vmstat: use new API for meminfo and stat
Update vmstat to use the select functions for both the stat and memory information.
This commit is contained in:
Craig Small
parent
90753e2d5b
commit
d8d375fce2
382
vmstat.c
382
vmstat.c
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@ -203,190 +203,242 @@ static unsigned long unitConvert(unsigned long size)
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return ((unsigned long)cvSize);
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}
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static enum stat_item First_stat_items[] = {
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PROCPS_STAT_SYS_DELTA_PROC_RUNNING,
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PROCPS_STAT_SYS_DELTA_PROC_BLOCKED,
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PROCPS_STAT_SYS_DELTA_INTERRUPTS,
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PROCPS_STAT_SYS_DELTA_CTX_SWITCHES,
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PROCPS_STAT_TIC_USER,
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PROCPS_STAT_TIC_NICE,
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PROCPS_STAT_TIC_SYSTEM,
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PROCPS_STAT_TIC_IRQ,
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PROCPS_STAT_TIC_SOFTIRQ,
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PROCPS_STAT_TIC_IDLE,
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PROCPS_STAT_TIC_IOWAIT,
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PROCPS_STAT_TIC_STOLEN
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};
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static enum stat_item Loop_stat_items[] = {
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PROCPS_STAT_SYS_PROC_RUNNING,
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PROCPS_STAT_SYS_PROC_BLOCKED,
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PROCPS_STAT_SYS_DELTA_INTERRUPTS,
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PROCPS_STAT_SYS_DELTA_CTX_SWITCHES,
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PROCPS_STAT_TIC_DELTA_USER,
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PROCPS_STAT_TIC_DELTA_NICE,
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PROCPS_STAT_TIC_DELTA_SYSTEM,
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PROCPS_STAT_TIC_DELTA_IRQ,
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PROCPS_STAT_TIC_DELTA_SOFTIRQ,
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PROCPS_STAT_TIC_DELTA_IDLE,
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PROCPS_STAT_TIC_DELTA_IOWAIT,
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PROCPS_STAT_TIC_DELTA_STOLEN
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};
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enum Rel_statitems {
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stat_PRU, stat_PBL,
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stat_INT, stat_CTX,
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stat_USR, stat_NIC, stat_SYS, stat_IRQ, stat_SRQ,
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stat_IDL, stat_IOW, stat_STO};
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static enum meminfo_item Mem_items[] = {
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PROCPS_MEMINFO_SWAP_USED,
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PROCPS_MEMINFO_MEM_FREE,
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PROCPS_MEMINFO_MEM_ACTIVE,
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PROCPS_MEMINFO_MEM_INACTIVE,
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PROCPS_MEMINFO_MEM_BUFFERS,
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PROCPS_MEMINFO_MEM_CACHED
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};
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enum Rel_memitems {
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mem_SUS, mem_FREE,
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mem_ACT, mem_INA,
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mem_BUF, mem_CAC
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};
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static void new_format(void)
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{
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const char format[] =
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"%2lld %2lld %6lu %6lu %6lu %6lu %4u %4u %5u %5u %4u %4u %2u %2u %2u %2u %2u";
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const char wide_format[] =
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"%2lld %2lld %12lu %12lu %12lu %12lu %4u %4u %5u %5u %4u %4u %3u %3u %3u %3u %3u";
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#define TICv(E) PROCPS_STAT_VAL(E, ull_int, stat_stack)
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#define DTICv(E) PROCPS_STAT_VAL(E, sl_int, stat_stack)
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#define SYSv(E) PROCPS_STAT_VAL(E, ul_int, stat_stack)
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#define MEMv(E) PROCPS_STAT_VAL(E, ul_int, mem_stack)
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#define DSYSv(E) PROCPS_STAT_VAL(E, s_int, stat_stack)
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const char format[] =
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"%2lu %2lu %6lu %6lu %6lu %6lu %4u %4u %5u %5u %4u %4u %2u %2u %2u %2u %2u";
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const char wide_format[] =
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"%2lu %2lu %12lu %12lu %12lu %12lu %4u %4u %5u %5u %4u %4u %3u %3u %3u %3u %3u";
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unsigned int tog = 0; /* toggle switch for cleaner code */
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unsigned int i;
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long hz;
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long long cpu_use[2], cpu_sys[2], cpu_idl[2], cpu_iow[2], cpu_sto[2];
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long long duse, dsys, didl, diow, dstl, Div, divo2;
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unsigned long pgpgin[2], pgpgout[2], pswpin[2] = {0,0}, pswpout[2];
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unsigned int intr[2], ctxt[2];
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unsigned int sleep_half;
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unsigned long kb_per_page = sysconf(_SC_PAGESIZE) / 1024ul;
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int debt = 0; /* handle idle ticks running backwards */
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struct tm *tm_ptr;
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time_t the_time;
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char timebuf[32];
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struct procps_vmstat *vm_info = NULL;
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struct procps_statinfo *sys_info = NULL;
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struct procps_meminfo *mem_info = NULL;
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unsigned int tog = 0; /* toggle switch for cleaner code */
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unsigned int i;
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long hz;
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long long cpu_use, cpu_sys, cpu_idl, cpu_iow, cpu_sto;
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long long Div, divo2;
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unsigned long pgpgin[2], pgpgout[2], pswpin[2] = {0,0}, pswpout[2];
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unsigned int sleep_half;
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unsigned long kb_per_page = sysconf(_SC_PAGESIZE) / 1024ul;
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int debt = 0; /* handle idle ticks running backwards */
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struct tm *tm_ptr;
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time_t the_time;
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char timebuf[32];
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struct procps_vmstat *vm_info = NULL;
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struct procps_statinfo *sys_info = NULL;
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struct stat_stack *stat_stack;
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struct procps_meminfo *mem_info = NULL;
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struct meminfo_stack *mem_stack;
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sleep_half = (sleep_time / 2);
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hz = procps_hertz_get();
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new_header();
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sleep_half = (sleep_time / 2);
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hz = procps_hertz_get();
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new_header();
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if (procps_vmstat_new(&vm_info) < 0)
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xerrx(EXIT_FAILURE,
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_("Unable to create vmstat structure"));
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if (procps_vmstat_read(vm_info) < 0)
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xerrx(EXIT_FAILURE,
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_("Unable to read vmstat information"));
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if (procps_stat_new(&sys_info) < 0)
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xerrx(EXIT_FAILURE,
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_("Unable to create system stat structure"));
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if (procps_meminfo_new(&mem_info) < 0)
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xerrx(EXIT_FAILURE, _("Unable to create meminfo structure"));
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if (procps_vmstat_new(&vm_info) < 0)
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xerrx(EXIT_FAILURE,
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_("Unable to create vmstat structure"));
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if (procps_vmstat_read(vm_info) < 0)
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xerrx(EXIT_FAILURE,
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_("Unable to read vmstat information"));
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if (procps_stat_new(&sys_info) < 0)
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xerrx(EXIT_FAILURE,
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_("Unable to create system stat structure"));
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if (procps_meminfo_new(&mem_info) < 0)
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xerrx(EXIT_FAILURE, _("Unable to create meminfo structure"));
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
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}
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/* Do the initial fill */
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cpu_use[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_USER) +
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procps_stat_get(sys_info, PROCPS_STAT_TIC_NICE);
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cpu_sys[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_SYSTEM) +
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procps_stat_get(sys_info, PROCPS_STAT_TIC_IRQ) +
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procps_stat_get(sys_info, PROCPS_STAT_TIC_SOFTIRQ);
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cpu_idl[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_IDLE);
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cpu_iow[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_IOWAIT);
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cpu_sto[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_STOLEN);
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intr[tog] = procps_stat_get(sys_info, PROCPS_STAT_SYS_INTERRUPTS);
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ctxt[tog] = procps_stat_get(sys_info, PROCPS_STAT_SYS_CTX_SWITCHES);
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pgpgin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN);
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pgpgout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT);
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pswpin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN);
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pswpout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT);
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
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}
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/* Do the initial fill */
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if ((stat_stack = procps_stat_select(sys_info, First_stat_items, 12)) ==
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NULL)
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xerrx(EXIT_FAILURE,
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_("Unable to select stat information"));
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cpu_use = TICv(stat_USR) + TICv(stat_NIC);
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cpu_sys = TICv(stat_SYS) + TICv(stat_IRQ) + TICv(stat_SRQ);
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cpu_idl = TICv(stat_IDL);
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cpu_iow = TICv(stat_IOW);
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cpu_sto = TICv(stat_STO);
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Div = cpu_use[tog] + cpu_sys[tog] + cpu_idl[tog] + cpu_iow[tog] + cpu_sto[tog];
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if (!Div) {
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Div = 1;
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cpu_idl[tog] = 1;
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}
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divo2 = Div / 2UL;
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pgpgin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN);
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pgpgout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT);
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pswpin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN);
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pswpout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT);
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printf(w_option ? wide_format : format,
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procps_stat_get(sys_info, PROCPS_STAT_SYS_PROC_RUNNING),
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procps_stat_get(sys_info, PROCPS_STAT_SYS_PROC_BLOCKED),
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unitConvert(procps_meminfo_get(mem_info, PROCPS_MEMINFO_SWAP_USED)),
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unitConvert(procps_meminfo_get(mem_info, PROCPS_MEMINFO_MEM_FREE)),
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unitConvert(procps_meminfo_get(mem_info, (a_option?PROCPS_MEMINFO_MEM_INACTIVE:PROCPS_MEMINFO_MEM_BUFFERS))),
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unitConvert(procps_meminfo_get(mem_info, a_option?PROCPS_MEMINFO_MEM_ACTIVE:PROCPS_MEMINFO_MEM_CACHED)),
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(unsigned)( (unitConvert(procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN) * kb_per_page) * hz + divo2) / Div ),
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(unsigned)( (unitConvert(procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT) * kb_per_page) * hz + divo2) / Div ),
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(unsigned)( (procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN) * hz + divo2) / Div ),
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(unsigned)( (procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT) * hz + divo2) / Div ),
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(unsigned)( (intr[tog] * hz + divo2) / Div ),
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(unsigned)( (ctxt[tog] * hz + divo2) / Div ),
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(unsigned)( (100*cpu_use[tog] + divo2) / Div ),
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(unsigned)( (100*cpu_sys[tog] + divo2) / Div ),
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(unsigned)( (100*cpu_idl[tog] + divo2) / Div ),
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(unsigned)( (100*cpu_iow[tog] + divo2) / Div ),
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(unsigned)( (100*cpu_sto[tog] + divo2) / Div )
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);
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if ((mem_stack = procps_meminfo_select(mem_info, Mem_items, 6)) ==
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NULL)
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xerrx(EXIT_FAILURE,
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_("Unable to select memory information"));
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if (t_option) {
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printf(" %s", timebuf);
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}
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Div = cpu_use + cpu_sys + cpu_idl + cpu_iow + cpu_sto;
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if (!Div) {
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Div = 1;
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cpu_idl = 1;
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}
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divo2 = Div / 2UL;
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printf("\n");
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printf(w_option ? wide_format : format,
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SYSv(stat_PRU),
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SYSv(stat_PBL),
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unitConvert(MEMv(mem_SUS)),
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unitConvert(MEMv(mem_FREE)),
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unitConvert((a_option?MEMv(mem_INA):MEMv(mem_BUF))),
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unitConvert((a_option?MEMv(mem_ACT):MEMv(mem_CAC))),
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(unsigned)( (unitConvert(procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN) * kb_per_page) * hz + divo2) / Div ),
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(unsigned)( (unitConvert(procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT) * kb_per_page) * hz + divo2) / Div ),
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(unsigned)( (procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN) * hz + divo2) / Div ),
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(unsigned)( (procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT) * hz + divo2) / Div ),
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(unsigned)( (SYSv(stat_INT) * hz + divo2) / Div ),
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(unsigned)( (SYSv(stat_CTX) * hz + divo2) / Div ),
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(unsigned)( (100*cpu_use + divo2) / Div ),
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(unsigned)( (100*cpu_sys + divo2) / Div ),
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(unsigned)( (100*cpu_idl + divo2) / Div ),
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(unsigned)( (100*cpu_iow + divo2) / Div ),
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(unsigned)( (100*cpu_sto + divo2) / Div )
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);
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/* main loop */
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for (i = 1; infinite_updates || i < num_updates; i++) {
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sleep(sleep_time);
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if (moreheaders && ((i % height) == 0))
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new_header();
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tog = !tog;
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if (t_option) {
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printf(" %s", timebuf);
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}
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if (procps_vmstat_read(vm_info) < 0)
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xerrx(EXIT_FAILURE,
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_("Unable to read vmstat information"));
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printf("\n");
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cpu_use[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_USER) +
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procps_stat_get(sys_info, PROCPS_STAT_TIC_NICE);
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cpu_sys[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_SYSTEM) +
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procps_stat_get(sys_info, PROCPS_STAT_TIC_IRQ) +
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procps_stat_get(sys_info, PROCPS_STAT_TIC_SOFTIRQ);
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cpu_idl[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_IDLE);
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cpu_iow[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_IOWAIT);
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cpu_sto[tog] = procps_stat_get(sys_info, PROCPS_STAT_TIC_STOLEN);
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intr[tog] = procps_stat_get(sys_info, PROCPS_STAT_SYS_INTERRUPTS);
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ctxt[tog] = procps_stat_get(sys_info, PROCPS_STAT_SYS_CTX_SWITCHES);
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pgpgin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN);
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pgpgout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT);
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pswpin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN);
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pswpout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT);
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/* main loop */
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for (i = 1; infinite_updates || i < num_updates; i++) {
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sleep(sleep_time);
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if (moreheaders && ((i % height) == 0))
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new_header();
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tog = !tog;
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
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}
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if (procps_vmstat_read(vm_info) < 0)
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xerrx(EXIT_FAILURE,
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_("Unable to read vmstat information"));
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if ((stat_stack = procps_stat_select(sys_info, Loop_stat_items, 12)) == NULL)
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xerrx(EXIT_FAILURE,
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_("Unable to select stat information"));
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duse = cpu_use[tog] - cpu_use[!tog];
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dsys = cpu_sys[tog] - cpu_sys[!tog];
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didl = cpu_idl[tog] - cpu_idl[!tog];
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diow = cpu_iow[tog] - cpu_iow[!tog];
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dstl = cpu_sto[tog] - cpu_sto[!tog];
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cpu_use = DTICv(stat_USR) + DTICv(stat_NIC);
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cpu_sys = DTICv(stat_SYS) + DTICv(stat_IRQ) + DTICv(stat_SRQ);
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cpu_idl = DTICv(stat_IDL);
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cpu_iow = DTICv(stat_IOW);
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cpu_sto = DTICv(stat_STO);
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pgpgin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGIN);
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pgpgout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PGPGOUT);
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pswpin[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPIN);
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pswpout[tog] = procps_vmstat_get(vm_info, PROCPS_VMSTAT_PSWPOUT);
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/* idle can run backwards for a moment -- kernel "feature" */
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if (debt) {
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didl = (int)didl + debt;
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debt = 0;
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}
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if ((int)didl < 0) {
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debt = (int)didl;
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didl = 0;
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}
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
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}
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Div = duse + dsys + didl + diow + dstl;
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if (!Div) Div = 1, didl = 1;
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divo2 = Div / 2UL;
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printf(w_option ? wide_format : format,
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procps_stat_get(sys_info, PROCPS_STAT_SYS_PROC_RUNNING),
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procps_stat_get(sys_info, PROCPS_STAT_SYS_PROC_BLOCKED),
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unitConvert(procps_meminfo_get(mem_info, PROCPS_MEMINFO_SWAP_USED)),
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unitConvert(procps_meminfo_get(mem_info, PROCPS_MEMINFO_MEM_FREE)),
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unitConvert(procps_meminfo_get(mem_info,
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(a_option?PROCPS_MEMINFO_MEM_INACTIVE:PROCPS_MEMINFO_MEM_BUFFERS))),
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unitConvert(procps_meminfo_get(mem_info,
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(a_option?PROCPS_MEMINFO_MEM_ACTIVE:PROCPS_MEMINFO_MEM_CACHED))),
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/*si */
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(unsigned)( ( unitConvert((pswpin [tog] - pswpin [!tog])*kb_per_page)+sleep_half )/sleep_time ),
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/* so */
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(unsigned)( ( unitConvert((pswpout[tog] - pswpout[!tog])*kb_per_page)+sleep_half )/sleep_time ),
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/* bi */
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(unsigned)( ( pgpgin [tog] - pgpgin [!tog] +sleep_half )/sleep_time ),
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/* bo */
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(unsigned)( ( pgpgout[tog] - pgpgout[!tog] +sleep_half )/sleep_time ),
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/* in */
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(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 )
|
||||
);
|
||||
/* 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;
|
||||
}
|
||||
|
||||
if (t_option) {
|
||||
printf(" %s", timebuf);
|
||||
}
|
||||
Div = cpu_use + cpu_sys + cpu_idl + cpu_iow + cpu_sto;
|
||||
if (!Div) Div = 1, cpu_idl = 1;
|
||||
divo2 = Div / 2UL;
|
||||
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 )
|
||||
);
|
||||
|
||||
printf("\n");
|
||||
}
|
||||
if (t_option) {
|
||||
printf(" %s", timebuf);
|
||||
}
|
||||
|
||||
printf("\n");
|
||||
}
|
||||
/* Cleanup */
|
||||
procps_stat_unref(&sys_info);
|
||||
procps_vmstat_unref(&vm_info);
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user