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-rw-r--r--tools/perf/builtin-report.c433
1 files changed, 192 insertions, 241 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 8cf8e66ba594..3c53ec268fbc 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -39,7 +39,7 @@
#include <dlfcn.h>
#include <linux/bitmap.h>
-struct perf_report {
+struct report {
struct perf_tool tool;
struct perf_session *session;
bool force, use_tui, use_gtk, use_stdio;
@@ -49,6 +49,8 @@ struct perf_report {
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;
@@ -58,14 +60,14 @@ struct perf_report {
DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};
-static int perf_report_config(const char *var, const char *value, void *cb)
+static int report__config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "report.group")) {
symbol_conf.event_group = perf_config_bool(var, value);
return 0;
}
if (!strcmp(var, "report.percent-limit")) {
- struct perf_report *rep = cb;
+ struct report *rep = cb;
rep->min_percent = strtof(value, NULL);
return 0;
}
@@ -73,31 +75,22 @@ static int perf_report_config(const char *var, const char *value, void *cb)
return perf_default_config(var, value, cb);
}
-static int perf_report__add_mem_hist_entry(struct perf_tool *tool,
- struct addr_location *al,
- struct perf_sample *sample,
- struct perf_evsel *evsel,
- struct machine *machine,
- union perf_event *event)
+static int report__add_mem_hist_entry(struct perf_tool *tool, struct addr_location *al,
+ struct perf_sample *sample, struct perf_evsel *evsel,
+ union perf_event *event)
{
- struct perf_report *rep = container_of(tool, struct perf_report, tool);
+ struct report *rep = container_of(tool, struct report, tool);
struct symbol *parent = NULL;
u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- int err = 0;
struct hist_entry *he;
struct mem_info *mi, *mx;
uint64_t cost;
+ int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
- if ((sort__has_parent || symbol_conf.use_callchain) &&
- sample->callchain) {
- err = machine__resolve_callchain(machine, evsel, al->thread,
- sample, &parent, al,
- rep->max_stack);
- if (err)
- return err;
- }
+ if (err)
+ return err;
- mi = machine__resolve_mem(machine, al->thread, sample, cpumode);
+ mi = machine__resolve_mem(al->machine, al->thread, sample, cpumode);
if (!mi)
return -ENOMEM;
@@ -120,77 +113,36 @@ static int perf_report__add_mem_hist_entry(struct perf_tool *tool,
if (!he)
return -ENOMEM;
- /*
- * In the TUI browser, we are doing integrated annotation,
- * so we don't allocate the extra space needed because the stdio
- * code will not use it.
- */
- if (sort__has_sym && he->ms.sym && use_browser > 0) {
- struct annotation *notes = symbol__annotation(he->ms.sym);
-
- assert(evsel != NULL);
-
- if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
- goto out;
-
- err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
- if (err)
- goto out;
- }
+ err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
+ if (err)
+ goto out;
- if (sort__has_sym && he->mem_info->daddr.sym && use_browser > 0) {
- struct annotation *notes;
-
- mx = he->mem_info;
-
- notes = symbol__annotation(mx->daddr.sym);
- if (notes->src == NULL && symbol__alloc_hist(mx->daddr.sym) < 0)
- goto out;
-
- err = symbol__inc_addr_samples(mx->daddr.sym,
- mx->daddr.map,
- evsel->idx,
- mx->daddr.al_addr);
- if (err)
- goto out;
- }
+ mx = he->mem_info;
+ err = addr_map_symbol__inc_samples(&mx->daddr, evsel->idx);
+ if (err)
+ goto out;
evsel->hists.stats.total_period += cost;
hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
- err = 0;
-
- if (symbol_conf.use_callchain) {
- err = callchain_append(he->callchain,
- &callchain_cursor,
- sample->period);
- }
+ err = hist_entry__append_callchain(he, sample);
out:
return err;
}
-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)
+static int report__add_branch_hist_entry(struct perf_tool *tool, struct addr_location *al,
+ struct perf_sample *sample, struct perf_evsel *evsel)
{
- struct perf_report *rep = container_of(tool, struct perf_report, tool);
+ struct report *rep = container_of(tool, struct report, tool);
struct symbol *parent = NULL;
- int err = 0;
unsigned i;
struct hist_entry *he;
struct branch_info *bi, *bx;
+ int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
- if ((sort__has_parent || symbol_conf.use_callchain)
- && sample->callchain) {
- err = machine__resolve_callchain(machine, evsel, al->thread,
- sample, &parent, al,
- rep->max_stack);
- if (err)
- return err;
- }
+ if (err)
+ return err;
- bi = machine__resolve_bstack(machine, al->thread,
+ bi = machine__resolve_bstack(al->machine, al->thread,
sample->branch_stack);
if (!bi)
return -ENOMEM;
@@ -212,35 +164,15 @@ static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL,
1, 1, 0);
if (he) {
- struct annotation *notes;
bx = he->branch_info;
- if (bx->from.sym && use_browser == 1 && sort__has_sym) {
- 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;
- }
+ err = addr_map_symbol__inc_samples(&bx->from, evsel->idx);
+ if (err)
+ goto out;
+
+ err = addr_map_symbol__inc_samples(&bx->to, evsel->idx);
+ if (err)
+ goto out;
- if (bx->to.sym && use_browser == 1 && sort__has_sym) {
- 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);
} else
@@ -252,24 +184,16 @@ out:
return err;
}
-static int perf_evsel__add_hist_entry(struct perf_tool *tool,
- struct perf_evsel *evsel,
- struct addr_location *al,
- struct perf_sample *sample,
- struct machine *machine)
+static int report__add_hist_entry(struct perf_tool *tool, struct perf_evsel *evsel,
+ struct addr_location *al, struct perf_sample *sample)
{
- struct perf_report *rep = container_of(tool, struct perf_report, tool);
+ struct report *rep = container_of(tool, struct report, tool);
struct symbol *parent = NULL;
- int err = 0;
struct hist_entry *he;
+ int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
- if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
- err = machine__resolve_callchain(machine, evsel, al->thread,
- sample, &parent, al,
- rep->max_stack);
- if (err)
- return err;
- }
+ if (err)
+ return err;
he = __hists__add_entry(&evsel->hists, al, parent, NULL, NULL,
sample->period, sample->weight,
@@ -277,30 +201,11 @@ static int perf_evsel__add_hist_entry(struct perf_tool *tool,
if (he == NULL)
return -ENOMEM;
- if (symbol_conf.use_callchain) {
- err = callchain_append(he->callchain,
- &callchain_cursor,
- sample->period);
- if (err)
- return err;
- }
- /*
- * Only in the TUI browser we are doing integrated annotation,
- * so we don't allocated the extra space needed because the stdio
- * code will not use it.
- */
- if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) {
- 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);
- }
+ err = hist_entry__append_callchain(he, sample);
+ if (err)
+ 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:
@@ -314,13 +219,13 @@ static int process_sample_event(struct perf_tool *tool,
struct perf_evsel *evsel,
struct machine *machine)
{
- struct perf_report *rep = container_of(tool, struct perf_report, tool);
+ struct report *rep = container_of(tool, struct report, tool);
struct addr_location al;
int ret;
if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
- fprintf(stderr, "problem processing %d event, skipping it.\n",
- event->header.type);
+ pr_debug("problem processing %d event, skipping it.\n",
+ event->header.type);
return -1;
}
@@ -331,21 +236,18 @@ static int process_sample_event(struct perf_tool *tool,
return 0;
if (sort__mode == SORT_MODE__BRANCH) {
- ret = perf_report__add_branch_hist_entry(tool, &al, sample,
- evsel, machine);
+ ret = report__add_branch_hist_entry(tool, &al, sample, evsel);
if (ret < 0)
pr_debug("problem adding lbr entry, skipping event\n");
} else if (rep->mem_mode == 1) {
- ret = perf_report__add_mem_hist_entry(tool, &al, sample,
- evsel, machine, event);
+ ret = report__add_mem_hist_entry(tool, &al, sample, evsel, event);
if (ret < 0)
pr_debug("problem adding mem entry, skipping event\n");
} else {
if (al.map != NULL)
al.map->dso->hit = 1;
- ret = perf_evsel__add_hist_entry(tool, evsel, &al, sample,
- machine);
+ ret = report__add_hist_entry(tool, evsel, &al, sample);
if (ret < 0)
pr_debug("problem incrementing symbol period, skipping event\n");
}
@@ -358,7 +260,7 @@ static int process_read_event(struct perf_tool *tool,
struct perf_evsel *evsel,
struct machine *machine __maybe_unused)
{
- struct perf_report *rep = container_of(tool, struct perf_report, tool);
+ struct report *rep = container_of(tool, struct report, tool);
if (rep->show_threads) {
const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
@@ -377,7 +279,7 @@ static int process_read_event(struct perf_tool *tool,
}
/* For pipe mode, sample_type is not currently set */
-static int perf_report__setup_sample_type(struct perf_report *rep)
+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);
@@ -422,8 +324,7 @@ static void sig_handler(int sig __maybe_unused)
session_done = 1;
}
-static size_t hists__fprintf_nr_sample_events(struct perf_report *rep,
- struct hists *hists,
+static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
const char *evname, FILE *fp)
{
size_t ret;
@@ -460,12 +361,12 @@ static size_t hists__fprintf_nr_sample_events(struct perf_report *rep,
}
static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
- struct perf_report *rep,
+ struct report *rep,
const char *help)
{
struct perf_evsel *pos;
- list_for_each_entry(pos, &evlist->entries, node) {
+ evlist__for_each(evlist, pos) {
struct hists *hists = &pos->hists;
const char *evname = perf_evsel__name(pos);
@@ -473,7 +374,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
!perf_evsel__is_group_leader(pos))
continue;
- hists__fprintf_nr_sample_events(rep, hists, evname, stdout);
+ hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
fprintf(stdout, "\n\n");
}
@@ -493,43 +394,11 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
return 0;
}
-static int __cmd_report(struct perf_report *rep)
+static void report__warn_kptr_restrict(const struct 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";
- struct ui_progress prog;
- struct perf_data_file *file = session->file;
-
- signal(SIGINT, sig_handler);
+ struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION];
+ struct kmap *kernel_kmap = map__kmap(kernel_map);
- if (rep->cpu_list) {
- ret = perf_session__cpu_bitmap(session, rep->cpu_list,
- rep->cpu_bitmap);
- if (ret)
- return ret;
- }
-
- 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)
- return ret;
-
- ret = perf_session__process_events(session, &rep->tool);
- if (ret)
- return ret;
-
- kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION];
- kernel_kmap = map__kmap(kernel_map);
if (kernel_map == NULL ||
(kernel_map->dso->hit &&
(kernel_kmap->ref_reloc_sym == NULL ||
@@ -552,26 +421,73 @@ static int __cmd_report(struct perf_report *rep)
"Samples in kernel modules can't be resolved as well.\n\n",
desc);
}
+}
- if (verbose > 3)
- perf_session__fprintf(session, stdout);
+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);
- if (verbose > 2)
- perf_session__fprintf_dsos(session, stdout);
+ hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
- if (dump_trace) {
- perf_session__fprintf_nr_events(session, stdout);
- return 0;
+ if (hist_browser == NULL) {
+ ui__error("GTK browser not found!\n");
+ return -1;
}
- nr_samples = 0;
- list_for_each_entry(pos, &session->evlist->entries, node)
+ 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 u64 report__collapse_hists(struct report *rep)
+{
+ struct ui_progress prog;
+ struct perf_evsel *pos;
+ u64 nr_samples = 0;
+ /*
+ * Count number of histogram entries to use when showing progress,
+ * reusing nr_samples variable.
+ */
+ evlist__for_each(rep->session->evlist, pos)
nr_samples += pos->hists.nr_entries;
ui_progress__init(&prog, nr_samples, "Merging related events...");
-
+ /*
+ * Count total number of samples, will be used to check if this
+ * session had any.
+ */
nr_samples = 0;
- list_for_each_entry(pos, &session->evlist->entries, node) {
+
+ evlist__for_each(rep->session->evlist, pos) {
struct hists *hists = &pos->hists;
if (pos->idx == 0)
@@ -589,8 +505,57 @@ static int __cmd_report(struct perf_report *rep)
hists__link(leader_hists, hists);
}
}
+
ui_progress__finish();
+ return nr_samples;
+}
+
+static int __cmd_report(struct report *rep)
+{
+ int ret;
+ u64 nr_samples;
+ 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, &rep->tool);
+ if (ret)
+ return ret;
+
+ report__warn_kptr_restrict(rep);
+
+ 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);
+ return 0;
+ }
+ }
+
+ nr_samples = report__collapse_hists(rep);
+
if (session_done())
return 0;
@@ -599,47 +564,16 @@ static int __cmd_report(struct perf_report *rep)
return 0;
}
- list_for_each_entry(pos, &session->evlist->entries, node)
+ evlist__for_each(session->evlist, pos)
hists__output_resort(&pos->hists);
- if (use_browser > 0) {
- if (use_browser == 1) {
- ret = perf_evlist__tui_browse_hists(session->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;
-
- } else if (use_browser == 2) {
- int (*hist_browser)(struct perf_evlist *,
- const char *,
- struct hist_browser_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 ret;
- }
- hist_browser(session->evlist, help, NULL,
- rep->min_percent);
- }
- } else
- perf_evlist__tty_browse_hists(session->evlist, rep, help);
-
- return ret;
+ return report__browse_hists(rep);
}
static int
parse_callchain_opt(const struct option *opt, const char *arg, int unset)
{
- struct perf_report *rep = (struct perf_report *)opt->value;
+ struct report *rep = (struct report *)opt->value;
char *tok, *tok2;
char *endptr;
@@ -721,7 +655,7 @@ parse_callchain_opt(const struct option *opt, const char *arg, int unset)
return -1;
setup:
if (callchain_register_param(&callchain_param) < 0) {
- fprintf(stderr, "Can't register callchain params\n");
+ pr_err("Can't register callchain params\n");
return -1;
}
return 0;
@@ -759,7 +693,7 @@ static int
parse_percent_limit(const struct option *opt, const char *str,
int unset __maybe_unused)
{
- struct perf_report *rep = opt->value;
+ struct report *rep = opt->value;
rep->min_percent = strtof(str, NULL);
return 0;
@@ -777,7 +711,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
"perf report [<options>]",
NULL
};
- struct perf_report report = {
+ struct report report = {
.tool = {
.sample = process_sample_event,
.mmap = perf_event__process_mmap,
@@ -820,6 +754,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
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,"
" dso_to, dso_from, symbol_to, symbol_from, mispredict,"
@@ -890,7 +827,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
.mode = PERF_DATA_MODE_READ,
};
- perf_config(perf_report_config, &report);
+ perf_config(report__config, &report);
argc = parse_options(argc, argv, options, report_usage, 0);
@@ -940,7 +877,7 @@ repeat:
}
if (report.mem_mode) {
if (sort__mode == SORT_MODE__BRANCH) {
- fprintf(stderr, "branch and mem mode incompatible\n");
+ pr_err("branch and mem mode incompatible\n");
goto error;
}
sort__mode = SORT_MODE__MEMORY;
@@ -963,6 +900,10 @@ repeat:
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 {
@@ -970,6 +911,16 @@ repeat:
perf_hpp__init();
}
+ 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