bpf: add a test case for helper bpf_perf_prog_read_value

The bpf sample program trace_event is enhanced to use the new helper to print out enabled/running time.

Yonghong Song committed 9 years ago

Commit 81b9cf81 parent 4bebdc74 files · +23 −6Browse files

Showing the changes to tools/include/uapi (1 of 4 files). Show all

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@@ -698,7 +698,8 @@ union bpf_attr { · 697 unmodified lines
698	FN(sk_redirect_map), \	698	FN(sk_redirect_map), \
699	FN(sock_map_update), \	699	FN(sock_map_update), \
700	FN(xdp_adjust_meta), \	700	FN(xdp_adjust_meta), \
701	FN(perf_event_read_value),	701	FN(perf_event_read_value), \
		702	FN(perf_prog_read_value),
702		703
703	/* integer value in 'imm' field of BPF_CALL instruction selects which helper	704	/* integer value in 'imm' field of BPF_CALL instruction selects which helper
704	* function eBPF program intends to call	705	* function eBPF program intends to call