1 files changed, 145 insertions, 69 deletions

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 784ee0bdda77..e7263d49bcf0 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -5,11 +5,61 @@
 #include "sort.h"
 #include <math.h>
 
+enum hist_filter {
+        HIST_FILTER__DSO,
+        HIST_FILTER__THREAD,
+        HIST_FILTER__PARENT,
+};
+
 struct callchain_param  callchain_param = {
         .mode   = CHAIN_GRAPH_REL,
         .min_percent = 0.5
 };
 
+u16 hists__col_len(struct hists *self, enum hist_column col)
+{
+        return self->col_len[col];
+}
+
+void hists__set_col_len(struct hists *self, enum hist_column col, u16 len)
+{
+        self->col_len[col] = len;
+}
+
+bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len)
+{
+        if (len > hists__col_len(self, col)) {
+                hists__set_col_len(self, col, len);
+                return true;
+        }
+        return false;
+}
+
+static void hists__reset_col_len(struct hists *self)
+{
+        enum hist_column col;
+
+        for (col = 0; col < HISTC_NR_COLS; ++col)
+                hists__set_col_len(self, col, 0);
+}
+
+static void hists__calc_col_len(struct hists *self, struct hist_entry *h)
+{
+        u16 len;
+
+        if (h->ms.sym)
+                hists__new_col_len(self, HISTC_SYMBOL, h->ms.sym->namelen);
+
+        len = thread__comm_len(h->thread);
+        if (hists__new_col_len(self, HISTC_COMM, len))
+                hists__set_col_len(self, HISTC_THREAD, len + 6);
+
+        if (h->ms.map) {
+                len = dso__name_len(h->ms.map->dso);
+                hists__new_col_len(self, HISTC_DSO, len);
+        }
+}
+
 static void hist_entry__add_cpumode_period(struct hist_entry *self,
                                            unsigned int cpumode, u64 period)
 {
@@ -43,6 +93,8 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template)
         if (self != NULL) {
                 *self = *template;
                 self->nr_events = 1;
+                if (self->ms.map)
+                        self->ms.map->referenced = true;
                 if (symbol_conf.use_callchain)
                         callchain_init(self->callchain);
         }
@@ -50,11 +102,19 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template)
         return self;
 }
 
-static void hists__inc_nr_entries(struct hists *self, struct hist_entry *entry)
+static void hists__inc_nr_entries(struct hists *self, struct hist_entry *h)
 {
-        if (entry->ms.sym && self->max_sym_namelen < entry->ms.sym->namelen)
-                self->max_sym_namelen = entry->ms.sym->namelen;
-        ++self->nr_entries;
+        if (!h->filtered) {
+                hists__calc_col_len(self, h);
+                ++self->nr_entries;
+        }
+}
+
+static u8 symbol__parent_filter(const struct symbol *parent)
+{
+        if (symbol_conf.exclude_other && parent == NULL)
+                return 1 << HIST_FILTER__PARENT;
+        return 0;
 }
 
 struct hist_entry *__hists__add_entry(struct hists *self,
@@ -70,10 +130,12 @@ struct hist_entry *__hists__add_entry(struct hists *self,
                         .map    = al->map,
                         .sym    = al->sym,
                 },
+                .cpu    = al->cpu,
                 .ip     = al->addr,
                 .level  = al->level,
                 .period = period,
                 .parent = sym_parent,
+                .filtered = symbol__parent_filter(sym_parent),
         };
         int cmp;
 
@@ -191,7 +253,7 @@ void hists__collapse_resort(struct hists *self)
         tmp = RB_ROOT;
         next = rb_first(&self->entries);
         self->nr_entries = 0;
-        self->max_sym_namelen = 0;
+        hists__reset_col_len(self);
 
         while (next) {
                 n = rb_entry(next, struct hist_entry, rb_node);
@@ -248,7 +310,7 @@ void hists__output_resort(struct hists *self)
         next = rb_first(&self->entries);
 
         self->nr_entries = 0;
-        self->max_sym_namelen = 0;
+        hists__reset_col_len(self);
 
         while (next) {
                 n = rb_entry(next, struct hist_entry, rb_node);
@@ -515,8 +577,9 @@ static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
 }
 
 int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
-                         struct hists *pair_hists, bool show_displacement,
-                         long displacement, bool color, u64 session_total)
+                         struct hists *hists, struct hists *pair_hists,
+                         bool show_displacement, long displacement,
+                         bool color, u64 session_total)
 {
         struct sort_entry *se;
         u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us;
@@ -620,29 +683,25 @@ int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
 
                 ret += snprintf(s + ret, size - ret, "%s", sep ?: "  ");
                 ret += se->se_snprintf(self, s + ret, size - ret,
-                                       se->se_width ? *se->se_width : 0);
+                                       hists__col_len(hists, se->se_width_idx));
         }
 
         return ret;
 }
 
-int hist_entry__fprintf(struct hist_entry *self, struct hists *pair_hists,
-                        bool show_displacement, long displacement, FILE *fp,
-                        u64 session_total)
+int hist_entry__fprintf(struct hist_entry *self, struct hists *hists,
+                        struct hists *pair_hists, bool show_displacement,
+                        long displacement, FILE *fp, u64 session_total)
 {
         char bf[512];
-        int ret;
-
-        ret = hist_entry__snprintf(self, bf, sizeof(bf), pair_hists,
-                                   show_displacement, displacement,
-                                   true, session_total);
-        if (!ret)
-                return 0;
-
+        hist_entry__snprintf(self, bf, sizeof(bf), hists, pair_hists,
+                             show_displacement, displacement,
+                             true, session_total);
         return fprintf(fp, "%s\n", bf);
 }
 
-static size_t hist_entry__fprintf_callchain(struct hist_entry *self, FILE *fp,
+static size_t hist_entry__fprintf_callchain(struct hist_entry *self,
+                                            struct hists *hists, FILE *fp,
                                             u64 session_total)
 {
         int left_margin = 0;
@@ -650,7 +709,7 @@ static size_t hist_entry__fprintf_callchain(struct hist_entry *self, FILE *fp,
         if (sort__first_dimension == SORT_COMM) {
                 struct sort_entry *se = list_first_entry(&hist_entry__sort_list,
                                                          typeof(*se), list);
-                left_margin = se->se_width ? *se->se_width : 0;
+                left_margin = hists__col_len(hists, se->se_width_idx);
                 left_margin -= thread__comm_len(self->thread);
         }
 
@@ -721,17 +780,17 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
                         continue;
                 }
                 width = strlen(se->se_header);
-                if (se->se_width) {
-                        if (symbol_conf.col_width_list_str) {
-                                if (col_width) {
-                                        *se->se_width = atoi(col_width);
-                                        col_width = strchr(col_width, ',');
-                                        if (col_width)
-                                                ++col_width;
-                                }
+                if (symbol_conf.col_width_list_str) {
+                        if (col_width) {
+                                hists__set_col_len(self, se->se_width_idx,
+                                                   atoi(col_width));
+                                col_width = strchr(col_width, ',');
+                                if (col_width)
+                                        ++col_width;
                         }
-                        width = *se->se_width = max(*se->se_width, width);
                 }
+                if (!hists__new_col_len(self, se->se_width_idx, width))
+                        width = hists__col_len(self, se->se_width_idx);
                 fprintf(fp, "  %*s", width, se->se_header);
         }
         fprintf(fp, "\n");
@@ -754,9 +813,8 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
                         continue;
 
                 fprintf(fp, "  ");
-                if (se->se_width)
-                        width = *se->se_width;
-                else
+                width = hists__col_len(self, se->se_width_idx);
+                if (width == 0)
                         width = strlen(se->se_header);
                 for (i = 0; i < width; i++)
                         fprintf(fp, ".");
@@ -767,7 +825,6 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
 print_entries:
         for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
                 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
-                int cnt;
 
                 if (show_displacement) {
                         if (h->pair != NULL)
@@ -777,17 +834,12 @@ print_entries:
                                 displacement = 0;
                         ++position;
                 }
-                cnt = hist_entry__fprintf(h, pair, show_displacement,
-                                          displacement, fp, self->stats.total_period);
-                /* Ignore those that didn't match the parent filter */
-                if (!cnt)
-                        continue;
-
-                ret += cnt;
+                ret += hist_entry__fprintf(h, self, pair, show_displacement,
+                                           displacement, fp, self->stats.total_period);
 
                 if (symbol_conf.use_callchain)
-                        ret += hist_entry__fprintf_callchain(h, fp, self->stats.total_period);
-
+                        ret += hist_entry__fprintf_callchain(h, self, fp,
+                                                             self->stats.total_period);
                 if (h->ms.map == NULL && verbose > 1) {
                         __map_groups__fprintf_maps(&h->thread->mg,
                                                    MAP__FUNCTION, verbose, fp);
@@ -800,10 +852,49 @@ print_entries:
         return ret;
 }
 
-enum hist_filter {
-        HIST_FILTER__DSO,
-        HIST_FILTER__THREAD,
-};
+/*
+ * See hists__fprintf to match the column widths
+ */
+unsigned int hists__sort_list_width(struct hists *self)
+{
+        struct sort_entry *se;
+        int ret = 9; /* total % */
+
+        if (symbol_conf.show_cpu_utilization) {
+                ret += 7; /* count_sys % */
+                ret += 6; /* count_us % */
+                if (perf_guest) {
+                        ret += 13; /* count_guest_sys % */
+                        ret += 12; /* count_guest_us % */
+                }
+        }
+
+        if (symbol_conf.show_nr_samples)
+                ret += 11;
+
+        list_for_each_entry(se, &hist_entry__sort_list, list)
+                if (!se->elide)
+                        ret += 2 + hists__col_len(self, se->se_width_idx);
+
+        return ret;
+}
+
+static void hists__remove_entry_filter(struct hists *self, struct hist_entry *h,
+                                       enum hist_filter filter)
+{
+        h->filtered &= ~(1 << filter);
+        if (h->filtered)
+                return;
+
+        ++self->nr_entries;
+        if (h->ms.unfolded)
+                self->nr_entries += h->nr_rows;
+        h->row_offset = 0;
+        self->stats.total_period += h->period;
+        self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
+
+        hists__calc_col_len(self, h);
+}
 
 void hists__filter_by_dso(struct hists *self, const struct dso *dso)
 {
@@ -811,7 +902,7 @@ void hists__filter_by_dso(struct hists *self, const struct dso *dso)
 
         self->nr_entries = self->stats.total_period = 0;
         self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
-        self->max_sym_namelen = 0;
+        hists__reset_col_len(self);
 
         for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
                 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
@@ -824,15 +915,7 @@ void hists__filter_by_dso(struct hists *self, const struct dso *dso)
                         continue;
                 }
 
-                h->filtered &= ~(1 << HIST_FILTER__DSO);
-                if (!h->filtered) {
-                        ++self->nr_entries;
-                        self->stats.total_period += h->period;
-                        self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
-                        if (h->ms.sym &&
-                            self->max_sym_namelen < h->ms.sym->namelen)
-                                self->max_sym_namelen = h->ms.sym->namelen;
-                }
+                hists__remove_entry_filter(self, h, HIST_FILTER__DSO);
         }
 }
 
@@ -842,7 +925,7 @@ void hists__filter_by_thread(struct hists *self, const struct thread *thread)
 
         self->nr_entries = self->stats.total_period = 0;
         self->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
-        self->max_sym_namelen = 0;
+        hists__reset_col_len(self);
 
         for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
                 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
@@ -851,15 +934,8 @@ void hists__filter_by_thread(struct hists *self, const struct thread *thread)
                         h->filtered |= (1 << HIST_FILTER__THREAD);
                         continue;
                 }
-                h->filtered &= ~(1 << HIST_FILTER__THREAD);
-                if (!h->filtered) {
-                        ++self->nr_entries;
-                        self->stats.total_period += h->period;
-                        self->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
-                        if (h->ms.sym &&
-                            self->max_sym_namelen < h->ms.sym->namelen)
-                                self->max_sym_namelen = h->ms.sym->namelen;
-                }
+
+                hists__remove_entry_filter(self, h, HIST_FILTER__THREAD);
         }
 }
 
@@ -1052,7 +1128,7 @@ fallback:
                  dso, dso->long_name, sym, sym->name);
 
         snprintf(command, sizeof(command),
-                 "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s|expand",
+                 "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS -C %s|grep -v %s|expand",
                  map__rip_2objdump(map, sym->start),
                  map__rip_2objdump(map, sym->end),
                  filename, filename);