mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-05 10:29:37 +00:00
![Jiri Olsa](/assets/img/avatar_default.png)
Add the machine__for_each_dso() to iterate over all dso objects defined for the within a machine object. It will be used in the MMAP3 patch series. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Frank Ch. Eigler <fche@redhat.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200913210313.1985612-22-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
293 lines
9.3 KiB
C
293 lines
9.3 KiB
C
/* 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_text_poke(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 *fp,
|
|
bool (skip)(struct dso *dso, int parm), int parm);
|
|
|
|
void machine__destroy_kernel_maps(struct machine *machine);
|
|
int machine__create_kernel_maps(struct machine *machine);
|
|
|
|
int machines__create_kernel_maps(struct machines *machines, pid_t pid);
|
|
int machines__create_guest_kernel_maps(struct machines *machines);
|
|
void machines__destroy_kernel_maps(struct machines *machines);
|
|
|
|
size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
|
|
|
|
typedef int (*machine__dso_t)(struct dso *dso, struct machine *machine, void *priv);
|
|
|
|
int machine__for_each_dso(struct machine *machine, machine__dso_t fn,
|
|
void *priv);
|
|
int machine__for_each_thread(struct machine *machine,
|
|
int (*fn)(struct thread *thread, void *p),
|
|
void *priv);
|
|
int machines__for_each_thread(struct machines *machines,
|
|
int (*fn)(struct thread *thread, void *p),
|
|
void *priv);
|
|
|
|
pid_t machine__get_current_tid(struct machine *machine, int cpu);
|
|
int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
|
|
pid_t tid);
|
|
/*
|
|
* For use with libtraceevent's tep_set_function_resolver()
|
|
*/
|
|
char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp);
|
|
|
|
void machine__get_kallsyms_filename(struct machine *machine, char *buf,
|
|
size_t bufsz);
|
|
|
|
int machine__create_extra_kernel_maps(struct machine *machine,
|
|
struct dso *kernel);
|
|
|
|
/* Kernel-space maps for symbols that are outside the main kernel map and module maps */
|
|
struct extra_kernel_map {
|
|
u64 start;
|
|
u64 end;
|
|
u64 pgoff;
|
|
char name[KMAP_NAME_LEN];
|
|
};
|
|
|
|
int machine__create_extra_kernel_map(struct machine *machine,
|
|
struct dso *kernel,
|
|
struct extra_kernel_map *xm);
|
|
|
|
int machine__map_x86_64_entry_trampolines(struct machine *machine,
|
|
struct dso *kernel);
|
|
|
|
#endif /* __PERF_MACHINE_H */
|