perf-eh_elf/ui/browsers/annotate.c
Linus Torvalds 16c00db4bb Merge tag 'afs-fixes-20180514' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull AFS fixes from David Howells:
 "Here's a set of patches that fix a number of bugs in the in-kernel AFS
  client, including:

   - Fix directory locking to not use individual page locks for
     directory reading/scanning but rather to use a semaphore on the
     afs_vnode struct as the directory contents must be read in a single
     blob and data from different reads must not be mixed as the entire
     contents may be shuffled about between reads.

   - Fix address list parsing to handle port specifiers correctly.

   - Only give up callback records on a server if we actually talked to
     that server (we might not be able to access a server).

   - Fix some callback handling bugs, including refcounting,
     whole-volume callbacks and when callbacks actually get broken in
     response to a CB.CallBack op.

   - Fix some server/address rotation bugs, including giving up if we
     can't probe a server; giving up if a server says it doesn't have a
     volume, but there are more servers to try.

   - Fix the decoding of fetched statuses to be OpenAFS compatible.

   - Fix the handling of server lookups in Cache Manager ops (such as
     CB.InitCallBackState3) to use a UUID if possible and to handle no
     server being found.

   - Fix a bug in server lookup where not all addresses are compared.

   - Fix the non-encryption of calls that prevents some servers from
     being accessed (this also requires an AF_RXRPC patch that has
     already gone in through the net tree).

  There's also a patch that adds tracepoints to log Cache Manager ops
  that don't find a matching server, either by UUID or by address"

* tag 'afs-fixes-20180514' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  afs: Fix the non-encryption of calls
  afs: Fix CB.CallBack handling
  afs: Fix whole-volume callback handling
  afs: Fix afs_find_server search loop
  afs: Fix the handling of an unfound server in CM operations
  afs: Add a tracepoint to record callbacks from unlisted servers
  afs: Fix the handling of CB.InitCallBackState3 to find the server by UUID
  afs: Fix VNOVOL handling in address rotation
  afs: Fix AFSFetchStatus decoder to provide OpenAFS compatibility
  afs: Fix server rotation's handling of fileserver probe failure
  afs: Fix refcounting in callback registration
  afs: Fix giving up callbacks on server destruction
  afs: Fix address list parsing
  afs: Fix directory page locking
2018-05-15 10:48:36 -07:00

880 lines
24 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include "../../util/util.h"
#include "../browser.h"
#include "../helpline.h"
#include "../ui.h"
#include "../util.h"
#include "../../util/annotate.h"
#include "../../util/hist.h"
#include "../../util/sort.h"
#include "../../util/symbol.h"
#include "../../util/evsel.h"
#include "../../util/evlist.h"
#include <inttypes.h>
#include <pthread.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <sys/ttydefaults.h>
struct disasm_line_samples {
double percent;
struct sym_hist_entry he;
};
struct arch;
struct annotate_browser {
struct ui_browser b;
struct rb_root entries;
struct rb_node *curr_hot;
struct annotation_line *selection;
struct arch *arch;
bool searching_backwards;
char search_bf[128];
};
static inline struct annotation *browser__annotation(struct ui_browser *browser)
{
struct map_symbol *ms = browser->priv;
return symbol__annotation(ms->sym);
}
static bool disasm_line__filter(struct ui_browser *browser, void *entry)
{
struct annotation *notes = browser__annotation(browser);
struct annotation_line *al = list_entry(entry, struct annotation_line, node);
return annotation_line__filter(al, notes);
}
static int ui_browser__jumps_percent_color(struct ui_browser *browser, int nr, bool current)
{
struct annotation *notes = browser__annotation(browser);
if (current && (!browser->use_navkeypressed || browser->navkeypressed))
return HE_COLORSET_SELECTED;
if (nr == notes->max_jump_sources)
return HE_COLORSET_TOP;
if (nr > 1)
return HE_COLORSET_MEDIUM;
return HE_COLORSET_NORMAL;
}
static int ui_browser__set_jumps_percent_color(void *browser, int nr, bool current)
{
int color = ui_browser__jumps_percent_color(browser, nr, current);
return ui_browser__set_color(browser, color);
}
static int annotate_browser__set_color(void *browser, int color)
{
return ui_browser__set_color(browser, color);
}
static void annotate_browser__write_graph(void *browser, int graph)
{
ui_browser__write_graph(browser, graph);
}
static void annotate_browser__set_percent_color(void *browser, double percent, bool current)
{
ui_browser__set_percent_color(browser, percent, current);
}
static void annotate_browser__printf(void *browser, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
ui_browser__vprintf(browser, fmt, args);
va_end(args);
}
static void annotate_browser__write(struct ui_browser *browser, void *entry, int row)
{
struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
struct annotation *notes = browser__annotation(browser);
struct annotation_line *al = list_entry(entry, struct annotation_line, node);
struct annotation_write_ops ops = {
.first_line = row == 0,
.current_entry = ui_browser__is_current_entry(browser, row),
.change_color = (!notes->options->hide_src_code &&
(!ops.current_entry ||
(browser->use_navkeypressed &&
!browser->navkeypressed))),
.width = browser->width,
.obj = browser,
.set_color = annotate_browser__set_color,
.set_percent_color = annotate_browser__set_percent_color,
.set_jumps_percent_color = ui_browser__set_jumps_percent_color,
.printf = annotate_browser__printf,
.write_graph = annotate_browser__write_graph,
};
/* The scroll bar isn't being used */
if (!browser->navkeypressed)
ops.width += 1;
annotation_line__write(al, notes, &ops);
if (ops.current_entry)
ab->selection = al;
}
static bool is_fused(struct annotate_browser *ab, struct disasm_line *cursor)
{
struct disasm_line *pos = list_prev_entry(cursor, al.node);
const char *name;
if (!pos)
return false;
if (ins__is_lock(&pos->ins))
name = pos->ops.locked.ins.name;
else
name = pos->ins.name;
if (!name || !cursor->ins.name)
return false;
return ins__is_fused(ab->arch, name, cursor->ins.name);
}
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 = disasm_line(ab->selection);
struct annotation_line *target;
unsigned int from, to;
struct map_symbol *ms = ab->b.priv;
struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(sym);
u8 pcnt_width = annotation__pcnt_width(notes);
int width;
/* PLT symbols contain external offsets */
if (strstr(sym->name, "@plt"))
return;
if (!disasm_line__is_valid_local_jump(cursor, sym))
return;
/*
* This first was seen with a gcc function, _cpp_lex_token, that
* has the usual jumps:
*
* │1159e6c: ↓ jne 115aa32 <_cpp_lex_token@@Base+0xf92>
*
* I.e. jumps to a label inside that function (_cpp_lex_token), and
* those works, but also this kind:
*
* │1159e8b: ↓ jne c469be <cpp_named_operator2name@@Base+0xa72>
*
* I.e. jumps to another function, outside _cpp_lex_token, which
* are not being correctly handled generating as a side effect references
* to ab->offset[] entries that are set to NULL, so to make this code
* more robust, check that here.
*
* A proper fix for will be put in place, looking at the function
* name right after the '<' token and probably treating this like a
* 'call' instruction.
*/
target = notes->offsets[cursor->ops.target.offset];
if (target == NULL) {
ui_helpline__printf("WARN: jump target inconsistency, press 'o', notes->offsets[%#x] = NULL\n",
cursor->ops.target.offset);
return;
}
if (notes->options->hide_src_code) {
from = cursor->al.idx_asm;
to = target->idx_asm;
} else {
from = (u64)cursor->al.idx;
to = (u64)target->idx;
}
width = annotation__cycles_width(notes);
ui_browser__set_color(browser, HE_COLORSET_JUMP_ARROWS);
__ui_browser__line_arrow(browser,
pcnt_width + 2 + notes->widths.addr + width,
from, to);
if (is_fused(ab, cursor)) {
ui_browser__mark_fused(browser,
pcnt_width + 3 + notes->widths.addr + width,
from - 1,
to > from ? true : false);
}
}
static unsigned int annotate_browser__refresh(struct ui_browser *browser)
{
struct annotation *notes = browser__annotation(browser);
int ret = ui_browser__list_head_refresh(browser);
int pcnt_width = annotation__pcnt_width(notes);
if (notes->options->jump_arrows)
annotate_browser__draw_current_jump(browser);
ui_browser__set_color(browser, HE_COLORSET_NORMAL);
__ui_browser__vline(browser, pcnt_width, 0, browser->rows - 1);
return ret;
}
static int disasm__cmp(struct annotation_line *a, struct annotation_line *b)
{
int i;
for (i = 0; i < a->samples_nr; i++) {
if (a->samples[i].percent == b->samples[i].percent)
continue;
return a->samples[i].percent < b->samples[i].percent;
}
return 0;
}
static void disasm_rb_tree__insert(struct rb_root *root, struct annotation_line *al)
{
struct rb_node **p = &root->rb_node;
struct rb_node *parent = NULL;
struct annotation_line *l;
while (*p != NULL) {
parent = *p;
l = rb_entry(parent, struct annotation_line, rb_node);
if (disasm__cmp(al, l))
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
rb_link_node(&al->rb_node, parent, p);
rb_insert_color(&al->rb_node, root);
}
static void annotate_browser__set_top(struct annotate_browser *browser,
struct annotation_line *pos, u32 idx)
{
struct annotation *notes = browser__annotation(&browser->b);
unsigned back;
ui_browser__refresh_dimensions(&browser->b);
back = browser->b.height / 2;
browser->b.top_idx = browser->b.index = idx;
while (browser->b.top_idx != 0 && back != 0) {
pos = list_entry(pos->node.prev, struct annotation_line, node);
if (annotation_line__filter(pos, notes))
continue;
--browser->b.top_idx;
--back;
}
browser->b.top = pos;
browser->b.navkeypressed = true;
}
static void annotate_browser__set_rb_top(struct annotate_browser *browser,
struct rb_node *nd)
{
struct annotation *notes = browser__annotation(&browser->b);
struct annotation_line * pos = rb_entry(nd, struct annotation_line, rb_node);
u32 idx = pos->idx;
if (notes->options->hide_src_code)
idx = pos->idx_asm;
annotate_browser__set_top(browser, pos, idx);
browser->curr_hot = nd;
}
static void annotate_browser__calc_percent(struct annotate_browser *browser,
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;
browser->entries = RB_ROOT;
pthread_mutex_lock(&notes->lock);
symbol__calc_percent(sym, evsel);
list_for_each_entry(pos, &notes->src->source, al.node) {
double max_percent = 0.0;
int i;
if (pos->al.offset == -1) {
RB_CLEAR_NODE(&pos->al.rb_node);
continue;
}
for (i = 0; i < pos->al.samples_nr; i++) {
struct annotation_data *sample = &pos->al.samples[i];
if (max_percent < sample->percent)
max_percent = sample->percent;
}
if (max_percent < 0.01 && pos->al.ipc == 0) {
RB_CLEAR_NODE(&pos->al.rb_node);
continue;
}
disasm_rb_tree__insert(&browser->entries, &pos->al);
}
pthread_mutex_unlock(&notes->lock);
browser->curr_hot = rb_last(&browser->entries);
}
static bool annotate_browser__toggle_source(struct annotate_browser *browser)
{
struct annotation *notes = browser__annotation(&browser->b);
struct annotation_line *al;
off_t offset = browser->b.index - browser->b.top_idx;
browser->b.seek(&browser->b, offset, SEEK_CUR);
al = list_entry(browser->b.top, struct annotation_line, node);
if (notes->options->hide_src_code) {
if (al->idx_asm < offset)
offset = al->idx;
browser->b.nr_entries = notes->nr_entries;
notes->options->hide_src_code = false;
browser->b.seek(&browser->b, -offset, SEEK_CUR);
browser->b.top_idx = al->idx - offset;
browser->b.index = al->idx;
} else {
if (al->idx_asm < 0) {
ui_helpline__puts("Only available for assembly lines.");
browser->b.seek(&browser->b, -offset, SEEK_CUR);
return false;
}
if (al->idx_asm < offset)
offset = al->idx_asm;
browser->b.nr_entries = notes->nr_asm_entries;
notes->options->hide_src_code = true;
browser->b.seek(&browser->b, -offset, SEEK_CUR);
browser->b.top_idx = al->idx_asm - offset;
browser->b.index = al->idx_asm;
}
return true;
}
static void ui_browser__init_asm_mode(struct ui_browser *browser)
{
struct annotation *notes = browser__annotation(browser);
ui_browser__reset_index(browser);
browser->nr_entries = notes->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);
}
/*
* This can be called from external jumps, i.e. jumps from one functon
* to another, like from the kernel's entry_SYSCALL_64 function to the
* swapgs_restore_regs_and_return_to_usermode() function.
*
* So all we check here is that dl->ops.target.sym is set, if it is, just
* go to that function and when exiting from its disassembly, come back
* to the calling function.
*/
static bool annotate_browser__callq(struct annotate_browser *browser,
struct perf_evsel *evsel,
struct hist_browser_timer *hbt)
{
struct map_symbol *ms = browser->b.priv;
struct disasm_line *dl = disasm_line(browser->selection);
struct annotation *notes;
char title[SYM_TITLE_MAX_SIZE];
if (!dl->ops.target.sym) {
ui_helpline__puts("The called function was not found.");
return true;
}
notes = symbol__annotation(dl->ops.target.sym);
pthread_mutex_lock(&notes->lock);
if (notes->src == NULL && symbol__alloc_hist(dl->ops.target.sym) < 0) {
pthread_mutex_unlock(&notes->lock);
ui__warning("Not enough memory for annotating '%s' symbol!\n",
dl->ops.target.sym->name);
return true;
}
pthread_mutex_unlock(&notes->lock);
symbol__tui_annotate(dl->ops.target.sym, ms->map, evsel, hbt);
sym_title(ms->sym, ms->map, title, sizeof(title));
ui_browser__show_title(&browser->b, title);
return true;
}
static
struct disasm_line *annotate_browser__find_offset(struct annotate_browser *browser,
s64 offset, s64 *idx)
{
struct annotation *notes = browser__annotation(&browser->b);
struct disasm_line *pos;
*idx = 0;
list_for_each_entry(pos, &notes->src->source, al.node) {
if (pos->al.offset == offset)
return pos;
if (!annotation_line__filter(&pos->al, notes))
++*idx;
}
return NULL;
}
static bool annotate_browser__jump(struct annotate_browser *browser,
struct perf_evsel *evsel,
struct hist_browser_timer *hbt)
{
struct disasm_line *dl = disasm_line(browser->selection);
u64 offset;
s64 idx;
if (!ins__is_jump(&dl->ins))
return false;
if (dl->ops.target.outside) {
annotate_browser__callq(browser, evsel, hbt);
return true;
}
offset = dl->ops.target.offset;
dl = annotate_browser__find_offset(browser, offset, &idx);
if (dl == NULL) {
ui_helpline__printf("Invalid jump offset: %" PRIx64, offset);
return true;
}
annotate_browser__set_top(browser, &dl->al, idx);
return true;
}
static
struct annotation_line *annotate_browser__find_string(struct annotate_browser *browser,
char *s, s64 *idx)
{
struct annotation *notes = browser__annotation(&browser->b);
struct annotation_line *al = browser->selection;
*idx = browser->b.index;
list_for_each_entry_continue(al, &notes->src->source, node) {
if (annotation_line__filter(al, notes))
continue;
++*idx;
if (al->line && strstr(al->line, s) != NULL)
return al;
}
return NULL;
}
static bool __annotate_browser__search(struct annotate_browser *browser)
{
struct annotation_line *al;
s64 idx;
al = annotate_browser__find_string(browser, browser->search_bf, &idx);
if (al == NULL) {
ui_helpline__puts("String not found!");
return false;
}
annotate_browser__set_top(browser, al, idx);
browser->searching_backwards = false;
return true;
}
static
struct annotation_line *annotate_browser__find_string_reverse(struct annotate_browser *browser,
char *s, s64 *idx)
{
struct annotation *notes = browser__annotation(&browser->b);
struct annotation_line *al = browser->selection;
*idx = browser->b.index;
list_for_each_entry_continue_reverse(al, &notes->src->source, node) {
if (annotation_line__filter(al, notes))
continue;
--*idx;
if (al->line && strstr(al->line, s) != NULL)
return al;
}
return NULL;
}
static bool __annotate_browser__search_reverse(struct annotate_browser *browser)
{
struct annotation_line *al;
s64 idx;
al = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx);
if (al == NULL) {
ui_helpline__puts("String not found!");
return false;
}
annotate_browser__set_top(browser, al, idx);
browser->searching_backwards = true;
return true;
}
static bool annotate_browser__search_window(struct annotate_browser *browser,
int delay_secs)
{
if (ui_browser__input_window("Search", "String: ", browser->search_bf,
"ENTER: OK, ESC: Cancel",
delay_secs * 2) != K_ENTER ||
!*browser->search_bf)
return false;
return true;
}
static bool annotate_browser__search(struct annotate_browser *browser, int delay_secs)
{
if (annotate_browser__search_window(browser, delay_secs))
return __annotate_browser__search(browser);
return false;
}
static bool annotate_browser__continue_search(struct annotate_browser *browser,
int delay_secs)
{
if (!*browser->search_bf)
return annotate_browser__search(browser, delay_secs);
return __annotate_browser__search(browser);
}
static bool annotate_browser__search_reverse(struct annotate_browser *browser,
int delay_secs)
{
if (annotate_browser__search_window(browser, delay_secs))
return __annotate_browser__search_reverse(browser);
return false;
}
static
bool annotate_browser__continue_search_reverse(struct annotate_browser *browser,
int delay_secs)
{
if (!*browser->search_bf)
return annotate_browser__search_reverse(browser, delay_secs);
return __annotate_browser__search_reverse(browser);
}
static int annotate_browser__show(struct ui_browser *browser, char *title, const char *help)
{
struct map_symbol *ms = browser->priv;
struct symbol *sym = ms->sym;
char symbol_dso[SYM_TITLE_MAX_SIZE];
if (ui_browser__show(browser, title, help) < 0)
return -1;
sym_title(sym, ms->map, symbol_dso, sizeof(symbol_dso));
ui_browser__gotorc_title(browser, 0, 0);
ui_browser__set_color(browser, HE_COLORSET_ROOT);
ui_browser__write_nstring(browser, symbol_dso, browser->width + 1);
return 0;
}
static int annotate_browser__run(struct annotate_browser *browser,
struct perf_evsel *evsel,
struct hist_browser_timer *hbt)
{
struct rb_node *nd = NULL;
struct hists *hists = evsel__hists(evsel);
struct map_symbol *ms = browser->b.priv;
struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(ms->sym);
const char *help = "Press 'h' for help on key bindings";
int delay_secs = hbt ? hbt->refresh : 0;
char title[256];
int key;
annotation__scnprintf_samples_period(notes, title, sizeof(title), evsel);
if (annotate_browser__show(&browser->b, title, help) < 0)
return -1;
annotate_browser__calc_percent(browser, evsel);
if (browser->curr_hot) {
annotate_browser__set_rb_top(browser, browser->curr_hot);
browser->b.navkeypressed = false;
}
nd = browser->curr_hot;
while (1) {
key = ui_browser__run(&browser->b, delay_secs);
if (delay_secs != 0) {
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
* move to curr_hot (current hottest line).
*/
if (nd != NULL && RB_EMPTY_NODE(nd))
nd = NULL;
}
switch (key) {
case K_TIMER:
if (hbt)
hbt->timer(hbt->arg);
if (delay_secs != 0) {
symbol__annotate_decay_histogram(sym, evsel->idx);
hists__scnprintf_title(hists, title, sizeof(title));
annotate_browser__show(&browser->b, title, help);
}
continue;
case K_TAB:
if (nd != NULL) {
nd = rb_prev(nd);
if (nd == NULL)
nd = rb_last(&browser->entries);
} else
nd = browser->curr_hot;
break;
case K_UNTAB:
if (nd != NULL) {
nd = rb_next(nd);
if (nd == NULL)
nd = rb_first(&browser->entries);
} else
nd = browser->curr_hot;
break;
case K_F1:
case 'h':
ui_browser__help_window(&browser->b,
"UP/DOWN/PGUP\n"
"PGDN/SPACE Navigate\n"
"q/ESC/CTRL+C Exit\n\n"
"ENTER Go to target\n"
"ESC Exit\n"
"H Go to hottest instruction\n"
"TAB/shift+TAB Cycle thru hottest instructions\n"
"j Toggle showing jump to target arrows\n"
"J Toggle showing number of jump sources on targets\n"
"n Search next string\n"
"o Toggle disassembler output/simplified view\n"
"O Bump offset level (jump targets -> +call -> all -> cycle thru)\n"
"s Toggle source code view\n"
"t Circulate percent, total period, samples view\n"
"/ Search string\n"
"k Toggle line numbers\n"
"P Print to [symbol_name].annotation file.\n"
"r Run available scripts\n"
"? Search string backwards\n");
continue;
case 'r':
{
script_browse(NULL);
continue;
}
case 'k':
notes->options->show_linenr = !notes->options->show_linenr;
break;
case 'H':
nd = browser->curr_hot;
break;
case 's':
if (annotate_browser__toggle_source(browser))
ui_helpline__puts(help);
continue;
case 'o':
notes->options->use_offset = !notes->options->use_offset;
annotation__update_column_widths(notes);
continue;
case 'O':
if (++notes->options->offset_level > ANNOTATION__MAX_OFFSET_LEVEL)
notes->options->offset_level = ANNOTATION__MIN_OFFSET_LEVEL;
continue;
case 'j':
notes->options->jump_arrows = !notes->options->jump_arrows;
continue;
case 'J':
notes->options->show_nr_jumps = !notes->options->show_nr_jumps;
annotation__update_column_widths(notes);
continue;
case '/':
if (annotate_browser__search(browser, delay_secs)) {
show_help:
ui_helpline__puts(help);
}
continue;
case 'n':
if (browser->searching_backwards ?
annotate_browser__continue_search_reverse(browser, delay_secs) :
annotate_browser__continue_search(browser, delay_secs))
goto show_help;
continue;
case '?':
if (annotate_browser__search_reverse(browser, delay_secs))
goto show_help;
continue;
case 'D': {
static int seq;
ui_helpline__pop();
ui_helpline__fpush("%d: nr_ent=%d, height=%d, idx=%d, top_idx=%d, nr_asm_entries=%d",
seq++, browser->b.nr_entries,
browser->b.height,
browser->b.index,
browser->b.top_idx,
notes->nr_asm_entries);
}
continue;
case K_ENTER:
case K_RIGHT:
{
struct disasm_line *dl = disasm_line(browser->selection);
if (browser->selection == NULL)
ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
else if (browser->selection->offset == -1)
ui_helpline__puts("Actions are only available for assembly lines.");
else if (!dl->ins.ops)
goto show_sup_ins;
else if (ins__is_ret(&dl->ins))
goto out;
else if (!(annotate_browser__jump(browser, evsel, hbt) ||
annotate_browser__callq(browser, evsel, hbt))) {
show_sup_ins:
ui_helpline__puts("Actions are only available for function call/return & jump/branch instructions.");
}
continue;
}
case 'P':
map_symbol__annotation_dump(ms, evsel);
continue;
case 't':
if (notes->options->show_total_period) {
notes->options->show_total_period = false;
notes->options->show_nr_samples = true;
} else if (notes->options->show_nr_samples)
notes->options->show_nr_samples = false;
else
notes->options->show_total_period = true;
annotation__update_column_widths(notes);
continue;
case K_LEFT:
case K_ESC:
case 'q':
case CTRL('c'):
goto out;
default:
continue;
}
if (nd != NULL)
annotate_browser__set_rb_top(browser, nd);
}
out:
ui_browser__hide(&browser->b);
return key;
}
int map_symbol__tui_annotate(struct map_symbol *ms, struct perf_evsel *evsel,
struct hist_browser_timer *hbt)
{
return symbol__tui_annotate(ms->sym, ms->map, evsel, hbt);
}
int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
struct hist_browser_timer *hbt)
{
/* reset abort key so that it can get Ctrl-C as a key */
SLang_reset_tty();
SLang_init_tty(0, 0, 0);
return map_symbol__tui_annotate(&he->ms, evsel, hbt);
}
int symbol__tui_annotate(struct symbol *sym, struct map *map,
struct perf_evsel *evsel,
struct hist_browser_timer *hbt)
{
struct annotation *notes = symbol__annotation(sym);
struct map_symbol ms = {
.map = map,
.sym = sym,
};
struct annotate_browser browser = {
.b = {
.refresh = annotate_browser__refresh,
.seek = ui_browser__list_head_seek,
.write = annotate_browser__write,
.filter = disasm_line__filter,
.extra_title_lines = 1, /* for hists__scnprintf_title() */
.priv = &ms,
.use_navkeypressed = true,
},
};
int ret = -1, err;
if (sym == NULL)
return -1;
if (map->dso->annotate_warned)
return -1;
err = symbol__annotate2(sym, map, evsel, &annotation__default_options, &browser.arch);
if (err) {
char msg[BUFSIZ];
symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
ui__error("Couldn't annotate %s:\n%s", sym->name, msg);
goto out_free_offsets;
}
ui_helpline__push("Press ESC to exit");
browser.b.width = notes->max_line_len;
browser.b.nr_entries = notes->nr_entries;
browser.b.entries = &notes->src->source,
browser.b.width += 18; /* Percentage */
if (notes->options->hide_src_code)
ui_browser__init_asm_mode(&browser.b);
ret = annotate_browser__run(&browser, evsel, hbt);
annotated_source__purge(notes->src);
out_free_offsets:
zfree(&notes->offsets);
return ret;
}