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-rw-r--r--kernel/tools/perf/builtin-report.c877
1 files changed, 877 insertions, 0 deletions
diff --git a/kernel/tools/perf/builtin-report.c b/kernel/tools/perf/builtin-report.c
new file mode 100644
index 000000000..b63aeda71
--- /dev/null
+++ b/kernel/tools/perf/builtin-report.c
@@ -0,0 +1,877 @@
+/*
+ * 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/cache.h"
+
+#include "util/annotate.h"
+#include "util/color.h"
+#include <linux/list.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 "util/data.h"
+#include "arch/common.h"
+
+#include <dlfcn.h>
+#include <linux/bitmap.h>
+
+struct report {
+ struct perf_tool tool;
+ struct perf_session *session;
+ 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;
+ bool mem_mode;
+ bool header;
+ bool header_only;
+ int max_stack;
+ struct perf_read_values show_threads_values;
+ const char *pretty_printing_style;
+ const char *cpu_list;
+ const char *symbol_filter_str;
+ float min_percent;
+ u64 nr_entries;
+ u64 queue_size;
+ DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
+};
+
+static int report__config(const char *var, const char *value, void *cb)
+{
+ struct report *rep = cb;
+
+ if (!strcmp(var, "report.group")) {
+ symbol_conf.event_group = perf_config_bool(var, value);
+ return 0;
+ }
+ if (!strcmp(var, "report.percent-limit")) {
+ rep->min_percent = strtof(value, NULL);
+ return 0;
+ }
+ if (!strcmp(var, "report.children")) {
+ symbol_conf.cumulate_callchain = perf_config_bool(var, value);
+ return 0;
+ }
+ if (!strcmp(var, "report.queue-size")) {
+ rep->queue_size = perf_config_u64(var, value);
+ return 0;
+ }
+
+ return perf_default_config(var, value, cb);
+}
+
+static int hist_iter__report_callback(struct hist_entry_iter *iter,
+ struct addr_location *al, bool single,
+ void *arg)
+{
+ int err = 0;
+ struct report *rep = arg;
+ struct hist_entry *he = iter->he;
+ struct perf_evsel *evsel = iter->evsel;
+ struct mem_info *mi;
+ struct branch_info *bi;
+
+ if (!ui__has_annotation())
+ return 0;
+
+ if (sort__mode == SORT_MODE__BRANCH) {
+ bi = he->branch_info;
+ err = addr_map_symbol__inc_samples(&bi->from, evsel->idx);
+ if (err)
+ goto out;
+
+ err = addr_map_symbol__inc_samples(&bi->to, evsel->idx);
+
+ } else if (rep->mem_mode) {
+ mi = he->mem_info;
+ err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx);
+ if (err)
+ goto out;
+
+ err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
+
+ } else if (symbol_conf.cumulate_callchain) {
+ if (single)
+ err = hist_entry__inc_addr_samples(he, evsel->idx,
+ al->addr);
+ } else {
+ err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
+ }
+
+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 report *rep = container_of(tool, struct report, tool);
+ struct addr_location al;
+ struct hist_entry_iter iter = {
+ .hide_unresolved = rep->hide_unresolved,
+ .add_entry_cb = hist_iter__report_callback,
+ };
+ int ret;
+
+ if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
+ pr_debug("problem processing %d event, skipping it.\n",
+ event->header.type);
+ return -1;
+ }
+
+ if (rep->hide_unresolved && al.sym == NULL)
+ return 0;
+
+ if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
+ return 0;
+
+ if (sort__mode == SORT_MODE__BRANCH)
+ iter.ops = &hist_iter_branch;
+ else if (rep->mem_mode)
+ iter.ops = &hist_iter_mem;
+ else if (symbol_conf.cumulate_callchain)
+ iter.ops = &hist_iter_cumulative;
+ else
+ iter.ops = &hist_iter_normal;
+
+ if (al.map != NULL)
+ al.map->dso->hit = 1;
+
+ ret = hist_entry_iter__add(&iter, &al, evsel, sample, rep->max_stack,
+ rep);
+ if (ret < 0)
+ pr_debug("problem adding hist entry, skipping event\n");
+
+ return ret;
+}
+
+static int process_read_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct perf_evsel *evsel,
+ struct machine *machine __maybe_unused)
+{
+ struct report *rep = container_of(tool, struct report, tool);
+
+ if (rep->show_threads) {
+ const char *name = evsel ? perf_evsel__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 ? perf_evsel__name(evsel) : "FAIL",
+ event->read.value);
+
+ return 0;
+}
+
+/* For pipe mode, sample_type is not currently set */
+static int report__setup_sample_type(struct report *rep)
+{
+ struct perf_session *session = rep->session;
+ u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
+ bool is_pipe = perf_data_file__is_pipe(session->file);
+
+ if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
+ if (sort__has_parent) {
+ ui__error("Selected --sort parent, but no "
+ "callchain data. Did you call "
+ "'perf record' without -g?\n");
+ return -EINVAL;
+ }
+ if (symbol_conf.use_callchain) {
+ ui__error("Selected -g or --branch-history but no "
+ "callchain data. Did\n"
+ "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__error("Can't register callchain params.\n");
+ return -EINVAL;
+ }
+ }
+
+ if (symbol_conf.cumulate_callchain) {
+ /* Silently ignore if callchain is missing */
+ if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
+ symbol_conf.cumulate_callchain = false;
+ perf_hpp__cancel_cumulate();
+ }
+ }
+
+ if (sort__mode == SORT_MODE__BRANCH) {
+ if (!is_pipe &&
+ !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
+ ui__error("Selected -b but no branch data. "
+ "Did you call perf record without -b?\n");
+ return -1;
+ }
+ }
+
+ if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
+ if ((sample_type & PERF_SAMPLE_REGS_USER) &&
+ (sample_type & PERF_SAMPLE_STACK_USER))
+ callchain_param.record_mode = CALLCHAIN_DWARF;
+ else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
+ callchain_param.record_mode = CALLCHAIN_LBR;
+ else
+ callchain_param.record_mode = CALLCHAIN_FP;
+ }
+ return 0;
+}
+
+static void sig_handler(int sig __maybe_unused)
+{
+ session_done = 1;
+}
+
+static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
+ const char *evname, FILE *fp)
+{
+ size_t ret;
+ char unit;
+ unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
+ u64 nr_events = hists->stats.total_period;
+ struct perf_evsel *evsel = hists_to_evsel(hists);
+ char buf[512];
+ size_t size = sizeof(buf);
+
+ if (symbol_conf.filter_relative) {
+ nr_samples = hists->stats.nr_non_filtered_samples;
+ nr_events = hists->stats.total_non_filtered_period;
+ }
+
+ if (perf_evsel__is_group_event(evsel)) {
+ struct perf_evsel *pos;
+
+ perf_evsel__group_desc(evsel, buf, size);
+ evname = buf;
+
+ for_each_group_member(pos, evsel) {
+ const struct hists *pos_hists = evsel__hists(pos);
+
+ if (symbol_conf.filter_relative) {
+ nr_samples += pos_hists->stats.nr_non_filtered_samples;
+ nr_events += pos_hists->stats.total_non_filtered_period;
+ } else {
+ nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
+ nr_events += pos_hists->stats.total_period;
+ }
+ }
+ }
+
+ nr_samples = convert_unit(nr_samples, &unit);
+ ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
+ if (evname != NULL)
+ ret += fprintf(fp, " of event '%s'", evname);
+
+ if (rep->mem_mode) {
+ ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
+ ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
+ } else
+ ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
+ return ret + fprintf(fp, "\n#\n");
+}
+
+static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
+ struct report *rep,
+ const char *help)
+{
+ struct perf_evsel *pos;
+
+ evlist__for_each(evlist, pos) {
+ struct hists *hists = evsel__hists(pos);
+ const char *evname = perf_evsel__name(pos);
+
+ if (symbol_conf.event_group &&
+ !perf_evsel__is_group_leader(pos))
+ continue;
+
+ hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
+ hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
+ fprintf(stdout, "\n\n");
+ }
+
+ if (sort_order == NULL &&
+ 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 void report__warn_kptr_restrict(const struct report *rep)
+{
+ struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION];
+ struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
+
+ 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);
+ }
+}
+
+static int report__gtk_browse_hists(struct report *rep, const char *help)
+{
+ int (*hist_browser)(struct perf_evlist *evlist, const char *help,
+ struct hist_browser_timer *timer, float min_pcnt);
+
+ hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
+
+ if (hist_browser == NULL) {
+ ui__error("GTK browser not found!\n");
+ return -1;
+ }
+
+ return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
+}
+
+static int report__browse_hists(struct report *rep)
+{
+ int ret;
+ struct perf_session *session = rep->session;
+ struct perf_evlist *evlist = session->evlist;
+ const char *help = "For a higher level overview, try: perf report --sort comm,dso";
+
+ switch (use_browser) {
+ case 1:
+ ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
+ rep->min_percent,
+ &session->header.env);
+ /*
+ * Usually "ret" is the last pressed key, and we only
+ * care if the key notifies us to switch data file.
+ */
+ if (ret != K_SWITCH_INPUT_DATA)
+ ret = 0;
+ break;
+ case 2:
+ ret = report__gtk_browse_hists(rep, help);
+ break;
+ default:
+ ret = perf_evlist__tty_browse_hists(evlist, rep, help);
+ break;
+ }
+
+ return ret;
+}
+
+static void report__collapse_hists(struct report *rep)
+{
+ struct ui_progress prog;
+ struct perf_evsel *pos;
+
+ ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
+
+ evlist__for_each(rep->session->evlist, pos) {
+ struct hists *hists = evsel__hists(pos);
+
+ if (pos->idx == 0)
+ hists->symbol_filter_str = rep->symbol_filter_str;
+
+ hists__collapse_resort(hists, &prog);
+
+ /* Non-group events are considered as leader */
+ if (symbol_conf.event_group &&
+ !perf_evsel__is_group_leader(pos)) {
+ struct hists *leader_hists = evsel__hists(pos->leader);
+
+ hists__match(leader_hists, hists);
+ hists__link(leader_hists, hists);
+ }
+ }
+
+ ui_progress__finish();
+}
+
+static void report__output_resort(struct report *rep)
+{
+ struct ui_progress prog;
+ struct perf_evsel *pos;
+
+ ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
+
+ evlist__for_each(rep->session->evlist, pos)
+ hists__output_resort(evsel__hists(pos), &prog);
+
+ ui_progress__finish();
+}
+
+static int __cmd_report(struct report *rep)
+{
+ int ret;
+ struct perf_session *session = rep->session;
+ struct perf_evsel *pos;
+ struct perf_data_file *file = session->file;
+
+ signal(SIGINT, sig_handler);
+
+ if (rep->cpu_list) {
+ ret = perf_session__cpu_bitmap(session, rep->cpu_list,
+ rep->cpu_bitmap);
+ if (ret)
+ return ret;
+ }
+
+ if (rep->show_threads)
+ perf_read_values_init(&rep->show_threads_values);
+
+ ret = report__setup_sample_type(rep);
+ if (ret)
+ return ret;
+
+ ret = perf_session__process_events(session);
+ if (ret)
+ return ret;
+
+ report__warn_kptr_restrict(rep);
+
+ evlist__for_each(session->evlist, pos)
+ rep->nr_entries += evsel__hists(pos)->nr_entries;
+
+ if (use_browser == 0) {
+ if (verbose > 3)
+ perf_session__fprintf(session, stdout);
+
+ if (verbose > 2)
+ perf_session__fprintf_dsos(session, stdout);
+
+ if (dump_trace) {
+ perf_session__fprintf_nr_events(session, stdout);
+ perf_evlist__fprintf_nr_events(session->evlist, stdout);
+ return 0;
+ }
+ }
+
+ report__collapse_hists(rep);
+
+ if (session_done())
+ return 0;
+
+ /*
+ * recalculate number of entries after collapsing since it
+ * might be changed during the collapse phase.
+ */
+ rep->nr_entries = 0;
+ evlist__for_each(session->evlist, pos)
+ rep->nr_entries += evsel__hists(pos)->nr_entries;
+
+ if (rep->nr_entries == 0) {
+ ui__error("The %s file has no samples!\n", file->path);
+ return 0;
+ }
+
+ report__output_resort(rep);
+
+ return report__browse_hists(rep);
+}
+
+static int
+report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
+{
+ struct report *rep = (struct report *)opt->value;
+
+ /*
+ * --no-call-graph
+ */
+ if (unset) {
+ rep->dont_use_callchains = true;
+ return 0;
+ }
+
+ return parse_callchain_report_opt(arg);
+}
+
+int
+report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
+ const char *arg, int unset __maybe_unused)
+{
+ if (arg) {
+ int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
+ if (err) {
+ char buf[BUFSIZ];
+ regerror(err, &ignore_callees_regex, buf, sizeof(buf));
+ pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
+ return -1;
+ }
+ have_ignore_callees = 1;
+ }
+
+ return 0;
+}
+
+static int
+parse_branch_mode(const struct option *opt __maybe_unused,
+ const char *str __maybe_unused, int unset)
+{
+ int *branch_mode = opt->value;
+
+ *branch_mode = !unset;
+ return 0;
+}
+
+static int
+parse_percent_limit(const struct option *opt, const char *str,
+ int unset __maybe_unused)
+{
+ struct report *rep = opt->value;
+
+ rep->min_percent = strtof(str, NULL);
+ return 0;
+}
+
+int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
+{
+ struct perf_session *session;
+ struct stat st;
+ bool has_br_stack = false;
+ int branch_mode = -1;
+ bool branch_call_mode = false;
+ char callchain_default_opt[] = "fractal,0.5,callee";
+ const char * const report_usage[] = {
+ "perf report [<options>]",
+ NULL
+ };
+ struct report report = {
+ .tool = {
+ .sample = process_sample_event,
+ .mmap = perf_event__process_mmap,
+ .mmap2 = perf_event__process_mmap2,
+ .comm = perf_event__process_comm,
+ .exit = perf_event__process_exit,
+ .fork = perf_event__process_fork,
+ .lost = perf_event__process_lost,
+ .read = process_read_event,
+ .attr = perf_event__process_attr,
+ .tracing_data = perf_event__process_tracing_data,
+ .build_id = perf_event__process_build_id,
+ .ordered_events = true,
+ .ordering_requires_timestamps = true,
+ },
+ .max_stack = PERF_MAX_STACK_DEPTH,
+ .pretty_printing_style = "normal",
+ };
+ const struct option options[] = {
+ OPT_STRING('i', "input", &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_BOOLEAN(0, "header", &report.header, "Show data header."),
+ OPT_BOOLEAN(0, "header-only", &report.header_only,
+ "Show only data header."),
+ OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
+ "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
+ " Please refer the man page for the complete list."),
+ OPT_STRING('F', "fields", &field_order, "key[,keys...]",
+ "output field(s): overhead, period, sample plus all of sort keys"),
+ 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[,branch]",
+ "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. "
+ "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt),
+ OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
+ "Accumulate callchains of children and show total overhead as well"),
+ OPT_INTEGER(0, "max-stack", &report.max_stack,
+ "Set the maximum stack depth when parsing the callchain, "
+ "anything beyond the specified depth will be ignored. "
+ "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
+ OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
+ "alias for inverted call graph"),
+ OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
+ "ignore callees of these functions in call graphs",
+ report_parse_ignore_callees_opt),
+ 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(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
+ "only consider symbols in these pids"),
+ OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
+ "only consider symbols in these tids"),
+ 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_NOEMPTY('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_BOOLEAN(0, "group", &symbol_conf.event_group,
+ "Show event group information together"),
+ OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
+ "use branch records for per branch histogram filling",
+ parse_branch_mode),
+ OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
+ "add last branch records to call history"),
+ OPT_STRING(0, "objdump", &objdump_path, "path",
+ "objdump binary to use for disassembly and annotations"),
+ OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
+ "Disable symbol demangling"),
+ OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
+ "Enable kernel symbol demangling"),
+ OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
+ OPT_CALLBACK(0, "percent-limit", &report, "percent",
+ "Don't show entries under that percent", parse_percent_limit),
+ OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
+ "how to display percentage of filtered entries", parse_filter_percentage),
+ OPT_END()
+ };
+ struct perf_data_file file = {
+ .mode = PERF_DATA_MODE_READ,
+ };
+ int ret = hists__init();
+
+ if (ret < 0)
+ return ret;
+
+ perf_config(report__config, &report);
+
+ 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 (!input_name || !strlen(input_name)) {
+ if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
+ input_name = "-";
+ else
+ input_name = "perf.data";
+ }
+
+ file.path = input_name;
+ file.force = report.force;
+
+repeat:
+ session = perf_session__new(&file, false, &report.tool);
+ if (session == NULL)
+ return -1;
+
+ if (report.queue_size) {
+ ordered_events__set_alloc_size(&session->ordered_events,
+ report.queue_size);
+ }
+
+ report.session = session;
+
+ has_br_stack = perf_header__has_feat(&session->header,
+ HEADER_BRANCH_STACK);
+
+ /*
+ * Branch mode is a tristate:
+ * -1 means default, so decide based on the file having branch data.
+ * 0/1 means the user chose a mode.
+ */
+ if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
+ !branch_call_mode) {
+ sort__mode = SORT_MODE__BRANCH;
+ symbol_conf.cumulate_callchain = false;
+ }
+ if (branch_call_mode) {
+ callchain_param.key = CCKEY_ADDRESS;
+ callchain_param.branch_callstack = 1;
+ symbol_conf.use_callchain = true;
+ callchain_register_param(&callchain_param);
+ if (sort_order == NULL)
+ sort_order = "srcline,symbol,dso";
+ }
+
+ if (report.mem_mode) {
+ if (sort__mode == SORT_MODE__BRANCH) {
+ pr_err("branch and mem mode incompatible\n");
+ goto error;
+ }
+ sort__mode = SORT_MODE__MEMORY;
+ symbol_conf.cumulate_callchain = false;
+ }
+
+ if (setup_sorting() < 0) {
+ if (sort_order)
+ parse_options_usage(report_usage, options, "s", 1);
+ if (field_order)
+ parse_options_usage(sort_order ? NULL : report_usage,
+ options, "F", 1);
+ goto error;
+ }
+
+ /* Force tty output for header output. */
+ if (report.header || report.header_only)
+ use_browser = 0;
+
+ if (strcmp(input_name, "-") != 0)
+ setup_browser(true);
+ else
+ use_browser = 0;
+
+ if (report.header || report.header_only) {
+ perf_session__fprintf_info(session, stdout,
+ report.show_full_info);
+ if (report.header_only)
+ return 0;
+ } else if (use_browser == 0) {
+ fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
+ stdout);
+ }
+
+ /*
+ * Only in the TUI browser we are doing integrated annotation,
+ * so don't allocate extra space that won't be used in the stdio
+ * implementation.
+ */
+ if (ui__has_annotation()) {
+ symbol_conf.priv_size = sizeof(struct annotation);
+ machines__set_symbol_filter(&session->machines,
+ 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(&session->header.env) < 0)
+ goto error;
+
+ 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__setup_elide(stdout);
+
+ ret = __cmd_report(&report);
+ if (ret == K_SWITCH_INPUT_DATA) {
+ perf_session__delete(session);
+ goto repeat;
+ } else
+ ret = 0;
+
+error:
+ perf_session__delete(session);
+ return ret;
+}