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Merge pull request #394 from setrofim/next

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utils/trace_cmd: add parsers for more sched events
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marcbonnici 2017-05-31 10:50:17 +01:00 committed by GitHub
commit 3d07cbd0b7
1 changed files with 21 additions and 0 deletions
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wa/utils/trace-cmd.py
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@ -186,6 +186,20 @@ def sched_switch_parser(event, text):
return default_body_parser(event, text.replace('==>', '')) return default_body_parser(event, text.replace('==>', ''))
def sched_stat_parser(event, text):
"""
sched_stat_* events unclude the units, "[ns]", in an otherwise
regular key=value sequence; so the units need to be stripped out first.
"""
return default_body_parser(event, text.replace(' [ns]', ''))
def sched_wakeup_parser(event, text):
regex = re.compile(r'(?P<comm>\S+):(?P<pid>\d+) \[(?P<prio>\d+)\] success=(?P<success>\d) CPU:(?P<cpu>\d+)')
parse_func = regex_body_parser(regex)
return parse_func(event, text)
# Maps event onto the corresponding parser for its body text. A parser may be # Maps event onto the corresponding parser for its body text. A parser may be
# a callable with signature # a callable with signature
# #
@ -195,7 +209,14 @@ def sched_switch_parser(event, text):
# regex). In case of a string/regex, its named groups will be used to populate # regex). In case of a string/regex, its named groups will be used to populate
# the event's attributes. # the event's attributes.
EVENT_PARSER_MAP = { EVENT_PARSER_MAP = {
'sched_stat_blocked': sched_stat_parser,
'sched_stat_iowait': sched_stat_parser,
'sched_stat_runtime': sched_stat_parser,
'sched_stat_sleep': sched_stat_parser,
'sched_stat_wait': sched_stat_parser,
'sched_switch': sched_switch_parser, 'sched_switch': sched_switch_parser,
'sched_wakeup': sched_wakeup_parser,
'sched_wakeup_new': sched_wakeup_parser,
} }
TRACE_EVENT_REGEX = re.compile(r'^\s+(?P<thread>\S+.*?\S+)\s+\[(?P<cpu_id>\d+)\]\s+(?P<ts>[\d.]+):\s+' TRACE_EVENT_REGEX = re.compile(r'^\s+(?P<thread>\S+.*?\S+)\s+\[(?P<cpu_id>\d+)\]\s+(?P<ts>[\d.]+):\s+'