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-rw-r--r--Documentation/filesystems/proc.txt21
1 files changed, 15 insertions, 6 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index a07ba61662ed..c3b6b301d8b0 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -200,12 +200,12 @@ contains details information about the process itself. Its fields are
200explained in Table 1-4. 200explained in Table 1-4.
201 201
202(for SMP CONFIG users) 202(for SMP CONFIG users)
203For making accounting scalable, RSS related information are handled in 203For making accounting scalable, RSS related information are handled in an
204asynchronous manner and the vaule may not be very precise. To see a precise 204asynchronous manner and the value may not be very precise. To see a precise
205snapshot of a moment, you can see /proc/<pid>/smaps file and scan page table. 205snapshot of a moment, you can see /proc/<pid>/smaps file and scan page table.
206It's slow but very precise. 206It's slow but very precise.
207 207
208Table 1-2: Contents of the status files (as of 2.6.30-rc7) 208Table 1-2: Contents of the status files (as of 3.20.0)
209.............................................................................. 209..............................................................................
210 Field Content 210 Field Content
211 Name filename of the executable 211 Name filename of the executable
@@ -213,6 +213,7 @@ Table 1-2: Contents of the status files (as of 2.6.30-rc7)
213 in an uninterruptible wait, Z is zombie, 213 in an uninterruptible wait, Z is zombie,
214 T is traced or stopped) 214 T is traced or stopped)
215 Tgid thread group ID 215 Tgid thread group ID
216 Ngid NUMA group ID (0 if none)
216 Pid process id 217 Pid process id
217 PPid process id of the parent process 218 PPid process id of the parent process
218 TracerPid PID of process tracing this process (0 if not) 219 TracerPid PID of process tracing this process (0 if not)
@@ -220,6 +221,10 @@ Table 1-2: Contents of the status files (as of 2.6.30-rc7)
220 Gid Real, effective, saved set, and file system GIDs 221 Gid Real, effective, saved set, and file system GIDs
221 FDSize number of file descriptor slots currently allocated 222 FDSize number of file descriptor slots currently allocated
222 Groups supplementary group list 223 Groups supplementary group list
224 NStgid descendant namespace thread group ID hierarchy
225 NSpid descendant namespace process ID hierarchy
226 NSpgid descendant namespace process group ID hierarchy
227 NSsid descendant namespace session ID hierarchy
223 VmPeak peak virtual memory size 228 VmPeak peak virtual memory size
224 VmSize total program size 229 VmSize total program size
225 VmLck locked memory size 230 VmLck locked memory size
@@ -1255,9 +1260,9 @@ Various pieces of information about kernel activity are available in the
1255since the system first booted. For a quick look, simply cat the file: 1260since the system first booted. For a quick look, simply cat the file:
1256 1261
1257 > cat /proc/stat 1262 > cat /proc/stat
1258 cpu 2255 34 2290 22625563 6290 127 456 0 0 1263 cpu 2255 34 2290 22625563 6290 127 456 0 0 0
1259 cpu0 1132 34 1441 11311718 3675 127 438 0 0 1264 cpu0 1132 34 1441 11311718 3675 127 438 0 0 0
1260 cpu1 1123 0 849 11313845 2614 0 18 0 0 1265 cpu1 1123 0 849 11313845 2614 0 18 0 0 0
1261 intr 114930548 113199788 3 0 5 263 0 4 [... lots more numbers ...] 1266 intr 114930548 113199788 3 0 5 263 0 4 [... lots more numbers ...]
1262 ctxt 1990473 1267 ctxt 1990473
1263 btime 1062191376 1268 btime 1062191376
@@ -1704,6 +1709,10 @@ A typical output is
1704 flags: 0100002 1709 flags: 0100002
1705 mnt_id: 19 1710 mnt_id: 19
1706 1711
1712All locks associated with a file descriptor are shown in its fdinfo too.
1713
1714lock: 1: FLOCK ADVISORY WRITE 359 00:13:11691 0 EOF
1715
1707The files such as eventfd, fsnotify, signalfd, epoll among the regular pos/flags 1716The files such as eventfd, fsnotify, signalfd, epoll among the regular pos/flags
1708pair provide additional information particular to the objects they represent. 1717pair provide additional information particular to the objects they represent.
1709 1718