1 files changed, 390 insertions, 0 deletions

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
new file mode 100644
index 000000000000..e3f8cd46e7d7
--- /dev/null
+++ b/tools/perf/ui/hist.c
@@ -0,0 +1,390 @@
+#include <math.h>
+
+#include "../util/hist.h"
+#include "../util/util.h"
+#include "../util/sort.h"
+
+
+/* hist period print (hpp) functions */
+static int hpp__header_overhead(struct perf_hpp *hpp)
+{
+        const char *fmt = hpp->ptr ? "Baseline" : "Overhead";
+
+        return scnprintf(hpp->buf, hpp->size, fmt);
+}
+
+static int hpp__width_overhead(struct perf_hpp *hpp __maybe_unused)
+{
+        return 8;
+}
+
+static int hpp__color_overhead(struct perf_hpp *hpp, struct hist_entry *he)
+{
+        double percent = 100.0 * he->period / hpp->total_period;
+
+        if (hpp->ptr) {
+                struct hists *old_hists = hpp->ptr;
+                u64 total_period = old_hists->stats.total_period;
+                u64 base_period = he->pair ? he->pair->period : 0;
+
+                if (total_period)
+                        percent = 100.0 * base_period / total_period;
+                else
+                        percent = 0.0;
+        }
+
+        return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
+}
+
+static int hpp__entry_overhead(struct perf_hpp *hpp, struct hist_entry *he)
+{
+        double percent = 100.0 * he->period / hpp->total_period;
+        const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%";
+
+        if (hpp->ptr) {
+                struct hists *old_hists = hpp->ptr;
+                u64 total_period = old_hists->stats.total_period;
+                u64 base_period = he->pair ? he->pair->period : 0;
+
+                if (total_period)
+                        percent = 100.0 * base_period / total_period;
+                else
+                        percent = 0.0;
+        }
+
+        return scnprintf(hpp->buf, hpp->size, fmt, percent);
+}
+
+static int hpp__header_overhead_sys(struct perf_hpp *hpp)
+{
+        const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
+
+        return scnprintf(hpp->buf, hpp->size, fmt, "sys");
+}
+
+static int hpp__width_overhead_sys(struct perf_hpp *hpp __maybe_unused)
+{
+        return 7;
+}
+
+static int hpp__color_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
+{
+        double percent = 100.0 * he->period_sys / hpp->total_period;
+        return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
+}
+
+static int hpp__entry_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
+{
+        double percent = 100.0 * he->period_sys / hpp->total_period;
+        const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";
+
+        return scnprintf(hpp->buf, hpp->size, fmt, percent);
+}
+
+static int hpp__header_overhead_us(struct perf_hpp *hpp)
+{
+        const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
+
+        return scnprintf(hpp->buf, hpp->size, fmt, "user");
+}
+
+static int hpp__width_overhead_us(struct perf_hpp *hpp __maybe_unused)
+{
+        return 7;
+}
+
+static int hpp__color_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
+{
+        double percent = 100.0 * he->period_us / hpp->total_period;
+        return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
+}
+
+static int hpp__entry_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
+{
+        double percent = 100.0 * he->period_us / hpp->total_period;
+        const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";
+
+        return scnprintf(hpp->buf, hpp->size, fmt, percent);
+}
+
+static int hpp__header_overhead_guest_sys(struct perf_hpp *hpp)
+{
+        return scnprintf(hpp->buf, hpp->size, "guest sys");
+}
+
+static int hpp__width_overhead_guest_sys(struct perf_hpp *hpp __maybe_unused)
+{
+        return 9;
+}
+
+static int hpp__color_overhead_guest_sys(struct perf_hpp *hpp,
+                                         struct hist_entry *he)
+{
+        double percent = 100.0 * he->period_guest_sys / hpp->total_period;
+        return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
+}
+
+static int hpp__entry_overhead_guest_sys(struct perf_hpp *hpp,
+                                         struct hist_entry *he)
+{
+        double percent = 100.0 * he->period_guest_sys / hpp->total_period;
+        const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";
+
+        return scnprintf(hpp->buf, hpp->size, fmt, percent);
+}
+
+static int hpp__header_overhead_guest_us(struct perf_hpp *hpp)
+{
+        return scnprintf(hpp->buf, hpp->size, "guest usr");
+}
+
+static int hpp__width_overhead_guest_us(struct perf_hpp *hpp __maybe_unused)
+{
+        return 9;
+}
+
+static int hpp__color_overhead_guest_us(struct perf_hpp *hpp,
+                                        struct hist_entry *he)
+{
+        double percent = 100.0 * he->period_guest_us / hpp->total_period;
+        return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
+}
+
+static int hpp__entry_overhead_guest_us(struct perf_hpp *hpp,
+                                        struct hist_entry *he)
+{
+        double percent = 100.0 * he->period_guest_us / hpp->total_period;
+        const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";
+
+        return scnprintf(hpp->buf, hpp->size, fmt, percent);
+}
+
+static int hpp__header_samples(struct perf_hpp *hpp)
+{
+        const char *fmt = symbol_conf.field_sep ? "%s" : "%11s";
+
+        return scnprintf(hpp->buf, hpp->size, fmt, "Samples");
+}
+
+static int hpp__width_samples(struct perf_hpp *hpp __maybe_unused)
+{
+        return 11;
+}
+
+static int hpp__entry_samples(struct perf_hpp *hpp, struct hist_entry *he)
+{
+        const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%11" PRIu64;
+
+        return scnprintf(hpp->buf, hpp->size, fmt, he->nr_events);
+}
+
+static int hpp__header_period(struct perf_hpp *hpp)
+{
+        const char *fmt = symbol_conf.field_sep ? "%s" : "%12s";
+
+        return scnprintf(hpp->buf, hpp->size, fmt, "Period");
+}
+
+static int hpp__width_period(struct perf_hpp *hpp __maybe_unused)
+{
+        return 12;
+}
+
+static int hpp__entry_period(struct perf_hpp *hpp, struct hist_entry *he)
+{
+        const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64;
+
+        return scnprintf(hpp->buf, hpp->size, fmt, he->period);
+}
+
+static int hpp__header_delta(struct perf_hpp *hpp)
+{
+        const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
+
+        return scnprintf(hpp->buf, hpp->size, fmt, "Delta");
+}
+
+static int hpp__width_delta(struct perf_hpp *hpp __maybe_unused)
+{
+        return 7;
+}
+
+static int hpp__entry_delta(struct perf_hpp *hpp, struct hist_entry *he)
+{
+        struct hists *pair_hists = hpp->ptr;
+        u64 old_total, new_total;
+        double old_percent = 0, new_percent = 0;
+        double diff;
+        const char *fmt = symbol_conf.field_sep ? "%s" : "%7.7s";
+        char buf[32] = " ";
+
+        old_total = pair_hists->stats.total_period;
+        if (old_total > 0 && he->pair)
+                old_percent = 100.0 * he->pair->period / old_total;
+
+        new_total = hpp->total_period;
+        if (new_total > 0)
+                new_percent = 100.0 * he->period / new_total;
+
+        diff = new_percent - old_percent;
+        if (fabs(diff) >= 0.01)
+                scnprintf(buf, sizeof(buf), "%+4.2F%%", diff);
+
+        return scnprintf(hpp->buf, hpp->size, fmt, buf);
+}
+
+static int hpp__header_displ(struct perf_hpp *hpp)
+{
+        return scnprintf(hpp->buf, hpp->size, "Displ.");
+}
+
+static int hpp__width_displ(struct perf_hpp *hpp __maybe_unused)
+{
+        return 6;
+}
+
+static int hpp__entry_displ(struct perf_hpp *hpp,
+                            struct hist_entry *he __maybe_unused)
+{
+        const char *fmt = symbol_conf.field_sep ? "%s" : "%6.6s";
+        char buf[32] = " ";
+
+        if (hpp->displacement)
+                scnprintf(buf, sizeof(buf), "%+4ld", hpp->displacement);
+
+        return scnprintf(hpp->buf, hpp->size, fmt, buf);
+}
+
+#define HPP__COLOR_PRINT_FNS(_name)             \
+        .header = hpp__header_ ## _name,                \
+        .width  = hpp__width_ ## _name,         \
+        .color  = hpp__color_ ## _name,         \
+        .entry  = hpp__entry_ ## _name
+
+#define HPP__PRINT_FNS(_name)                   \
+        .header = hpp__header_ ## _name,                \
+        .width  = hpp__width_ ## _name,         \
+        .entry  = hpp__entry_ ## _name
+
+struct perf_hpp_fmt perf_hpp__format[] = {
+        { .cond = true,  HPP__COLOR_PRINT_FNS(overhead) },
+        { .cond = false, HPP__COLOR_PRINT_FNS(overhead_sys) },
+        { .cond = false, HPP__COLOR_PRINT_FNS(overhead_us) },
+        { .cond = false, HPP__COLOR_PRINT_FNS(overhead_guest_sys) },
+        { .cond = false, HPP__COLOR_PRINT_FNS(overhead_guest_us) },
+        { .cond = false, HPP__PRINT_FNS(samples) },
+        { .cond = false, HPP__PRINT_FNS(period) },
+        { .cond = false, HPP__PRINT_FNS(delta) },
+        { .cond = false, HPP__PRINT_FNS(displ) }
+};
+
+#undef HPP__COLOR_PRINT_FNS
+#undef HPP__PRINT_FNS
+
+void perf_hpp__init(bool need_pair, bool show_displacement)
+{
+        if (symbol_conf.show_cpu_utilization) {
+                perf_hpp__format[PERF_HPP__OVERHEAD_SYS].cond = true;
+                perf_hpp__format[PERF_HPP__OVERHEAD_US].cond = true;
+
+                if (perf_guest) {
+                        perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].cond = true;
+                        perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].cond = true;
+                }
+        }
+
+        if (symbol_conf.show_nr_samples)
+                perf_hpp__format[PERF_HPP__SAMPLES].cond = true;
+
+        if (symbol_conf.show_total_period)
+                perf_hpp__format[PERF_HPP__PERIOD].cond = true;
+
+        if (need_pair) {
+                perf_hpp__format[PERF_HPP__DELTA].cond = true;
+
+                if (show_displacement)
+                        perf_hpp__format[PERF_HPP__DISPL].cond = true;
+        }
+}
+
+static inline void advance_hpp(struct perf_hpp *hpp, int inc)
+{
+        hpp->buf  += inc;
+        hpp->size -= inc;
+}
+
+int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he,
+                                bool color)
+{
+        const char *sep = symbol_conf.field_sep;
+        char *start = hpp->buf;
+        int i, ret;
+
+        if (symbol_conf.exclude_other && !he->parent)
+                return 0;
+
+        for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
+                if (!perf_hpp__format[i].cond)
+                        continue;
+
+                if (!sep || i > 0) {
+                        ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: "  ");
+                        advance_hpp(hpp, ret);
+                }
+
+                if (color && perf_hpp__format[i].color)
+                        ret = perf_hpp__format[i].color(hpp, he);
+                else
+                        ret = perf_hpp__format[i].entry(hpp, he);
+
+                advance_hpp(hpp, ret);
+        }
+
+        return hpp->buf - start;
+}
+
+int hist_entry__sort_snprintf(struct hist_entry *he, char *s, size_t size,
+                              struct hists *hists)
+{
+        const char *sep = symbol_conf.field_sep;
+        struct sort_entry *se;
+        int ret = 0;
+
+        list_for_each_entry(se, &hist_entry__sort_list, list) {
+                if (se->elide)
+                        continue;
+
+                ret += scnprintf(s + ret, size - ret, "%s", sep ?: "  ");
+                ret += se->se_snprintf(he, s + ret, size - ret,
+                                       hists__col_len(hists, se->se_width_idx));
+        }
+
+        return ret;
+}
+
+/*
+ * See hists__fprintf to match the column widths
+ */
+unsigned int hists__sort_list_width(struct hists *hists)
+{
+        struct sort_entry *se;
+        int i, ret = 0;
+
+        for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
+                if (!perf_hpp__format[i].cond)
+                        continue;
+                if (i)
+                        ret += 2;
+
+                ret += perf_hpp__format[i].width(NULL);
+        }
+
+        list_for_each_entry(se, &hist_entry__sort_list, list)
+                if (!se->elide)
+                        ret += 2 + hists__col_len(hists, se->se_width_idx);
+
+        if (verbose) /* Addr + origin */
+                ret += 3 + BITS_PER_LONG / 4;
+
+        return ret;
+}