#!/usr/bin/env bpftrace
/*
* syncsnoop Trace sync() variety of syscalls.
* For Linux, uses bpftrace and eBPF.
*
* Also a basic example of bpftrace.
*
* USAGE: syncsnoop.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 sync syscalls... Hit Ctrl-C to end.\n");
printf("%-9s %-6s %-16s %s\n", "TIME", "PID", "COMM", "EVENT");
}
tracepoint:syscalls:sys_enter_sync,
tracepoint:syscalls:sys_enter_syncfs,
tracepoint:syscalls:sys_enter_fsync,
tracepoint:syscalls:sys_enter_fdatasync,
tracepoint:syscalls:sys_enter_sync_file_range*,
tracepoint:syscalls:sys_enter_msync
{
time("%H:%M:%S ");
printf("%-6d %-16s %s\n", pid, comm, probe);
}
Mini Shell