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perf auxtrace: Alter addr_filter__entire_dso() to work if there are no symbols

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addr_filter__entire_dso() uses the first and last symbols from a dso,
and so does not work when there are no symbols.  Alter it to filter the
whole file instead.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Fixes: 1b36c03e35 ("perf record: Add support for using symbols in address filters")
Link: http://lkml.kernel.org/r/20181127084634.12469-1-adrian.hunter@intel.com
[ split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2018-11-27 10:46:34 +02:00 committed by Arnaldo Carvalho de Melo
parent b5c2161cc4
commit 571766010e
1 changed files with 4 additions and 7 deletions
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11
tools/perf/util/auxtrace.c
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@ -1983,17 +1983,14 @@ static int find_dso_sym(struct dso *dso, const char *sym_name, u64 *start,
static int addr_filter__entire_dso(struct addr_filter *filt, struct dso *dso)
{
struct symbol *first_sym = dso__first_symbol(dso);
struct symbol *last_sym = dso__last_symbol(dso);
if (!first_sym || !last_sym) {
pr_err("Failed to determine filter for %s\nNo symbols found.\n",
if (dso__data_file_size(dso, NULL)) {
pr_err("Failed to determine filter for %s\nCannot determine file size.\n",
filt->filename);
return -EINVAL;
}
filt->addr = first_sym->start;
filt->size = last_sym->end - first_sym->start;
filt->addr = 0;
filt->size = dso->data.file_size;
return 0;
}