On Thu, May 19, 2022 at 2:47 PM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > > Hi-- > > On 5/19/22 14:40, Kalesh Singh wrote: > > diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst > > index 061744c436d9..ad66d78aca51 100644 > > --- a/Documentation/filesystems/proc.rst > > +++ b/Documentation/filesystems/proc.rst > > @@ -1922,13 +1922,16 @@ if precise results are needed. > > 3.8 /proc/<pid>/fdinfo/<fd> - Information about opened file > > --------------------------------------------------------------- > > This file provides information associated with an opened file. The regular > > -files have at least four fields -- 'pos', 'flags', 'mnt_id' and 'ino'. > > +files have at least six fields -- 'pos', 'flags', 'mnt_id', 'ino', 'size', > > +and 'path'. > > + > > The 'pos' represents the current offset of the opened file in decimal > > form [see lseek(2) for details], 'flags' denotes the octal O_xxx mask the > > file has been created with [see open(2) for details] and 'mnt_id' represents > > mount ID of the file system containing the opened file [see 3.5 > > /proc/<pid>/mountinfo for details]. 'ino' represents the inode number of > > -the file. > > +the file, 'size' represents the size of the file in bytes, and 'path' > > +represents the file path. > > > > A typical output is:: > > > > @@ -1936,6 +1939,8 @@ A typical output is:: > > flags: 0100002 > > mnt_id: 19 > > ino: 63107 > > + size: 0 > > + path: /dev/null > > > > All locks associated with a file descriptor are shown in its fdinfo too:: > > > > @@ -1953,6 +1958,8 @@ Eventfd files > > flags: 04002 > > mnt_id: 9 > > ino: 63107 > > + size: 0 > > + path: anon_inode:[eventfd] > > eventfd-count: 5a > > > > where 'eventfd-count' is hex value of a counter. > > @@ -1966,6 +1973,8 @@ Signalfd files > > flags: 04002 > > mnt_id: 9 > > ino: 63107 > > + size: 0 > > + path: anon_inode:[signalfd] > > sigmask: 0000000000000200 > > > > where 'sigmask' is hex value of the signal mask associated > > @@ -1980,6 +1989,8 @@ Epoll files > > flags: 02 > > mnt_id: 9 > > ino: 63107 > > + size: 0 > > + path: anon_inode:[eventpoll] > > tfd: 5 events: 1d data: ffffffffffffffff pos:0 ino:61af sdev:7 > > > > where 'tfd' is a target file descriptor number in decimal form, > > @@ -1998,6 +2009,8 @@ For inotify files the format is the following:: > > flags: 02000000 > > mnt_id: 9 > > ino: 63107 > > + size: 0 > > + path: anon_inode:inotify > > inotify wd:3 ino:9e7e sdev:800013 mask:800afce ignored_mask:0 fhandle-bytes:8 fhandle-type:1 f_handle:7e9e0000640d1b6d > > > > where 'wd' is a watch descriptor in decimal form, i.e. a target file > > @@ -2021,6 +2034,8 @@ For fanotify files the format is:: > > flags: 02 > > mnt_id: 9 > > ino: 63107 > > + size: 0 > > + path: anon_inode:[fanotify] > > fanotify flags:10 event-flags:0 > > fanotify mnt_id:12 mflags:40 mask:38 ignored_mask:40000003 > > fanotify ino:4f969 sdev:800013 mflags:0 mask:3b ignored_mask:40000000 fhandle-bytes:8 fhandle-type:1 f_handle:69f90400c275b5b4 > > @@ -2046,6 +2061,8 @@ Timerfd files > > flags: 02 > > mnt_id: 9 > > ino: 63107 > > + size: 0 > > + path: anon_inode:[timerfd] > > clockid: 0 > > ticks: 0 > > settime flags: 01 > > @@ -2070,6 +2087,7 @@ DMA Buffer files > > mnt_id: 9 > > ino: 63107 > > size: 32768 > > + path: /dmabuf: > > count: 2 > > exp_name: system-heap > > All of these added lines should be indented with a tab instead of spaces. Ahh. Thanks for catching it. WIll update in the next version. -Kalesh > > thanks. > -- > ~Randy > > -- > To unsubscribe from this group and stop receiving emails from it, send an email to kernel-team+unsubscribe@xxxxxxxxxxx. >
