utils: perf: Catch another case of perf permissions error #353
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[17:21:12] Couldn't create the Java profiler, continuing without it Traceback (most recent call last): File "gprofiler/profilers/factory.py", line 41, in get_profilers File "gprofiler/profilers/java.py", line 637, in __init__ File "gprofiler/profilers/java.py", line 654, in _init_ap_mode File "gprofiler/utils/perf.py", line 19, in can_i_use_perf_events File "gprofiler/utils/__init__.py", line 265, in run_process gprofiler.exceptions.CalledProcessError: Command '['/tmp/_MEIYxgsVy/gprofiler/resources/perf', 'record', '-o', '/dev/null', '--', '/bin/true']' returned non-zero exit status 255. stdout: b'' stderr: b'Permission error mapping pages.\nConsider increasing /proc/sys/kernel/perf_event_mlock_kb,\nor try again with a smaller value of -m/--mmap_pages.\n(current value: 4294967295,0)\n'
Contributor
What about changing it to |
Contributor
Author
Yes, let's do that |
adi-benz
suggested changes
May 2, 2022
adi-benz
approved these changes
May 2, 2022
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I don't know, maybe it's just best to catch all errors and treat them as "False" instead of failing the
JavaProfilercompletely. On the other hand, that might hide real errors. Well, keeping it this way for now.