/*
* Write out process accounting information, on process exit.
* Data to be written out is specified in Leffler, et al.
* and are enumerated below. (They're also noted in the system
* "acct.h" header file.)
*/
int
acct_process(struct proc *p)
{
struct acct acct;
struct process *pr = p->p_p;
struct rusage *r;
struct timespec ut, st, tmp;
int t;
struct vnode *vp;
int error;
/* If accounting isn't enabled, don't bother */
vp = acctp;
if (vp == NULL)
return (0);
/*
* Get process accounting information.
*/
/* (1) The name of the command that ran */
memcpy(acct.ac_comm, p->p_comm, sizeof acct.ac_comm);
/* (2) The amount of user and system time that was used */
calctsru(&pr->ps_tu, &ut, &st, NULL);
acct.ac_utime = encode_comp_t(ut.tv_sec, ut.tv_nsec);
acct.ac_stime = encode_comp_t(st.tv_sec, st.tv_nsec);
/* (3) The elapsed time the command ran (and its starting time) */
acct.ac_btime = pr->ps_start.tv_sec;
getnanotime(&tmp);
timespecsub(&tmp, &pr->ps_start, &tmp);
acct.ac_etime = encode_comp_t(tmp.tv_sec, tmp.tv_nsec);
/* (4) The average amount of memory used */
r = &p->p_ru;
timespecadd(&ut, &st, &tmp);
t = tmp.tv_sec * hz + tmp.tv_nsec / (1000 * tick);
if (t)
acct.ac_mem = (r->ru_ixrss + r->ru_idrss + r->ru_isrss) / t;
else
acct.ac_mem = 0;
/* (5) The number of disk I/O operations done */
acct.ac_io = encode_comp_t(r->ru_inblock + r->ru_oublock, 0);
/* (6) The UID and GID of the process */
acct.ac_uid = pr->ps_ucred->cr_ruid;
acct.ac_gid = pr->ps_ucred->cr_rgid;
/* (7) The terminal from which the process was started */
if ((pr->ps_flags & PS_CONTROLT) &&
pr->ps_pgrp->pg_session->s_ttyp)
acct.ac_tty = pr->ps_pgrp->pg_session->s_ttyp->t_dev;
else
acct.ac_tty = NODEV;
/* (8) The boolean flags that tell how the process terminated, etc. */
acct.ac_flag = pr->ps_acflag;
/*
* Now, just write the accounting information to the file.
*/
error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&acct, sizeof (acct),
(off_t)0, UIO_SYSSPACE, IO_APPEND|IO_UNIT|IO_NOLIMIT,
p->p_ucred, NULL, p);
return error;
}
/*
* Write out process accounting information, on process exit.
* Data to be written out is specified in Leffler, et al.
* and are enumerated below. (They're also noted in the system
* "acct.h" header file.)
*/
int
acct_process(struct proc *p)
{
struct acct acct;
struct process *pr = p->p_p;
struct rusage *r;
struct timeval ut, st, tmp;
int t;
struct vnode *vp;
struct plimit *oplim = NULL;
int error;
/* If accounting isn't enabled, don't bother */
vp = acctp;
if (vp == NULL)
return (0);
/*
* Raise the file limit so that accounting can't be stopped by the
* user. (XXX - we should think about the cpu limit too).
*/
if (pr->ps_limit->p_refcnt > 1) {
oplim = pr->ps_limit;
pr->ps_limit = limcopy(pr->ps_limit);
}
p->p_rlimit[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY;
/*
* Get process accounting information.
*/
/* (1) The name of the command that ran */
bcopy(p->p_comm, acct.ac_comm, sizeof acct.ac_comm);
/* (2) The amount of user and system time that was used */
calcru(&pr->ps_tu, &ut, &st, NULL);
acct.ac_utime = encode_comp_t(ut.tv_sec, ut.tv_usec);
acct.ac_stime = encode_comp_t(st.tv_sec, st.tv_usec);
/* (3) The elapsed time the command ran (and its starting time) */
acct.ac_btime = pr->ps_start.tv_sec;
getmicrotime(&tmp);
timersub(&tmp, &pr->ps_start, &tmp);
acct.ac_etime = encode_comp_t(tmp.tv_sec, tmp.tv_usec);
/* (4) The average amount of memory used */
r = &p->p_ru;
timeradd(&ut, &st, &tmp);
t = tmp.tv_sec * hz + tmp.tv_usec / tick;
if (t)
acct.ac_mem = (r->ru_ixrss + r->ru_idrss + r->ru_isrss) / t;
else
acct.ac_mem = 0;
/* (5) The number of disk I/O operations done */
acct.ac_io = encode_comp_t(r->ru_inblock + r->ru_oublock, 0);
/* (6) The UID and GID of the process */
acct.ac_uid = p->p_cred->p_ruid;
acct.ac_gid = p->p_cred->p_rgid;
/* (7) The terminal from which the process was started */
if ((pr->ps_flags & PS_CONTROLT) &&
pr->ps_pgrp->pg_session->s_ttyp)
acct.ac_tty = pr->ps_pgrp->pg_session->s_ttyp->t_dev;
else
acct.ac_tty = NODEV;
/* (8) The boolean flags that tell how the process terminated, etc. */
acct.ac_flag = pr->ps_acflag;
/*
* Now, just write the accounting information to the file.
*/
error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&acct, sizeof (acct),
(off_t)0, UIO_SYSSPACE, IO_APPEND|IO_UNIT, p->p_ucred, NULL, p);
if (oplim) {
limfree(pr->ps_limit);
pr->ps_limit = oplim;
}
return error;
}
/*
* Write out process accounting information, on process exit.
* Data to be written out is specified in Leffler, et al.
* and are enumerated below. (They're also noted in the system
* "acct.h" header file.)
*/
int
acct_process(proc_t p)
{
struct acct an_acct;
struct rusage rup, *r;
struct timeval ut, st, tmp;
int t;
int error;
struct vnode *vp;
kauth_cred_t safecred;
struct session * sessp;
boolean_t fstate;
/* If accounting isn't enabled, don't bother */
vp = acctp;
if (vp == NULLVP)
return (0);
/*
* Get process accounting information.
*/
/* (1) The name of the command that ran */
bcopy(p->p_comm, an_acct.ac_comm, sizeof an_acct.ac_comm);
/* (2) The amount of user and system time that was used */
calcru(p, &ut, &st, NULL);
an_acct.ac_utime = encode_comp_t(ut.tv_sec, ut.tv_usec);
an_acct.ac_stime = encode_comp_t(st.tv_sec, st.tv_usec);
/* (3) The elapsed time the commmand ran (and its starting time) */
an_acct.ac_btime = p->p_start.tv_sec;
microtime(&tmp);
timevalsub(&tmp, &p->p_start);
an_acct.ac_etime = encode_comp_t(tmp.tv_sec, tmp.tv_usec);
/* (4) The average amount of memory used */
proc_lock(p);
rup = p->p_stats->p_ru;
proc_unlock(p);
r = &rup;
tmp = ut;
timevaladd(&tmp, &st);
t = tmp.tv_sec * hz + tmp.tv_usec / tick;
if (t)
an_acct.ac_mem = (r->ru_ixrss + r->ru_idrss + r->ru_isrss) / t;
else
an_acct.ac_mem = 0;
/* (5) The number of disk I/O operations done */
an_acct.ac_io = encode_comp_t(r->ru_inblock + r->ru_oublock, 0);
/* (6) The UID and GID of the process */
safecred = kauth_cred_proc_ref(p);
an_acct.ac_uid = safecred->cr_ruid;
an_acct.ac_gid = safecred->cr_rgid;
/* (7) The terminal from which the process was started */
sessp = proc_session(p);
if ((p->p_flag & P_CONTROLT) && (sessp != SESSION_NULL) && (sessp->s_ttyp != TTY_NULL)) {
fstate = thread_funnel_set(kernel_flock, TRUE);
an_acct.ac_tty = sessp->s_ttyp->t_dev;
(void) thread_funnel_set(kernel_flock, fstate);
}else
an_acct.ac_tty = NODEV;
if (sessp != SESSION_NULL)
session_rele(sessp);
/* (8) The boolean flags that tell how the process terminated, etc. */
an_acct.ac_flag = p->p_acflag;
/*
* Now, just write the accounting information to the file.
*/
if ((error = vnode_getwithref(vp)) == 0) {
error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&an_acct, sizeof (an_acct),
(off_t)0, UIO_SYSSPACE32, IO_APPEND|IO_UNIT, safecred,
(int *)0, p);
vnode_put(vp);
}
kauth_cred_unref(&safecred);
return (error);
}
