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procps/vmstat.c
Jim Warner 88daa89883 miscellaneous: silence a whole bunch of clang warnings 
[ but most definitely not all of them by a long shot ]

Reference(s):
proc/diskstat.c:186:17: warning: unused variable 'is_disk' [-Wunused-variable]
    int retval, is_disk;
                ^
proc/namespace.c:110:1: warning: control may reach end of non-void function [-Wreturn-type]
}
^
proc/readproc.c:1131:50: warning: address of array 'ent->d_name' will always evaluate to 'true' [-Wpointer-bo
    if(unlikely(unlikely(!ent) || unlikely(!ent->d_name))) return 0;
                                           ~~~~~~^~~~~~
proc/readproc.c:1158:50: warning: address of array 'ent->d_name' will always evaluate to 'true' [-Wpointer-bo
    if(unlikely(unlikely(!ent) || unlikely(!ent->d_name))) return 0;
                                           ~~~~~~^~~~~~
proc/sysinfo.c:45:12: warning: unused variable 'stat_fd' [-Wunused-variable]
static int stat_fd = -1;
           ^
proc/sysinfo.c:49:12: warning: unused variable 'meminfo_fd' [-Wunused-variable]
static int meminfo_fd = -1;
           ^
proc/sysinfo.c:51:12: warning: unused variable 'vminfo_fd' [-Wunused-variable]
static int vminfo_fd = -1;
           ^
proc/sysinfo.c:53:12: warning: unused variable 'vm_min_free_fd' [-Wunused-variable]
static int vm_min_free_fd = -1;
           ^
proc/uptime.c:157:12: warning: unused variable 'realseconds' [-Wunused-variable]
    time_t realseconds;
           ^
proc/uptime.c:158:16: warning: unused variable 'realtime' [-Wunused-variable]
    struct tm *realtime;
               ^
vmstat.c:574:20: warning: format specifies type 'unsigned int' but the argument has type 'unsigned long' [-Wformat]
                   DSTAT(PROCPS_DISKSTAT_READ_TIME),
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vmstat.c:578:20: warning: format specifies type 'unsigned int' but the argument has type 'unsigned long' [-Wformat]
                   DSTAT(PROCPS_DISKSTAT_WRITE_TIME),
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
watch.c:230:7: warning: variable 'endptr' is uninitialized when used here [-Wuninitialized]
        if (*endptr == '\0') set_ansi_attribute(0); /* [m treated as [0m */
             ^~~~~~

Signed-off-by: Jim Warner <james.warner@comcast.net>
2015-09-21 22:34:27 +10:00

963 lines
32 KiB
C
Raw Blame History

/*
* old: "Copyright 1994 by Henry Ware <al172@yfn.ysu.edu>. Copyleft same year."
* most code copyright 2002 Albert Cahalan
*
* 27/05/2003 (Fabian Frederick) : Add unit conversion + interface
* Export proc/stat access to libproc
* Adapt vmstat helpfile
* 31/05/2003 (Fabian) : Add diskstat support (/libproc)
* June 2003 (Fabian) : -S <x> -s & -s -S <x> patch
* June 2003 (Fabian) : Adding diskstat against 3.1.9, slabinfo
* patching 'header' in disk & slab
* July 2003 (Fabian) : Adding disk partition output
* Adding disk table
* Syncing help / usage
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <assert.h>
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <termios.h>
#include <unistd.h>
#include <time.h>
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "strutils.h"
#include "proc/sysinfo.h"
#include <proc/vmstat.h>
#include <proc/readstat.h>
#include <proc/meminfo.h>
#include <proc/diskstat.h>
#include <proc/slab.h>
#define UNIT_B 1
#define UNIT_k 1000
#define UNIT_K 1024
#define UNIT_m 1000000
#define UNIT_M 1048576
static unsigned long dataUnit = UNIT_K;
static char szDataUnit[3] = "K";
#define VMSTAT 0
#define DISKSTAT 0x00000001
#define VMSUMSTAT 0x00000002
#define SLABSTAT 0x00000004
#define PARTITIONSTAT 0x00000008
#define DISKSUMSTAT 0x00000010
static int statMode = VMSTAT;
/* "-a" means "show active/inactive" */
static int a_option;
/* "-w" means "wide output" */
static int w_option;
/* "-t" means "show timestamp" */
static int t_option;
static unsigned sleep_time = 1;
static int infinite_updates = 0;
static unsigned long num_updates =1;
/* window height */
static unsigned int height;
static unsigned int moreheaders = TRUE;
static void __attribute__ ((__noreturn__))
usage(FILE * out)
{
fputs(USAGE_HEADER, out);
fprintf(out,
_(" %s [options] [delay [count]]\n"),
program_invocation_short_name);
fputs(USAGE_OPTIONS, out);
fputs(_(" -a, --active active/inactive memory\n"), out);
fputs(_(" -f, --forks number of forks since boot\n"), out);
fputs(_(" -m, --slabs slabinfo\n"), out);
fputs(_(" -n, --one-header do not redisplay header\n"), out);
fputs(_(" -s, --stats event counter statistics\n"), out);
fputs(_(" -d, --disk disk statistics\n"), out);
fputs(_(" -D, --disk-sum summarize disk statistics\n"), out);
fputs(_(" -p, --partition <dev> partition specific statistics\n"), out);
fputs(_(" -S, --unit <char> define display unit\n"), out);
fputs(_(" -w, --wide wide output\n"), out);
fputs(_(" -t, --timestamp show timestamp\n"), out);
fputs(USAGE_SEPARATOR, out);
fputs(USAGE_HELP, out);
fputs(USAGE_VERSION, out);
fprintf(out, USAGE_MAN_TAIL("vmstat(8)"));
exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
}
static void new_header(void)
{
struct tm *tm_ptr;
time_t the_time;
char timebuf[32];
/* Translation Hint: Translating folloging header & fields
* that follow (marked with max x chars) might not work,
* unless manual page is translated as well. */
const char *header =
_("procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----");
const char *wide_header =
_("procs -----------------------memory---------------------- ---swap-- -----io---- -system-- --------cpu--------");
const char *timestamp_header = _(" -----timestamp-----");
const char format[] =
"%2s %2s %6s %6s %6s %6s %4s %4s %5s %5s %4s %4s %2s %2s %2s %2s %2s";
const char wide_format[] =
"%2s %2s %12s %12s %12s %12s %4s %4s %5s %5s %4s %4s %3s %3s %3s %3s %3s";
printf("%s", w_option ? wide_header : header);
if (t_option) {
printf("%s", timestamp_header);
}
printf("\n");
printf(
w_option ? wide_format : format,
/* Translation Hint: max 2 chars */
_("r"),
/* Translation Hint: max 2 chars */
_("b"),
/* Translation Hint: max 6 chars */
_("swpd"),
/* Translation Hint: max 6 chars */
_("free"),
/* Translation Hint: max 6 chars */
a_option ? _("inact") :
/* Translation Hint: max 6 chars */
_("buff"),
/* Translation Hint: max 6 chars */
a_option ? _("active") :
/* Translation Hint: max 6 chars */
_("cache"),
/* Translation Hint: max 4 chars */
_("si"),
/* Translation Hint: max 4 chars */
_("so"),
/* Translation Hint: max 5 chars */
_("bi"),
/* Translation Hint: max 5 chars */
_("bo"),
/* Translation Hint: max 4 chars */
_("in"),
/* Translation Hint: max 4 chars */
_("cs"),
/* Translation Hint: max 2 chars */
_("us"),
/* Translation Hint: max 2 chars */
_("sy"),
/* Translation Hint: max 2 chars */
_("id"),
/* Translation Hint: max 2 chars */
_("wa"),
/* Translation Hint: max 2 chars */
_("st"));
if (t_option) {
(void) time( &the_time );
tm_ptr = localtime( &the_time );
if (strftime(timebuf, sizeof(timebuf), "%Z", tm_ptr)) {
timebuf[strlen(timestamp_header) - 1] = '\0';
} else {
timebuf[0] = '\0';
}
printf(" %*s", (int)(strlen(timestamp_header) - 1), timebuf);
}
printf("\n");
}
static unsigned long unitConvert(unsigned long size)
{
float cvSize;
cvSize = (float)size / dataUnit * ((statMode == SLABSTAT) ? 1 : 1024);
return ((unsigned long)cvSize);
}
static void new_format(void)
{
const char format[] =
"%2u %2u %6lu %6lu %6lu %6lu %4u %4u %5u %5u %4u %4u %2u %2u %2u %2u %2u";
const char wide_format[] =
"%2u %2u %12lu %12lu %12lu %12lu %4u %4u %5u %5u %4u %4u %3u %3u %3u %3u %3u";
unsigned int tog = 0; /* toggle switch for cleaner code */
unsigned int i;
long hz;
jiff cpu_use[2], cpu_sys[2], cpu_idl[2], cpu_iow[2], cpu_sto[2];
jiff duse, dsys, didl, diow, dstl, Div, divo2;
unsigned long pgpgin[2], pgpgout[2], pswpin[2] = {0,0}, pswpout[2];
unsigned int intr[2], ctxt[2];
unsigned int sleep_half;
unsigned long kb_per_page = sysconf(_SC_PAGESIZE) / 1024ul;
int debt = 0; /* handle idle ticks running backwards */
struct tm *tm_ptr;
time_t the_time;
char timebuf[32];
struct procps_vmstat *vm_info;
struct procps_stat *sys_info;
struct procps_meminfo *mem_info;
sleep_half = (sleep_time / 2);
hz = procps_hertz_get();
new_header();
if (procps_vmstat_new(&vm_info) < 0)
xerrx(EXIT_FAILURE,
_("Unable to create vmstat structure"));
if (procps_vmstat_read(vm_info) < 0)
xerrx(EXIT_FAILURE,
_("Unable to read vmstat information"));
if (procps_stat_new(&sys_info) < 0)
xerrx(EXIT_FAILURE,
_("Unable to create system stat structure"));
if (procps_stat_read(sys_info, 0) < 0)
xerrx(EXIT_FAILURE,
_("Unable to read system stat information"));
if (procps_meminfo_new(&mem_info) < 0)
xerrx(EXIT_FAILURE, _("Unable to create meminfo structure"));
if (procps_meminfo_read(mem_info) < 0)
xerrx(EXIT_FAILURE, _("Unable to read meminfo information"));
if (t_option) {
(void) time( &the_time );
tm_ptr = localtime( &the_time );
strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
}
/* Do the initial fill */
cpu_use[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_USER) +
procps_stat_cpu_get(sys_info, PROCPS_CPU_NICE);
cpu_sys[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_SYSTEM);
procps_stat_cpu_get(sys_info, PROCPS_CPU_IRQ) +
procps_stat_cpu_get(sys_info, PROCPS_CPU_SIRQ);
cpu_idl[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_IDLE);
cpu_iow[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_IOWAIT);
cpu_sto[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_STOLEN);
intr[tog] = procps_stat_sys_get(sys_info, PROCPS_STAT_INTR);
ctxt[tog] = procps_stat_sys_get(sys_info, PROCPS_STAT_CTXT);
pgpgin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN);
pgpgout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT);
pswpin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN);
pswpout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT);
Div = cpu_use[tog] + cpu_sys[tog] + cpu_idl[tog] + cpu_iow[tog] + cpu_sto[tog];
if (!Div) {
Div = 1;
cpu_idl[tog] = 1;
}
divo2 = Div / 2UL;
printf(w_option ? wide_format : format,
procps_stat_sys_get(sys_info, PROCPS_STAT_PROCS_RUN),
procps_stat_sys_get(sys_info, PROCPS_STAT_PROCS_BLK),
unitConvert(procps_meminfo_get(mem_info, PROCPS_SWAP_USED)),
unitConvert(procps_meminfo_get(mem_info, PROCPS_MEM_FREE)),
unitConvert(procps_meminfo_get(mem_info, (a_option?PROCPS_MEM_INACTIVE:PROCPS_MEM_BUFFERS))),
unitConvert(procps_meminfo_get(mem_info, a_option?PROCPS_MEM_ACTIVE:PROCPS_MEM_CACHED)),
(unsigned)( (unitConvert(procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN) * kb_per_page) * hz + divo2) / Div ),
(unsigned)( (unitConvert(procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT) * kb_per_page) * hz + divo2) / Div ),
(unsigned)( (procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN) * hz + divo2) / Div ),
(unsigned)( (procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT) * hz + divo2) / Div ),
(unsigned)( (intr[tog] * hz + divo2) / Div ),
(unsigned)( (ctxt[tog] * hz + divo2) / Div ),
(unsigned)( (100*cpu_use[tog] + divo2) / Div ),
(unsigned)( (100*cpu_sys[tog] + divo2) / Div ),
(unsigned)( (100*cpu_idl[tog] + divo2) / Div ),
(unsigned)( (100*cpu_iow[tog] + divo2) / Div ),
(unsigned)( (100*cpu_sto[tog] + divo2) / Div )
);
if (t_option) {
printf(" %s", timebuf);
}
printf("\n");
/* main loop */
for (i = 1; infinite_updates || i < num_updates; i++) {
sleep(sleep_time);
if (moreheaders && ((i % height) == 0))
new_header();
tog = !tog;
if (procps_stat_read(sys_info,0) < 0)
xerrx(EXIT_FAILURE,
_("Unable to read system stat information"));
if (procps_vmstat_read(vm_info) < 0)
xerrx(EXIT_FAILURE,
_("Unable to read vmstat information"));
cpu_use[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_USER) +
procps_stat_cpu_get(sys_info, PROCPS_CPU_NICE);
cpu_sys[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_SYSTEM);
procps_stat_cpu_get(sys_info, PROCPS_CPU_IRQ) +
procps_stat_cpu_get(sys_info, PROCPS_CPU_SIRQ);
cpu_idl[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_IDLE);
cpu_iow[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_IOWAIT);
cpu_sto[tog] = procps_stat_cpu_get(sys_info, PROCPS_CPU_STOLEN);
intr[tog] = procps_stat_sys_get(sys_info, PROCPS_STAT_INTR);
ctxt[tog] = procps_stat_sys_get(sys_info, PROCPS_STAT_CTXT);
pgpgin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN);
pgpgout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT);
pswpin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN);
pswpout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT);
if (procps_meminfo_read(mem_info) < 0)
xerrx(EXIT_FAILURE,
_("Unable to read memory information"));
if (t_option) {
(void) time( &the_time );
tm_ptr = localtime( &the_time );
strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
}
duse = cpu_use[tog] - cpu_use[!tog];
dsys = cpu_sys[tog] - cpu_sys[!tog];
didl = cpu_idl[tog] - cpu_idl[!tog];
diow = cpu_iow[tog] - cpu_iow[!tog];
dstl = cpu_sto[tog] - cpu_sto[!tog];
/* idle can run backwards for a moment -- kernel "feature" */
if (debt) {
didl = (int)didl + debt;
debt = 0;
}
if ((int)didl < 0) {
debt = (int)didl;
didl = 0;
}
Div = duse + dsys + didl + diow + dstl;
if (!Div) Div = 1, didl = 1;
divo2 = Div / 2UL;
printf(w_option ? wide_format : format,
procps_stat_sys_get(sys_info, PROCPS_STAT_PROCS_RUN),
procps_stat_sys_get(sys_info, PROCPS_STAT_PROCS_BLK),
unitConvert(procps_meminfo_get(mem_info, PROCPS_SWAP_USED)),
unitConvert(procps_meminfo_get(mem_info, PROCPS_MEM_FREE)),
unitConvert(procps_meminfo_get(mem_info,
(a_option?PROCPS_MEM_INACTIVE:PROCPS_MEM_BUFFERS))),
unitConvert(procps_meminfo_get(mem_info,
(a_option?PROCPS_MEM_ACTIVE:PROCPS_MEM_CACHED))),
/*si */
(unsigned)( ( unitConvert((pswpin [tog] - pswpin [!tog])*kb_per_page)+sleep_half )/sleep_time ),
/* so */
(unsigned)( ( unitConvert((pswpout[tog] - pswpout[!tog])*kb_per_page)+sleep_half )/sleep_time ),
/* bi */
(unsigned)( ( pgpgin [tog] - pgpgin [!tog] +sleep_half )/sleep_time ),
/* bo */
(unsigned)( ( pgpgout[tog] - pgpgout[!tog] +sleep_half )/sleep_time ),
/* in */
(unsigned)( ( intr [tog] - intr [!tog] +sleep_half )/sleep_time ),
/* cs */
(unsigned)( ( ctxt [tog] - ctxt [!tog] +sleep_half )/sleep_time ),
/* us */
(unsigned)( (100*duse+divo2)/Div ),
/* sy */
(unsigned)( (100*dsys+divo2)/Div ),
/* id */
(unsigned)( (100*didl+divo2)/Div ),
/* wa */
(unsigned)( (100*diow+divo2)/Div ),
/* st */
(unsigned)( (100*dstl+divo2)/Div )
);
if (t_option) {
printf(" %s", timebuf);
}
printf("\n");
}
}
static void diskpartition_header(const char *partition_name)
{
printf("%-10s %10s %10s %10s %10s\n",
partition_name,
/* Translation Hint: Translating folloging disk partition
* header fields that follow (marked with max x chars) might
* not work, unless manual page is translated as well. */
/* Translation Hint: max 10 chars. The word is
* expected to be centralized, use spaces at the end
* to do that. */
_("reads "),
/* Translation Hint: max 10 chars */
_("read sectors"),
/* Translation Hint: max 10 chars. The word is
* expected to be centralized, use spaces at the end
* to do that. */
_("writes "),
/* Translation Hint: max 10 chars */
_("requested writes"));
}
static int diskpartition_format(const char *partition_name)
{
#define PARTGET(x) procps_diskstat_dev_get(disk_stat, (x), partid)
struct procps_diskstat *disk_stat;
const char format[] = "%20lu %10lu %10lu %10lu\n";
int i, partid;
if (procps_diskstat_new(&disk_stat) < 0)
xerr(EXIT_FAILURE,
_("Unable to create diskstat structure"));
if (procps_diskstat_read(disk_stat) < 0)
xerr(EXIT_FAILURE,
_("Unable to read diskstat"));
if ((partid = procps_diskstat_dev_getbyname(disk_stat, partition_name))
< 0)
xerrx(EXIT_FAILURE, _("Partition %s not found"), partition_name);
diskpartition_header(partition_name);
for (i=0; infinite_updates || i < num_updates ; i++) {
if (procps_diskstat_read(disk_stat) < 0)
xerr(EXIT_FAILURE,
_("Unable to read diskstat"));
if ((partid = procps_diskstat_dev_getbyname(disk_stat, partition_name))
< 0)
xerrx(EXIT_FAILURE,
_("Partition %s not found"), partition_name);
printf(format,
PARTGET(PROCPS_DISKSTAT_READS),
PARTGET(PROCPS_DISKSTAT_READ_SECTORS),
PARTGET(PROCPS_DISKSTAT_WRITES),
PARTGET(PROCPS_DISKSTAT_WRITE_SECTORS)
);
if (infinite_updates || i+1 < num_updates)
sleep(sleep_time);
}
return 0;
}
static void diskheader(void)
{
struct tm *tm_ptr;
time_t the_time;
char timebuf[32];
/* Translation Hint: Translating folloging header & fields
* that follow (marked with max x chars) might not work,
* unless manual page is translated as well. */
const char *header =
_("disk- ------------reads------------ ------------writes----------- -----IO------");
const char *wide_header =
_("disk- -------------------reads------------------- -------------------writes------------------ ------IO-------");
const char *timestamp_header = _(" -----timestamp-----");
const char format[] =
"%5s %6s %6s %7s %7s %6s %6s %7s %7s %6s %6s";
const char wide_format[] =
"%5s %9s %9s %11s %11s %9s %9s %11s %11s %7s %7s";
printf("%s", w_option ? wide_header : header);
if (t_option) {
printf("%s", timestamp_header);
}
printf("\n");
printf(w_option ? wide_format : format,
" ",
/* Translation Hint: max 6 chars */
_("total"),
/* Translation Hint: max 6 chars */
_("merged"),
/* Translation Hint: max 7 chars */
_("sectors"),
/* Translation Hint: max 7 chars */
_("ms"),
/* Translation Hint: max 6 chars */
_("total"),
/* Translation Hint: max 6 chars */
_("merged"),
/* Translation Hint: max 7 chars */
_("sectors"),
/* Translation Hint: max 7 chars */
_("ms"),
/* Translation Hint: max 6 chars */
_("cur"),
/* Translation Hint: max 6 chars */
_("sec"));
if (t_option) {
(void) time( &the_time );
tm_ptr = localtime( &the_time );
if (strftime(timebuf, sizeof(timebuf), "%Z", tm_ptr)) {
timebuf[strlen(timestamp_header) - 1] = '\0';
} else {
timebuf[0] = '\0';
}
printf(" %*s", (int)(strlen(timestamp_header) - 1), timebuf);
}
printf("\n");
}
static void diskformat(void)
{
#define DSTAT(x) procps_diskstat_dev_get(disk_stat, (x), diskid)
struct procps_diskstat *disk_stat;
int i,diskid, disk_count;
time_t the_time;
struct tm *tm_ptr;
char timebuf[32];
const char format[] = "%-5s %6lu %6lu %7lu %7lu %6lu %6lu %7lu %7lu %6lu %6lu";
const char wide_format[] = "%-5s %9lu %9lu %lu %lu %9lu %9lu %lu %lu %7lu %7lu";
if (procps_diskstat_new(&disk_stat) < 0)
xerr(EXIT_FAILURE,
_("Unable to create diskstat structure"));
if (!moreheaders)
diskheader();
for (i=0; infinite_updates || i < num_updates ; i++) {
if (procps_diskstat_read(disk_stat) < 0)
xerr(EXIT_FAILURE,
_("Unable to read diskstat data"));
if (t_option) {
(void) time( &the_time );
tm_ptr = localtime( &the_time );
strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
}
disk_count = procps_diskstat_dev_count(disk_stat);
for (diskid = 0; diskid < disk_count; diskid++) {
if (procps_diskstat_dev_isdisk(disk_stat, diskid) != 1)
continue; /* not a disk */
if (moreheaders && ((diskid % height) == 0))
diskheader();
printf(w_option ? wide_format : format,
procps_diskstat_dev_getname(disk_stat, diskid),
DSTAT(PROCPS_DISKSTAT_READS),
DSTAT(PROCPS_DISKSTAT_READS_MERGED),
DSTAT(PROCPS_DISKSTAT_READ_SECTORS),
DSTAT(PROCPS_DISKSTAT_READ_TIME),
DSTAT(PROCPS_DISKSTAT_WRITES),
DSTAT(PROCPS_DISKSTAT_WRITES_MERGED),
DSTAT(PROCPS_DISKSTAT_WRITE_SECTORS),
DSTAT(PROCPS_DISKSTAT_WRITE_TIME),
DSTAT(PROCPS_DISKSTAT_IO_INPROGRESS) / 1000,
DSTAT(PROCPS_DISKSTAT_IO_TIME) / 1000);
if (t_option)
printf(" %s\n", timebuf);
else
printf("\n");
fflush(stdout);
}
if (infinite_updates || i+1 < num_updates)
sleep(sleep_time);
}
#undef DSTAT
}
static void slabheader(void)
{
printf("%-24s %6s %6s %6s %6s\n",
/* Translation Hint: Translating folloging slab fields that
* follow (marked with max x chars) might not work, unless
* manual page is translated as well. */
/* Translation Hint: max 24 chars */
_("Cache"),
/* Translation Hint: max 6 chars */
_("Num"),
/* Translation Hint: max 6 chars */
_("Total"),
/* Translation Hint: max 6 chars */
_("Size"),
/* Translation Hint: max 6 chars */
_("Pages"));
}
static void slabformat (void)
{
#define CHAINS_ALLOC 150
#define MAX_ITEMS (int)(sizeof(node_items) / sizeof(node_items[0]))
struct procps_slabinfo *slab_info;
struct slabnode_stack **v, *p;
int i, j, nr_slabs;
enum slabnode_item node_items[] = {
PROCPS_SLABNODE_AOBJS, PROCPS_SLABNODE_OBJS,
PROCPS_SLABNODE_OBJ_SIZE, PROCPS_SLABNODE_OBJS_PER_SLAB,
PROCPS_SLABNODE_NAME, PROCPS_SLABNODE_stack_end };
enum rel_enums {
slab_AOBJS, slab_OBJS, slab_OSIZE, slab_OPS, slab_NAME };
if (procps_slabinfo_new(&slab_info) < 0)
xerrx(EXIT_FAILURE, _("Unable to create slabinfo structure"));
if (!(v = procps_slabnode_stacks_alloc(slab_info, CHAINS_ALLOC, MAX_ITEMS, node_items)))
xerrx(EXIT_FAILURE, _("Unable to allocate slabinfo nodes"));
if (!moreheaders)
slabheader();
for (i = 0; infinite_updates || i < num_updates; i++) {
// this next guy also performs the procps_slabnode_read() call
if ((nr_slabs = procps_slabnode_stacks_fill(slab_info, v, CHAINS_ALLOC)) < 0)
xerrx(EXIT_FAILURE, _("Unable to get slabinfo node data, requires root permission"));
if (!(v = procps_slabnode_stacks_sort(slab_info, v, nr_slabs, PROCPS_SLABNODE_NAME)))
xerrx(EXIT_FAILURE, _("Unable to sort slab nodes"));
for (j = 0; j < nr_slabs; j++) {
p = v[j];
if (moreheaders && ((j % height) == 0))
slabheader();
printf("%-24.24s %6u %6u %6u %6u\n",
p->head[slab_NAME ].result.str,
p->head[slab_AOBJS].result.u_int,
p->head[slab_OBJS ].result.u_int,
p->head[slab_OSIZE].result.u_int,
p->head[slab_OPS ].result.u_int);
}
if (infinite_updates || i+1 < num_updates)
sleep(sleep_time);
}
procps_slabinfo_unref(&slab_info);
#undef CHAINS_ALLOC
#undef MAX_ITEMS
}
static void disksum_format(void)
{
#define DSTAT(x) procps_diskstat_dev_get(disk_stat, (x), devid)
struct procps_diskstat *disk_stat;
if (procps_diskstat_new(&disk_stat) < 0)
xerr(EXIT_FAILURE,
_("Unable to create diskstat structure"));
if (procps_diskstat_read(disk_stat) < 0)
xerr(EXIT_FAILURE,
_("Unable to read diskstat"));
int devid, dev_count, disk_count, part_count ;
unsigned long reads, merged_reads, read_sectors, milli_reading, writes,
merged_writes, written_sectors, milli_writing, inprogress_IO,
milli_spent_IO, weighted_milli_spent_IO;
reads = merged_reads = read_sectors = milli_reading = writes =
merged_writes = written_sectors = milli_writing = inprogress_IO =
milli_spent_IO = weighted_milli_spent_IO = 0;
disk_count = part_count = 0;
if ((dev_count = procps_diskstat_dev_count(disk_stat)) < 0)
xerr(EXIT_FAILURE,
_("Unable to count diskstat devices"));
for (devid=0; devid < dev_count; devid++) {
if (procps_diskstat_dev_isdisk(disk_stat, devid) != 1) {
part_count++;
continue; /* not a disk */
}
disk_count++;
reads += DSTAT(PROCPS_DISKSTAT_READS);
merged_reads += DSTAT(PROCPS_DISKSTAT_READS_MERGED);
read_sectors += DSTAT(PROCPS_DISKSTAT_READ_SECTORS);
milli_reading += DSTAT(PROCPS_DISKSTAT_READ_TIME);
writes += DSTAT(PROCPS_DISKSTAT_WRITES);
merged_writes += DSTAT(PROCPS_DISKSTAT_WRITES_MERGED);
written_sectors += DSTAT(PROCPS_DISKSTAT_WRITE_SECTORS);
milli_writing += DSTAT(PROCPS_DISKSTAT_WRITE_TIME);
inprogress_IO += DSTAT(PROCPS_DISKSTAT_IO_INPROGRESS) / 1000;
milli_spent_IO += DSTAT(PROCPS_DISKSTAT_IO_TIME) / 1000;
weighted_milli_spent_IO += DSTAT(PROCPS_DISKSTAT_IO_TIME) / 1000;
}
printf(_("%13d disks\n"), disk_count);
printf(_("%13d partitions\n"), part_count);
printf(_("%13lu reads\n"), reads);
printf(_("%13lu merged reads\n"), merged_reads);
printf(_("%13lu read sectors\n"), read_sectors);
printf(_("%13lu milli reading\n"), milli_reading);
printf(_("%13lu writes\n"), writes);
printf(_("%13lu merged writes\n"), merged_writes);
printf(_("%13lu written sectors\n"), written_sectors);
printf(_("%13lu milli writing\n"), milli_writing);
printf(_("%13lu inprogress IO\n"), inprogress_IO);
printf(_("%13lu milli spent IO\n"), milli_spent_IO);
printf(_("%13lu milli weighted IO\n"), weighted_milli_spent_IO);
#undef DSTAT
}
static void sum_format(void)
{
struct procps_stat *sys_info;
struct procps_vmstat *vm_info;
struct procps_meminfo *mem_info;
if (procps_stat_new(&sys_info) < 0)
xerrx(EXIT_FAILURE,
_("Unable to create system stat structure"));
if (procps_stat_read(sys_info,0) < 0)
xerrx(EXIT_FAILURE,
_("Unable to read system stat information"));
if (procps_vmstat_new(&vm_info) < 0)
xerrx(EXIT_FAILURE,
_("Unable to create vmstat structure"));
if (procps_vmstat_read(vm_info) < 0)
xerrx(EXIT_FAILURE,
_("Unable to read vmstat information"));
if (procps_meminfo_new(&mem_info) < 0)
xerrx(EXIT_FAILURE, _("Unable to create meminfo structure"));
if (procps_meminfo_read(mem_info) < 0)
xerrx(EXIT_FAILURE, _("Unable to read meminfo information"));
printf(_("%13lu %s total memory\n"), unitConvert(procps_meminfo_get(
mem_info, PROCPS_MEM_TOTAL)), szDataUnit);
printf(_("%13lu %s used memory\n"), unitConvert(procps_meminfo_get(
mem_info, PROCPS_MEM_USED)), szDataUnit);
printf(_("%13lu %s active memory\n"), unitConvert(procps_meminfo_get(
mem_info, PROCPS_MEM_ACTIVE)), szDataUnit);
printf(_("%13lu %s inactive memory\n"), unitConvert(
procps_meminfo_get(mem_info, PROCPS_MEM_INACTIVE)), szDataUnit);
printf(_("%13lu %s free memory\n"), unitConvert(procps_meminfo_get(
mem_info, PROCPS_MEM_FREE)), szDataUnit);
printf(_("%13lu %s buffer memory\n"), unitConvert(procps_meminfo_get(
mem_info, PROCPS_MEM_BUFFERS)), szDataUnit);
printf(_("%13lu %s swap cache\n"), unitConvert(procps_meminfo_get(
mem_info, PROCPS_MEM_CACHED)), szDataUnit);
printf(_("%13lu %s total swap\n"), unitConvert(procps_meminfo_get(
mem_info, PROCPS_SWAP_TOTAL)), szDataUnit);
printf(_("%13lu %s used swap\n"), unitConvert(procps_meminfo_get(
mem_info, PROCPS_SWAP_USED)), szDataUnit);
printf(_("%13lu %s free swap\n"), unitConvert(procps_meminfo_get(
mem_info, PROCPS_SWAP_FREE)), szDataUnit);
printf(_("%13lld non-nice user cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_USER));
printf(_("%13lld nice user cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_NICE));
printf(_("%13lld system cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_SYSTEM));
printf(_("%13lld idle cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_IDLE));
printf(_("%13lld IO-wait cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_IOWAIT));
printf(_("%13lld IRQ cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_IRQ));
printf(_("%13lld softirq cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_SIRQ));
printf(_("%13lld stolen cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_STOLEN));
printf(_("%13lld non-nice guest cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_GUEST));
printf(_("%13lld nice guest cpu ticks\n"), procps_stat_cpu_get(sys_info, PROCPS_CPU_GNICE));
printf(_("%13lu pages paged in\n"), procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN));
printf(_("%13lu pages paged out\n"), procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT));
printf(_("%13lu pages swapped in\n"), procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN));
printf(_("%13lu pages swapped out\n"), procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT));
printf(_("%13u interrupts\n"), procps_stat_sys_get(sys_info, PROCPS_STAT_INTR));
printf(_("%13u CPU context switches\n"), procps_stat_sys_get(sys_info, PROCPS_STAT_CTXT));
printf(_("%13u boot time\n"), procps_stat_sys_get(sys_info, PROCPS_STAT_BTIME));
printf(_("%13u forks\n"), procps_stat_sys_get(sys_info, PROCPS_STAT_PROCS));
}
static void fork_format(void)
{
struct procps_stat *sys_info;
if (procps_stat_new(&sys_info) < 0)
xerrx(EXIT_FAILURE,
_("Unable to create system stat structure"));
if (procps_stat_read(sys_info,0) < 0)
xerrx(EXIT_FAILURE,
_("Unable to read system stat information"));
printf(_("%13u forks\n"), procps_stat_sys_get(sys_info, PROCPS_STAT_PROCS));
}
static int winhi(void)
{
struct winsize win;
int rows = 24;
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 0 < win.ws_row)
rows = win.ws_row;
return rows;
}
int main(int argc, char *argv[])
{
char *partition = NULL;
int c;
long tmp;
static const struct option longopts[] = {
{"active", no_argument, NULL, 'a'},
{"forks", no_argument, NULL, 'f'},
{"slabs", no_argument, NULL, 'm'},
{"one-header", no_argument, NULL, 'n'},
{"stats", no_argument, NULL, 's'},
{"disk", no_argument, NULL, 'd'},
{"disk-sum", no_argument, NULL, 'D'},
{"partition", required_argument, NULL, 'p'},
{"unit", required_argument, NULL, 'S'},
{"wide", no_argument, NULL, 'w'},
{"timestamp", no_argument, NULL, 't'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
{NULL, 0, NULL, 0}
};
#ifdef HAVE_PROGRAM_INVOCATION_NAME
program_invocation_name = program_invocation_short_name;
#endif
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((c =
getopt_long(argc, argv, "afmnsdDp:S:wthV", longopts,
NULL)) != EOF)
switch (c) {
case 'V':
printf(PROCPS_NG_VERSION);
return EXIT_SUCCESS;
case 'h':
usage(stdout);
case 'd':
statMode |= DISKSTAT;
break;
case 'a':
/* active/inactive mode */
a_option = 1;
break;
case 'f':
/* FIXME: check for conflicting args */
fork_format();
exit(0);
case 'm':
statMode |= SLABSTAT;
break;
case 'D':
statMode |= DISKSUMSTAT;
break;
case 'n':
/* print only one header */
moreheaders = FALSE;
break;
case 'p':
statMode |= PARTITIONSTAT;
partition = optarg;
if (memcmp(partition, "/dev/", 5) == 0)
partition += 5;
break;
case 'S':
switch (optarg[0]) {
case 'b':
case 'B':
dataUnit = UNIT_B;
break;
case 'k':
dataUnit = UNIT_k;
break;
case 'K':
dataUnit = UNIT_K;
break;
case 'm':
dataUnit = UNIT_m;
break;
case 'M':
dataUnit = UNIT_M;
break;
default:
xerrx(EXIT_FAILURE,
/* Translation Hint: do not change argument characters */
_("-S requires k, K, m or M (default is KiB)"));
}
szDataUnit[0] = optarg[0];
break;
case 's':
statMode |= VMSUMSTAT;
break;
case 'w':
w_option = 1;
break;
case 't':
t_option = 1;
break;
default:
/* no other aguments defined yet. */
usage(stderr);
}
if (optind < argc) {
tmp = strtol_or_err(argv[optind++], _("failed to parse argument"));
if (tmp < 1)
xerrx(EXIT_FAILURE, _("delay must be positive integer"));
else if (UINT_MAX < tmp)
xerrx(EXIT_FAILURE, _("too large delay value"));
sleep_time = tmp;
infinite_updates = 1;
}
num_updates = 1;
if (optind < argc) {
num_updates = strtol_or_err(argv[optind++], _("failed to parse argument"));
infinite_updates = 0;
}
if (optind < argc)
usage(stderr);
if (moreheaders) {
int wheight = winhi() - 3;
height = ((wheight > 0) ? wheight : 22);
}
setlinebuf(stdout);
switch (statMode) {
case (VMSTAT):
new_format();
break;
case (VMSUMSTAT):
sum_format();
break;
case (DISKSTAT):
diskformat();
break;
case (PARTITIONSTAT):
if (diskpartition_format(partition) == -1)
printf(_("partition was not found\n"));
break;
case (SLABSTAT):
slabformat();
break;
case (DISKSUMSTAT):
disksum_format();
break;
default:
usage(stderr);
break;
}
return 0;
}
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