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#!/usr/bin/env bpftrace
/*
* bashreadline Print entered bash commands from all running shells.
* For Linux, uses bpftrace and eBPF.
*
* This works by tracing the readline() function using a uretprobe (uprobes).
*
* USAGE: bashreadline.bt
*
* This is a bpftrace version of the bcc tool of the same name.
*
* Copyright 2018 Netflix, Inc.
* Licensed under the Apache License, Version 2.0 (the "License")
*
* 06-Sep-2018 Brendan Gregg Created this.
*/
BEGIN
{
printf("Tracing bash commands... Hit Ctrl-C to end.\n");
printf("%-9s %-6s %s\n", "TIME", "PID", "COMMAND");
}
uretprobe:/bin/bash:readline
{
time("%H:%M:%S ");
printf("%-6d %s\n", pid, str(retval));
}