summaryrefslogtreecommitdiffstats
path: root/src/vmstat.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vmstat.c')
-rw-r--r--src/vmstat.c1092
1 files changed, 1092 insertions, 0 deletions
diff --git a/src/vmstat.c b/src/vmstat.c
new file mode 100644
index 0000000..c77ee25
--- /dev/null
+++ b/src/vmstat.c
@@ -0,0 +1,1092 @@
+/*
+ * vmstat - report memory statistics
+ *
+ * Copyright © 2011-2023 Craig Small <csmall@dropbear.xyz>
+ * Copyright © 2012-2023 Jim Warner <james.warner@comcast.net>
+ * Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
+ * Copyright © 2010 Jan Görig <jgorig@redhat.com>
+ * Copyright © 2003 Fabian Frederick
+ * Copyright © 1998-2002 Albert Cahalan
+ * Copyright © 1994 Henry Ware <al172@yfn.ysu.edu>
+ *
+ * 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 "diskstats.h"
+#include "meminfo.h"
+#include "misc.h"
+#include "slabinfo.h"
+#include "stat.h"
+#include "vmstat.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;
+
+/* "-y" means "skip first output" */
+static int y_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 enum stat_item First_stat_items[] = {
+ STAT_SYS_PROC_RUNNING,
+ STAT_SYS_PROC_BLOCKED,
+ STAT_SYS_INTERRUPTS,
+ STAT_SYS_CTX_SWITCHES,
+ STAT_TIC_USER,
+ STAT_TIC_NICE,
+ STAT_TIC_SYSTEM,
+ STAT_TIC_IRQ,
+ STAT_TIC_SOFTIRQ,
+ STAT_TIC_IDLE,
+ STAT_TIC_IOWAIT,
+ STAT_TIC_STOLEN,
+ STAT_TIC_GUEST,
+ STAT_TIC_GUEST_NICE
+};
+static enum stat_item Loop_stat_items[] = {
+ STAT_SYS_PROC_RUNNING,
+ STAT_SYS_PROC_BLOCKED,
+ STAT_SYS_DELTA_INTERRUPTS,
+ STAT_SYS_DELTA_CTX_SWITCHES,
+ STAT_TIC_DELTA_USER,
+ STAT_TIC_DELTA_NICE,
+ STAT_TIC_DELTA_SYSTEM,
+ STAT_TIC_DELTA_IRQ,
+ STAT_TIC_DELTA_SOFTIRQ,
+ STAT_TIC_DELTA_IDLE,
+ STAT_TIC_DELTA_IOWAIT,
+ STAT_TIC_DELTA_STOLEN,
+ STAT_TIC_DELTA_GUEST,
+ STAT_TIC_DELTA_GUEST_NICE
+};
+enum Rel_statitems {
+ stat_PRU, stat_PBL, stat_INT, stat_CTX,
+ stat_USR, stat_NIC, stat_SYS, stat_IRQ, stat_SRQ,
+ stat_IDL, stat_IOW, stat_STO, stat_GST, stat_GNI,
+ MAX_stat
+};
+
+static enum meminfo_item Mem_items[] = {
+ MEMINFO_SWAP_USED,
+ MEMINFO_MEM_FREE,
+ MEMINFO_MEM_ACTIVE,
+ MEMINFO_MEM_INACTIVE,
+ MEMINFO_MEM_BUFFERS,
+ MEMINFO_MEM_CACHED_ALL
+};
+enum Rel_memitems {
+ mem_SUS, mem_FREE, mem_ACT, mem_INA, mem_BUF, mem_CAC, MAX_mem
+};
+
+static enum diskstats_item Disk_items[] = {
+ DISKSTATS_TYPE,
+ DISKSTATS_NAME,
+ DISKSTATS_READS,
+ DISKSTATS_READS_MERGED,
+ DISKSTATS_READ_SECTORS,
+ DISKSTATS_READ_TIME,
+ DISKSTATS_WRITES,
+ DISKSTATS_WRITES_MERGED,
+ DISKSTATS_WRITE_SECTORS,
+ DISKSTATS_WRITE_TIME,
+ DISKSTATS_IO_INPROGRESS,
+ DISKSTATS_IO_TIME,
+ DISKSTATS_WEIGHTED_TIME
+};
+enum Rel_diskitems {
+ disk_TYPE, disk_NAME,
+ disk_READ, disk_READ_MERGE, disk_READ_SECT, disk_READ_TIME,
+ disk_WRITE, disk_WRITE_MERGE, disk_WRITE_SECT, disk_WRITE_TIME,
+ disk_IO, disk_IO_TIME, disk_IO_WTIME, MAX_disk
+};
+
+static enum diskstats_item Part_items[] = {
+ DISKSTATS_READS,
+ DISKSTATS_READ_SECTORS,
+ DISKSTATS_WRITES,
+ DISKSTATS_WRITE_SECTORS
+};
+enum Rel_partitems {
+ part_READ, part_READ_SECT, part_WRITE, part_WRITE_SECT, MAX_part
+};
+
+static enum stat_item Sum_stat_items[] = {
+ STAT_TIC_USER,
+ STAT_TIC_NICE,
+ STAT_TIC_SYSTEM,
+ STAT_TIC_IDLE,
+ STAT_TIC_IOWAIT,
+ STAT_TIC_IRQ,
+ STAT_TIC_SOFTIRQ,
+ STAT_TIC_STOLEN,
+ STAT_TIC_GUEST,
+ STAT_TIC_GUEST_NICE,
+ STAT_SYS_CTX_SWITCHES,
+ STAT_SYS_INTERRUPTS,
+ STAT_SYS_TIME_OF_BOOT,
+ STAT_SYS_PROC_CREATED
+};
+enum Rel_sumstatitems {
+ sstat_USR, sstat_NIC, sstat_SYS, sstat_IDL, sstat_IOW, sstat_IRQ,
+ sstat_SRQ, sstat_STO, sstat_GST, sstat_GNI, sstat_CTX, sstat_INT,
+ sstat_TOB, sstat_PCR
+};
+
+static enum meminfo_item Sum_mem_items[] = {
+ MEMINFO_MEM_TOTAL,
+ MEMINFO_MEM_USED,
+ MEMINFO_MEM_ACTIVE,
+ MEMINFO_MEM_INACTIVE,
+ MEMINFO_MEM_FREE,
+ MEMINFO_MEM_BUFFERS,
+ MEMINFO_MEM_CACHED_ALL,
+ MEMINFO_SWAP_TOTAL,
+ MEMINFO_SWAP_USED,
+ MEMINFO_SWAP_FREE,
+};
+enum Rel_summemitems {
+ smem_MTOT, smem_MUSE, smem_MACT, smem_MIAC, smem_MFRE,
+ smem_MBUF, smem_MCAC, smem_STOT, smem_SUSE, smem_SFRE
+};
+
+
+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(_(" -y, --no-first skips first line of output\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 %2s";
+ const char wide_format[] =
+ "%4s %4s %12s %12s %12s %12s %4s %4s %5s %5s %4s %4s %3s %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"),
+ /* Translation Hint: max 2 chars */
+ _("gu"));
+
+ if (t_option) {
+ (void) time( &the_time );
+ tm_ptr = localtime( &the_time );
+ if (tm_ptr && strftime(timebuf, sizeof(timebuf), "%Z", tm_ptr)) {
+ const size_t len = strlen(timestamp_header);
+ if (len >= 1 && len - 1 < sizeof(timebuf)) {
+ timebuf[len - 1] = '\0';
+ }
+ } else {
+ timebuf[0] = '\0';
+ }
+ printf(" %*s", (int)(strlen(timestamp_header) - 1), timebuf);
+ }
+
+ printf("\n");
+}
+
+
+static unsigned long unitConvert(unsigned long size)
+{
+ double cvSize;
+ cvSize = (double)size / dataUnit * ((statMode == SLABSTAT) ? 1 : 1024);
+ return ((unsigned long)cvSize);
+}
+
+static void new_format(void)
+{
+#define TICv(E) STAT_VAL(E, ull_int, stat_stack, stat_info)
+#define DTICv(E) STAT_VAL(E, sl_int, stat_stack, stat_info)
+#define SYSv(E) STAT_VAL(E, ul_int, stat_stack, stat_info)
+#define MEMv(E) MEMINFO_VAL(E, ul_int, mem_stack, mem_info)
+#define DSYSv(E) STAT_VAL(E, s_int, stat_stack, stat_info)
+ const char format[] =
+ "%2lu %2lu %6lu %6lu %6lu %6lu %4u %4u %5u %5u %4u %4u %2u %2u %2u %2u %2u %2u";
+ const char wide_format[] =
+ "%4lu %4lu %12lu %12lu %12lu %12lu %4u %4u %5u %5u %4u %4u %3u %3u %3u %3u %3u %3u";
+
+ unsigned int tog = 0; /* toggle switch for cleaner code */
+ unsigned int i;
+ long long cpu_use, cpu_sys, cpu_idl, cpu_iow, cpu_sto, cpu_gue;
+ long long Div, divo2;
+ unsigned long pgpgin[2], pgpgout[2], pswpin[2] = {0,0}, pswpout[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];
+ double uptime;
+ struct vmstat_info *vm_info = NULL;
+ struct stat_info *stat_info = NULL;
+ struct stat_stack *stat_stack;
+ struct meminfo_info *mem_info = NULL;
+ struct meminfo_stack *mem_stack;
+
+ sleep_half = (sleep_time / 2);
+ // long hz = procps_hertz_get();
+
+ if (procps_vmstat_new(&vm_info) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create vmstat structure"));
+ if (procps_stat_new(&stat_info) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create system stat structure"));
+ if (procps_meminfo_new(&mem_info) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create meminfo structure"));
+ if (procps_uptime(&uptime, NULL) < 0)
+ xerr(EXIT_FAILURE, _("Unable to get uptime"));
+ if (0.0 == uptime)
+ uptime = 1.0;
+ new_header();
+
+ pgpgin[tog] = VMSTAT_GET(vm_info, VMSTAT_PGPGIN, ul_int);
+ pgpgout[tog] = VMSTAT_GET(vm_info, VMSTAT_PGPGOUT, ul_int);
+ pswpin[tog] = VMSTAT_GET(vm_info, VMSTAT_PSWPIN, ul_int);
+ pswpout[tog] = VMSTAT_GET(vm_info, VMSTAT_PSWPOUT, ul_int);
+
+ if (!(mem_stack = procps_meminfo_select(mem_info, Mem_items, MAX_mem)))
+ xerrx(EXIT_FAILURE, _("Unable to select memory information"));
+
+ if (y_option == 0) {
+ if (t_option) {
+ (void) time( &the_time );
+ tm_ptr = localtime( &the_time );
+ if (tm_ptr && strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr)) {
+ ;
+ } else {
+ timebuf[0] = '\0';
+ }
+ }
+ /* Do the initial fill */
+ if (!(stat_stack = procps_stat_select(stat_info, First_stat_items, MAX_stat)))
+ xerrx(EXIT_FAILURE, _("Unable to select stat information"));
+ cpu_use = TICv(stat_USR) + TICv(stat_NIC);
+ cpu_sys = TICv(stat_SYS) + TICv(stat_IRQ) + TICv(stat_SRQ);
+ cpu_idl = TICv(stat_IDL);
+ cpu_iow = TICv(stat_IOW);
+ cpu_sto = TICv(stat_STO);
+ cpu_gue = TICv(stat_GST) + TICv(stat_GNI);
+
+ Div = cpu_use + cpu_sys + cpu_idl + cpu_iow + cpu_sto;
+ if (!Div) {
+ Div = 1;
+ cpu_idl = 1;
+ }
+ divo2 = Div / 2UL;
+ cpu_use = (cpu_use >= cpu_gue)? cpu_use - cpu_gue : 0;
+
+ printf(w_option ? wide_format : format,
+ SYSv(stat_PRU),
+ SYSv(stat_PBL),
+ unitConvert(MEMv(mem_SUS)),
+ unitConvert(MEMv(mem_FREE)),
+ unitConvert((a_option?MEMv(mem_INA):MEMv(mem_BUF))),
+ unitConvert((a_option?MEMv(mem_ACT):MEMv(mem_CAC))),
+ (unsigned)( unitConvert(VMSTAT_GET(vm_info, VMSTAT_PSWPIN, ul_int) * kb_per_page) / uptime ),
+ (unsigned)( unitConvert(VMSTAT_GET(vm_info, VMSTAT_PSWPOUT, ul_int) * kb_per_page) / uptime ),
+ (unsigned)( VMSTAT_GET(vm_info, VMSTAT_PGPGIN, ul_int) / uptime ),
+ (unsigned)( VMSTAT_GET(vm_info, VMSTAT_PGPGOUT, ul_int) / uptime ),
+ (unsigned)( SYSv(stat_INT) / uptime ),
+ (unsigned)( SYSv(stat_CTX) / Div ),
+ (unsigned)( (100*cpu_use + divo2) / Div ),
+ (unsigned)( (100*cpu_sys + divo2) / Div ),
+ (unsigned)( (100*cpu_idl + divo2) / Div ),
+ (unsigned)( (100*cpu_iow + divo2) / Div ),
+ (unsigned)( (100*cpu_sto + divo2) / Div ),
+ (unsigned)( (100*cpu_gue + divo2) / Div )
+ );
+
+ if (t_option) {
+ printf(" %s", timebuf);
+ }
+
+ printf("\n");
+ } else
+ num_updates++;
+
+ /* main loop */
+ for (i = 1; infinite_updates || i < num_updates; i++) {
+ sleep(sleep_time);
+ if (moreheaders && ((i % height) == 0))
+ new_header();
+ tog = !tog;
+
+ if (!(stat_stack = procps_stat_select(stat_info, Loop_stat_items, MAX_stat)))
+ xerrx(EXIT_FAILURE, _("Unable to select stat information"));
+
+ cpu_use = DTICv(stat_USR) + DTICv(stat_NIC);
+ cpu_sys = DTICv(stat_SYS) + DTICv(stat_IRQ) + DTICv(stat_SRQ);
+ cpu_idl = DTICv(stat_IDL);
+ cpu_iow = DTICv(stat_IOW);
+ cpu_sto = DTICv(stat_STO);
+ cpu_gue = TICv(stat_GST) + TICv(stat_GNI);
+ pgpgin[tog] = VMSTAT_GET(vm_info, VMSTAT_PGPGIN, ul_int);
+ pgpgout[tog] = VMSTAT_GET(vm_info, VMSTAT_PGPGOUT, ul_int);
+ pswpin[tog] = VMSTAT_GET(vm_info, VMSTAT_PSWPIN, ul_int);
+ pswpout[tog] = VMSTAT_GET(vm_info, VMSTAT_PSWPOUT, ul_int);
+
+ if (!(mem_stack = procps_meminfo_select(mem_info, Mem_items, MAX_mem)))
+ xerrx(EXIT_FAILURE, _("Unable to select memory information"));
+
+ if (t_option) {
+ (void) time( &the_time );
+ tm_ptr = localtime( &the_time );
+ if (tm_ptr && strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr)) {
+ ;
+ } else {
+ timebuf[0] = '\0';
+ }
+ }
+
+ /* idle can run backwards for a moment -- kernel "feature" */
+ if (debt) {
+ cpu_idl = (int)cpu_idl + debt;
+ debt = 0;
+ }
+ if ((int)cpu_idl < 0) {
+ debt = (int)cpu_idl;
+ cpu_idl = 0;
+ }
+
+ Div = cpu_use + cpu_sys + cpu_idl + cpu_iow + cpu_sto;
+ if (!Div) Div = 1, cpu_idl = 1;
+ divo2 = Div / 2UL;
+
+ /* guest time is also in user time, we need to subtract. Due to timing
+ * effects guest could be larger than user. We use 0 that case */
+ if (cpu_use >= cpu_gue) {
+ cpu_use -= cpu_gue;
+ } else {
+ cpu_use = 0;
+ }
+
+ printf(w_option ? wide_format : format,
+ SYSv(stat_PRU),
+ SYSv(stat_PBL),
+ unitConvert(MEMv(mem_SUS)),
+ unitConvert(MEMv(mem_FREE)),
+ unitConvert((a_option?MEMv(mem_INA):MEMv(mem_BUF))),
+ unitConvert((a_option?MEMv(mem_ACT):MEMv(mem_CAC))),
+ /*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)( ( DSYSv(stat_INT) +sleep_half )/sleep_time ),
+ /* cs */
+ (unsigned)( ( DSYSv(stat_CTX) +sleep_half )/sleep_time ),
+ /* us */
+ (unsigned)( (100*cpu_use+divo2)/Div ),
+ /* sy */
+ (unsigned)( (100*cpu_sys+divo2)/Div ),
+ /* id */
+ (unsigned)( (100*cpu_idl+divo2)/Div ),
+ /* wa */
+ (unsigned)( (100*cpu_iow+divo2)/Div ),
+ /* st */
+ (unsigned)( (100*cpu_sto+divo2)/Div ),
+ /* gu */
+ (unsigned)( (100*cpu_gue+divo2)/Div )
+ );
+
+ if (t_option) {
+ printf(" %s", timebuf);
+ }
+
+ printf("\n");
+ }
+ /* Cleanup */
+ procps_stat_unref(&stat_info);
+ procps_vmstat_unref(&vm_info);
+ procps_meminfo_unref(&mem_info);
+#undef TICv
+#undef DTICv
+#undef SYSv
+#undef DSYSv
+#undef MEMv
+}
+
+static void diskpartition_header(const char *partition_name)
+{
+ printf("%-10s %10s %16s %10s %16s\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 */
+ _("reads"),
+ /* Translation Hint: max 16 chars */
+ _("read sectors"),
+ /* Translation Hint: max 10 chars */
+ _("writes"),
+ /* Translation Hint: max 16 chars */
+ _("requested writes"));
+}
+
+static void diskpartition_format(const char *partition_name)
+{
+ #define partVAL(x) DISKSTATS_VAL(x, ul_int, stack, disk_stat)
+ struct diskstats_info *disk_stat = NULL;
+ struct diskstats_stack *stack;
+ struct diskstats_result *got;
+ const char format[] = "%21lu %16lu %10lu %16lu\n";
+ int i;
+
+ if (procps_diskstats_new(&disk_stat) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create diskstat structure"));
+
+ if (!(got = procps_diskstats_get(disk_stat, partition_name, DISKSTATS_TYPE)))
+ xerrx(EXIT_FAILURE, _("Disk/Partition %s not found"), partition_name);
+
+ diskpartition_header(partition_name);
+
+ for (i = 0; infinite_updates || i < num_updates ; i++) {
+ if (!(stack = procps_diskstats_select(disk_stat, partition_name, Part_items, MAX_part)))
+ xerrx(EXIT_FAILURE, _("Disk/Partition %s not found"), partition_name);
+ printf(format,
+ partVAL(part_READ),
+ partVAL(part_READ_SECT),
+ partVAL(part_WRITE),
+ partVAL(part_WRITE_SECT));
+ if (infinite_updates || i+1 < num_updates)
+ sleep(sleep_time);
+ }
+ procps_diskstats_unref(&disk_stat);
+ #undef partVAL
+}
+
+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 (tm_ptr && strftime(timebuf, sizeof(timebuf), "%Z", tm_ptr)) {
+ const size_t len = strlen(timestamp_header);
+ if (len >= 1 && len - 1 < sizeof(timebuf)) {
+ timebuf[len - 1] = '\0';
+ }
+ } else {
+ timebuf[0] = '\0';
+ }
+ printf(" %*s", (int)(strlen(timestamp_header) - 1), timebuf);
+ }
+
+ printf("\n");
+}
+
+static void diskformat(void)
+{
+#define diskVAL(e,t) DISKSTATS_VAL(e, t, reap->stacks[j], disk_stat)
+ struct diskstats_info *disk_stat = NULL;
+ struct diskstats_reaped *reap;
+ int i, j;
+ time_t the_time;
+ struct tm *tm_ptr;
+ char timebuf[32];
+ const char format[] = "%-5s %6lu %6lu %7lu %7lu %6lu %6lu %7lu %7lu %6d %6lu";
+ const char wide_format[] = "%-5s %9lu %9lu %11lu %11lu %9lu %9lu %11lu %11lu %7d %7lu";
+
+ if (procps_diskstats_new(&disk_stat) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create diskstat structure"));
+
+ if (!moreheaders)
+ diskheader();
+
+ for (i=0; infinite_updates || i < num_updates ; i++) {
+ if (!(reap = procps_diskstats_reap(disk_stat, Disk_items, MAX_disk)))
+ xerrx(EXIT_FAILURE, _("Unable to retrieve disk statistics"));
+ if (t_option) {
+ (void) time( &the_time );
+ tm_ptr = localtime( &the_time );
+ if (tm_ptr && strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr)) {
+ ;
+ } else {
+ timebuf[0] = '\0';
+ }
+ }
+ for (j = 0; j < reap->total; j++) {
+ if (diskVAL(disk_TYPE, s_int) != DISKSTATS_TYPE_DISK)
+ continue; /* not a disk */
+ if (moreheaders && ((j % height) == 0))
+ diskheader();
+ printf(w_option ? wide_format : format,
+ diskVAL(disk_NAME, str),
+ diskVAL(disk_READ, ul_int),
+ diskVAL(disk_READ_MERGE, ul_int),
+ diskVAL(disk_READ_SECT, ul_int),
+ diskVAL(disk_READ_TIME, ul_int),
+ diskVAL(disk_WRITE, ul_int),
+ diskVAL(disk_WRITE_MERGE, ul_int),
+ diskVAL(disk_WRITE_SECT, ul_int),
+ diskVAL(disk_WRITE_TIME, ul_int),
+ diskVAL(disk_IO, s_int) / 1000,
+ diskVAL(disk_IO_TIME, ul_int) / 1000);
+ if (t_option)
+ printf(" %s\n", timebuf);
+ else
+ printf("\n");
+ fflush(stdout);
+ }
+ if (infinite_updates || i+1 < num_updates)
+ sleep(sleep_time);
+ }
+#undef diskVAL
+ procps_diskstats_unref(&disk_stat);
+}
+
+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 MAX_ITEMS (int)(sizeof(node_items) / sizeof(node_items[0]))
+ #define slabVAL(e,t) SLABINFO_VAL(e, t, p, slab_info)
+ struct slabinfo_info *slab_info = NULL;
+ struct slabinfo_reaped *reaped;
+ int i, j;
+ enum slabinfo_item node_items[] = {
+ SLAB_ACTIVE_OBJS, SLAB_NUM_OBJS,
+ SLAB_OBJ_SIZE, SLAB_OBJ_PER_SLAB,
+ SLAB_NAME };
+ enum rel_enums {
+ slab_AOBJS, slab_OBJS, slab_OSIZE, slab_OPS, slab_NAME };
+
+ if (procps_slabinfo_new(&slab_info) < 0)
+ xerr(EXIT_FAILURE, _("Unable to create slabinfo structure"));
+
+ if (!moreheaders)
+ slabheader();
+
+ for (i = 0; infinite_updates || i < num_updates; i++) {
+ if (!(reaped = procps_slabinfo_reap(slab_info, node_items, MAX_ITEMS)))
+ xerrx(EXIT_FAILURE, _("Unable to get slabinfo node data"));
+ if (!(procps_slabinfo_sort(slab_info, reaped->stacks, reaped->total, SLAB_NAME, SLABINFO_SORT_ASCEND)))
+ xerrx(EXIT_FAILURE, _("Unable to sort slab nodes"));
+
+ for (j = 0; j < reaped->total; j++) {
+ struct slabinfo_stack *p = reaped->stacks[j];
+ if (moreheaders && ((j % height) == 0))
+ slabheader();
+ printf("%-24.24s %6u %6u %6u %6u\n",
+ slabVAL(slab_NAME, str),
+ slabVAL(slab_AOBJS, u_int),
+ slabVAL(slab_OBJS, u_int),
+ slabVAL(slab_OSIZE, u_int),
+ slabVAL(slab_OPS, u_int));
+ }
+ if (infinite_updates || i+1 < num_updates)
+ sleep(sleep_time);
+ }
+ procps_slabinfo_unref(&slab_info);
+ #undef MAX_ITEMS
+ #undef slabVAL
+}
+
+static void disksum_format(void)
+{
+#define diskVAL(e,t) DISKSTATS_VAL(e, t, reap->stacks[j], disk_stat)
+ struct diskstats_info *disk_stat = NULL;
+ struct diskstats_reaped *reap;
+ int j, 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 (procps_diskstats_new(&disk_stat) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create diskstat structure"));
+ if (!(reap = procps_diskstats_reap(disk_stat, Disk_items, MAX_disk)))
+ xerrx(EXIT_FAILURE, _("Unable to retrieve disk statistics"));
+
+ for (j = 0; j < reap->total; j++) {
+ if (diskVAL(disk_TYPE, s_int) != DISKSTATS_TYPE_DISK) {
+ part_count++;
+ continue; /* not a disk */
+ }
+ disk_count++;
+
+ reads += diskVAL(disk_READ, ul_int);
+ merged_reads += diskVAL(disk_READ_MERGE, ul_int);
+ read_sectors += diskVAL(disk_READ_SECT, ul_int);
+ milli_reading += diskVAL(disk_READ_TIME, ul_int);
+ writes += diskVAL(disk_WRITE, ul_int);
+ merged_writes += diskVAL(disk_WRITE_MERGE, ul_int);
+ written_sectors += diskVAL(disk_WRITE_SECT, ul_int);
+ milli_writing += diskVAL(disk_WRITE_TIME, ul_int);
+ inprogress_IO += diskVAL(disk_IO, s_int) / 1000;
+ milli_spent_IO += diskVAL(disk_IO_TIME, ul_int) / 1000;
+ weighted_milli_spent_IO += diskVAL(disk_IO_WTIME, ul_int) / 1000;
+ }
+ printf(_("%13d disks\n"), disk_count); // <== old vmstat had a trailing space here
+ printf(_("%13d partitions\n"), part_count); // <== old vmstat had a trailing space here too
+ printf(_("%13lu total 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);
+
+ procps_diskstats_unref(&disk_stat);
+#undef diskVAL
+}
+
+static void sum_format(void)
+{
+#define TICv(E) STAT_VAL(E, ull_int, stat_stack, stat_info)
+#define SYSv(E) STAT_VAL(E, ul_int, stat_stack, stat_info)
+#define MEMv(E) unitConvert(MEMINFO_VAL(E, ul_int, mem_stack, mem_info))
+ struct stat_info *stat_info = NULL;
+ struct vmstat_info *vm_info = NULL;
+ struct meminfo_info *mem_info = NULL;
+ struct stat_stack *stat_stack;
+ struct meminfo_stack *mem_stack;
+
+ if (procps_stat_new(&stat_info) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create system stat structure"));
+ if (!(stat_stack = procps_stat_select(stat_info, Sum_stat_items, 14)))
+ xerrx(EXIT_FAILURE, _("Unable to select stat information"));
+ if (procps_vmstat_new(&vm_info) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create vmstat structure"));
+ if (procps_meminfo_new(&mem_info) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create meminfo structure"));
+ if (!(mem_stack = procps_meminfo_select(mem_info, Sum_mem_items, 10)))
+ xerrx(EXIT_FAILURE, _("Unable to select memory information"));
+
+ printf(_("%13lu %s total memory\n"), MEMv(smem_MTOT), szDataUnit);
+ printf(_("%13lu %s used memory\n"), MEMv(smem_MUSE), szDataUnit);
+ printf(_("%13lu %s active memory\n"), MEMv(smem_MACT), szDataUnit);
+ printf(_("%13lu %s inactive memory\n"), MEMv(smem_MIAC), szDataUnit);
+ printf(_("%13lu %s free memory\n"), MEMv(smem_MFRE), szDataUnit);
+ printf(_("%13lu %s buffer memory\n"), MEMv(smem_MBUF), szDataUnit);
+ printf(_("%13lu %s swap cache\n"), MEMv(smem_MCAC), szDataUnit);
+ printf(_("%13lu %s total swap\n"), MEMv(smem_STOT), szDataUnit);
+ printf(_("%13lu %s used swap\n"), MEMv(smem_SUSE), szDataUnit);
+ printf(_("%13lu %s free swap\n"), MEMv(smem_SFRE), szDataUnit);
+ printf(_("%13lld non-nice user cpu ticks\n"), TICv(sstat_USR));
+ printf(_("%13lld nice user cpu ticks\n"), TICv(sstat_NIC));
+ printf(_("%13lld system cpu ticks\n"), TICv(sstat_SYS));
+ printf(_("%13lld idle cpu ticks\n"), TICv(sstat_IDL));
+ printf(_("%13lld IO-wait cpu ticks\n"), TICv(sstat_IOW));
+ printf(_("%13lld IRQ cpu ticks\n"), TICv(sstat_IRQ));
+ printf(_("%13lld softirq cpu ticks\n"), TICv(sstat_SRQ));
+ printf(_("%13lld stolen cpu ticks\n"), TICv(sstat_STO));
+ printf(_("%13lld non-nice guest cpu ticks\n"), TICv(sstat_GST));
+ printf(_("%13lld nice guest cpu ticks\n"), TICv(sstat_GNI));
+ printf(_("%13lu K paged in\n"), VMSTAT_GET(vm_info, VMSTAT_PGPGIN, ul_int));
+ printf(_("%13lu K paged out\n"), VMSTAT_GET(vm_info, VMSTAT_PGPGOUT, ul_int));
+ printf(_("%13lu pages swapped in\n"), VMSTAT_GET(vm_info, VMSTAT_PSWPIN, ul_int));
+ printf(_("%13lu pages swapped out\n"), VMSTAT_GET(vm_info, VMSTAT_PSWPOUT, ul_int));
+ printf(_("%13lu interrupts\n"), SYSv(sstat_INT));
+ printf(_("%13lu CPU context switches\n"), SYSv(sstat_CTX));
+ printf(_("%13lu boot time\n"), SYSv(sstat_TOB));
+ printf(_("%13lu forks\n"), SYSv(sstat_PCR));
+
+ /* Cleanup */
+ procps_stat_unref(&stat_info);
+ procps_vmstat_unref(&vm_info);
+ procps_meminfo_unref(&mem_info);
+#undef TICv
+#undef SYSv
+#undef MEMv
+}
+
+static void fork_format(void)
+{
+ struct stat_info *stat_info = NULL;
+
+ if (procps_stat_new(&stat_info) < 0)
+ xerrx(EXIT_FAILURE, _("Unable to create system stat structure"));
+
+ printf(_("%13lu forks\n"), STAT_GET(stat_info, STAT_SYS_PROC_CREATED, ul_int));
+ /* Cleanup */
+ procps_stat_unref(&stat_info);
+}
+
+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'},
+ {"no-first", no_argument, NULL, 'y'},
+ {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:wthVy", longopts, NULL)) != -1)
+ 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 (strncmp(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:
+ /* Translation Hint: do not change argument characters */
+ xerrx(EXIT_FAILURE, _("-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;
+ case 'y':
+ /* Don't display stats since system restart */
+ y_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):
+ diskpartition_format(partition);
+ break;
+ case (SLABSTAT):
+ slabformat();
+ break;
+ case (DISKSUMSTAT):
+ disksum_format();
+ break;
+ default:
+ usage(stderr);
+ break;
+ }
+ return 0;
+}