#!/bin/env python

import re, sys

version_re = re.compile("version\s+(\d+)")
timestamp_re = re.compile("timestamp\s+(\d+)")
cpu_re = re.compile("cpu\s*(\d+)" + "\s+(\d+)" * 12)
#the domain data is corrupted so we won't try to make any sense of it
domain_re = re.compile("domain\s*(\d+)" + "\s+(\d+)*")
time_re = re.compile("(\S+)\s+(\d+)m(\d+\.\d+)s")

schedstats_ver = "12"

def label(sched_descr):
    name = sched_descr[0]
    if name != "zaphod":
        return name
    for str in sched_descr[1:]:
        if str[:12] == "max_ia_bonus":
            miab = str[13]
        else:
            mtpb = str[14]
    return name + "(" + miab + "," + mtpb + ")"

print " " * 12,
print "| %24s | %s" % ("Build Statistics", "Overall Statistics")
print "-" * 71
print "%13s|" % "Scheduler",
print "%6s" % "Real",
print "%6s" % "CPU",
print "%4s" % "SYS",
print "%5s" % "TPT",
print "|",
print "%6s" % "CPU",
print "%5s" % "TPT",
print "%8s" % "delay",
print "%7s" % "CXSW"
print "             | (secs) (secs)  (%)   (%) | (secs)   (%)  (secs)"
print "-" * 71

while True:
    line = sys.stdin.readline()
    if not line:
        break
    if line.rstrip() != "scheduler:":
        continue
    scheduler_descr = []
    while True:
        line = sys.stdin.readline()
        if line.rstrip() == "schedstat:":
            break
        if line != "\n":
            scheduler_descr.append(line.rstrip())
    line = sys.stdin.readline()
    vem = version_re.match(line)
    if not vem:
        raise "Expected schedstats version: not found."
    elif vem.groups()[0] != schedstats_ver:
        raise "I'm built for schedstats version %s but %s found" % \
            (schedstats_ver, vem.groups()[0])
    line = sys.stdin.readline()
    tsm = timestamp_re.match(line)
    if not tsm:
        raise "Expected timestamp: not found."
    start_timestamp = int(tsm.groups()[0])
    start_cpu = {}
    while True:
        line = sys.stdin.readline()
        if line == "\n":
            break
        cpum = cpu_re.match(line)
        if not cpum:
            raise "Expected cpu data: not found."
        else:
            cpugs = cpum.groups()
            icpu = []
            for str in cpugs[1:]:
                icpu.append(int(str))
            start_cpu[cpugs[0]] = tuple(icpu)
        line = sys.stdin.readline()
        dm = domain_re.match(line)
        if not dm:
            raise "Expected domain data: not found."
        else:
            # ignore domain data as it's been corrupted
            pass
    while True:
        line = sys.stdin.readline()
        tm = time_re.match(line)
        if tm:
            break
    real_time = float(tm.groups()[1]) * 60 + float(tm.groups()[2])
    line = sys.stdin.readline()
    tm = time_re.match(line)
    if not tm:
        raise "Expected cpu time used in user mode"
    user_time = float(tm.groups()[1]) * 60 + float(tm.groups()[2])
    line = sys.stdin.readline()
    tm = time_re.match(line)
    if not tm:
        raise "Expected cpu time used in system mode"
    sys_time = float(tm.groups()[1]) * 60 + float(tm.groups()[2])
    while True:
        line = sys.stdin.readline()
        if line.rstrip() == "schedstat:":
            break
    line = sys.stdin.readline()
    vem = version_re.match(line)
    if not vem:
        raise "Expected schedstats version: not found."
    elif vem.groups()[0] != schedstats_ver:
        raise "I'm built for schedstats version %s but %s found" % \
            (schedstats_ver, vem.groups()[0])
    line = sys.stdin.readline()
    tsm = timestamp_re.match(line)
    if not tsm:
        raise "Expected timestamp: not found."
    stop_timestamp = int(tsm.groups()[0])
    stop_cpu = {}
    while True:
        line = sys.stdin.readline()
        if line == "\n":
            break
        cpum = cpu_re.match(line)
        if not cpum:
            raise "Expected cpu data: not found."
        else:
            cpugs = cpum.groups()
            icpu = []
            for str in cpugs[1:]:
                icpu.append(int(str))
            stop_cpu[cpugs[0]] = tuple(icpu)
        line = sys.stdin.readline()
        dm = domain_re.match(line)
        if not dm:
            raise "Expected domain data: not found."
        else:
            # ignore domain data as it's been corrupted
            pass
    delta_stats = {}
    combined_delta_stats = []
    for key in start_cpu.keys():
        start = start_cpu[key]
        stop = stop_cpu[key]
        delta_array = []
        for i in range(len(start)):
            delta = stop[i] - start[i]
            delta_array.append(delta)
            try:
                combined_delta_stats[i] += delta
            except:
                combined_delta_stats.append(delta)
        delta_stats[key] = tuple(delta_array)
    if start_timestamp < stop_timestamp:
        duration = stop_timestamp - start_timestamp
    else:
        duration = (stop_timestamp + 2**32 - 1) - start_timestamp
    total_time = user_time + sys_time
    percent_sys = sys_time * 100 / total_time
    percent_cpu = total_time * 100 / real_time
    total_cpu = combined_delta_stats[9]
    total_percent_cpu = float(total_cpu) * 100 / duration
    total_delay = combined_delta_stats[10]
    total_context_switches = combined_delta_stats[11]
    print "%13s|" % label(scheduler_descr),
    print "%5.1f" % real_time,
    print "%5.1f" % total_time,
    print "%3.2f" % percent_sys,
    print "%4.1f" % percent_cpu,
    print "|",
    print "%5.1f" % (float(total_cpu) / 1000),
    print "%4.1f" % total_percent_cpu,
    print "%7.1f" % (float(total_delay) / 1000),
    print "%7d" % total_context_switches