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linux/tools/testing/selftests/bpf/progs/test_enable_stats.c

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bpf: Add selftest for BPF_ENABLE_STATS Add test for BPF_ENABLE_STATS, which should enable run_time_ns stats. ~/selftests/bpf# ./test_progs -t enable_stats -v test_enable_stats:PASS:skel_open_and_load 0 nsec test_enable_stats:PASS:get_stats_fd 0 nsec test_enable_stats:PASS:attach_raw_tp 0 nsec test_enable_stats:PASS:get_prog_info 0 nsec test_enable_stats:PASS:check_stats_enabled 0 nsec test_enable_stats:PASS:check_run_cnt_valid 0 nsec Summary: 1/0 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200430071506.1408910-4-songliubraving@fb.com
2020-04-30 00:15:06 -07:00
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Facebook
#include <linux/bpf.h>
#include <stdint.h>
#include <linux/types.h>
#include <bpf/bpf_helpers.h>
char _license[] SEC("license") = "GPL";
__u64 count = 0;
SEC("raw_tracepoint/sys_enter")
int test_enable_stats(void *ctx)
{
count += 1;
return 0;
}
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