From a93c83eca48a4ffb8e57cb0c7cc2e3935744d2c6 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Tue, 21 May 2024 15:35:55 -0700 Subject: [PATCH] perf docs: Fix typos Assorted typo fixes. Signed-off-by: Ian Rogers Reviewed-by: James Clark Cc: Changbin Du Signed-off-by: Namhyung Kim Link: https://lore.kernel.org/r/20240521223555.858859-1-irogers@google.com --- tools/perf/Documentation/perf-kwork.txt | 4 ++-- tools/perf/Documentation/perf-mem.txt | 2 +- tools/perf/Documentation/perf-record.txt | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/tools/perf/Documentation/perf-kwork.txt b/tools/perf/Documentation/perf-kwork.txt index 109ace1d5e90..21e607669d78 100644 --- a/tools/perf/Documentation/perf-kwork.txt +++ b/tools/perf/Documentation/perf-kwork.txt @@ -1,4 +1,4 @@ -perf-kowrk(1) +perf-kwork(1) ============= NAME @@ -35,7 +35,7 @@ There are several variants of 'perf kwork': perf kwork top perf kwork top -b - By default it shows the individual work events such as irq, workqeueu, + By default it shows the individual work events such as irq, workqueue, including the run time and delay (time between raise and actually entry): Runtime start Runtime end Cpu Kwork name Runtime Delaytime diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt index 19862572e3f2..47456b212e99 100644 --- a/tools/perf/Documentation/perf-mem.txt +++ b/tools/perf/Documentation/perf-mem.txt @@ -21,7 +21,7 @@ and stores are sampled. Use the -t option to limit to loads or stores. Note that on Intel systems the memory latency reported is the use-latency, not the pure load (or store latency). Use latency includes any pipeline -queueing delays in addition to the memory subsystem latency. +queuing delays in addition to the memory subsystem latency. On Arm64 this uses SPE to sample load and store operations, therefore hardware and kernel support is required. See linkperf:perf-arm-spe[1] for a setup guide. diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 6015fdd08fb6..77578c0a142a 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -311,7 +311,7 @@ OPTIONS User can change the size by passing the size after comma like "--call-graph dwarf,4096". - When "fp" recording is used, perf tries to save stack enties + When "fp" recording is used, perf tries to save stack entries up to the number specified in sysctl.kernel.perf_event_max_stack by default. User can change the number by passing it after comma like "--call-graph fp,32".