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.