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Diffstat (limited to 'tools/perf/builtin-annotate.c')
-rw-r--r--tools/perf/builtin-annotate.c300
1 files changed, 272 insertions, 28 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index aeeb801f1ed7..6c1cc797692d 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -20,6 +20,7 @@
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/annotate.h"
+#include "util/annotate-data.h"
#include "util/event.h"
#include <subcmd/parse-options.h>
#include "util/parse-events.h"
@@ -45,7 +46,6 @@
struct perf_annotate {
struct perf_tool tool;
struct perf_session *session;
- struct annotation_options opts;
#ifdef HAVE_SLANG_SUPPORT
bool use_tui;
#endif
@@ -56,9 +56,13 @@ struct perf_annotate {
bool skip_missing;
bool has_br_stack;
bool group_set;
+ bool data_type;
+ bool type_stat;
+ bool insn_stat;
float min_percent;
const char *sym_hist_filter;
const char *cpu_list;
+ const char *target_data_type;
DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};
@@ -94,6 +98,7 @@ static void process_basic_block(struct addr_map_symbol *start,
struct annotation *notes = sym ? symbol__annotation(sym) : NULL;
struct block_range_iter iter;
struct block_range *entry;
+ struct annotated_branch *branch;
/*
* Sanity; NULL isn't executable and the CPU cannot execute backwards
@@ -105,6 +110,8 @@ static void process_basic_block(struct addr_map_symbol *start,
if (!block_range_iter__valid(&iter))
return;
+ branch = annotation__get_branch(notes);
+
/*
* First block in range is a branch target.
*/
@@ -118,8 +125,8 @@ static void process_basic_block(struct addr_map_symbol *start,
entry->coverage++;
entry->sym = sym;
- if (notes)
- notes->max_coverage = max(notes->max_coverage, entry->coverage);
+ if (branch)
+ branch->max_coverage = max(branch->max_coverage, entry->coverage);
} while (block_range_iter__next(&iter));
@@ -315,9 +322,153 @@ static int hist_entry__tty_annotate(struct hist_entry *he,
struct perf_annotate *ann)
{
if (!ann->use_stdio2)
- return symbol__tty_annotate(&he->ms, evsel, &ann->opts);
+ return symbol__tty_annotate(&he->ms, evsel);
+
+ return symbol__tty_annotate2(&he->ms, evsel);
+}
+
+static void print_annotated_data_header(struct hist_entry *he, struct evsel *evsel)
+{
+ struct dso *dso = map__dso(he->ms.map);
+ int nr_members = 1;
+ int nr_samples = he->stat.nr_events;
+
+ if (evsel__is_group_event(evsel)) {
+ struct hist_entry *pair;
+
+ list_for_each_entry(pair, &he->pairs.head, pairs.node)
+ nr_samples += pair->stat.nr_events;
+ }
+
+ printf("Annotate type: '%s' in %s (%d samples):\n",
+ he->mem_type->self.type_name, dso->name, nr_samples);
+
+ if (evsel__is_group_event(evsel)) {
+ struct evsel *pos;
+ int i = 0;
+
+ for_each_group_evsel(pos, evsel)
+ printf(" event[%d] = %s\n", i++, pos->name);
+
+ nr_members = evsel->core.nr_members;
+ }
+
+ printf("============================================================================\n");
+ printf("%*s %10s %10s %s\n", 11 * nr_members, "samples", "offset", "size", "field");
+}
+
+static void print_annotated_data_type(struct annotated_data_type *mem_type,
+ struct annotated_member *member,
+ struct evsel *evsel, int indent)
+{
+ struct annotated_member *child;
+ struct type_hist *h = mem_type->histograms[evsel->core.idx];
+ int i, nr_events = 1, samples = 0;
+
+ for (i = 0; i < member->size; i++)
+ samples += h->addr[member->offset + i].nr_samples;
+ printf(" %10d", samples);
- return symbol__tty_annotate2(&he->ms, evsel, &ann->opts);
+ if (evsel__is_group_event(evsel)) {
+ struct evsel *pos;
+
+ for_each_group_member(pos, evsel) {
+ h = mem_type->histograms[pos->core.idx];
+
+ samples = 0;
+ for (i = 0; i < member->size; i++)
+ samples += h->addr[member->offset + i].nr_samples;
+ printf(" %10d", samples);
+ }
+ nr_events = evsel->core.nr_members;
+ }
+
+ printf(" %10d %10d %*s%s\t%s",
+ member->offset, member->size, indent, "", member->type_name,
+ member->var_name ?: "");
+
+ if (!list_empty(&member->children))
+ printf(" {\n");
+
+ list_for_each_entry(child, &member->children, node)
+ print_annotated_data_type(mem_type, child, evsel, indent + 4);
+
+ if (!list_empty(&member->children))
+ printf("%*s}", 11 * nr_events + 24 + indent, "");
+ printf(";\n");
+}
+
+static void print_annotate_data_stat(struct annotated_data_stat *s)
+{
+#define PRINT_STAT(fld) if (s->fld) printf("%10d : %s\n", s->fld, #fld)
+
+ int bad = s->no_sym +
+ s->no_insn +
+ s->no_insn_ops +
+ s->no_mem_ops +
+ s->no_reg +
+ s->no_dbginfo +
+ s->no_cuinfo +
+ s->no_var +
+ s->no_typeinfo +
+ s->invalid_size +
+ s->bad_offset;
+ int ok = s->total - bad;
+
+ printf("Annotate data type stats:\n");
+ printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n",
+ s->total, ok, 100.0 * ok / (s->total ?: 1), bad, 100.0 * bad / (s->total ?: 1));
+ printf("-----------------------------------------------------------\n");
+ PRINT_STAT(no_sym);
+ PRINT_STAT(no_insn);
+ PRINT_STAT(no_insn_ops);
+ PRINT_STAT(no_mem_ops);
+ PRINT_STAT(no_reg);
+ PRINT_STAT(no_dbginfo);
+ PRINT_STAT(no_cuinfo);
+ PRINT_STAT(no_var);
+ PRINT_STAT(no_typeinfo);
+ PRINT_STAT(invalid_size);
+ PRINT_STAT(bad_offset);
+ printf("\n");
+
+#undef PRINT_STAT
+}
+
+static void print_annotate_item_stat(struct list_head *head, const char *title)
+{
+ struct annotated_item_stat *istat, *pos, *iter;
+ int total_good, total_bad, total;
+ int sum1, sum2;
+ LIST_HEAD(tmp);
+
+ /* sort the list by count */
+ list_splice_init(head, &tmp);
+ total_good = total_bad = 0;
+
+ list_for_each_entry_safe(istat, pos, &tmp, list) {
+ total_good += istat->good;
+ total_bad += istat->bad;
+ sum1 = istat->good + istat->bad;
+
+ list_for_each_entry(iter, head, list) {
+ sum2 = iter->good + iter->bad;
+ if (sum1 > sum2)
+ break;
+ }
+ list_move_tail(&istat->list, &iter->list);
+ }
+ total = total_good + total_bad;
+
+ printf("Annotate %s stats\n", title);
+ printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n\n", total,
+ total_good, 100.0 * total_good / (total ?: 1),
+ total_bad, 100.0 * total_bad / (total ?: 1));
+ printf(" %-10s: %5s %5s\n", "Name", "Good", "Bad");
+ printf("-----------------------------------------------------------\n");
+ list_for_each_entry(istat, head, list)
+ printf(" %-10s: %5d %5d\n", istat->name, istat->good, istat->bad);
+ printf("\n");
}
static void hists__find_annotations(struct hists *hists,
@@ -327,6 +478,11 @@ static void hists__find_annotations(struct hists *hists,
struct rb_node *nd = rb_first_cached(&hists->entries), *next;
int key = K_RIGHT;
+ if (ann->type_stat)
+ print_annotate_data_stat(&ann_data_stat);
+ if (ann->insn_stat)
+ print_annotate_item_stat(&ann_insn_stat, "Instruction");
+
while (nd) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
struct annotation *notes;
@@ -359,11 +515,38 @@ find_next:
continue;
}
+ if (ann->data_type) {
+ /* skip unknown type */
+ if (he->mem_type->histograms == NULL)
+ goto find_next;
+
+ if (ann->target_data_type) {
+ const char *type_name = he->mem_type->self.type_name;
+
+ /* skip 'struct ' prefix in the type name */
+ if (strncmp(ann->target_data_type, "struct ", 7) &&
+ !strncmp(type_name, "struct ", 7))
+ type_name += 7;
+
+ /* skip 'union ' prefix in the type name */
+ if (strncmp(ann->target_data_type, "union ", 6) &&
+ !strncmp(type_name, "union ", 6))
+ type_name += 6;
+
+ if (strcmp(ann->target_data_type, type_name))
+ goto find_next;
+ }
+
+ print_annotated_data_header(he, evsel);
+ print_annotated_data_type(he->mem_type, &he->mem_type->self, evsel, 0);
+ printf("\n");
+ goto find_next;
+ }
+
if (use_browser == 2) {
int ret;
int (*annotate)(struct hist_entry *he,
struct evsel *evsel,
- struct annotation_options *options,
struct hist_browser_timer *hbt);
annotate = dlsym(perf_gtk_handle,
@@ -373,14 +556,14 @@ find_next:
return;
}
- ret = annotate(he, evsel, &ann->opts, NULL);
+ ret = annotate(he, evsel, NULL);
if (!ret || !ann->skip_missing)
return;
/* skip missing symbols */
nd = rb_next(nd);
} else if (use_browser == 1) {
- key = hist_entry__tui_annotate(he, evsel, NULL, &ann->opts);
+ key = hist_entry__tui_annotate(he, evsel, NULL);
switch (key) {
case -1:
@@ -422,9 +605,9 @@ static int __cmd_annotate(struct perf_annotate *ann)
goto out;
}
- if (!ann->opts.objdump_path) {
+ if (!annotate_opts.objdump_path) {
ret = perf_env__lookup_objdump(&session->header.env,
- &ann->opts.objdump_path);
+ &annotate_opts.objdump_path);
if (ret)
goto out;
}
@@ -457,8 +640,20 @@ static int __cmd_annotate(struct perf_annotate *ann)
evsel__reset_sample_bit(pos, CALLCHAIN);
evsel__output_resort(pos, NULL);
- if (symbol_conf.event_group && !evsel__is_group_leader(pos))
+ /*
+ * An event group needs to display other events too.
+ * Let's delay printing until other events are processed.
+ */
+ if (symbol_conf.event_group) {
+ if (!evsel__is_group_leader(pos)) {
+ struct hists *leader_hists;
+
+ leader_hists = evsel__hists(evsel__leader(pos));
+ hists__match(leader_hists, hists);
+ hists__link(leader_hists, hists);
+ }
continue;
+ }
hists__find_annotations(hists, pos, ann);
}
@@ -469,6 +664,20 @@ static int __cmd_annotate(struct perf_annotate *ann)
goto out;
}
+ /* Display group events together */
+ evlist__for_each_entry(session->evlist, pos) {
+ struct hists *hists = evsel__hists(pos);
+ u32 nr_samples = hists->stats.nr_samples;
+
+ if (nr_samples == 0)
+ continue;
+
+ if (!symbol_conf.event_group || !evsel__is_group_leader(pos))
+ continue;
+
+ hists__find_annotations(hists, pos, ann);
+ }
+
if (use_browser == 2) {
void (*show_annotations)(void);
@@ -495,6 +704,17 @@ static int parse_percent_limit(const struct option *opt, const char *str,
return 0;
}
+static int parse_data_type(const struct option *opt, const char *str, int unset)
+{
+ struct perf_annotate *ann = opt->value;
+
+ ann->data_type = !unset;
+ if (str)
+ ann->target_data_type = strdup(str);
+
+ return 0;
+}
+
static const char * const annotate_usage[] = {
"perf annotate [<options>]",
NULL
@@ -558,9 +778,9 @@ int cmd_annotate(int argc, const char **argv)
"file", "vmlinux pathname"),
OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
"load module symbols - WARNING: use only with -k and LIVE kernel"),
- OPT_BOOLEAN('l', "print-line", &annotate.opts.print_lines,
+ OPT_BOOLEAN('l', "print-line", &annotate_opts.print_lines,
"print matching source lines (may be slow)"),
- OPT_BOOLEAN('P', "full-paths", &annotate.opts.full_path,
+ OPT_BOOLEAN('P', "full-paths", &annotate_opts.full_path,
"Don't shorten the displayed pathnames"),
OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing,
"Skip symbols that cannot be annotated"),
@@ -571,15 +791,15 @@ int cmd_annotate(int argc, const char **argv)
OPT_CALLBACK(0, "symfs", NULL, "directory",
"Look for files with symbols relative to this directory",
symbol__config_symfs),
- OPT_BOOLEAN(0, "source", &annotate.opts.annotate_src,
+ OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src,
"Interleave source code with assembly code (default)"),
- OPT_BOOLEAN(0, "asm-raw", &annotate.opts.show_asm_raw,
+ OPT_BOOLEAN(0, "asm-raw", &annotate_opts.show_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_STRING(0, "prefix", &annotate.opts.prefix, "prefix",
+ OPT_STRING(0, "prefix", &annotate_opts.prefix, "prefix",
"Add prefix to source file path names in programs (with --prefix-strip)"),
- OPT_STRING(0, "prefix-strip", &annotate.opts.prefix_strip, "N",
+ OPT_STRING(0, "prefix-strip", &annotate_opts.prefix_strip, "N",
"Strip first N entries of source file path name in programs (with --prefix)"),
OPT_STRING(0, "objdump", &objdump_path, "path",
"objdump binary to use for disassembly and annotations"),
@@ -598,7 +818,7 @@ int cmd_annotate(int argc, const char **argv)
OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
"'always' (default), 'never' or 'auto' only applicable to --stdio mode",
stdio__config_color, "always"),
- OPT_CALLBACK(0, "percent-type", &annotate.opts, "local-period",
+ OPT_CALLBACK(0, "percent-type", &annotate_opts, "local-period",
"Set percent type local/global-period/hits",
annotate_parse_percent_type),
OPT_CALLBACK(0, "percent-limit", &annotate, "percent",
@@ -606,7 +826,13 @@ int cmd_annotate(int argc, const char **argv)
OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
"Instruction Tracing options\n" ITRACE_HELP,
itrace_parse_synth_opts),
-
+ OPT_CALLBACK_OPTARG(0, "data-type", &annotate, NULL, "name",
+ "Show data type annotate for the memory accesses",
+ parse_data_type),
+ OPT_BOOLEAN(0, "type-stat", &annotate.type_stat,
+ "Show stats for the data type annotation"),
+ OPT_BOOLEAN(0, "insn-stat", &annotate.insn_stat,
+ "Show instruction stats for the data type annotation"),
OPT_END()
};
int ret;
@@ -614,13 +840,13 @@ int cmd_annotate(int argc, const char **argv)
set_option_flag(options, 0, "show-total-period", PARSE_OPT_EXCLUSIVE);
set_option_flag(options, 0, "show-nr-samples", PARSE_OPT_EXCLUSIVE);
- annotation_options__init(&annotate.opts);
+ annotation_options__init();
ret = hists__init();
if (ret < 0)
return ret;
- annotation_config__init(&annotate.opts);
+ annotation_config__init();
argc = parse_options(argc, argv, options, annotate_usage, 0);
if (argc) {
@@ -635,13 +861,13 @@ int cmd_annotate(int argc, const char **argv)
}
if (disassembler_style) {
- annotate.opts.disassembler_style = strdup(disassembler_style);
- if (!annotate.opts.disassembler_style)
+ annotate_opts.disassembler_style = strdup(disassembler_style);
+ if (!annotate_opts.disassembler_style)
return -ENOMEM;
}
if (objdump_path) {
- annotate.opts.objdump_path = strdup(objdump_path);
- if (!annotate.opts.objdump_path)
+ annotate_opts.objdump_path = strdup(objdump_path);
+ if (!annotate_opts.objdump_path)
return -ENOMEM;
}
if (addr2line_path) {
@@ -650,7 +876,7 @@ int cmd_annotate(int argc, const char **argv)
return -ENOMEM;
}
- if (annotate_check_args(&annotate.opts) < 0)
+ if (annotate_check_args() < 0)
return -EINVAL;
#ifdef HAVE_GTK2_SUPPORT
@@ -660,6 +886,13 @@ int cmd_annotate(int argc, const char **argv)
}
#endif
+#ifndef HAVE_DWARF_GETLOCATIONS_SUPPORT
+ if (annotate.data_type) {
+ pr_err("Error: Data type profiling is disabled due to missing DWARF support\n");
+ return -ENOTSUP;
+ }
+#endif
+
ret = symbol__validate_sym_arguments();
if (ret)
return ret;
@@ -702,6 +935,14 @@ int cmd_annotate(int argc, const char **argv)
use_browser = 2;
#endif
+ /* FIXME: only support stdio for now */
+ if (annotate.data_type) {
+ use_browser = 0;
+ annotate_opts.annotate_src = false;
+ symbol_conf.annotate_data_member = true;
+ symbol_conf.annotate_data_sample = true;
+ }
+
setup_browser(true);
/*
@@ -709,7 +950,10 @@ int cmd_annotate(int argc, const char **argv)
* symbol, we do not care about the processes in annotate,
* set sort order to avoid repeated output.
*/
- sort_order = "dso,symbol";
+ if (annotate.data_type)
+ sort_order = "dso,type";
+ else
+ sort_order = "dso,symbol";
/*
* Set SORT_MODE__BRANCH so that annotate display IPC/Cycle
@@ -731,7 +975,7 @@ out_delete:
#ifndef NDEBUG
perf_session__delete(annotate.session);
#endif
- annotation_options__exit(&annotate.opts);
+ annotation_options__exit();
return ret;
}
generated by cgit (git 2.34.1) at 2024-05-30 17:27:58 +0000