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author | Viresh Kumar <viresh.kumar@linaro.org> | 2021-01-14 14:35:19 +0300 |
---|---|---|
committer | Viresh Kumar <viresh.kumar@linaro.org> | 2021-01-22 09:42:20 +0300 |
commit | 1f4e74c0664a539cb2d0e98035e7664d2dcf29ba (patch) | |
tree | 6970dcc8d70f9255288660a86166b43dca1a68bd /arch/ia64/include | |
parent | 1941b38983482154f775d1cbecbbfeaa59a07b8f (diff) | |
download | linux-1f4e74c0664a539cb2d0e98035e7664d2dcf29ba.tar.xz |
arch: ia64: Remove rest of perfmon support
Perfmon support (used by oprofile earlier) was removed by commit
ecf5b72d5f66 ("ia64: Remove perfmon") earlier, but it missed few files
to remove/update.
Clean it up.
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: William Cohen <wcohen@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/ia64/include')
-rw-r--r-- | arch/ia64/include/asm/hw_irq.h | 1 | ||||
-rw-r--r-- | arch/ia64/include/asm/perfmon.h | 111 | ||||
-rw-r--r-- | arch/ia64/include/uapi/asm/perfmon.h | 178 | ||||
-rw-r--r-- | arch/ia64/include/uapi/asm/perfmon_default_smpl.h | 84 |
4 files changed, 0 insertions, 374 deletions
diff --git a/arch/ia64/include/asm/hw_irq.h b/arch/ia64/include/asm/hw_irq.h index f6ff95b4ecb1..5d267132f8cb 100644 --- a/arch/ia64/include/asm/hw_irq.h +++ b/arch/ia64/include/asm/hw_irq.h @@ -69,7 +69,6 @@ extern int ia64_last_device_vector; #define IA64_NUM_DEVICE_VECTORS (IA64_LAST_DEVICE_VECTOR - IA64_FIRST_DEVICE_VECTOR + 1) #define IA64_MCA_RENDEZ_VECTOR 0xe8 /* MCA rendez interrupt */ -#define IA64_PERFMON_VECTOR 0xee /* performance monitor interrupt vector */ #define IA64_TIMER_VECTOR 0xef /* use highest-prio group 15 interrupt for timer */ #define IA64_MCA_WAKEUP_VECTOR 0xf0 /* MCA wakeup (must be >MCA_RENDEZ_VECTOR) */ #define IA64_IPI_LOCAL_TLB_FLUSH 0xfc /* SMP flush local TLB */ diff --git a/arch/ia64/include/asm/perfmon.h b/arch/ia64/include/asm/perfmon.h deleted file mode 100644 index e0545869cc8c..000000000000 --- a/arch/ia64/include/asm/perfmon.h +++ /dev/null @@ -1,111 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2001-2003 Hewlett-Packard Co - * Stephane Eranian <eranian@hpl.hp.com> - */ -#ifndef _ASM_IA64_PERFMON_H -#define _ASM_IA64_PERFMON_H - -#include <uapi/asm/perfmon.h> - - -extern long perfmonctl(int fd, int cmd, void *arg, int narg); - -typedef struct { - void (*handler)(int irq, void *arg, struct pt_regs *regs); -} pfm_intr_handler_desc_t; - -extern void pfm_save_regs (struct task_struct *); -extern void pfm_load_regs (struct task_struct *); - -extern void pfm_exit_thread(struct task_struct *); -extern int pfm_use_debug_registers(struct task_struct *); -extern int pfm_release_debug_registers(struct task_struct *); -extern void pfm_syst_wide_update_task(struct task_struct *, unsigned long info, int is_ctxswin); -extern void pfm_inherit(struct task_struct *task, struct pt_regs *regs); -extern void pfm_init_percpu(void); -extern void pfm_handle_work(void); -extern int pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *h); -extern int pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *h); - - - -/* - * Reset PMD register flags - */ -#define PFM_PMD_SHORT_RESET 0 -#define PFM_PMD_LONG_RESET 1 - -typedef union { - unsigned int val; - struct { - unsigned int notify_user:1; /* notify user program of overflow */ - unsigned int reset_ovfl_pmds:1; /* reset overflowed PMDs */ - unsigned int block_task:1; /* block monitored task on kernel exit */ - unsigned int mask_monitoring:1; /* mask monitors via PMCx.plm */ - unsigned int reserved:28; /* for future use */ - } bits; -} pfm_ovfl_ctrl_t; - -typedef struct { - unsigned char ovfl_pmd; /* index of overflowed PMD */ - unsigned char ovfl_notify; /* =1 if monitor requested overflow notification */ - unsigned short active_set; /* event set active at the time of the overflow */ - pfm_ovfl_ctrl_t ovfl_ctrl; /* return: perfmon controls to set by handler */ - - unsigned long pmd_last_reset; /* last reset value of of the PMD */ - unsigned long smpl_pmds[4]; /* bitmask of other PMD of interest on overflow */ - unsigned long smpl_pmds_values[PMU_MAX_PMDS]; /* values for the other PMDs of interest */ - unsigned long pmd_value; /* current 64-bit value of the PMD */ - unsigned long pmd_eventid; /* eventid associated with PMD */ -} pfm_ovfl_arg_t; - - -typedef struct { - char *fmt_name; - pfm_uuid_t fmt_uuid; - size_t fmt_arg_size; - unsigned long fmt_flags; - - int (*fmt_validate)(struct task_struct *task, unsigned int flags, int cpu, void *arg); - int (*fmt_getsize)(struct task_struct *task, unsigned int flags, int cpu, void *arg, unsigned long *size); - int (*fmt_init)(struct task_struct *task, void *buf, unsigned int flags, int cpu, void *arg); - int (*fmt_handler)(struct task_struct *task, void *buf, pfm_ovfl_arg_t *arg, struct pt_regs *regs, unsigned long stamp); - int (*fmt_restart)(struct task_struct *task, pfm_ovfl_ctrl_t *ctrl, void *buf, struct pt_regs *regs); - int (*fmt_restart_active)(struct task_struct *task, pfm_ovfl_ctrl_t *ctrl, void *buf, struct pt_regs *regs); - int (*fmt_exit)(struct task_struct *task, void *buf, struct pt_regs *regs); - - struct list_head fmt_list; -} pfm_buffer_fmt_t; - -extern int pfm_register_buffer_fmt(pfm_buffer_fmt_t *fmt); -extern int pfm_unregister_buffer_fmt(pfm_uuid_t uuid); - -/* - * perfmon interface exported to modules - */ -extern int pfm_mod_read_pmds(struct task_struct *, void *req, unsigned int nreq, struct pt_regs *regs); -extern int pfm_mod_write_pmcs(struct task_struct *, void *req, unsigned int nreq, struct pt_regs *regs); -extern int pfm_mod_write_ibrs(struct task_struct *task, void *req, unsigned int nreq, struct pt_regs *regs); -extern int pfm_mod_write_dbrs(struct task_struct *task, void *req, unsigned int nreq, struct pt_regs *regs); - -/* - * describe the content of the local_cpu_date->pfm_syst_info field - */ -#define PFM_CPUINFO_SYST_WIDE 0x1 /* if set a system wide session exists */ -#define PFM_CPUINFO_DCR_PP 0x2 /* if set the system wide session has started */ -#define PFM_CPUINFO_EXCL_IDLE 0x4 /* the system wide session excludes the idle task */ - -/* - * sysctl control structure. visible to sampling formats - */ -typedef struct { - int debug; /* turn on/off debugging via syslog */ - int debug_ovfl; /* turn on/off debug printk in overflow handler */ - int fastctxsw; /* turn on/off fast (unsecure) ctxsw */ - int expert_mode; /* turn on/off value checking */ -} pfm_sysctl_t; -extern pfm_sysctl_t pfm_sysctl; - - -#endif /* _ASM_IA64_PERFMON_H */ diff --git a/arch/ia64/include/uapi/asm/perfmon.h b/arch/ia64/include/uapi/asm/perfmon.h deleted file mode 100644 index 017548365e5c..000000000000 --- a/arch/ia64/include/uapi/asm/perfmon.h +++ /dev/null @@ -1,178 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -/* - * Copyright (C) 2001-2003 Hewlett-Packard Co - * Stephane Eranian <eranian@hpl.hp.com> - */ - -#ifndef _UAPI_ASM_IA64_PERFMON_H -#define _UAPI_ASM_IA64_PERFMON_H - -/* - * perfmon commands supported on all CPU models - */ -#define PFM_WRITE_PMCS 0x01 -#define PFM_WRITE_PMDS 0x02 -#define PFM_READ_PMDS 0x03 -#define PFM_STOP 0x04 -#define PFM_START 0x05 -#define PFM_ENABLE 0x06 /* obsolete */ -#define PFM_DISABLE 0x07 /* obsolete */ -#define PFM_CREATE_CONTEXT 0x08 -#define PFM_DESTROY_CONTEXT 0x09 /* obsolete use close() */ -#define PFM_RESTART 0x0a -#define PFM_PROTECT_CONTEXT 0x0b /* obsolete */ -#define PFM_GET_FEATURES 0x0c -#define PFM_DEBUG 0x0d -#define PFM_UNPROTECT_CONTEXT 0x0e /* obsolete */ -#define PFM_GET_PMC_RESET_VAL 0x0f -#define PFM_LOAD_CONTEXT 0x10 -#define PFM_UNLOAD_CONTEXT 0x11 - -/* - * PMU model specific commands (may not be supported on all PMU models) - */ -#define PFM_WRITE_IBRS 0x20 -#define PFM_WRITE_DBRS 0x21 - -/* - * context flags - */ -#define PFM_FL_NOTIFY_BLOCK 0x01 /* block task on user level notifications */ -#define PFM_FL_SYSTEM_WIDE 0x02 /* create a system wide context */ -#define PFM_FL_OVFL_NO_MSG 0x80 /* do not post overflow/end messages for notification */ - -/* - * event set flags - */ -#define PFM_SETFL_EXCL_IDLE 0x01 /* exclude idle task (syswide only) XXX: DO NOT USE YET */ - -/* - * PMC flags - */ -#define PFM_REGFL_OVFL_NOTIFY 0x1 /* send notification on overflow */ -#define PFM_REGFL_RANDOM 0x2 /* randomize sampling interval */ - -/* - * PMD/PMC/IBR/DBR return flags (ignored on input) - * - * Those flags are used on output and must be checked in case EAGAIN is returned - * by any of the calls using a pfarg_reg_t or pfarg_dbreg_t structure. - */ -#define PFM_REG_RETFL_NOTAVAIL (1UL<<31) /* set if register is implemented but not available */ -#define PFM_REG_RETFL_EINVAL (1UL<<30) /* set if register entry is invalid */ -#define PFM_REG_RETFL_MASK (PFM_REG_RETFL_NOTAVAIL|PFM_REG_RETFL_EINVAL) - -#define PFM_REG_HAS_ERROR(flag) (((flag) & PFM_REG_RETFL_MASK) != 0) - -typedef unsigned char pfm_uuid_t[16]; /* custom sampling buffer identifier type */ - -/* - * Request structure used to define a context - */ -typedef struct { - pfm_uuid_t ctx_smpl_buf_id; /* which buffer format to use (if needed) */ - unsigned long ctx_flags; /* noblock/block */ - unsigned short ctx_nextra_sets; /* number of extra event sets (you always get 1) */ - unsigned short ctx_reserved1; /* for future use */ - int ctx_fd; /* return arg: unique identification for context */ - void *ctx_smpl_vaddr; /* return arg: virtual address of sampling buffer, is used */ - unsigned long ctx_reserved2[11];/* for future use */ -} pfarg_context_t; - -/* - * Request structure used to write/read a PMC or PMD - */ -typedef struct { - unsigned int reg_num; /* which register */ - unsigned short reg_set; /* event set for this register */ - unsigned short reg_reserved1; /* for future use */ - - unsigned long reg_value; /* initial pmc/pmd value */ - unsigned long reg_flags; /* input: pmc/pmd flags, return: reg error */ - - unsigned long reg_long_reset; /* reset after buffer overflow notification */ - unsigned long reg_short_reset; /* reset after counter overflow */ - - unsigned long reg_reset_pmds[4]; /* which other counters to reset on overflow */ - unsigned long reg_random_seed; /* seed value when randomization is used */ - unsigned long reg_random_mask; /* bitmask used to limit random value */ - unsigned long reg_last_reset_val;/* return: PMD last reset value */ - - unsigned long reg_smpl_pmds[4]; /* which pmds are accessed when PMC overflows */ - unsigned long reg_smpl_eventid; /* opaque sampling event identifier */ - - unsigned long reg_reserved2[3]; /* for future use */ -} pfarg_reg_t; - -typedef struct { - unsigned int dbreg_num; /* which debug register */ - unsigned short dbreg_set; /* event set for this register */ - unsigned short dbreg_reserved1; /* for future use */ - unsigned long dbreg_value; /* value for debug register */ - unsigned long dbreg_flags; /* return: dbreg error */ - unsigned long dbreg_reserved2[1]; /* for future use */ -} pfarg_dbreg_t; - -typedef struct { - unsigned int ft_version; /* perfmon: major [16-31], minor [0-15] */ - unsigned int ft_reserved; /* reserved for future use */ - unsigned long reserved[4]; /* for future use */ -} pfarg_features_t; - -typedef struct { - pid_t load_pid; /* process to load the context into */ - unsigned short load_set; /* first event set to load */ - unsigned short load_reserved1; /* for future use */ - unsigned long load_reserved2[3]; /* for future use */ -} pfarg_load_t; - -typedef struct { - int msg_type; /* generic message header */ - int msg_ctx_fd; /* generic message header */ - unsigned long msg_ovfl_pmds[4]; /* which PMDs overflowed */ - unsigned short msg_active_set; /* active set at the time of overflow */ - unsigned short msg_reserved1; /* for future use */ - unsigned int msg_reserved2; /* for future use */ - unsigned long msg_tstamp; /* for perf tuning/debug */ -} pfm_ovfl_msg_t; - -typedef struct { - int msg_type; /* generic message header */ - int msg_ctx_fd; /* generic message header */ - unsigned long msg_tstamp; /* for perf tuning */ -} pfm_end_msg_t; - -typedef struct { - int msg_type; /* type of the message */ - int msg_ctx_fd; /* unique identifier for the context */ - unsigned long msg_tstamp; /* for perf tuning */ -} pfm_gen_msg_t; - -#define PFM_MSG_OVFL 1 /* an overflow happened */ -#define PFM_MSG_END 2 /* task to which context was attached ended */ - -typedef union { - pfm_ovfl_msg_t pfm_ovfl_msg; - pfm_end_msg_t pfm_end_msg; - pfm_gen_msg_t pfm_gen_msg; -} pfm_msg_t; - -/* - * Define the version numbers for both perfmon as a whole and the sampling buffer format. - */ -#define PFM_VERSION_MAJ 2U -#define PFM_VERSION_MIN 0U -#define PFM_VERSION (((PFM_VERSION_MAJ&0xffff)<<16)|(PFM_VERSION_MIN & 0xffff)) -#define PFM_VERSION_MAJOR(x) (((x)>>16) & 0xffff) -#define PFM_VERSION_MINOR(x) ((x) & 0xffff) - - -/* - * miscellaneous architected definitions - */ -#define PMU_FIRST_COUNTER 4 /* first counting monitor (PMC/PMD) */ -#define PMU_MAX_PMCS 256 /* maximum architected number of PMC registers */ -#define PMU_MAX_PMDS 256 /* maximum architected number of PMD registers */ - - -#endif /* _UAPI_ASM_IA64_PERFMON_H */ diff --git a/arch/ia64/include/uapi/asm/perfmon_default_smpl.h b/arch/ia64/include/uapi/asm/perfmon_default_smpl.h deleted file mode 100644 index d3f36aff0e1f..000000000000 --- a/arch/ia64/include/uapi/asm/perfmon_default_smpl.h +++ /dev/null @@ -1,84 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -/* - * 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__ */ |