zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/tools/perf/builtin-report.c b/ap/os/linux/linux-3.4.x/tools/perf/builtin-report.c
new file mode 100644
index 0000000..cdae9b2
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/tools/perf/builtin-report.c
@@ -0,0 +1,763 @@
+/*
+ * builtin-report.c
+ *
+ * Builtin report command: Analyze the perf.data input file,
+ * look up and read DSOs and symbol information and display
+ * a histogram of results, along various sorting keys.
+ */
+#include "builtin.h"
+
+#include "util/util.h"
+
+#include "util/annotate.h"
+#include "util/color.h"
+#include <linux/list.h>
+#include "util/cache.h"
+#include <linux/rbtree.h>
+#include "util/symbol.h"
+#include "util/callchain.h"
+#include "util/strlist.h"
+#include "util/values.h"
+
+#include "perf.h"
+#include "util/debug.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
+#include "util/header.h"
+#include "util/session.h"
+#include "util/tool.h"
+
+#include "util/parse-options.h"
+#include "util/parse-events.h"
+
+#include "util/thread.h"
+#include "util/sort.h"
+#include "util/hist.h"
+
+#include <linux/bitmap.h>
+
+struct perf_report {
+ struct perf_tool tool;
+ struct perf_session *session;
+ char const *input_name;
+ bool force, use_tui, use_gtk, use_stdio;
+ bool hide_unresolved;
+ bool dont_use_callchains;
+ bool show_full_info;
+ bool show_threads;
+ bool inverted_callchain;
+ struct perf_read_values show_threads_values;
+ const char *pretty_printing_style;
+ symbol_filter_t annotate_init;
+ const char *cpu_list;
+ const char *symbol_filter_str;
+ DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
+};
+
+static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
+ struct addr_location *al,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine)
+{
+ struct perf_report *rep = container_of(tool, struct perf_report, tool);
+ struct symbol *parent = NULL;
+ int err = 0;
+ unsigned i;
+ struct hist_entry *he;
+ struct branch_info *bi, *bx;
+
+ if ((sort__has_parent || symbol_conf.use_callchain)
+ && sample->callchain) {
+ err = machine__resolve_callchain(machine, evsel, al->thread,
+ sample->callchain, &parent);
+ if (err)
+ return err;
+ }
+
+ bi = machine__resolve_bstack(machine, al->thread,
+ sample->branch_stack);
+ if (!bi)
+ return -ENOMEM;
+
+ for (i = 0; i < sample->branch_stack->nr; i++) {
+ if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
+ continue;
+ /*
+ * The report shows the percentage of total branches captured
+ * and not events sampled. Thus we use a pseudo period of 1.
+ */
+ he = __hists__add_branch_entry(&evsel->hists, al, parent,
+ &bi[i], 1);
+ if (he) {
+ struct annotation *notes;
+ err = -ENOMEM;
+ bx = he->branch_info;
+ if (bx->from.sym && use_browser > 0) {
+ notes = symbol__annotation(bx->from.sym);
+ if (!notes->src
+ && symbol__alloc_hist(bx->from.sym) < 0)
+ goto out;
+
+ err = symbol__inc_addr_samples(bx->from.sym,
+ bx->from.map,
+ evsel->idx,
+ bx->from.al_addr);
+ if (err)
+ goto out;
+ }
+
+ if (bx->to.sym && use_browser > 0) {
+ notes = symbol__annotation(bx->to.sym);
+ if (!notes->src
+ && symbol__alloc_hist(bx->to.sym) < 0)
+ goto out;
+
+ err = symbol__inc_addr_samples(bx->to.sym,
+ bx->to.map,
+ evsel->idx,
+ bx->to.al_addr);
+ if (err)
+ goto out;
+ }
+ evsel->hists.stats.total_period += 1;
+ hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
+ err = 0;
+ } else
+ return -ENOMEM;
+ }
+out:
+ return err;
+}
+
+static int perf_evsel__add_hist_entry(struct perf_evsel *evsel,
+ struct addr_location *al,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct symbol *parent = NULL;
+ int err = 0;
+ struct hist_entry *he;
+
+ if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
+ err = machine__resolve_callchain(machine, evsel, al->thread,
+ sample->callchain, &parent);
+ if (err)
+ return err;
+ }
+
+ he = __hists__add_entry(&evsel->hists, al, parent, sample->period);
+ if (he == NULL)
+ return -ENOMEM;
+
+ if (symbol_conf.use_callchain) {
+ err = callchain_append(he->callchain,
+ &evsel->hists.callchain_cursor,
+ sample->period);
+ if (err)
+ return err;
+ }
+ /*
+ * Only in the newt browser we are doing integrated annotation,
+ * so we don't allocated the extra space needed because the stdio
+ * code will not use it.
+ */
+ if (al->sym != NULL && use_browser > 0) {
+ struct annotation *notes = symbol__annotation(he->ms.sym);
+
+ assert(evsel != NULL);
+
+ err = -ENOMEM;
+ if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
+ goto out;
+
+ err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
+ }
+
+ evsel->hists.stats.total_period += sample->period;
+ hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
+out:
+ return err;
+}
+
+
+static int process_sample_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine)
+{
+ struct perf_report *rep = container_of(tool, struct perf_report, tool);
+ struct addr_location al;
+
+ if (perf_event__preprocess_sample(event, machine, &al, sample,
+ rep->annotate_init) < 0) {
+ fprintf(stderr, "problem processing %d event, skipping it.\n",
+ event->header.type);
+ return -1;
+ }
+
+ if (al.filtered || (rep->hide_unresolved && al.sym == NULL))
+ return 0;
+
+ if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
+ return 0;
+
+ if (sort__branch_mode == 1) {
+ if (perf_report__add_branch_hist_entry(tool, &al, sample,
+ evsel, machine)) {
+ pr_debug("problem adding lbr entry, skipping event\n");
+ return -1;
+ }
+ } else {
+ if (al.map != NULL)
+ al.map->dso->hit = 1;
+
+ if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) {
+ pr_debug("problem incrementing symbol period, skipping event\n");
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int process_read_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __used,
+ struct perf_evsel *evsel,
+ struct machine *machine __used)
+{
+ struct perf_report *rep = container_of(tool, struct perf_report, tool);
+
+ if (rep->show_threads) {
+ const char *name = evsel ? event_name(evsel) : "unknown";
+ perf_read_values_add_value(&rep->show_threads_values,
+ event->read.pid, event->read.tid,
+ event->read.id,
+ name,
+ event->read.value);
+ }
+
+ dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
+ evsel ? event_name(evsel) : "FAIL",
+ event->read.value);
+
+ return 0;
+}
+
+static int perf_report__setup_sample_type(struct perf_report *rep)
+{
+ struct perf_session *self = rep->session;
+
+ if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) {
+ if (sort__has_parent) {
+ ui__warning("Selected --sort parent, but no "
+ "callchain data. Did you call "
+ "'perf record' without -g?\n");
+ return -EINVAL;
+ }
+ if (symbol_conf.use_callchain) {
+ ui__warning("Selected -g but no callchain data. Did "
+ "you call 'perf record' without -g?\n");
+ return -1;
+ }
+ } else if (!rep->dont_use_callchains &&
+ callchain_param.mode != CHAIN_NONE &&
+ !symbol_conf.use_callchain) {
+ symbol_conf.use_callchain = true;
+ if (callchain_register_param(&callchain_param) < 0) {
+ ui__warning("Can't register callchain "
+ "params.\n");
+ return -EINVAL;
+ }
+ }
+
+ if (sort__branch_mode == 1) {
+ if (!(self->sample_type & PERF_SAMPLE_BRANCH_STACK)) {
+ fprintf(stderr, "selected -b but no branch data."
+ " Did you call perf record without"
+ " -b?\n");
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+extern volatile int session_done;
+
+static void sig_handler(int sig __used)
+{
+ session_done = 1;
+}
+
+static size_t hists__fprintf_nr_sample_events(struct hists *self,
+ const char *evname, FILE *fp)
+{
+ size_t ret;
+ char unit;
+ unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
+
+ nr_events = convert_unit(nr_events, &unit);
+ ret = fprintf(fp, "# Events: %lu%c", nr_events, unit);
+ if (evname != NULL)
+ ret += fprintf(fp, " %s", evname);
+ return ret + fprintf(fp, "\n#\n");
+}
+
+static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
+ struct perf_report *rep,
+ const char *help)
+{
+ struct perf_evsel *pos;
+
+ list_for_each_entry(pos, &evlist->entries, node) {
+ struct hists *hists = &pos->hists;
+ const char *evname = event_name(pos);
+
+ hists__fprintf_nr_sample_events(hists, evname, stdout);
+ hists__fprintf(hists, NULL, false, true, 0, 0, stdout);
+ fprintf(stdout, "\n\n");
+ }
+
+ if (sort_order == default_sort_order &&
+ parent_pattern == default_parent_pattern) {
+ fprintf(stdout, "#\n# (%s)\n#\n", help);
+
+ if (rep->show_threads) {
+ bool style = !strcmp(rep->pretty_printing_style, "raw");
+ perf_read_values_display(stdout, &rep->show_threads_values,
+ style);
+ perf_read_values_destroy(&rep->show_threads_values);
+ }
+ }
+
+ return 0;
+}
+
+static int __cmd_report(struct perf_report *rep)
+{
+ int ret = -EINVAL;
+ u64 nr_samples;
+ struct perf_session *session = rep->session;
+ struct perf_evsel *pos;
+ struct map *kernel_map;
+ struct kmap *kernel_kmap;
+ const char *help = "For a higher level overview, try: perf report --sort comm,dso";
+
+ signal(SIGINT, sig_handler);
+
+ if (rep->cpu_list) {
+ ret = perf_session__cpu_bitmap(session, rep->cpu_list,
+ rep->cpu_bitmap);
+ if (ret)
+ goto out_delete;
+ }
+
+ if (use_browser <= 0)
+ perf_session__fprintf_info(session, stdout, rep->show_full_info);
+
+ if (rep->show_threads)
+ perf_read_values_init(&rep->show_threads_values);
+
+ ret = perf_report__setup_sample_type(rep);
+ if (ret)
+ goto out_delete;
+
+ ret = perf_session__process_events(session, &rep->tool);
+ if (ret)
+ goto out_delete;
+
+ kernel_map = session->host_machine.vmlinux_maps[MAP__FUNCTION];
+ kernel_kmap = map__kmap(kernel_map);
+ if (kernel_map == NULL ||
+ (kernel_map->dso->hit &&
+ (kernel_kmap->ref_reloc_sym == NULL ||
+ kernel_kmap->ref_reloc_sym->addr == 0))) {
+ const char *desc =
+ "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
+ "can't be resolved.";
+
+ if (kernel_map) {
+ const struct dso *kdso = kernel_map->dso;
+ if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
+ desc = "If some relocation was applied (e.g. "
+ "kexec) symbols may be misresolved.";
+ }
+ }
+
+ ui__warning(
+"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
+"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
+"Samples in kernel modules can't be resolved as well.\n\n",
+ desc);
+ }
+
+ if (dump_trace) {
+ perf_session__fprintf_nr_events(session, stdout);
+ goto out_delete;
+ }
+
+ if (verbose > 3)
+ perf_session__fprintf(session, stdout);
+
+ if (verbose > 2)
+ perf_session__fprintf_dsos(session, stdout);
+
+ nr_samples = 0;
+ list_for_each_entry(pos, &session->evlist->entries, node) {
+ struct hists *hists = &pos->hists;
+
+ if (pos->idx == 0)
+ hists->symbol_filter_str = rep->symbol_filter_str;
+
+ hists__collapse_resort(hists);
+ hists__output_resort(hists);
+ nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
+ }
+
+ if (nr_samples == 0) {
+ ui__warning("The %s file has no samples!\n", session->filename);
+ goto out_delete;
+ }
+
+ if (use_browser > 0) {
+ if (use_browser == 1) {
+ perf_evlist__tui_browse_hists(session->evlist, help,
+ NULL, NULL, 0);
+ } else if (use_browser == 2) {
+ perf_evlist__gtk_browse_hists(session->evlist, help,
+ NULL, NULL, 0);
+ }
+ } else
+ perf_evlist__tty_browse_hists(session->evlist, rep, help);
+
+out_delete:
+ /*
+ * Speed up the exit process, for large files this can
+ * take quite a while.
+ *
+ * XXX Enable this when using valgrind or if we ever
+ * librarize this command.
+ *
+ * Also experiment with obstacks to see how much speed
+ * up we'll get here.
+ *
+ * perf_session__delete(session);
+ */
+ return ret;
+}
+
+static int
+parse_callchain_opt(const struct option *opt, const char *arg, int unset)
+{
+ struct perf_report *rep = (struct perf_report *)opt->value;
+ char *tok, *tok2;
+ char *endptr;
+
+ /*
+ * --no-call-graph
+ */
+ if (unset) {
+ rep->dont_use_callchains = true;
+ return 0;
+ }
+
+ symbol_conf.use_callchain = true;
+
+ if (!arg)
+ return 0;
+
+ tok = strtok((char *)arg, ",");
+ if (!tok)
+ return -1;
+
+ /* get the output mode */
+ if (!strncmp(tok, "graph", strlen(arg)))
+ callchain_param.mode = CHAIN_GRAPH_ABS;
+
+ else if (!strncmp(tok, "flat", strlen(arg)))
+ callchain_param.mode = CHAIN_FLAT;
+
+ else if (!strncmp(tok, "fractal", strlen(arg)))
+ callchain_param.mode = CHAIN_GRAPH_REL;
+
+ else if (!strncmp(tok, "none", strlen(arg))) {
+ callchain_param.mode = CHAIN_NONE;
+ symbol_conf.use_callchain = false;
+
+ return 0;
+ }
+
+ else
+ return -1;
+
+ /* get the min percentage */
+ tok = strtok(NULL, ",");
+ if (!tok)
+ goto setup;
+
+ callchain_param.min_percent = strtod(tok, &endptr);
+ if (tok == endptr)
+ return -1;
+
+ /* get the print limit */
+ tok2 = strtok(NULL, ",");
+ if (!tok2)
+ goto setup;
+
+ if (tok2[0] != 'c') {
+ callchain_param.print_limit = strtoul(tok2, &endptr, 0);
+ tok2 = strtok(NULL, ",");
+ if (!tok2)
+ goto setup;
+ }
+
+ /* get the call chain order */
+ if (!strcmp(tok2, "caller"))
+ callchain_param.order = ORDER_CALLER;
+ else if (!strcmp(tok2, "callee"))
+ callchain_param.order = ORDER_CALLEE;
+ else
+ return -1;
+setup:
+ if (callchain_register_param(&callchain_param) < 0) {
+ fprintf(stderr, "Can't register callchain params\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int
+parse_branch_mode(const struct option *opt __used, const char *str __used, int unset)
+{
+ sort__branch_mode = !unset;
+ return 0;
+}
+
+int cmd_report(int argc, const char **argv, const char *prefix __used)
+{
+ struct perf_session *session;
+ struct stat st;
+ bool has_br_stack = false;
+ int ret = -1;
+ char callchain_default_opt[] = "fractal,0.5,callee";
+ const char * const report_usage[] = {
+ "perf report [<options>]",
+ NULL
+ };
+ struct perf_report report = {
+ .tool = {
+ .sample = process_sample_event,
+ .mmap = perf_event__process_mmap,
+ .comm = perf_event__process_comm,
+ .exit = perf_event__process_task,
+ .fork = perf_event__process_task,
+ .lost = perf_event__process_lost,
+ .read = process_read_event,
+ .attr = perf_event__process_attr,
+ .event_type = perf_event__process_event_type,
+ .tracing_data = perf_event__process_tracing_data,
+ .build_id = perf_event__process_build_id,
+ .ordered_samples = true,
+ .ordering_requires_timestamps = true,
+ },
+ .pretty_printing_style = "normal",
+ };
+ const struct option options[] = {
+ OPT_STRING('i', "input", &report.input_name, "file",
+ "input file name"),
+ OPT_INCR('v', "verbose", &verbose,
+ "be more verbose (show symbol address, etc)"),
+ OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
+ "dump raw trace in ASCII"),
+ OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
+ OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
+ "file", "kallsyms pathname"),
+ OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
+ OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
+ "load module symbols - WARNING: use only with -k and LIVE kernel"),
+ OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
+ "Show a column with the number of samples"),
+ OPT_BOOLEAN('T', "threads", &report.show_threads,
+ "Show per-thread event counters"),
+ OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
+ "pretty printing style key: normal raw"),
+ OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
+ OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
+ OPT_BOOLEAN(0, "stdio", &report.use_stdio,
+ "Use the stdio interface"),
+ OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
+ "sort by key(s): pid, comm, dso, symbol, parent, dso_to,"
+ " dso_from, symbol_to, symbol_from, mispredict"),
+ OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
+ "Show sample percentage for different cpu modes"),
+ OPT_STRING('p', "parent", &parent_pattern, "regex",
+ "regex filter to identify parent, see: '--sort parent'"),
+ OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
+ "Only display entries with parent-match"),
+ OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
+ "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. "
+ "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt),
+ OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
+ "alias for inverted call graph"),
+ OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
+ "only consider symbols in these dsos"),
+ OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
+ "only consider symbols in these comms"),
+ OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
+ "only consider these symbols"),
+ OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
+ "only show symbols that (partially) match with this filter"),
+ OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
+ "width[,width...]",
+ "don't try to adjust column width, use these fixed values"),
+ OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
+ "separator for columns, no spaces will be added between "
+ "columns '.' is reserved."),
+ OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
+ "Only display entries resolved to a symbol"),
+ OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
+ "Look for files with symbols relative to this directory"),
+ OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
+ "list of cpus to profile"),
+ OPT_BOOLEAN('I', "show-info", &report.show_full_info,
+ "Display extended information about perf.data file"),
+ OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
+ "Interleave source code with assembly code (default)"),
+ OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
+ "Display raw encoding of assembly instructions (default)"),
+ OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
+ "Specify disassembler style (e.g. -M intel for intel syntax)"),
+ OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
+ "Show a column with the sum of periods"),
+ OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
+ "use branch records for histogram filling", parse_branch_mode),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, options, report_usage, 0);
+
+ if (report.use_stdio)
+ use_browser = 0;
+ else if (report.use_tui)
+ use_browser = 1;
+ else if (report.use_gtk)
+ use_browser = 2;
+
+ if (report.inverted_callchain)
+ callchain_param.order = ORDER_CALLER;
+
+ if (!report.input_name || !strlen(report.input_name)) {
+ if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
+ report.input_name = "-";
+ else
+ report.input_name = "perf.data";
+ }
+ session = perf_session__new(report.input_name, O_RDONLY,
+ report.force, false, &report.tool);
+ if (session == NULL)
+ return -ENOMEM;
+
+ report.session = session;
+
+ has_br_stack = perf_header__has_feat(&session->header,
+ HEADER_BRANCH_STACK);
+
+ if (sort__branch_mode == -1 && has_br_stack)
+ sort__branch_mode = 1;
+
+ /* sort__branch_mode could be 0 if --no-branch-stack */
+ if (sort__branch_mode == 1) {
+ /*
+ * if no sort_order is provided, then specify
+ * branch-mode specific order
+ */
+ if (sort_order == default_sort_order)
+ sort_order = "comm,dso_from,symbol_from,"
+ "dso_to,symbol_to";
+
+ }
+
+ if (strcmp(report.input_name, "-") != 0) {
+ if (report.use_gtk)
+ perf_gtk_setup_browser(argc, argv, true);
+ else
+ setup_browser(true);
+ } else {
+ use_browser = 0;
+ }
+
+ /*
+ * Only in the newt browser we are doing integrated annotation,
+ * so don't allocate extra space that won't be used in the stdio
+ * implementation.
+ */
+ if (use_browser > 0) {
+ symbol_conf.priv_size = sizeof(struct annotation);
+ report.annotate_init = symbol__annotate_init;
+ /*
+ * For searching by name on the "Browse map details".
+ * providing it only in verbose mode not to bloat too
+ * much struct symbol.
+ */
+ if (verbose) {
+ /*
+ * XXX: Need to provide a less kludgy way to ask for
+ * more space per symbol, the u32 is for the index on
+ * the ui browser.
+ * See symbol__browser_index.
+ */
+ symbol_conf.priv_size += sizeof(u32);
+ symbol_conf.sort_by_name = true;
+ }
+ }
+
+ if (symbol__init() < 0)
+ goto error;
+
+ setup_sorting(report_usage, options);
+
+ if (parent_pattern != default_parent_pattern) {
+ if (sort_dimension__add("parent") < 0)
+ goto error;
+
+ /*
+ * Only show the parent fields if we explicitly
+ * sort that way. If we only use parent machinery
+ * for filtering, we don't want it.
+ */
+ if (!strstr(sort_order, "parent"))
+ sort_parent.elide = 1;
+ } else
+ symbol_conf.exclude_other = false;
+
+ if (argc) {
+ /*
+ * Special case: if there's an argument left then assume that
+ * it's a symbol filter:
+ */
+ if (argc > 1)
+ usage_with_options(report_usage, options);
+
+ report.symbol_filter_str = argv[0];
+ }
+
+ sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
+
+ if (sort__branch_mode == 1) {
+ sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout);
+ sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout);
+ sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout);
+ sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout);
+ } else {
+ sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
+ sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
+ }
+
+ ret = __cmd_report(&report);
+error:
+ perf_session__delete(session);
+ return ret;
+}