[src/trunk]: src/bin/ps Restore maxrss, idrss, isrss, ixrss printing in ps(1)

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3460b96346ab
branches:  trunk
changeset: 1002567:3460b96346ab
user:      kamil <kamil%NetBSD.org@localhost>
date:      Tue Aug 06 18:07:51 2019 +0000

description:
Restore maxrss, idrss, isrss, ixrss printing in ps(1)

The RSS related statistics are now back in the NetBSD kernel.

These values were disabled since day0 until today.

libkvm(3) users will still receive inappropriate values as RSS statistics
are updated upon sysctl(3) call.

Patch submitted by <Krzysztof Lasocki>

diffstat:

 bin/ps/keyword.c |  15 ++++++---------
 bin/ps/ps.1      |  14 ++++++++++++--
 2 files changed, 18 insertions(+), 11 deletions(-)

diffs (102 lines):

diff -r 7720b70ccdfb -r 3460b96346ab bin/ps/keyword.c
--- a/bin/ps/keyword.c  Tue Aug 06 15:48:18 2019 +0000
+++ b/bin/ps/keyword.c  Tue Aug 06 18:07:51 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: keyword.c,v 1.56 2018/04/11 18:52:05 christos Exp $    */
+/*     $NetBSD: keyword.c,v 1.57 2019/08/06 18:07:51 kamil Exp $       */
 
 /*-
  * Copyright (c) 1990, 1993, 1994
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)keyword.c  8.5 (Berkeley) 4/2/94";
 #else
-__RCSID("$NetBSD: keyword.c,v 1.56 2018/04/11 18:52:05 christos Exp $");
+__RCSID("$NetBSD: keyword.c,v 1.57 2019/08/06 18:07:51 kamil Exp $");
 #endif
 #endif /* not lint */
 
@@ -60,13 +60,6 @@
 static VAR *findvar(const char *);
 static int  vcmp(const void *, const void *);
 
-#if 0  /* kernel doesn't calculate these */
-       PUVAR("idrss", "IDRSS", 0, p_uru_idrss, UINT64, PRIu64),
-       PUVAR("isrss", "ISRSS", 0, p_uru_isrss, UINT64, PRId64),
-       PUVAR("ixrss", "IXRSS", 0, p_uru_ixrss, UINT64, PRId64),
-       PUVAR("maxrss", "MAXRSS", 0, p_uru_maxrss, UINT64, PRIu64),
-#endif
-
 /* Compute offset in common structures. */
 #define        POFF(x) offsetof(struct kinfo_proc2, x)
 #define        LOFF(x) offsetof(struct kinfo_lwp, x)
@@ -135,9 +128,12 @@
        VAR4("groups", "GROUPS", LJUST, groups),
        /* holdcnt: unused, left for compat. */
        LVAR("holdcnt", "HOLDCNT", 0, l_holdcnt, INT, "d"),
+       PUVAR("idrss", "IDRSS", 0, p_uru_idrss, UINT64, PRIu64),
        VAR3("ignored", "sigignore", ALIAS),
        PUVAR("inblk", "INBLK", 0, p_uru_inblock, UINT64, PRIu64),
        VAR3("inblock", "inblk", ALIAS),
+       PUVAR("isrss", "ISRSS", 0, p_uru_isrss, UINT64, PRId64),
+       PUVAR("ixrss", "IXRSS", 0, p_uru_ixrss, UINT64, PRId64),
        PVAR("jobc", "JOBC", 0, p_jobc, SHORT, "d"),
        PVAR("ktrace", "KTRACE", 0, p_traceflag, INT, "x"),
 /*XXX*/        PVAR("ktracep", "KTRACEP", 0, p_tracep, KPTR, PRIx64),
@@ -151,6 +147,7 @@
        VAR4("lstate", "STAT", LJUST|LWP, lstate),
        VAR6("ltime", "LTIME", LWP, lcputime, 0, CPUTIME),
        PUVAR("majflt", "MAJFLT", 0, p_uru_majflt, UINT64, PRIu64),
+       PUVAR("maxrss", "MAXRSS", 0, p_uru_maxrss, UINT64, PRIu64),
        PUVAR("minflt", "MINFLT", 0, p_uru_minflt, UINT64, PRIu64),
        PUVAR("msgrcv", "MSGRCV", 0, p_uru_msgrcv, UINT64, PRIu64),
        PUVAR("msgsnd", "MSGSND", 0, p_uru_msgsnd, UINT64, PRIu64),
diff -r 7720b70ccdfb -r 3460b96346ab bin/ps/ps.1
--- a/bin/ps/ps.1       Tue Aug 06 15:48:18 2019 +0000
+++ b/bin/ps/ps.1       Tue Aug 06 18:07:51 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: ps.1,v 1.109 2017/08/28 05:57:37 wiz Exp $
+.\"    $NetBSD: ps.1,v 1.110 2019/08/06 18:07:51 kamil Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1991, 1993, 1994
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)ps.1       8.3 (Berkeley) 4/18/94
 .\"
-.Dd August 28, 2017
+.Dd August 6, 2019
 .Dt PS 1
 .Os
 .Sh NAME
@@ -316,6 +316,8 @@
 .Dq \&%c
 format described in
 .Xr strftime 3 .
+.It Ar maxrss
+the maxiumum resident set size of the process (in 1024 byte units).
 .It Ar nice
 The process scheduling increment (see
 .Xr setpriority 2 ) .
@@ -513,6 +515,12 @@
 group names (from group access list)
 .It Ar groups
 group access list
+.It Ar idrss
+integral unshared data
+.It Ar isrss
+integral unshared stack
+.It Ar ixrss
+integral shared memory size
 .It Ar inblk
 total blocks read (alias
 .Ar inblock )
@@ -543,6 +551,8 @@
 CPU time of the LWP
 .It Ar majflt
 total page faults
+.It Ar maxrss
+maximum resident set size
 .It Ar minflt
 total page reclaims
 .It Ar msgrcv