diff options
| author | David Ahern <dsahern@gmail.com> | 2015-04-07 09:20:37 -0600 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-04-10 11:29:20 -0300 |
| commit | 7b8283b56d9fb36106ff1c459dfd399a20bd374d (patch) | |
| tree | f0d3281f2d9b5ff8beb6209e5e226778a5d803b6 /tools/perf | |
| parent | 8cb0aa4c2db395b143cd5165586dc17677960002 (diff) | |
| download | linux-stable-7b8283b56d9fb36106ff1c459dfd399a20bd374d.tar.gz linux-stable-7b8283b56d9fb36106ff1c459dfd399a20bd374d.tar.bz2 linux-stable-7b8283b56d9fb36106ff1c459dfd399a20bd374d.zip | |
perf evlist: Fix type for references to data_head/tail
The data_head and data_tail fields are defined as __u64 in
linux/perf_event.h, but perf userspace uses int and unsigned int.
Convert all references to u64 for consistency.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1428420037-26599-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-record.c | 4 | ||||
| -rw-r--r-- | tools/perf/util/evlist.c | 6 | ||||
| -rw-r--r-- | tools/perf/util/evlist.h | 9 |
3 files changed, 9 insertions, 10 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index ac610488d2e1..c3efdfb630b5 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -70,8 +70,8 @@ static int process_synthesized_event(struct perf_tool *tool, static int record__mmap_read(struct record *rec, int idx) { struct perf_mmap *md = &rec->evlist->mmap[idx]; - unsigned int head = perf_mmap__read_head(md); - unsigned int old = md->prev; + u64 head = perf_mmap__read_head(md); + u64 old = md->prev; unsigned char *data = md->base + page_size; unsigned long size; void *buf; diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 76ef7ee62640..080be93eea96 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -634,8 +634,8 @@ static struct perf_evsel *perf_evlist__event2evsel(struct perf_evlist *evlist, union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx) { struct perf_mmap *md = &evlist->mmap[idx]; - unsigned int head = perf_mmap__read_head(md); - unsigned int old = md->prev; + u64 head = perf_mmap__read_head(md); + u64 old = md->prev; unsigned char *data = md->base + page_size; union perf_event *event = NULL; @@ -716,7 +716,7 @@ void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx) struct perf_mmap *md = &evlist->mmap[idx]; if (!evlist->overwrite) { - unsigned int old = md->prev; + u64 old = md->prev; perf_mmap__write_tail(md, old); } diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index fb19c47b8aac..b5cce95d644e 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -27,7 +27,7 @@ struct perf_mmap { void *base; int mask; int refcnt; - unsigned int prev; + u64 prev; char event_copy[PERF_SAMPLE_MAX_SIZE] __attribute__((aligned(8))); }; @@ -189,16 +189,15 @@ size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp); int perf_evlist__strerror_open(struct perf_evlist *evlist, int err, char *buf, size_t size); int perf_evlist__strerror_mmap(struct perf_evlist *evlist, int err, char *buf, size_t size); -static inline unsigned int perf_mmap__read_head(struct perf_mmap *mm) +static inline u64 perf_mmap__read_head(struct perf_mmap *mm) { struct perf_event_mmap_page *pc = mm->base; - int head = ACCESS_ONCE(pc->data_head); + u64 head = ACCESS_ONCE(pc->data_head); rmb(); return head; } -static inline void perf_mmap__write_tail(struct perf_mmap *md, - unsigned long tail) +static inline void perf_mmap__write_tail(struct perf_mmap *md, u64 tail) { struct perf_event_mmap_page *pc = md->base; |