perf tools: Fix foolproof typo

In the context of LBR stitching documentation.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Kan Liang <kan.liang@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ali Saidi <alisaidi@amazon.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Sandipan Das <sandipan.das@amd.com>
Link: https://lore.kernel.org/r/20230119201036.156441-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

4 files changed, 4 insertions, 4 deletions

diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index 5c5eb2def83e..af5c3106f468 100644
--- a/tools/perf/Documentation/perf-c2c.txt
+++ b/tools/perf/Documentation/perf-c2c.txt
@@ -121,7 +121,7 @@ REPORT OPTIONS
 	perf c2c record --call-graph lbr.
 	Disabled by default. In common cases with call stack overflows,
 	it can recreate better call stacks than the default lbr call stack
-	output. But this approach is not full proof. There can be cases
+	output. But this approach is not foolproof. There can be cases
 	where it creates incorrect call stacks from incorrect matches.
 	The known limitations include exception handing such as
 	setjmp/longjmp will have calls/returns not match.
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 4fa509b15948..9b0c0dbf9a77 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -507,7 +507,7 @@ include::itrace.txt[]
 	perf record --call-graph lbr.
 	Disabled by default. In common cases with call stack overflows,
 	it can recreate better call stacks than the default lbr call stack
-	output. But this approach is not full proof. There can be cases
+	output. But this approach is not foolproof. There can be cases
 	where it creates incorrect call stacks from incorrect matches.
 	The known limitations include exception handing such as
 	setjmp/longjmp will have calls/returns not match.
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 68e37de5fae4..8d77182fbf31 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -502,7 +502,7 @@ include::itrace.txt[]
 	perf record --call-graph lbr.
 	Disabled by default. In common cases with call stack overflows,
 	it can recreate better call stacks than the default lbr call stack
-	output. But this approach is not full proof. There can be cases
+	output. But this approach is not foolproof. There can be cases
 	where it creates incorrect call stacks from incorrect matches.
 	The known limitations include exception handing such as
 	setjmp/longjmp will have calls/returns not match.
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index e534d709cc5a..c60e615b7183 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -334,7 +334,7 @@ use '-e e1 -e e2 -G foo,foo' or just use '-e e1 -e e2 -G foo'.
 	callgraph. The option must be used with --call-graph lbr recording.
 	Disabled by default. In common cases with call stack overflows,
 	it can recreate better call stacks than the default lbr call stack
-	output. But this approach is not full proof. There can be cases
+	output. But this approach is not foolproof. There can be cases
 	where it creates incorrect call stacks from incorrect matches.
 	The known limitations include exception handing such as
 	setjmp/longjmp will have calls/returns not match.