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devlib: Use async Target API

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Make use of the new async API to speedup other parts of devlib.
This commit is contained in:
Douglas Raillard
2021-11-15 14:47:16 +00:00
committed by Marc Bonnici
parent 18ab9f80b0
commit 2c4b16f280
4 changed files with 248 additions and 150 deletions
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23
devlib/collector/ftrace.py
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@@ -28,6 +28,7 @@ from devlib.collector import (CollectorBase, CollectorOutput,
from devlib.host import PACKAGE_BIN_DIRECTORY
from devlib.exception import TargetStableError, HostError
from devlib.utils.misc import check_output, which, memoized
from devlib.utils.asyn import asyncf
TRACE_MARKER_START = 'TRACE_MARKER_START'
@@ -243,7 +244,8 @@ class FtraceCollector(CollectorBase):
self.target.write_value(self.function_profile_file, 0, verify=False)
self._reset_needed = False
def start(self):
@asyncf
async def start(self):
self.start_time = time.time()
if self._reset_needed:
self.reset()
@@ -282,14 +284,17 @@ class FtraceCollector(CollectorBase):
self.target.cpuidle.perturb_cpus()
# Enable kernel function profiling
if self.functions and self.tracer is None:
self.target.execute('echo nop > {}'.format(self.current_tracer_file),
as_root=True)
self.target.execute('echo 0 > {}'.format(self.function_profile_file),
as_root=True)
self.target.execute('echo {} > {}'.format(self.function_string, self.ftrace_filter_file),
as_root=True)
self.target.execute('echo 1 > {}'.format(self.function_profile_file),
as_root=True)
target = self.target
await target.async_manager.concurrently(
execute.asyn('echo nop > {}'.format(self.current_tracer_file),
as_root=True),
execute.asyn('echo 0 > {}'.format(self.function_profile_file),
as_root=True),
execute.asyn('echo {} > {}'.format(self.function_string, self.ftrace_filter_file),
as_root=True),
execute.asyn('echo 1 > {}'.format(self.function_profile_file),
as_root=True),
)
def stop(self):