summaryrefslogtreecommitdiff
path: root/tools/perf/ui/browsers/annotate.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/ui/browsers/annotate.c')
-rw-r--r--tools/perf/ui/browsers/annotate.c250
1 files changed, 159 insertions, 91 deletions
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 67a2703e666a..08545ae46992 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -8,15 +8,19 @@
#include "../../util/hist.h"
#include "../../util/sort.h"
#include "../../util/symbol.h"
+#include "../../util/evsel.h"
#include <pthread.h>
-#include <newt.h>
struct browser_disasm_line {
struct rb_node rb_node;
- double percent;
u32 idx;
int idx_asm;
int jump_sources;
+ /*
+ * actual length of this array is saved on the nr_events field
+ * of the struct annotate_browser
+ */
+ double percent[1];
};
static struct annotate_browser_opt {
@@ -33,8 +37,9 @@ struct annotate_browser {
struct ui_browser b;
struct rb_root entries;
struct rb_node *curr_hot;
- struct disasm_line *selection;
+ struct disasm_line *selection;
struct disasm_line **offsets;
+ int nr_events;
u64 start;
int nr_asm_entries;
int nr_entries;
@@ -54,7 +59,8 @@ static inline struct browser_disasm_line *disasm_line__browser(struct disasm_lin
return (struct browser_disasm_line *)(dl + 1);
}
-static bool disasm_line__filter(struct ui_browser *browser __used, void *entry)
+static bool disasm_line__filter(struct ui_browser *browser __maybe_unused,
+ void *entry)
{
if (annotate_browser__opts.hide_src_code) {
struct disasm_line *dl = list_entry(entry, struct disasm_line, node);
@@ -93,14 +99,24 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
(!current_entry || (browser->use_navkeypressed &&
!browser->navkeypressed)));
int width = browser->width, printed;
+ int i, pcnt_width = 7 * ab->nr_events;
+ double percent_max = 0.0;
char bf[256];
- if (dl->offset != -1 && bdl->percent != 0.0) {
- ui_browser__set_percent_color(browser, bdl->percent, current_entry);
- slsmg_printf("%6.2f ", bdl->percent);
+ for (i = 0; i < ab->nr_events; i++) {
+ if (bdl->percent[i] > percent_max)
+ percent_max = bdl->percent[i];
+ }
+
+ if (dl->offset != -1 && percent_max != 0.0) {
+ for (i = 0; i < ab->nr_events; i++) {
+ ui_browser__set_percent_color(browser, bdl->percent[i],
+ current_entry);
+ slsmg_printf("%6.2f ", bdl->percent[i]);
+ }
} else {
ui_browser__set_percent_color(browser, 0, current_entry);
- slsmg_write_nstring(" ", 7);
+ slsmg_write_nstring(" ", pcnt_width);
}
SLsmg_write_char(' ');
@@ -110,12 +126,12 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
width += 1;
if (!*dl->line)
- slsmg_write_nstring(" ", width - 7);
+ slsmg_write_nstring(" ", width - pcnt_width);
else if (dl->offset == -1) {
printed = scnprintf(bf, sizeof(bf), "%*s ",
ab->addr_width, " ");
slsmg_write_nstring(bf, printed);
- slsmg_write_nstring(dl->line, width - printed - 6);
+ slsmg_write_nstring(dl->line, width - printed - pcnt_width + 1);
} else {
u64 addr = dl->offset;
int color = -1;
@@ -174,22 +190,38 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
}
disasm_line__scnprintf(dl, bf, sizeof(bf), !annotate_browser__opts.use_offset);
- slsmg_write_nstring(bf, width - 10 - printed);
+ slsmg_write_nstring(bf, width - pcnt_width - 3 - printed);
}
if (current_entry)
ab->selection = dl;
}
+static bool disasm_line__is_valid_jump(struct disasm_line *dl, struct symbol *sym)
+{
+ if (!dl || !dl->ins || !ins__is_jump(dl->ins)
+ || !disasm_line__has_offset(dl)
+ || dl->ops.target.offset >= symbol__size(sym))
+ return false;
+
+ return true;
+}
+
static void annotate_browser__draw_current_jump(struct ui_browser *browser)
{
struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
struct disasm_line *cursor = ab->selection, *target;
struct browser_disasm_line *btarget, *bcursor;
unsigned int from, to;
+ struct map_symbol *ms = ab->b.priv;
+ struct symbol *sym = ms->sym;
+ u8 pcnt_width = 7;
- if (!cursor || !cursor->ins || !ins__is_jump(cursor->ins) ||
- !disasm_line__has_offset(cursor))
+ /* PLT symbols contain external offsets */
+ if (strstr(sym->name, "@plt"))
+ return;
+
+ if (!disasm_line__is_valid_jump(cursor, sym))
return;
target = ab->offsets[cursor->ops.target.offset];
@@ -207,57 +239,44 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser)
to = (u64)btarget->idx;
}
+ pcnt_width *= ab->nr_events;
+
ui_browser__set_color(browser, HE_COLORSET_CODE);
- __ui_browser__line_arrow(browser, 9 + ab->addr_width, from, to);
+ __ui_browser__line_arrow(browser, pcnt_width + 2 + ab->addr_width,
+ from, to);
}
static unsigned int annotate_browser__refresh(struct ui_browser *browser)
{
+ struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
int ret = ui_browser__list_head_refresh(browser);
+ int pcnt_width;
+
+ pcnt_width = 7 * ab->nr_events;
if (annotate_browser__opts.jump_arrows)
annotate_browser__draw_current_jump(browser);
ui_browser__set_color(browser, HE_COLORSET_NORMAL);
- __ui_browser__vline(browser, 7, 0, browser->height - 1);
+ __ui_browser__vline(browser, pcnt_width, 0, browser->height - 1);
return ret;
}
-static double disasm_line__calc_percent(struct disasm_line *dl, struct symbol *sym, int evidx)
+static int disasm__cmp(struct browser_disasm_line *a,
+ struct browser_disasm_line *b, int nr_pcnt)
{
- double percent = 0.0;
+ int i;
- if (dl->offset != -1) {
- int len = sym->end - sym->start;
- unsigned int hits = 0;
- struct annotation *notes = symbol__annotation(sym);
- struct source_line *src_line = notes->src->lines;
- struct sym_hist *h = annotation__histogram(notes, evidx);
- s64 offset = dl->offset;
- struct disasm_line *next;
-
- next = disasm__get_next_ip_line(&notes->src->source, dl);
- while (offset < (s64)len &&
- (next == NULL || offset < next->offset)) {
- if (src_line) {
- percent += src_line[offset].percent;
- } else
- hits += h->addr[offset];
-
- ++offset;
- }
- /*
- * If the percentage wasn't already calculated in
- * symbol__get_source_line, do it now:
- */
- if (src_line == NULL && h->sum)
- percent = 100.0 * hits / h->sum;
+ for (i = 0; i < nr_pcnt; i++) {
+ if (a->percent[i] == b->percent[i])
+ continue;
+ return a->percent[i] < b->percent[i];
}
-
- return percent;
+ return 0;
}
-static void disasm_rb_tree__insert(struct rb_root *root, struct browser_disasm_line *bdl)
+static void disasm_rb_tree__insert(struct rb_root *root, struct browser_disasm_line *bdl,
+ int nr_events)
{
struct rb_node **p = &root->rb_node;
struct rb_node *parent = NULL;
@@ -266,7 +285,8 @@ static void disasm_rb_tree__insert(struct rb_root *root, struct browser_disasm_l
while (*p != NULL) {
parent = *p;
l = rb_entry(parent, struct browser_disasm_line, rb_node);
- if (bdl->percent < l->percent)
+
+ if (disasm__cmp(bdl, l, nr_events))
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
@@ -315,12 +335,13 @@ static void annotate_browser__set_rb_top(struct annotate_browser *browser,
}
static void annotate_browser__calc_percent(struct annotate_browser *browser,
- int evidx)
+ struct perf_evsel *evsel)
{
struct map_symbol *ms = browser->b.priv;
struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(sym);
- struct disasm_line *pos;
+ struct disasm_line *pos, *next;
+ s64 len = symbol__size(sym);
browser->entries = RB_ROOT;
@@ -328,12 +349,34 @@ static void annotate_browser__calc_percent(struct annotate_browser *browser,
list_for_each_entry(pos, &notes->src->source, node) {
struct browser_disasm_line *bpos = disasm_line__browser(pos);
- bpos->percent = disasm_line__calc_percent(pos, sym, evidx);
- if (bpos->percent < 0.01) {
+ const char *path = NULL;
+ double max_percent = 0.0;
+ int i;
+
+ if (pos->offset == -1) {
RB_CLEAR_NODE(&bpos->rb_node);
continue;
}
- disasm_rb_tree__insert(&browser->entries, bpos);
+
+ next = disasm__get_next_ip_line(&notes->src->source, pos);
+
+ for (i = 0; i < browser->nr_events; i++) {
+ bpos->percent[i] = disasm__calc_percent(notes,
+ evsel->idx + i,
+ pos->offset,
+ next ? next->offset : len,
+ &path);
+
+ if (max_percent < bpos->percent[i])
+ max_percent = bpos->percent[i];
+ }
+
+ if (max_percent < 0.01) {
+ RB_CLEAR_NODE(&bpos->rb_node);
+ continue;
+ }
+ disasm_rb_tree__insert(&browser->entries, bpos,
+ browser->nr_events);
}
pthread_mutex_unlock(&notes->lock);
@@ -385,9 +428,17 @@ static void annotate_browser__init_asm_mode(struct annotate_browser *browser)
browser->b.nr_entries = browser->nr_asm_entries;
}
+#define SYM_TITLE_MAX_SIZE (PATH_MAX + 64)
+
+static int sym_title(struct symbol *sym, struct map *map, char *title,
+ size_t sz)
+{
+ return snprintf(title, sz, "%s %s", sym->name, map->dso->long_name);
+}
+
static bool annotate_browser__callq(struct annotate_browser *browser,
- int evidx, void (*timer)(void *arg),
- void *arg, int delay_secs)
+ struct perf_evsel *evsel,
+ struct hist_browser_timer *hbt)
{
struct map_symbol *ms = browser->b.priv;
struct disasm_line *dl = browser->selection;
@@ -395,6 +446,7 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
struct annotation *notes;
struct symbol *target;
u64 ip;
+ char title[SYM_TITLE_MAX_SIZE];
if (!ins__is_call(dl->ins))
return false;
@@ -417,8 +469,9 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
}
pthread_mutex_unlock(&notes->lock);
- symbol__tui_annotate(target, ms->map, evidx, timer, arg, delay_secs);
- ui_browser__show_title(&browser->b, sym->name);
+ symbol__tui_annotate(target, ms->map, evsel, hbt);
+ sym_title(sym, ms->map, title, sizeof(title));
+ ui_browser__show_title(&browser->b, title);
return true;
}
@@ -452,7 +505,7 @@ static bool annotate_browser__jump(struct annotate_browser *browser)
dl = annotate_browser__find_offset(browser, dl->ops.target.offset, &idx);
if (dl == NULL) {
- ui_helpline__puts("Invallid jump offset");
+ ui_helpline__puts("Invalid jump offset");
return true;
}
@@ -600,20 +653,23 @@ static void annotate_browser__update_addr_width(struct annotate_browser *browser
browser->addr_width += browser->jumps_width + 1;
}
-static int annotate_browser__run(struct annotate_browser *browser, int evidx,
- void(*timer)(void *arg),
- void *arg, int delay_secs)
+static int annotate_browser__run(struct annotate_browser *browser,
+ struct perf_evsel *evsel,
+ struct hist_browser_timer *hbt)
{
struct rb_node *nd = NULL;
struct map_symbol *ms = browser->b.priv;
struct symbol *sym = ms->sym;
const char *help = "Press 'h' for help on key bindings";
+ int delay_secs = hbt ? hbt->refresh : 0;
int key;
+ char title[SYM_TITLE_MAX_SIZE];
- if (ui_browser__show(&browser->b, sym->name, help) < 0)
+ sym_title(sym, ms->map, title, sizeof(title));
+ if (ui_browser__show(&browser->b, title, help) < 0)
return -1;
- annotate_browser__calc_percent(browser, evidx);
+ annotate_browser__calc_percent(browser, evsel);
if (browser->curr_hot) {
annotate_browser__set_rb_top(browser, browser->curr_hot);
@@ -626,7 +682,7 @@ static int annotate_browser__run(struct annotate_browser *browser, int evidx,
key = ui_browser__run(&browser->b, delay_secs);
if (delay_secs != 0) {
- annotate_browser__calc_percent(browser, evidx);
+ annotate_browser__calc_percent(browser, evsel);
/*
* Current line focus got out of the list of most active
* lines, NULL it so that if TAB|UNTAB is pressed, we
@@ -638,11 +694,11 @@ static int annotate_browser__run(struct annotate_browser *browser, int evidx,
switch (key) {
case K_TIMER:
- if (timer != NULL)
- timer(arg);
+ if (hbt)
+ hbt->timer(hbt->arg);
if (delay_secs != 0)
- symbol__annotate_decay_histogram(sym, evidx);
+ symbol__annotate_decay_histogram(sym, evsel->idx);
continue;
case K_TAB:
if (nd != NULL) {
@@ -675,8 +731,14 @@ static int annotate_browser__run(struct annotate_browser *browser, int evidx,
"o Toggle disassembler output/simplified view\n"
"s Toggle source code view\n"
"/ Search string\n"
- "? Search previous string\n");
+ "r Run available scripts\n"
+ "? Search string backwards\n");
continue;
+ case 'r':
+ {
+ script_browse(NULL);
+ continue;
+ }
case 'H':
nd = browser->curr_hot;
break;
@@ -733,7 +795,7 @@ show_help:
goto show_sup_ins;
goto out;
} else if (!(annotate_browser__jump(browser) ||
- annotate_browser__callq(browser, evidx, timer, arg, delay_secs))) {
+ annotate_browser__callq(browser, evsel, hbt))) {
show_sup_ins:
ui_helpline__puts("Actions are only available for 'callq', 'retq' & jump instructions.");
}
@@ -755,32 +817,29 @@ out:
return key;
}
-int hist_entry__tui_annotate(struct hist_entry *he, int evidx,
- void(*timer)(void *arg), void *arg, int delay_secs)
+int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
+ struct hist_browser_timer *hbt)
{
- return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx,
- timer, arg, delay_secs);
+ return symbol__tui_annotate(he->ms.sym, he->ms.map, evsel, hbt);
}
static void annotate_browser__mark_jump_targets(struct annotate_browser *browser,
size_t size)
{
u64 offset;
+ struct map_symbol *ms = browser->b.priv;
+ struct symbol *sym = ms->sym;
+
+ /* PLT symbols contain external offsets */
+ if (strstr(sym->name, "@plt"))
+ return;
for (offset = 0; offset < size; ++offset) {
struct disasm_line *dl = browser->offsets[offset], *dlt;
struct browser_disasm_line *bdlt;
- if (!dl || !dl->ins || !ins__is_jump(dl->ins) ||
- !disasm_line__has_offset(dl))
- continue;
-
- if (dl->ops.target.offset >= size) {
- ui__error("jump to after symbol!\n"
- "size: %zx, jump target: %" PRIx64,
- size, dl->ops.target.offset);
+ if (!disasm_line__is_valid_jump(dl, sym))
continue;
- }
dlt = browser->offsets[dl->ops.target.offset];
/*
@@ -808,9 +867,9 @@ static inline int width_jumps(int n)
return 1;
}
-int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
- void(*timer)(void *arg), void *arg,
- int delay_secs)
+int symbol__tui_annotate(struct symbol *sym, struct map *map,
+ struct perf_evsel *evsel,
+ struct hist_browser_timer *hbt)
{
struct disasm_line *pos, *n;
struct annotation *notes;
@@ -830,6 +889,8 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
},
};
int ret = -1;
+ int nr_pcnt = 1;
+ size_t sizeof_bdl = sizeof(struct browser_disasm_line);
if (sym == NULL)
return -1;
@@ -845,7 +906,12 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
return -1;
}
- if (symbol__annotate(sym, map, sizeof(struct browser_disasm_line)) < 0) {
+ if (perf_evsel__is_group_event(evsel)) {
+ nr_pcnt = evsel->nr_members;
+ sizeof_bdl += sizeof(double) * (nr_pcnt - 1);
+ }
+
+ if (symbol__annotate(sym, map, sizeof_bdl) < 0) {
ui__error("%s", ui_helpline__last_msg);
goto out_free_offsets;
}
@@ -883,6 +949,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
browser.addr_width = browser.target_width = browser.min_addr_width = hex_width(size);
browser.max_addr_width = hex_width(sym->end);
browser.jumps_width = width_jumps(browser.max_jump_sources);
+ browser.nr_events = nr_pcnt;
browser.b.nr_entries = browser.nr_entries;
browser.b.entries = &notes->src->source,
browser.b.width += 18; /* Percentage */
@@ -892,7 +959,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
annotate_browser__update_addr_width(&browser);
- ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs);
+ ret = annotate_browser__run(&browser, evsel, hbt);
list_for_each_entry_safe(pos, n, &notes->src->source, node) {
list_del(&pos->node);
disasm_line__free(pos);
@@ -905,11 +972,11 @@ out_free_offsets:
#define ANNOTATE_CFG(n) \
{ .name = #n, .value = &annotate_browser__opts.n, }
-
+
/*
* Keep the entries sorted, they are bsearch'ed
*/
-static struct annotate__config {
+static struct annotate_config {
const char *name;
bool *value;
} annotate__configs[] = {
@@ -923,14 +990,15 @@ static struct annotate__config {
static int annotate_config__cmp(const void *name, const void *cfgp)
{
- const struct annotate__config *cfg = cfgp;
+ const struct annotate_config *cfg = cfgp;
return strcmp(name, cfg->name);
}
-static int annotate__config(const char *var, const char *value, void *data __used)
+static int annotate__config(const char *var, const char *value,
+ void *data __maybe_unused)
{
- struct annotate__config *cfg;
+ struct annotate_config *cfg;
const char *name;
if (prefixcmp(var, "annotate.") != 0)
@@ -938,7 +1006,7 @@ static int annotate__config(const char *var, const char *value, void *data __use
name = var + 9;
cfg = bsearch(name, annotate__configs, ARRAY_SIZE(annotate__configs),
- sizeof(struct annotate__config), annotate_config__cmp);
+ sizeof(struct annotate_config), annotate_config__cmp);
if (cfg == NULL)
return -1;