linux-kernel - [PATCH] docs: proc.rst: fix wrong time unit

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Date:   Thu,  3 Mar 2022 00:11:16 +0800
From:   YI <afctgo@...il.com>
To:     trivial@...nel.org
Cc:     YI <afctgo@...il.com>, Jonathan Corbet <corbet@....net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Anton Mitterer <mail@...istoph.anton.mitterer.name>,
        Kalesh Singh <kaleshsingh@...gle.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Colin Cross <ccross@...gle.com>,
        Mike Rapoport <rppt@...nel.org>, Peter Xu <peterx@...hat.com>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: [PATCH] docs: proc.rst: fix wrong time unit

From: YI <afctgo@...il.com>

Dear Trivial Patch Monkey, 

This commit fixes a small documentaion problem reported in
https://bugzilla.kernel.org/show_bug.cgi?id=194593.

Some fields in the file /proc/$pid/stat represent time.
Their units are clock_t, not jiffies as stated in the documentation.
This commit fixes https://bugzilla.kernel.org/show_bug.cgi?id=194593.

Reported-by: hujunjie
Signed-off-by: YI <afctgo@...il.com>
---
 Documentation/filesystems/proc.rst | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 061744c436d9..433ad4623630 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -340,10 +340,10 @@ It's slow but very precise.
   cmin_flt      number of minor faults with child's
   maj_flt       number of major faults
   cmaj_flt      number of major faults with child's
-  utime         user mode jiffies
-  stime         kernel mode jiffies
-  cutime        user mode jiffies with child's
-  cstime        kernel mode jiffies with child's
+  utime         user mode processor time (clock_t)
+  stime         kernel mode processor time (clock_t)
+  cutime        user mode processor time (clock_t) with child's
+  cstime        kernel mode processor time (clock_t) with child's
   priority      priority level
   nice          nice level
   num_threads   number of threads
@@ -370,8 +370,8 @@ It's slow but very precise.
   rt_priority   realtime priority
   policy        scheduling policy (man sched_setscheduler)
   blkio_ticks   time spent waiting for block IO
-  gtime         guest time of the task in jiffies
-  cgtime        guest time of the task children in jiffies
+  gtime         guest time of the task in processor time (clock_t)
+  cgtime        guest time of the task children in processor time (clock_t)
   start_data    address above which program data+bss is placed
   end_data      address below which program data+bss is placed
   start_brk     address above which program heap can be expanded with brk()
-- 
2.34.1