handle Linux 2.5.xx ABI
This commit is contained in:
albert
parent
e06a86f162
commit
eeb598fd98
46
oldtop.c
46
oldtop.c
@ -1303,6 +1303,52 @@ static void show_meminfo(void)
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}
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/***********************************************************************
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* The /proc filesystem calculates idle=jiffies-(user+nice+sys) and we
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* recover jiffies by adding up the 4 numbers we are given. SMP kernels
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* (as of pre-2.4 era) can report idle time going backwards, perhaps due
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* to non-atomic reads and updates. There is no locking for these values.
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*/
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#ifndef NAN
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#define NAN (-0.0)
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#endif
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#define JT unsigned long long
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static void four_cpu_numbers(double *uret, double *nret, double *sret, double *iret){
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double tmp_u, tmp_n, tmp_s, tmp_i;
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double scale; /* scale values to % */
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static JT old_u, old_n, old_s, old_i;
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JT new_u, new_n, new_s, new_i;
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JT ticks_past; /* avoid div-by-0 by not calling too often :-( */
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FILE_TO_BUF(STAT_FILE,stat_fd);
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sscanf(buf, "cpu %Lu %Lu %Lu %Lu", &new_u, &new_n, &new_s, &new_i);
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ticks_past = (new_u+new_n+new_s+new_i)-(old_u+old_n+old_s+old_i);
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if(ticks_past){
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scale = 100.0 / (double)ticks_past;
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tmp_u = ( (double)new_u - (double)old_u ) * scale;
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tmp_n = ( (double)new_n - (double)old_n ) * scale;
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tmp_s = ( (double)new_s - (double)old_s ) * scale;
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tmp_i = ( (double)new_i - (double)old_i ) * scale;
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}else{
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tmp_u = NAN;
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tmp_n = NAN;
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tmp_s = NAN;
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tmp_i = NAN;
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}
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SET_IF_DESIRED(uret, tmp_u);
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SET_IF_DESIRED(nret, tmp_n);
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SET_IF_DESIRED(sret, tmp_s);
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SET_IF_DESIRED(iret, tmp_i);
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old_u=new_u;
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old_n=new_n;
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old_s=new_s;
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old_i=new_i;
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}
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#undef JT
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/***********************************************************************/
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/*
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* Calculates the number of tasks in each state (running, sleeping, etc.).
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* Calculates the CPU time in each state (system, user, nice, etc).
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153
proc/sysinfo.c
153
proc/sysinfo.c
@ -39,6 +39,8 @@ static int uptime_fd = -1;
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static int loadavg_fd = -1;
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#define MEMINFO_FILE "/proc/meminfo"
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static int meminfo_fd = -1;
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#define VMINFO_FILE "/proc/vmstat"
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static int vminfo_fd = -1;
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static char buf[1024];
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@ -170,7 +172,7 @@ static void init_Hertz_value(void){
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/***********************************************************************
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* The /proc filesystem calculates idle=jiffies-(user+nice+sys) and we
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* recover jiffies by adding up the 4 numbers we are given. SMP kernels
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* recover jiffies by adding up the 4 or 5 numbers we are given. SMP kernels
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* (as of pre-2.4 era) can report idle time going backwards, perhaps due
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* to non-atomic reads and updates. There is no locking for these values.
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*/
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@ -178,36 +180,40 @@ static void init_Hertz_value(void){
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#define NAN (-0.0)
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#endif
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#define JT unsigned long long
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void four_cpu_numbers(double *uret, double *nret, double *sret, double *iret){
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double tmp_u, tmp_n, tmp_s, tmp_i;
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void five_cpu_numbers(double *uret, double *nret, double *sret, double *iret, double *Iret){
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double tmp_u, tmp_n, tmp_s, tmp_i, tmp_I;
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double scale; /* scale values to % */
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static JT old_u, old_n, old_s, old_i;
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JT new_u, new_n, new_s, new_i;
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static JT old_u, old_n, old_s, old_i, old_I;
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JT new_u, new_n, new_s, new_i, new_I;
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JT ticks_past; /* avoid div-by-0 by not calling too often :-( */
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FILE_TO_BUF(STAT_FILE,stat_fd);
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sscanf(buf, "cpu %Lu %Lu %Lu %Lu", &new_u, &new_n, &new_s, &new_i);
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ticks_past = (new_u+new_n+new_s+new_i)-(old_u+old_n+old_s+old_i);
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sscanf(buf, "cpu %Lu %Lu %Lu %Lu %Lu", &new_u, &new_n, &new_s, &new_i, &new_I);
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ticks_past = (new_u+new_n+new_s+new_i+new_I)-(old_u+old_n+old_s+old_i+old_I);
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if(ticks_past){
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scale = 100.0 / (double)ticks_past;
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tmp_u = ( (double)new_u - (double)old_u ) * scale;
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tmp_n = ( (double)new_n - (double)old_n ) * scale;
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tmp_s = ( (double)new_s - (double)old_s ) * scale;
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tmp_i = ( (double)new_i - (double)old_i ) * scale;
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tmp_I = ( (double)new_I - (double)old_I ) * scale;
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}else{
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tmp_u = NAN;
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tmp_n = NAN;
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tmp_s = NAN;
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tmp_i = NAN;
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tmp_I = NAN;
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}
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SET_IF_DESIRED(uret, tmp_u);
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SET_IF_DESIRED(nret, tmp_n);
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SET_IF_DESIRED(sret, tmp_s);
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SET_IF_DESIRED(iret, tmp_i);
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SET_IF_DESIRED(iret, tmp_I);
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old_u=new_u;
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old_n=new_n;
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old_s=new_s;
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old_i=new_i;
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old_i=new_I;
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}
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#undef JT
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@ -267,6 +273,14 @@ static int compare_mem_table_structs(const void *a, const void *b){
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* LowFree: 1436 kB
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* SwapTotal: 122580 kB old
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* SwapFree: 60352 kB old
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* Inactive: 20420 kB 2.5.41+
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* Dirty: 0 kB 2.5.41+
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* Writeback: 0 kB 2.5.41+
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* Mapped: 9792 kB 2.5.41+
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* Slab: 4564 kB 2.5.41+
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* Committed_AS: 8440 kB 2.5.41+
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* PageTables: 304 kB 2.5.41+
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* ReverseMaps: 5738 2.5.41+
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*/
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/* obsolete */
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@ -292,6 +306,16 @@ unsigned kb_swap_cached; /* late 2.4 only */
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/* derived values */
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unsigned kb_swap_used;
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unsigned kb_main_used;
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/* 2.5.41+ */
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unsigned kb_writeback;
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unsigned kb_slab;
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unsigned nr_reversemaps;
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unsigned kb_active;
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unsigned kb_committed_as;
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unsigned kb_dirty;
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unsigned kb_inactive;
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unsigned kb_mapped;
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unsigned kb_pagetables;
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void meminfo(void){
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char namebuf[16]; /* big enough to hold any row name */
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@ -303,24 +327,34 @@ void meminfo(void){
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{"Active", &kb_active},
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{"Buffers", &kb_main_buffers},
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{"Cached", &kb_main_cached},
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{"Committed_AS", &kb_committed_as},
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{"Dirty", &kb_dirty},
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{"HighFree", &kb_high_free},
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{"HighTotal", &kb_high_total},
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{"Inact_clean", &kb_inact_clean},
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{"Inact_dirty", &kb_inact_dirty},
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{"Inact_target", &kb_inact_target},
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{"Inactive", &kb_inactive},
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{"LowFree", &kb_low_free},
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{"LowTotal", &kb_low_total},
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{"Mapped", &kb_mapped},
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{"MemFree", &kb_main_free},
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{"MemShared", &kb_main_shared},
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{"MemTotal", &kb_main_total},
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{"PageTables", &kb_pagetables},
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{"ReverseMaps", &nr_reversemaps},
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{"Slab", &kb_slab},
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{"SwapCached", &kb_swap_cached},
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{"SwapFree", &kb_swap_free},
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{"SwapTotal", &kb_swap_total}
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{"SwapTotal", &kb_swap_total},
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{"Writeback", &kb_writeback}
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};
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const int mem_table_count = sizeof(mem_table)/sizeof(mem_table_struct);
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FILE_TO_BUF(MEMINFO_FILE,meminfo_fd);
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kb_inactive = -1;
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head = buf;
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for(;;){
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tail = strchr(head, ':');
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@ -346,6 +380,109 @@ nextline:
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kb_low_total = kb_main_total;
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kb_low_free = kb_main_free;
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}
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if(kb_inactive==-1){
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kb_inactive = kb_inact_dirty + kb_inact_clean;
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}
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kb_swap_used = kb_swap_total - kb_swap_free;
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kb_main_used = kb_main_total - kb_main_free;
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}
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/*****************************************************************/
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/* read /proc/vminfo only for 2.5.41 and above */
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typedef struct vm_table_struct {
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const char *name; /* VM statistic name */
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const unsigned *slot; /* slot in return struct */
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} vm_table_struct;
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static int compare_vm_table_structs(const void *a, const void *b){
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return strcmp(((vm_table_struct*)a)->name,((vm_table_struct*)b)->name);
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}
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unsigned vm_nr_dirty;
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unsigned vm_nr_writeback;
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unsigned vm_nr_pagecache;
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unsigned vm_nr_page_table_pages;
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unsigned vm_nr_reverse_maps;
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unsigned vm_nr_mapped;
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unsigned vm_nr_slab;
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unsigned vm_pgpgin;
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unsigned vm_pgpgout;
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unsigned vm_pswpin; /* same as 1st num on /proc/stat swap line */
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unsigned vm_pswpout; /* same as 2nd num on /proc/stat swap line */
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unsigned vm_pgalloc;
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unsigned vm_pgfree;
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unsigned vm_pgactivate;
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unsigned vm_pgdeactivate;
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unsigned vm_pgfault;
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unsigned vm_pgmajfault;
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unsigned vm_pgscan;
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unsigned vm_pgrefill;
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unsigned vm_pgsteal;
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unsigned vm_kswapd_steal;
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unsigned vm_pageoutrun;
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unsigned vm_allocstall;
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void vminfo(void){
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char namebuf[16]; /* big enough to hold any row name */
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vm_table_struct findme = { namebuf, NULL};
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vm_table_struct *found;
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char *head;
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char *tail;
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static const vm_table_struct vm_table[] = {
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{"allocstall", &vm_allocstall},
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{"kswapd_steal", &vm_kswapd_steal},
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{"nr_dirty", &vm_nr_dirty},
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{"nr_mapped", &vm_nr_mapped},
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{"nr_page_table_pages", &vm_nr_page_table_pages},
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{"nr_pagecache", &vm_nr_pagecache},
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{"nr_reverse_maps", &vm_nr_reverse_maps},
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{"nr_slab", &vm_nr_slab},
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{"nr_writeback", &vm_nr_writeback},
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{"pageoutrun", &vm_pageoutrun},
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{"pgactivate", &vm_pgactivate},
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{"pgalloc", &vm_pgalloc},
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{"pgdeactivate", &vm_pgdeactivate},
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{"pgfault", &vm_pgfault},
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{"pgfree", &vm_pgfree},
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{"pgmajfault", &vm_pgmajfault},
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{"pgpgin", &vm_pgpgin},
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{"pgpgout", &vm_pgpgout},
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{"pgrefill", &vm_pgrefill},
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{"pgscan", &vm_pgscan},
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{"pgsteal", &vm_pgsteal},
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{"pswpin", &vm_pswpin},
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{"pswpout", &vm_pswpout}
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};
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const int vm_table_count = sizeof(vm_table)/sizeof(vm_table_struct);
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FILE_TO_BUF(VMINFO_FILE,vminfo_fd);
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head = buf;
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for(;;){
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tail = strchr(head, ' ');
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if(!tail) break;
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*tail = '\0';
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if(strlen(head) >= sizeof(namebuf)){
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head = tail+1;
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goto nextline;
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}
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strcpy(namebuf,head);
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found = bsearch(&findme, vm_table, vm_table_count,
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sizeof(vm_table_struct), compare_vm_table_structs
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);
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head = tail+1;
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if(!found) goto nextline;
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*(found->slot) = strtoul(head,&tail,10);
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nextline:
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//if(found) fprintf(stderr,"%s=%d\n",found->name,*(found->slot));
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//else fprintf(stderr,"%s not found\n",findme.name);
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tail = strchr(head, '\n');
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if(!tail) break;
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head = tail+1;
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}
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}
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/*****************************************************************/
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@ -5,7 +5,7 @@ extern unsigned long long Hertz; /* clock tick frequency */
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extern long smp_num_cpus; /* number of CPUs */
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#define JT double
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extern void four_cpu_numbers(JT *uret, JT *nret, JT *sret, JT *iret);
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extern void five_cpu_numbers(JT *uret, JT *nret, JT *sret, JT *iret, JT *Iret);
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#undef JT
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extern int uptime (double *uptime_secs, double *idle_secs);
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@ -35,7 +35,44 @@ extern unsigned kb_swap_cached; /* late 2.4 only */
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/* derived values */
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extern unsigned kb_swap_used;
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extern unsigned kb_main_used;
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/* 2.5.41+ */
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extern unsigned kb_writeback;
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extern unsigned kb_slab;
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extern unsigned nr_reversemaps;
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extern unsigned kb_active;
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extern unsigned kb_committed_as;
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extern unsigned kb_dirty;
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extern unsigned kb_inactive;
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extern unsigned kb_mapped;
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extern unsigned kb_pagetables;
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extern void meminfo(void);
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extern unsigned vm_nr_dirty;
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extern unsigned vm_nr_writeback;
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extern unsigned vm_nr_pagecache;
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extern unsigned vm_nr_page_table_pages;
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extern unsigned vm_nr_reverse_maps;
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extern unsigned vm_nr_mapped;
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extern unsigned vm_nr_slab;
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extern unsigned vm_pgpgin;
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extern unsigned vm_pgpgout;
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extern unsigned vm_pswpin;
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extern unsigned vm_pswpout;
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extern unsigned vm_pgalloc;
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extern unsigned vm_pgfree;
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extern unsigned vm_pgactivate;
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extern unsigned vm_pgdeactivate;
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extern unsigned vm_pgfault;
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extern unsigned vm_pgmajfault;
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extern unsigned vm_pgscan;
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extern unsigned vm_pgrefill;
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extern unsigned vm_pgsteal;
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extern unsigned vm_kswapd_steal;
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extern unsigned vm_pageoutrun;
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extern unsigned vm_allocstall;
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extern void vminfo(void);
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#endif /* SYSINFO_H */
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29
top.c
29
top.c
@ -812,6 +812,7 @@ static CPUS_t *refreshcpus (CPUS_t *cpus)
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{
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static FILE *fp = NULL;
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int i;
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char buf[256]; /* enough for a /proc/stat CPU line (not the intr line) */
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/* by opening this file once, we'll avoid the hit on minor page faults
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(sorry Linux, but you'll have to close it for us) */
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@ -827,19 +828,22 @@ static CPUS_t *refreshcpus (CPUS_t *cpus)
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fflush(fp);
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/* first value the last slot with the cpu summary line */
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if (4 != fscanf(fp, CPU_FMTS_JUST1
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, &cpus[Cpu_tot].u, &cpus[Cpu_tot].n, &cpus[Cpu_tot].s, &cpus[Cpu_tot].i))
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if(!fgets(buf, sizeof(buf), fp)) std_err("failed /proc/stat read");
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if (4 > sscanf(buf, CPU_FMTS_JUST1
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, &cpus[Cpu_tot].u, &cpus[Cpu_tot].n, &cpus[Cpu_tot].s, &cpus[Cpu_tot].i, &cpus[Cpu_tot].I))
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std_err("failed /proc/stat read");
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/* and now value each separate cpu's tics */
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for (i = 0; i < Cpu_tot; i++) {
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#ifdef PRETEND4CPUS
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rewind(fp);
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if (4 != fscanf(fp, CPU_FMTS_JUST1
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if(!fgets(buf, sizeof(buf), fp)) std_err("failed /proc/stat read");
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if (4 > sscanf(buf, CPU_FMTS_JUST1
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#else
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if (4 != fscanf(fp, CPU_FMTS_MULTI
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if(!fgets(buf, sizeof(buf), fp)) std_err("failed /proc/stat read");
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if (4 > sscanf(buf, CPU_FMTS_MULTI
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#endif
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, &cpus[i].u, &cpus[i].n, &cpus[i].s, &cpus[i].i))
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, &cpus[i].u, &cpus[i].n, &cpus[i].s, &cpus[i].i, &cpus[i].I))
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std_err("failed /proc/stat read");
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}
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@ -1692,13 +1696,14 @@ static void cpudo (CPUS_t *cpu, const char *pfx)
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/* we'll trim to zero if we get negative time ticks,
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which has happened with some SMP kernels (pre-2.4?) */
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#define TRIMz(x) ((tz = (STIC_t)x) < 0 ? 0 : tz)
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STIC_t u_frme, s_frme, n_frme, i_frme, tot_frme, tz;
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STIC_t u_frme, s_frme, n_frme, i_frme, I_frme, tot_frme, tz;
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u_frme = TRIMz(cpu->u - cpu->u_sav);
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s_frme = TRIMz(cpu->s - cpu->s_sav);
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n_frme = TRIMz(cpu->n - cpu->n_sav);
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i_frme = TRIMz(cpu->i - cpu->i_sav);
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tot_frme = u_frme + s_frme + n_frme + i_frme;
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I_frme = TRIMz(cpu->I - cpu->I_sav);
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tot_frme = u_frme + s_frme + n_frme + i_frme + I_frme;
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if (1 > tot_frme) tot_frme = 1;
|
||||
|
||||
/* display some kinda' cpu state percentages
|
||||
@ -1708,7 +1713,8 @@ static void cpudo (CPUS_t *cpu, const char *pfx)
|
||||
, (float)u_frme * 100 / tot_frme
|
||||
, (float)s_frme * 100 / tot_frme
|
||||
, (float)n_frme * 100 / tot_frme
|
||||
, (float)i_frme * 100 / tot_frme));
|
||||
, (float)i_frme * 100 / tot_frme
|
||||
, (float)I_frme * 100 / tot_frme));
|
||||
Msg_row += 1;
|
||||
|
||||
/* remember for next time around */
|
||||
@ -1716,6 +1722,7 @@ static void cpudo (CPUS_t *cpu, const char *pfx)
|
||||
cpu->s_sav = cpu->s;
|
||||
cpu->n_sav = cpu->n;
|
||||
cpu->i_sav = cpu->i;
|
||||
cpu->I_sav = cpu->I;
|
||||
|
||||
#undef TRIMz
|
||||
}
|
||||
@ -1807,14 +1814,12 @@ static void frame_states (proc_t **ppt, int show)
|
||||
|
||||
if (CHKw(Curwin, View_CPUSUM)) {
|
||||
/* display just the 1st /proc/stat line */
|
||||
cpudo(&smpcpu[Cpu_tot], "Cpu(s) state:");
|
||||
cpudo(&smpcpu[Cpu_tot], "CPU use:");
|
||||
} else {
|
||||
char tmp[SMLBUFSIZ];
|
||||
/* display each cpu's states separately */
|
||||
for (i = 0; i < Cpu_tot; i++) {
|
||||
sprintf(tmp, "%-6scpu%-2d:" /* [ cpu states as ] */
|
||||
, i ? " " : "State" /* 'State cpu0 : ... ' */
|
||||
, Mode_irixps ? i : Cpu_map[i]); /* ' cpu1 : ... ' */
|
||||
sprintf(tmp, "CPU%4d:", Mode_irixps ? i : Cpu_map[i]);
|
||||
cpudo(&smpcpu[i], tmp);
|
||||
}
|
||||
}
|
||||
|
||||
16
top.h
16
top.h
@ -167,11 +167,13 @@ typedef struct {
|
||||
TICS_t u, /* ticks count as represented in /proc/stat */
|
||||
n, /* (not in the order of our display) */
|
||||
s,
|
||||
i;
|
||||
i,
|
||||
I;
|
||||
TICS_t u_sav, /* tics count in the order of our display */
|
||||
s_sav,
|
||||
n_sav,
|
||||
i_sav;
|
||||
i_sav,
|
||||
I_sav;
|
||||
} CPUS_t;
|
||||
|
||||
/* The scaling 'type' used with scale_num() -- this is how
|
||||
@ -306,11 +308,11 @@ typedef struct win {
|
||||
reads during history processing.
|
||||
( 5th number added in anticipation of kernel change ) */
|
||||
#ifdef TICS_64_BITS
|
||||
#define CPU_FMTS_JUST1 "cpu %Lu %Lu %Lu %Lu \n"
|
||||
#define CPU_FMTS_MULTI "cpu%*d %Lu %Lu %Lu %Lu %*d \n"
|
||||
#define CPU_FMTS_JUST1 "cpu %Lu %Lu %Lu %Lu %Lu"
|
||||
#define CPU_FMTS_MULTI "cpu%*d %Lu %Lu %Lu %Lu %Lu"
|
||||
#else
|
||||
#define CPU_FMTS_JUST1 "cpu %lu %lu %lu %lu \n"
|
||||
#define CPU_FMTS_MULTI "cpu%*d %lu %lu %lu %lu %*d \n"
|
||||
#define CPU_FMTS_JUST1 "cpu %lu %lu %lu %lu %lu"
|
||||
#define CPU_FMTS_MULTI "cpu%*d %lu %lu %lu %lu %lu"
|
||||
#endif
|
||||
|
||||
/* This is the format for 'command line' display in the absence
|
||||
@ -330,7 +332,7 @@ typedef struct win {
|
||||
" %3u \02stopped,\03 %3u \02zombie\03\n"
|
||||
#define STATES_line2 "%s\03" \
|
||||
" %#5.1f%% \02user,\03 %#5.1f%% \02system,\03" \
|
||||
" %#5.1f%% \02nice,\03 %#5.1f%% \02idle\03\n"
|
||||
" %#5.1f%% \02nice,\03 %#5.1f%% \02idle,\03 %#5.1f%% \02IO-wait\03\n"
|
||||
#ifdef CASEUP_SUMMK
|
||||
#define MEMORY_line1 "Mem: \03" \
|
||||
" %8uK \02total,\03 %8uK \02used,\03" \
|
||||
|
||||
66
vmstat.c
66
vmstat.c
@ -16,10 +16,6 @@
|
||||
* Ideally, blocks in & out would be counted in 1k increments, rather than
|
||||
by block: this only makes a difference for CDs and is a problematic fix.
|
||||
*/
|
||||
/* PROCPS
|
||||
This is part of the procps package maintained by Michael K. Johnson
|
||||
<johnsonm@redhat.com>; report bugs to <acahalan@cs.uml.edu>.
|
||||
*/
|
||||
|
||||
#include "proc/sysinfo.h"
|
||||
#include "proc/version.h"
|
||||
@ -46,6 +42,7 @@ static char buff[BUFFSIZE]; /* used in the procedures */
|
||||
|
||||
typedef unsigned long jiff;
|
||||
|
||||
static int a_option; /* "-a" means "show active/inactive" */
|
||||
|
||||
/****************************************************************/
|
||||
|
||||
@ -54,6 +51,7 @@ static void usage(void) {
|
||||
fprintf(stderr,"usage: %s [-V] [-n] [delay [count]]\n",PROGNAME);
|
||||
fprintf(stderr," -V prints version.\n");
|
||||
fprintf(stderr," -n causes the headers not to be reprinted regularly.\n");
|
||||
fprintf(stderr," -a print inactive/active page stats.\n");
|
||||
fprintf(stderr," delay is the delay between updates in seconds. \n");
|
||||
fprintf(stderr," count is the number of updates.\n");
|
||||
exit(EXIT_FAILURE);
|
||||
@ -76,14 +74,16 @@ static int winhi(void) {
|
||||
|
||||
|
||||
static void showheader(void){
|
||||
printf("%8s%28s%8s%12s%11s%12s\n",
|
||||
printf("%8s%28s%10s%12s%11s%9s\n",
|
||||
"procs","memory","swap","io","system","cpu");
|
||||
printf("%2s %2s %2s %6s %6s %6s %6s %3s %3s %5s %5s %4s %5s %3s %3s %3s\n",
|
||||
"r","b","w","swpd","free","buff","cache","si","so","bi","bo",
|
||||
printf("%2s %2s %2s %6s %6s %6s %6s %4s %4s %5s %5s %4s %5s %2s %2s %2s\n",
|
||||
"r","b","w","swpd","free",
|
||||
a_option?"inact":"buff", a_option?"active":"cache",
|
||||
"si","so","bi","bo",
|
||||
"in","cs","us","sy","id");
|
||||
}
|
||||
|
||||
static void getstat(jiff *cuse, jiff *cice, jiff *csys, jiff long *cide,
|
||||
static void getstat(jiff *cuse, jiff *cice, jiff *csys, jiff long *cide, jiff long *ciow,
|
||||
unsigned *pin, unsigned *pout, unsigned *s_in, unsigned *sout,
|
||||
unsigned *itot, unsigned *i1, unsigned *ct) {
|
||||
static int Stat;
|
||||
@ -95,20 +95,28 @@ static void getstat(jiff *cuse, jiff *cice, jiff *csys, jiff long *cide,
|
||||
close(Stat);
|
||||
*itot = 0;
|
||||
*i1 = 1; /* ensure assert below will fail if the sscanf bombs */
|
||||
*ciow = 0; /* not separated out until the 2.5.41 kernel */
|
||||
b = strstr(buff, "cpu ");
|
||||
sscanf(b, "cpu %lu %lu %lu %lu", cuse, cice, csys, cide);
|
||||
if(b) sscanf(b, "cpu %lu %lu %lu %lu %lu", cuse, cice, csys, cide, ciow);
|
||||
b = strstr(buff, "page ");
|
||||
sscanf(b, "page %u %u", pin, pout);
|
||||
if(b) sscanf(b, "page %u %u", pin, pout);
|
||||
b = strstr(buff, "swap ");
|
||||
sscanf(b, "swap %u %u", s_in, sout);
|
||||
if(b) sscanf(b, "swap %u %u", s_in, sout);
|
||||
b = strstr(buff, "intr ");
|
||||
sscanf(b, "intr %u %u", itot, i1);
|
||||
if(b) sscanf(b, "intr %u %u", itot, i1);
|
||||
b = strstr(buff, "ctxt ");
|
||||
sscanf(b, "ctxt %u", ct);
|
||||
if(b) sscanf(b, "ctxt %u", ct);
|
||||
}
|
||||
else {
|
||||
crash("/proc/stat");
|
||||
}
|
||||
if(1){
|
||||
vminfo();
|
||||
*pin = vm_pgpgout;
|
||||
*pout = vm_pgpgin;
|
||||
*s_in = vm_pswpout;
|
||||
*sout = vm_pswpin;
|
||||
}
|
||||
}
|
||||
|
||||
static void getrunners(unsigned int *running, unsigned int *blocked,
|
||||
@ -131,7 +139,15 @@ static void getrunners(unsigned int *running, unsigned int *blocked,
|
||||
sprintf(filename, "/proc/%s/stat", ent->d_name);
|
||||
if ((fd = open(filename, O_RDONLY, 0)) != -1) { /*this weeds the rest*/
|
||||
read(fd,buff,BUFFSIZE-1);
|
||||
sscanf(buff, "%*d %*s %c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*d %*d %*d %*d %*d %*d %*u %*u %*d %*u %u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u\n",&c,&size);
|
||||
sscanf(
|
||||
buff,
|
||||
"%*d %*s %c "
|
||||
"%*d %*d %*d %*d %*d %*u %*u"
|
||||
" %*u %*u %*u %*d %*d %*d %*d %*d %*d %*u %*u %*d %*u %u"
|
||||
/* " %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u\n" */ ,
|
||||
&c,
|
||||
&size
|
||||
);
|
||||
close(fd);
|
||||
|
||||
if (c=='R') {
|
||||
@ -159,7 +175,7 @@ static void getrunners(unsigned int *running, unsigned int *blocked,
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
|
||||
const char format[]="%2u %2u %2u %6u %6u %6u %6u %3u %3u %5u %5u %4u %5u %3u %3u %3u\n";
|
||||
const char format[]="%2u %2u %2u %6u %6u %6u %6u %4u %4u %5u %5u %4u %5u %2u %2u %2u\n";
|
||||
unsigned int height=22; /* window height, reset later if needed. */
|
||||
#if 0
|
||||
unsigned long int args[2]={0,0};
|
||||
@ -168,7 +184,7 @@ int main(int argc, char *argv[]) {
|
||||
unsigned int tog=0; /* toggle switch for cleaner code */
|
||||
unsigned int i,hz;
|
||||
unsigned int running,blocked,swapped;
|
||||
jiff cpu_use[2], cpu_nic[2], cpu_sys[2], cpu_idl[2];
|
||||
jiff cpu_use[2], cpu_nic[2], cpu_sys[2], cpu_idl[2], cpu_iow[2];
|
||||
jiff duse,dsys,didl,Div,divo2;
|
||||
unsigned int pgpgin[2], pgpgout[2], pswpin[2], pswpout[2];
|
||||
unsigned int inter[2],ticks[2],ctxt[2];
|
||||
@ -186,6 +202,10 @@ int main(int argc, char *argv[]) {
|
||||
case 'V':
|
||||
display_version();
|
||||
exit(0);
|
||||
case 'a':
|
||||
/* active/inactive mode */
|
||||
a_option=1;
|
||||
break;
|
||||
case 'n':
|
||||
/* print only one header */
|
||||
moreheaders=FALSE;
|
||||
@ -220,18 +240,20 @@ int main(int argc, char *argv[]) {
|
||||
showheader();
|
||||
getrunners(&running,&blocked,&swapped);
|
||||
meminfo();
|
||||
getstat(cpu_use,cpu_nic,cpu_sys,cpu_idl,
|
||||
getstat(cpu_use,cpu_nic,cpu_sys,cpu_idl,cpu_iow,
|
||||
pgpgin,pgpgout,pswpin,pswpout,
|
||||
inter,ticks,ctxt);
|
||||
duse= *cpu_use + *cpu_nic;
|
||||
dsys= *cpu_sys;
|
||||
dsys= *cpu_sys + *cpu_iow; /* ADC -- add IO-wait here? */
|
||||
didl= *cpu_idl;
|
||||
Div= duse+dsys+didl;
|
||||
hz=sysconf(_SC_CLK_TCK); /* get ticks/s from system */
|
||||
hz=Hertz; /* get ticks/s from libproc */
|
||||
divo2= Div/2UL;
|
||||
printf(format,
|
||||
running,blocked,swapped,
|
||||
kb_swap_used,kb_main_free,kb_main_buffers,kb_main_cached,
|
||||
kb_swap_used,kb_main_free,
|
||||
a_option?kb_inactive:kb_main_buffers,
|
||||
a_option?kb_active:kb_main_cached,
|
||||
(*pswpin *kb_per_page*hz+divo2)/Div,
|
||||
(*pswpout*kb_per_page*hz+divo2)/Div,
|
||||
(*pgpgin *hz+divo2)/Div,
|
||||
@ -249,11 +271,11 @@ int main(int argc, char *argv[]) {
|
||||
tog= !tog;
|
||||
getrunners(&running,&blocked,&swapped);
|
||||
meminfo();
|
||||
getstat(cpu_use+tog,cpu_nic+tog,cpu_sys+tog,cpu_idl+tog,
|
||||
getstat(cpu_use+tog,cpu_nic+tog,cpu_sys+tog,cpu_idl+tog,cpu_iow+tog,
|
||||
pgpgin+tog,pgpgout+tog,pswpin+tog,pswpout+tog,
|
||||
inter+tog,ticks+tog,ctxt+tog);
|
||||
duse= cpu_use[tog]-cpu_use[!tog] + cpu_nic[tog]-cpu_nic[!tog];
|
||||
dsys= cpu_sys[tog]-cpu_sys[!tog];
|
||||
dsys= cpu_sys[tog]-cpu_sys[!tog] + cpu_iow[tog]-cpu_iow[!tog];
|
||||
didl= cpu_idl[tog]-cpu_idl[!tog];
|
||||
/* idle can run backwards for a moment -- kernel "feature" */
|
||||
if(cpu_idl[tog]<cpu_idl[!tog]) didl=0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user