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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(@);
}