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added tgid support plus miscellaneous cleanup

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ps
   . added tgid support
   . made process/task naming consistent
 top
   . added tgid support
   . standardized pid related width logic
 documents
   . added tgid to ps & top man documents
 library
   . fixed OOMEM_ENABLE readtask bug
   . corrected header typo for tgid
This commit is contained in:
Craig Small
2011-08-17 21:01:35 +10:00
parent bb4f08ba29
commit 0e6ac0db3e
7 changed files with 108 additions and 56 deletions
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63
ps/output.c
View File

@ -100,7 +100,7 @@ static int sr_ ## NAME (const proc_t* P, const proc_t* Q) { \
return 0; \
}
/* fast version, for values which either:
/* fast versions, for values which either:
* a. differ by no more than 0x7fffffff
* b. only need to be grouped same w/ same
*/
@ -108,6 +108,10 @@ static int sr_ ## NAME (const proc_t* P, const proc_t* Q) { \
static int sr_ ## NAME (const proc_t* P, const proc_t* Q) { \
return (int)(P->NAME) - (int)(Q->NAME); \
}
#define CMP_SMALL2(NAME,WHAT) \
static int sr_ ## NAME (const proc_t* P, const proc_t* Q) { \
return (int)(P->WHAT) - (int)(Q->WHAT); \
}
CMP_INT(rtprio)
CMP_SMALL(sched)
@ -172,8 +176,8 @@ CMP_INT(suid)
CMP_INT(sgid)
CMP_INT(fuid)
CMP_INT(fgid)
CMP_SMALL(tid)
CMP_SMALL(tgid)
CMP_SMALL2(procs,tgid)
CMP_SMALL2(tasks,tid)
CMP_SMALL(ppid)
CMP_SMALL(pgrp)
CMP_SMALL(session)
@ -337,14 +341,12 @@ Modifications to the arguments are not shown.
* ( determinations are made in display.c, we mostly deal with results ) */
static int pr_args(char *restrict const outbuf, const proc_t *restrict const pp){
char *endp = outbuf;
unsigned flags;
int rightward=max_rightward;
int rightward = max_rightward;
int fh = forest_helper(outbuf);
endp += fh;
rightward -= fh;
if(forest_prefix){
int fh = forest_helper(outbuf);
endp += fh;
rightward -= fh;
}
if(pp->cmdline && !bsd_c_option)
endp += escaped_copy(endp, *pp->cmdline, OUTBUF_SIZE, &rightward);
else
@ -363,14 +365,12 @@ static int pr_args(char *restrict const outbuf, const proc_t *restrict const pp)
* ( determinations are made in display.c, we mostly deal with results ) */
static int pr_comm(char *restrict const outbuf, const proc_t *restrict const pp){
char *endp = outbuf;
unsigned flags;
int rightward=max_rightward;
int rightward = max_rightward;
int fh = forest_helper(outbuf);
endp += fh;
rightward -= fh;
if(forest_prefix){
int fh = forest_helper(outbuf);
endp += fh;
rightward -= fh;
}
if(pp->cmdline && unix_f_option)
endp += escaped_copy(endp, *pp->cmdline, OUTBUF_SIZE, &rightward);
else
@ -398,12 +398,11 @@ static int pr_cgroup(char *restrict const outbuf,const proc_t *restrict const pp
static int pr_fname(char *restrict const outbuf, const proc_t *restrict const pp){
char *endp = outbuf;
int rightward = max_rightward;
int fh = forest_helper(outbuf);
endp += fh;
rightward -= fh;
if(forest_prefix){
int fh = forest_helper(outbuf);
endp += fh;
rightward -= fh;
}
if (rightward>8) /* 8=default, but forest maybe feeds more */
rightward = 8;
@ -472,9 +471,6 @@ static int pr_cp(char *restrict const outbuf, const proc_t *restrict const pp){
static int pr_pgid(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%u", pp->pgrp);
}
static int pr_pid(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%u", pp->tgid);
}
static int pr_ppid(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%u", pp->ppid);
}
@ -1085,8 +1081,12 @@ static int pr_sgroup(char *restrict const outbuf, const proc_t *restrict const p
//////////////////////////////////////////////////////////////////////////////////
// TID tid LWP lwp SPID spid
static int pr_thread(char *restrict const outbuf, const proc_t *restrict const pp){
// PID pid, TGID tgid
static int pr_procs(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%u", pp->tgid);
}
// LWP lwp, SPID spid, TID tid
static int pr_tasks(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%u", pp->tid);
}
// thcount THCNT
@ -1378,7 +1378,7 @@ static const format_struct format_array[] = {
{"lstart", "STARTED", pr_lstart, sr_nop, 24, 0, XXX, ET|RIGHT},
{"luid", "LUID", pr_nop, sr_nop, 5, 0, LNX, ET|RIGHT}, /* login ID */
{"luser", "LUSER", pr_nop, sr_nop, 8, USR, LNX, ET|USER}, /* login USER */
{"lwp", "LWP", pr_thread, sr_tid, 5, 0, SUN, TO|PIDMAX|RIGHT},
{"lwp", "LWP", pr_tasks, sr_tasks, 5, 0, SUN, TO|PIDMAX|RIGHT},
{"m_drs", "DRS", pr_drs, sr_drs, 5, MEM, LNx, PO|RIGHT},
{"m_dt", "DT", pr_nop, sr_dt, 4, MEM, LNx, PO|RIGHT},
{"m_lrs", "LRS", pr_nop, sr_lrs, 5, MEM, LNx, PO|RIGHT},
@ -1414,7 +1414,7 @@ static const format_struct format_array[] = {
{"pending", "PENDING", pr_sig, sr_nop, 9, 0, BSD, ET|SIGNAL}, /*sig*/
{"pgid", "PGID", pr_pgid, sr_pgrp, 5, 0, U98, PO|PIDMAX|RIGHT},
{"pgrp", "PGRP", pr_pgid, sr_pgrp, 5, 0, LNX, PO|PIDMAX|RIGHT},
{"pid", "PID", pr_pid, sr_tgid, 5, 0, U98, PO|PIDMAX|RIGHT},
{"pid", "PID", pr_procs, sr_procs, 5, 0, U98, PO|PIDMAX|RIGHT},
{"pmem", "%MEM", pr_pmem, sr_nop, 4, 0, XXX, PO|RIGHT}, /*%mem*/
{"poip", "-", pr_nop, sr_nop, 1, 0, BSD, AN|RIGHT},
{"policy", "POL", pr_class, sr_sched, 3, 0, DEC, TO|LEFT},
@ -1465,7 +1465,7 @@ static const format_struct format_array[] = {
{"sigmask", "BLOCKED", pr_sigmask, sr_nop, 9, 0, XXX, TO|SIGNAL}, /*blocked*/
{"size", "SZ", pr_swapable, sr_swapable, 5, 0, SCO, PO|RIGHT},
{"sl", "SL", pr_nop, sr_nop, 3, 0, XXX, AN|RIGHT},
{"spid", "SPID", pr_thread, sr_tid, 5, 0, SGI, TO|PIDMAX|RIGHT},
{"spid", "SPID", pr_tasks, sr_tasks, 5, 0, SGI, TO|PIDMAX|RIGHT},
{"stackp", "STACKP", pr_stackp, sr_start_stack, 8, 0, LNX, PO|RIGHT}, /*start_stack*/
{"start", "STARTED", pr_start, sr_nop, 8, 0, XXX, ET|RIGHT},
{"start_code", "S_CODE", pr_nop, sr_start_code, 8, 0, LNx, PO|RIGHT},
@ -1488,7 +1488,8 @@ static const format_struct format_array[] = {
{"taskid", "TASKID", pr_nop, sr_nop, 5, 0, SUN, TO|PIDMAX|RIGHT}, // is this a thread ID?
{"tdev", "TDEV", pr_nop, sr_nop, 4, 0, XXX, AN|RIGHT},
{"thcount", "THCNT", pr_nlwp, sr_nlwp, 5, 0, AIX, PO|RIGHT},
{"tid", "TID", pr_thread, sr_tid, 5, 0, AIX, TO|PIDMAX|RIGHT},
{"tgid", "TGID", pr_procs, sr_procs, 5, 0, LNX, PO|PIDMAX|RIGHT},
{"tid", "TID", pr_tasks, sr_tasks, 5, 0, AIX, TO|PIDMAX|RIGHT},
{"time", "TIME", pr_time, sr_nop, 8, 0, U98, ET|RIGHT}, /*cputime*/ /* was 6 wide */
{"timeout", "TMOUT", pr_nop, sr_nop, 5, 0, LNX, AN|RIGHT}, // 2.0.xx era
{"tmout", "TMOUT", pr_nop, sr_nop, 5, 0, LNX, AN|RIGHT}, // 2.0.xx era

22
ps/ps.1
View File

@ -147,7 +147,7 @@ To see every process with a user\-defined format:
.br
.B ps\ axo\ stat,euid,ruid,tty,tpgid,sess,pgrp,ppid,pid,pcpu,comm
.br
.B ps\ \-eopid,tt,user,fname,tmout,f,wchan
.B ps\ \-Ao\ pid,tt,user,fname,tmout,f,wchan
.TP
Print only the process IDs of syslogd:
.B ps\ \-C\ syslogd\ \-o\ pid=
@ -1087,8 +1087,9 @@ See also \fBbsdstart\fR, \fBstart\fR, \fBstart_time\fR, and \fBstime\fR.
T}
lwp LWP T{
lwp (light weight process, or thread) ID of the lwp being reported.
light weight process (thread) ID of the dispatchable entity
(alias\ \fBspid\fR,\ \fBtid\fR).
See \fBtid\fR for additional information.
T}
maj_flt MAJFLT T{
@ -1140,7 +1141,8 @@ see\ \fBpgid\fR. (alias\ \fBpgid\fR).
T}
pid PID T{
process\ ID number of the process.
a number representing the process ID
(alias\ \fBtgid\fR).
T}
pmem %MEM T{
@ -1355,13 +1357,25 @@ Device mappings are currently excluded; this is subject to change.
See \fBvsz\fR and \fBrss\fR.
T}
tgid TGID T{
a number representing the thread group to which a task
belongs (alias\ \fBpid\fR).
It is the process ID of the thread group leader.
T}
thcount THCNT T{
see \fBnlwp\fR. (alias\ \fBnlwp\fR).
number of kernel threads owned by the process.
T}
tid TID T{
see\ \fBlwp\fR. (alias\ \fBlwp\fR).
the unique number representing a dispatacable entity
(alias\ \fBlwp\fR,\ \fBspid\fR).
This value may also appear as: a process ID (pid);
a process group ID (pgrp);
a session ID for the session leader (sid);
a thread group ID for the thread group leader (tgid);
and a tty process group ID for the process group leader (tpgid).
T}
time TIME T{