
+except BrokenPipeError:
+ pass