selftest/bpf: Test a perf BPF program that suppresses side effects

The test sets a hardware breakpoint and uses a BPF program to suppress the
side effects of a perf event sample, including I/O availability signals,
SIGTRAPs, and decrementing the event counter limit, if the IP matches the
expected value. Then the function with the breakpoint is executed multiple
times to test that all effects behave as expected.

Signed-off-by: Kyle Huey <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Song Liu <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Acked-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

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