1 files changed, 83 insertions, 0 deletions

diff --git a/arch/ia64/include/uapi/asm/perfmon_default_smpl.h b/arch/ia64/include/uapi/asm/perfmon_default_smpl.h
new file mode 100644
index 000000000000..a2d560c67230
--- /dev/null
+++ b/arch/ia64/include/uapi/asm/perfmon_default_smpl.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2002-2003 Hewlett-Packard Co
+ *               Stephane Eranian <eranian@hpl.hp.com>
+ *
+ * This file implements the default sampling buffer format
+ * for Linux/ia64 perfmon subsystem.
+ */
+#ifndef __PERFMON_DEFAULT_SMPL_H__
+#define __PERFMON_DEFAULT_SMPL_H__ 1
+
+#define PFM_DEFAULT_SMPL_UUID { \
+                0x4d, 0x72, 0xbe, 0xc0, 0x06, 0x64, 0x41, 0x43, 0x82, 0xb4, 0xd3, 0xfd, 0x27, 0x24, 0x3c, 0x97}
+
+/*
+ * format specific parameters (passed at context creation)
+ */
+typedef struct {
+        unsigned long buf_size;         /* size of the buffer in bytes */
+        unsigned int  flags;            /* buffer specific flags */
+        unsigned int  res1;             /* for future use */
+        unsigned long reserved[2];      /* for future use */
+} pfm_default_smpl_arg_t;
+
+/*
+ * combined context+format specific structure. Can be passed
+ * to PFM_CONTEXT_CREATE
+ */
+typedef struct {
+        pfarg_context_t         ctx_arg;
+        pfm_default_smpl_arg_t  buf_arg;
+} pfm_default_smpl_ctx_arg_t;
+
+/*
+ * This header is at the beginning of the sampling buffer returned to the user.
+ * It is directly followed by the first record.
+ */
+typedef struct {
+        unsigned long   hdr_count;              /* how many valid entries */
+        unsigned long   hdr_cur_offs;           /* current offset from top of buffer */
+        unsigned long   hdr_reserved2;          /* reserved for future use */
+
+        unsigned long   hdr_overflows;          /* how many times the buffer overflowed */
+        unsigned long   hdr_buf_size;           /* how many bytes in the buffer */
+
+        unsigned int    hdr_version;            /* contains perfmon version (smpl format diffs) */
+        unsigned int    hdr_reserved1;          /* for future use */
+        unsigned long   hdr_reserved[10];       /* for future use */
+} pfm_default_smpl_hdr_t;
+
+/*
+ * Entry header in the sampling buffer.  The header is directly followed
+ * with the values of the PMD registers of interest saved in increasing 
+ * index order: PMD4, PMD5, and so on. How many PMDs are present depends 
+ * on how the session was programmed.
+ *
+ * In the case where multiple counters overflow at the same time, multiple
+ * entries are written consecutively.
+ *
+ * last_reset_value member indicates the initial value of the overflowed PMD. 
+ */
+typedef struct {
+        int             pid;                    /* thread id (for NPTL, this is gettid()) */
+        unsigned char   reserved1[3];           /* reserved for future use */
+        unsigned char   ovfl_pmd;               /* index of overflowed PMD */
+
+        unsigned long   last_reset_val;         /* initial value of overflowed PMD */
+        unsigned long   ip;                     /* where did the overflow interrupt happened  */
+        unsigned long   tstamp;                 /* ar.itc when entering perfmon intr. handler */
+
+        unsigned short  cpu;                    /* cpu on which the overflow occurred */
+        unsigned short  set;                    /* event set active when overflow occurred   */
+        int             tgid;                   /* thread group id (for NPTL, this is getpid()) */
+} pfm_default_smpl_entry_t;
+
+#define PFM_DEFAULT_MAX_PMDS            64 /* how many pmds supported by data structures (sizeof(unsigned long) */
+#define PFM_DEFAULT_MAX_ENTRY_SIZE      (sizeof(pfm_default_smpl_entry_t)+(sizeof(unsigned long)*PFM_DEFAULT_MAX_PMDS))
+#define PFM_DEFAULT_SMPL_MIN_BUF_SIZE   (sizeof(pfm_default_smpl_hdr_t)+PFM_DEFAULT_MAX_ENTRY_SIZE)
+
+#define PFM_DEFAULT_SMPL_VERSION_MAJ    2U
+#define PFM_DEFAULT_SMPL_VERSION_MIN    0U
+#define PFM_DEFAULT_SMPL_VERSION        (((PFM_DEFAULT_SMPL_VERSION_MAJ&0xffff)<<16)|(PFM_DEFAULT_SMPL_VERSION_MIN & 0xffff))
+
+#endif /* __PERFMON_DEFAULT_SMPL_H__ */