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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-05-17 21:03:05 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-05-17 22:03:34 +0300
commit9ac94e31ca8c6311ec9eb68aea513e39ad809013 (patch)
tree352e30a3305522b1744c6c333ae497e119b9fac8 /tools/perf/util/sort.h
parent6e1690c4c0b540930f08295b6a95c8660b257745 (diff)
downloadlinux-9ac94e31ca8c6311ec9eb68aea513e39ad809013.tar.xz
perf tools: Read the cache line size lazily
It is not read as commonly as 'page_size', so it makes sense to read it lazily, caching its value when it is first read. Less files open unconditionally at startup. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-35xhrq91u94uc1djtclek1ie@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/sort.h')
-rw-r--r--tools/perf/util/sort.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 035b62e2c60b..9e6896293bbd 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -186,13 +186,13 @@ static inline float hist_entry__get_percent_limit(struct hist_entry *he)
static inline u64 cl_address(u64 address)
{
/* return the cacheline of the address */
- return (address & ~(cacheline_size - 1));
+ return (address & ~(cacheline_size() - 1));
}
static inline u64 cl_offset(u64 address)
{
/* return the cacheline of the address */
- return (address & (cacheline_size - 1));
+ return (address & (cacheline_size() - 1));
}
enum sort_mode {