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e57cfcdac6
The write_event() function in builtin-record.c writes out all mmap()'d DSOs including non-ELF files like GNOME resource files and such. Therefore, check for ELF_K_ELF in filename__read_build_id() before attempting to read the ELF header with gelf_getehdr(). Fixes the following error messages when running "perf kmem record": penberg@penberg-laptop:~/src/linux/tools/perf$ perf kmem record ^C[ perf record: Woken up 2 times to write data ] [ perf record: Captured and wrote 0.753 MB perf.data (~32885 samples) ] filename__read_build_id: cannot get elf header. filename__read_build_id: cannot get elf header. filename__read_build_id: cannot get elf header. filename__read_build_id: cannot get elf header. filename__read_build_id: cannot get elf header. filename__read_build_id: cannot get elf header. filename__read_build_id: cannot get elf header. filename__read_build_id: cannot get elf header. filename__read_build_id: cannot get elf header. Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <1258885784-11709-1-git-send-email-penberg@cs.helsinki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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