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[eBPF] Reducing CPU consumption for process events exec/exit #6201

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[eBPF] Reducing CPU consumption for process events exec/exit #6201

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Commits on Apr 23, 2024

  1. [eBPF] Reducing CPU consumption for process events exec/exit 

    Replace `sched_process_fork` with `sys_exit_fork` and `sys_exit_clone` tracepoints because sched_process_fork cannot distinguish between processes and threads, leading to excessive threads being pushed to the upper layer unnecessarily. `sys_exit_fork` and `sys_exit_clone` only push process information.

Use spin locks to protect the process event list instead of thread mutex locks to avoid frequent context switches.
    @yinjiping
    yinjiping committed Apr 23, 2024
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