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perf annotate: Try chroot filename for objdump

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Likewise, it should use a proper name in case the task runs under
chroot.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220202070828.143303-5-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2022-02-01 23:08:28 -08:00 committed by Arnaldo Carvalho de Melo
parent 75d48c5670
commit 40b0c5fd24
1 changed files with 10 additions and 0 deletions
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10
tools/perf/util/annotate.c
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@ -33,6 +33,7 @@
#include "string2.h"
#include "util/event.h"
#include "arch/common.h"
#include "namespaces.h"
#include <regex.h>
#include <pthread.h>
#include <linux/bitops.h>
@ -1696,6 +1697,15 @@ fallback:
* DSO is the same as when 'perf record' ran.
*/
__symbol__join_symfs(filename, filename_size, dso->long_name);
if (access(filename, R_OK) && errno == ENOENT && dso->nsinfo) {
char *new_name = filename_with_chroot(dso->nsinfo->pid,
filename);
if (new_name) {
strlcpy(filename, new_name, filename_size);
free(new_name);
}
}
}
free(build_id_path);