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spiermar avatar spiermar commented on September 12, 2024

I'm finally getting back to the project and can take a look after catching up with a few other issues. Generally these kind of issues are related to the pixel filter, set to hide anything smaller than 5px, but I need to take a look first.

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spiermar avatar spiermar commented on September 12, 2024

Problem is in the idle_regex.

flamescope/app/util/regexp.py

Lines 79 to 82 in 74f7553

# idle stack identification. just a regexp for now:
idle_process = re.compile("swapper")
idle_stack = re.compile("(cpuidle|cpu_idle|cpu_bringup_and_idle|native_safe_halt|xen_hypercall_sched_op|xen_hypercall_vcpu_op)")
idle_regexp = re.compile("%s.*%s" % (idle_process.pattern, idle_stack.pattern))

It's filtering a few samples more than the original Perl script. Duplicate of #83

The HPU_ truncation is caused by the frame name "cleaner", that removes parts of frame name to improve the ability to merge frames. If this is a problem for you, please open a ticket asking for an option to disable it in the UI, or submit a PR. Should be simple to implement.

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