v4.19.13 snapshot.
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
new file mode 100644
index 0000000..fe3dfaa
--- /dev/null
+++ b/tools/perf/ui/hist.c
@@ -0,0 +1,822 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <inttypes.h>
+#include <math.h>
+#include <linux/compiler.h>
+
+#include "../util/hist.h"
+#include "../util/util.h"
+#include "../util/sort.h"
+#include "../util/evsel.h"
+#include "../util/evlist.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 || !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
+ return 0;
+
+ ret = b->callchain->max_depth - a->callchain->max_depth;
+ if (callchain_param.order == ORDER_CALLER)
+ ret = -ret;
+ }
+ return ret;
+}
+
+static int hpp__width_fn(struct perf_hpp_fmt *fmt,
+ struct perf_hpp *hpp __maybe_unused,
+ struct hists *hists)
+{
+ int len = fmt->user_len ?: fmt->len;
+ struct perf_evsel *evsel = hists_to_evsel(hists);
+
+ 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 hists *hists, int line __maybe_unused,
+ int *span __maybe_unused)
+{
+ int len = hpp__width_fn(fmt, hpp, hists);
+ return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
+}
+
+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;
+}
+
+static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
+{
+ return a->header == hpp__header_fn;
+}
+
+static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
+{
+ if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
+ return false;
+
+ return a->idx == b->idx;
+}
+
+#define HPP__COLOR_PRINT_FNS(_name, _fn, _idx) \
+ { \
+ .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, \
+ .idx = PERF_HPP__ ## _idx, \
+ .equal = hpp__equal, \
+ }
+
+#define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx) \
+ { \
+ .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, \
+ .idx = PERF_HPP__ ## _idx, \
+ .equal = hpp__equal, \
+ }
+
+#define HPP__PRINT_FNS(_name, _fn, _idx) \
+ { \
+ .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, \
+ .idx = PERF_HPP__ ## _idx, \
+ .equal = hpp__equal, \
+ }
+
+struct perf_hpp_fmt perf_hpp__format[] = {
+ HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
+ HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
+ HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
+ HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
+ HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
+ HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
+ HPP__PRINT_FNS("Samples", samples, SAMPLES),
+ HPP__PRINT_FNS("Period", period, PERIOD)
+};
+
+struct perf_hpp_list perf_hpp_list = {
+ .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
+ .sorts = LIST_HEAD_INIT(perf_hpp_list.sorts),
+ .nr_header_lines = 1,
+};
+
+#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)
+{
+ 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) {
+ hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
+ perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
+ }
+
+ hpp_dimension__add_output(PERF_HPP__OVERHEAD);
+
+ if (symbol_conf.show_cpu_utilization) {
+ hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
+ hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
+
+ if (perf_guest) {
+ hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
+ hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
+ }
+ }
+
+ if (symbol_conf.show_nr_samples)
+ hpp_dimension__add_output(PERF_HPP__SAMPLES);
+
+ if (symbol_conf.show_total_period)
+ hpp_dimension__add_output(PERF_HPP__PERIOD);
+}
+
+void perf_hpp_list__column_register(struct perf_hpp_list *list,
+ struct perf_hpp_fmt *format)
+{
+ list_add_tail(&format->list, &list->fields);
+}
+
+void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
+ struct perf_hpp_fmt *format)
+{
+ list_add_tail(&format->sort_list, &list->sorts);
+}
+
+void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
+ struct perf_hpp_fmt *format)
+{
+ list_add(&format->sort_list, &list->sorts);
+}
+
+void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
+{
+ list_del_init(&format->list);
+}
+
+void perf_hpp__cancel_cumulate(void)
+{
+ struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
+
+ if (is_strict_order(field_order))
+ return;
+
+ ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
+ acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
+
+ perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
+ if (acc->equal(acc, fmt)) {
+ perf_hpp__column_unregister(fmt);
+ continue;
+ }
+
+ if (ovh->equal(ovh, fmt))
+ fmt->name = "Overhead";
+ }
+}
+
+static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
+{
+ return a->equal && a->equal(a, b);
+}
+
+void perf_hpp__setup_output_field(struct perf_hpp_list *list)
+{
+ struct perf_hpp_fmt *fmt;
+
+ /* append sort keys to output field */
+ perf_hpp_list__for_each_sort_list(list, fmt) {
+ struct perf_hpp_fmt *pos;
+
+ /* skip sort-only fields ("sort_compute" in perf diff) */
+ if (!fmt->entry && !fmt->color)
+ continue;
+
+ perf_hpp_list__for_each_format(list, pos) {
+ if (fmt_equal(fmt, pos))
+ goto next;
+ }
+
+ perf_hpp__column_register(fmt);
+next:
+ continue;
+ }
+}
+
+void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
+{
+ struct perf_hpp_fmt *fmt;
+
+ /* append output fields to sort keys */
+ perf_hpp_list__for_each_format(list, fmt) {
+ struct perf_hpp_fmt *pos;
+
+ perf_hpp_list__for_each_sort_list(list, pos) {
+ if (fmt_equal(fmt, pos))
+ goto next;
+ }
+
+ perf_hpp__register_sort_field(fmt);
+next:
+ continue;
+ }
+}
+
+
+static void fmt_free(struct perf_hpp_fmt *fmt)
+{
+ /*
+ * At this point fmt should be completely
+ * unhooked, if not it's a bug.
+ */
+ BUG_ON(!list_empty(&fmt->list));
+ BUG_ON(!list_empty(&fmt->sort_list));
+
+ if (fmt->free)
+ fmt->free(fmt);
+}
+
+void perf_hpp__reset_output_field(struct perf_hpp_list *list)
+{
+ struct perf_hpp_fmt *fmt, *tmp;
+
+ /* reset output fields */
+ perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
+ list_del_init(&fmt->list);
+ list_del_init(&fmt->sort_list);
+ fmt_free(fmt);
+ }
+
+ /* reset sort keys */
+ perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
+ list_del_init(&fmt->list);
+ list_del_init(&fmt->sort_list);
+ fmt_free(fmt);
+ }
+}
+
+/*
+ * 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;
+
+ hists__for_each_format(hists, fmt) {
+ if (perf_hpp__should_skip(fmt, hists))
+ continue;
+
+ if (first)
+ first = false;
+ else
+ ret += 2;
+
+ ret += fmt->width(fmt, &dummy_hpp, hists);
+ }
+
+ if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
+ ret += 3 + BITS_PER_LONG / 4;
+
+ return ret;
+}
+
+unsigned int hists__overhead_width(struct hists *hists)
+{
+ struct perf_hpp_fmt *fmt;
+ int ret = 0;
+ bool first = true;
+ struct perf_hpp dummy_hpp;
+
+ hists__for_each_format(hists, fmt) {
+ if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
+ break;
+
+ if (first)
+ first = false;
+ else
+ ret += 2;
+
+ ret += fmt->width(fmt, &dummy_hpp, hists);
+ }
+
+ return ret;
+}
+
+void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
+{
+ if (perf_hpp__is_sort_entry(fmt))
+ return perf_hpp__reset_sort_width(fmt, hists);
+
+ if (perf_hpp__is_dynamic_entry(fmt))
+ return;
+
+ BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
+
+ switch (fmt->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 hists__reset_column_width(struct hists *hists)
+{
+ struct perf_hpp_fmt *fmt;
+ struct perf_hpp_list_node *node;
+
+ hists__for_each_format(hists, fmt)
+ perf_hpp__reset_width(fmt, hists);
+
+ /* hierarchy entries have their own hpp list */
+ list_for_each_entry(node, &hists->hpp_formats, list) {
+ perf_hpp_list__for_each_format(&node->hpp, fmt)
+ perf_hpp__reset_width(fmt, hists);
+ }
+}
+
+void perf_hpp__set_user_width(const char *width_list_str)
+{
+ struct perf_hpp_fmt *fmt;
+ const char *ptr = width_list_str;
+
+ perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
+ char *p;
+
+ int len = strtol(ptr, &p, 10);
+ fmt->user_len = len;
+
+ if (*p == ',')
+ ptr = p + 1;
+ else
+ break;
+ }
+}
+
+static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
+{
+ struct perf_hpp_list_node *node = NULL;
+ struct perf_hpp_fmt *fmt_copy;
+ bool found = false;
+ bool skip = perf_hpp__should_skip(fmt, hists);
+
+ list_for_each_entry(node, &hists->hpp_formats, list) {
+ if (node->level == fmt->level) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ node = malloc(sizeof(*node));
+ if (node == NULL)
+ return -1;
+
+ node->skip = skip;
+ node->level = fmt->level;
+ perf_hpp_list__init(&node->hpp);
+
+ hists->nr_hpp_node++;
+ list_add_tail(&node->list, &hists->hpp_formats);
+ }
+
+ fmt_copy = perf_hpp_fmt__dup(fmt);
+ if (fmt_copy == NULL)
+ return -1;
+
+ if (!skip)
+ node->skip = false;
+
+ list_add_tail(&fmt_copy->list, &node->hpp.fields);
+ list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
+
+ return 0;
+}
+
+int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
+ struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+ struct perf_hpp_fmt *fmt;
+ struct hists *hists;
+ int ret;
+
+ if (!symbol_conf.report_hierarchy)
+ return 0;
+
+ evlist__for_each_entry(evlist, evsel) {
+ hists = evsel__hists(evsel);
+
+ perf_hpp_list__for_each_sort_list(list, fmt) {
+ if (perf_hpp__is_dynamic_entry(fmt) &&
+ !perf_hpp__defined_dynamic_entry(fmt, hists))
+ continue;
+
+ ret = add_hierarchy_fmt(hists, fmt);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ return 0;
+}