sascha/devlib
1
0
Fork 0
mirror of https://github.com/ARM-software/devlib.git synced 2025-01-31 02:00:45 +00:00
Code Issues Releases Wiki Activity

Add option not to validate PMU counters.

Browse Source 
The validation call can take a long for targets where PLL:s have
been clocked down, such as FPGAs.
This commit is contained in:
Ola Olsson 2024-03-18 22:41:24 +01:00 committed by Marc Bonnici
parent 228baeb317
commit 8247ac91e7
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
devlib/collector/perf.py
View File

@ -59,7 +59,7 @@ class PerfCollector(CollectorBase):
mispredicted. They form a basis for profiling applications to trace dynamic mispredicted. They form a basis for profiling applications to trace dynamic
control flow and identify hotspots. control flow and identify hotspots.
pref accepts options and events. If no option is given the default '-a' is Perf accepts options and events. If no option is given the default '-a' is
used. For events, the default events are migrations and cs for perf and raw-cpu-cycles, used. For events, the default events are migrations and cs for perf and raw-cpu-cycles,
raw-l1-dcache, raw-l1-dcache-refill, raw-instructions-retired. They both can raw-l1-dcache, raw-l1-dcache-refill, raw-instructions-retired. They both can
be specified in the config file. be specified in the config file.
@ -94,7 +94,8 @@ class PerfCollector(CollectorBase):
run_report_sample=False, run_report_sample=False,
report_sample_options=None, report_sample_options=None,
labels=None, labels=None,
force_install=False): force_install=False,
validate_events=True):
super(PerfCollector, self).__init__(target) super(PerfCollector, self).__init__(target)
self.force_install = force_install self.force_install = force_install
self.labels = labels self.labels = labels
@ -102,6 +103,7 @@ class PerfCollector(CollectorBase):
self.run_report_sample = run_report_sample self.run_report_sample = run_report_sample
self.report_sample_options = report_sample_options self.report_sample_options = report_sample_options
self.output_path = None self.output_path = None
self.validate_events = validate_events
# Validate parameters # Validate parameters
if isinstance(optionstring, list): if isinstance(optionstring, list):
@ -135,6 +137,7 @@ class PerfCollector(CollectorBase):
if self.force_install or not self.binary: if self.force_install or not self.binary:
self.binary = self._deploy_perf() self.binary = self._deploy_perf()
if self.validate_events:
self._validate_events(self.events) self._validate_events(self.events)
self.commands = self._build_commands() self.commands = self._build_commands()