Dr. Werner Fink 2010-09-07 16:39:24 +00:00 committed by Git OBS Bridge
parent fc15fa1b30
commit 99f9f72be1
5 changed files with 181 additions and 13 deletions

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@ -6,9 +6,9 @@
#
### BEGIN INIT INFO
# Provides: boot.sysctl
# Required-Start: $local_fs
# Required-Start: boot.proc $local_fs
# Should-Start: setserial boot.isapnp
# Required-Stop: $local_fs
# Required-Stop: boot.proc $local_fs
# Should-Stop: $null
# Default-Start: B
# Default-Stop:

114
bug-634071_procstat2.diff Normal file
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@ -0,0 +1,114 @@
--- procps-3.2.7/proc/sysinfo.c 2010-08-20 15:59:36.991845322 -0500
+++ procps-3.2.7/proc/sysinfo.c 2010-08-25 09:01:49.867972887 -0500
@@ -26,8 +26,6 @@
#include <netinet/in.h> /* htons */
#endif
-long smp_num_cpus; /* number of CPUs */
-
#define BAD_OPEN_MESSAGE \
"Error: /proc must be mounted\n" \
" To mount /proc at boot you need an /etc/fstab line like:\n" \
@@ -169,7 +167,7 @@
setlocale(LC_NUMERIC, savelocale);
jiffies = user_j + nice_j + sys_j + other_j;
seconds = (up_1 + up_2) / 2;
- h = (unsigned)( (double)jiffies/seconds/smp_num_cpus );
+ h = (unsigned)( (double)jiffies/seconds/smp_num_cpus() );
/* actual values used by 2.4 kernels: 32 64 100 128 1000 1024 1200 */
switch(h){
case 9 ... 11 : Hertz = 10; break; /* S/390 (sometimes) */
@@ -234,9 +232,13 @@
return !!rc;
}
-static void init_libproc(void) __attribute__((constructor));
-static void init_libproc(void){
- have_privs = check_for_privs();
+long smp_num_cpus(void)
+{
+ static long _smp_num_cpus=-1; /* number of CPUs */
+
+ if (_smp_num_cpus != -1)
+ return(_smp_num_cpus);
+
// ought to count CPUs in /proc/stat instead of relying
// on glibc, which foolishly tries to parse /proc/cpuinfo
//
@@ -244,8 +247,15 @@
// appears to have a non-SMP kernel on a 2-way SMP box.
// _SC_NPROCESSORS_CONF returns 2, resulting in HZ=512
// _SC_NPROCESSORS_ONLN returns 1, which should work OK
- smp_num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
- if(smp_num_cpus<1) smp_num_cpus=1; /* SPARC glibc is buggy */
+ _smp_num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+ if(_smp_num_cpus<1) _smp_num_cpus=1; /* SPARC glibc is buggy */
+
+ return(_smp_num_cpus);
+}
+
+static void init_libproc(void) __attribute__((constructor));
+static void init_libproc(void){
+ have_privs = check_for_privs();
if(linux_version_code > LINUX_VERSION(2, 4, 0)){
Hertz = find_elf_note(AT_CLKTCK);
--- procps-3.2.7/proc/sysinfo.h 2010-08-20 15:59:37.011847000 -0500
+++ procps-3.2.7/proc/sysinfo.h 2010-08-25 08:58:17.557096693 -0500
@@ -7,7 +7,7 @@
EXTERN_C_BEGIN
extern unsigned long long Hertz; /* clock tick frequency */
-extern long smp_num_cpus; /* number of CPUs */
+extern long smp_num_cpus(void); /* number of CPUs */
extern int have_privs; /* boolean, true if setuid or similar */
#if 0
--- procps-3.2.7/top.c 2010-08-20 15:59:37.507910544 -0500
+++ procps-3.2.7/top.c 2010-08-20 16:24:36.623565229 -0500
@@ -1656,7 +1656,7 @@
if (Myname) ++Myname; else Myname = me;
/* establish cpu particulars -- even bigger! */
- Cpu_tot = smp_num_cpus;
+ Cpu_tot = smp_num_cpus();
if (linux_version_code > LINUX_VERSION(2, 5, 41))
States_fmts = STATES_line2x5;
if (linux_version_code >= LINUX_VERSION(2, 6, 0)) // grrr... only some 2.6.0-testX :-(
@@ -1676,15 +1676,15 @@
Fieldstab[P_CPN].head = " P";
Fieldstab[P_CPN].fmts = " %1u";
- if(smp_num_cpus>9){
+ if(smp_num_cpus()>9){
Fieldstab[P_CPN].head = " P";
Fieldstab[P_CPN].fmts = " %2u";
}
- if(smp_num_cpus>99){
+ if(smp_num_cpus()>99){
Fieldstab[P_CPN].head = " P";
Fieldstab[P_CPN].fmts = " %3u";
}
- if(smp_num_cpus>999){
+ if(smp_num_cpus()>999){
Fieldstab[P_CPN].head = " P";
Fieldstab[P_CPN].fmts = " %4u";
}
@@ -1831,7 +1831,7 @@
confighlp(Winstk[i].rc.fieldscur);
}
- if(Rc.mode_irixps && smp_num_cpus>1){
+ if(Rc.mode_irixps && smp_num_cpus()>1){
// good for 100 CPUs per process
pcpu_max_value = 9999.0;
Fieldstab[P_CPU].fmts = " %4.0f";
@@ -2677,7 +2677,7 @@
Rc.mode_irixps = !Rc.mode_irixps;
show_msg(fmtmk("Irix mode %s", Rc.mode_irixps ? "On" : "Off"));
#endif
- if(Rc.mode_irixps && smp_num_cpus>1){
+ if(Rc.mode_irixps && smp_num_cpus()>1){
// good for 100 CPUs per process
pcpu_max_value = 9999.0;
Fieldstab[P_CPU].fmts = " %4.0f";

View File

@ -18,16 +18,19 @@ Signed-off-by: Jean Delvare <jdelvare@suse.de>
ps/output.c | 2 +-
3 files changed, 28 insertions(+), 1 deletion(-)
--- procps-3.2.7.orig/proc/sysinfo.c 2007-08-31 10:18:07.000000000 +0200
+++ procps-3.2.7/proc/sysinfo.c 2007-08-31 13:55:32.000000000 +0200
@@ -88,6 +88,32 @@ int uptime(double *restrict uptime_secs,
--- procps-3.2.7/proc/sysinfo.c
+++ procps-3.2.7/proc/sysinfo.c 2007-08-31 11:55:32.000000000 +0000
@@ -90,6 +90,35 @@ int uptime(double *restrict uptime_secs,
return up; /* assume never be zero seconds in practice */
}
+unsigned long getbtime(void) {
+ unsigned long btime = 0;
+ static unsigned long btime = 0;
+ FILE *f;
+
+ if (btime)
+ return btime;
+
+ /* /proc/stat can get very large on multi-CPU systems so we
+ can't use FILE_TO_BUF */
+ if (!(f = fopen(STAT_FILE, "r"))) {
@ -53,9 +56,9 @@ Signed-off-by: Jean Delvare <jdelvare@suse.de>
/***********************************************************************
* Some values in /proc are expressed in units of 1/HZ seconds, where HZ
* is the kernel clock tick rate. One of these units is called a jiffy.
--- procps-3.2.7.orig/proc/sysinfo.h 2007-08-31 10:18:07.000000000 +0200
+++ procps-3.2.7/proc/sysinfo.h 2007-08-31 10:18:58.000000000 +0200
@@ -17,6 +17,7 @@ extern void eight_cpu_numbers(JT *uret,
--- procps-3.2.7/proc/sysinfo.h
+++ procps-3.2.7/proc/sysinfo.h 2007-08-31 08:18:58.000000000 +0000
@@ -17,6 +17,7 @@ extern void eight_cpu_numbers(JT *uret,
#endif
extern int uptime (double *uptime_secs, double *idle_secs);
@ -63,14 +66,57 @@ Signed-off-by: Jean Delvare <jdelvare@suse.de>
extern void loadavg(double *av1, double *av5, double *av15);
--- procps-3.2.7.orig/ps/output.c 2007-08-31 10:18:22.000000000 +0200
+++ procps-3.2.7/ps/output.c 2007-08-31 10:18:58.000000000 +0200
@@ -1952,7 +1952,7 @@ void init_output(void){
--- procps-3.2.7/ps/output.c
+++ procps-3.2.7/ps/output.c 2010-09-07 16:31:59.776958123 +0000
@@ -77,7 +77,6 @@ static unsigned max_leftward = 0x1234567
static int wide_signals; /* true if we have room */
static unsigned long seconds_since_1970;
-static unsigned long time_of_boot;
static unsigned long page_shift;
@@ -793,7 +792,7 @@ static int pr_bsdtime(char *restrict con
static int pr_bsdstart(char *restrict const outbuf, const proc_t *restrict const pp){
time_t start;
time_t seconds_ago;
- start = time_of_boot + pp->start_time / Hertz;
+ start = getbtime() + pp->start_time / Hertz;
seconds_ago = seconds_since_1970 - start;
if(seconds_ago < 0) seconds_ago=0;
if(seconds_ago > 3600*24) strcpy(outbuf, ctime(&start)+4);
@@ -907,7 +906,7 @@ static int pr_pmem(char *restrict const
static int pr_lstart(char *restrict const outbuf, const proc_t *restrict const pp){
time_t t;
- t = time_of_boot + pp->start_time / Hertz;
+ t = getbtime() + pp->start_time / Hertz;
return snprintf(outbuf, COLWID, "%24.24s", ctime(&t));
}
@@ -930,7 +929,7 @@ static int pr_stime(char *restrict const
our_time = localtime(&seconds_since_1970); /* not reentrant */
tm_year = our_time->tm_year;
tm_yday = our_time->tm_yday;
- t = time_of_boot + pp->start_time / Hertz;
+ t = getbtime() + pp->start_time / Hertz;
proc_time = localtime(&t); /* not reentrant, this corrupts our_time */
fmt = "%H:%M"; /* 03:02 23:59 */
if(tm_yday != proc_time->tm_yday) fmt = "%b%d"; /* Jun06 Aug27 */
@@ -941,7 +940,7 @@ static int pr_stime(char *restrict const
static int pr_start(char *restrict const outbuf, const proc_t *restrict const pp){
time_t t;
char *str;
- t = time_of_boot + pp->start_time / Hertz;
+ t = getbtime() + pp->start_time / Hertz;
str = ctime(&t);
if(str[8]==' ') str[8]='0';
if(str[11]==' ') str[11]='0';
@@ -1961,7 +1960,6 @@ void init_output(void){
// available space: page_size*outbuf_pages-SPACE_AMOUNT
seconds_since_1970 = time(NULL);
- time_of_boot = seconds_since_1970 - seconds_since_boot;
+ time_of_boot = getbtime();
meminfo();

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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Tue Sep 7 18:34:50 CEST 2010 - werner@suse.de
- Add change to avoid repeated read of /proc/stat (bnc#634071)
- Add change to avoid repeated call of sysconf() (bnc#634071)
-------------------------------------------------------------------
Mon Jun 28 06:38:35 UTC 2010 - jengelh@medozas.de

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@ -68,6 +68,7 @@ Patch30: procps-3.2.8-sysctlerr.dif
Patch31: procps-3.2.8-columns.dif
Patch32: procps-3.2.7-oom.diff
Patch33: procps-3.2.8-integer-overflow.patch
Patch34: bug-634071_procstat2.diff
BuildRoot: %{_tmppath}/%{name}-%{version}-build
%description
@ -129,6 +130,7 @@ Authors:
%patch31
%patch32 -p1
%patch33 -p1
%patch34 -p1
%build
make %{?_smp_mflags} CFLAGS="-Wall -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 $RPM_OPT_FLAGS -pipe" \