Commit 24592ad1 authored by Toke Høiland-Jørgensen's avatar Toke Høiland-Jørgensen Committed by Alexei Starovoitov
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libbpf: Support batch_size option to bpf_prog_test_run 



Add support for setting the new batch_size parameter to BPF_PROG_TEST_RUN
to libbpf; just add it as an option and pass it through to the kernel.

Signed-off-by: default avatarToke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Acked-by: default avatarMartin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20220309105346.100053-4-toke@redhat.com
parent 1a7551f1

tools/lib/bpf/bpf.c

+1 −0
Original line number Diff line number Diff line
@@ -995,6 +995,7 @@ int bpf_prog_test_run_opts(int prog_fd, struct bpf_test_run_opts *opts) 


	memset(&attr, 0, sizeof(attr));

	attr.test.prog_fd = prog_fd;

	attr.test.batch_size = OPTS_GET(opts, batch_size, 0);

	attr.test.cpu = OPTS_GET(opts, cpu, 0);

	attr.test.flags = OPTS_GET(opts, flags, 0);

	attr.test.repeat = OPTS_GET(opts, repeat, 0);

tools/lib/bpf/bpf.h

+2 −1
Original line number Diff line number Diff line
@@ -512,8 +512,9 @@ struct bpf_test_run_opts { 
	__u32 duration;      /* out: average per repetition in ns */

	__u32 flags;

	__u32 cpu;

	__u32 batch_size;

};

#define bpf_test_run_opts__last_field cpu

#define bpf_test_run_opts__last_field batch_size



LIBBPF_API int bpf_prog_test_run_opts(int prog_fd,

				      struct bpf_test_run_opts *opts);