| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | // Copyright (c) 2017 Facebook |
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| 3 | |
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| 4 | #include <vmlinux.h> |
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| 5 | #include <bpf/bpf_helpers.h> |
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| 6 | |
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| 7 | /* taken from /sys/kernel/tracing/events/sched/sched_switch/format */ |
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| 8 | struct sched_switch_args { |
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| 9 | unsigned long long pad; |
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| 10 | char prev_comm[TASK_COMM_LEN]; |
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| 11 | int prev_pid; |
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| 12 | int prev_prio; |
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| 13 | long long prev_state; |
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| 14 | char next_comm[TASK_COMM_LEN]; |
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| 15 | int next_pid; |
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| 16 | int next_prio; |
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| 17 | }; |
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| 18 | |
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| 19 | SEC("tracepoint/sched/sched_switch" ) |
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| 20 | int oncpu(struct sched_switch_args *ctx) |
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| 21 | { |
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| 22 | return 0; |
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| 23 | } |
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| 24 | |
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| 25 | char _license[] SEC("license" ) = "GPL" ; |
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| 26 | |
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