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| author | Mike Galbraith <efault@gmx.de> | 2009-07-20 14:01:38 +0200 |
|---|---|---|
| committer | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-07-22 18:05:58 +0200 |
| commit | d20ff6bd6bba2e7e6681fa17565347b410c46ab3 (patch) | |
| tree | ee66a9f5e73dd5deffdd012aa0d1e6d1628ba2af /tools | |
| parent | perf_counter: Detect debugfs location (diff) | |
| download | linux-d20ff6bd6bba2e7e6681fa17565347b410c46ab3.tar.xz linux-d20ff6bd6bba2e7e6681fa17565347b410c46ab3.zip | |
perf_counter tools: Fix vmlinux symbol generation breakage
vmlinux meets the criteria for symbol adjustment, which breaks vmlinux generated symbols.
Fix this by exempting vmlinux. This is a bit fragile in that someone could change the
kernel dso's name, but currently that name is also hardwired.
Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1248091298.18702.18.camel@marge.simson.net>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/symbol.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 98aee922acca..28106059bf12 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -525,7 +525,7 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, GElf_Sym sym; Elf_Scn *sec, *sec_strndx; Elf *elf; - int nr = 0; + int nr = 0, kernel = !strcmp("[kernel]", self->name); elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); if (elf == NULL) { @@ -571,10 +571,13 @@ static int dso__load_sym(struct dso *self, int fd, const char *name, nr_syms = shdr.sh_size / shdr.sh_entsize; memset(&sym, 0, sizeof(sym)); - self->adjust_symbols = (ehdr.e_type == ET_EXEC || + if (!kernel) { + self->adjust_symbols = (ehdr.e_type == ET_EXEC || elf_section_by_name(elf, &ehdr, &shdr, ".gnu.prelink_undo", NULL) != NULL); + } else self->adjust_symbols = 0; + elf_symtab__for_each_symbol(syms, nr_syms, index, sym) { struct symbol *f; const char *name; |