static char const *input_name = "perf.data";
static int force;
+static bool hide_unresolved;
+static bool dont_use_callchains;
static int show_threads;
static struct perf_read_values show_threads_values;
static char callchain_default_opt[] = "fractal,0.5";
-static size_t
-callchain__fprintf_left_margin(FILE *fp, int left_margin)
-{
- int i;
- int ret;
-
- ret = fprintf(fp, " ");
-
- for (i = 0; i < left_margin; i++)
- ret += fprintf(fp, " ");
-
- return ret;
-}
-
-static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
- int left_margin)
-{
- int i;
- size_t ret = 0;
-
- ret += callchain__fprintf_left_margin(fp, left_margin);
-
- for (i = 0; i < depth; i++)
- if (depth_mask & (1 << i))
- ret += fprintf(fp, "| ");
- else
- ret += fprintf(fp, " ");
-
- ret += fprintf(fp, "\n");
-
- return ret;
-}
-static size_t
-ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth,
- int depth_mask, int count, u64 total_samples,
- int hits, int left_margin)
-{
- int i;
- size_t ret = 0;
-
- ret += callchain__fprintf_left_margin(fp, left_margin);
- for (i = 0; i < depth; i++) {
- if (depth_mask & (1 << i))
- ret += fprintf(fp, "|");
- else
- ret += fprintf(fp, " ");
- if (!count && i == depth - 1) {
- double percent;
-
- percent = hits * 100.0 / total_samples;
- ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
- } else
- ret += fprintf(fp, "%s", " ");
- }
- if (chain->sym)
- ret += fprintf(fp, "%s\n", chain->sym->name);
- else
- ret += fprintf(fp, "%p\n", (void *)(long)chain->ip);
-
- return ret;
-}
-
-static struct symbol *rem_sq_bracket;
-static struct callchain_list rem_hits;
-
-static void init_rem_hits(void)
-{
- rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
- if (!rem_sq_bracket) {
- fprintf(stderr, "Not enough memory to display remaining hits\n");
- return;
- }
-
- strcpy(rem_sq_bracket->name, "[...]");
- rem_hits.sym = rem_sq_bracket;
-}
-
-static size_t
-__callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
- u64 total_samples, int depth, int depth_mask,
- int left_margin)
-{
- struct rb_node *node, *next;
- struct callchain_node *child;
- struct callchain_list *chain;
- int new_depth_mask = depth_mask;
- u64 new_total;
- u64 remaining;
- size_t ret = 0;
- int i;
-
- if (callchain_param.mode == CHAIN_GRAPH_REL)
- new_total = self->children_hit;
- else
- new_total = total_samples;
-
- remaining = new_total;
-
- node = rb_first(&self->rb_root);
- while (node) {
- u64 cumul;
-
- child = rb_entry(node, struct callchain_node, rb_node);
- cumul = cumul_hits(child);
- remaining -= cumul;
-
- /*
- * The depth mask manages the output of pipes that show
- * the depth. We don't want to keep the pipes of the current
- * level for the last child of this depth.
- * Except if we have remaining filtered hits. They will
- * supersede the last child
- */
- next = rb_next(node);
- if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining))
- new_depth_mask &= ~(1 << (depth - 1));
-
- /*
- * But we keep the older depth mask for the line seperator
- * to keep the level link until we reach the last child
- */
- ret += ipchain__fprintf_graph_line(fp, depth, depth_mask,
- left_margin);
- i = 0;
- list_for_each_entry(chain, &child->val, list) {
- if (chain->ip >= PERF_CONTEXT_MAX)
- continue;
- ret += ipchain__fprintf_graph(fp, chain, depth,
- new_depth_mask, i++,
- new_total,
- cumul,
- left_margin);
- }
- ret += __callchain__fprintf_graph(fp, child, new_total,
- depth + 1,
- new_depth_mask | (1 << depth),
- left_margin);
- node = next;
- }
-
- if (callchain_param.mode == CHAIN_GRAPH_REL &&
- remaining && remaining != new_total) {
-
- if (!rem_sq_bracket)
- return ret;
-
- new_depth_mask &= ~(1 << (depth - 1));
-
- ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
- new_depth_mask, 0, new_total,
- remaining, left_margin);
- }
-
- return ret;
-}
-
-
-static size_t
-callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
- u64 total_samples, int left_margin)
-{
- struct callchain_list *chain;
- bool printed = false;
- int i = 0;
- int ret = 0;
-
- list_for_each_entry(chain, &self->val, list) {
- if (chain->ip >= PERF_CONTEXT_MAX)
- continue;
-
- if (!i++ && sort__first_dimension == SORT_SYM)
- continue;
-
- if (!printed) {
- ret += callchain__fprintf_left_margin(fp, left_margin);
- ret += fprintf(fp, "|\n");
- ret += callchain__fprintf_left_margin(fp, left_margin);
- ret += fprintf(fp, "---");
-
- left_margin += 3;
- printed = true;
- } else
- ret += callchain__fprintf_left_margin(fp, left_margin);
-
- if (chain->sym)
- ret += fprintf(fp, " %s\n", chain->sym->name);
- else
- ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);
- }
-
- ret += __callchain__fprintf_graph(fp, self, total_samples, 1, 1, left_margin);
-
- return ret;
-}
-
-static size_t
-callchain__fprintf_flat(FILE *fp, struct callchain_node *self,
- u64 total_samples)
-{
- struct callchain_list *chain;
- size_t ret = 0;
-
- if (!self)
- return 0;
-
- ret += callchain__fprintf_flat(fp, self->parent, total_samples);
-
-
- list_for_each_entry(chain, &self->val, list) {
- if (chain->ip >= PERF_CONTEXT_MAX)
- continue;
- if (chain->sym)
- ret += fprintf(fp, " %s\n", chain->sym->name);
- else
- ret += fprintf(fp, " %p\n",
- (void *)(long)chain->ip);
- }
-
- return ret;
-}
-
-static size_t
-hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
- u64 total_samples, int left_margin)
-{
- struct rb_node *rb_node;
- struct callchain_node *chain;
- size_t ret = 0;
-
- rb_node = rb_first(&self->sorted_chain);
- while (rb_node) {
- double percent;
-
- chain = rb_entry(rb_node, struct callchain_node, rb_node);
- percent = chain->hit * 100.0 / total_samples;
- switch (callchain_param.mode) {
- case CHAIN_FLAT:
- ret += percent_color_fprintf(fp, " %6.2f%%\n",
- percent);
- ret += callchain__fprintf_flat(fp, chain, total_samples);
- break;
- case CHAIN_GRAPH_ABS: /* Falldown */
- case CHAIN_GRAPH_REL:
- ret += callchain__fprintf_graph(fp, chain, total_samples,
- left_margin);
- case CHAIN_NONE:
- default:
- break;
- }
- ret += fprintf(fp, "\n");
- rb_node = rb_next(rb_node);
- }
-
- return ret;
-}
-
-static size_t hist_entry__fprintf(FILE *fp, struct hist_entry *self,
- struct perf_session *session)
-{
- struct sort_entry *se;
- size_t ret;
-
- if (symbol_conf.exclude_other && !self->parent)
- return 0;
-
- if (session->events_stats.total)
- ret = percent_color_fprintf(fp,
- symbol_conf.field_sep ? "%.2f" : " %6.2f%%",
- (self->count * 100.0) / session->events_stats.total);
- else
- ret = fprintf(fp, symbol_conf.field_sep ? "%lld" : "%12lld ", self->count);
-
- if (symbol_conf.show_nr_samples) {
- if (symbol_conf.field_sep)
- fprintf(fp, "%c%lld", *symbol_conf.field_sep, self->count);
- else
- fprintf(fp, "%11lld", self->count);
- }
-
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- if (se->elide)
- continue;
-
- fprintf(fp, "%s", symbol_conf.field_sep ?: " ");
- ret += se->print(fp, self, se->width ? *se->width : 0);
- }
-
- ret += fprintf(fp, "\n");
-
- if (symbol_conf.use_callchain) {
- int left_margin = 0;
-
- if (sort__first_dimension == SORT_COMM) {
- se = list_first_entry(&hist_entry__sort_list, typeof(*se),
- list);
- left_margin = se->width ? *se->width : 0;
- left_margin -= thread__comm_len(self->thread);
- }
-
- hist_entry_callchain__fprintf(fp, self, session->events_stats.total,
- left_margin);
- }
-
- return ret;
-}
-
-/*
- * collect histogram counts
- */
-
static int perf_session__add_hist_entry(struct perf_session *self,
struct addr_location *al,
struct ip_callchain *chain, u64 count)
return 0;
}
-static size_t perf_session__fprintf_hists(struct perf_session *self, FILE *fp)
-{
- struct hist_entry *pos;
- struct sort_entry *se;
- struct rb_node *nd;
- size_t ret = 0;
- unsigned int width;
- char *col_width = symbol_conf.col_width_list_str;
-
- init_rem_hits();
-
- fprintf(fp, "# Samples: %ld\n", self->events_stats.total);
- fprintf(fp, "#\n");
-
- fprintf(fp, "# Overhead");
- if (symbol_conf.show_nr_samples) {
- if (symbol_conf.field_sep)
- fprintf(fp, "%cSamples", *symbol_conf.field_sep);
- else
- fputs(" Samples ", fp);
- }
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- if (se->elide)
- continue;
- if (symbol_conf.field_sep) {
- fprintf(fp, "%c%s", *symbol_conf.field_sep, se->header);
- continue;
- }
- width = strlen(se->header);
- if (se->width) {
- if (symbol_conf.col_width_list_str) {
- if (col_width) {
- *se->width = atoi(col_width);
- col_width = strchr(col_width, ',');
- if (col_width)
- ++col_width;
- }
- }
- width = *se->width = max(*se->width, width);
- }
- fprintf(fp, " %*s", width, se->header);
- }
- fprintf(fp, "\n");
-
- if (symbol_conf.field_sep)
- goto print_entries;
-
- fprintf(fp, "# ........");
- if (symbol_conf.show_nr_samples)
- fprintf(fp, " ..........");
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- unsigned int i;
-
- if (se->elide)
- continue;
-
- fprintf(fp, " ");
- if (se->width)
- width = *se->width;
- else
- width = strlen(se->header);
- for (i = 0; i < width; i++)
- fprintf(fp, ".");
- }
- fprintf(fp, "\n");
-
- fprintf(fp, "#\n");
-
-print_entries:
- for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) {
- pos = rb_entry(nd, struct hist_entry, rb_node);
- ret += hist_entry__fprintf(fp, pos, self);
- }
-
- if (sort_order == default_sort_order &&
- parent_pattern == default_parent_pattern) {
- fprintf(fp, "#\n");
- fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n");
- fprintf(fp, "#\n");
- }
- fprintf(fp, "\n");
-
- free(rem_sq_bracket);
-
- return ret;
-}
-
static int validate_chain(struct ip_callchain *chain, event_t *event)
{
unsigned int chain_size;
event__parse_sample(event, session->sample_type, &data);
- dump_printf("(IP, %d): %d/%d: %p period: %Ld\n",
- event->header.misc,
- data.pid, data.tid,
- (void *)(long)data.ip,
- (long long)data.period);
+ dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld\n", event->header.misc,
+ data.pid, data.tid, data.ip, data.period);
if (session->sample_type & PERF_SAMPLE_CALLCHAIN) {
unsigned int i;
return -1;
}
- if (al.filtered)
+ if (al.filtered || (hide_unresolved && al.sym == NULL))
return 0;
if (perf_session__add_hist_entry(session, &al, data.callchain, data.period)) {
return 0;
}
-static int sample_type_check(struct perf_session *session)
+static int perf_session__setup_sample_type(struct perf_session *self)
{
- if (!(session->sample_type & PERF_SAMPLE_CALLCHAIN)) {
+ if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) {
if (sort__has_parent) {
fprintf(stderr, "selected --sort parent, but no"
" callchain data. Did you call"
" perf record without -g?\n");
- return -1;
+ return -EINVAL;
}
if (symbol_conf.use_callchain) {
fprintf(stderr, "selected -g but no callchain data."
" -g?\n");
return -1;
}
- } else if (callchain_param.mode != CHAIN_NONE && !symbol_conf.use_callchain) {
+ } else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE &&
+ !symbol_conf.use_callchain) {
symbol_conf.use_callchain = true;
if (register_callchain_param(&callchain_param) < 0) {
fprintf(stderr, "Can't register callchain"
" params\n");
- return -1;
+ return -EINVAL;
}
}
}
static struct perf_event_ops event_ops = {
- .process_sample_event = process_sample_event,
- .process_mmap_event = event__process_mmap,
- .process_comm_event = event__process_mmap,
- .process_exit_event = event__process_task,
- .process_fork_event = event__process_task,
- .process_lost_event = event__process_lost,
- .process_read_event = process_read_event,
- .sample_type_check = sample_type_check,
+ .sample = process_sample_event,
+ .mmap = event__process_mmap,
+ .comm = event__process_comm,
+ .exit = event__process_task,
+ .fork = event__process_task,
+ .lost = event__process_lost,
+ .read = process_read_event,
};
-
static int __cmd_report(void)
{
- int ret;
+ int ret = -EINVAL;
struct perf_session *session;
session = perf_session__new(input_name, O_RDONLY, force);
if (show_threads)
perf_read_values_init(&show_threads_values);
+ ret = perf_session__setup_sample_type(session);
+ if (ret)
+ goto out_delete;
+
ret = perf_session__process_events(session, &event_ops);
if (ret)
goto out_delete;
perf_session__collapse_resort(session);
perf_session__output_resort(session, session->events_stats.total);
- perf_session__fprintf_hists(session, stdout);
+ fprintf(stdout, "# Samples: %Ld\n#\n", session->events_stats.total);
+ perf_session__fprintf_hists(session, NULL, false, stdout);
+ if (sort_order == default_sort_order &&
+ parent_pattern == default_parent_pattern)
+ fprintf(stdout, "#\n# (For a higher level overview, try: perf report --sort comm,dso)\n#\n");
+
if (show_threads) {
bool raw_printing_style = !strcmp(pretty_printing_style, "raw");
perf_read_values_display(stdout, &show_threads_values,
static int
parse_callchain_opt(const struct option *opt __used, const char *arg,
- int unset __used)
+ int unset)
{
char *tok;
char *endptr;
+ /*
+ * --no-call-graph
+ */
+ if (unset) {
+ dont_use_callchains = true;
+ return 0;
+ }
+
symbol_conf.use_callchain = true;
if (!arg)
else if (!strncmp(tok, "none", strlen(arg))) {
callchain_param.mode = CHAIN_NONE;
- symbol_conf.use_callchain = true;
+ symbol_conf.use_callchain = false;
return 0;
}
return 0;
}
-//static const char * const report_usage[] = {
-const char * const report_usage[] = {
+static const char * const report_usage[] = {
"perf report [<options>] <command>",
NULL
};
"pretty printing style key: normal raw"),
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
"sort by key(s): pid, comm, dso, symbol, parent"),
- OPT_BOOLEAN('P', "full-paths", &event_ops.full_paths,
+ OPT_BOOLEAN('P', "full-paths", &symbol_conf.full_paths,
"Don't shorten the pathnames taking into account the cwd"),
OPT_STRING('p', "parent", &parent_pattern, "regex",
"regex filter to identify parent, see: '--sort parent'"),
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", &hide_unresolved,
+ "Only display entries resolved to a symbol"),
OPT_END()
};
-static void sort_entry__setup_elide(struct sort_entry *self,
- struct strlist *list,
- const char *list_name, FILE *fp)
-{
- if (list && strlist__nr_entries(list) == 1) {
- fprintf(fp, "# %s: %s\n", list_name, strlist__entry(list, 0)->s);
- self->elide = true;
- }
-}
-
int cmd_report(int argc, const char **argv, const char *prefix __used)
{
argc = parse_options(argc, argv, options, report_usage, 0);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff