mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
tools lib api fs: Remove debugfs, tracefs and findfs objects
We have all the functionality in fs.c, let's remove unneeded objects. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Raphael Beamonte <raphael.beamonte@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1441180605-24737-15-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
Arnaldo Carvalho de Melo
parent
4605eab348
commit
60a1133a5b
7 changed files with 0 additions and 288 deletions
|
|
@ -1,5 +1,2 @@
|
|||
libapi-y += fs.o
|
||||
libapi-y += tracing_path.o
|
||||
libapi-y += debugfs.o
|
||||
libapi-y += findfs.o
|
||||
libapi-y += tracefs.o
|
||||
|
|
|
|||
|
|
@ -1,77 +0,0 @@
|
|||
#define _GNU_SOURCE
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <stdbool.h>
|
||||
#include <sys/vfs.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/mount.h>
|
||||
#include <linux/kernel.h>
|
||||
|
||||
#include "debugfs.h"
|
||||
#include "tracefs.h"
|
||||
|
||||
#ifndef DEBUGFS_DEFAULT_PATH
|
||||
#define DEBUGFS_DEFAULT_PATH "/sys/kernel/debug"
|
||||
#endif
|
||||
|
||||
char debugfs_mountpoint[PATH_MAX + 1] = DEBUGFS_DEFAULT_PATH;
|
||||
|
||||
static const char * const debugfs_known_mountpoints[] = {
|
||||
DEBUGFS_DEFAULT_PATH,
|
||||
"/debug",
|
||||
0,
|
||||
};
|
||||
|
||||
static bool debugfs_found;
|
||||
|
||||
bool debugfs_configured(void)
|
||||
{
|
||||
return debugfs_find_mountpoint() != NULL;
|
||||
}
|
||||
|
||||
/* find the path to the mounted debugfs */
|
||||
const char *debugfs_find_mountpoint(void)
|
||||
{
|
||||
const char *ret;
|
||||
|
||||
if (debugfs_found)
|
||||
return (const char *)debugfs_mountpoint;
|
||||
|
||||
ret = find_mountpoint("debugfs", (long) DEBUGFS_MAGIC,
|
||||
debugfs_mountpoint, PATH_MAX + 1,
|
||||
debugfs_known_mountpoints);
|
||||
if (ret)
|
||||
debugfs_found = true;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* mount the debugfs somewhere if it's not mounted */
|
||||
char *debugfs_mount(const char *mountpoint)
|
||||
{
|
||||
/* see if it's already mounted */
|
||||
if (debugfs_find_mountpoint())
|
||||
goto out;
|
||||
|
||||
/* if not mounted and no argument */
|
||||
if (mountpoint == NULL) {
|
||||
/* see if environment variable set */
|
||||
mountpoint = getenv(PERF_DEBUGFS_ENVIRONMENT);
|
||||
/* if no environment variable, use default */
|
||||
if (mountpoint == NULL)
|
||||
mountpoint = DEBUGFS_DEFAULT_PATH;
|
||||
}
|
||||
|
||||
if (mount(NULL, mountpoint, "debugfs", 0, NULL) < 0)
|
||||
return NULL;
|
||||
|
||||
/* save the mountpoint */
|
||||
debugfs_found = true;
|
||||
strncpy(debugfs_mountpoint, mountpoint, sizeof(debugfs_mountpoint));
|
||||
out:
|
||||
return debugfs_mountpoint;
|
||||
}
|
||||
|
|
@ -1,23 +0,0 @@
|
|||
#ifndef __API_DEBUGFS_H__
|
||||
#define __API_DEBUGFS_H__
|
||||
|
||||
#include "findfs.h"
|
||||
|
||||
#ifndef DEBUGFS_MAGIC
|
||||
#define DEBUGFS_MAGIC 0x64626720
|
||||
#endif
|
||||
|
||||
#ifndef PERF_DEBUGFS_ENVIRONMENT
|
||||
#define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
|
||||
#endif
|
||||
|
||||
bool debugfs_configured(void);
|
||||
const char *debugfs_find_mountpoint(void);
|
||||
char *debugfs_mount(const char *mountpoint);
|
||||
|
||||
extern char debugfs_mountpoint[];
|
||||
|
||||
int debugfs__strerror_open(int err, char *buf, size_t size, const char *filename);
|
||||
int debugfs__strerror_open_tp(int err, char *buf, size_t size, const char *sys, const char *name);
|
||||
|
||||
#endif /* __API_DEBUGFS_H__ */
|
||||
|
|
@ -1,63 +0,0 @@
|
|||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stdbool.h>
|
||||
#include <sys/vfs.h>
|
||||
|
||||
#include "findfs.h"
|
||||
|
||||
/* verify that a mountpoint is actually the type we want */
|
||||
|
||||
int valid_mountpoint(const char *mount, long magic)
|
||||
{
|
||||
struct statfs st_fs;
|
||||
|
||||
if (statfs(mount, &st_fs) < 0)
|
||||
return -ENOENT;
|
||||
else if ((long)st_fs.f_type != magic)
|
||||
return -ENOENT;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* find the path to a mounted file system */
|
||||
const char *find_mountpoint(const char *fstype, long magic,
|
||||
char *mountpoint, int len,
|
||||
const char * const *known_mountpoints)
|
||||
{
|
||||
const char * const *ptr;
|
||||
char format[128];
|
||||
char type[100];
|
||||
FILE *fp;
|
||||
|
||||
if (known_mountpoints) {
|
||||
ptr = known_mountpoints;
|
||||
while (*ptr) {
|
||||
if (valid_mountpoint(*ptr, magic) == 0) {
|
||||
strncpy(mountpoint, *ptr, len - 1);
|
||||
mountpoint[len-1] = 0;
|
||||
return mountpoint;
|
||||
}
|
||||
ptr++;
|
||||
}
|
||||
}
|
||||
|
||||
/* give up and parse /proc/mounts */
|
||||
fp = fopen("/proc/mounts", "r");
|
||||
if (fp == NULL)
|
||||
return NULL;
|
||||
|
||||
snprintf(format, 128, "%%*s %%%ds %%99s %%*s %%*d %%*d\n", len);
|
||||
|
||||
while (fscanf(fp, format, mountpoint, type) == 2) {
|
||||
if (strcmp(type, fstype) == 0)
|
||||
break;
|
||||
}
|
||||
fclose(fp);
|
||||
|
||||
if (strcmp(type, fstype) != 0)
|
||||
return NULL;
|
||||
|
||||
return mountpoint;
|
||||
}
|
||||
|
|
@ -1,23 +0,0 @@
|
|||
#ifndef __API_FINDFS_H__
|
||||
#define __API_FINDFS_H__
|
||||
|
||||
#include <stdbool.h>
|
||||
|
||||
#define _STR(x) #x
|
||||
#define STR(x) _STR(x)
|
||||
|
||||
/*
|
||||
* On most systems <limits.h> would have given us this, but not on some systems
|
||||
* (e.g. GNU/Hurd).
|
||||
*/
|
||||
#ifndef PATH_MAX
|
||||
#define PATH_MAX 4096
|
||||
#endif
|
||||
|
||||
const char *find_mountpoint(const char *fstype, long magic,
|
||||
char *mountpoint, int len,
|
||||
const char * const *known_mountpoints);
|
||||
|
||||
int valid_mountpoint(const char *mount, long magic);
|
||||
|
||||
#endif /* __API_FINDFS_H__ */
|
||||
|
|
@ -1,78 +0,0 @@
|
|||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <stdbool.h>
|
||||
#include <sys/vfs.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/mount.h>
|
||||
#include <linux/kernel.h>
|
||||
|
||||
#include "tracefs.h"
|
||||
|
||||
#ifndef TRACEFS_DEFAULT_PATH
|
||||
#define TRACEFS_DEFAULT_PATH "/sys/kernel/tracing"
|
||||
#endif
|
||||
|
||||
char tracefs_mountpoint[PATH_MAX + 1] = TRACEFS_DEFAULT_PATH;
|
||||
|
||||
static const char * const tracefs_known_mountpoints[] = {
|
||||
TRACEFS_DEFAULT_PATH,
|
||||
"/sys/kernel/debug/tracing",
|
||||
"/tracing",
|
||||
"/trace",
|
||||
0,
|
||||
};
|
||||
|
||||
static bool tracefs_found;
|
||||
|
||||
bool tracefs_configured(void)
|
||||
{
|
||||
return tracefs_find_mountpoint() != NULL;
|
||||
}
|
||||
|
||||
/* find the path to the mounted tracefs */
|
||||
const char *tracefs_find_mountpoint(void)
|
||||
{
|
||||
const char *ret;
|
||||
|
||||
if (tracefs_found)
|
||||
return (const char *)tracefs_mountpoint;
|
||||
|
||||
ret = find_mountpoint("tracefs", (long) TRACEFS_MAGIC,
|
||||
tracefs_mountpoint, PATH_MAX + 1,
|
||||
tracefs_known_mountpoints);
|
||||
|
||||
if (ret)
|
||||
tracefs_found = true;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* mount the tracefs somewhere if it's not mounted */
|
||||
char *tracefs_mount(const char *mountpoint)
|
||||
{
|
||||
/* see if it's already mounted */
|
||||
if (tracefs_find_mountpoint())
|
||||
goto out;
|
||||
|
||||
/* if not mounted and no argument */
|
||||
if (mountpoint == NULL) {
|
||||
/* see if environment variable set */
|
||||
mountpoint = getenv(PERF_TRACEFS_ENVIRONMENT);
|
||||
/* if no environment variable, use default */
|
||||
if (mountpoint == NULL)
|
||||
mountpoint = TRACEFS_DEFAULT_PATH;
|
||||
}
|
||||
|
||||
if (mount(NULL, mountpoint, "tracefs", 0, NULL) < 0)
|
||||
return NULL;
|
||||
|
||||
/* save the mountpoint */
|
||||
tracefs_found = true;
|
||||
strncpy(tracefs_mountpoint, mountpoint, sizeof(tracefs_mountpoint));
|
||||
out:
|
||||
return tracefs_mountpoint;
|
||||
}
|
||||
|
|
@ -1,21 +0,0 @@
|
|||
#ifndef __API_TRACEFS_H__
|
||||
#define __API_TRACEFS_H__
|
||||
|
||||
#include "findfs.h"
|
||||
|
||||
#ifndef TRACEFS_MAGIC
|
||||
#define TRACEFS_MAGIC 0x74726163
|
||||
#endif
|
||||
|
||||
#ifndef PERF_TRACEFS_ENVIRONMENT
|
||||
#define PERF_TRACEFS_ENVIRONMENT "PERF_TRACEFS_DIR"
|
||||
#endif
|
||||
|
||||
bool tracefs_configured(void);
|
||||
const char *tracefs_find_mountpoint(void);
|
||||
int tracefs_valid_mountpoint(const char *debugfs);
|
||||
char *tracefs_mount(const char *mountpoint);
|
||||
|
||||
extern char tracefs_mountpoint[];
|
||||
|
||||
#endif /* __API_DEBUGFS_H__ */
|
||||
Loading…
Reference in a new issue