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Date: Sat, 5 Jan 2013 13:29:57 +0800 From: Joshua Zhu <zhu.wen-jie@...com> To: a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com, acme@...stprotocols.net, namhyung@...nel.org, dsahern@...il.com, akihiro.nagai.hw@...achi.com, jolsa@...hat.com, andi@...stfloor.org Cc: zhu.wen-jie@...com, linux-kernel@...r.kernel.org Subject: [PATCH] Perf: add anonymous huge page recognition Judging anonymous memory's vm_area_struct, perf_mmap_event's filename will be set to "//anon" indicating this vma is belong to anonymous memory. Once hugepage is used, vma's vm_file points to hugetlbfs. In this way, this vma will not be regarded as anonymous memory by is_anon_memory() in perf user space utility. Signed-off-by: Joshua Zhu <zhu.wen-jie@...com> --- tools/perf/util/map.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 0328d45..ff94425 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -19,7 +19,8 @@ const char *map_type__name[MAP__NR_TYPES] = { static inline int is_anon_memory(const char *filename) { - return strcmp(filename, "//anon") == 0; + return !strcmp(filename, "//anon") || + !strcmp(filename, "/anon_hugepage (deleted)"); } static inline int is_no_dso_memory(const char *filename) -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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