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[src/trunk]: src Fix ps(1) and top(1) to show reasonable CPU numbers i.e. cpu...



details:   https://anonhg.NetBSD.org/src/rev/1e3784a1c2b2
branches:  trunk
changeset: 755280:1e3784a1c2b2
user:      rmind <rmind%NetBSD.org@localhost>
date:      Mon May 31 03:18:33 2010 +0000

description:
Fix ps(1) and top(1) to show reasonable CPU numbers i.e. cpu_index() provided
by the kernel, instead of CPU order number, which is generally random.

diffstat:

 bin/ps/extern.h                          |   3 +-
 bin/ps/print.c                           |  41 ++-----------------------------
 bin/ps/ps.c                              |   6 +---
 external/bsd/top/dist/machine/m_netbsd.c |  37 +++++-----------------------
 4 files changed, 13 insertions(+), 74 deletions(-)

diffs (217 lines):

diff -r e29c6b67b149 -r 1e3784a1c2b2 bin/ps/extern.h
--- a/bin/ps/extern.h   Mon May 31 03:16:47 2010 +0000
+++ b/bin/ps/extern.h   Mon May 31 03:18:33 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: extern.h,v 1.32 2008/02/10 17:47:59 christos Exp $     */
+/*     $NetBSD: extern.h,v 1.33 2010/05/31 03:18:33 rmind Exp $        */
 
 /*-
  * Copyright (c) 1991, 1993, 1994
@@ -83,7 +83,6 @@
 void    rgname(void *, VARENT *, int);
 void    rssize(void *, VARENT *, int);
 void    runame(void *, VARENT *, int);
-void    setncpu(void);
 void    showkey(void);
 void    started(void *, VARENT *, int);
 void    state(void *, VARENT *, int);
diff -r e29c6b67b149 -r 1e3784a1c2b2 bin/ps/print.c
--- a/bin/ps/print.c    Mon May 31 03:16:47 2010 +0000
+++ b/bin/ps/print.c    Mon May 31 03:18:33 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: print.c,v 1.112 2009/10/21 21:11:57 rmind Exp $        */
+/*     $NetBSD: print.c,v 1.113 2010/05/31 03:18:33 rmind Exp $        */
 
 /*
  * Copyright (c) 2000, 2007 The NetBSD Foundation, Inc.
@@ -63,7 +63,7 @@
 #if 0
 static char sccsid[] = "@(#)print.c    8.6 (Berkeley) 4/16/94";
 #else
-__RCSID("$NetBSD: print.c,v 1.112 2009/10/21 21:11:57 rmind Exp $");
+__RCSID("$NetBSD: print.c,v 1.113 2010/05/31 03:18:33 rmind Exp $");
 #endif
 #endif /* not lint */
 
@@ -101,8 +101,6 @@
 static void  strprintorsetwidth(VAR *, const char *, int);
 
 static time_t now;
-static int ncpu;
-static u_int64_t *cp_id;
 
 #define        min(a,b)        ((a) <= (b) ? (a) : (b))
 
@@ -999,39 +997,6 @@
 }
 
 void
-setncpu(void)
-{
-       int mib[2];
-       size_t size;
-
-       mib[0] = CTL_HW;
-       mib[1] = HW_NCPU;
-       size = sizeof(ncpu);
-       if (sysctl(mib, 2, &ncpu, &size, NULL, 0) == -1) {
-               ncpu = 0;
-               return;
-       }
-       cp_id = malloc(sizeof(cp_id[0]) * ncpu);
-       if (cp_id == NULL)
-               err(1, NULL);
-       mib[0] = CTL_KERN;
-       mib[1] = KERN_CP_ID;
-       size = sizeof(cp_id[0]) * ncpu;
-       if (sysctl(mib, 2, cp_id, &size, NULL, 0) == -1)
-               ncpu = 0;
-}
-
-static int
-get_cpunum(u_int64_t id)
-{
-       int i = 0;
-       for (i = 0; i < ncpu; i++)
-               if (id == cp_id[i])
-                       return i;
-       return -1;
-}
-
-void
 cpuid(void *arg, VARENT *ve, int mode)
 {
        struct kinfo_lwp *l;
@@ -1039,7 +1004,7 @@
 
        l = arg;
        v = ve->var;
-       intprintorsetwidth(v, get_cpunum(l->l_cpuid), mode);
+       intprintorsetwidth(v, l->l_cpuid, mode);
 }
 
 void
diff -r e29c6b67b149 -r 1e3784a1c2b2 bin/ps/ps.c
--- a/bin/ps/ps.c       Mon May 31 03:16:47 2010 +0000
+++ b/bin/ps/ps.c       Mon May 31 03:18:33 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ps.c,v 1.74 2009/03/29 01:02:49 mrg Exp $      */
+/*     $NetBSD: ps.c,v 1.75 2010/05/31 03:18:33 rmind Exp $    */
 
 /*
  * Copyright (c) 2000-2008 The NetBSD Foundation, Inc.
@@ -68,7 +68,7 @@
 #if 0
 static char sccsid[] = "@(#)ps.c       8.4 (Berkeley) 4/2/94";
 #else
-__RCSID("$NetBSD: ps.c,v 1.74 2009/03/29 01:02:49 mrg Exp $");
+__RCSID("$NetBSD: ps.c,v 1.75 2010/05/31 03:18:33 rmind Exp $");
 #endif
 #endif /* not lint */
 
@@ -169,8 +169,6 @@
        else
                termwidth = ws.ws_col - 1;
 
-       setncpu();
-
        if (argc > 1)
                argv[1] = kludge_oldps_options(argv[1]);
 
diff -r e29c6b67b149 -r 1e3784a1c2b2 external/bsd/top/dist/machine/m_netbsd.c
--- a/external/bsd/top/dist/machine/m_netbsd.c  Mon May 31 03:16:47 2010 +0000
+++ b/external/bsd/top/dist/machine/m_netbsd.c  Mon May 31 03:18:33 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: m_netbsd.c,v 1.12 2010/05/12 22:09:36 christos Exp $   */
+/*     $NetBSD: m_netbsd.c,v 1.13 2010/05/31 03:18:33 rmind Exp $      */
 
 /*
  * top - a top users display for Unix
@@ -37,12 +37,12 @@
  *             Andrew Doran <ad%NetBSD.org@localhost>
  *
  *
- * $Id: m_netbsd.c,v 1.12 2010/05/12 22:09:36 christos Exp $
+ * $Id: m_netbsd.c,v 1.13 2010/05/31 03:18:33 rmind Exp $
  */
 #include <sys/cdefs.h>
 
 #ifndef lint
-__RCSID("$NetBSD: m_netbsd.c,v 1.12 2010/05/12 22:09:36 christos Exp $");
+__RCSID("$NetBSD: m_netbsd.c,v 1.13 2010/05/31 03:18:33 rmind Exp $");
 #endif
 
 #include <sys/param.h>
@@ -72,8 +72,6 @@
 
 static void percentages64(int, int *, u_int64_t *, u_int64_t *,
     u_int64_t *);
-static int get_cpunum(u_int64_t);
-
 
 /* get_process_info passes back a handle.  This is what it looks like: */
 
@@ -138,7 +136,6 @@
 
 static int ncpu = 0;
 static u_int64_t *cp_time;
-static u_int64_t *cp_id;
 static u_int64_t *cp_old;
 static u_int64_t *cp_diff;
 
@@ -300,17 +297,6 @@
        return cmdbuf;
 }
 
-static int
-get_cpunum(id)
-       u_int64_t id;
-{
-       int i = 0;
-       for (i = 0; i < ncpu; i++)
-               if (id == cp_id[i])
-                       return i;
-       return -1;
-}
-
 int
 machine_init(statics)
        struct statics *statics;
@@ -347,15 +333,6 @@
        if (size == sizeof(cp_time[0]) * CPUSTATES)
                ncpu = 1;
 
-       cp_id = malloc(sizeof(cp_id[0]) * ncpu);
-       mib[0] = CTL_KERN;
-       mib[1] = KERN_CP_ID;
-       size = sizeof(cp_id[0]) * ncpu;
-       if (sysctl(mib, 2, cp_id, &size, NULL, 0) < 0) {
-               fprintf(stderr, "top: sysctl kern.cp_id failed: %s\n",
-                   strerror(errno));
-               return(-1);
-       }
        cpu_states = malloc(sizeof(cpu_states[0]) * CPUSTATES * ncpu);
        cp_old = malloc(sizeof(cp_old[0]) * CPUSTATES * ncpu);
        cp_diff = malloc(sizeof(cp_diff[0]) * CPUSTATES * ncpu);
@@ -865,8 +842,8 @@
                case LSRUN:
                case LSSLEEP:
                case LSIDL:
-                       (void)snprintf(state, sizeof(state), "%.6s/%d", 
-                            statep, get_cpunum(pp->p_cpuid));
+                       (void)snprintf(state, sizeof(state), "%.6s/%lu", 
+                            statep, pp->p_cpuid);
                        statep = state;
                        break;
                }
@@ -938,8 +915,8 @@
                case LSRUN:
                case LSSLEEP:                   
                case LSIDL:
-                       (void)snprintf(state, sizeof(state), "%.6s/%d", 
-                            statep, get_cpunum(pl->l_cpuid));
+                       (void)snprintf(state, sizeof(state), "%.6s/%lu", 
+                            statep, pl->l_cpuid);
                        statep = state;
                        break;
                }



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