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authorKan Liang <[email protected]>2018-03-06 15:36:07 +0000
committerArnaldo Carvalho de Melo <[email protected]>2018-03-08 13:05:53 +0000
commitb9bae2c841b73eac6bfed510bc24a3051754ff51 (patch)
tree8533c197b859d64024805e0f4f6b9c2e778c20db /tools/perf/util/python.c
parentperf mmap: Simplify perf_mmap__read_event() (diff)
downloadkernel-b9bae2c841b73eac6bfed510bc24a3051754ff51.tar.gz
kernel-b9bae2c841b73eac6bfed510bc24a3051754ff51.zip
perf mmap: Simplify perf_mmap__read_init()
It isn't necessary to pass the 'start', 'end' and 'overwrite' arguments to perf_mmap__read_init(). The data is stored in the struct perf_mmap. Discard the parameters. Signed-off-by: Kan Liang <[email protected]> Suggested-by: Arnaldo Carvalho de Melo <[email protected]> Acked-by: Jiri Olsa <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/util/python.c')
-rw-r--r--tools/perf/util/python.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 4798db93e7ee..b956868fd445 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -984,7 +984,6 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
int sample_id_all = 1, cpu;
static char *kwlist[] = { "cpu", "sample_id_all", NULL };
struct perf_mmap *md;
- u64 end, start;
int err;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist,
@@ -992,7 +991,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
return NULL;
md = &evlist->mmap[cpu];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
goto end;
event = perf_mmap__read_event(md);