bperf: Do not use BPF_CORE_READ #196
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Summary: Use direct BTF access to be faster. We need bpf_rdonly_cast() here, to cast "struct cgroup_subsys_state *" to "struct cgroup *" Reviewed By: anakryiko Differential Revision: D51837046
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This pull request was exported from Phabricator. Differential Revision: D51837046 |
Summary: While we still need read perf events for all the context switch, we can skip cgroup walking for idle task. Reviewed By: anakryiko Differential Revision: D51837045
Summary: Use direct BTF access to be faster. We need bpf_rdonly_cast() here, to cast "struct cgroup_subsys_state *" to "struct cgroup *" Reviewed By: anakryiko Differential Revision: D51837046
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Summary: Use direct BTF access to be faster. We need bpf_rdonly_cast() here, to cast "struct cgroup_subsys_state *" to "struct cgroup *" Reviewed By: anakryiko Differential Revision: D51837046
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Summary:
Use direct BTF access to be faster.
We need bpf_rdonly_cast() here, to cast "struct cgroup_subsys_state *"
to "struct cgroup *"
Reviewed By: anakryiko
Differential Revision: D51837046