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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_MACHINE_H
#define __PERF_MACHINE_H
#include <sys/types.h>
#include <linux/rbtree.h>
#include "maps.h"
#include "dsos.h"
#include "rwsem.h"
struct addr_location;
struct branch_stack;
struct dso;
struct dso_id;
struct evsel;
struct perf_sample;
struct symbol;
struct target;
struct thread;
union perf_event;
/* Native host kernel uses -1 as pid index in machine */
#define HOST_KERNEL_ID (-1)
#define DEFAULT_GUEST_KERNEL_ID (0)
extern const char *ref_reloc_sym_names[];
struct vdso_info;
#define THREADS__TABLE_BITS 8
#define THREADS__TABLE_SIZE (1 << THREADS__TABLE_BITS)
struct threads {
struct rb_root_cached entries;
struct rw_semaphore lock;
unsigned int nr;
struct list_head dead;
struct thread *last_match;
};
struct machine {
struct rb_node rb_node;
pid_t pid;
u16 id_hdr_size;
bool comm_exec;
bool kptr_restrict_warned;
bool single_address_space;
char *root_dir;
char *mmap_name;
struct threads threads[THREADS__TABLE_SIZE];
struct vdso_info *vdso_info;
struct perf_env *env;
struct dsos dsos;
struct maps kmaps;
struct map *vmlinux_map;
u64 kernel_start;
pid_t *current_tid;
union { /* Tool specific area */
void *priv;
u64 db_id;
};
bool trampolines_mapped;
};
static inline struct threads *machine__threads(struct machine *machine, pid_t tid)
{
/* Cast it to handle tid == -1 */
return &machine->threads[(unsigned int)tid % THREADS__TABLE_SIZE];
}
/*
* The main kernel (vmlinux) map
*/
static inline
struct map *machine__kernel_map(struct machine *machine)
{
return machine->vmlinux_map;
}
/*
* kernel (the one returned by machine__kernel_map()) plus kernel modules maps
*/
static inline
struct maps *machine__kernel_maps(struct machine *machine)
{
return &machine->kmaps;
}
int machine__get_kernel_start(struct machine *machine);
static inline u64 machine__kernel_start(struct machine *machine)
{
if (!machine->kernel_start)
machine__get_kernel_start(machine);
return machine->kernel_start;
}
static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
{
u64 kernel_start = machine__kernel_start(machine);
return ip >= kernel_start;
}
u8 machine__addr_cpumode(struct machine *machine, u8 cpumode, u64 addr);
struct thread *machine__find_thread(struct machine *machine, pid_t pid,
pid_t tid);
struct comm *machine__thread_exec_comm(struct machine *machine,
struct thread *thread);
int machine__process_comm_event(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
int machine__process_exit_event(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
int machine__process_fork_event(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
int machine__process_lost_event(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
int machine__process_aux_event(struct machine *machine,
union perf_event *event);
int machine__process_itrace_start_event(struct machine *machine,
union perf_event *event);
int machine__process_switch_event(struct machine *machine,
union perf_event *event);
int machine__process_namespaces_event(struct machine *machine,
union perf_event *event,
struct perf_sample *sample);
int machine__process_cgroup_event(struct machine *machine,
union perf_event *event,
struct perf_sample *sample);
int machine__process_mmap_event(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
int machine__process_ksymbol(struct machine *machine,
union perf_event *event,
struct perf_sample *sample);
int machine__process_event(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
typedef void (*machine__process_t)(struct machine *machine, void *data);
struct machines {
struct machine host;
struct rb_root_cached guests;
};
void machines__init(struct machines *machines);
void machines__exit(struct machines *machines);
void machines__process_guests(struct machines *machines,
machine__process_t process, void *data);
struct machine *machines__add(struct machines *machines, pid_t pid,
const char *root_dir);
struct machine *machines__find_host(struct machines *machines);
struct machine *machines__find(struct machines *machines, pid_t pid);
struct machine *machines__findnew(struct machines *machines, pid_t pid);
void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
void machines__set_comm_exec(struct machines *machines, bool comm_exec);
struct machine *machine__new_host(void);
struct machine *machine__new_kallsyms(void);
int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
void machine__exit(struct machine *machine);
void machine__delete_threads(struct machine *machine);
void machine__delete(struct machine *machine);
void machine__remove_thread(struct machine *machine, struct thread *th);
struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
struct addr_location *al);
struct mem_info *sample__resolve_mem(struct perf_sample *sample,
struct addr_location *al);
struct callchain_cursor;
int thread__resolve_callchain(struct thread *thread,
struct callchain_cursor *cursor,
struct evsel *evsel,
struct perf_sample *sample,
struct symbol **parent,
struct addr_location *root_al,
int max_stack);
/*
* Default guest kernel is defined by parameter --guestkallsyms
* and --guestmodules
*/
static inline bool machine__is_default_guest(struct machine *machine)
{
return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
}
static inline bool machine__is_host(struct machine *machine)
{
return machine ? machine->pid == HOST_KERNEL_ID : false;
}
bool machine__is(struct machine *machine, const char *arch);
int machine__nr_cpus_avail(struct machine *machine);
struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
struct dso *machine__findnew_dso_id(struct machine *machine, const char *filename, struct dso_id *id);
struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
size_t machine__fprintf(struct machine *machine, FILE *fp);
static inline
struct symbol *machine__find_kernel_symbol(struct machine *machine, u64 addr,
struct map **mapp)
{
return maps__find_symbol(&machine->kmaps, addr, mapp);
}
static inline
struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,
const char *name,
struct map **mapp)
{
return maps__find_symbol_by_name(&machine->kmaps, name, mapp);
}
int arch__fix_module_text_start(u64 *start, u64 *size, const char *name);
int machine__load_kallsyms(struct machine *machine, const char *filename);
int machine__load_vmlinux_path(struct machine *machine);
size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
bool (skip)(struct dso *dso, int parm), int parm);
size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *
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