Resultstracker enabling debug log

I updated log level to DEBUG, still i dont see resultstracker log gets generated. I did restart all the services after the update. Could someone help

[loggers]
keys=root

[handlers]
keys=consoleHandler, fileHandler, auditHandler

[formatters]
keys=simpleConsoleFormatter, verboseConsoleFormatter, gelfFormatter

[logger_root]
level=DEBUG
handlers=consoleHandler, fileHandler, auditHandler

[handler_consoleHandler]
class=StreamHandler
level=INFO
formatter=simpleConsoleFormatter
args=(sys.stdout,)

[handler_fileHandler]
class=st2common.log.FormatNamedFileHandler
level=DEBUG
formatter=verboseConsoleFormatter
args=(’/var/log/st2/st2resultstracker.log’,)

[handler_auditHandler]
class=st2common.log.FormatNamedFileHandler
level=DEBUG
formatter=gelfFormatter
args=(’/var/log/st2/st2resultstracker.audit.log’,)

[formatter_simpleConsoleFormatter]
class=st2common.logging.formatters.ConsoleLogFormatter
format=%(asctime)s %(levelname)s [-] %(message)s
datefmt=

[formatter_verboseConsoleFormatter]
class=st2common.logging.formatters.ConsoleLogFormatter
format=%(asctime)s %(thread)s %(levelname)s %(module)s [-] %(message)s
datefmt=

[formatter_gelfFormatter]
class=st2common.logging.formatters.GelfLogFormatter
format=%(message)s