[PATCH (2) 07/34] perf_event_open.2: Use sizeof consistently

Alejandro Colomar
2020-09-04T10:57:46Z

From ec1f70a162b0f4ea7a191baf8c098d7872dedce6 Mon Sep 17 00:00:00 2001
From: Alejandro Colomar <colomar.6.4.3@gmail.com>
Date: Thu, 3 Sep 2020 21:29:33 +0200
Subject: [PATCH 07/34] perf_event_open.2: Use sizeof consistently

Use ``sizeof`` consistently through all the examples in the following
way:

- Use the name of the variable instead of its type as argument for
``sizeof``.

Rationale:
https://www.kernel.org/doc/html/v5.8/process/coding-style.html#allocating-memory

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
---
man2/perf_event_open.2 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index ea5ee725f..aea825706 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -3439,7 +3439,7 @@ main(int argc, char **argv)
printf("Measuring instruction count for this printf\en");

ioctl(fd, PERF_EVENT_IOC_DISABLE, 0);
- read(fd, &count, sizeof(long long));
+ read(fd, &count, sizeof(count));

printf("Used %lld instructions\en", count);

--
2.28.0