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instruments/trace-cmd: Allow setting the interval for record mode

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Add a 'record_interval' parameter for the instrument that will be passed
to the collector. This parameter allows setting the interval for
filesystem writes when trace-cmd is running in record mode. The default
is 1000 (us, ie. 1 ms) which is the same as the default in trace-cmd.

Signed-off-by: Kajetan Puchalski <kajetan.puchalski@arm.com>
This commit is contained in:
Kajetan Puchalski 2023-08-23 17:33:59 +01:00
parent 96e361d4b0
commit 0bc0f604b4
1 changed files with 8 additions and 0 deletions
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8
wa/instruments/trace_cmd.py
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@ -158,6 +158,13 @@ class TraceCmdInstrument(Instrument):
description="""
The mode that trace-cmd will be started in.
For more details, consult the trace-cmd documentation.
"""),
Parameter('record_interval', kind=int, default=1000,
description="""
The interval for filesystem writes in record mode, in microseconds.
The default is set to 1000 (1 ms).
This is the time each recording process will sleep before waking up to
record any new data that was written to the ring buffer.
""")
]
@ -181,6 +188,7 @@ class TraceCmdInstrument(Instrument):
strict=False,
report_on_target=False,
trace_cmd_mode=self.trace_cmd_mode,
record_interval=self.record_interval,
)
if self.report and self.report_on_target:
collector_params['autoreport'] = True