def run(self, outputdir=None):
# set output path of perf data
full_outputdir = fileutils.build_full_output_dir(basedir=outputdir,
subdir=self.data_dir)
if full_outputdir is None:
# something went wrong when setting output dir, exit without perfing
# TODO: unified output: "Error when setting up output dir of perf data"
return
if len(self.process_info) > 0:
# perf on given process(es)
for pid, pname in self.process_info.items():
cmd = self.build_cmd(pid, pname, full_outputdir)
# TODO: unified output: "Now perf recording %s(%d)..." % (pname, pid)
stdout, stderr = util.run_cmd(cmd)
if stdout:
fileutils.write_file(
path.join(full_outputdir, "%s.stdout" % pname), stdout)
if stderr:
fileutils.write_file(
path.join(full_outputdir, "%s.stderr" % pname), stderr)
else:
# perf the entire system
cmd = self.build_cmd()
stdout, stderr = util.run_cmd(cmd)
if stdout:
fileutils.write_file(path.join(full_outputdir, "perf.stdout"),
stdout)
if stderr:
fileutils.write_file(path.join(full_outputdir, "perf.stderr"),
stderr)
def save_tidb_configs(self, proc_cmdline=None, outputdir=None):
full_outputdir = fileutils.build_full_output_dir(
basedir=outputdir, subdir=self.config_dir)
for pid, cmdline in proc_cmdline.items():
proc_configfile = self.find_tidb_configfiles(cmdline)
if not proc_configfile:
continue
shutil.copyfile(proc_configfile,
os.path.join(full_outputdir, "%s.conf" % pid))
def save_logfile_to_dir(self, logfile=None, savename=None, outputdir=None):
if not logfile:
return
# set full output path for log files
full_outputdir = fileutils.build_full_output_dir(basedir=outputdir,
subdir=self.log_dir)
if not savename:
shutil.copy(logfile, full_outputdir)
else:
shutil.copyfile(logfile, os.path.join(full_outputdir, savename))
def save_info(self, basedir=None):
full_outputdir = fileutils.build_full_output_dir(
basedir=basedir, subdir=self.pdctl_dir)
pd_health = self.read_health()
if pd_health:
fileutils.write_file(os.path.join(
full_outputdir, "%s-health.json" % self.pd_host), pd_health)
pd_diagnose = self.read_diagnose()
if pd_diagnose:
fileutils.write_file(os.path.join(
full_outputdir, "%s-diagnose.json" % self.pd_host), pd_diagnose)
for key, info in self.read_runtime_info().items():
if not info:
continue
fileutils.write_file(os.path.join(
full_outputdir, "%s-%s.json" % (self.pd_host, key)), info)
def save_sysconf(self, outputdir=None):
cmd = ["sysctl", "-a"]
path_limit_file = "/etc/security/limits.conf"
# save output of `sysctl -a`
full_outputdir = fileutils.build_full_output_dir(
basedir=outputdir, subdir=self.config_dir)
stdout, stderr = util.run_cmd(cmd)
if stdout:
fileutils.write_file(os.path.join(full_outputdir, "sysctl.conf"),
stdout)
if stderr:
fileutils.write_file(os.path.join(full_outputdir, "sysctl.err"),
stderr)
# save system limits.conf
shutil.copy(path_limit_file, full_outputdir)