sys-utils/irq-common.h

   1 #ifndef UTIL_LINUX_H_IRQ_COMMON
   2 #define UTIL_LINUX_H_IRQ_COMMON
   3
   4 #include "c.h"
   5 #include "nls.h"
   6 #include "cpuset.h"
   7
   8 /* supported columns */
   9 enum {
  10         COL_IRQ = 0,
  11         COL_TOTAL,
  12         COL_DELTA,
  13         COL_NAME,
  14
  15         __COL_COUNT
  16 };
  17
  18 struct irq_info {
  19         char *irq;                      /* short name of this irq */
  20         char *name;                     /* descriptive name of this irq */
  21         unsigned long total;            /* total count since system start up */
  22         unsigned long delta;            /* delta count since previous update */
  23 };
  24
  25 struct irq_cpu {
  26         unsigned long total;
  27         unsigned long delta;
  28 };
  29
  30 struct irq_stat {
  31         unsigned long nr_irq;           /* number of irq vector */
  32         unsigned long nr_irq_info;      /* number of irq info */
  33         struct irq_info *irq_info;      /* array of irq_info */
  34         struct irq_cpu *cpus;            /* array of irq_cpu */
  35         size_t nr_active_cpu;           /* number of active cpu */
  36         unsigned long total_irq;        /* total irqs */
  37         unsigned long delta_irq;        /* delta irqs */
  38 };
  39
  40
  41 typedef int (irq_cmp_t)(const struct irq_info *, const struct irq_info *);
  42
  43 /* output definition */
  44 struct irq_output {
  45         int columns[__COL_COUNT * 2];
  46         size_t ncolumns;
  47
  48         irq_cmp_t *sort_cmp_func;
  49
  50         unsigned int
  51                 json:1,         /* JSON output */
  52                 pairs:1,        /* export, NAME="value" aoutput */
  53                 no_headings:1;  /* don't print header */
  54 };
  55
  56 int irq_column_name_to_id(char const *const name, size_t const namesz);
  57 void free_irqstat(struct irq_stat *stat);
  58
  59 void irq_print_columns(FILE *f, int nodelta);
  60
  61 void set_sort_func_by_name(struct irq_output *out, const char *name);
  62 void set_sort_func_by_key(struct irq_output *out, const char c);
  63
  64 struct libscols_table *get_scols_table(struct irq_output *out,
  65                                               struct irq_stat *prev,
  66                                               struct irq_stat **xstat,
  67                                               int softirq,
  68                                               size_t setsize,
  69                                               cpu_set_t *cpuset);
  70
  71 struct libscols_table *get_scols_cpus_table(struct irq_output *out,
  72                                         struct irq_stat *prev,
  73                                         struct irq_stat *curr,
  74                                         size_t setsize,
  75                                         cpu_set_t *cpuset);
  76
  77 #endif /* UTIL_LINUX_H_IRQ_COMMON */