Merge branch 'for-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...
[firefly-linux-kernel-4.4.55.git] / tools / perf / ui / browsers / hists.c
index a372a4b026354b4d9f3984bc7fd3b96a5523f95a..53f6697d014e788396b474c6be957893b8fd09ca 100644 (file)
@@ -26,21 +26,21 @@ struct hist_browser {
        bool                 has_symbols;
 };
 
-static int hists__browser_title(struct hists *self, char *bf, size_t size,
+static int hists__browser_title(struct hists *hists, char *bf, size_t size,
                                const char *ev_name);
 
-static void hist_browser__refresh_dimensions(struct hist_browser *self)
+static void hist_browser__refresh_dimensions(struct hist_browser *browser)
 {
        /* 3 == +/- toggle symbol before actual hist_entry rendering */
-       self->b.width = 3 + (hists__sort_list_width(self->hists) +
+       browser->b.width = 3 + (hists__sort_list_width(browser->hists) +
                             sizeof("[k]"));
 }
 
-static void hist_browser__reset(struct hist_browser *self)
+static void hist_browser__reset(struct hist_browser *browser)
 {
-       self->b.nr_entries = self->hists->nr_entries;
-       hist_browser__refresh_dimensions(self);
-       ui_browser__reset_index(&self->b);
+       browser->b.nr_entries = browser->hists->nr_entries;
+       hist_browser__refresh_dimensions(browser);
+       ui_browser__reset_index(&browser->b);
 }
 
 static char tree__folded_sign(bool unfolded)
@@ -48,32 +48,32 @@ static char tree__folded_sign(bool unfolded)
        return unfolded ? '-' : '+';
 }
 
-static char map_symbol__folded(const struct map_symbol *self)
+static char map_symbol__folded(const struct map_symbol *ms)
 {
-       return self->has_children ? tree__folded_sign(self->unfolded) : ' ';
+       return ms->has_children ? tree__folded_sign(ms->unfolded) : ' ';
 }
 
-static char hist_entry__folded(const struct hist_entry *self)
+static char hist_entry__folded(const struct hist_entry *he)
 {
-       return map_symbol__folded(&self->ms);
+       return map_symbol__folded(&he->ms);
 }
 
-static char callchain_list__folded(const struct callchain_list *self)
+static char callchain_list__folded(const struct callchain_list *cl)
 {
-       return map_symbol__folded(&self->ms);
+       return map_symbol__folded(&cl->ms);
 }
 
-static void map_symbol__set_folding(struct map_symbol *self, bool unfold)
+static void map_symbol__set_folding(struct map_symbol *ms, bool unfold)
 {
-       self->unfolded = unfold ? self->has_children : false;
+       ms->unfolded = unfold ? ms->has_children : false;
 }
 
-static int callchain_node__count_rows_rb_tree(struct callchain_node *self)
+static int callchain_node__count_rows_rb_tree(struct callchain_node *node)
 {
        int n = 0;
        struct rb_node *nd;
 
-       for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
+       for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) {
                struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
                struct callchain_list *chain;
                char folded_sign = ' '; /* No children */
@@ -123,23 +123,23 @@ static int callchain__count_rows(struct rb_root *chain)
        return n;
 }
 
-static bool map_symbol__toggle_fold(struct map_symbol *self)
+static bool map_symbol__toggle_fold(struct map_symbol *ms)
 {
-       if (!self)
+       if (!ms)
                return false;
 
-       if (!self->has_children)
+       if (!ms->has_children)
                return false;
 
-       self->unfolded = !self->unfolded;
+       ms->unfolded = !ms->unfolded;
        return true;
 }
 
-static void callchain_node__init_have_children_rb_tree(struct callchain_node *self)
+static void callchain_node__init_have_children_rb_tree(struct callchain_node *node)
 {
-       struct rb_node *nd = rb_first(&self->rb_root);
+       struct rb_node *nd = rb_first(&node->rb_root);
 
-       for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
+       for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) {
                struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
                struct callchain_list *chain;
                bool first = true;
@@ -158,49 +158,49 @@ static void callchain_node__init_have_children_rb_tree(struct callchain_node *se
        }
 }
 
-static void callchain_node__init_have_children(struct callchain_node *self)
+static void callchain_node__init_have_children(struct callchain_node *node)
 {
        struct callchain_list *chain;
 
-       list_for_each_entry(chain, &self->val, list)
-               chain->ms.has_children = !RB_EMPTY_ROOT(&self->rb_root);
+       list_for_each_entry(chain, &node->val, list)
+               chain->ms.has_children = !RB_EMPTY_ROOT(&node->rb_root);
 
-       callchain_node__init_have_children_rb_tree(self);
+       callchain_node__init_have_children_rb_tree(node);
 }
 
-static void callchain__init_have_children(struct rb_root *self)
+static void callchain__init_have_children(struct rb_root *root)
 {
        struct rb_node *nd;
 
-       for (nd = rb_first(self); nd; nd = rb_next(nd)) {
+       for (nd = rb_first(root); nd; nd = rb_next(nd)) {
                struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
                callchain_node__init_have_children(node);
        }
 }
 
-static void hist_entry__init_have_children(struct hist_entry *self)
+static void hist_entry__init_have_children(struct hist_entry *he)
 {
-       if (!self->init_have_children) {
-               self->ms.has_children = !RB_EMPTY_ROOT(&self->sorted_chain);
-               callchain__init_have_children(&self->sorted_chain);
-               self->init_have_children = true;
+       if (!he->init_have_children) {
+               he->ms.has_children = !RB_EMPTY_ROOT(&he->sorted_chain);
+               callchain__init_have_children(&he->sorted_chain);
+               he->init_have_children = true;
        }
 }
 
-static bool hist_browser__toggle_fold(struct hist_browser *self)
+static bool hist_browser__toggle_fold(struct hist_browser *browser)
 {
-       if (map_symbol__toggle_fold(self->selection)) {
-               struct hist_entry *he = self->he_selection;
+       if (map_symbol__toggle_fold(browser->selection)) {
+               struct hist_entry *he = browser->he_selection;
 
                hist_entry__init_have_children(he);
-               self->hists->nr_entries -= he->nr_rows;
+               browser->hists->nr_entries -= he->nr_rows;
 
                if (he->ms.unfolded)
                        he->nr_rows = callchain__count_rows(&he->sorted_chain);
                else
                        he->nr_rows = 0;
-               self->hists->nr_entries += he->nr_rows;
-               self->b.nr_entries = self->hists->nr_entries;
+               browser->hists->nr_entries += he->nr_rows;
+               browser->b.nr_entries = browser->hists->nr_entries;
 
                return true;
        }
@@ -209,12 +209,12 @@ static bool hist_browser__toggle_fold(struct hist_browser *self)
        return false;
 }
 
-static int callchain_node__set_folding_rb_tree(struct callchain_node *self, bool unfold)
+static int callchain_node__set_folding_rb_tree(struct callchain_node *node, bool unfold)
 {
        int n = 0;
        struct rb_node *nd;
 
-       for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
+       for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) {
                struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
                struct callchain_list *chain;
                bool has_children = false;
@@ -263,37 +263,37 @@ static int callchain__set_folding(struct rb_root *chain, bool unfold)
        return n;
 }
 
-static void hist_entry__set_folding(struct hist_entry *self, bool unfold)
+static void hist_entry__set_folding(struct hist_entry *he, bool unfold)
 {
-       hist_entry__init_have_children(self);
-       map_symbol__set_folding(&self->ms, unfold);
+       hist_entry__init_have_children(he);
+       map_symbol__set_folding(&he->ms, unfold);
 
-       if (self->ms.has_children) {
-               int n = callchain__set_folding(&self->sorted_chain, unfold);
-               self->nr_rows = unfold ? n : 0;
+       if (he->ms.has_children) {
+               int n = callchain__set_folding(&he->sorted_chain, unfold);
+               he->nr_rows = unfold ? n : 0;
        } else
-               self->nr_rows = 0;
+               he->nr_rows = 0;
 }
 
-static void hists__set_folding(struct hists *self, bool unfold)
+static void hists__set_folding(struct hists *hists, bool unfold)
 {
        struct rb_node *nd;
 
-       self->nr_entries = 0;
+       hists->nr_entries = 0;
 
-       for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
+       for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
                struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
                hist_entry__set_folding(he, unfold);
-               self->nr_entries += 1 + he->nr_rows;
+               hists->nr_entries += 1 + he->nr_rows;
        }
 }
 
-static void hist_browser__set_folding(struct hist_browser *self, bool unfold)
+static void hist_browser__set_folding(struct hist_browser *browser, bool unfold)
 {
-       hists__set_folding(self->hists, unfold);
-       self->b.nr_entries = self->hists->nr_entries;
+       hists__set_folding(browser->hists, unfold);
+       browser->b.nr_entries = browser->hists->nr_entries;
        /* Go to the start, we may be way after valid entries after a collapse */
-       ui_browser__reset_index(&self->b);
+       ui_browser__reset_index(&browser->b);
 }
 
 static void ui_browser__warn_lost_events(struct ui_browser *browser)
@@ -305,64 +305,64 @@ static void ui_browser__warn_lost_events(struct ui_browser *browser)
                "Or reduce the sampling frequency.");
 }
 
-static int hist_browser__run(struct hist_browser *self, const char *ev_name,
+static int hist_browser__run(struct hist_browser *browser, const char *ev_name,
                             void(*timer)(void *arg), void *arg, int delay_secs)
 {
        int key;
        char title[160];
 
-       self->b.entries = &self->hists->entries;
-       self->b.nr_entries = self->hists->nr_entries;
+       browser->b.entries = &browser->hists->entries;
+       browser->b.nr_entries = browser->hists->nr_entries;
 
-       hist_browser__refresh_dimensions(self);
-       hists__browser_title(self->hists, title, sizeof(title), ev_name);
+       hist_browser__refresh_dimensions(browser);
+       hists__browser_title(browser->hists, title, sizeof(title), ev_name);
 
-       if (ui_browser__show(&self->b, title,
+       if (ui_browser__show(&browser->b, title,
                             "Press '?' for help on key bindings") < 0)
                return -1;
 
        while (1) {
-               key = ui_browser__run(&self->b, delay_secs);
+               key = ui_browser__run(&browser->b, delay_secs);
 
                switch (key) {
                case K_TIMER:
                        timer(arg);
-                       ui_browser__update_nr_entries(&self->b, self->hists->nr_entries);
+                       ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries);
 
-                       if (self->hists->stats.nr_lost_warned !=
-                           self->hists->stats.nr_events[PERF_RECORD_LOST]) {
-                               self->hists->stats.nr_lost_warned =
-                                       self->hists->stats.nr_events[PERF_RECORD_LOST];
-                               ui_browser__warn_lost_events(&self->b);
+                       if (browser->hists->stats.nr_lost_warned !=
+                           browser->hists->stats.nr_events[PERF_RECORD_LOST]) {
+                               browser->hists->stats.nr_lost_warned =
+                                       browser->hists->stats.nr_events[PERF_RECORD_LOST];
+                               ui_browser__warn_lost_events(&browser->b);
                        }
 
-                       hists__browser_title(self->hists, title, sizeof(title), ev_name);
-                       ui_browser__show_title(&self->b, title);
+                       hists__browser_title(browser->hists, title, sizeof(title), ev_name);
+                       ui_browser__show_title(&browser->b, title);
                        continue;
                case 'D': { /* Debug */
                        static int seq;
-                       struct hist_entry *h = rb_entry(self->b.top,
+                       struct hist_entry *h = rb_entry(browser->b.top,
                                                        struct hist_entry, rb_node);
                        ui_helpline__pop();
                        ui_helpline__fpush("%d: nr_ent=(%d,%d), height=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d",
-                                          seq++, self->b.nr_entries,
-                                          self->hists->nr_entries,
-                                          self->b.height,
-                                          self->b.index,
-                                          self->b.top_idx,
+                                          seq++, browser->b.nr_entries,
+                                          browser->hists->nr_entries,
+                                          browser->b.height,
+                                          browser->b.index,
+                                          browser->b.top_idx,
                                           h->row_offset, h->nr_rows);
                }
                        break;
                case 'C':
                        /* Collapse the whole world. */
-                       hist_browser__set_folding(self, false);
+                       hist_browser__set_folding(browser, false);
                        break;
                case 'E':
                        /* Expand the whole world. */
-                       hist_browser__set_folding(self, true);
+                       hist_browser__set_folding(browser, true);
                        break;
                case K_ENTER:
-                       if (hist_browser__toggle_fold(self))
+                       if (hist_browser__toggle_fold(browser))
                                break;
                        /* fall thru */
                default:
@@ -370,23 +370,23 @@ static int hist_browser__run(struct hist_browser *self, const char *ev_name,
                }
        }
 out:
-       ui_browser__hide(&self->b);
+       ui_browser__hide(&browser->b);
        return key;
 }
 
-static char *callchain_list__sym_name(struct callchain_list *self,
+static char *callchain_list__sym_name(struct callchain_list *cl,
                                      char *bf, size_t bfsize)
 {
-       if (self->ms.sym)
-               return self->ms.sym->name;
+       if (cl->ms.sym)
+               return cl->ms.sym->name;
 
-       snprintf(bf, bfsize, "%#" PRIx64, self->ip);
+       snprintf(bf, bfsize, "%#" PRIx64, cl->ip);
        return bf;
 }
 
 #define LEVEL_OFFSET_STEP 3
 
-static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *self,
+static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *browser,
                                                     struct callchain_node *chain_node,
                                                     u64 total, int level,
                                                     unsigned short row,
@@ -444,21 +444,21 @@ static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *self,
                        }
 
                        color = HE_COLORSET_NORMAL;
-                       width = self->b.width - (offset + extra_offset + 2);
-                       if (ui_browser__is_current_entry(&self->b, row)) {
-                               self->selection = &chain->ms;
+                       width = browser->b.width - (offset + extra_offset + 2);
+                       if (ui_browser__is_current_entry(&browser->b, row)) {
+                               browser->selection = &chain->ms;
                                color = HE_COLORSET_SELECTED;
                                *is_current_entry = true;
                        }
 
-                       ui_browser__set_color(&self->b, color);
-                       ui_browser__gotorc(&self->b, row, 0);
+                       ui_browser__set_color(&browser->b, color);
+                       ui_browser__gotorc(&browser->b, row, 0);
                        slsmg_write_nstring(" ", offset + extra_offset);
                        slsmg_printf("%c ", folded_sign);
                        slsmg_write_nstring(str, width);
                        free(alloc_str);
 
-                       if (++row == self->b.height)
+                       if (++row == browser->b.height)
                                goto out;
 do_next:
                        if (folded_sign == '+')
@@ -467,11 +467,11 @@ do_next:
 
                if (folded_sign == '-') {
                        const int new_level = level + (extra_offset ? 2 : 1);
-                       row += hist_browser__show_callchain_node_rb_tree(self, child, new_total,
+                       row += hist_browser__show_callchain_node_rb_tree(browser, child, new_total,
                                                                         new_level, row, row_offset,
                                                                         is_current_entry);
                }
-               if (row == self->b.height)
+               if (row == browser->b.height)
                        goto out;
                node = next;
        }
@@ -479,7 +479,7 @@ out:
        return row - first_row;
 }
 
-static int hist_browser__show_callchain_node(struct hist_browser *self,
+static int hist_browser__show_callchain_node(struct hist_browser *browser,
                                             struct callchain_node *node,
                                             int level, unsigned short row,
                                             off_t *row_offset,
@@ -488,7 +488,7 @@ static int hist_browser__show_callchain_node(struct hist_browser *self,
        struct callchain_list *chain;
        int first_row = row,
             offset = level * LEVEL_OFFSET_STEP,
-            width = self->b.width - offset;
+            width = browser->b.width - offset;
        char folded_sign = ' ';
 
        list_for_each_entry(chain, &node->val, list) {
@@ -503,26 +503,26 @@ static int hist_browser__show_callchain_node(struct hist_browser *self,
                }
 
                color = HE_COLORSET_NORMAL;
-               if (ui_browser__is_current_entry(&self->b, row)) {
-                       self->selection = &chain->ms;
+               if (ui_browser__is_current_entry(&browser->b, row)) {
+                       browser->selection = &chain->ms;
                        color = HE_COLORSET_SELECTED;
                        *is_current_entry = true;
                }
 
                s = callchain_list__sym_name(chain, ipstr, sizeof(ipstr));
-               ui_browser__gotorc(&self->b, row, 0);
-               ui_browser__set_color(&self->b, color);
+               ui_browser__gotorc(&browser->b, row, 0);
+               ui_browser__set_color(&browser->b, color);
                slsmg_write_nstring(" ", offset);
                slsmg_printf("%c ", folded_sign);
                slsmg_write_nstring(s, width - 2);
 
-               if (++row == self->b.height)
+               if (++row == browser->b.height)
                        goto out;
        }
 
        if (folded_sign == '-')
-               row += hist_browser__show_callchain_node_rb_tree(self, node,
-                                                                self->hists->stats.total_period,
+               row += hist_browser__show_callchain_node_rb_tree(browser, node,
+                                                                browser->hists->stats.total_period,
                                                                 level + 1, row,
                                                                 row_offset,
                                                                 is_current_entry);
@@ -530,7 +530,7 @@ out:
        return row - first_row;
 }
 
-static int hist_browser__show_callchain(struct hist_browser *self,
+static int hist_browser__show_callchain(struct hist_browser *browser,
                                        struct rb_root *chain,
                                        int level, unsigned short row,
                                        off_t *row_offset,
@@ -542,31 +542,31 @@ static int hist_browser__show_callchain(struct hist_browser *self,
        for (nd = rb_first(chain); nd; nd = rb_next(nd)) {
                struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
 
-               row += hist_browser__show_callchain_node(self, node, level,
+               row += hist_browser__show_callchain_node(browser, node, level,
                                                         row, row_offset,
                                                         is_current_entry);
-               if (row == self->b.height)
+               if (row == browser->b.height)
                        break;
        }
 
        return row - first_row;
 }
 
-static int hist_browser__show_entry(struct hist_browser *self,
+static int hist_browser__show_entry(struct hist_browser *browser,
                                    struct hist_entry *entry,
                                    unsigned short row)
 {
        char s[256];
        double percent;
        int printed = 0;
-       int width = self->b.width - 6; /* The percentage */
+       int width = browser->b.width - 6; /* The percentage */
        char folded_sign = ' ';
-       bool current_entry = ui_browser__is_current_entry(&self->b, row);
+       bool current_entry = ui_browser__is_current_entry(&browser->b, row);
        off_t row_offset = entry->row_offset;
 
        if (current_entry) {
-               self->he_selection = entry;
-               self->selection = &entry->ms;
+               browser->he_selection = entry;
+               browser->selection = &entry->ms;
        }
 
        if (symbol_conf.use_callchain) {
@@ -575,11 +575,11 @@ static int hist_browser__show_entry(struct hist_browser *self,
        }
 
        if (row_offset == 0) {
-               hist_entry__snprintf(entry, s, sizeof(s), self->hists);
-               percent = (entry->period * 100.0) / self->hists->stats.total_period;
+               hist_entry__snprintf(entry, s, sizeof(s), browser->hists);
+               percent = (entry->period * 100.0) / browser->hists->stats.total_period;
 
-               ui_browser__set_percent_color(&self->b, percent, current_entry);
-               ui_browser__gotorc(&self->b, row, 0);
+               ui_browser__set_percent_color(&browser->b, percent, current_entry);
+               ui_browser__gotorc(&browser->b, row, 0);
                if (symbol_conf.use_callchain) {
                        slsmg_printf("%c ", folded_sign);
                        width -= 2;
@@ -588,11 +588,11 @@ static int hist_browser__show_entry(struct hist_browser *self,
                slsmg_printf(" %5.2f%%", percent);
 
                /* The scroll bar isn't being used */
-               if (!self->b.navkeypressed)
+               if (!browser->b.navkeypressed)
                        width += 1;
 
-               if (!current_entry || !self->b.navkeypressed)
-                       ui_browser__set_color(&self->b, HE_COLORSET_NORMAL);
+               if (!current_entry || !browser->b.navkeypressed)
+                       ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL);
 
                if (symbol_conf.show_nr_samples) {
                        slsmg_printf(" %11u", entry->nr_events);
@@ -610,12 +610,12 @@ static int hist_browser__show_entry(struct hist_browser *self,
        } else
                --row_offset;
 
-       if (folded_sign == '-' && row != self->b.height) {
-               printed += hist_browser__show_callchain(self, &entry->sorted_chain,
+       if (folded_sign == '-' && row != browser->b.height) {
+               printed += hist_browser__show_callchain(browser, &entry->sorted_chain,
                                                        1, row, &row_offset,
                                                        &current_entry);
                if (current_entry)
-                       self->he_selection = entry;
+                       browser->he_selection = entry;
        }
 
        return printed;
@@ -631,22 +631,22 @@ static void ui_browser__hists_init_top(struct ui_browser *browser)
        }
 }
 
-static unsigned int hist_browser__refresh(struct ui_browser *self)
+static unsigned int hist_browser__refresh(struct ui_browser *browser)
 {
        unsigned row = 0;
        struct rb_node *nd;
-       struct hist_browser *hb = container_of(self, struct hist_browser, b);
+       struct hist_browser *hb = container_of(browser, struct hist_browser, b);
 
-       ui_browser__hists_init_top(self);
+       ui_browser__hists_init_top(browser);
 
-       for (nd = self->top; nd; nd = rb_next(nd)) {
+       for (nd = browser->top; nd; nd = rb_next(nd)) {
                struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
 
                if (h->filtered)
                        continue;
 
                row += hist_browser__show_entry(hb, h, row);
-               if (row == self->height)
+               if (row == browser->height)
                        break;
        }
 
@@ -679,27 +679,27 @@ static struct rb_node *hists__filter_prev_entries(struct rb_node *nd)
        return NULL;
 }
 
-static void ui_browser__hists_seek(struct ui_browser *self,
+static void ui_browser__hists_seek(struct ui_browser *browser,
                                   off_t offset, int whence)
 {
        struct hist_entry *h;
        struct rb_node *nd;
        bool first = true;
 
-       if (self->nr_entries == 0)
+       if (browser->nr_entries == 0)
                return;
 
-       ui_browser__hists_init_top(self);
+       ui_browser__hists_init_top(browser);
 
        switch (whence) {
        case SEEK_SET:
-               nd = hists__filter_entries(rb_first(self->entries));
+               nd = hists__filter_entries(rb_first(browser->entries));
                break;
        case SEEK_CUR:
-               nd = self->top;
+               nd = browser->top;
                goto do_offset;
        case SEEK_END:
-               nd = hists__filter_prev_entries(rb_last(self->entries));
+               nd = hists__filter_prev_entries(rb_last(browser->entries));
                first = false;
                break;
        default:
@@ -710,7 +710,7 @@ static void ui_browser__hists_seek(struct ui_browser *self,
         * Moves not relative to the first visible entry invalidates its
         * row_offset:
         */
-       h = rb_entry(self->top, struct hist_entry, rb_node);
+       h = rb_entry(browser->top, struct hist_entry, rb_node);
        h->row_offset = 0;
 
        /*
@@ -738,7 +738,7 @@ do_offset:
                                } else {
                                        h->row_offset += offset;
                                        offset = 0;
-                                       self->top = nd;
+                                       browser->top = nd;
                                        break;
                                }
                        }
@@ -746,7 +746,7 @@ do_offset:
                        if (nd == NULL)
                                break;
                        --offset;
-                       self->top = nd;
+                       browser->top = nd;
                } while (offset != 0);
        } else if (offset < 0) {
                while (1) {
@@ -759,7 +759,7 @@ do_offset:
                                        } else {
                                                h->row_offset += offset;
                                                offset = 0;
-                                               self->top = nd;
+                                               browser->top = nd;
                                                break;
                                        }
                                } else {
@@ -769,7 +769,7 @@ do_offset:
                                        } else {
                                                h->row_offset = h->nr_rows + offset;
                                                offset = 0;
-                                               self->top = nd;
+                                               browser->top = nd;
                                                break;
                                        }
                                }
@@ -779,7 +779,7 @@ do_offset:
                        if (nd == NULL)
                                break;
                        ++offset;
-                       self->top = nd;
+                       browser->top = nd;
                        if (offset == 0) {
                                /*
                                 * Last unfiltered hist_entry, check if it is
@@ -794,7 +794,7 @@ do_offset:
                        first = false;
                }
        } else {
-               self->top = nd;
+               browser->top = nd;
                h = rb_entry(nd, struct hist_entry, rb_node);
                h->row_offset = 0;
        }
@@ -802,46 +802,46 @@ do_offset:
 
 static struct hist_browser *hist_browser__new(struct hists *hists)
 {
-       struct hist_browser *self = zalloc(sizeof(*self));
+       struct hist_browser *browser = zalloc(sizeof(*browser));
 
-       if (self) {
-               self->hists = hists;
-               self->b.refresh = hist_browser__refresh;
-               self->b.seek = ui_browser__hists_seek;
-               self->b.use_navkeypressed = true;
+       if (browser) {
+               browser->hists = hists;
+               browser->b.refresh = hist_browser__refresh;
+               browser->b.seek = ui_browser__hists_seek;
+               browser->b.use_navkeypressed = true;
                if (sort__branch_mode == 1)
-                       self->has_symbols = sort_sym_from.list.next != NULL;
+                       browser->has_symbols = sort_sym_from.list.next != NULL;
                else
-                       self->has_symbols = sort_sym.list.next != NULL;
+                       browser->has_symbols = sort_sym.list.next != NULL;
        }
 
-       return self;
+       return browser;
 }
 
-static void hist_browser__delete(struct hist_browser *self)
+static void hist_browser__delete(struct hist_browser *browser)
 {
-       free(self);
+       free(browser);
 }
 
-static struct hist_entry *hist_browser__selected_entry(struct hist_browser *self)
+static struct hist_entry *hist_browser__selected_entry(struct hist_browser *browser)
 {
-       return self->he_selection;
+       return browser->he_selection;
 }
 
-static struct thread *hist_browser__selected_thread(struct hist_browser *self)
+static struct thread *hist_browser__selected_thread(struct hist_browser *browser)
 {
-       return self->he_selection->thread;
+       return browser->he_selection->thread;
 }
 
-static int hists__browser_title(struct hists *self, char *bf, size_t size,
+static int hists__browser_title(struct hists *hists, char *bf, size_t size,
                                const char *ev_name)
 {
        char unit;
        int printed;
-       const struct dso *dso = self->dso_filter;
-       const struct thread *thread = self->thread_filter;
-       unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE];
-       u64 nr_events = self->stats.total_period;
+       const struct dso *dso = hists->dso_filter;
+       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;
 
        nr_samples = convert_unit(nr_samples, &unit);
        printed = scnprintf(bf, size,
@@ -849,9 +849,9 @@ static int hists__browser_title(struct hists *self, char *bf, size_t size,
                           nr_samples, unit, ev_name, nr_events);
 
 
-       if (self->uid_filter_str)
+       if (hists->uid_filter_str)
                printed += snprintf(bf + printed, size - printed,
-                                   ", UID: %s", self->uid_filter_str);
+                                   ", UID: %s", hists->uid_filter_str);
        if (thread)
                printed += scnprintf(bf + printed, size - printed,
                                    ", Thread: %s(%d)",
@@ -879,8 +879,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
                                    void(*timer)(void *arg), void *arg,
                                    int delay_secs)
 {
-       struct hists *self = &evsel->hists;
-       struct hist_browser *browser = hist_browser__new(self);
+       struct hists *hists = &evsel->hists;
+       struct hist_browser *browser = hist_browser__new(hists);
        struct branch_info *bi;
        struct pstack *fstack;
        char *options[16];
@@ -946,8 +946,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
                                        "Please enter the name of symbol you want to see",
                                        buf, "ENTER: OK, ESC: Cancel",
                                        delay_secs * 2) == K_ENTER) {
-                               self->symbol_filter_str = *buf ? buf : NULL;
-                               hists__filter_by_symbol(self);
+                               hists->symbol_filter_str = *buf ? buf : NULL;
+                               hists__filter_by_symbol(hists);
                                hist_browser__reset(browser);
                        }
                        continue;
@@ -1128,7 +1128,7 @@ zoom_out_dso:
                                sort_dso.elide = true;
                                pstack__push(fstack, &browser->hists->dso_filter);
                        }
-                       hists__filter_by_dso(self);
+                       hists__filter_by_dso(hists);
                        hist_browser__reset(browser);
                } else if (choice == zoom_thread) {
 zoom_thread:
@@ -1146,7 +1146,7 @@ zoom_out_thread:
                                sort_thread.elide = true;
                                pstack__push(fstack, &browser->hists->thread_filter);
                        }
-                       hists__filter_by_thread(self);
+                       hists__filter_by_thread(hists);
                        hist_browser__reset(browser);
                }
        }