redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

libperf: Add 'flush' to 'struct perf_mmap' 

Move 'flush' from tools/perf's mmap to libperf's perf_mmap struct.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lore.kernel.org/lkml/20190913132355.21634-19-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
alistair/sunxi64-5.4-dsi
Jiri Olsa 2019-08-27 16:05:18 +02:00 committed by Arnaldo Carvalho de Melo
parent 4443e6d770
commit 65aa2e6bae
4 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
tools/perf/builtin-record.c
View File

@ -973,13 +973,13 @@ static int record__mmap_read_evlist(struct record *rec, struct evlist *evlist,
if (map->core.base) {
record__adjust_affinity(rec, map);
if (synch) {
flush = map->flush;
map->flush = 1;
flush = map->core.flush;
map->core.flush = 1;
}
if (!record__aio_enabled(rec)) {
if (perf_mmap__push(map, rec, record__pushfn) < 0) {
if (synch)
map->flush = flush;
map->core.flush = flush;
rc = -1;
goto out;
}
@ -987,13 +987,13 @@ static int record__mmap_read_evlist(struct record *rec, struct evlist *evlist,
if (record__aio_push(rec, map, &off) < 0) {
record__aio_set_pos(trace_fd, off);
if (synch)
map->flush = flush;
map->core.flush = flush;
rc = -1;
goto out;
}
}
if (synch)
map->flush = flush;
map->core.flush = flush;
}
if (map->auxtrace_mmap.base && !rec->opts.auxtrace_snapshot_mode &&

1
tools/perf/lib/include/internal/mmap.h
View File

@ -25,6 +25,7 @@ struct perf_mmap {
u64 start;
u64 end;
bool overwrite;
u64 flush;
char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8);
};

4
tools/perf/util/mmap.c
View File

@ -383,7 +383,7 @@ int perf_mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, int cpu)
perf_mmap__setup_affinity_mask(map, mp);
map->flush = mp->flush;
map->core.flush = mp->flush;
map->comp_level = mp->comp_level;
@ -450,7 +450,7 @@ static int __perf_mmap__read_init(struct mmap *md)
md->core.start = md->core.overwrite ? head : old;
md->core.end = md->core.overwrite ? old : head;
if ((md->core.end - md->core.start) < md->flush)
if ((md->core.end - md->core.start) < md->core.flush)
return -EAGAIN;
size = md->core.end - md->core.start;

1
tools/perf/util/mmap.h
View File

@ -32,7 +32,6 @@ struct mmap {
} aio;
#endif
cpu_set_t affinity_mask;
u64 flush;
void *data;
int comp_level;
};