[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/tools/perf/builtin-inject.c b/ap/os/linux/linux-3.4.x/tools/perf/builtin-inject.c
new file mode 100644
index 0000000..09c1061
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/tools/perf/builtin-inject.c
@@ -0,0 +1,276 @@
+/*
+ * builtin-inject.c
+ *
+ * Builtin inject command: Examine the live mode (stdin) event stream
+ * and repipe it to stdout while optionally injecting additional
+ * events into it.
+ */
+#include "builtin.h"
+
+#include "perf.h"
+#include "util/session.h"
+#include "util/tool.h"
+#include "util/debug.h"
+
+#include "util/parse-options.h"
+
+static char const *input_name = "-";
+static bool inject_build_ids;
+
+static int perf_event__repipe_synth(struct perf_tool *tool __used,
+ union perf_event *event,
+ struct machine *machine __used)
+{
+ uint32_t size;
+ void *buf = event;
+
+ size = event->header.size;
+
+ while (size) {
+ int ret = write(STDOUT_FILENO, buf, size);
+ if (ret < 0)
+ return -errno;
+
+ size -= ret;
+ buf += ret;
+ }
+
+ return 0;
+}
+
+static int perf_event__repipe_op2_synth(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_session *session __used)
+{
+ return perf_event__repipe_synth(tool, event, NULL);
+}
+
+static int perf_event__repipe_event_type_synth(struct perf_tool *tool,
+ union perf_event *event)
+{
+ return perf_event__repipe_synth(tool, event, NULL);
+}
+
+static int perf_event__repipe_tracing_data_synth(union perf_event *event,
+ struct perf_session *session __used)
+{
+ return perf_event__repipe_synth(NULL, event, NULL);
+}
+
+static int perf_event__repipe_attr(union perf_event *event,
+ struct perf_evlist **pevlist __used)
+{
+ return perf_event__repipe_synth(NULL, event, NULL);
+}
+
+static int perf_event__repipe(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __used,
+ struct machine *machine)
+{
+ return perf_event__repipe_synth(tool, event, machine);
+}
+
+static int perf_event__repipe_sample(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __used,
+ struct perf_evsel *evsel __used,
+ struct machine *machine)
+{
+ return perf_event__repipe_synth(tool, event, machine);
+}
+
+static int perf_event__repipe_mmap(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ int err;
+
+ err = perf_event__process_mmap(tool, event, sample, machine);
+ perf_event__repipe(tool, event, sample, machine);
+
+ return err;
+}
+
+static int perf_event__repipe_task(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ int err;
+
+ err = perf_event__process_task(tool, event, sample, machine);
+ perf_event__repipe(tool, event, sample, machine);
+
+ return err;
+}
+
+static int perf_event__repipe_tracing_data(union perf_event *event,
+ struct perf_session *session)
+{
+ int err;
+
+ perf_event__repipe_synth(NULL, event, NULL);
+ err = perf_event__process_tracing_data(event, session);
+
+ return err;
+}
+
+static int dso__read_build_id(struct dso *self)
+{
+ if (self->has_build_id)
+ return 0;
+
+ if (filename__read_build_id(self->long_name, self->build_id,
+ sizeof(self->build_id)) > 0) {
+ self->has_build_id = true;
+ return 0;
+ }
+
+ return -1;
+}
+
+static int dso__inject_build_id(struct dso *self, struct perf_tool *tool,
+ struct machine *machine)
+{
+ u16 misc = PERF_RECORD_MISC_USER;
+ int err;
+
+ if (dso__read_build_id(self) < 0) {
+ pr_debug("no build_id found for %s\n", self->long_name);
+ return -1;
+ }
+
+ if (self->kernel)
+ misc = PERF_RECORD_MISC_KERNEL;
+
+ err = perf_event__synthesize_build_id(tool, self, misc, perf_event__repipe,
+ machine);
+ if (err) {
+ pr_err("Can't synthesize build_id event for %s\n", self->long_name);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int perf_event__inject_buildid(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel __used,
+ struct machine *machine)
+{
+ struct addr_location al;
+ struct thread *thread;
+ u8 cpumode;
+
+ cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+
+ thread = machine__findnew_thread(machine, event->ip.pid);
+ if (thread == NULL) {
+ pr_err("problem processing %d event, skipping it.\n",
+ event->header.type);
+ goto repipe;
+ }
+
+ thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
+ event->ip.ip, &al);
+
+ if (al.map != NULL) {
+ if (!al.map->dso->hit) {
+ al.map->dso->hit = 1;
+ if (map__load(al.map, NULL) >= 0) {
+ dso__inject_build_id(al.map->dso, tool, machine);
+ /*
+ * If this fails, too bad, let the other side
+ * account this as unresolved.
+ */
+ } else
+ pr_warning("no symbols found in %s, maybe "
+ "install a debug package?\n",
+ al.map->dso->long_name);
+ }
+ }
+
+repipe:
+ perf_event__repipe(tool, event, sample, machine);
+ return 0;
+}
+
+struct perf_tool perf_inject = {
+ .sample = perf_event__repipe_sample,
+ .mmap = perf_event__repipe,
+ .comm = perf_event__repipe,
+ .fork = perf_event__repipe,
+ .exit = perf_event__repipe,
+ .lost = perf_event__repipe,
+ .read = perf_event__repipe_sample,
+ .throttle = perf_event__repipe,
+ .unthrottle = perf_event__repipe,
+ .attr = perf_event__repipe_attr,
+ .event_type = perf_event__repipe_event_type_synth,
+ .tracing_data = perf_event__repipe_tracing_data_synth,
+ .build_id = perf_event__repipe_op2_synth,
+};
+
+extern volatile int session_done;
+
+static void sig_handler(int sig __attribute__((__unused__)))
+{
+ session_done = 1;
+}
+
+static int __cmd_inject(void)
+{
+ struct perf_session *session;
+ int ret = -EINVAL;
+
+ signal(SIGINT, sig_handler);
+
+ if (inject_build_ids) {
+ perf_inject.sample = perf_event__inject_buildid;
+ perf_inject.mmap = perf_event__repipe_mmap;
+ perf_inject.fork = perf_event__repipe_task;
+ perf_inject.tracing_data = perf_event__repipe_tracing_data;
+ }
+
+ session = perf_session__new(input_name, O_RDONLY, false, true, &perf_inject);
+ if (session == NULL)
+ return -ENOMEM;
+
+ ret = perf_session__process_events(session, &perf_inject);
+
+ perf_session__delete(session);
+
+ return ret;
+}
+
+static const char * const report_usage[] = {
+ "perf inject [<options>]",
+ NULL
+};
+
+static const struct option options[] = {
+ OPT_BOOLEAN('b', "build-ids", &inject_build_ids,
+ "Inject build-ids into the output stream"),
+ OPT_INCR('v', "verbose", &verbose,
+ "be more verbose (show build ids, etc)"),
+ OPT_END()
+};
+
+int cmd_inject(int argc, const char **argv, const char *prefix __used)
+{
+ argc = parse_options(argc, argv, options, report_usage, 0);
+
+ /*
+ * Any (unrecognized) arguments left?
+ */
+ if (argc)
+ usage_with_options(report_usage, options);
+
+ if (symbol__init() < 0)
+ return -1;
+
+ return __cmd_inject();
+}