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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /tools/perf/ui/hist.c
Initial import
Diffstat (limited to 'tools/perf/ui/hist.c')
-rw-r--r--tools/perf/ui/hist.c693
1 files changed, 693 insertions, 0 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
new file mode 100644
index 000000000..25d608394
--- /dev/null
+++ b/tools/perf/ui/hist.c
@@ -0,0 +1,693 @@
+#include <math.h>
+#include <linux/compiler.h>
+
+#include "../util/hist.h"
+#include "../util/util.h"
+#include "../util/sort.h"
+#include "../util/evsel.h"
+
+/* hist period print (hpp) functions */
+
+#define hpp__call_print_fn(hpp, fn, fmt, ...) \
+({ \
+ int __ret = fn(hpp, fmt, ##__VA_ARGS__); \
+ advance_hpp(hpp, __ret); \
+ __ret; \
+})
+
+static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
+ hpp_field_fn get_field, const char *fmt, int len,
+ hpp_snprint_fn print_fn, bool fmt_percent)
+{
+ int ret;
+ struct hists *hists = he->hists;
+ struct perf_evsel *evsel = hists_to_evsel(hists);
+ char *buf = hpp->buf;
+ size_t size = hpp->size;
+
+ if (fmt_percent) {
+ double percent = 0.0;
+ u64 total = hists__total_period(hists);
+
+ if (total)
+ percent = 100.0 * get_field(he) / total;
+
+ ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent);
+ } else
+ ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
+
+ if (perf_evsel__is_group_event(evsel)) {
+ int prev_idx, idx_delta;
+ struct hist_entry *pair;
+ int nr_members = evsel->nr_members;
+
+ prev_idx = perf_evsel__group_idx(evsel);
+
+ list_for_each_entry(pair, &he->pairs.head, pairs.node) {
+ u64 period = get_field(pair);
+ u64 total = hists__total_period(pair->hists);
+
+ 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
+ */
+ if (fmt_percent) {
+ ret += hpp__call_print_fn(hpp, print_fn,
+ fmt, len, 0.0);
+ } else {
+ ret += hpp__call_print_fn(hpp, print_fn,
+ fmt, len, 0ULL);
+ }
+ }
+
+ if (fmt_percent) {
+ ret += hpp__call_print_fn(hpp, print_fn, fmt, len,
+ 100.0 * period / total);
+ } else {
+ ret += hpp__call_print_fn(hpp, print_fn, fmt,
+ len, period);
+ }
+
+ 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
+ */
+ if (fmt_percent) {
+ ret += hpp__call_print_fn(hpp, print_fn,
+ fmt, len, 0.0);
+ } else {
+ ret += hpp__call_print_fn(hpp, print_fn,
+ fmt, len, 0ULL);
+ }
+ }
+ }
+
+ /*
+ * Restore original buf and size as it's where caller expects
+ * the result will be saved.
+ */
+ hpp->buf = buf;
+ hpp->size = size;
+
+ return ret;
+}
+
+int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he, hpp_field_fn get_field,
+ const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
+{
+ int len = fmt->user_len ?: fmt->len;
+
+ if (symbol_conf.field_sep) {
+ return __hpp__fmt(hpp, he, get_field, fmtstr, 1,
+ print_fn, fmt_percent);
+ }
+
+ if (fmt_percent)
+ len -= 2; /* 2 for a space and a % sign */
+ else
+ len -= 1;
+
+ return __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent);
+}
+
+int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he, hpp_field_fn get_field,
+ const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
+{
+ if (!symbol_conf.cumulate_callchain) {
+ int len = fmt->user_len ?: fmt->len;
+ return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A");
+ }
+
+ return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent);
+}
+
+static int field_cmp(u64 field_a, u64 field_b)
+{
+ if (field_a > field_b)
+ return 1;
+ if (field_a < field_b)
+ return -1;
+ return 0;
+}
+
+static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
+ hpp_field_fn get_field)
+{
+ s64 ret;
+ int i, nr_members;
+ struct perf_evsel *evsel;
+ struct hist_entry *pair;
+ u64 *fields_a, *fields_b;
+
+ ret = field_cmp(get_field(a), get_field(b));
+ if (ret || !symbol_conf.event_group)
+ return ret;
+
+ evsel = hists_to_evsel(a->hists);
+ if (!perf_evsel__is_group_event(evsel))
+ return ret;
+
+ nr_members = evsel->nr_members;
+ fields_a = calloc(nr_members, sizeof(*fields_a));
+ fields_b = calloc(nr_members, sizeof(*fields_b));
+
+ if (!fields_a || !fields_b)
+ goto out;
+
+ list_for_each_entry(pair, &a->pairs.head, pairs.node) {
+ evsel = hists_to_evsel(pair->hists);
+ fields_a[perf_evsel__group_idx(evsel)] = get_field(pair);
+ }
+
+ list_for_each_entry(pair, &b->pairs.head, pairs.node) {
+ evsel = hists_to_evsel(pair->hists);
+ fields_b[perf_evsel__group_idx(evsel)] = get_field(pair);
+ }
+
+ for (i = 1; i < nr_members; i++) {
+ ret = field_cmp(fields_a[i], fields_b[i]);
+ if (ret)
+ break;
+ }
+
+out:
+ free(fields_a);
+ free(fields_b);
+
+ return ret;
+}
+
+static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
+ hpp_field_fn get_field)
+{
+ s64 ret = 0;
+
+ if (symbol_conf.cumulate_callchain) {
+ /*
+ * Put caller above callee when they have equal period.
+ */
+ ret = field_cmp(get_field(a), get_field(b));
+ if (ret)
+ return ret;
+
+ if (a->thread != b->thread || !symbol_conf.use_callchain)
+ return 0;
+
+ ret = b->callchain->max_depth - a->callchain->max_depth;
+ }
+ return ret;
+}
+
+static int hpp__width_fn(struct perf_hpp_fmt *fmt,
+ struct perf_hpp *hpp __maybe_unused,
+ struct perf_evsel *evsel)
+{
+ int len = fmt->user_len ?: fmt->len;
+
+ if (symbol_conf.event_group)
+ len = max(len, evsel->nr_members * fmt->len);
+
+ if (len < (int)strlen(fmt->name))
+ len = strlen(fmt->name);
+
+ return len;
+}
+
+static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct perf_evsel *evsel)
+{
+ int len = hpp__width_fn(fmt, hpp, evsel);
+ return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
+}
+
+static int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
+{
+ va_list args;
+ ssize_t ssize = hpp->size;
+ double percent;
+ int ret, len;
+
+ va_start(args, fmt);
+ len = va_arg(args, int);
+ percent = va_arg(args, double);
+ ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
+ va_end(args);
+
+ return (ret >= ssize) ? (ssize - 1) : ret;
+}
+
+static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
+{
+ va_list args;
+ ssize_t ssize = hpp->size;
+ int ret;
+
+ va_start(args, fmt);
+ ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
+ va_end(args);
+
+ return (ret >= ssize) ? (ssize - 1) : ret;
+}
+
+#define __HPP_COLOR_PERCENT_FN(_type, _field) \
+static u64 he_get_##_field(struct hist_entry *he) \
+{ \
+ return he->stat._field; \
+} \
+ \
+static int hpp__color_##_type(struct perf_hpp_fmt *fmt, \
+ struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%", \
+ hpp_color_scnprintf, true); \
+}
+
+#define __HPP_ENTRY_PERCENT_FN(_type, _field) \
+static int hpp__entry_##_type(struct perf_hpp_fmt *fmt, \
+ struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%", \
+ hpp_entry_scnprintf, true); \
+}
+
+#define __HPP_SORT_FN(_type, _field) \
+static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
+ struct hist_entry *a, struct hist_entry *b) \
+{ \
+ return __hpp__sort(a, b, he_get_##_field); \
+}
+
+#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \
+static u64 he_get_acc_##_field(struct hist_entry *he) \
+{ \
+ return he->stat_acc->_field; \
+} \
+ \
+static int hpp__color_##_type(struct perf_hpp_fmt *fmt, \
+ struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", \
+ hpp_color_scnprintf, true); \
+}
+
+#define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field) \
+static int hpp__entry_##_type(struct perf_hpp_fmt *fmt, \
+ struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", \
+ hpp_entry_scnprintf, true); \
+}
+
+#define __HPP_SORT_ACC_FN(_type, _field) \
+static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
+ struct hist_entry *a, struct hist_entry *b) \
+{ \
+ return __hpp__sort_acc(a, b, he_get_acc_##_field); \
+}
+
+#define __HPP_ENTRY_RAW_FN(_type, _field) \
+static u64 he_get_raw_##_field(struct hist_entry *he) \
+{ \
+ return he->stat._field; \
+} \
+ \
+static int hpp__entry_##_type(struct perf_hpp_fmt *fmt, \
+ struct perf_hpp *hpp, struct hist_entry *he) \
+{ \
+ return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64, \
+ hpp_entry_scnprintf, false); \
+}
+
+#define __HPP_SORT_RAW_FN(_type, _field) \
+static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
+ struct hist_entry *a, struct hist_entry *b) \
+{ \
+ return __hpp__sort(a, b, he_get_raw_##_field); \
+}
+
+
+#define HPP_PERCENT_FNS(_type, _field) \
+__HPP_COLOR_PERCENT_FN(_type, _field) \
+__HPP_ENTRY_PERCENT_FN(_type, _field) \
+__HPP_SORT_FN(_type, _field)
+
+#define HPP_PERCENT_ACC_FNS(_type, _field) \
+__HPP_COLOR_ACC_PERCENT_FN(_type, _field) \
+__HPP_ENTRY_ACC_PERCENT_FN(_type, _field) \
+__HPP_SORT_ACC_FN(_type, _field)
+
+#define HPP_RAW_FNS(_type, _field) \
+__HPP_ENTRY_RAW_FN(_type, _field) \
+__HPP_SORT_RAW_FN(_type, _field)
+
+HPP_PERCENT_FNS(overhead, period)
+HPP_PERCENT_FNS(overhead_sys, period_sys)
+HPP_PERCENT_FNS(overhead_us, period_us)
+HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
+HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
+HPP_PERCENT_ACC_FNS(overhead_acc, period)
+
+HPP_RAW_FNS(samples, nr_events)
+HPP_RAW_FNS(period, period)
+
+static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *a __maybe_unused,
+ struct hist_entry *b __maybe_unused)
+{
+ return 0;
+}
+
+#define HPP__COLOR_PRINT_FNS(_name, _fn) \
+ { \
+ .name = _name, \
+ .header = hpp__header_fn, \
+ .width = hpp__width_fn, \
+ .color = hpp__color_ ## _fn, \
+ .entry = hpp__entry_ ## _fn, \
+ .cmp = hpp__nop_cmp, \
+ .collapse = hpp__nop_cmp, \
+ .sort = hpp__sort_ ## _fn, \
+ }
+
+#define HPP__COLOR_ACC_PRINT_FNS(_name, _fn) \
+ { \
+ .name = _name, \
+ .header = hpp__header_fn, \
+ .width = hpp__width_fn, \
+ .color = hpp__color_ ## _fn, \
+ .entry = hpp__entry_ ## _fn, \
+ .cmp = hpp__nop_cmp, \
+ .collapse = hpp__nop_cmp, \
+ .sort = hpp__sort_ ## _fn, \
+ }
+
+#define HPP__PRINT_FNS(_name, _fn) \
+ { \
+ .name = _name, \
+ .header = hpp__header_fn, \
+ .width = hpp__width_fn, \
+ .entry = hpp__entry_ ## _fn, \
+ .cmp = hpp__nop_cmp, \
+ .collapse = hpp__nop_cmp, \
+ .sort = hpp__sort_ ## _fn, \
+ }
+
+struct perf_hpp_fmt perf_hpp__format[] = {
+ HPP__COLOR_PRINT_FNS("Overhead", overhead),
+ HPP__COLOR_PRINT_FNS("sys", overhead_sys),
+ HPP__COLOR_PRINT_FNS("usr", overhead_us),
+ HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys),
+ HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us),
+ HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc),
+ HPP__PRINT_FNS("Samples", samples),
+ HPP__PRINT_FNS("Period", period)
+};
+
+LIST_HEAD(perf_hpp__list);
+LIST_HEAD(perf_hpp__sort_list);
+
+
+#undef HPP__COLOR_PRINT_FNS
+#undef HPP__COLOR_ACC_PRINT_FNS
+#undef HPP__PRINT_FNS
+
+#undef HPP_PERCENT_FNS
+#undef HPP_PERCENT_ACC_FNS
+#undef HPP_RAW_FNS
+
+#undef __HPP_HEADER_FN
+#undef __HPP_WIDTH_FN
+#undef __HPP_COLOR_PERCENT_FN
+#undef __HPP_ENTRY_PERCENT_FN
+#undef __HPP_COLOR_ACC_PERCENT_FN
+#undef __HPP_ENTRY_ACC_PERCENT_FN
+#undef __HPP_ENTRY_RAW_FN
+#undef __HPP_SORT_FN
+#undef __HPP_SORT_ACC_FN
+#undef __HPP_SORT_RAW_FN
+
+
+void perf_hpp__init(void)
+{
+ struct list_head *list;
+ int i;
+
+ for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
+ struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
+
+ INIT_LIST_HEAD(&fmt->list);
+
+ /* sort_list may be linked by setup_sorting() */
+ if (fmt->sort_list.next == NULL)
+ INIT_LIST_HEAD(&fmt->sort_list);
+ }
+
+ /*
+ * If user specified field order, no need to setup default fields.
+ */
+ if (is_strict_order(field_order))
+ return;
+
+ if (symbol_conf.cumulate_callchain) {
+ perf_hpp__column_enable(PERF_HPP__OVERHEAD_ACC);
+ perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
+ }
+
+ perf_hpp__column_enable(PERF_HPP__OVERHEAD);
+
+ if (symbol_conf.show_cpu_utilization) {
+ perf_hpp__column_enable(PERF_HPP__OVERHEAD_SYS);
+ perf_hpp__column_enable(PERF_HPP__OVERHEAD_US);
+
+ if (perf_guest) {
+ perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_SYS);
+ perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_US);
+ }
+ }
+
+ if (symbol_conf.show_nr_samples)
+ perf_hpp__column_enable(PERF_HPP__SAMPLES);
+
+ if (symbol_conf.show_total_period)
+ perf_hpp__column_enable(PERF_HPP__PERIOD);
+
+ /* prepend overhead field for backward compatiblity. */
+ list = &perf_hpp__format[PERF_HPP__OVERHEAD].sort_list;
+ if (list_empty(list))
+ list_add(list, &perf_hpp__sort_list);
+
+ if (symbol_conf.cumulate_callchain) {
+ list = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC].sort_list;
+ if (list_empty(list))
+ list_add(list, &perf_hpp__sort_list);
+ }
+}
+
+void perf_hpp__column_register(struct perf_hpp_fmt *format)
+{
+ list_add_tail(&format->list, &perf_hpp__list);
+}
+
+void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
+{
+ list_del(&format->list);
+}
+
+void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
+{
+ list_add_tail(&format->sort_list, &perf_hpp__sort_list);
+}
+
+void perf_hpp__column_enable(unsigned col)
+{
+ BUG_ON(col >= PERF_HPP__MAX_INDEX);
+ perf_hpp__column_register(&perf_hpp__format[col]);
+}
+
+void perf_hpp__column_disable(unsigned col)
+{
+ BUG_ON(col >= PERF_HPP__MAX_INDEX);
+ perf_hpp__column_unregister(&perf_hpp__format[col]);
+}
+
+void perf_hpp__cancel_cumulate(void)
+{
+ if (is_strict_order(field_order))
+ return;
+
+ perf_hpp__column_disable(PERF_HPP__OVERHEAD_ACC);
+ perf_hpp__format[PERF_HPP__OVERHEAD].name = "Overhead";
+}
+
+void perf_hpp__setup_output_field(void)
+{
+ struct perf_hpp_fmt *fmt;
+
+ /* append sort keys to output field */
+ perf_hpp__for_each_sort_list(fmt) {
+ if (!list_empty(&fmt->list))
+ continue;
+
+ /*
+ * sort entry fields are dynamically created,
+ * so they can share a same sort key even though
+ * the list is empty.
+ */
+ if (perf_hpp__is_sort_entry(fmt)) {
+ struct perf_hpp_fmt *pos;
+
+ perf_hpp__for_each_format(pos) {
+ if (perf_hpp__same_sort_entry(pos, fmt))
+ goto next;
+ }
+ }
+
+ perf_hpp__column_register(fmt);
+next:
+ continue;
+ }
+}
+
+void perf_hpp__append_sort_keys(void)
+{
+ struct perf_hpp_fmt *fmt;
+
+ /* append output fields to sort keys */
+ perf_hpp__for_each_format(fmt) {
+ if (!list_empty(&fmt->sort_list))
+ continue;
+
+ /*
+ * sort entry fields are dynamically created,
+ * so they can share a same sort key even though
+ * the list is empty.
+ */
+ if (perf_hpp__is_sort_entry(fmt)) {
+ struct perf_hpp_fmt *pos;
+
+ perf_hpp__for_each_sort_list(pos) {
+ if (perf_hpp__same_sort_entry(pos, fmt))
+ goto next;
+ }
+ }
+
+ perf_hpp__register_sort_field(fmt);
+next:
+ continue;
+ }
+}
+
+void perf_hpp__reset_output_field(void)
+{
+ struct perf_hpp_fmt *fmt, *tmp;
+
+ /* reset output fields */
+ perf_hpp__for_each_format_safe(fmt, tmp) {
+ list_del_init(&fmt->list);
+ list_del_init(&fmt->sort_list);
+ }
+
+ /* reset sort keys */
+ perf_hpp__for_each_sort_list_safe(fmt, tmp) {
+ list_del_init(&fmt->list);
+ list_del_init(&fmt->sort_list);
+ }
+}
+
+/*
+ * See hists__fprintf to match the column widths
+ */
+unsigned int hists__sort_list_width(struct hists *hists)
+{
+ struct perf_hpp_fmt *fmt;
+ int ret = 0;
+ bool first = true;
+ struct perf_hpp dummy_hpp;
+
+ perf_hpp__for_each_format(fmt) {
+ if (perf_hpp__should_skip(fmt))
+ continue;
+
+ if (first)
+ first = false;
+ else
+ ret += 2;
+
+ ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
+ }
+
+ if (verbose && sort__has_sym) /* Addr + origin */
+ ret += 3 + BITS_PER_LONG / 4;
+
+ return ret;
+}
+
+void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
+{
+ int idx;
+
+ if (perf_hpp__is_sort_entry(fmt))
+ return perf_hpp__reset_sort_width(fmt, hists);
+
+ for (idx = 0; idx < PERF_HPP__MAX_INDEX; idx++) {
+ if (fmt == &perf_hpp__format[idx])
+ break;
+ }
+
+ if (idx == PERF_HPP__MAX_INDEX)
+ return;
+
+ switch (idx) {
+ case PERF_HPP__OVERHEAD:
+ case PERF_HPP__OVERHEAD_SYS:
+ case PERF_HPP__OVERHEAD_US:
+ case PERF_HPP__OVERHEAD_ACC:
+ fmt->len = 8;
+ break;
+
+ case PERF_HPP__OVERHEAD_GUEST_SYS:
+ case PERF_HPP__OVERHEAD_GUEST_US:
+ fmt->len = 9;
+ break;
+
+ case PERF_HPP__SAMPLES:
+ case PERF_HPP__PERIOD:
+ fmt->len = 12;
+ break;
+
+ default:
+ break;
+ }
+}
+
+void perf_hpp__set_user_width(const char *width_list_str)
+{
+ struct perf_hpp_fmt *fmt;
+ const char *ptr = width_list_str;
+
+ perf_hpp__for_each_format(fmt) {
+ char *p;
+
+ int len = strtol(ptr, &p, 10);
+ fmt->user_len = len;
+
+ if (*p == ',')
+ ptr = p + 1;
+ else
+ break;
+ }
+}