From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- arch/ia64/include/uapi/asm/perfmon_default_smpl.h | 84 +++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 arch/ia64/include/uapi/asm/perfmon_default_smpl.h (limited to 'arch/ia64/include/uapi/asm/perfmon_default_smpl.h') 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 000000000..d3f36aff0 --- /dev/null +++ b/arch/ia64/include/uapi/asm/perfmon_default_smpl.h @@ -0,0 +1,84 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright (C) 2002-2003 Hewlett-Packard Co + * Stephane Eranian + * + * 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__ */ -- cgit v1.2.3