scx_utils: Fix the failure in tracepoint_exists() in some kernel configs.#1483
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multics69 merged 1 commit intosched-ext:mainfrom Mar 10, 2025
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…igs. tracepoint_exists() assumed that "/sys/kernel/tracing/available_events" always exists, which is not true in some kernel configurations. So let's check both "/sys/kernel/tracing/available_events" and "/sys/kernel/debug/tracing/available_events". This fixes the following issue: sched-ext#1482 Signed-off-by: Changwoo Min <changwoo@igalia.com>
This was referenced Mar 10, 2025
arighi
approved these changes
Mar 10, 2025
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Can we get this backported/made into a hotfix release since this bug makes |
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@JohnRTitor -- It seems okay in other distros (like CachyOS, Gentoo). Is there any way to include the fix in the nix package (I have almost zero knowledge on the nix packaging)? |
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Done, thanks. We also enabled |
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tracepoint_exists() assumed that "/sys/kernel/tracing/available_events" always exists, which is not true in some kernel configurations. So let's check both "/sys/kernel/tracing/available_events" and "/sys/kernel/debug/tracing/available_events".
This fixes the following issue:
#1482