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perf symbols: Fix vmlinux path when not using --symfs

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The ec5761e cset introduced the symfs feature with a bug for loading vmlinux
files that ended up causing this failure:

[root@emilia v2.6.38-rc5+]# strace -e trace=open perf top --vmlinux ./vmlinux 2>&1 | tail -3
open("/./vmlinux", O_RDONLY)            = -1 ENOENT (No such file or directory)
./vmlinux with build id b9266bf40e98dadb5d43a2f3e95d3c5d4aff46dc not found, continuing without symbols
The ./vmlinux file can't be used
[root@emilia v2.6.38-rc5+]#

Remove the extra slash, just like is done in the DSO__ORIG_DSO handling in
dso__load() and other parts of the ec5761e cset.

Reported-by: Ingo Molnar <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Tom Zanussi <[email protected]>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-02-28 13:54:38 -03:00
commit a639dc64e5
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/symbol.c
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@ -1836,7 +1836,7 @@ int dso__load_vmlinux(struct dso *self, struct map *map,
int err = -1, fd;
char symfs_vmlinux[PATH_MAX];
snprintf(symfs_vmlinux, sizeof(symfs_vmlinux), "%s/%s",
snprintf(symfs_vmlinux, sizeof(symfs_vmlinux), "%s%s",
symbol_conf.symfs, vmlinux);
fd = open(symfs_vmlinux, O_RDONLY);
if (fd < 0)