linux-kernel - [PATCH v1 6/6] perf sched stats: Fixes in man page

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Message-ID: <20260127185000.431884-7-swapnil.sapkal@amd.com>
Date: Tue, 27 Jan 2026 18:50:00 +0000
From: Swapnil Sapkal <swapnil.sapkal@....com>
To: <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
	<namhyung@...nel.org>, <irogers@...gle.com>, <james.clark@....com>
CC: <mark.rutland@....com>, <alexander.shishkin@...ux.intel.com>,
	<jolsa@...nel.org>, <adrian.hunter@...el.com>, <thomas.falcon@...el.com>,
	<ashelat@...hat.com>, <yu.c.chen@...el.com>, <sshegde@...ux.ibm.com>,
	<gautham.shenoy@....com>, <ravi.bangoria@....com>, <swapnil.sapkal@....com>,
	<linux-kernel@...r.kernel.org>, <linux-perf-users@...r.kernel.org>
Subject: [PATCH v1 6/6] perf sched stats: Fixes in man page

Fix the incorrect description of the schedstats report. Also fix the
spelling errors in man page.

Fixes: 800af362d689 ("perf sched stats: Add details in man page")
Reported-by: Shrikanth Hegde <sshegde@...ux.ibm.com>
Signed-off-by: Swapnil Sapkal <swapnil.sapkal@....com>
---
 tools/perf/Documentation/perf-sched.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt
index 5bfb7bb6c633..4d9981609c04 100644
--- a/tools/perf/Documentation/perf-sched.txt
+++ b/tools/perf/Documentation/perf-sched.txt
@@ -86,7 +86,7 @@ There are several variants of 'perf sched':
    exposed through the file ``/proc/schedstat``. These counters are enabled or disabled
    via the sysctl governed by the file ``/proc/sys/kernel/sched_schedstats``. These
    counters accounts for many scheduler events such as ``schedule()`` calls, load-balancing
-   events, ``try_to_wakeup()`` call among others. This is useful in understading the
+   events, ``try_to_wakeup()`` call among others. This is useful in understanding the
    scheduler behavior for the workload.
 
    Note: The tool will not give correct results if there is topological reordering or
@@ -100,7 +100,7 @@ There are several variants of 'perf sched':
    A detailed description of the schedstats can be found in the Kernel Documentation:
    https://www.kernel.org/doc/html/latest/scheduler/sched-stats.html
 
-   The result can be interprested as follows:
+   The result can be interpreted as follows:
 
    The `perf sched stats report` starts with description of the columns present in
    the report. These column names are given before cpu and domain stats to improve
@@ -116,7 +116,7 @@ There are several variants of 'perf sched':
    Next is the total profiling time in terms of jiffies:
 
    ----------------------------------------------------------------------------------------------------
-   Time elapsed (in jiffies)                                   :       24537
+   Time elapsed (in jiffies)                                   :        2323
    ----------------------------------------------------------------------------------------------------
 
    Next is CPU scheduling statistics. These are simple diffs of /proc/schedstat CPU lines
@@ -210,7 +210,7 @@ There are several variants of 'perf sched':
 
    While profiling was active, the load-balancer found 28490 times the load
    needs to be balanced on a newly idle CPU 0. Following value encapsulated
-   inside $ is average jiffies between two events (28490 / 24537 = 0.08).
+   inside $ is average jiffies between two events (2323 / 28490 = 0.08).
 
    Next are active_load_balance() stats. alb did not trigger while the
    profiling was active, hence it's all 0s.
-- 
2.43.0