diff options
| author |   Adrian Hunter <adrian.hunter@intel.com> | 2016-09-23 17:38:39 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-09-29 11:17:02 -0300 |
| commit | 1b36c03e356936d62abbe2accaae1573d3b66f14 (patch) | |
| tree | 6eb7cc8ca62751aba4661d07823a6cea3cb912e7 /tools/perf/builtin-record.c | |
| parent | perf symbols: Add dso__last_symbol() (diff) | |
| download | wireguard-linux-1b36c03e356936d62abbe2accaae1573d3b66f14.tar.xz wireguard-linux-1b36c03e356936d62abbe2accaae1573d3b66f14.zip | |
perf record: Add support for using symbols in address filters
Symbols come from either the DSO or /proc/kallsyms for the kernel.
Details of the functionality can be found in Documentation/perf-record.txt.
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>
Link: http://lkml.kernel.org/r/1474641528-18776-8-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 962adcfc43a5..67d2a9003294 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1581,6 +1581,18 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) if (err) goto out; + /* + * Allow aliases to facilitate the lookup of symbols for address + * filters. Refer to auxtrace_parse_filters(). + */ + symbol_conf.allow_aliases = true; + + symbol__init(NULL); + + err = auxtrace_parse_filters(rec->evlist); + if (err) + goto out; + if (dry_run) goto out; @@ -1594,8 +1606,6 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) err = -ENOMEM; - symbol__init(NULL); - if (symbol_conf.kptr_restrict) pr_warning( "WARNING: Kernel address maps (/proc/{kallsyms,modules}) are restricted,\n" |