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0ac3348e50
Hugetlbfs mapping should be recognized as anon mapping so user has a chance to create /tmp/perf-<pid>.map file for symbol resolving. This patch utilizes MAP_HUGETLB to identify hugetlb mapping. After this patch, if perf is started before a program starts using huge pages (so perf gets MMAP2 events from kernel), perf is able to recognize hugetlb mapping as anon mapping. Signed-off-by: Wang Nan <wangnan0@huawei.com> Cc: He Kuang <hekuang@huawei.com> Cc: Nilay Vaish <nilayvaish@gmail.com> Cc: Zefan Li <lizefan@huawei.com> Link: http://lkml.kernel.org/r/1473137909-142064-2-git-send-email-wangnan0@huawei.com Signed-off-by: Hou Pengyang <houpengyang@huawei.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| arch | ||
| build | ||
| cgroup | ||
| firewire | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| kvm/kvm_stat | ||
| laptop/freefall | ||
| lguest | ||
| lib | ||
| net | ||
| nfsd | ||
| objtool | ||
| perf | ||
| power | ||
| scripts | ||
| spi | ||
| testing | ||
| thermal/tmon | ||
| time | ||
| usb | ||
| virtio | ||
| vm | ||
| Makefile | ||