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#!/usr/bin/env bpftrace
/*
* syscount.bt Count system calls.
* For Linux, uses bpftrace, eBPF.
*
* This is a bpftrace version of the bcc tool of the same name.
* The bcc versions translates syscall IDs to their names, and this version
* currently does not. Syscall IDs can be listed by "ausyscall --dump".
*
* Copyright 2018 Netflix, Inc.
* Licensed under the Apache License, Version 2.0 (the "License")
*
* 13-Sep-2018 Brendan Gregg Created this.
*/
BEGIN
{
printf("Counting syscalls... Hit Ctrl-C to end.\n");
// ausyscall --dump | awk 'NR > 1 { printf("\t@sysname[%d] = \"%s\";\n", $1, $2); }'
}
tracepoint:raw_syscalls:sys_enter
{
@syscall[args.id] = count();
@process[comm] = count();
}
END
{
printf("\nTop 10 syscalls IDs:\n");
print(@syscall, 10);
clear(@syscall);
printf("\nTop 10 processes:\n");
print(@process, 10);
clear(@process);
}