linux-stable/tools/perf/ui/setup.c
Ian Rogers cd8ef94920 perf ui: Move window resize signal functions
Move under tools/perf/ui rather than in perf.c.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Chengdong Li <chengdongli@tencent.com>
Cc: Denis Nikitin <denik@chromium.org>
Cc: Florian Fischer <florian.fischer@muhq.space>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin Liška <mliska@suse.cz>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Raul Silvera <rsilvera@google.com>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20230410162511.3055900-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-04-10 19:20:38 -03:00

142 lines
2.5 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <dlfcn.h>
#include <signal.h>
#include <unistd.h>
#include <subcmd/pager.h>
#include "../util/debug.h"
#include "../util/hist.h"
#include "ui.h"
struct mutex ui__lock;
void *perf_gtk_handle;
int use_browser = -1;
#define PERF_GTK_DSO "libperf-gtk.so"
#ifdef HAVE_GTK2_SUPPORT
static int setup_gtk_browser(void)
{
int (*perf_ui_init)(void);
if (perf_gtk_handle)
return 0;
perf_gtk_handle = dlopen(PERF_GTK_DSO, RTLD_LAZY);
if (perf_gtk_handle == NULL) {
char buf[PATH_MAX];
scnprintf(buf, sizeof(buf), "%s/%s", LIBDIR, PERF_GTK_DSO);
perf_gtk_handle = dlopen(buf, RTLD_LAZY);
}
if (perf_gtk_handle == NULL)
return -1;
perf_ui_init = dlsym(perf_gtk_handle, "perf_gtk__init");
if (perf_ui_init == NULL)
goto out_close;
if (perf_ui_init() == 0)
return 0;
out_close:
dlclose(perf_gtk_handle);
return -1;
}
static void exit_gtk_browser(bool wait_for_ok)
{
void (*perf_ui_exit)(bool);
if (perf_gtk_handle == NULL)
return;
perf_ui_exit = dlsym(perf_gtk_handle, "perf_gtk__exit");
if (perf_ui_exit == NULL)
goto out_close;
perf_ui_exit(wait_for_ok);
out_close:
dlclose(perf_gtk_handle);
perf_gtk_handle = NULL;
}
#else
static inline int setup_gtk_browser(void) { return -1; }
static inline void exit_gtk_browser(bool wait_for_ok __maybe_unused) {}
#endif
int stdio__config_color(const struct option *opt __maybe_unused,
const char *mode, int unset __maybe_unused)
{
perf_use_color_default = perf_config_colorbool("color.ui", mode, -1);
return 0;
}
void setup_browser(bool fallback_to_pager)
{
mutex_init(&ui__lock);
if (use_browser < 2 && (!isatty(1) || dump_trace))
use_browser = 0;
/* default to TUI */
if (use_browser < 0)
use_browser = 1;
switch (use_browser) {
case 2:
if (setup_gtk_browser() == 0)
break;
printf("GTK browser requested but could not find %s\n",
PERF_GTK_DSO);
sleep(1);
use_browser = 1;
/* fall through */
case 1:
if (ui__init() == 0)
break;
/* fall through */
default:
use_browser = 0;
if (fallback_to_pager)
setup_pager();
break;
}
}
void exit_browser(bool wait_for_ok)
{
switch (use_browser) {
case 2:
exit_gtk_browser(wait_for_ok);
break;
case 1:
ui__exit(wait_for_ok);
break;
default:
break;
}
mutex_destroy(&ui__lock);
}
void pthread__block_sigwinch(void)
{
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGWINCH);
pthread_sigmask(SIG_BLOCK, &set, NULL);
}
void pthread__unblock_sigwinch(void)
{
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGWINCH);
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
}