patch-2.4.4 linux/include/asm-ia64/perfmon.h

• Lines: 52
• Date: Thu Apr 5 12:51:47 2001
• Orig file: v2.4.3/linux/include/asm-ia64/perfmon.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.3/linux/include/asm-ia64/perfmon.h linux/include/asm-ia64/perfmon.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2001 Hewlett-Packard Co
+ * Copyright (C) 2001 Stephane Eranian <eranian@hpl.hp.com>
+ */
+
+#ifndef _ASM_IA64_PERFMON_H
+#define _ASM_IA64_PERFMON_H
+
+#include <linux/types.h>
+
+/*
+ * Structure used to define a context
+ */
+typedef struct {
+	unsigned long smpl_entries;	/* how many entries in sampling buffer */
+	unsigned long smpl_regs;	/* which pmds to record on overflow */
+	void	      *smpl_vaddr;	/* returns address of BTB buffer */
+
+	pid_t	      notify_pid;	/* which process to notify on overflow */
+	int	      notify_sig; 	/* XXX: not used anymore */
+
+	int	      flags;		/* NOBLOCK/BLOCK/ INHERIT flags (will replace API flags) */
+} pfreq_context_t;
+
+/*
+ * Structure used to configure a PMC or PMD
+ */
+typedef struct {
+	unsigned long	reg_num;	/* which register */
+	unsigned long	reg_value;	/* configuration (PMC) or initial value (PMD) */
+	unsigned long	reg_smpl_reset;	/* reset of sampling buffer overflow (large) */
+	unsigned long	reg_ovfl_reset;	/* reset on counter overflow (small) */
+	int		reg_flags;	/* (PMD): notify/don't notify */
+} pfreq_reg_t;
+
+/*
+ * main request structure passed by user
+ */
+typedef union {
+	pfreq_context_t	pfr_ctx;	/* request to configure a context */
+	pfreq_reg_t	pfr_reg;	/* request to configure a PMD/PMC */
+} perfmon_req_t;
+
+extern void pfm_save_regs (struct task_struct *);
+extern void pfm_load_regs (struct task_struct *);
+
+extern int pfm_inherit (struct task_struct *);
+extern void pfm_context_exit (struct task_struct *);
+extern void pfm_flush_regs (struct task_struct *);
+
+#endif /* _ASM_IA64_PERFMON_H */