Commit 5a1a99cd authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo

perf c2c report: Add main TUI browser

Add the main cachelines TUI browser. It allows to navigate through
cachelines and display their details and callchains (implemented in the
following patches).
Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Tested-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-pk632k4h1uwc5t0lqc7k61zg@git.kernel.org
Link: http://lkml.kernel.org/r/20161021001706.GB23970@krava
[ Handle file with no entries, fixing segfault reported by Kim Phillips ]
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 2d388bd0
......@@ -14,6 +14,7 @@
#include "data.h"
#include "sort.h"
#include <asm/bug.h>
#include "ui/browsers/hists.h"
struct c2c_hists {
struct hists hists;
......@@ -53,6 +54,7 @@ struct perf_c2c {
int node_info;
bool show_src;
bool use_stdio;
};
static struct perf_c2c c2c;
......@@ -657,6 +659,10 @@ percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
c2c_he = container_of(he, struct c2c_hist_entry, he);
per = get_percent(c2c_he);
#ifdef HAVE_SLANG_SUPPORT
if (use_browser)
return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
#endif
return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
}
......@@ -1077,6 +1083,8 @@ static struct c2c_dimension dim_dcacheline = {
.width = 18,
};
static struct c2c_header header_offset_tui = HEADER_LOW("Off");
static struct c2c_dimension dim_offset = {
.header = HEADER_BOTH("Data address", "Offset"),
.name = "offset",
......@@ -1803,6 +1811,100 @@ static void perf_c2c__hists_fprintf(FILE *out)
print_pareto(out);
}
#ifdef HAVE_SLANG_SUPPORT
static void c2c_browser__update_nr_entries(struct hist_browser *hb)
{
u64 nr_entries = 0;
struct rb_node *nd = rb_first(&hb->hists->entries);
while (nd) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
if (!he->filtered)
nr_entries++;
nd = rb_next(nd);
}
hb->nr_non_filtered_entries = nr_entries;
}
static int perf_c2c_browser__title(struct hist_browser *browser,
char *bf, size_t size)
{
scnprintf(bf, size,
"Shared Data Cache Line Table "
"(%lu entries)", browser->nr_non_filtered_entries);
return 0;
}
static struct hist_browser*
perf_c2c_browser__new(struct hists *hists)
{
struct hist_browser *browser = hist_browser__new(hists);
if (browser) {
browser->title = perf_c2c_browser__title;
browser->c2c_filter = true;
}
return browser;
}
static int perf_c2c__hists_browse(struct hists *hists)
{
struct hist_browser *browser;
int key = -1;
browser = perf_c2c_browser__new(hists);
if (browser == NULL)
return -1;
/* reset abort key so that it can get Ctrl-C as a key */
SLang_reset_tty();
SLang_init_tty(0, 0, 0);
c2c_browser__update_nr_entries(browser);
while (1) {
key = hist_browser__run(browser, "help");
switch (key) {
case 'q':
goto out;
default:
break;
}
}
out:
hist_browser__delete(browser);
return 0;
}
static void perf_c2c_display(void)
{
if (c2c.use_stdio)
perf_c2c__hists_fprintf(stdout);
else
perf_c2c__hists_browse(&c2c.hists.hists);
}
#else
static void perf_c2c_display(void)
{
use_browser = 0;
perf_c2c__hists_fprintf(stdout);
}
#endif /* HAVE_SLANG_SUPPORT */
static void ui_quirks(void)
{
if (!c2c.use_stdio) {
dim_offset.width = 5;
dim_offset.header = header_offset_tui;
}
}
static int perf_c2c__report(int argc, const char **argv)
{
struct perf_session *session;
......@@ -1819,6 +1921,9 @@ static int perf_c2c__report(int argc, const char **argv)
"the input file to process"),
OPT_INCR('N', "node-info", &c2c.node_info,
"show extra node info in report (repeat for more info)"),
#ifdef HAVE_SLANG_SUPPORT
OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
#endif
OPT_END()
};
int err = 0;
......@@ -1828,6 +1933,13 @@ static int perf_c2c__report(int argc, const char **argv)
if (argc)
usage_with_options(report_c2c_usage, c2c_options);
if (c2c.use_stdio)
use_browser = 0;
else
use_browser = 1;
setup_browser(false);
if (!input_name || !strlen(input_name))
input_name = "perf.data";
......@@ -1886,8 +1998,9 @@ static int perf_c2c__report(int argc, const char **argv)
ui_progress__finish();
use_browser = 0;
perf_c2c__hists_fprintf(stdout);
ui_quirks();
perf_c2c_display();
out_session:
perf_session__delete(session);
......
......@@ -30,7 +30,7 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd,
static bool hist_browser__has_filter(struct hist_browser *hb)
{
return hists__has_filter(hb->hists) || hb->min_pcnt || symbol_conf.has_filter;
return hists__has_filter(hb->hists) || hb->min_pcnt || symbol_conf.has_filter || hb->c2c_filter;
}
static int hist_browser__get_folding(struct hist_browser *browser)
......
......@@ -18,6 +18,7 @@ struct hist_browser {
u64 nr_non_filtered_entries;
u64 nr_hierarchy_entries;
u64 nr_callchain_rows;
bool c2c_filter;
/* Get title string. */
int (*title)(struct hist_browser *browser,
......
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