BUILDSTATS_BASE = "${TMPDIR}/buildstats/" ################################################################################ # Build statistics gathering. # # The CPU and Time gathering/tracking functions and bbevent inspiration # were written by Christopher Larson. # ################################################################################ def get_buildprocess_cputime(pid): with open("/proc/%d/stat" % pid, "r") as f: fields = f.readline().rstrip().split() # 13: utime, 14: stime, 15: cutime, 16: cstime return sum(int(field) for field in fields[13:16]) def get_process_cputime(pid): import resource with open("/proc/%d/stat" % pid, "r") as f: fields = f.readline().rstrip().split() stats = { 'utime' : fields[13], 'stime' : fields[14], 'cutime' : fields[15], 'cstime' : fields[16], } iostats = {} with open("/proc/%d/io" % pid, "r") as f: while True: i = f.readline().strip() if not i: break i = i.split(": ") iostats[i[0]] = i[1] resources = resource.getrusage(resource.RUSAGE_SELF) childres = resource.getrusage(resource.RUSAGE_CHILDREN) return stats, iostats, resources, childres def get_cputime(): with open("/proc/stat", "r") as f: fields = f.readline().rstrip().split()[1:] return sum(int(field) for field in fields) def set_timedata(var, d, server_time): d.setVar(var, server_time) def get_timedata(var, d, end_time): oldtime = d.getVar(var, False) if oldtime is None: return return end_time - oldtime def set_buildtimedata(var, d): import time time = time.time() cputime = get_cputime() proctime = get_buildprocess_cputime(os.getpid()) d.setVar(var, (time, cputime, proctime)) def get_buildtimedata(var, d): import time timedata = d.getVar(var, False) if timedata is None: return oldtime, oldcpu, oldproc = timedata procdiff = get_buildprocess_cputime(os.getpid()) - oldproc cpudiff = get_cputime() - oldcpu end_time = time.time() timediff = end_time - oldtime if cpudiff > 0: cpuperc = float(procdiff) * 100 / cpudiff else: cpuperc = None return timediff, cpuperc def write_task_data(status, logfile, e, d): bn = d.getVar('BUILDNAME', True) bsdir = os.path.join(d.getVar('BUILDSTATS_BASE', True), bn) with open(os.path.join(logfile), "a") as f: elapsedtime = get_timedata("__timedata_task", d, e.time) if elapsedtime: f.write(d.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" % (e.task, elapsedtime))) cpu, iostats, resources, childres = get_process_cputime(os.getpid()) if cpu: f.write("utime: %s\n" % cpu['utime']) f.write("stime: %s\n" % cpu['stime']) f.write("cutime: %s\n" % cpu['cutime']) f.write("cstime: %s\n" % cpu['cstime']) for i in iostats: f.write("IO %s: %s\n" % (i, iostats[i])) rusages = ["ru_utime", "ru_stime", "ru_maxrss", "ru_minflt", "ru_majflt", "ru_inblock", "ru_oublock", "ru_nvcsw", "ru_nivcsw"] for i in rusages: f.write("rusage %s: %s\n" % (i, getattr(resources, i))) for i in rusages: f.write("Child rusage %s: %s\n" % (i, getattr(childres, i))) if status is "passed": f.write("Status: PASSED \n") else: f.write("Status: FAILED \n") f.write("Ended: %0.2f \n" % e.time) python run_buildstats () { import bb.build import bb.event import time, subprocess, platform bn = d.getVar('BUILDNAME', True) bsdir = os.path.join(d.getVar('BUILDSTATS_BASE', True), bn) taskdir = os.path.join(bsdir, d.getVar('PF', True)) if isinstance(e, bb.event.BuildStarted): ######################################################################## # at first pass make the buildstats heriarchy and then # set the buildname ######################################################################## bb.utils.mkdirhier(bsdir) set_buildtimedata("__timedata_build", d) build_time = os.path.join(bsdir, "build_stats") # write start of build into build_time with open(build_time, "a") as f: host_info = platform.uname() f.write("Host Info: ") for x in host_info: if x: f.write(x + " ") f.write("\n") f.write("Build Started: %0.2f \n" % time.time()) elif isinstance(e, bb.event.BuildCompleted): build_time = os.path.join(bsdir, "build_stats") with open(build_time, "a") as f: ######################################################################## # Write build statistics for the build ######################################################################## timedata = get_buildtimedata("__timedata_build", d) if timedata: time, cpu = timedata # write end of build and cpu used into build_time f.write("Elapsed time: %0.2f seconds \n" % (time)) if cpu: f.write("CPU usage: %0.1f%% \n" % cpu) if isinstance(e, bb.build.TaskStarted): set_timedata("__timedata_task", d, e.time) bb.utils.mkdirhier(taskdir) # write into the task event file the name and start time with open(os.path.join(taskdir, e.task), "a") as f: f.write("Event: %s \n" % bb.event.getName(e)) f.write("Started: %0.2f \n" % e.time) elif isinstance(e, bb.build.TaskSucceeded): write_task_data("passed", os.path.join(taskdir, e.task), e, d) if e.task == "do_rootfs": bs = os.path.join(bsdir, "build_stats") with open(bs, "a") as f: rootfs = d.getVar('IMAGE_ROOTFS', True) rootfs_size = subprocess.Popen(["du", "-sh", rootfs], stdout=subprocess.PIPE).stdout.read() f.write("Uncompressed Rootfs size: %s" % rootfs_size) elif isinstance(e, bb.build.TaskFailed): write_task_data("failed", os.path.join(taskdir, e.task), e, d) ######################################################################## # Lets make things easier and tell people where the build failed in # build_status. We do this here because BuildCompleted triggers no # matter what the status of the build actually is ######################################################################## build_status = os.path.join(bsdir, "build_stats") with open(build_status, "a") as f: f.write(d.expand("Failed at: ${PF} at task: %s \n" % e.task)) } addhandler run_buildstats run_buildstats[eventmask] = "bb.event.BuildStarted bb.event.BuildCompleted bb.build.TaskStarted bb.build.TaskSucceeded bb.build.TaskFailed"