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Merge latest DTrace changes from Perforce.

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Approved by:	jb
This commit is contained in:
Craig Rodrigues 2008-11-05 19:40:36 +00:00
parent c65e3b1854
commit e506f34b24
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=184700
3 changed files with 20 additions and 5 deletions
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9
sys/kern/kern_exec.c
View File

@ -388,8 +388,6 @@ do_execve(td, args, mac_p)
imgp->image_header = NULL;
SDT_PROBE(proc, kernel, , exec, args->fname, 0, 0, 0, 0 );
/*
* Translate the file name. namei() returns a vnode pointer
* in ni_vp amoung other things.
@ -403,6 +401,8 @@ do_execve(td, args, mac_p)
| MPSAFE | AUDITVNODE1, UIO_SYSSPACE, args->fname, td);
}
SDT_PROBE(proc, kernel, , exec, args->fname, 0, 0, 0, 0 );
interpret:
if (args->fname != NULL) {
error = namei(ndp);
@ -800,8 +800,9 @@ do_execve(td, args, mac_p)
vfs_mark_atime(imgp->vp, td->td_ucred);
done1:
SDT_PROBE(proc, kernel, , exec_success, args->fname, 0, 0, 0, 0);
done1:
/*
* Free any resources malloc'd earlier that we didn't use.
*/
@ -812,8 +813,6 @@ do_execve(td, args, mac_p)
crfree(newcred);
VOP_UNLOCK(imgp->vp, 0);
SDT_PROBE(proc, kernel, , exec_success, args->fname, 0, 0, 0, 0);
/*
* Handle deferred decrement of ref counts.
*/

15
sys/kern/vfs_syscalls.c
View File

@ -38,6 +38,7 @@
__FBSDID("$FreeBSD$");
#include "opt_compat.h"
#include "opt_kdtrace.h"
#include "opt_ktrace.h"
#include "opt_mac.h"
@ -58,6 +59,7 @@ __FBSDID("$FreeBSD$");
#include <sys/filio.h>
#include <sys/limits.h>
#include <sys/linker.h>
#include <sys/sdt.h>
#include <sys/stat.h>
#include <sys/sx.h>
#include <sys/unistd.h>
@ -82,6 +84,14 @@ __FBSDID("$FreeBSD$");
#include <vm/vm_page.h>
#include <vm/uma.h>
SDT_PROVIDER_DEFINE(vfs);
SDT_PROBE_DEFINE(vfs, , stat, mode);
SDT_PROBE_ARGTYPE(vfs, , stat, mode, 0, "char *");
SDT_PROBE_ARGTYPE(vfs, , stat, mode, 1, "int");
SDT_PROBE_DEFINE(vfs, , stat, reg);
SDT_PROBE_ARGTYPE(vfs, , stat, reg, 0, "char *");
SDT_PROBE_ARGTYPE(vfs, , stat, reg, 1, "int");
static int chroot_refuse_vdir_fds(struct filedesc *fdp);
static int getutimes(const struct timeval *, enum uio_seg, struct timespec *);
static int setfown(struct thread *td, struct vnode *, uid_t, gid_t);
@ -2334,6 +2344,11 @@ kern_statat(struct thread *td, int flag, int fd, char *path,
return (error);
vfslocked = NDHASGIANT(&nd);
error = vn_stat(nd.ni_vp, &sb, td->td_ucred, NOCRED, td);
if (!error) {
SDT_PROBE(vfs, , stat, mode, path, sb.st_mode, 0, 0, 0);
if (S_ISREG(sb.st_mode))
SDT_PROBE(vfs, , stat, reg, path, pathseg, 0, 0, 0);
}
NDFREE(&nd, NDF_ONLY_PNBUF);
vput(nd.ni_vp);
VFS_UNLOCK_GIANT(vfslocked);

1
sys/modules/zfs/Makefile
View File

@ -78,6 +78,7 @@ CFLAGS+=-I${.CURDIR}/../..
CFLAGS+=-I${SUNW}/common/zfs
CFLAGS+=-I${SUNW}/common
CFLAGS+=-I${.CURDIR}/../../../include
CFLAGS+=-DBUILDING_ZFS
#CFLAGS+=-DDEBUG=1
#DEBUG_FLAGS=-g