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authorGlenn L McGrath2004-09-14 18:56:52 +0000
committerGlenn L McGrath2004-09-14 18:56:52 +0000
commit225be8c1f06397b6f4d378f6eb00b6ddb7cfd024 (patch)
tree310a7d51d819194c26ec974901c14de7694ffcbc /procps/top.c
parent73ebb889daf30980bddc3d3065ff10844c4624dc (diff)
downloadbusybox-225be8c1f06397b6f4d378f6eb00b6ddb7cfd024.zip
busybox-225be8c1f06397b6f4d378f6eb00b6ddb7cfd024.tar.gz
Apply patch from Felipe Kellermann to simlify logic of sort functions.
I reversed the result of the sort functions to make the big numbers go to the top.
Diffstat (limited to 'procps/top.c')
-rw-r--r--procps/top.c50
1 files changed, 24 insertions, 26 deletions
diff --git a/procps/top.c b/procps/top.c
index 2bef38d..972c484 100644
--- a/procps/top.c
+++ b/procps/top.c
@@ -23,6 +23,26 @@
* Copyright (c) 1992 Roger Binns
* Copyright (C) 1994-1996 Charles L. Blake.
* Copyright (C) 1992-1998 Michael K. Johnson
+ * May
+ * This reads the PIDs of all processes and their status and shows
+ * the status of processes (first ones that fit to screen) at given
+ * intervals.
+ *
+ * NOTES:
+ * - At startup this changes to /proc, all the reads are then
+ * relative to that.
+ *
+ * (C) Eero Tamminen <oak at welho dot com>
+ *
+ * Rewritten by Vladimir Oleynik (C) 2002 <dzo@simtreas.ru>
+ */
+
+/* Original code Copyrights */
+/*
+ * Copyright (c) 1992 Branko Lankester
+ * Copyright (c) 1992 Roger Binns
+ * Copyright (C) 1994-1996 Charles L. Blake.
+ * Copyright (C) 1992-1998 Michael K. Johnson
* May be distributed under the conditions of the
* GNU Library General Public License
*/
@@ -55,22 +75,12 @@ static int ntop;
static int pid_sort (procps_status_t *P, procps_status_t *Q)
{
- int p = P->pid;
- int q = Q->pid;
-
- if( p < q ) return -1;
- if( p > q ) return 1;
- return 0;
+ return (Q->pid - P->pid);
}
static int mem_sort (procps_status_t *P, procps_status_t *Q)
{
- long p = P->rss;
- long q = Q->rss;
-
- if( p > q ) return -1;
- if( p < q ) return 1;
- return 0;
+ return (int)(Q->rss - P->rss);
}
#ifdef FEATURE_CPU_USAGE_PERCENTAGE
@@ -80,24 +90,12 @@ static cmp_t sort_function[sort_depth];
static int pcpu_sort (procps_status_t *P, procps_status_t *Q)
{
- int p = P->pcpu;
- int q = Q->pcpu;
-
- if( p > q ) return -1;
- if( p < q ) return 1;
- return 0;
+ return (Q->pcpu - P->pcpu);
}
static int time_sort (procps_status_t *P, procps_status_t *Q)
{
- long p = P->stime;
- long q = Q->stime;
-
- p += P->utime;
- q += Q->utime;
- if( p > q ) return -1;
- if( p < q ) return 1;
- return 0;
+ return (int)((Q->stime + Q->utime) - (P->stime + P->utime));
}
int mult_lvl_cmp(void* a, void* b) {