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Diffstat (limited to 'tools/perf/ui/browsers/hists.c')
-rw-r--r--tools/perf/ui/browsers/hists.c341
1 files changed, 298 insertions, 43 deletions
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index ccc4bd161420..aa22704047d6 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -567,26 +567,128 @@ static int hist_browser__show_callchain(struct hist_browser *browser,
return row - first_row;
}
-#define HPP__COLOR_FN(_name, _field) \
-static int hist_browser__hpp_color_ ## _name(struct perf_hpp *hpp, \
- struct hist_entry *he) \
+struct hpp_arg {
+ struct ui_browser *b;
+ char folded_sign;
+ bool current_entry;
+};
+
+static int __hpp__color_callchain(struct hpp_arg *arg)
+{
+ if (!symbol_conf.use_callchain)
+ return 0;
+
+ slsmg_printf("%c ", arg->folded_sign);
+ return 2;
+}
+
+static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he,
+ u64 (*get_field)(struct hist_entry *),
+ int (*callchain_cb)(struct hpp_arg *))
+{
+ int ret = 0;
+ double percent = 0.0;
+ struct hists *hists = he->hists;
+ struct hpp_arg *arg = hpp->ptr;
+
+ if (hists->stats.total_period)
+ percent = 100.0 * get_field(he) / hists->stats.total_period;
+
+ ui_browser__set_percent_color(arg->b, percent, arg->current_entry);
+
+ if (callchain_cb)
+ ret += callchain_cb(arg);
+
+ ret += scnprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
+ slsmg_printf("%s", hpp->buf);
+
+ if (symbol_conf.event_group) {
+ int prev_idx, idx_delta;
+ struct perf_evsel *evsel = hists_to_evsel(hists);
+ struct hist_entry *pair;
+ int nr_members = evsel->nr_members;
+
+ if (nr_members <= 1)
+ goto out;
+
+ prev_idx = perf_evsel__group_idx(evsel);
+
+ list_for_each_entry(pair, &he->pairs.head, pairs.node) {
+ u64 period = get_field(pair);
+ u64 total = pair->hists->stats.total_period;
+
+ if (!total)
+ continue;
+
+ evsel = hists_to_evsel(pair->hists);
+ idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
+
+ while (idx_delta--) {
+ /*
+ * zero-fill group members in the middle which
+ * have no sample
+ */
+ ui_browser__set_percent_color(arg->b, 0.0,
+ arg->current_entry);
+ ret += scnprintf(hpp->buf, hpp->size,
+ " %6.2f%%", 0.0);
+ slsmg_printf("%s", hpp->buf);
+ }
+
+ percent = 100.0 * period / total;
+ ui_browser__set_percent_color(arg->b, percent,
+ arg->current_entry);
+ ret += scnprintf(hpp->buf, hpp->size,
+ " %6.2f%%", percent);
+ slsmg_printf("%s", hpp->buf);
+
+ prev_idx = perf_evsel__group_idx(evsel);
+ }
+
+ idx_delta = nr_members - prev_idx - 1;
+
+ while (idx_delta--) {
+ /*
+ * zero-fill group members at last which have no sample
+ */
+ ui_browser__set_percent_color(arg->b, 0.0,
+ arg->current_entry);
+ ret += scnprintf(hpp->buf, hpp->size,
+ " %6.2f%%", 0.0);
+ slsmg_printf("%s", hpp->buf);
+ }
+ }
+out:
+ if (!arg->current_entry || !arg->b->navkeypressed)
+ ui_browser__set_color(arg->b, HE_COLORSET_NORMAL);
+
+ return ret;
+}
+
+#define __HPP_COLOR_PERCENT_FN(_type, _field, _cb) \
+static u64 __hpp_get_##_field(struct hist_entry *he) \
+{ \
+ return he->stat._field; \
+} \
+ \
+static int hist_browser__hpp_color_##_type(struct perf_hpp *hpp, \
+ struct hist_entry *he) \
{ \
- struct hists *hists = he->hists; \
- double percent = 100.0 * he->stat._field / hists->stats.total_period; \
- *(double *)hpp->ptr = percent; \
- return scnprintf(hpp->buf, hpp->size, "%6.2f%%", percent); \
+ return __hpp__color_fmt(hpp, he, __hpp_get_##_field, _cb); \
}
-HPP__COLOR_FN(overhead, period)
-HPP__COLOR_FN(overhead_sys, period_sys)
-HPP__COLOR_FN(overhead_us, period_us)
-HPP__COLOR_FN(overhead_guest_sys, period_guest_sys)
-HPP__COLOR_FN(overhead_guest_us, period_guest_us)
+__HPP_COLOR_PERCENT_FN(overhead, period, __hpp__color_callchain)
+__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys, NULL)
+__HPP_COLOR_PERCENT_FN(overhead_us, period_us, NULL)
+__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys, NULL)
+__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us, NULL)
-#undef HPP__COLOR_FN
+#undef __HPP_COLOR_PERCENT_FN
void hist_browser__init_hpp(void)
{
+ perf_hpp__column_enable(PERF_HPP__OVERHEAD);
+
perf_hpp__init();
perf_hpp__format[PERF_HPP__OVERHEAD].color =
@@ -606,13 +708,13 @@ static int hist_browser__show_entry(struct hist_browser *browser,
unsigned short row)
{
char s[256];
- double percent;
- int i, printed = 0;
+ int printed = 0;
int width = browser->b.width;
char folded_sign = ' ';
bool current_entry = ui_browser__is_current_entry(&browser->b, row);
off_t row_offset = entry->row_offset;
bool first = true;
+ struct perf_hpp_fmt *fmt;
if (current_entry) {
browser->he_selection = entry;
@@ -625,41 +727,30 @@ static int hist_browser__show_entry(struct hist_browser *browser,
}
if (row_offset == 0) {
+ struct hpp_arg arg = {
+ .b = &browser->b,
+ .folded_sign = folded_sign,
+ .current_entry = current_entry,
+ };
struct perf_hpp hpp = {
.buf = s,
.size = sizeof(s),
+ .ptr = &arg,
};
ui_browser__gotorc(&browser->b, row, 0);
- for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
- if (!perf_hpp__format[i].cond)
- continue;
-
+ perf_hpp__for_each_format(fmt) {
if (!first) {
slsmg_printf(" ");
width -= 2;
}
first = false;
- if (perf_hpp__format[i].color) {
- hpp.ptr = &percent;
- /* It will set percent for us. See HPP__COLOR_FN above. */
- width -= perf_hpp__format[i].color(&hpp, entry);
-
- ui_browser__set_percent_color(&browser->b, percent, current_entry);
-
- if (i == PERF_HPP__OVERHEAD && symbol_conf.use_callchain) {
- slsmg_printf("%c ", folded_sign);
- width -= 2;
- }
-
- slsmg_printf("%s", s);
-
- if (!current_entry || !browser->b.navkeypressed)
- ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL);
+ if (fmt->color) {
+ width -= fmt->color(&hpp, entry);
} else {
- width -= perf_hpp__format[i].entry(&hpp, entry);
+ width -= fmt->entry(&hpp, entry);
slsmg_printf("%s", s);
}
}
@@ -1098,6 +1189,21 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size,
const struct thread *thread = hists->thread_filter;
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 buflen = sizeof(buf);
+
+ if (symbol_conf.event_group && evsel->nr_members > 1) {
+ struct perf_evsel *pos;
+
+ perf_evsel__group_desc(evsel, buf, buflen);
+ ev_name = buf;
+
+ for_each_group_member(pos, evsel) {
+ nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
+ nr_events += pos->hists.stats.total_period;
+ }
+ }
nr_samples = convert_unit(nr_samples, &unit);
printed = scnprintf(bf, size,
@@ -1135,6 +1241,96 @@ static inline bool is_report_browser(void *timer)
return timer == NULL;
}
+/*
+ * Only runtime switching of perf data file will make "input_name" point
+ * to a malloced buffer. So add "is_input_name_malloced" flag to decide
+ * whether we need to call free() for current "input_name" during the switch.
+ */
+static bool is_input_name_malloced = false;
+
+static int switch_data_file(void)
+{
+ char *pwd, *options[32], *abs_path[32], *tmp;
+ DIR *pwd_dir;
+ int nr_options = 0, choice = -1, ret = -1;
+ struct dirent *dent;
+
+ pwd = getenv("PWD");
+ if (!pwd)
+ return ret;
+
+ pwd_dir = opendir(pwd);
+ if (!pwd_dir)
+ return ret;
+
+ memset(options, 0, sizeof(options));
+ memset(options, 0, sizeof(abs_path));
+
+ while ((dent = readdir(pwd_dir))) {
+ char path[PATH_MAX];
+ u64 magic;
+ char *name = dent->d_name;
+ FILE *file;
+
+ if (!(dent->d_type == DT_REG))
+ continue;
+
+ snprintf(path, sizeof(path), "%s/%s", pwd, name);
+
+ file = fopen(path, "r");
+ if (!file)
+ continue;
+
+ if (fread(&magic, 1, 8, file) < 8)
+ goto close_file_and_continue;
+
+ if (is_perf_magic(magic)) {
+ options[nr_options] = strdup(name);
+ if (!options[nr_options])
+ goto close_file_and_continue;
+
+ abs_path[nr_options] = strdup(path);
+ if (!abs_path[nr_options]) {
+ free(options[nr_options]);
+ ui__warning("Can't search all data files due to memory shortage.\n");
+ fclose(file);
+ break;
+ }
+
+ nr_options++;
+ }
+
+close_file_and_continue:
+ fclose(file);
+ if (nr_options >= 32) {
+ ui__warning("Too many perf data files in PWD!\n"
+ "Only the first 32 files will be listed.\n");
+ break;
+ }
+ }
+ closedir(pwd_dir);
+
+ if (nr_options) {
+ choice = ui__popup_menu(nr_options, options);
+ if (choice < nr_options && choice >= 0) {
+ tmp = strdup(abs_path[choice]);
+ if (tmp) {
+ if (is_input_name_malloced)
+ free((void *)input_name);
+ input_name = tmp;
+ is_input_name_malloced = true;
+ ret = 0;
+ } else
+ ui__warning("Data switch failed due to memory shortage!\n");
+ }
+ }
+
+ free_popup_options(options, nr_options);
+ free_popup_options(abs_path, nr_options);
+ return ret;
+}
+
+
static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
const char *helpline, const char *ev_name,
bool left_exits,
@@ -1169,7 +1365,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
int choice = 0,
annotate = -2, zoom_dso = -2, zoom_thread = -2,
annotate_f = -2, annotate_t = -2, browse_map = -2;
- int scripts_comm = -2, scripts_symbol = -2, scripts_all = -2;
+ int scripts_comm = -2, scripts_symbol = -2,
+ scripts_all = -2, switch_data = -2;
nr_options = 0;
@@ -1226,6 +1423,10 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
if (is_report_browser(hbt))
goto do_scripts;
continue;
+ case 's':
+ if (is_report_browser(hbt))
+ goto do_data_switch;
+ continue;
case K_F1:
case 'h':
case '?':
@@ -1245,6 +1446,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
"d Zoom into current DSO\n"
"t Zoom into current Thread\n"
"r Run available scripts('perf report' only)\n"
+ "s Switch to another data file in PWD ('perf report' only)\n"
"P Print histograms to perf.hist.N\n"
"V Verbose (DSO names in callchains, etc)\n"
"/ Filter symbol by name");
@@ -1352,6 +1554,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
if (asprintf(&options[nr_options], "Run scripts for all samples") > 0)
scripts_all = nr_options++;
+ if (is_report_browser(hbt) && asprintf(&options[nr_options],
+ "Switch to another data file in PWD") > 0)
+ switch_data = nr_options++;
add_exit_option:
options[nr_options++] = (char *)"Exit";
retry_popup_menu:
@@ -1462,6 +1667,16 @@ do_scripts:
script_browse(script_opt);
}
+ /* Switch to another data file */
+ else if (choice == switch_data) {
+do_data_switch:
+ if (!switch_data_file()) {
+ key = K_SWITCH_INPUT_DATA;
+ break;
+ } else
+ ui__warning("Won't switch the data files due to\n"
+ "no valid data file get selected!\n");
+ }
}
out_free_stack:
pstack__delete(fstack);
@@ -1494,6 +1709,16 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
HE_COLORSET_NORMAL);
+ if (symbol_conf.event_group && evsel->nr_members > 1) {
+ struct perf_evsel *pos;
+
+ ev_name = perf_evsel__group_name(evsel);
+
+ for_each_group_member(pos, evsel) {
+ nr_events += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
+ }
+ }
+
nr_events = convert_unit(nr_events, &unit);
printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events,
unit, unit == ' ' ? "" : " ", ev_name);
@@ -1578,6 +1803,7 @@ browse_hists:
"Do you really want to exit?"))
continue;
/* Fall thru */
+ case K_SWITCH_INPUT_DATA:
case 'q':
case CTRL('c'):
goto out;
@@ -1604,8 +1830,19 @@ out:
return key;
}
+static bool filter_group_entries(struct ui_browser *self __maybe_unused,
+ void *entry)
+{
+ struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node);
+
+ if (symbol_conf.event_group && !perf_evsel__is_group_leader(evsel))
+ return true;
+
+ return false;
+}
+
static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
- const char *help,
+ int nr_entries, const char *help,
struct hist_browser_timer *hbt,
struct perf_session_env *env)
{
@@ -1616,7 +1853,8 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
.refresh = ui_browser__list_head_refresh,
.seek = ui_browser__list_head_seek,
.write = perf_evsel_menu__write,
- .nr_entries = evlist->nr_entries,
+ .filter = filter_group_entries,
+ .nr_entries = nr_entries,
.priv = evlist,
},
.env = env,
@@ -1632,20 +1870,37 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist,
menu.b.width = line_len;
}
- return perf_evsel_menu__run(&menu, evlist->nr_entries, help, hbt);
+ return perf_evsel_menu__run(&menu, nr_entries, help, hbt);
}
int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
struct hist_browser_timer *hbt,
struct perf_session_env *env)
{
- if (evlist->nr_entries == 1) {
+ int nr_entries = evlist->nr_entries;
+
+single_entry:
+ if (nr_entries == 1) {
struct perf_evsel *first = list_entry(evlist->entries.next,
struct perf_evsel, node);
const char *ev_name = perf_evsel__name(first);
- return perf_evsel__hists_browse(first, evlist->nr_entries, help,
+
+ return perf_evsel__hists_browse(first, nr_entries, help,
ev_name, false, hbt, env);
}
- return __perf_evlist__tui_browse_hists(evlist, help, hbt, env);
+ if (symbol_conf.event_group) {
+ struct perf_evsel *pos;
+
+ nr_entries = 0;
+ list_for_each_entry(pos, &evlist->entries, node)
+ if (perf_evsel__is_group_leader(pos))
+ nr_entries++;
+
+ if (nr_entries == 1)
+ goto single_entry;
+ }
+
+ return __perf_evlist__tui_browse_hists(evlist, nr_entries, help,
+ hbt, env);
}