1 files changed, 72 insertions, 0 deletions
diff --git a/sys-utils/irq-common.h b/sys-utils/irq-common.h
new file mode 100644
index 0000000..c4f1fa3
--- /dev/null
+++ b/sys-utils/irq-common.h
@@ -0,0 +1,72 @@
+#ifndef UTIL_LINUX_H_IRQ_COMMON
+#define UTIL_LINUX_H_IRQ_COMMON
+
+#include "c.h"
+#include "nls.h"
+
+/* supported columns */
+enum {
+	COL_IRQ = 0,
+	COL_TOTAL,
+	COL_DELTA,
+	COL_NAME,
+
+	__COL_COUNT
+};
+
+struct irq_info {
+	char *irq;			/* short name of this irq */
+	char *name;			/* descriptive name of this irq */
+	unsigned long total;		/* total count since system start up */
+	unsigned long delta;		/* delta count since previous update */
+};
+
+struct irq_cpu {
+	unsigned long total;
+	unsigned long delta;
+};
+
+struct irq_stat {
+	unsigned long nr_irq;		/* number of irq vector */
+	unsigned long nr_irq_info;	/* number of irq info */
+	struct irq_info *irq_info;	/* array of irq_info */
+	struct irq_cpu *cpus;		 /* array of irq_cpu */
+	size_t nr_active_cpu;		/* number of active cpu */
+	unsigned long total_irq;	/* total irqs */
+	unsigned long delta_irq;	/* delta irqs */
+};
+
+
+typedef int (irq_cmp_t)(const struct irq_info *, const struct irq_info *);
+
+/* output definition */
+struct irq_output {
+	int columns[__COL_COUNT * 2];
+	size_t ncolumns;
+
+	irq_cmp_t *sort_cmp_func;
+
+	unsigned int
+		json:1,		/* JSON output */
+		pairs:1,	/* export, NAME="value" aoutput */
+		no_headings:1;	/* don't print header */
+};
+
+int irq_column_name_to_id(char const *const name, size_t const namesz);
+void free_irqstat(struct irq_stat *stat);
+
+void irq_print_columns(FILE *f, int nodelta);
+
+void set_sort_func_by_name(struct irq_output *out, const char *name);
+void set_sort_func_by_key(struct irq_output *out, const char c);
+
+struct libscols_table *get_scols_table(struct irq_output *out,
+                                              struct irq_stat *prev,
+                                              struct irq_stat **xstat,
+                                              int softirq);
+
+struct libscols_table *get_scols_cpus_table(struct irq_output *out,
+                                        struct irq_stat *prev,
+                                        struct irq_stat *curr);
+
+#endif /* UTIL_LINUX_H_IRQ_COMMON */