[PATCH v5 2/8] perf tools: Choose correct reading direction according to evlist->backward

Now we have evlist->backward to indicate the mmap direction. Make perf_evlist__mmap_read() choose right direction automatically. Signed-off-by: Wang Nan Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc: Masami Hiramatsu

[PATCH v5 2/8] perf tools: Choose correct reading direction according to evlist->backward

Now we have evlist->backward to indicate the mmap direction. Make perf_evlist__mmap_read() choose right direction automatically. Signed-off-by: Wang Nan Cc: Arnaldo Carvalho de Melo Cc: Jiri Olsa Cc: Masami Hiramatsu Cc: Namhyung Kim Cc: Zefan Li Cc: He Kuang --- tools/perf/util/evlist.c