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#!/usr/bin/env bpftrace /* * swapin - Show swapins by process. * * See BPF Performance Tools, Chapter 7, for an explanation of this tool. * * Copyright (c) 2019 Brendan Gregg. * Licensed under the Apache License, Version 2.0 (the "License"). * This was originally created for the BPF Performance Tools book * published by Addison Wesley. ISBN-13: 9780136554820 * When copying or porting, include this comment. * * 26-Jan-2019 Brendan Gregg Created this. */ kprobe:swap_readpage { @[comm, pid] = count(); } interval:s:1 { time(); print(@); clear(@); }