forked from Minki/linux
perf test bpf: Use epoll_wait() instead of epoll_pwait()
The prototype for epoll_wait() is available in older distros, so use it instead of epoll_pwait() (removing the last NULL arg, the sigmask, makes it the same thing anyway) to avoid breaking the build. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-pwiwizloxt0jujy8em80qut3@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -31,8 +31,8 @@ struct bpf_map_def SEC("maps") flip_table = {
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.max_entries = 1,
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};
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SEC("func=sys_epoll_pwait")
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int bpf_func__sys_epoll_pwait(void *ctx)
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SEC("func=sys_epoll_wait")
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int bpf_func__sys_epoll_wait(void *ctx)
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{
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int ind =0;
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int *flag = bpf_map_lookup_elem(&flip_table, &ind);
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@ -13,13 +13,13 @@
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#ifdef HAVE_LIBBPF_SUPPORT
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static int epoll_pwait_loop(void)
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static int epoll_wait_loop(void)
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{
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int i;
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/* Should fail NR_ITERS times */
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for (i = 0; i < NR_ITERS; i++)
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epoll_pwait(-(i + 1), NULL, 0, 0, NULL);
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epoll_wait(-(i + 1), NULL, 0, 0);
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return 0;
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}
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@ -61,7 +61,7 @@ static struct {
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"[basic_bpf_test]",
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"fix 'perf test LLVM' first",
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"load bpf object failed",
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&epoll_pwait_loop,
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&epoll_wait_loop,
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(NR_ITERS + 1) / 2,
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},
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#ifdef HAVE_BPF_PROLOGUE
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