Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

[cascardo/linux.git] / Documentation / accounting / delay-accounting.txt

diff --git a/Documentation/accounting/delay-accounting.txt b/Documentation/accounting/delay-accounting.txt
index 1443cd7..042ea59 100644 (file)
--- a/Documentation/accounting/delay-accounting.txt
+++ b/Documentation/accounting/delay-accounting.txt
@@ -11,6 +11,7 @@ the delays experienced by a task while
 a) waiting for a CPU (while being runnable)
 b) completion of synchronous block I/O initiated by the task
 c) swapping in pages
+d) memory reclaim
 
 and makes these statistics available to userspace through
 the taskstats interface.
@@ -41,7 +42,7 @@ this structure. See
      include/linux/taskstats.h
 for a description of the fields pertaining to delay accounting.
 It will generally be in the form of counters returning the cumulative
-delay seen for cpu, sync block I/O, swapin etc.
+delay seen for cpu, sync block I/O, swapin, memory reclaim etc.
 
 Taking the difference of two successive readings of a given
 counter (say cpu_delay_total) for a task will give the delay
@@ -53,9 +54,9 @@ are sent to userspace without requiring a command. If it is the last exiting
 task of a thread group, the per-tgid statistics are also sent. More details
 are given in the taskstats interface description.
 
-The getdelays.c userspace utility in this directory allows simple commands to
-be run and the corresponding delay statistics to be displayed. It also serves
-as an example of using the taskstats interface.
+The getdelays.c userspace utility in tools/accounting directory allows simple
+commands to be run and the corresponding delay statistics to be displayed. It
+also serves as an example of using the taskstats interface.
 
 Usage
 -----
@@ -94,7 +95,9 @@ CPU   count   real total      virtual total   delay total
        7876    92005750        100000000       24001500
 IO     count   delay total
        0       0
-MEM    count   delay total
+SWAP   count   delay total
+       0       0
+RECLAIM        count   delay total
        0       0
 
 Get delays seen in executing a given simple command
@@ -108,5 +111,7 @@ CPU count   real total      virtual total   delay total
        6       4000250         4000000         0
 IO     count   delay total
        0       0
-MEM    count   delay total
+SWAP   count   delay total
+       0       0
+RECLAIM        count   delay total
        0       0