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-rw-r--r--tools/perf/builtin-record.c74
1 files changed, 64 insertions, 10 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 199fc31e3919..319712a4e02b 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -11,7 +11,7 @@
#include "util/build-id.h"
#include "util/util.h"
-#include "util/parse-options.h"
+#include <subcmd/parse-options.h>
#include "util/parse-events.h"
#include "util/callchain.h"
@@ -50,6 +50,7 @@ struct record {
int realtime_prio;
bool no_buildid;
bool no_buildid_cache;
+ bool buildid_all;
unsigned long long samples;
};
@@ -362,6 +363,13 @@ static int process_buildids(struct record *rec)
*/
symbol_conf.ignore_vmlinux_buildid = true;
+ /*
+ * If --buildid-all is given, it marks all DSO regardless of hits,
+ * so no need to process samples.
+ */
+ if (rec->buildid_all)
+ rec->tool.sample = NULL;
+
return perf_session__process_events(session);
}
@@ -452,6 +460,8 @@ static void record__init_features(struct record *rec)
if (!rec->opts.full_auxtrace)
perf_header__clear_feat(&session->header, HEADER_AUXTRACE);
+
+ perf_header__clear_feat(&session->header, HEADER_STAT);
}
static volatile int workload_exec_errno;
@@ -754,12 +764,8 @@ out_child:
if (!rec->no_buildid) {
process_buildids(rec);
- /*
- * We take all buildids when the file contains
- * AUX area tracing data because we do not decode the
- * trace because it would take too long.
- */
- if (rec->opts.full_auxtrace)
+
+ if (rec->buildid_all)
dsos__hit_all(rec->session);
}
perf_session__write_header(rec->session, rec->evlist, fd, true);
@@ -813,8 +819,12 @@ int record_parse_callchain_opt(const struct option *opt,
}
ret = parse_callchain_record_opt(arg, &callchain_param);
- if (!ret)
+ if (!ret) {
+ /* Enable data address sampling for DWARF unwind. */
+ if (callchain_param.record_mode == CALLCHAIN_DWARF)
+ record->sample_address = true;
callchain_debug();
+ }
return ret;
}
@@ -837,6 +847,19 @@ int record_callchain_opt(const struct option *opt,
static int perf_record_config(const char *var, const char *value, void *cb)
{
+ struct record *rec = cb;
+
+ if (!strcmp(var, "record.build-id")) {
+ if (!strcmp(value, "cache"))
+ rec->no_buildid_cache = false;
+ else if (!strcmp(value, "no-cache"))
+ rec->no_buildid_cache = true;
+ else if (!strcmp(value, "skip"))
+ rec->no_buildid = true;
+ else
+ return -1;
+ return 0;
+ }
if (!strcmp(var, "record.call-graph"))
var = "call-graph.record-mode"; /* fall-through */
@@ -1113,12 +1136,14 @@ struct option __record_options[] = {
"per thread proc mmap processing timeout in ms"),
OPT_BOOLEAN(0, "switch-events", &record.opts.record_switch_events,
"Record context switch events"),
-#ifdef HAVE_LIBBPF_SUPPORT
OPT_STRING(0, "clang-path", &llvm_param.clang_path, "clang path",
"clang binary to use for compiling BPF scriptlets"),
OPT_STRING(0, "clang-opt", &llvm_param.clang_opt, "clang options",
"options passed to clang when compiling BPF scriptlets"),
-#endif
+ OPT_STRING(0, "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
+ OPT_BOOLEAN(0, "buildid-all", &record.buildid_all,
+ "Record build-id of all DSOs regardless of hits"),
OPT_END()
};
@@ -1130,6 +1155,27 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
struct record *rec = &record;
char errbuf[BUFSIZ];
+#ifndef HAVE_LIBBPF_SUPPORT
+# define set_nobuild(s, l, c) set_option_nobuild(record_options, s, l, "NO_LIBBPF=1", c)
+ set_nobuild('\0', "clang-path", true);
+ set_nobuild('\0', "clang-opt", true);
+# undef set_nobuild
+#endif
+
+#ifndef HAVE_BPF_PROLOGUE
+# if !defined (HAVE_DWARF_SUPPORT)
+# define REASON "NO_DWARF=1"
+# elif !defined (HAVE_LIBBPF_SUPPORT)
+# define REASON "NO_LIBBPF=1"
+# else
+# define REASON "this architecture doesn't support BPF prologue"
+# endif
+# define set_nobuild(s, l, c) set_option_nobuild(record_options, s, l, REASON, c)
+ set_nobuild('\0', "vmlinux", true);
+# undef set_nobuild
+# undef REASON
+#endif
+
rec->evlist = perf_evlist__new();
if (rec->evlist == NULL)
return -ENOMEM;
@@ -1215,6 +1261,14 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
if (err)
goto out_symbol_exit;
+ /*
+ * We take all buildids when the file contains
+ * AUX area tracing data because we do not decode the
+ * trace because it would take too long.
+ */
+ if (rec->opts.full_auxtrace)
+ rec->buildid_all = true;
+
if (record_opts__config(&rec->opts)) {
err = -EINVAL;
goto out_symbol_exit;