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instruments/trace_cmd: Allow setting top_buffer_size

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Allow optionally setting the top level ftrace buffer size separately
from the devlib buffer size. The parameter will be passed to the devlib
FtraceCollector and take effect there.

Signed-off-by: Kajetan Puchalski <kajetan.puchalski@arm.com>
This commit is contained in:
Kajetan Puchalski
2023-08-14 16:51:21 +01:00
committed by Marc Bonnici
parent d67d9bd2a4
commit b113a8b351
1 changed files with 8 additions and 0 deletions
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8
wa/instruments/trace_cmd.py
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@@ -125,6 +125,13 @@ class TraceCmdInstrument(Instrument):
value by going down from the specified size in
``buffer_size_step`` intervals.
"""),
Parameter('top_buffer_size', kind=int, default=None,
global_alias='trace_top_buffer_size',
description="""
The same as buffer_size except it sets the size of the
top-level buffer instead of the devlib one. If left unset,
it will default to the same as the devlib buffer size.
"""),
Parameter('buffer_size_step', kind=int, default=1000,
global_alias='trace_buffer_size_step',
description="""
@@ -168,6 +175,7 @@ class TraceCmdInstrument(Instrument):
events=self.events,
functions=self.functions,
buffer_size=self.buffer_size,
top_buffer_size=self.top_buffer_size,
buffer_size_step=1000,
automark=False,
autoreport=True,