#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
#include "util.h"
#include "event.h"
#include "strlist.h"
#include "strfilter.h"
#include "debug.h"
#include "cache.h"
#include "color.h"
#include "symbol.h"
#include "thread.h"
#include <api/fs/tracing_path.h>
#include "probe-event.h"
#include "probe-file.h"
#include "session.h"
#include "perf_regs.h"
#include "string2.h"

Include dependency graph for probe-file.c:

Macros
#define	MAX_CMDLEN 4094

#define	DEFINE_TYPE(idx, pat) [idx] = {.pattern = pat, .avail = false}

Enumerations
enum	ftrace_readme { FTRACE_README_PROBE_TYPE_X = 0, FTRACE_README_KRETPROBE_OFFSET, FTRACE_README_END }

Functions
static void	print_open_warning (int err, bool uprobe)

static void	print_both_open_warning (int kerr, int uerr)

int	open_trace_file (const char *trace_file, bool readwrite)

static int	open_kprobe_events (bool readwrite)

static int	open_uprobe_events (bool readwrite)

int	probe_file__open (int flag)

int	probe_file__open_both (int kfd, int ufd, int flag)

struct strlist *	probe_file__get_rawlist (int fd)

static struct strlist *	__probe_file__get_namelist (int fd, bool include_group)

struct strlist *	probe_file__get_namelist (int fd)

int	probe_file__add_event (int fd, struct probe_trace_event *tev)

static int	__del_trace_probe_event (int fd, struct str_node *ent)

int	probe_file__get_events (int fd, struct strfilter filter, struct strlist plist)

int	probe_file__del_strlist (int fd, struct strlist *namelist)

int	probe_file__del_events (int fd, struct strfilter *filter)

static void	probe_cache_entry__delete (struct probe_cache_entry *entry)

static struct probe_cache_entry *	probe_cache_entry__new (struct perf_probe_event *pev)

int	probe_cache_entry__get_event (struct probe_cache_entry entry, struct probe_trace_event *tevs)

static int	probe_cache__open (struct probe_cache pcache, const char target, struct nsinfo *nsi)

static int	probe_cache__load (struct probe_cache *pcache)

static struct probe_cache *	probe_cache__alloc (void)

void	probe_cache__purge (struct probe_cache *pcache)

void	probe_cache__delete (struct probe_cache *pcache)

struct probe_cache *	probe_cache__new (const char target, struct nsinfo nsi)

static bool	streql (const char a, const char b)

struct probe_cache_entry *	probe_cache__find (struct probe_cache pcache, struct perf_probe_event pev)

struct probe_cache_entry *	probe_cache__find_by_name (struct probe_cache pcache, const char group, const char *event)

int	probe_cache__add_entry (struct probe_cache pcache, struct perf_probe_event pev, struct probe_trace_event *tevs, int ntevs)

static int	probe_cache_entry__write (struct probe_cache_entry *entry, int fd)

int	probe_cache__commit (struct probe_cache *pcache)

static bool	probe_cache_entry__compare (struct probe_cache_entry entry, struct strfilter filter)

int	probe_cache__filter_purge (struct probe_cache pcache, struct strfilter filter)

static int	probe_cache__show_entries (struct probe_cache pcache, struct strfilter filter)

int	probe_cache__show_all_caches (struct strfilter *filter)

static bool	scan_ftrace_readme (enum ftrace_readme type)

bool	probe_type_is_available (enum probe_type type)

bool	kretprobe_offset_is_supported (void)

Variables
struct {
const char * pattern

bool avail

}	ftrace_readme_table []

Macro Definition Documentation

◆ DEFINE_TYPE

#define DEFINE_TYPE	(	idx,
		pat
	)	[idx] = {.pattern = pat, .avail = false}

◆ MAX_CMDLEN

#define MAX_CMDLEN 4094

Definition at line 40 of file probe-file.c.

Enumeration Type Documentation

◆ ftrace_readme

enum ftrace_readme

Enumerator
FTRACE_README_PROBE_TYPE_X
FTRACE_README_KRETPROBE_OFFSET
FTRACE_README_END

Definition at line 998 of file probe-file.c.

Function Documentation

◆ __del_trace_probe_event()

static int __del_trace_probe_event	(	int	fd,
		struct str_node *	ent
	)

static

Definition at line 259 of file probe-file.c.

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◆ __probe_file__get_namelist()

static struct strlist* __probe_file__get_namelist	(	int	fd,
		bool	include_group
	)

static

Definition at line 192 of file probe-file.c.

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◆ kretprobe_offset_is_supported()

bool kretprobe_offset_is_supported ( void )

Definition at line 1063 of file probe-file.c.

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◆ open_kprobe_events()

static int open_kprobe_events ( bool readwrite )

static

Definition at line 101 of file probe-file.c.

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◆ open_trace_file()

int open_trace_file	(	const char *	trace_file,
		bool	readwrite
	)

Definition at line 82 of file probe-file.c.

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◆ open_uprobe_events()

static int open_uprobe_events ( bool readwrite )

static

Definition at line 106 of file probe-file.c.

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◆ print_both_open_warning()

static void print_both_open_warning	(	int	kerr,
		int	uerr
	)

static

Definition at line 65 of file probe-file.c.

◆ print_open_warning()

static void print_open_warning	(	int	err,
		bool	uprobe
	)

static

Definition at line 42 of file probe-file.c.

◆ probe_cache__add_entry()

int probe_cache__add_entry	(	struct probe_cache *	pcache,
		struct perf_probe_event *	pev,
		struct probe_trace_event *	tevs,
		int	ntevs
	)

Definition at line 651 of file probe-file.c.

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◆ probe_cache__alloc()

static struct probe_cache* probe_cache__alloc ( void )

static

Definition at line 530 of file probe-file.c.

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◆ probe_cache__commit()

int probe_cache__commit ( struct probe_cache * pcache )

Definition at line 902 of file probe-file.c.

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◆ probe_cache__delete()

void probe_cache__delete ( struct probe_cache * pcache )

Definition at line 551 of file probe-file.c.

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◆ probe_cache__filter_purge()

int probe_cache__filter_purge	(	struct probe_cache *	pcache,
		struct strfilter *	filter
	)

Definition at line 938 of file probe-file.c.

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◆ probe_cache__find()

struct probe_cache_entry* probe_cache__find	(	struct probe_cache *	pcache,
		struct perf_probe_event *	pev
	)

Definition at line 601 of file probe-file.c.

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◆ probe_cache__find_by_name()

struct probe_cache_entry* probe_cache__find_by_name	(	struct probe_cache *	pcache,
		const char *	group,
		const char *	event
	)

Definition at line 634 of file probe-file.c.

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◆ probe_cache__load()

static int probe_cache__load ( struct probe_cache * pcache )

static

Definition at line 475 of file probe-file.c.

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◆ probe_cache__new()

struct probe_cache* probe_cache__new	(	const char *	target,
		struct nsinfo *	nsi
	)

Definition at line 562 of file probe-file.c.

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◆ probe_cache__open()

static int probe_cache__open	(	struct probe_cache *	pcache,
		const char *	target,
		struct nsinfo *	nsi
	)

static

Definition at line 415 of file probe-file.c.

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◆ probe_cache__purge()

void probe_cache__purge ( struct probe_cache * pcache )

Definition at line 541 of file probe-file.c.

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◆ probe_cache__show_all_caches()

int probe_cache__show_all_caches ( struct strfilter * filter )

Definition at line 966 of file probe-file.c.

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◆ probe_cache__show_entries()

static int probe_cache__show_entries	(	struct probe_cache *	pcache,
		struct strfilter *	filter
	)

static

Definition at line 953 of file probe-file.c.

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◆ probe_cache_entry__compare()

static bool probe_cache_entry__compare	(	struct probe_cache_entry *	entry,
		struct strfilter *	filter
	)

static

Definition at line 926 of file probe-file.c.

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◆ probe_cache_entry__delete()

static void probe_cache_entry__delete ( struct probe_cache_entry * entry )

static

Definition at line 354 of file probe-file.c.

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◆ probe_cache_entry__get_event()

int probe_cache_entry__get_event	(	struct probe_cache_entry *	entry,
		struct probe_trace_event **	tevs
	)

Definition at line 389 of file probe-file.c.

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◆ probe_cache_entry__new()

static struct probe_cache_entry* probe_cache_entry__new ( struct perf_probe_event * pev )

static

Definition at line 367 of file probe-file.c.

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◆ probe_cache_entry__write()

static int probe_cache_entry__write	(	struct probe_cache_entry *	entry,
		int	fd
	)

static

Definition at line 862 of file probe-file.c.

◆ probe_file__add_event()

int probe_file__add_event	(	int	fd,
		struct probe_trace_event *	tev
	)

Definition at line 235 of file probe-file.c.

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◆ probe_file__del_events()

int probe_file__del_events	(	int	fd,
		struct strfilter *	filter
	)

Definition at line 334 of file probe-file.c.

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◆ probe_file__del_strlist()

int probe_file__del_strlist	(	int	fd,
		struct strlist *	namelist
	)

Definition at line 321 of file probe-file.c.

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◆ probe_file__get_events()

int probe_file__get_events	(	int	fd,
		struct strfilter *	filter,
		struct strlist *	plist
	)

Definition at line 293 of file probe-file.c.

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◆ probe_file__get_namelist()

struct strlist* probe_file__get_namelist ( int fd )

Definition at line 230 of file probe-file.c.

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◆ probe_file__get_rawlist()

struct strlist* probe_file__get_rawlist ( int fd )

Definition at line 141 of file probe-file.c.

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◆ probe_file__open()

int probe_file__open ( int flag )

Definition at line 111 of file probe-file.c.

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◆ probe_file__open_both()

int probe_file__open_both	(	int *	kfd,
		int *	ufd,
		int	flag
	)

Definition at line 125 of file probe-file.c.

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◆ probe_type_is_available()

bool probe_type_is_available ( enum probe_type type )

Definition at line 1053 of file probe-file.c.

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◆ scan_ftrace_readme()

static bool scan_ftrace_readme ( enum ftrace_readme type )

static

Definition at line 1014 of file probe-file.c.

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◆ streql()

static bool streql	(	const char *	a,
		const char *	b
	)

static

Definition at line 589 of file probe-file.c.

Variable Documentation

◆ avail

bool avail

Definition at line 1006 of file probe-file.c.

◆ ftrace_readme_table

struct { ... } ftrace_readme_table[]

Initial value:

= {
#define DEFINE_TYPE(idx, pat)           
    DEFINE_TYPE(FTRACE_README_PROBE_TYPE_X, "*type: * x8/16/32/64,*"),
    DEFINE_TYPE(FTRACE_README_KRETPROBE_OFFSET, "*place (kretprobe): *"),
}

◆ pattern

const char* pattern

Definition at line 1005 of file probe-file.c.

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ DEFINE_TYPE

◆ MAX_CMDLEN

Enumeration Type Documentation

◆ ftrace_readme

Function Documentation

◆ __del_trace_probe_event()

◆ __probe_file__get_namelist()

◆ kretprobe_offset_is_supported()

◆ open_kprobe_events()

◆ open_trace_file()

◆ open_uprobe_events()

◆ print_both_open_warning()

◆ print_open_warning()

◆ probe_cache__add_entry()

◆ probe_cache__alloc()

◆ probe_cache__commit()

◆ probe_cache__delete()

◆ probe_cache__filter_purge()

◆ probe_cache__find()

◆ probe_cache__find_by_name()

◆ probe_cache__load()

◆ probe_cache__new()

◆ probe_cache__open()

◆ probe_cache__purge()

◆ probe_cache__show_all_caches()

◆ probe_cache__show_entries()

◆ probe_cache_entry__compare()

◆ probe_cache_entry__delete()

◆ probe_cache_entry__get_event()

◆ probe_cache_entry__new()

◆ probe_cache_entry__write()

◆ probe_file__add_event()

◆ probe_file__del_events()

◆ probe_file__del_strlist()

◆ probe_file__get_events()

◆ probe_file__get_namelist()

◆ probe_file__get_rawlist()

◆ probe_file__open()

◆ probe_file__open_both()

◆ probe_type_is_available()

◆ scan_ftrace_readme()

◆ streql()

Variable Documentation

◆ avail

◆ ftrace_readme_table

◆ pattern