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