SYS_ACCT(9) Accounting Framework SYS_ACCT(9)NAME
sys_acct - enable/disable process accounting
long sys_acct(const char __user * name);
file name for accounting records or NULL to shutdown accounting
Returns 0 for success or negative errno values for failure.
sys_acct is the only system call needed to implement process accounting. It takes the name of the file where accounting records should be
written. If the filename is NULL, accounting will be shutdown.
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ACCT(2) Linux Programmer's Manual ACCT(2)NAME
acct - switch process accounting on or off
int acct(const char *filename);
When called with the name of an existing file as argument, accounting is turned on, records for each terminating process are appended to
filename as it terminates. An argument of NULL causes accounting to be turned off.
On success, zero is returned. On error, -1 is returned, and errno is set appropriately.
EACCES Write permission is denied for the specified file.
EACCES The argument filename is not a regular file.
EFAULT filename points outside your accessible address space.
EIO Error writing to the file filename.
EISDIR filename is a directory.
ELOOP Too many symbolic links were encountered in resolving filename.
filename was too long.
ENOENT The specified filename does not exist.
ENOMEM Out of memory.
ENOSYS BSD process accounting has not been enabled when the operating system kernel was compiled. The kernel configuration parameter con-
trolling this feature is CONFIG_BSD_PROCESS_ACCT.
A component used as a directory in filename is not in fact a directory.
EPERM The calling process has no permission to enable process accounting.
EROFS filename refers to a file on a read-only file system.
EUSERS There are no more free file structures or we ran out of memory.
SVr4 (but not POSIX). SVr4 documents an EBUSY error condition, but no EISDIR or ENOSYS. Also AIX and HPUX document EBUSY (attempt is made
to enable accounting when it is already enabled), as does Solaris (attempt is made to enable accounting using the same file that is cur-
rently being used).
No accounting is produced for programs running when a crash occurs. In particular, nonterminating processes are never accounted for.
Linux 2.1.126 1998-11-04 ACCT(2)